EP1219837A2 - Ventilateur à pales axiales - Google Patents

Ventilateur à pales axiales Download PDF

Info

Publication number
EP1219837A2
EP1219837A2 EP01125014A EP01125014A EP1219837A2 EP 1219837 A2 EP1219837 A2 EP 1219837A2 EP 01125014 A EP01125014 A EP 01125014A EP 01125014 A EP01125014 A EP 01125014A EP 1219837 A2 EP1219837 A2 EP 1219837A2
Authority
EP
European Patent Office
Prior art keywords
blade
fan
stabilizers
fan according
hub
Prior art date
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.)
Granted
Application number
EP01125014A
Other languages
German (de)
English (en)
Other versions
EP1219837A3 (fr
EP1219837B1 (fr
Inventor
Uwe Dipl.-Ing. Blass
Christoph Dipl.-Ing. Kurdzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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
Priority claimed from DE2001100064 external-priority patent/DE10100064A1/de
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1219837A2 publication Critical patent/EP1219837A2/fr
Publication of EP1219837A3 publication Critical patent/EP1219837A3/fr
Application granted granted Critical
Publication of EP1219837B1 publication Critical patent/EP1219837B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form

Definitions

  • the invention relates to a fan with axial blades, in particular for radiators of motor vehicles according to claims 1 or 2 of the Main application 199 29 978.1 of the applicant.
  • the Air-guiding elements are in the hub and Air-guiding elements on the suction side of the axial blades arranged.
  • the air guiding elements extend over the entire blade division, that is, from the leading edge of an axial blade to the leading edge of one adjacent axial blade.
  • This particular embodiment of the Air guiding elements, as shown in FIGS. 3 and 4 of the main application is thus a continuous surface or between two blades the wall for a closed flow channel. With certain These closed flow channels can provide flow conditions disadvantageous, in particular they can lead to congestion effects and vortex formation, that means lead to flow losses.
  • the task of this additional application corresponds to that of the aforementioned Main application, it aims at a further advantageous embodiment of the Invention after the main application, in particular an avoidance of aforementioned congestion effects due to a closed flow channel.
  • the air guiding elements are considered fin-like Stabilizers formed, which are only in the circumferential direction Range from 1% to 40% of the blade pitch.
  • the air control elements leave one between two blades and the hub open flow channel, in which the hub flow and Blade flow are controlled.
  • the stabilizers in Blade root area cause on the suction side, the blades a Separation of hub and blade flow and prevent separation the flow as well as a harmful vortex formation.
  • Similar fin-like air guiding elements are known per se, namely as so-called boundary layer fences from DE 26 14 318 C2 or as so-called auxiliary wing from DE 27 56 880 C2.
  • these are Border layer fences or auxiliary wings according to the prior art in the radial outermost area of the blades, that is in the blade tip area arranged.
  • These boundary layer fences are supposed to flow on the one hand Supply energy and on the other hand a flow around the blade tips Prevent (from the pressure side to the suction side).
  • They are opposite Stabilizers according to the invention in the vicinity of the hub, that is in the Blade root area arranged.
  • the Length of the stabilizers as seen in the direction of air flow, the length of the Axial blades, with the front edge of the stabilizers slightly opposite the blade leading edge can be offset in the flow direction.
  • the area of the stabilizers is preferably light in the radial direction curved outwards, that is, slightly concave. This too Measure takes the course of the flow in the blade root area Bill.
  • the stabilizers in one radial range from 0 to 40% of the blade height H, preferably from 0 up to 20% are arranged. In this area the hub flow and the flow at the blade root can be most effectively influenced.
  • the hub in a fluid friction clutch on its inner area, which on its Front has radially aligned cooling fins.
  • the latter generate one essentially radially oriented air flow, a so-called cooling air flow.
  • each stabilizer Assigned radial blade elements that is, so-called flow dividers after the main registration.
  • the latter reach into the front edge radially oriented cooling air flow and steer this relatively low loss on the pressure side of the blades, i.e. in the area of the hub ramp around.
  • the outer surfaces of the radial blade element and the hub ramp a common one Area so that a favorable flow in the hub area is achieved becomes.
  • the areas of the Stabilizer, the radial blade element and the hub ramp into each other over, so that the blade root pressure and suction side of one common area is surrounded, which is a particularly low loss Flow generated.
  • FIG. 1 shows an axial fan 1 with eight substantially radially oriented fan blades 2, which are fastened on a hub 3.
  • This fan 1 or its hub 3 is fastened on a fluid friction clutch 4 with radially extending cooling fins 4 ′, which drives the fan 1 in the direction of arrow A.
  • Stabilizers 5 and radial blade elements 6 are arranged in the area of the hub 3.
  • Fig. 2 shows a side view of the fan 1 with a view of the blade 2 in the direction of its radial longitudinal axis.
  • This blade 2 has a leading edge or leading edge 7, a trailing or trailing edge 8 and a suction side 9 and a pressure side 10.
  • Arranged on the suction side 9 is the fin-like stabilizer 5, which has an outer boundary line 11 and an inner boundary line 12 (at the connection point with the blade 2).
  • the circumferential extension s of the stabilizer 5 increases from the inflow side (s 1 ) to the outflow side (s 2 ), ie s 2 > s 1.
  • the length I of the stabilizer 5 essentially corresponds to the blade length L, the front edge 13 of the stabilizer 5 is set back somewhat from the front edge 7 of the blade, while the rear edge 14 is approximately flush with the rear edge 8 of the blade.
  • the length L can be approximately 175 mm.
  • the radial blade element 6 In the front area of the hub 3 is in the direction of flow (that is against the direction of rotation A) in front of the blade leading edge 7, the radial blade element 6 arranged, which in the main application also as Flow divider was called. This radial blade element covers the front part of the fluid friction clutch 4 in the axial direction, while the front edge 15 of the hub 3 is somewhat in this area is reset.
  • the fan blades 2 have a radial extension or height H.
  • the stabilizers 5 are arranged, which are slightly concave, that is curved outward in the radial direction.
  • the stabilizers 5 can be demolded in the axial direction (in the direction of the axis of rotation M). This is particularly advantageous if the fan is injection molded as a plastic part or manufactured as a cast part.
  • the dashed lines 16 show the course of the hub ramp on the back (pressure side) of the blade 2.
  • the fan 4 shows the fan 1 in a view from the rear, that is to say in the direction of the axis of rotation M.
  • the fan blade 2 which is injection molded as a plastic part, has in its left, that is to say the suction side region, the stabilizer 5 which projects approximately at right angles and which is connected to the fan blade 2 is molded.
  • the axial demoldability of the stabilizers 5 is also evident here.
  • the upper edge of the hub ramp is marked with the reference number 16 on the right side of the blade.
  • FIG. 6 shows a section along the line VI-VI in FIG. 4 looking towards the suction side 9 of the blade 2.
  • the axial demoldability is clear for the cut area 5 ′ of the stabilizer 5.
  • FIG. 7 shows an enlarged view, that is to say a partial view of FIG. 1 for the blade root region.
  • the surfaces of the stabilizers 5, the radial blade elements or flow dividers 6 and the hub ramp 16 can clearly be seen here.
  • the surface elements 5 and 6 are interrupted in this embodiment by the front edge 7 of the blade 2.
  • FIG 8 shows a further exemplary embodiment in which the outer surfaces 5a and 6a of the stabilizers 5 and the radial blade elements 6 are integrated into one another in such a way that they form a common, seamless surface with a common front edge 17.
  • the surface element 6a therefore merges with the surface element 5a on the suction side of the blade 2 and with the surface element 16 of the hub ramp on the pressure side of the blade. This results in a low-loss flow around the blade root, that is to say in the hub region, the essentially radially oriented cooling air flow of the fluid friction clutch being brought together in a controlled manner with the flow around the blade. This can improve the performance of this fan, especially in connection with the clutch.
EP01125014A 2001-01-02 2001-10-20 Ventilateur à pales axiales Expired - Lifetime EP1219837B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001100064 DE10100064A1 (de) 1999-06-30 2001-01-02 Lüfter mit Axialschaufeln
DE10100064 2001-01-02

Publications (3)

Publication Number Publication Date
EP1219837A2 true EP1219837A2 (fr) 2002-07-03
EP1219837A3 EP1219837A3 (fr) 2003-08-13
EP1219837B1 EP1219837B1 (fr) 2006-08-09

Family

ID=7669690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01125014A Expired - Lifetime EP1219837B1 (fr) 2001-01-02 2001-10-20 Ventilateur à pales axiales

Country Status (5)

Country Link
US (1) US6726454B2 (fr)
EP (1) EP1219837B1 (fr)
AT (1) ATE335931T1 (fr)
DE (1) DE50110684D1 (fr)
ES (1) ES2269274T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005035978A1 (fr) * 2003-10-10 2005-04-21 Repower Systems Ag Pale de rotor d'eolienne
WO2007065434A1 (fr) * 2005-12-05 2007-06-14 Lm Glasfiber A/S Pale pour rotor d’aérogénérateur
WO2012072779A1 (fr) * 2010-12-01 2012-06-07 Behr Gmbh & Co. Kg Ventilateur axial
WO2013060358A1 (fr) * 2011-10-25 2013-05-02 Ebm-Papst Mulfingen Gmbh & Co. Kg Roue de ventilateur axial
CN104114857A (zh) * 2012-02-17 2014-10-22 Lmwp专利控股有限公司 具有定形失速栅或偏流器的风轮机叶片
DE102014204043A1 (de) 2014-03-05 2015-09-10 MAHLE Behr GmbH & Co. KG Lüfterrad eines Axiallüfters
EP2333346B1 (fr) * 2009-11-25 2017-02-15 MAHLE Behr GmbH & Co. KG Ventilateur pour moteur à combustion interne
CN111927825A (zh) * 2020-07-24 2020-11-13 东风马勒热系统有限公司 开口风扇

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100389267C (zh) * 2004-07-06 2008-05-21 鸿富锦精密工业（深圳）有限公司 风扇扇叶结构
FR2896830B1 (fr) 2006-01-27 2010-09-17 Faurecia Cooling Systems Ventilateur pour vehicule automobile et bloc avant associe.
CN101657619B (zh) * 2007-05-10 2012-06-13 博格华纳公司 用于冷却风扇的增效的叶片和轮毂结构
DE102010042325A1 (de) 2010-10-12 2012-04-12 Behr Gmbh & Co. Kg Lüfter mit Lüfterschaufeln
JP5574020B2 (ja) * 2013-06-03 2014-08-20 ダイキン工業株式会社 軸流ファン
DE102013222116A1 (de) * 2013-10-30 2015-04-30 MAHLE Behr GmbH & Co. KG Lüfterkupplung
ITTO20140004U1 (it) * 2014-01-10 2015-07-10 Johnson Electric Asti S R L Ventola per un elettroventilatore di raffreddamento, particolarmente per uno scambiatore di calore per un autoveicolo
JP6753865B2 (ja) 2015-04-08 2020-09-09 ホートン， インコーポレイテッド ファンブレード表面の造作
JP2018017167A (ja) * 2016-07-27 2018-02-01 日本電産株式会社 インペラおよびモータ
US10935040B2 (en) * 2017-06-19 2021-03-02 The Boeing Company Radial blade impeller for an industrial fan assembly
USD860427S1 (en) 2017-09-18 2019-09-17 Horton, Inc. Ring fan
JP6583397B2 (ja) * 2017-12-05 2019-10-02 株式会社富士通ゼネラル プロペラファン
US11767761B2 (en) 2018-08-02 2023-09-26 Horton, Inc. Low solidity vehicle cooling fan
US11374458B2 (en) 2018-10-24 2022-06-28 Dekalb Blower Inc. Electric motor with fluid cooling
CN110005638B (zh) * 2019-04-30 2024-01-12 苏州睿昕汽车配件有限公司 一体式导流轮毂结构风扇
CN110107530B (zh) * 2019-06-19 2023-12-29 苏州睿昕汽车配件有限公司 多段式导流轮毂结构风扇
TWI707088B (zh) * 2019-08-13 2020-10-11 大陸商昆山廣興電子有限公司 扇輪
DE102020207914A1 (de) 2020-06-25 2021-12-30 Ziehl-Abegg Se Ventilator sowie Flügel und Flügelrad für einen Ventilator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614318C3 (de) 1975-04-04 1979-03-15 Ricoh Co., Ltd., Tokio Entwicklungsverfahren für ein elektrophotographisches Kopiergerät und Einrichtung zur Durchführung des Verfahrens
DE2756880C2 (de) 1976-12-20 1987-05-27 Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, Aichi Axialventilator
DE19929978A1 (de) 1999-06-30 2001-01-04 Behr Gmbh & Co Lüfter mit Axialschaufeln

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE62510C (de) * G. schiele & CO. in Bockenheim bei Frankfurt a. Main Flügelrad-Gebläse mit Hülfsflügel
DE2951775A1 (de) * 1978-12-26 1980-07-03 Nissan Motor Kuehlgeblaese
DE4117342C1 (fr) 1991-05-27 1992-09-10 Behr Gmbh & Co, 7000 Stuttgart, De
DE19525699A1 (de) 1995-07-14 1997-01-16 Bmw Rolls Royce Gmbh Tandem-Schaufelgitter
DE19710608B4 (de) * 1997-03-14 2007-10-31 Behr Gmbh & Co. Kg Axiallüfter für den Kühler eines Verbrennungsmotors
US6375427B1 (en) * 2000-04-14 2002-04-23 Borgwarner Inc. Engine cooling fan having supporting vanes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614318C3 (de) 1975-04-04 1979-03-15 Ricoh Co., Ltd., Tokio Entwicklungsverfahren für ein elektrophotographisches Kopiergerät und Einrichtung zur Durchführung des Verfahrens
DE2756880C2 (de) 1976-12-20 1987-05-27 Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, Aichi Axialventilator
DE19929978A1 (de) 1999-06-30 2001-01-04 Behr Gmbh & Co Lüfter mit Axialschaufeln

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005035978A1 (fr) * 2003-10-10 2005-04-21 Repower Systems Ag Pale de rotor d'eolienne
US7585157B2 (en) 2003-10-10 2009-09-08 Repower Systems Ag Rotor blade for a wind power station
WO2007065434A1 (fr) * 2005-12-05 2007-06-14 Lm Glasfiber A/S Pale pour rotor d’aérogénérateur
EP2333346B1 (fr) * 2009-11-25 2017-02-15 MAHLE Behr GmbH & Co. KG Ventilateur pour moteur à combustion interne
RU2608800C2 (ru) * 2010-12-01 2017-01-24 Мале Интернэшнл Гмбх Осевой вентилятор
CN103270311A (zh) * 2010-12-01 2013-08-28 贝洱两合公司 轴流式风扇
WO2012072779A1 (fr) * 2010-12-01 2012-06-07 Behr Gmbh & Co. Kg Ventilateur axial
WO2013060358A1 (fr) * 2011-10-25 2013-05-02 Ebm-Papst Mulfingen Gmbh & Co. Kg Roue de ventilateur axial
CN104114857A (zh) * 2012-02-17 2014-10-22 Lmwp专利控股有限公司 具有定形失速栅或偏流器的风轮机叶片
DE102014204043A1 (de) 2014-03-05 2015-09-10 MAHLE Behr GmbH & Co. KG Lüfterrad eines Axiallüfters
WO2015132077A1 (fr) * 2014-03-05 2015-09-11 MAHLE Behr GmbH & Co. KG Roue de ventilateur pour ventilateur axial
CN111927825A (zh) * 2020-07-24 2020-11-13 东风马勒热系统有限公司 开口风扇
CN111927825B (zh) * 2020-07-24 2022-06-28 东风马勒热系统有限公司 开口风扇

Also Published As

Publication number Publication date
US6726454B2 (en) 2004-04-27
EP1219837A3 (fr) 2003-08-13
ATE335931T1 (de) 2006-09-15
DE50110684D1 (de) 2006-09-21
ES2269274T3 (es) 2007-04-01
US20020085912A1 (en) 2002-07-04
EP1219837B1 (fr) 2006-08-09

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