EP1486650A1 - Dispositif de refroidissement pour un véhicule automobile - Google Patents

Dispositif de refroidissement pour un véhicule automobile Download PDF

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Publication number
EP1486650A1
EP1486650A1 EP04012510A EP04012510A EP1486650A1 EP 1486650 A1 EP1486650 A1 EP 1486650A1 EP 04012510 A EP04012510 A EP 04012510A EP 04012510 A EP04012510 A EP 04012510A EP 1486650 A1 EP1486650 A1 EP 1486650A1
Authority
EP
European Patent Office
Prior art keywords
fan
cooling device
cooling
air
air duct
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.)
Withdrawn
Application number
EP04012510A
Other languages
German (de)
English (en)
Inventor
Wolf Dr. Bartelheimer
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1486650A1 publication Critical patent/EP1486650A1/fr
Withdrawn legal-status Critical Current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
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • 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
    • F01P5/04—Pump-driving arrangements
    • F01P5/043—Pump reversing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F04D19/005—Axial flow fans reversible fans
    • 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
    • F01P1/00—Air cooling
    • F01P2001/005—Cooling engine rooms

Definitions

  • the invention relates to a cooling device for a motor vehicle.
  • Known Cooling devices are designed, for example, according to FIG. 1.
  • a suction fan which in the direction of the air flow (i.e. in the direction of travel forward, seen against a direction of travel) is arranged behind a cooler, outside air through openings in the front of the vehicle body sucked through the radiator, which increases the mass flow through the cooling module and thus the one in the cooler Coolant for cooling the vehicle engine is cooled more.
  • the fan is used today Vehicles depending on the existing cooling requirements of the vehicle engine or the required air conditioning performance regulated.
  • the invention has for its object to provide an improved cooling device.
  • the invention is based on the finding that for optimizing the aerodynamics for an adjustable blinds to close the air inlet openings on the front Motor vehicle are very difficult to implement and on the other hand Reversal of the direction of rotation of the fan warm air from the engine interior through the Lead cooler module through and thus to a lower cooling of the coolant and would result in reduced air conditioning performance.
  • a Cooling device proposed that a cooler module, for example in the form of several heat exchanger arranged one behind the other or next to one another (for the Engine cooling circuit, the engine oil, in automatic transmissions the gear oil, in engines with Turbocharger or compressor of the intercooler and the air conditioning condenser) with a before or Fan located behind the cooler for targeted pushing or sucking in Cooling air through the cooling module and a cooling air duct for guiding the cooling air has, wherein the cooling air duct is designed such that it both in one sucking as well as in a pressing operation of the fan to a large extent fresh air can be sucked in from the outside of the motor vehicle.
  • the cooling air duct is preferably connected to the cooler on one side and elsewhere through an opening - especially down towards the roadway floor directed - for the intake of outside air connected to the vehicle's outside environment in such a way that ensures suction of outside air and suction of air from the Engine interior is largely avoided. Further training that is a different one Connecting the cooling air duct to the outside air is also possible. So he can Cooling air duct with its other opening upward in the area of the hood or be arranged between the bonnet and windscreen.
  • FIG. 2 shows a section of the front part of a in a highly simplified representation Motor vehicle with a cooling device 2, a motor unit 4 to be cooled and one to the Motor unit 4 coupled gear unit 6.
  • the cooling device 2 comprises a Cooling air duct 20, a cooler module 22 and a fan 24.
  • the fan 24 designed such that it is in both the suction and the pressing mode can be operated.
  • the fan 24 can use its fan wheel in different ways Rotation directions are operated.
  • the cooling air is from the front (vehicle front) through the radiator module 22 sucked through and via the cooling air duct 20 preferably downwards in the direction Road surface derived (in Fig. 2, this mode would reverse direction of arrow for the air currents).
  • the cooling air duct 20 is at one end with the cooler module 22 connected (in particular such that a lateral outflow of the cooling air into the engine compartment not or only selectively e.g. by controllable air duct flaps 20a). other end
  • the cooling air duct 20 opens into the vehicle exterior via an opening 21 - and will in particular down towards the road floor under the vehicle.
  • On the side of the cooler 22 facing the front openings 30 is preferably likewise this provided with an air duct. As a result, a targeted is also in the front area Guidance of the ventilation flows guaranteed.
  • the fan 24 is from the suction (Fig.1, arrow II) to the pressing Operation (Fig. 2, arrow I) switched so that cooling air from the vehicle exterior - in particular from the lower vehicle floor area - sucked in and through the cooler module 22 through the front vehicle ventilation openings 30 is pressed outwards.
  • This will make a Back pressure to the front due to the vehicle speed Generated air pressure.
  • This artificially generated counter air pressure virtually closes the front Air inlet openings of the vehicle, so that the so-called cooling air resistance (the proportion the total resistance caused by the flow through the cooling module and the engine compartment arises) and thus the total air resistance is considerably reduced.
  • the fan 24 is at this embodiment as a fan with a preferably pressing mode of operation - the means that it is in the air delivery direction to the front openings to optimize the Aerodynamics, is designed for greater performance than in the other direction (according to the Example in FIG. 2 means that the fan 24 has a higher pressure mode Air volume delivery guaranteed as in suction mode). This makes sense because for the Build up a back pressure, especially at higher speeds Power is required than for the suction cooling support function of the fan 24 especially at lower speeds.
  • the fan 24 can of course also be arranged in front of the cooler module 22 become. Then, in accordance with the mode of operation, there is a fan 24 with preferably suction Operating mode.
  • the arrangement in the pressing mode improves in an advantageous manner Way the acoustic properties.
  • the fan blades In order to weight the performance of the fan 24 depending on the direction of rotation, the fan blades have to be designed accordingly, for example. According to the invention, these are seen in cross section (FIG. 3, section AA) on their opposite front and rear edges to be provided with different radii.
  • the fan blade profile is thus optimized for both directions of rotation with a round front and rear edge.
  • the front edge seen in the preferred direction of rotation has the larger radius.
  • the radii and the profile curvature as well as the curvature distribution are to be designed according to the inflow conditions.
  • the fan blade must be designed in such a way that the air flow cannot come off at the respective front edge of the fan blade in both directions of rotation.
  • the fan blade should preferably be designed such that its curvature is symmetrical to the longitudinal axis of the fan blade.
  • adjustable guide blades can be arranged on the fan blades.
  • FIG. 3 shows in detail a fan blade according to the prior art (top illustration) and a fan blade according to the invention (middle illustration).
  • the layout of the fan blades is preferably designed according to aeroacoustic considerations.
  • the ventilation duct 20 is provided with at least one controllable air duct flap 20a.
  • the non-aerodynamic operation of the cooling device here: suction fan operation
  • a targeted forwarding of the cooling air into the engine interior is achieved, and thus additional cooling within the engine compartment is ensured.
  • aerodynamic operation here: pressing fan operation
  • the additional air duct flaps 20a should be closed in order to prevent warm engine air from being sucked in for optimum cooling performance.
  • the invention thus improves the aerodynamics of the vehicle - especially at lower speeds. For aerodynamic effectiveness at very high vehicle speeds, more fan drive power is required.
  • the cooling water circuit is cooled optimally and as required and the media (such as engine or gear oils) in other heat exchangers guaranteed and by encapsulating the engine compartment the warm-up time of engine and Gearbox reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP04012510A 2003-06-11 2004-05-27 Dispositif de refroidissement pour un véhicule automobile Withdrawn EP1486650A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10326637 2003-06-11
DE2003126637 DE10326637B3 (de) 2003-06-11 2003-06-11 Kühlvorrichtung für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
EP1486650A1 true EP1486650A1 (fr) 2004-12-15

Family

ID=33185773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04012510A Withdrawn EP1486650A1 (fr) 2003-06-11 2004-05-27 Dispositif de refroidissement pour un véhicule automobile

Country Status (2)

Country Link
EP (1) EP1486650A1 (fr)
DE (1) DE10326637B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010033491A1 (fr) * 2008-09-22 2010-03-25 Clark Equipment Company Multiples passages d'air utilisant un ventilateur à axe unique
CN112959882A (zh) * 2021-04-02 2021-06-15 浙江中誉热管理科技有限公司 一种新型车辆冷却模块及冷却系统

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1801421A1 (fr) 2005-12-22 2007-06-27 Ziehl-Abegg AG Ventilateur et pale de ventilateur
DE102006008224A1 (de) * 2006-02-22 2007-08-23 Bayerische Motoren Werke Ag Kühlsystem für ein Kraftfahrzeug
DE102014225807B4 (de) * 2014-12-15 2019-03-07 Bayerische Motoren Werke Aktiengesellschaft Kühlsystem für ein Fahrzeug zur Luftkühlung mehrerer Räume mit unterschiedlichen Temperaturanforderungen
DE102017003633A1 (de) 2017-04-13 2018-10-18 Daimler Ag Verfahren zum Betreiben einer Kühleinrichtung eines Kraftfahrzeugs
DE102017007768A1 (de) 2017-08-16 2018-01-25 Daimler Ag Kühlvorrichtung für ein Kraftfahrzeug, insbesondere einen Kraftwagen
KR20220146705A (ko) 2020-03-10 2022-11-01 에베엠-펩스트 물핑겐 게엠베하 운트 코. 카게 팬 및 팬 블레이드
DE102022113142A1 (de) 2022-05-24 2023-11-30 Ebm-Papst Mulfingen Gmbh & Co. Kg Nachleiteinrichtung sowie Ventilator mit Nachleiteinrichtung
EP4283135A1 (fr) 2022-05-24 2023-11-29 ebm-papst Mulfingen GmbH & Co. KG Dispositif de guidage et ventilateur doté d'un dispositif de guidage
DE102022113141A1 (de) 2022-05-24 2023-11-30 Ebm-Papst Mulfingen Gmbh & Co. Kg Nachleiteinrichtung sowie Ventilator mit Nachleiteinrichtung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7045215U (de) * 1971-09-02 Bmw Ag Brennkraftmaschine mit Vorrichtung zur Steuerung der Temperatur der Kühlflüssigkeit
WO1980000475A1 (fr) * 1978-08-16 1980-03-20 Colchester Woods Ventilateur a flux axial
US4598786A (en) * 1982-07-01 1986-07-08 A V L Gesellschaft fur Verbrennungskraftmaschinen und Messtechnik m.b.H. Prof. Dr. Dr. h.c. Hans List Motor vehicle with a sound-absorbing capsule for the driving engine
US4706615A (en) * 1985-05-09 1987-11-17 Ford Motor Company Engine cooling system
EP0323210A2 (fr) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Système de commande de refroidissement
DE19910651A1 (de) * 1998-03-13 1999-09-16 Denso Corp Motorkühlvorrichtung
US6116856A (en) * 1998-09-18 2000-09-12 Patterson Technique, Inc. Bi-directional fan having asymmetric, reversible blades
DE10239879A1 (de) 2002-08-29 2004-03-18 Bayerische Motoren Werke Ag Verfahren zur Reduzierung des Luftwiderstands eines Kraftfahrzeugs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228586A1 (de) * 1992-02-06 1993-08-12 Kloeckner Humboldt Deutz Ag Kuehlanlage
DE29607550U1 (de) * 1996-04-26 1996-07-18 Porsche Ag Kraftfahrzeug, insbesondere Rennsportwagen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7045215U (de) * 1971-09-02 Bmw Ag Brennkraftmaschine mit Vorrichtung zur Steuerung der Temperatur der Kühlflüssigkeit
WO1980000475A1 (fr) * 1978-08-16 1980-03-20 Colchester Woods Ventilateur a flux axial
US4598786A (en) * 1982-07-01 1986-07-08 A V L Gesellschaft fur Verbrennungskraftmaschinen und Messtechnik m.b.H. Prof. Dr. Dr. h.c. Hans List Motor vehicle with a sound-absorbing capsule for the driving engine
US4706615A (en) * 1985-05-09 1987-11-17 Ford Motor Company Engine cooling system
EP0323210A2 (fr) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Système de commande de refroidissement
DE19910651A1 (de) * 1998-03-13 1999-09-16 Denso Corp Motorkühlvorrichtung
US6116856A (en) * 1998-09-18 2000-09-12 Patterson Technique, Inc. Bi-directional fan having asymmetric, reversible blades
DE10239879A1 (de) 2002-08-29 2004-03-18 Bayerische Motoren Werke Ag Verfahren zur Reduzierung des Luftwiderstands eines Kraftfahrzeugs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010033491A1 (fr) * 2008-09-22 2010-03-25 Clark Equipment Company Multiples passages d'air utilisant un ventilateur à axe unique
US8104559B2 (en) 2008-09-22 2012-01-31 Clark Equipment Company Multiple air flow paths using single axial fan
CN102159813B (zh) * 2008-09-22 2013-08-28 克拉克设备公司 使用单个轴流式风机的多个空气流路
CN112959882A (zh) * 2021-04-02 2021-06-15 浙江中誉热管理科技有限公司 一种新型车辆冷却模块及冷却系统

Also Published As

Publication number Publication date
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