WO2008074307A1 - Ventilateur axial pour un radiateur de véhicule - Google Patents

Ventilateur axial pour un radiateur de véhicule Download PDF

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Publication number
WO2008074307A1
WO2008074307A1 PCT/DE2007/002266 DE2007002266W WO2008074307A1 WO 2008074307 A1 WO2008074307 A1 WO 2008074307A1 DE 2007002266 W DE2007002266 W DE 2007002266W WO 2008074307 A1 WO2008074307 A1 WO 2008074307A1
Authority
WO
WIPO (PCT)
Prior art keywords
axial fan
fan
air flow
inlet ring
ring
Prior art date
Application number
PCT/DE2007/002266
Other languages
German (de)
English (en)
Inventor
Tilman Schäfer
Thomas Dreesen
Original Assignee
Temic Automotive Electric Motors Gmbh
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 Temic Automotive Electric Motors Gmbh filed Critical Temic Automotive Electric Motors Gmbh
Priority to DE112007003353T priority Critical patent/DE112007003353A5/de
Publication of WO2008074307A1 publication Critical patent/WO2008074307A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/18—Storing ice
    • F25C5/182—Ice bins therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units

Definitions

  • the invention relates to an axial fan for a vehicle radiator specified in the preamble of claim 1. Art.
  • Such axial fans are used for example in a cross-flow cooler of an internal combustion engine of a motor vehicle for generating a cooling air flow, wherein the axial fan is driven by an electric motor (also called hub motor).
  • Cooling air flow flows through in the middle region along the electric motor, wherein it comes in the near-edge outer region due to the flow inlet side negative pressure to a flowing back from the pressure side return air flow, which usually flows through a formed between the axial fan and a surrounding fan shroud gap. This can lead to undesirable noise developments, in particular in the case of downstream holding struts for the electric motor.
  • FIG. 1 shows an exemplary embodiment of a fan L of the prior art.
  • the fan L driving electric motor M is attached to the suction side via holding struts H on a fan frame Z.
  • these motor support struts H are often molded with in the manufacture of the fan frame Z with.
  • the fan L has a fan blade F surrounding and co-rotating outer ring A.
  • the fan frame Z is to Covering and reducing a gap S between the fan frame Z and outer ring A with a, in the fan frame Z, z.
  • B. a plastic frame Z, integrated, standing inlet ring E provided.
  • the integrated inlet ring E is shaped in such a way that the backflowing air flow LR is diverted in the direction of the cooling or main air flow LS.
  • the invention is therefore based on the object to provide an acoustically improved axial fan.
  • a fan wheel which promotes the main air flow, is driven by a hub motor which is rotationally coupled thereto, wherein the vehicle radiator is arranged on the suction side of the fan wheel and between the vehicle radiator and the fan wheel surrounding the hub motor fan frame is arranged.
  • the fan wheel is formed from a number of radially arranged vanes, which are surrounded by a circumferential outer end of the wing outer ring.
  • a separate air guiding device is provided at least on the suction side of the outer ring, via which a flow of air flowing back from the pressure side to the suction side can be deflected and fed to the main air flow.
  • the basic idea of the invention is based on the consideration that in the case of fan modules with downstream holding struts a separate mounting of the air guiding device is made possible by the separate air guiding device, so that an annular gap formed between the fan outer ring and the air guiding device can be optimally adjusted variably and aeroacoustically.
  • the axial fan according to the invention over conventional axial fans significantly improved acoustics, in particular a significantly lower noise level.
  • the diameter of the inlet ring is smaller than the diameter of the fan outer ring.
  • the inlet ring can be mounted only after installation of the motor fan and thus the hub motor with fan, the inlet ring is not integrally integrated into the fan cowl, but represents a separate component.
  • the inlet ring After mounting the motor fan, the inlet ring on the supported by the support struts fan cowl attached.
  • the attachment is preferably by clipping, but may also be formed by any other type of attachment.
  • an inlet ring or other suitable deflection means is provided as an air guide, which deflects the back from the pressure side to the suction side in the outer, peripheral edge region of the fan air flow (also called return air flow or Spaltluftström) in the direction of the main air flow and thus from the outer, circumferential edge region of the hub motor in the direction of the blades of the fan wheel deflects.
  • the louver in particular the inlet ring is formed, for example, by a suitable design aerodynamically effective the return air flow conductive.
  • the inlet ring is arcuate.
  • the arc or the curvature of the inlet ring is shaped such that the return air flow in terms of flow optimally from the outside
  • Edge region is deflected into the central region, wherein the return air flow is deflected in the annular gap formed between the inlet ring and the outer ring by substantially 180 ° and thus in the direction of the main air flow with substantially the same sense of direction and the main air flow.
  • the inlet ring on the fan frame is detachable and thus arranged separately mountable.
  • the inlet ring is clipped, screwed or snapped fastened to the fan cowl.
  • the diameter of the separate inlet ring is smaller than the diameter of the outer ring of the fan wheel.
  • the Haupt Kunststoffström enters the flow input side after the radiator through an air inlet opening and via an air outlet opening on the flow output side after the fan from the axial fan.
  • the openings are connected to each other via a lying within the hub motor flow path, which is formed by the components to be cooled of the engine, with axial path portions to a cooling air passage.
  • the axial fan according to the invention was indeed developed for due to theêtwindproblematik aerodynamically very demanding vehicle radiator, but could easily be used in other vehicle heat exchangers or stationary heat exchangers.
  • a motor for example, an electric motor is particularly suitable.
  • Fig. 1 shows a schematic longitudinal section through a
  • Fig. 3 shows a schematic longitudinal section through a
  • Hub region of an axial fan according to the invention in installation position with separate inlet ring.
  • FIG. 3 shows an upper half of an axial fan 10 with a horizontal axis of rotation and a vertical plane of rotation drawn with broken lines, which is arranged at a short distance behind a broad side of a vehicle radiator 11.
  • the plane of rotation of the axial fan 10 extends substantially parallel to the rear broad side of the radiator 11, since this is designed as a parallelepiped parallel flow cooler.
  • the axial fan 10 is used in the usual way the purpose, with insufficient wind flow of the radiator 11 is sufficient for cooling the radiator medium flooding of the radiator 11 with a by rotation of his
  • the fan wheel 12 is rotationally driven by means of a hub motor 13 arranged centrally in the fan wheel 12 in a clockwise counter-sense, whereby the radiator 11 is flooded by the suction flow of the fan wheel 12, ie its main air flow LS.
  • the suction side of the axial fan 10 is denoted by p + for clarification of the pressure conditions and its pressure side.
  • the main air flow LS is further channeled by a fan cowl or frame 19, through which the flow path between the rectangular circumference of the radiator 11 and the round outlet opening 22 of the fan 12 receiving fan shroud 19 is enclosed airtight.
  • the inlet side is provided at the shroud 19 is a separate, formed as an inlet ring 20 air-guiding device that the Return air flow LR in the direction of the main air flow LS deflects.
  • the separate inlet ring 20 is releasably secured to the fan frame 19.
  • the inlet ring 20 is screwed, clipped or attached to the fan cowl 19 in any other suitable manner.
  • the inlet ring 20 can be mounted variably in the mounting direction R after mounting the fan wheel 12 and the hub motor 13 to the fan frame 19.
  • the annular gap S formed between the inlet ring 20 and the outer ring 12.3 of the fan wheel 12 can be adjusted variably. This allows a particularly aerodynamically and acoustically optimal adjustment of the annular gap S.
  • the separate inlet ring 20 is shaped such that it can ensure an aerodynamically homogeneous and effective deflection of the incoming from the air outlet opening 22 return air flow LR in the direction of the main air flow LS with largely the same sense of direction.
  • Hub motor 13 is attached.
  • the rotor or rotor housing 17 carrying the permanent magnets is mounted on a bearing journal 16 via a central bearing sleeve located between the air inlet opening 15 and two rolling bearings, which projects from a likewise pot-shaped stator housing 18.
  • the stator housing 18 carrying the stator with motor winding is in turn fixedly connected to the hub shell 14.
  • the hub motor 13 composed of rotor housing 17 and stator housing 18 is, for example, an electric motor. But it can also be another suitable engine, for. As a hydraulic motor, are used.
  • the hub motor 13 which is connected via a cable harness, not shown, with the electrical system of the motor vehicle, respectively controlled or wired, so that the fan 12 is rotationally driven by the hub motor 13.
  • the fan wheel 12 generates the desired main air flow LS for crossflow flow through the vehicle radiator 11. Due to the curved inlet ring 20 arranged in the circumferential region of the hub motor 13, the return air flow LR close to the circumference is moved in the direction of the
  • Main air flow LS and thus deflected in the direction of the wings 12.1 of the fan 12. Due to the shape and design of the inlet ring 20, the return air flow LR is thereby deflected, for example, by approximately 180 ° and without appreciable turbulence in the direction of the blades 12.1 of the fan wheel 12 and the main air flow LS and supplied thereto. Also, the return air flow LR can be deflected at a different suitable angle, wherein the deflection of the shape and design and the positioning of the inlet ring 20 depends and allows a supply of the return air flow LR in the main air flow LS.
  • the inlet ring 20 preferably has a smaller diameter D E than the diameter D L of the outer ring 12.3. As a result, the suction side arranged covers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un ventilateur axial (10) pour un radiateur de véhicule (11), dont la roue de ventilateur (12) refoulant le flux d'air principal (H) est entraînée par un moteur monté sur moyeu (13) couplé en rotation centralement à cette roue. Le radiateur de véhicule (11) est disposé sur le côté d'aspiration (p-) de la roue de ventilateur (12), et un châssis de ventilateur (19) entourant le moteur monté sur moyeu (13) est disposé entre le radiateur de véhicule (11) et la roue de ventilateur (12). La roue de ventilateur (12) est formée d'un certain nombre d'ailettes (12.1) disposées radialement, qui sont entourées par une bague extérieure (12.3) faisant le tour des extrémités radiales extérieures des ailettes (12.1). Selon l'invention, il est prévu au moins sur le côté d'aspiration de la bague extérieure (12.3) un organe séparé de guidage d'air (bague d'admission 20), par l'intermédiaire duquel un flux d'air (LR) refluant du côté de refoulement (p+) au côté d'aspiration (p-) peut être dévié et apporté au flux d'air principal (H).
PCT/DE2007/002266 2006-12-18 2007-12-17 Ventilateur axial pour un radiateur de véhicule WO2008074307A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112007003353T DE112007003353A5 (de) 2006-12-18 2007-12-17 Axiallüfter für einen Fahrzeugkühler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006060102 2006-12-18
DE102006060102.5 2006-12-18

Publications (1)

Publication Number Publication Date
WO2008074307A1 true WO2008074307A1 (fr) 2008-06-26

Family

ID=39277818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2007/002266 WO2008074307A1 (fr) 2006-12-18 2007-12-17 Ventilateur axial pour un radiateur de véhicule

Country Status (2)

Country Link
DE (1) DE112007003353A5 (fr)
WO (1) WO2008074307A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2151345A2 (fr) * 2008-08-07 2010-02-10 Robert Bosch GmbH Agencement de montage pour un ventilateur et procédé de montage dudit ventilateur
WO2013143671A1 (fr) * 2012-03-26 2013-10-03 Ziehl-Abegg Ag Ventilateur, notamment pour un usage dans le domaine technique de la climatisation et du froid
DE102012222258A1 (de) 2012-12-04 2014-06-05 Magna Electronics Europe Gmbh & Co.Kg Luftführung in einer Lüfterhaube
DE102013227025A1 (de) * 2013-12-20 2015-06-25 MAHLE Behr GmbH & Co. KG Axiallüfter
CN106062380A (zh) * 2014-02-21 2016-10-26 株式会社电装 送风装置
CN109098983A (zh) * 2017-06-21 2018-12-28 日立空调·家用电器株式会社 电动送风机
DE102018128813A1 (de) * 2018-11-16 2020-05-20 Ebm-Papst Mulfingen Gmbh & Co. Kg Diagonalventilator mit Drallreduzierung am Diagonallaufrad

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826697A1 (de) * 1977-07-01 1979-01-11 Gen Motors Corp Luftgekuehlter kuehler fuer kraftfahrzeugmotoren
DE3304297A1 (de) * 1982-03-15 1984-03-15 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Axialgeblaese, insbesondere fuer kuehler einer wassergekuehlten brennkraftmaschine
DE8614073U1 (de) * 1986-05-24 1988-04-07 Daimler-Benz Ag Kühleinrichtung an einer Brennkraftmaschine
DE3804217A1 (de) * 1988-02-11 1989-08-24 Bosch Gmbh Robert Axialluefter
DE9017417U1 (de) * 1990-12-22 1991-03-14 Behr GmbH & Co, 7000 Stuttgart Lüfteraggregat für einen Kühler
US5183382A (en) * 1991-09-03 1993-02-02 Caterpillar Inc. Low noise rotating fan and shroud assembly
DE4414893A1 (de) * 1994-04-28 1995-11-09 Geiger Plastic Verwaltung Kühlerabschottung für Kraftfahrzeuge
DE10047952A1 (de) * 2000-09-27 2002-04-18 Geiger Technik Gmbh Absperranordnung für einen Wasserkühler eines Kraftfahrzeugs

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826697A1 (de) * 1977-07-01 1979-01-11 Gen Motors Corp Luftgekuehlter kuehler fuer kraftfahrzeugmotoren
DE3304297A1 (de) * 1982-03-15 1984-03-15 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Axialgeblaese, insbesondere fuer kuehler einer wassergekuehlten brennkraftmaschine
DE8614073U1 (de) * 1986-05-24 1988-04-07 Daimler-Benz Ag Kühleinrichtung an einer Brennkraftmaschine
DE3804217A1 (de) * 1988-02-11 1989-08-24 Bosch Gmbh Robert Axialluefter
DE9017417U1 (de) * 1990-12-22 1991-03-14 Behr GmbH & Co, 7000 Stuttgart Lüfteraggregat für einen Kühler
US5183382A (en) * 1991-09-03 1993-02-02 Caterpillar Inc. Low noise rotating fan and shroud assembly
DE4414893A1 (de) * 1994-04-28 1995-11-09 Geiger Plastic Verwaltung Kühlerabschottung für Kraftfahrzeuge
DE10047952A1 (de) * 2000-09-27 2002-04-18 Geiger Technik Gmbh Absperranordnung für einen Wasserkühler eines Kraftfahrzeugs

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2151345A2 (fr) * 2008-08-07 2010-02-10 Robert Bosch GmbH Agencement de montage pour un ventilateur et procédé de montage dudit ventilateur
EP2151345A3 (fr) * 2008-08-07 2010-12-29 Robert Bosch GmbH Agencement de montage pour un ventilateur et procédé de montage dudit ventilateur
WO2013143671A1 (fr) * 2012-03-26 2013-10-03 Ziehl-Abegg Ag Ventilateur, notamment pour un usage dans le domaine technique de la climatisation et du froid
DE102012222258A1 (de) 2012-12-04 2014-06-05 Magna Electronics Europe Gmbh & Co.Kg Luftführung in einer Lüfterhaube
DE102012222258B4 (de) * 2012-12-04 2017-12-28 Magna Powertrain Bad Homburg GmbH Luftführung mit Leitflächen in einer Lüfterhaube
DE102013227025A1 (de) * 2013-12-20 2015-06-25 MAHLE Behr GmbH & Co. KG Axiallüfter
EP3109484A4 (fr) * 2014-02-21 2017-02-22 Denso Corporation Dispositif de soufflage d'air
CN106062380A (zh) * 2014-02-21 2016-10-26 株式会社电装 送风装置
US10309422B2 (en) 2014-02-21 2019-06-04 Denso Corporation Blower
CN106062380B (zh) * 2014-02-21 2021-05-04 株式会社电装 送风装置
CN109098983A (zh) * 2017-06-21 2018-12-28 日立空调·家用电器株式会社 电动送风机
DE102018128813A1 (de) * 2018-11-16 2020-05-20 Ebm-Papst Mulfingen Gmbh & Co. Kg Diagonalventilator mit Drallreduzierung am Diagonallaufrad
US11692553B2 (en) 2018-11-16 2023-07-04 Ebm-Papst Mulfingen Gmbh & Co. Kg Diagonal fan having swirl reduction at the diagonal impeller

Also Published As

Publication number Publication date
DE112007003353A5 (de) 2009-12-03

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