WO2001044656A1 - Magnetic levitated electric power generating apparatus using wind force - Google Patents

Magnetic levitated electric power generating apparatus using wind force Download PDF

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Publication number
WO2001044656A1
WO2001044656A1 PCT/KR2000/001478 KR0001478W WO0144656A1 WO 2001044656 A1 WO2001044656 A1 WO 2001044656A1 KR 0001478 W KR0001478 W KR 0001478W WO 0144656 A1 WO0144656 A1 WO 0144656A1
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WO
WIPO (PCT)
Prior art keywords
windmill blade
coupled
blade assemblies
center axis
axis
Prior art date
Application number
PCT/KR2000/001478
Other languages
French (fr)
Inventor
Jae-Sik Choi
Original Assignee
Choi, Jong-Chul
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Choi, Jong-Chul filed Critical Choi, Jong-Chul
Priority to AU20305/01A priority Critical patent/AU2030501A/en
Publication of WO2001044656A1 publication Critical patent/WO2001044656A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having a plurality of rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • F03D3/009—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical of the drag type, e.g. Savonius
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/12—Combinations of wind motors with apparatus storing energy storing kinetic energy, e.g. using flywheels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/216—Rotors for wind turbines with vertical axis of the anemometer type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/37—Multiple rotors
    • F05B2240/372—Multiple rotors coaxially arranged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/402—Transmission of power through friction drives
    • F05B2260/4021—Transmission of power through friction drives through belt drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/402—Transmission of power through friction drives
    • F05B2260/4022—Transmission of power through friction drives through endless chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/42—Storage of energy
    • F05B2260/421—Storage of energy in the form of rotational kinetic energy, e.g. in flywheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a magnetic levitated electric power generating apparatus using wind force, specifically, to an apparatus for generating power by making a windmill blades assembly rotate in levitated state by repulsive force of a plurality of permanent magnets
  • a wind power generating method is considered as a method which can supply the non-polluted and low cost environmental energy, and can satisfy the energy demands that will increase continually in the future as the human being lives
  • the object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which can be installed any place where the wind can be used, for example, a mountain, the seaside, the desert, the slope, and the waterside, regardless of the direction and amount of the wind, and can increase the using efficiency of the wind
  • the other object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which reduces friction resistance maximizes utility rate of the wind, and increases productibility of generating electric power by rotating respective windmill blade assemblies as levitated state and transmitting the rotating force to a fly wheel
  • Another object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which is increased its stability by coupling a triangle, square, or polygonal tie rod, assistant steel wire, or anchor rope to the windmill so as to cope with disasters like typhoon
  • the apparatus comprises an axis support member, a center axis upwardly and vertically coupled to the support member a plurality of windmill blade assemblies of cylinder shape successively inserted to the center axis in an axial direction and having permanent magnets provided on the upper surface and lower surface thereof in order to give repulsive forces respectively to the surfaces which are correspondingly positioned in axial direction, a flywheel positioned between the axial support member and the windmill blade assembly located lowest position, and inserted to the center axis, and a generator provided on the side portion of the flywheel and to which the rotation force is transmitted from the flywheel by belt or chain
  • the apparatus according to the present invention comprises a plurality of axis support members, a plurality of center axes vertically coupled to the plurality of axis support members respectively so as to be rotational, a plurality of windmill blade assemblies of cylinder shape successively inserted to the plurality of center axis in an axial direction and having permanent magnet
  • Figure 1 is a perspective view of a magnetic levitated electric power generating apparatus using wind force in a first embodiment in accordance
  • Figure 2 is an enlarged perspective view showing the coupling
  • FIG. 3 is an exploded perspective view illustrating a windmill blade assembly composing the apparatus in the first embodiment according to the present invention
  • Figure 4 is an exploded perspective view illustrating a bolster composing the apparatus in accordance with the second embodiment of the present invention
  • Figure 5 is a perspective view showing a magnetic levitated electric power generating apparatus using wind force in the second embodiment according to the present invention
  • Figure 6 is an enlarged perspective view showing a windmill blade assembly and driving connecting apparatus of the apparatus according to the second embodiment of the present invention
  • Figure 7 is a perspective view of a magnetic levitated electric power generating apparatus using wind force according to a third embodiment of the present invention.
  • Figure 8 is an exploded perspective view showing a forward rotating windmill blade assembly according to the third embodiment of the present invention
  • Figure 9 is an exploded perspective view showing a reverse rotating windmill blade assembly according to the third embodiment of the present invention.
  • Figure 10 is a perspective view showing an example of tie rod having frustum shape composing the apparatus according to the present invention MODE FOR CARRYING OUT THE PREFERRED EMBODIMENTS
  • a center rotating axis 8 is coupled so as to rotational to the vertical direction from upper middle part of a rotating axis holder 16
  • a permanent magnet 19 is disposed between the rotating axis holder 16 and periphery of the center rotating axis 8
  • a roller bearing 30 is coupled between the center rotating axis 8 and the permanent magnet 19 so that the center rotating axis 8 is able to rotate
  • a plurality of windmill blade assemblies 40 is successively inserted in an axial direction of the center rotating axis 8, in the state of the center rotating axis 8 being coupled to a hollowed unit 41 a of hub 41 in the windmill blade assembly 40
  • a key recess unit 41 c is formed for inserting a radial asperity unit 8a formed at a predetermined interval in axial direction into corresponding periphery of the center rotating
  • Non-magnetic material stainless, aluminum, copper alloy, etc
  • an intrusion 41 b is formed in upper and lower part of the cylinder except the periphery at a certain thickness depressed to inside of the cylinder at a predetermined depth
  • respective permanent magnets 19 having a ring shape and same height as that of the intrusion 41 b is coupled
  • a plurality of arms 42 is coupled and fixed in outer radial direction of side periphery part of the respective hub 41 at a certain interval, and a plurality of wing members 43 having empty hemisphere shape is successively provided inside of the arm 42
  • the arm 42 rotates toward only one direction by the wind because of distribution of the wing members 43, between an end of an arm 42 and an end of the other arm 42, a connecting member 32 more than one is installed at horizontal direction and support the arms
  • the windmill blade assemblies 40 disposed like above mentioned are positioned apart from each other at a certain distance in axial direction of the center rotating axis 8, because permanent magnets 19 are disposed so that the surfaces facing each other in axial direction have repulsive force against each other
  • a bolster 10 is inserted by the center rotating axis 8
  • bolster 10 has similar shape with that of the windmill blade assemblies 40, only the different points from the assembly 40 will be described As shown in figure 4, in a hollowed unit 10a' of a bolster hub 10a, a key recess unit is not installed, and a roller bearing 22 is installed between positions on which the hollowed unit 10a' and center rotating axis 8 correspond, so that the center rotating axis 8 can rotate smoothly
  • a plurality of holding arms 23 is coupled to the one side periphery of the bolster 10 to the radial direction with a certain interval and a fixed part 24 is installed on the end of the holding arms 23 And the fixed parts are inserted and fixed on corresponding tie rods 12, which are fixed on the ground as the number corresponding with that of the fixed parts 24
  • the upper end part of a plurality of tie rods 12 is connected to one end of an anchor rope 13, and the other end of the anchor rope 13 is fixed on the ground
  • Unexplained reference numeral 26 is an upper part of tie rod fixing means covering the upper end part of the tie rod 12
  • a flywheel is coupled and fixed between the rotating axis holder 16 and windmill blade assembly 40 located on lowest part among those assemblies 40
  • a transmission 18 being transmitted the rotation force from the flywheel through a driving force transmitting means, for example, a belt, a rope or a chain is installed, and one side portion of the transmission 18, a generator 28 for generating the electric power by being transmitted the rotation force from the transmission through the belt or the chain 25'
  • the first embodiment of the present invention is constructed as rotating the center rotating axis 8 and respective windmill blade assemblies 40 simultaneously 5
  • the second embodiment of the present invention will be described
  • the second embodiment of the present invention is characterized by 10 rotating the respective windmill blade assemblies while the axis does not rotate
  • a center fixing axis 108 is coupled and l _: fixed to upward and vertical direction from the upper middle part of a fixing axis holder 1 16
  • the upper end part of the center fixing axis 108 is coupled and fixed to a bolster 1 10
  • Shape of the bolster 1 10 is similar to that of the bolster 10 in the first 2 o embodiment of the present invention and a plurality of holding arms 1 10a are coupled to side periphery part of the bolster 1 10 to laterally radial direction at a certain interval
  • the end part of the holding arm 1 10a is fixed and coupled to the ground by a supplementary steel wire or an anchor rope (the number
  • the center fixing axis 108 which is located between the fixing axis holder 1 16 and the bolster 1 10, a plurality of windmill blade assemblies 140 in which an up and down driving connecting apparatus 127 of hollow cylinder shape is formed, is inserted as coupling the center fixing axis 108 to the hollowed part 141 a of the assembly
  • the windmill blade assembly 154 located on the highest part has lower driving connecting apparatus only
  • the upper part of the driving connecting apparatus 127 has convex shape and the lower part of the apparatus 127 has concave shape, thereby the windmill blade assemblies 140 located on upper and lower part are coupled together, and all the windmill blade assemblies 140 rotate altogether
  • a flywheel 1 14 is formed and inserted into the center fixing axis 108
  • a transmission 18 being transmitted the rotation force generated from the flywheel 1 14 through a belt or a chain 25
  • a generator 28 being transmitted the rotation force from the transmission 18 through a belt or a chain 25'
  • the apparatus in the second embodiment explained above is a electric power generating apparatus using wind force in which the flywheel 1 14 and the windmill blade assemblies 140 and 154 rotate centering around the center fixing axis 108
  • the windmill blade assemblies 140 and 154 are coupled to each other by the driving connecting apparatus 127, but respective assemblies are under the repulsive force, so the assemblies are less effected by the rotation resistance
  • the apparatus in the second embodiment of the present invention can be installed easily in indented places, for example, in mountains, seaside, and slopped ground, etc
  • 141 represents a hub
  • 142 is an arm 143 is a hollowed hemisphere wing member
  • 132 is a connecting member
  • 122 represents a roller bearing coupled between the center fixing axis 108 and the permanent magnet 19 in the windmill blade assemblies 140 and 154
  • the apparatus in the third embodiment is formed by connecting two apparatuses in the first embodiment parallelly
  • the two center rotating axis rotate simultaneously to the opposite direction with each other on receiving the wind force, and at the same time, the windmill blade assemblies adjoining parallelly each other rotate simultaneously to the same direction because of being connected by a belt or a rope
  • the windmill blade assemblies adjoining vertically each other rotate simultaneously to the opposite direction with each other
  • center rotating axes 208 and 208' are coupled to the upper middle part of the rotating axis holders 216, which is located neighboring each other, to upward and vertical direction so as to be rotational
  • a plurality of forward rotating windmill blade assemblies 240 are inserted as the shape of being coupled the center rotating axis 208 to the hollowed part 241 a of the assemblies
  • reverse rotating windmill blade assemblies 250 are inserted between two forward rotating windmill blade assemblies 240 as the shape of being coupled the center rotating axis 208 to the hollowed part 251 a of the assemblies
  • a key recess unit 241 c for inserting a radial asperity unit 208a of the center rotating axis 208 to the hollowed parts 241 a is formed, so the center rotating axis 208 is inserted into the key recess unit 241 c
  • a roller bearing 222 is formed in respective hollowed parts 251 a thereby the center rotating axis 208 is inserted into the roller bearing 222
  • apparatuses are installed as flywheel 214 forward rotating windmill 5 240, reverse rotating windmill 250, forward rotating windmill 240, reverse rotating windmill 250 order (in the other embodiment of the present invention, the installation order might be as flywheel 214, reverse rotating windmill 250, forward rotating windmill 240 )
  • the windmill blade assembly 240 in which the key recess unit 241 c is installed, located in the ⁇ o first center rotating axis 208 side and the windmill blade assembly 240, in which the bearing is installed, located in the second center rotating axis 208' side are connected to each other by a belt or a chain 25
  • windmill blade assembly 250 in which the bearing 222 is installed, located in the first center rotating axis 208 and the windmill blade 15 assembly, in which the key recess unit 241 c is installed, located in the second center rotating axis 208' are connected by a belt or a chain 25
  • windmill blade assemblies 240 and 250 distributed like above are disposed at a certain interval in an axial direction, because the surfaces facing each other are distributed so as to have the repulsive force 20 mutually
  • the flywheel 214 is installed And on one side of the flywheel 214, a transmission 18 being transmitted the rotation force generated from the flywheel 214 through a belt or a chain 25 is installed In addition, on one side of the transmission 18, a generator 28 being transmitted the rotating force from the transmission 18 through a belt of a chain 25'
  • the electric force productivity can be maximized by the wind force and the magnetic levitated repulsive rotating force
  • a plurality of arms 242 and 252 are coupled at a certain interval to external radial direction And inside the arms 242 and 252, a plurality of empty hemisphere wing members 243 and 253 are successively coupled The hemisphere wing members of the forward and reverse rotating windmill blade assemblies 240 and 250 are disposed toward opposite direction so as to rotate to opposite direction mutually
  • first and the second center rotating axis 208 and 208' are to be rotate to opposite direction
  • the magnetic levitated electric power generating apparatus using wind force can be installed as various shapes in accordance with the geographic characteristics (mountains seaside, desert, slopped place, and waterside, etc ) That is, size of the wing can be controlled, and the shapes of the tie rod can be various shapes of triangle square pentagon and trapezoid
  • the length of the arm located on lowest part is the longest, and the length of the arm located on highest part is the shortest, as shown in the figure 10 Between them, the lengths of the arms are gradually shortened from lower part to upper part That is, in the electric force generating apparatus using wind force 301 shown in the figure 10, the size of arm located in place where wind blows strongly and the altitude is high and the sizes of the arms are gradually enlarged toward the place where wind blows weakly and the altitude is low Therefore, the stability of the apparatus is improved by assembling and installing the tie rods 312 of the bolster to be
  • 340 represents a windmill blade assembly 341 represents a hub, 342 is an arm, 343 is a wing member 308 is a center rotating axis, 314 is a flywheel, 316 is a rotating axis holder, 320 is a windmill wing, 323 is a supporting arm, and 324 represents a fixing flap, respectively
  • Embodiments of the present invention constructed as above, when the rotation force of a plurality of windmill blade assemblies being rotated by the wind force is transmitted to the flywheel intensively, then the rotation force is transmitted to the transmission through the belt or the chain, and the transmitted rotation force is transferred to the generator, thereby electric power generating using wind force is performed
  • the magnetic levitated electric power generating apparatus using wind force according to the present invention, the respective windmill blade assemblies in which the permanent magnets are coupled and the flywheel rotate on the holder in magnetic levitated state, therefore, the frictional resistance can be reduced and the rotation force of the windmill can be increased
  • utility rate of the wind force can be increased by transmitting the rotation force of the windmill blade assemblies intensified in the flywheel to the transmission through a belt or a chain
  • rods of triangle, square or polygon shape or anchor rope is installed around the windmill, thereby the stability of the apparatus can be improved

Abstract

A magnetic levitated electric power generating apparatus using wind force and magnetic levitating force including windmill blades having permanent magnet which are rotated in a levitated state by repulsive force of the magnets. The apparatus includes an axis holder, a center axis upwardly and vertically provided on the support member, a plurality of windmill blade assemblies successively inserted to the center axis in an axial direction and having permanent magnets provided on the upper surface and lower surface thereof in order to give repulsive forces respectively to the surfaces which are correspondingly positioned in axial direction, a fly wheel positioned between the axis holder and the windmill blade assembly located lowest portion, and inserted to the center axis, a generator provided on the side portion of the flywheel and to which the rotation force is transmitted from the flywheel by belt or chain.

Description

MAGNETIC LEVITATED ELECTRIC POWER GENERATING APPARATUS USING WIND FORCE
TECHNICAL FIELD
5 The present invention relates to a magnetic levitated electric power generating apparatus using wind force, specifically, to an apparatus for generating power by making a windmill blades assembly rotate in levitated state by repulsive force of a plurality of permanent magnets
l u BACKGROUND ART
A wind power generating method is considered as a method which can supply the non-polluted and low cost environmental energy, and can satisfy the energy demands that will increase continually in the future as the human being lives
15 Moreover many countries are trying to develop a new method for electric power generating apparatus using wind power, which has advantages of low cost high efficiency, and high stability as a way of obtaining energy source of the next generation
However the method generally used for electric power generation
20 using wind force is propeller single-axis generating apparatus, which can generate electric power by using the wind force blowing on a certain point at a certain altitude Therefore, the efficiency of the apparatus is lowered by the
low utility rate of the wind force, so that there are many difficulties to use in
common DETAILED DESCRIPTION OF THE INVENTION
Therefore, the object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which can be installed any place where the wind can be used, for example, a mountain, the seaside, the desert, the slope, and the waterside, regardless of the direction and amount of the wind, and can increase the using efficiency of the wind
The other object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which reduces friction resistance maximizes utility rate of the wind, and increases productibility of generating electric power by rotating respective windmill blade assemblies as levitated state and transmitting the rotating force to a fly wheel
Another object of the present invention is to provide a magnetic levitated electric power generating apparatus using wind force, which is increased its stability by coupling a triangle, square, or polygonal tie rod, assistant steel wire, or anchor rope to the windmill so as to cope with disasters like typhoon
To achieve these objects of the present invention, the apparatus according to the present invention comprises an axis support member, a center axis upwardly and vertically coupled to the support member a plurality of windmill blade assemblies of cylinder shape successively inserted to the center axis in an axial direction and having permanent magnets provided on the upper surface and lower surface thereof in order to give repulsive forces respectively to the surfaces which are correspondingly positioned in axial direction, a flywheel positioned between the axial support member and the windmill blade assembly located lowest position, and inserted to the center axis, and a generator provided on the side portion of the flywheel and to which the rotation force is transmitted from the flywheel by belt or chain In addition, the apparatus according to the present invention comprises a plurality of axis support members, a plurality of center axes vertically coupled to the plurality of axis support members respectively so as to be rotational, a plurality of windmill blade assemblies of cylinder shape successively inserted to the plurality of center axis in an axial direction and having permanent magnets provided on the upper surface and lower surface thereof in order to give repulsive forces respectively to the surfaces which are correspondingly positioned in axial direction, a plurality of flywheels positioned between the plurality of axial support members and the windmill blade assemblies located lowest position, and inserted to the plurality of center axes respectively, and generators provided on the side portion of the respective flywheels and to which the rotation force is transmitted from the corresponding flywheel by belt or chain
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a magnetic levitated electric power generating apparatus using wind force in a first embodiment in accordance
with the present invention,
Figure 2 is an enlarged perspective view showing the coupling
relationship between a rotating axis support member and a center axis of the apparatus in the first embodiment in accordance with the present invention, Figure 3 is an exploded perspective view illustrating a windmill blade assembly composing the apparatus in the first embodiment according to the present invention, Figure 4 is an exploded perspective view illustrating a bolster composing the apparatus in accordance with the second embodiment of the present invention,
Figure 5 is a perspective view showing a magnetic levitated electric power generating apparatus using wind force in the second embodiment according to the present invention,
Figure 6 is an enlarged perspective view showing a windmill blade assembly and driving connecting apparatus of the apparatus according to the second embodiment of the present invention,
Figure 7 is a perspective view of a magnetic levitated electric power generating apparatus using wind force according to a third embodiment of the present invention,
Figure 8 is an exploded perspective view showing a forward rotating windmill blade assembly according to the third embodiment of the present invention, Figure 9 is an exploded perspective view showing a reverse rotating windmill blade assembly according to the third embodiment of the present invention, and
Figure 10 is a perspective view showing an example of tie rod having frustum shape composing the apparatus according to the present invention MODE FOR CARRYING OUT THE PREFERRED EMBODIMENTS
The present invention will now be described with reference to embodiments shown in accompanying drawings As shown in figure 1 , in a magnetic levitated electric generating apparatus using wind force simultaneously driving the center rotating axis according to first embodiment of the present invention, a center rotating axis 8 is coupled so as to rotational to the vertical direction from upper middle part of a rotating axis holder 16 At that time, as shown in figure 2, a permanent magnet 19 is disposed between the rotating axis holder 16 and periphery of the center rotating axis 8 and a roller bearing 30 is coupled between the center rotating axis 8 and the permanent magnet 19 so that the center rotating axis 8 is able to rotate In addition, as shown in figure 1 and figure 3, a plurality of windmill blade assemblies 40 is successively inserted in an axial direction of the center rotating axis 8, in the state of the center rotating axis 8 being coupled to a hollowed unit 41 a of hub 41 in the windmill blade assembly 40
In the respective hollowed unit 41 a of the hub 41 , a key recess unit 41 c is formed for inserting a radial asperity unit 8a formed at a predetermined interval in axial direction into corresponding periphery of the center rotating
Herein when the center rotating axis 8 is coupled to the key recess
unit 41 c of the hub 41 , vertical fluidity should be attained (magnetic clearance
more than 3mm~10mm) Non-magnetic material (stainless, aluminum, copper alloy, etc ) is used to make the respective windmill blade assemblies 40 is, the shape of the windmill blade assemblies 40, as shown in figure 3, an intrusion 41 b is formed in upper and lower part of the cylinder except the periphery at a certain thickness depressed to inside of the cylinder at a predetermined depth In this intrusion 41 b respective permanent magnets 19 having a ring shape and same height as that of the intrusion 41 b is coupled
And, a plurality of arms 42 is coupled and fixed in outer radial direction of side periphery part of the respective hub 41 at a certain interval, and a plurality of wing members 43 having empty hemisphere shape is successively provided inside of the arm 42 The arm 42 rotates toward only one direction by the wind because of distribution of the wing members 43, between an end of an arm 42 and an end of the other arm 42, a connecting member 32 more than one is installed at horizontal direction and support the arms The windmill blade assemblies 40 disposed like above mentioned are positioned apart from each other at a certain distance in axial direction of the center rotating axis 8, because permanent magnets 19 are disposed so that the surfaces facing each other in axial direction have repulsive force against each other On the other hand, as shown in figure 1 , in some places among the windmill blade assemblies 40 disposed as stacking (that is, not every interval among the assemblies) a bolster 10 is inserted by the center rotating axis 8 Herein the interval between the windmill blade assemblies 40 and the interval between the windmill blade assembly 40 and the bolster 10 are identical
Because the bolster 10 has similar shape with that of the windmill blade assemblies 40, only the different points from the assembly 40 will be described As shown in figure 4, in a hollowed unit 10a' of a bolster hub 10a, a key recess unit is not installed, and a roller bearing 22 is installed between positions on which the hollowed unit 10a' and center rotating axis 8 correspond, so that the center rotating axis 8 can rotate smoothly
In addition, a plurality of holding arms 23 is coupled to the one side periphery of the bolster 10 to the radial direction with a certain interval and a fixed part 24 is installed on the end of the holding arms 23 And the fixed parts are inserted and fixed on corresponding tie rods 12, which are fixed on the ground as the number corresponding with that of the fixed parts 24
The upper end part of a plurality of tie rods 12 is connected to one end of an anchor rope 13, and the other end of the anchor rope 13 is fixed on the ground
Unexplained reference numeral 26 is an upper part of tie rod fixing means covering the upper end part of the tie rod 12
On the other hand, a flywheel is coupled and fixed between the rotating axis holder 16 and windmill blade assembly 40 located on lowest part among those assemblies 40 In one side of the flywheel, a transmission 18 being transmitted the rotation force from the flywheel through a driving force transmitting means, for example, a belt, a rope or a chain is installed, and one side portion of the transmission 18, a generator 28 for generating the electric power by being transmitted the rotation force from the transmission through the belt or the chain 25'
As described above, the first embodiment of the present invention is constructed as rotating the center rotating axis 8 and respective windmill blade assemblies 40 simultaneously 5 Hereinafter, the second embodiment of the present invention will be described
Explanations for same element with the first embodiment of the present invention are omitted and same reference numerals are used
The second embodiment of the present invention is characterized by 10 rotating the respective windmill blade assemblies while the axis does not rotate
As shown in the figure 5, in the magnetic levitated electric power generating apparatus using wind force 101 of the second embodiment according to the present invention, a center fixing axis 108 is coupled and l _: fixed to upward and vertical direction from the upper middle part of a fixing axis holder 1 16
The upper end part of the center fixing axis 108 is coupled and fixed to a bolster 1 10
Shape of the bolster 1 10 is similar to that of the bolster 10 in the first 2 o embodiment of the present invention and a plurality of holding arms 1 10a are coupled to side periphery part of the bolster 1 10 to laterally radial direction at a certain interval The end part of the holding arm 1 10a is fixed and coupled to the ground by a supplementary steel wire or an anchor rope (the number
of the holding arms is four in this second embodiment) In the center fixing axis 108 which is located between the fixing axis holder 1 16 and the bolster 1 10, a plurality of windmill blade assemblies 140 in which an up and down driving connecting apparatus 127 of hollow cylinder shape is formed, is inserted as coupling the center fixing axis 108 to the hollowed part 141 a of the assembly However, the windmill blade assembly 154 located on the highest part has lower driving connecting apparatus only As shown in figure 6, the upper part of the driving connecting apparatus 127 has convex shape and the lower part of the apparatus 127 has concave shape, thereby the windmill blade assemblies 140 located on upper and lower part are coupled together, and all the windmill blade assemblies 140 rotate altogether
The material and shape of the respective windmill blade assembly 140 are same with those of the windmill blade assembly in the first embodiment of the present invention, so the explanations for that are omitted On the other hand, between the fixing axis holder 1 16 and the windmill blade assembly located on the lowest part among those assemblies, a flywheel 1 14 is formed and inserted into the center fixing axis 108 On one side part of the flywheel 1 14, a transmission 18 being transmitted the rotation force generated from the flywheel 1 14 through a belt or a chain 25 is installed And on one side of the transmission 18, a generator 28 being transmitted the rotation force from the transmission 18 through a belt or a chain 25'
The apparatus in the second embodiment explained above is a electric power generating apparatus using wind force in which the flywheel 1 14 and the windmill blade assemblies 140 and 154 rotate centering around the center fixing axis 108 The windmill blade assemblies 140 and 154 are coupled to each other by the driving connecting apparatus 127, but respective assemblies are under the repulsive force, so the assemblies are less effected by the rotation resistance According to that, the apparatus in the second embodiment of the present invention can be installed easily in indented places, for example, in mountains, seaside, and slopped ground, etc
Among the unexplained reference numerals, 141 represents a hub, 142 is an arm 143 is a hollowed hemisphere wing member, 132 is a connecting member, and 122 represents a roller bearing coupled between the center fixing axis 108 and the permanent magnet 19 in the windmill blade assemblies 140 and 154
Hereinafter, the third embodiment of the magnetic levitated electric power generating apparatus using wind force according to the present invention will be described
For some elements same with those of the first embodiment, same reference numerals are used and explanations are omitted
The apparatus in the third embodiment is formed by connecting two apparatuses in the first embodiment parallelly The two center rotating axis rotate simultaneously to the opposite direction with each other on receiving the wind force, and at the same time, the windmill blade assemblies adjoining parallelly each other rotate simultaneously to the same direction because of being connected by a belt or a rope In addition, the windmill blade assemblies adjoining vertically each other rotate simultaneously to the opposite direction with each other
As shown in the figure 7, in a center rotating axis simultaneously driving magnetic levitated electric power generating apparatus 201 , center rotating axes 208 and 208' are coupled to the upper middle part of the rotating axis holders 216, which is located neighboring each other, to upward and vertical direction so as to be rotational
Hereinafter, the construction will be described making an apparatus between the two as an example
As shown in the figure 8 on the center rotating axis 208, a plurality of forward rotating windmill blade assemblies 240 are inserted as the shape of being coupled the center rotating axis 208 to the hollowed part 241 a of the assemblies
And, as shown in the figure 9, reverse rotating windmill blade assemblies 250 are inserted between two forward rotating windmill blade assemblies 240 as the shape of being coupled the center rotating axis 208 to the hollowed part 251 a of the assemblies
Herein, in the plurality of forward rotating windmill blade assemblies 240, a key recess unit 241 c for inserting a radial asperity unit 208a of the center rotating axis 208 to the hollowed parts 241 a is formed, so the center rotating axis 208 is inserted into the key recess unit 241 c In the plurality of reverse rotating windmill blade assemblies 250, as shown in the figure 9, a roller bearing 222 is formed in respective hollowed parts 251 a thereby the center rotating axis 208 is inserted into the roller bearing 222
When the center rotating axis 208 is coupled to the key recess unit 241 c of the windmill blade assembly 240, the vertical fluidity (magnetic levitation clearance larger than 3mm~10mm) should be guaranteed
As described above, from the rotating axis holder 216 to upward direction, apparatuses are installed as flywheel 214 forward rotating windmill 5 240, reverse rotating windmill 250, forward rotating windmill 240, reverse rotating windmill 250 order (in the other embodiment of the present invention, the installation order might be as flywheel 214, reverse rotating windmill 250, forward rotating windmill 240 ) In detail, the windmill blade assembly 240, in which the key recess unit 241 c is installed, located in the ι o first center rotating axis 208 side and the windmill blade assembly 240, in which the bearing is installed, located in the second center rotating axis 208' side are connected to each other by a belt or a chain 25
Likewise, the windmill blade assembly 250 in which the bearing 222 is installed, located in the first center rotating axis 208 and the windmill blade 15 assembly, in which the key recess unit 241 c is installed, located in the second center rotating axis 208' are connected by a belt or a chain 25
Herein, the windmill blade assemblies 240 and 250 distributed like above are disposed at a certain interval in an axial direction, because the surfaces facing each other are distributed so as to have the repulsive force 20 mutually
Therefore, the fnctional resistance between the windmill blade assembly located on the upper part and the windmill blade assembly located on the lower part is reduced, thereby the magnetic levitation force can be increased by the repulsive rotating force of the windmill Between the rotating axis holder 216 and the windmill blade assemblies 240 and 250 located lowest part among those assemblies, the flywheel 214 is installed And on one side of the flywheel 214, a transmission 18 being transmitted the rotation force generated from the flywheel 214 through a belt or a chain 25 is installed In addition, on one side of the transmission 18, a generator 28 being transmitted the rotating force from the transmission 18 through a belt of a chain 25'
That is, the electric force productivity can be maximized by the wind force and the magnetic levitated repulsive rotating force
The material used and the shape of the respective windmill blade assemblies 240 and 250 are same with those of the windmill blade assemblies in the first embodiment of the present invention, so the explanations are omitted
On the other hand, on the lateral periphery of the hub 241 and 251 in the forward and reverse rotating windmill blade assemblies 240 and 250, a plurality of arms 242 and 252 are coupled at a certain interval to external radial direction And inside the arms 242 and 252, a plurality of empty hemisphere wing members 243 and 253 are successively coupled The hemisphere wing members of the forward and reverse rotating windmill blade assemblies 240 and 250 are disposed toward opposite direction so as to rotate to opposite direction mutually
Therefore, the first and the second center rotating axis 208 and 208' are to be rotate to opposite direction
In the third embodiment of the present invention, an end portion of an
arm 242 or 252 and an end portion of the other arm 242 or 252 are supported by the connecting member 232 more than one installed in horizontal direction And the shape and installation of the bolster 10, tie rod 12 and the anchor rope 13 are same with that of the first embodiment of the present invention
The magnetic levitated electric power generating apparatus using wind force according to the present invention can be installed as various shapes in accordance with the geographic characteristics (mountains seaside, desert, slopped place, and waterside, etc ) That is, size of the wing can be controlled, and the shapes of the tie rod can be various shapes of triangle square pentagon and trapezoid In the magnetic levitated electric power generating apparatus using wind force, in which the tie rod has trapezoidal shape, the length of the arm located on lowest part is the longest, and the length of the arm located on highest part is the shortest, as shown in the figure 10 Between them, the lengths of the arms are gradually shortened from lower part to upper part That is, in the electric force generating apparatus using wind force 301 shown in the figure 10, the size of arm located in place where wind blows strongly and the altitude is high and the sizes of the arms are gradually enlarged toward the place where wind blows weakly and the altitude is low Therefore, the stability of the apparatus is improved by assembling and installing the tie rods 312 of the bolster to be slopped
The construction and operation of the electric power generating apparatus using wind force 301 shown in the figure 10 are similar to those of the apparatus in the first embodiment of the present invention, so the
explanations for those are omitted Among unexplained reference numerals, 340 represents a windmill blade assembly 341 represents a hub, 342 is an arm, 343 is a wing member 308 is a center rotating axis, 314 is a flywheel, 316 is a rotating axis holder, 320 is a windmill wing, 323 is a supporting arm, and 324 represents a fixing flap, respectively
Embodiments of the present invention constructed as above, when the rotation force of a plurality of windmill blade assemblies being rotated by the wind force is transmitted to the flywheel intensively, then the rotation force is transmitted to the transmission through the belt or the chain, and the transmitted rotation force is transferred to the generator, thereby electric power generating using wind force is performed
INDUSTRIAL APPLICABILITY
As so far described, the magnetic levitated electric power generating apparatus using wind force according to the present invention, the respective windmill blade assemblies in which the permanent magnets are coupled and the flywheel rotate on the holder in magnetic levitated state, therefore, the frictional resistance can be reduced and the rotation force of the windmill can be increased In addition, utility rate of the wind force can be increased by transmitting the rotation force of the windmill blade assemblies intensified in the flywheel to the transmission through a belt or a chain
Moreover, in order to deal with the natural disaster like typhoon, tie
rods of triangle, square or polygon shape or anchor rope is installed around the windmill, thereby the stability of the apparatus can be improved
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes those skilled in the art will appreciate that various modifications, additions and substitutions are possible Therefore, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims

Claims

1 A magnetic levitated electric power generating apparatus using wind force comprising an axis holder, a center axis coupled to upward direction of the axis holder vertically, a plurality of windmill blade assemblies of hollow cylinder shape being stacked in axial direction and inserted into the center axis, wherein permanent magnets are coupled to the upper and lower surface so that the surfaces facing each other in axial direction have repulsive force mutually, a flywheel being disposed between the axis holder and the windmill blade assembly located on the lowest part, and being coupled to the center axis, and a generator installed on one side of the flywheel for receiving the rotation force from the flywheel through a belt or a chain
2 The apparatus according to claim 1 further including a bolster or more than one disposed between the plurality of windmill blade assemblies, and coupled to the center axis
3 The apparatus according to claim 1 further comprising a transmission disposed between the flywheel and the generator for transmitting the rotation force from the flywheel to the generator
4 The apparatus according to claim 1 , wherein the respective windmill blade assembly includes a hub, a plurality of arms fixed and coupled to the side periphery part of the hub to laterally radial direction at a predetermined interval, and a plurality of empty hemisphere wing members coupled inside the arm
5 The apparatus according to claim 1 , wherein a permanent magnet of ring shape is coupled between the axis holder and the periphery part of the center axis, and a roller bearing is coupled between the center axis and the permanent magnet
6 The apparatus according to claim 1 , wherein a plurality of radial direction rotation units are formed in the periphery part of the center axis at a predetermined interval in axial direction, and a key recess unit is formed in the hollowed part of the respective windmill blade assembly for inserting the corresponding radial direction rotation unit into the hollowed part
7 The apparatus according to claim 6, wherein the clearance between the key recess unit and the center axis is within 3mm~10mm
8 The apparatus according to claim 4, wherein concave portions depressed to inside by a certain depth are formed on the upper and lower surfaces of the hub having cylinder shape, and the permanent magnets having ring shape are coupled to the concave portions, respectively
9 The apparatus according to claim 1 , wherein the distances between the windmill blade assemblies are identical
10 The apparatus according to claim 2, wherein the roller bearing is inserted between the hollowed part of the hub in the bolster and corresponding center axis
1 1 The apparatus according to claim 2, wherein a plurality of supporting arms are fixed and coupled to the side periphery part of the hub in the bolster to laterally radial direction at a certain interval, and the end portions of the supporting arms are inserted into corresponding tie rods which are fixed on the ground
12 The apparatus according to claim 4, wherein a connecting member or more installed to horizontal direction supports between end portions of neighboring arms
13 The apparatus according to claim 4, wherein lengths of the plurality of arms are all identical with each other
14 The apparatus according to claim 4, wherein the length of arm located on lowest part is the longest, the length of arm located on highest part is shortest, and lengths of arms are gradually shortened from lower part to higher part
15 The apparatus according to claim 1 , wherein the center axis, in which a plurality of windmill blade assemblies are inserted, is coupled to the axis holder
16 The apparatus according to claim 2, wherein a plurality of supporting arms are coupled on the periphery of the bolster, and the end portions of the respective supporting arms are coupled on the ground by a supporting steel wire or an anchor rope
17 The apparatus according to claim 15, wherein a lower part driving connecting apparatus is formed on the plurality of the windmill blade assemblies
18 The apparatus according to claim 17, wherein a higher part driving connecting apparatus is further formed on the plurality of the windmill blade assemblies
19 The apparatus according to claim 17, wherein the lower part driving connecting apparatus has concave shape, so the windmill blade assembly located on lower part are coupled to that in respective position 20 The apparatus according to claim 18, wherein the higher part driving connecting apparatus has convex shape, so the windmill blade assembly located on higher part are coupled to that in respective position
21 The apparatus according to claim 1 , wherein material used for windmill blade assemblies is non-magnetic material
22 A magnetic levitated electric power generating apparatus using wind force comprising a plurality of axis holders, a plurality of center axis coupled to plurality of axis holders in vertical direction so as to be rotational, a plurality of windmill blade assemblies of hollow cylinder shape inserted into the plurality of center axes in axial direction as stacked, and being coupled permanent magnet on upper and lower surfaces so that the surfaces facing each other have repulsive force, a plurality of flywheels located between the plurality of axis holders and the windmill blade assembly disposed on the lowest part, and inserted into the plurality of center axes respectively, and generators located on one side parts of the respective flywheels and receiving the rotation force from the corresponding flywheels through a belt or a chain 23 The apparatus according to claim 22 further comprising a bolster or more, located between the windmill blade assemblies, and inserted into the center axes respectively
24 The apparatus according to claim 22 further comprising transmissions located between the flywheels and the generators for transferring the rotation force received from the flywheels to the generators
25 The apparatus according to claim 22, wherein the respective windmill blade assembly comprises a hub, a plurality of arms fixed and coupled on the side periphery part of the hub to laterally radial direction at a certain interval, and a plurality of empty hemisphere wing members coupled inside of the arm
26 The apparatus according to claim 22, wherein a permanent magnet having ring shape is coupled between the plurality of the axis holders and periphery of the corresponding center axis, and a roller bearing is coupled between the center axis and the permanent magnet
27 The apparatus according to claim 22, wherein the windmill blade assemblies located horizontally are connected by a belt or a rope respectively and rotated toward the same direction, the windmill blade assemblies located vertically are rotated to opposite direction with each other, and the center axes are rotated simultaneously to opposite direction with each other
28 The apparatus according to claim 22, wherein the windmill blade assemblies inserted into the respective center axis in axial direction are composed of forward rotating windmill blade assemblies and the reverse rotating assemblies inserted one after another
29 The apparatus according to claim 28, wherein a plurality of radial direction rotation units are formed on the periphery part of the center axis in axial direction at a certain interval, and a key recess unit for inserting the radial direction rotation unit into the hollowed unit is formed on the plurality of forward rotating windmill blade assemblies
30 The apparatus according to claim 28, wherein the reverse rotating windmill blade assemblies includes the roller bearing formed on the hollowed unit, in which the center axis is disposed as inserted form
31 The apparatus according to claim 28, wherein the clearance between the key recess unit in the forward rotating windmill blade assemblies and the center axis is within 3mm ~10mm
32 The apparatus according to claim 28, wherein the wing members formed in forward and reverse rotating windmill blade assemblies are disposed toward the opposite direction with each other
33 The apparatus according to claim 22, wherein the intervals between the windmill blade assemblies are identical with each other
34 The apparatus according to claim 23, wherein the roller bearing is disposed between the hollowed unit in the bolster body and the corresponding center axis
35 The apparatus according to claim 23, wherein a plurality of supporting arms are fixed and coupled to the side periphery part of the bolster body to external radial direction at a certain interval, and the end portions of the supporting arms are inserted and fixed into a plurality of tie rods which are fixed into the ground, respectively
36 The apparatus according to claim 25, wherein between the end portion of an arm and the end portion of the neighboring arm is supported by the connecting member installed more than one in horizontal direction
37 The apparatus according to claim 22, wherein the windmill blade assemblies are made of non-magnetic material
PCT/KR2000/001478 1999-12-17 2000-12-16 Magnetic levitated electric power generating apparatus using wind force WO2001044656A1 (en)

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