EP2236788A1 - Dispositif de refroidissement pour un véhicule automobile - Google Patents

Dispositif de refroidissement pour un véhicule automobile Download PDF

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Publication number
EP2236788A1
EP2236788A1 EP20100156078 EP10156078A EP2236788A1 EP 2236788 A1 EP2236788 A1 EP 2236788A1 EP 20100156078 EP20100156078 EP 20100156078 EP 10156078 A EP10156078 A EP 10156078A EP 2236788 A1 EP2236788 A1 EP 2236788A1
Authority
EP
European Patent Office
Prior art keywords
cooling device
fan
guide ring
compensation element
annular
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
EP20100156078
Other languages
German (de)
English (en)
Other versions
EP2236788B1 (fr
Inventor
Uwe Blass
David Haar
Ulrich Vollert
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
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2236788A1 publication Critical patent/EP2236788A1/fr
Application granted granted Critical
Publication of EP2236788B1 publication Critical patent/EP2236788B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • 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
    • F01P2070/00—Details
    • F01P2070/50—Details mounting fans to heat-exchangers

Definitions

  • the invention relates to a cooling device for a motor vehicle with an internal combustion engine according to the preamble of claim 1.
  • Cooling devices for motor vehicles are used primarily for cooling the internal combustion engine, but optionally also for cooling a refrigerant circuit for an air conditioning system.
  • the cooling device therefore generally comprises a plurality of heat exchangers, for. B. a coolant radiator, a charge air cooler, an oil cooler and a condenser for cooling the refrigerant of the air conditioner.
  • the cooling device is further associated with a fan, preferably an axial fan with a fan cover.
  • the fan is driven directly by the engine via the crankshaft or a belt drive and is thus arranged fixed to the engine.
  • the heat exchangers in particular the coolant coolers, are arranged fixed to the vehicle, as is the fan cover connected to the heat exchanger (s).
  • the resulting relative movements between the radiator or fan cowling on the one hand and the fan on the other hand are compensated by a motion compensation element, also called compensating element for short, wherein the compensating element simultaneously performs a sealing function.
  • Such a cooling device was characterized by the DE 33 04 297 C2 the applicant known.
  • the designed as an axial fan fan has a jacket or guide ring, which is firmly connected to the blade tips and with revolves around the fan.
  • the shroud protrudes with its upstream, protruding end in an inlet nozzle, which is arranged like the fan motor fixed.
  • a motion compensation element in the form of an elastic lip is arranged, whereby relative movements are compensated.
  • the axial fan has a fixed to the blade tips shroud and in a fan cowl or a Zargenring rotates.
  • the encircling fan casing forms, with the stationary frame ring, an annular gap through which recirculating air flows against the main flow in the fan.
  • Zargenring are arranged in the region of the annular gap in the axial direction, approximately radially inwardly projecting guide surfaces, which should counteract a twist of the recirculation flow.
  • At least one motion compensation element is provided between the guide ring and the fan cover, which seals the relatively movable parts, namely on the one hand the motor-fixed guide ring and on the other hand, the vehicle-fixed fan cover against each other, so that the entire, the heat exchanger enforcing air is supplied to the fan.
  • the benefits associated with the known fan shroud ring and upstream guide ring), in particular its shortened axial design are maintained.
  • the compensation element can be fastened either on the guide ring or on the fan cover - it then rests sealingly on either the fan cover or the guide ring.
  • a fastening function on the guide ring and a sealing function on the fan guard are provided, while in the other case a fastening function on the fan guard and a sealing function on the guide ring are to be represented. Both variants can have their advantages.
  • the fan cover on its rear wall on an annular sealing surface on which rests the compensating element and exerts a sealing function.
  • the sealing surface is preferably formed as a flat surface, which also results in a short axial construction.
  • the compensation element has an annular sealing lip, which bears against the annular sealing surface with an elastic residual stress. The latter results from the fact that the sealing lip is elastically deformed during installation.
  • the guide ring is formed in cross-section approximately C-shaped, wherein the radially inner C-legs form the guide ring and the more radially outer leg a mounting portion.
  • the compensation element can be attached in various ways, for. B, by clamping, by a snap connection or by a strap.
  • the reading, including its attachment portion is arranged substantially flush with the air inlet level of the fan.
  • the guide ring is formed as an inlet nozzle, in which the front, in the flow direction recessed portion of the shroud protrudes. This achieves a further stabilization of the air flow in the blade tip region.
  • the guide ring on struts which preferably engage the attachment portion of the guide ring, are supported relative to the engine block of the internal combustion engine. Due to the motor-fixed arrangement of the guide ring and the fan, a minimal gap and thus increased fan power can be realized.
  • the axial fan downstream of a Nachleitapparat which is preferably integrated into the struts for holding the guide ring.
  • a Nachleitapparat is in the DE 10 2006 037 628 A1 the applicant described in detail. With the Nachleitapparat the efficiency of the fan can be improved and the lateral outflow of the fan flow are made loss-less.
  • the guide ring is supported by struts on the block of the internal combustion engine.
  • Fig. 1 shows in a half section, a cooling device 1, which comprises a coolant radiator 2, a fan cowl 3 and a fan 4, which is driven via a fluid friction clutch 5 by an internal combustion engine, not shown, of a motor vehicle, preferably via the crankshaft.
  • the fan 4 is therefore mounted motor-fixed, ie it performs the same movements as the engine.
  • the coolant cooler 2 is supported on a vehicle frame (not shown in the vehicle) - this also applies to the fan cover 3, which is fixedly connected to the coolant radiator 2. Relative movements therefore occur between the fan cowl 3 and the guide ring 7.
  • the coolant radiator 2 can by further, not shown heat exchanger, for.
  • the fan 4 As intercooler, oil cooler or a condenser for a vehicle air conditioning system to be added to a cooling module.
  • the air flow direction is indicated by an arrow L, ie the fan 4 is arranged sucking.
  • the basic design of the fan 4 corresponds to the construction, as in the aforementioned DE 10 2006 047 236 A1 the applicant is described and illustrated. Thereafter, the fan 4 is formed as an axial fan and has a circumferential outer ring 6, which is associated with a guide ring 7.
  • the fan 4 with shroud 6 and guide ring 7 reference is made to the aforementioned document of the Applicant, the contents of which is fully incorporated into the disclosure of the present application.
  • a motion compensation element 8 hereinafter referred to as compensation element, arranged, which compensates for the relative movements between the fan cowl 3 and guide ring 7 and at the same time causes a seal.
  • the other end of the compensation element 8 is formed as a sealing lip 8 a, which rests against the fan cover 3.
  • the latter has an air passage opening 3a, which is encompassed by an annular sealing surface 3b on which the sealing lip abuts 8a and thus - in the presence of relative movements - can slide in the radial direction.
  • annular sealing surface 3b on which the sealing lip abuts 8a and thus - in the presence of relative movements - can slide in the radial direction.
  • relative movements in the axial direction are possible without the elastically fitting sealing lip 8a lifting off the sealing surface 3b.
  • This arrangement of the compensation element 8 results in a streamlined transition from the inside of the fan cowl 3 in the guide ring 7 and thus in the fan 4.
  • an axially compact design is achieved.
  • Fig. 2 shows a modification of the compensating element and the guide ring, wherein like parts with the same reference numerals as in Fig. 1 are designated.
  • the fan cowl 3 is here only partially, ie essentially shown with its sealing surface 3b.
  • a guide ring 9 is also C-shaped in cross-section, but has a substantially radially extending mounting portion 9a, in which a compensation element 10 is clamped.
  • the latter has an elastically deformable sealing lip 10a, which sealingly abuts against the sealing surface 3b of the fan cowl 3, even when relative movements occur.
  • Fig . 3 shows a further embodiment of a guide ring 11 with compensating element 12.
  • the guide ring 11 is again formed in cross-section C-shaped and has an outer cylindrical mounting portion 11a, which is covered by the compensation element 12 in the manner of a snap connection.
  • the made of an elastic material, for. B. rubber-made compensating element 12 can thus be clipped onto the mounting portion 11 a and then rests with the sealing lip 12 a on the sealing surface 3 b.
  • Fig . 4 shows a further embodiment of a guide ring 13 and a compensating element 14.
  • the guide ring 13 has a cylindrical attachment portion 13a, on which the compensation element 14 is pushed and secured by a clamping band 15 on the guide ring 13.
  • the compensation element 14 has a sealing lip 14a, which bears against the planar sealing surface 3b.
  • the above-described embodiments of the guide rings 7, 9, 11, 13 are each characterized by a C-shaped cross section, in which the upstream part of the shroud 6 protrudes, resulting in the well-known from the above-mentioned prior art effect of an inlet nozzle , A secondary air flow is sucked from the outside, deflected by 180 ° and fed to the blade tip area. This results in a further stabilization of the fan flow.
  • By appropriate design and aerodynamic refinement of the effect of the inlet nozzle can be amplified.
  • Fig . 5 shows a modification of the invention for a fan 16 with a shroud 17, which is associated with a guide ring 18.
  • the substantially cylindrically shaped guide ring 18 is followed by an annular sealing flange 19 via a radius r.
  • an elastically formed annular compensating element 20 is fastened, which abuts against the outside of the sealing flange 19.
  • the compensating element 20 allows relative movements in the radial and axial direction and is characterized by a particularly compact construction in the axial direction.
  • Fig. 6 shows a further embodiment of the invention with a fan 21, a shroud 22 and a guide ring 23 which overlaps in the axial direction with the shroud 22.
  • a mounting portion 23a connects to the guide ring 23, to which on the one hand a compensation element 24 and on the other hand a strut 25 are attached.
  • the guide ring 23 can be attached to the engine block, not shown, so that the fan 21 and guide ring 23 are both arranged fixed to the engine.
  • a minimal gap between the guide ring 23 and the shroud 22 can be realized. This also applies to the previous embodiments.
  • Fig. 7 shows a further attachment possibility of the strut 25 to a guide ring 26, which the embodiment according to Fig. 1 corresponds, the guide ring 26 is C-shaped in cross-section and optionally formed as an inlet nozzle and has a mounting portion 26 a, on which the strut 25 engages. This is one - especially in comparison to Fig. 6 - Achieved shortened axial design.
  • Fig. 8 shows a development of the invention with a fan 27, the C-shaped guide ring 26 and strut 25, which according to the embodiment Fig. 7 correspond.
  • a Nachleitapparat 28 is disposed in the radially outer region, which is attached to the struts 25 and integrated with these,
  • Such a Nachleitapparat 28 is in the DE 10 2006 037 628 A1 the Applicant described in detail and shown: it is in the air flow direction behind the axial fan substantially in the radial direction extending flow guide elements, which influence the exiting Lüfferströmung.
  • Fig. 8a shows a section in the plane Villa-Vllla by a flow guide 28a of the Nachleitapparates 28, the direction of rotation of the fan 27 is indicated by an arrow U.
  • Fig. 8b shows a section through the flow guide 28a in the plane VIIIb-VIIIb.
  • the direction of rotation of the fan is indicated by an arrow U.
  • the design and arrangement of the flow guide elements 28a of the Nachleitapparates 28 results in a delay of the fan outlet flow, combined with a pressure recovery.
  • Fig. 9 shows a further embodiment of a guide ring 30, on which atecsaausretelement 31 is arranged to seal against a fan cowl 32 partially shown.
  • the guide ring 30 has on its inside axially extending, radially inwardly projecting guide surfaces in the form of ribs 30a.
  • Fig. 10 shows an axial fan 33 with a shroud 34, which has a free upstream end ring 34a.
  • Fig. 11 shows the assembly and the interaction of the guide ring 30 according to Fig. 9 and the fan 33 according to Fig. 10 in an enlarged view.
  • the approximately C-shaped guide ring 30 forms with the ring end 34a of the shroud 34 has a circumferential gap 35 with a 180 ° deflection.
  • the flow entering the circumferential gap 35, a recirculation flow, is indicated by an arrow E and the air flow emerging from the circumferential gap 35 is indicated by an arrow A.
  • the main flow through the fan 33 is shown by an arrow S.
  • the recirculation flow is thus deflected in the circumferential gap 35 by 180 °.
  • the incoming recirculation flow according to arrow E applies to the approximately axially extending and approximately radially projecting from the guide ring 30 guide surfaces 30 a, which align the tapped flow in the axial direction, ie eliminate the circumferential component of the recirculation flow or at least reduce significantly. It is thus achieved that the recirculation flow exiting from the circumferential gap 35 enters the main flow S as far as possible without swirling as indicated by arrow A, whereby flow losses in this area are avoided. The efficiency of the fan is thus improved.
  • Fig. 12 shows a view in the axial direction according to the arrows XII-XII in Fig. 9 , It can be seen from the outer part of the guide ring 30a in the radial direction inwardly projecting guide surfaces 30a, which align the recirculation flow axially.
  • Fig. 13 shows a modified fan 36 with a shroud 37, which has a free, inflow-side ring end 37a, which projects beyond the leading edge 36a of the fan blades.
  • This fan 36 can also be combined with the guide ring 30 and the guide surfaces 30a. In this case results in a smaller circumferential gap than in the embodiment according to Fig. 10 respectively.
  • Fig. 11 For this purpose, the fan 33, in conjunction with the guide ring 30 which terminates approximately flush, has a smaller axial depth and is thus optimized for bauratim.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP20100156078 2009-03-10 2010-03-10 Dispositif de refroidissement pour un véhicule automobile Not-in-force EP2236788B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910012025 DE102009012025A1 (de) 2009-03-10 2009-03-10 Kühlvorrichtung für ein Kraftfahrzeug

Publications (2)

Publication Number Publication Date
EP2236788A1 true EP2236788A1 (fr) 2010-10-06
EP2236788B1 EP2236788B1 (fr) 2013-09-11

Family

ID=42331741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100156078 Not-in-force EP2236788B1 (fr) 2009-03-10 2010-03-10 Dispositif de refroidissement pour un véhicule automobile

Country Status (3)

Country Link
US (1) US8573931B2 (fr)
EP (1) EP2236788B1 (fr)
DE (1) DE102009012025A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102351012A (zh) * 2011-08-02 2012-02-15 中联重科股份有限公司 防护罩和车辆
FR2989423A1 (fr) * 2012-04-16 2013-10-18 Valeo Systemes Thermiques Ventilateur pour automobile a encombrement axial reduit
WO2012156045A3 (fr) * 2011-05-13 2014-05-01 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Module ventilateur de radiateur

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KR101724294B1 (ko) * 2010-10-27 2017-04-07 엘지전자 주식회사 공기조화기의 실외기
DE102012023454A1 (de) * 2012-11-30 2014-06-05 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Lüftereinrichtung und Fahrzeug mit einer Lüftereinrichtung
WO2015005832A1 (fr) * 2013-07-12 2015-01-15 Volvo Truck Corporation Système d'échangeur de chaleur pour un véhicule
US10287967B2 (en) 2014-04-30 2019-05-14 Champion Power Equipment, Inc. Integrated oil cooler for internal combustion engine
DE102014210232A1 (de) * 2014-05-28 2015-12-03 MAHLE Behr GmbH & Co. KG Lüfteranordnung
US20170226920A1 (en) * 2016-02-09 2017-08-10 Ford Global Technologies, Llc Cooling module assembly and method of sealing a cooling module assembly
SE1651532A1 (sv) 2016-11-24 2018-05-25 Scania Cv Ab A modular fan shroud assembly and a vehicle
FR3064540B1 (fr) * 2017-04-03 2019-08-02 Valeo Systemes Thermiques Support pour dispositif de ventilation, dispositif de ventilation et module de refroidissement correspondants
DE102017209577A1 (de) * 2017-06-07 2018-12-13 Hanon Systems Gebläselaufrad und Heiz-, Lüftungs- und/oder Klimatisierungssystem mit einem Gebläselaufrad
CN107624019A (zh) * 2017-08-27 2018-01-23 上海曼斐电器贸易有限公司 一种散热性能好的电源时序器
USD860427S1 (en) 2017-09-18 2019-09-17 Horton, Inc. Ring fan
DE102021118148A1 (de) 2021-07-14 2023-01-19 Ebm-Papst Mulfingen Gmbh & Co. Kg Kühlvorrichtung mit zwei stirnseitigen voneinander getrennt anströmbaren Teilflächen
US12018848B2 (en) 2021-11-12 2024-06-25 Trane International Inc. Heat exchanger assembly

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US5143516A (en) * 1989-02-06 1992-09-01 Paccar Inc. Recirculation shield and fan shroud assembly
WO1998037319A1 (fr) 1997-02-21 1998-08-27 Scania Cv Aktiebolag (Publ) Joint destine a une bague de ventilateur
EP0746689B1 (fr) 1993-08-30 2002-04-24 Robert Bosch Corporation Boitier a recirculation controlee pour utilisation avec un ventilateur axial a pales entourees par un anneau cylindrique
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EP2020489A1 (fr) 2007-07-31 2009-02-04 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'un moteur

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Publication number Priority date Publication date Assignee Title
DE3304297C2 (fr) 1982-03-15 1988-05-26 Sueddeutsche Kuehlerfabrik Julius Fr. Behr Gmbh & Co Kg, 7000 Stuttgart, De
US5143516A (en) * 1989-02-06 1992-09-01 Paccar Inc. Recirculation shield and fan shroud assembly
EP0746689B1 (fr) 1993-08-30 2002-04-24 Robert Bosch Corporation Boitier a recirculation controlee pour utilisation avec un ventilateur axial a pales entourees par un anneau cylindrique
WO1998037319A1 (fr) 1997-02-21 1998-08-27 Scania Cv Aktiebolag (Publ) Joint destine a une bague de ventilateur
US20050029027A1 (en) * 2003-07-24 2005-02-10 Yuhei Kunikata Cooling system for vehicle
US20070209613A1 (en) 2004-04-08 2007-09-13 Behr Gmbh & Co. Kg Cooling System
DE102007031462A1 (de) 2006-07-06 2008-01-10 Behr Gmbh & Co. Kg Kühlvorrichtung für ein Kraftfahrzeug
EP1890019A1 (fr) * 2006-08-09 2008-02-20 Behr GmbH & Co. KG Véhicule automobile avec dispositif de refroidissement
DE102006047236A1 (de) 2006-10-04 2008-04-10 Behr Gmbh & Co. Kg Axiallüfter zur Förderung von Kühlluft für eine Kühlvorrichtung eines Kraftfahrzeuges
EP2020489A1 (fr) 2007-07-31 2009-02-04 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'un moteur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012156045A3 (fr) * 2011-05-13 2014-05-01 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Module ventilateur de radiateur
US9714666B2 (en) 2011-05-13 2017-07-25 Brose Fahrzeugteile Gmbh & Co. Kg Cooling fan module
CN102351012A (zh) * 2011-08-02 2012-02-15 中联重科股份有限公司 防护罩和车辆
FR2989423A1 (fr) * 2012-04-16 2013-10-18 Valeo Systemes Thermiques Ventilateur pour automobile a encombrement axial reduit
WO2013156254A1 (fr) * 2012-04-16 2013-10-24 Valeo Systemes Thermiques Ventilateur pour automobile a encombrement axial reduit
US9784277B2 (en) 2012-04-16 2017-10-10 Valeo Systemes Thermiques Motor vehicle fan of reduced axial size

Also Published As

Publication number Publication date
EP2236788B1 (fr) 2013-09-11
US8573931B2 (en) 2013-11-05
US20100229810A1 (en) 2010-09-16
DE102009012025A1 (de) 2010-09-16

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