CN1843828A - Compensation tail fin for streamlined sedan car - Google Patents

Compensation tail fin for streamlined sedan car Download PDF

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Publication number
CN1843828A
CN1843828A CNA2006100779641A CN200610077964A CN1843828A CN 1843828 A CN1843828 A CN 1843828A CN A2006100779641 A CNA2006100779641 A CN A2006100779641A CN 200610077964 A CN200610077964 A CN 200610077964A CN 1843828 A CN1843828 A CN 1843828A
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CN
China
Prior art keywords
car
aerofoil
compensation
streamlined
tail fin
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Legal status (The legal status 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 status listed.)
Pending
Application number
CNA2006100779641A
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Chinese (zh)
Inventor
刘小虎
高丽霞
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CNA2006100779641A priority Critical patent/CN1843828A/en
Publication of CN1843828A publication Critical patent/CN1843828A/en
Pending legal-status Critical Current

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    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/82—Elements for improving aerodynamics

Abstract

The invention discloses a vehicle mechanical fitting, especially providing an adjustable tail wing for compensating the clipper-built of car. It comprises a swing surface, a dividing cut, a support, and a driving device. It can restrain the air longitudinal life force and transverse induction resistance when the car is in high-speed, to reduce the air resistance, improve the stability and reduce oil consumption.

Description

Compensation tail fin for streamlined sedan car
Affiliated technical field
The invention belongs to the mechanical part of automobile, be particularly useful for the fender guard that fast car reduces pressure drag and increases car body stability.
Background technology
During running car, the air boundary-layer movement therewith of bodywork surface, when vehicle body and the increase of air relative velocity, boundary-layer is destroyed and leave bodywork surface, produce pressure resistance, because car shaped is not " a desirable stream line pattern ", as existing three box car, air-flow directly leaves vehicle body from the afterbody of roof line, the unexpected decline meeting of Windshield forms the triangle burble zone behind car, produce pressure drag, so-called lift is if lift can not fully be offset, will overcome car weight and car is upwards held up, reduce grip of the wheel, be easy to take place slippage " car wafts " phenomenon, make the stability of automobile variation of running at high speed and increase oil consumption.The existing technology that solves unfavorable lift has two kinds: the one, and cover the rear end at car runk and add as duck tail empennage, will sweep away the air-flow retardance that comes from roof and form downward negative pressure; The 2nd, at the car roof rear portion sheet spoiler that outwards stretches is installed, make a part of air-flow on the roof be directed flowing through the vehicle rear window surface.
The empennage of two kinds of prior aries is all fixed, when scientific research is travelled with the speed more than the 90km/h when car, empennage is installed just really to work, and under general speed per hour state during operation empennage be difficult to the performance practical function, and seeming unnecessary, prior art does not all solve empennage and changes and the effect of increasing effect with the speed of a motor vehicle.But aileron, empennage, wing flap that mechanical control is for example just arranged on the aircraft wing can be brought into play the effect of empennage so flexibly in good time, reduce meaningless loss.
The pressure resistance of car when high-speed motion comprises vertical pressure reduction lift in fact, also has horizontal induced drag, main projecting part from automobile, as back mirror, grip handle, guiding gutter, axle drive shaft, suspension pilot bar etc., existing empennage design only reduces the function of lift, but can not resist induced drag.
Summary of the invention
The purpose of this invention is to provide a kind of can be according to speed of a motor vehicle needs, the angular distance between artificial adjustment empennage and the car body reduces lift influence, and can suppress induced drag, reduces the technical scheme of the compensation current line style empennage of air damping coefficient.
Technical scheme of the present invention is: a kind of compensation tail fin for streamlined sedan car, comprise: aerofoil, car body, diffluence pass, support, drive spindle, its structure is: the support that is fixed on the car body is propped up aerofoil, and aerofoil can rotate in the rotating shaft on support, and aerofoil front end and body wall constitute diffluence pass, aerofoil terminal central authorities are connected with car body with drive spindle, by the angular distance between driving device controlling and driving bar adjusting empennage and the car body.
Empennage aerofoil front end has certain thickness, and its medial surface has " eight " shape flame diversion trough, and the gas that roof flows through is separated into two strands up and down, and the air-flow velocity that flows into diffluence pass increases, and produces negative pressure.Air-flow is ladled out away from the fast speed primary air under the effect of flame diversion trough, rotation forms spiral to both sides, compensate the projecting part by automobile simultaneously, the horizontal spiral as back mirror, grip handle, guiding gutter, axle drive shaft, suspension pilot bar etc. form resists induced drag.
Tail shape can coincide with car rear window Windshield, and selects for use the light glass fiber material of high strength quality to make, and is transparent, is complementary with car rear window Windshield.Empennage reduced damping attached on the car rear seat windscreen when general speed travelled.
The Mechanical Driven bar of empennage can be installed in the aerofoil both sides.By the angular distance between driving device controlling and driving bar adjusting empennage and the car body, the angle and the curved surface of control empennage compensate the car body stream line pattern when the speed of a motor vehicle is very fast.
The invention has the beneficial effects as follows: the empennage scalable, aerofoil can rotate around the rotating shaft on the support that is fixed on the body wall, and compensation car rear portion forms the stream line pattern of comparison rule, reduces the air damping coefficient.The air-flow that flows into diffluence pass is accelerated the generation negative pressure, and flame diversion trough can make air-flow produce the spiral of rotation direction both sides, the horizontal spiral that compensation is formed by the projecting part of automobile, resistance induced drag.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention, and Fig. 2 is the embodiments of the invention scheme drawing.
Among the figure, 1. aerofoil, 2. car body, 3. support, 4. diffluence pass, 5. drive spindle, 6. flame diversion trough.
The specific embodiment
The specific embodiment of the present invention is as shown in the figure:
Embodiment 1, a kind of compensation tail fin for streamlined sedan car, its structure is: fixed support 3 is arranged on car body 2, fixed support 3 is propped up aerofoil 1, aerofoil 1 can rotate around the rotating shaft on the support 3, aerofoil 1 front end and car body 2 constitute diffluence pass 4, and aerofoil 1 terminal central authorities are connected with car body 2 with drive spindle 5, by the angular distance between driving device controlling and driving bar 5 regulation and control aerofoils 1 and the car body 2.
Embodiment 2, a kind of compensation tail fin for streamlined sedan car, and its feature is with embodiment 1, as Fig. 2, empennage aerofoil 1 front end has certain thickness, and its medial surface has " eight " shape flame diversion trough 6, the gas that roof flows through is separated into two strands up and down, and the air-flow velocity that flows into diffluence pass 4 increases, and produces negative pressure.Air-flow is ladled out away a part from the fast speed primary air under the effect of flame diversion trough 6, rotation forms spiral to both sides, compensate the projecting part by automobile simultaneously, the horizontal spiral as back mirror, grip handle, guiding gutter, axle drive shaft, suspension pilot bar etc. form resists induced drag.
Embodiment 3, a kind of compensation tail fin for streamlined sedan car, and its feature is with embodiment 1, and the shape of aerofoil 1 can be coincide with car rear window Windshield, and selects for use the light glass fiber material of high strength quality to make, and is transparent, is complementary with car rear window Windshield.Aerofoil 1 reduced damping attached on car body 2 rear seat windscreens when general speed travelled.The Mechanical Driven bar 5 of empennage can be installed in aerofoil 2 both sides, by the angular distance between driving device controlling and driving bar 5 regulation and control aerofoils 1 and the car body 2, controls the angle and the curved surface of empennage when the speed of a motor vehicle is very fast, and compensation car body 2 is a stream line pattern.

Claims (4)

1. compensation tail fin for streamlined sedan car, comprise: aerofoil, car body, diffluence pass, support, drive spindle is characterized in that: the support that is fixed on the car body is propped up aerofoil, and aerofoil can rotate in the rotating shaft on support, aerofoil front end and body wall constitute diffluence pass, the aerofoil terminal is connected with car body by drive spindle, and controlling and driving machinery is by angle between drive spindle scalable empennage and the car body and distance.
2. a kind of compensation tail fin for streamlined sedan car according to claim 1 is characterized in that: the aerofoil front end has certain thickness, and there is " eight " shape flame diversion trough its side, constitutes diffluence pass with body wall.
3. a kind of compensation tail fin for streamlined sedan car according to claim 1 is characterized in that: drive spindle can be installed in the aerofoil both sides.
4. a kind of compensation tail fin for streamlined sedan car according to claim 1 is characterized in that: tail shape can match with car rear window Windshield, selects for use the light Windshield material of high strength quality to make, and transparent, is complementary with car rear window Windshield.
CNA2006100779641A 2006-04-28 2006-04-28 Compensation tail fin for streamlined sedan car Pending CN1843828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006100779641A CN1843828A (en) 2006-04-28 2006-04-28 Compensation tail fin for streamlined sedan car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100779641A CN1843828A (en) 2006-04-28 2006-04-28 Compensation tail fin for streamlined sedan car

Publications (1)

Publication Number Publication Date
CN1843828A true CN1843828A (en) 2006-10-11

Family

ID=37062802

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006100779641A Pending CN1843828A (en) 2006-04-28 2006-04-28 Compensation tail fin for streamlined sedan car

Country Status (1)

Country Link
CN (1) CN1843828A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826133A (en) * 2012-09-13 2012-12-19 湖南工业大学 Additional device inhibiting dust polluting back of automobile body, mounting method thereof and automobile
CN103287511A (en) * 2013-06-08 2013-09-11 奇瑞汽车股份有限公司 Automobile tail vortex breakdown device and installation method thereof
CN108528546A (en) * 2018-04-17 2018-09-14 重庆理工大学 A kind of drag reduction subtracts the two-box automobile flow spoiler risen and the two-box automobile with the flow spoiler
CN109911037A (en) * 2017-12-13 2019-06-21 保时捷股份公司 Air director part for motor vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826133A (en) * 2012-09-13 2012-12-19 湖南工业大学 Additional device inhibiting dust polluting back of automobile body, mounting method thereof and automobile
CN103287511A (en) * 2013-06-08 2013-09-11 奇瑞汽车股份有限公司 Automobile tail vortex breakdown device and installation method thereof
CN109911037A (en) * 2017-12-13 2019-06-21 保时捷股份公司 Air director part for motor vehicles
CN108528546A (en) * 2018-04-17 2018-09-14 重庆理工大学 A kind of drag reduction subtracts the two-box automobile flow spoiler risen and the two-box automobile with the flow spoiler
CN108528546B (en) * 2018-04-17 2020-09-29 重庆理工大学 Drag reduction and lift reduction two-compartment car spoiler and two-compartment car with same

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication