EP1773615A2 - Systeme de refroidissement - Google Patents

Systeme de refroidissement

Info

Publication number
EP1773615A2
EP1773615A2 EP05767917A EP05767917A EP1773615A2 EP 1773615 A2 EP1773615 A2 EP 1773615A2 EP 05767917 A EP05767917 A EP 05767917A EP 05767917 A EP05767917 A EP 05767917A EP 1773615 A2 EP1773615 A2 EP 1773615A2
Authority
EP
European Patent Office
Prior art keywords
air
cooling system
heat exchanger
motor vehicle
conveying device
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Withdrawn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
EP05767917A
Other languages
German (de)
English (en)
Inventor
Thomas Bielesch
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 EP1773615A2 publication Critical patent/EP1773615A2/fr
Withdrawn legal-status Critical Current

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • 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
    • F01P2070/00—Details
    • F01P2070/50—Details mounting fans to 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
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/10—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers
    • 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
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • the invention relates to a cooling system for a motor vehicle, comprising at least one heat exchanger, in particular a cooler, which is flowed through by a medium, in particular by coolant, which, for example, serves to cool an internal combustion engine and through which a flow of cooling air flows Depending on the speed of the motor vehicle, it is influenced by an air conveying device, which is spaced apart from the heat exchanger in the axial direction and has a housing which limits the gap between the heat exchanger and the air conveying device to the outside.
  • the air conveyor is formed by a fan, for example.
  • the fan has the task of maintaining a sufficientde ⁇ air flow, if the wind is insufficient, for example, when driving slowly or at a standstill of the vehicle.
  • the required delivery volume of the fan is very different.
  • the pressure build-up required for the delivery of the cooling air flow is mainly provided by the fan.
  • the fan impedes the flow of cooling air, which increases the dynamic pressure.
  • Various measures are known from the prior art to reduce the obstruction of thedeluft ⁇ flow through the fan.
  • German Offenlegungsschriften DE 43 04 336 A1 and DE 39 42 010 A1 and British patent application GB 2311 843 A disclose cooling systems with cooling air dampers which, depending on the dynamic pressure or the Open or close the vehicle speed to affect the flow of cooling air.
  • the cooling louvers are opened at a high back pressure and thus allow a partial bypass of the caused by the fan and possibly by a fan cowl flow resistance.
  • International Patent Application WO 03/013894 A2 and European Patent Application EP 0 919 705 A2 disclose cooling systems in which the cooling air flow in fan operation is dissipated by means of fans arranged laterally relative to the direction of flow through the radiator ,
  • the object of the invention is to provide a cooling system for a motor vehicle, with at least one heat exchanger, in particular a cooler, through which a medium, in particular coolant, flows, for example for cooling an engine, such as an internal combustion engine. and is traversed by a flow of cooling air, which, depending on the speed of the motor vehicle, is influenced by an air conveying device, which is axially spaced from the heat exchanger and has a housing defining the space between the heat exchanger and the Limited air supply device to create, which has a high efficiency and allows under defenceli ⁇ Chen operating conditions sufficient cooling air flow.
  • the object is in a cooling system for a motor vehicle, with at least one heat exchanger, in particular a cooler, which is flowed through by a medium, in particular coolant, which serves, for example, to cool a motor and through which a flow of cooling air flows.
  • a medium in particular coolant, which serves, for example, to cool a motor and through which a flow of cooling air flows.
  • which depending on the speed of the motor vehicle, is influenced by an air conveyor which is axially spaced from the heat exchanger and has a housing which limits the gap between the heat exchanger and the air conveyor to the outside, achieved in that in the housing between the heat exchanger and the air conveyor at least one closable by a closing device air passage opening is provided.
  • the axial direction refers to the longitudinal axis of the motor vehicle.
  • the so-called dynamic pressure operation is the cooling system flows through a cooling air flow along a first air flow path, which runs through the opened air passage opening and through the air conveying device.
  • the so-called fan operation the air passage opening is closed by the closing device and the cooling system is flowed through by ade ⁇ air flow along a second air flow path which extends only through the air conveyor.
  • a preferred exemplary embodiment of the cooling system is characterized in that the closing device comprises a cooling air blind.
  • Vor ⁇ preferably thede povertyjalousie is opened in the dynamic pressure operation and closed in Lüf ⁇ ter religion.
  • a further preferred embodiment of the cooling system is characterized in that the closing device comprises at least one dynamic pressure flap.
  • the at least one dynamic pressure flap may be provided as an alternative or in addition to thede Kunststoffjalousie.
  • a further preferred exemplary embodiment of the cooling system is characterized in that a parallel projection of the air passage area of the air conveying device bounded by the housing in the longitudinal direction of the motor vehicle essentially onto the plane in which the heat exchanger air passage area lies, and the heat exchanger air passage area essentially, that is to 85 +/- 15%, cover. Particularly preferably, the coverage is over 90%.
  • the air conveyor is arranged in the axial direction relative to the heat exchanger. Due to the overlap of the heat exchanger and the air conveyor in the axial direction of the flow resistance against a staggered in the axial direction of the arrangement of heat exchanger and air conveyor is considerably reduced.
  • a further preferred embodiment of the cooling system is characterized in that the heat exchanger is arranged not parallel, but inclined at an angle to the air conveyor. As a result, the space required for the cooling system can be reduced.
  • a further preferred embodiment of the cooling system is characterized in that the angle of inclination between the Lucas-einrich ⁇ device and the heat exchanger 1 to 30 degrees, in particular 10 to 15 degrees. These inclination angles have proven to be particularly advantageous in the context of the present invention.
  • a further preferred exemplary embodiment of the cooling system is characterized in that the air conveying device is arranged between the heat exchanger and the engine. This achieves a high cooling capacity.
  • a further preferred embodiment of the cooling system is characterized in that the air conveying device comprises at least one axial fan and / or Halbaxiallformater. It can also be installed two or more axial fan or Halbaxiallformater.
  • a further preferred embodiment of the cooling system is characterized in that outside the housing in the region of the air passage opening, an air guide is attached.
  • the air guiding device By means of the air guiding device, the cooling air flow discharged from the air passage opening in the dynamic pressure operation can be conducted directly to the engine.
  • a further preferred embodiment of the cooling system is characterized in that the air passage opening is arranged above the Lufttownein ⁇ direction. As a result, the installation of the locking device is simplified.
  • a further preferred embodiment of the cooling system is characterized in that the air passage opening is arranged below the Luft definitionein ⁇ direction. As a result, under certain circumstances, an outflow of air flowing through the air passage opening is improved.
  • a motor vehicle having an internal combustion engine, in particular an engine the above-stated object is achieved in that a previously described cooling system is installed in the motor vehicle.
  • the motor vehicle comprises means for steering at least a part of the air flow to affyunter ⁇ side.
  • the means particularly advantageously comprise an air-guiding device, such as one, two or more spoilers, which are provided on the cooling system, on the underside of the vehicle or on both.
  • the spoiler device is integrally formed with the cooling system and / or a vehicle floor on the underside of the vehicle or fastened thereto, for example glued and / or screwed. Due to the outflow of air to the underside of the vehicle, under some circumstances the suction effect of the cooling system is intensified.
  • Figure 1 is a schematic representation of adessys ⁇ invention tems in longitudinal section
  • FIG. 2 shows the cooling system of Figure 1, wherein different Luftströmungs ⁇ paths are indicated by arrows.
  • FIG. 1 shows a schematic diagram of an exemplary embodiment of the cooling system arranged on a front end of a vehicle in an engine compartment or integrated in a front end module.
  • the cooling system is located between the engine compartment and the front end of the vehicle.
  • At least one air inlet opening (not shown) is provided at the front end of the vehicle, by means of which the cooling system is supplied with an air flow running in the horizontal direction.
  • the air flow which is also referred to as cooling air flow or cooling air flow, passes through the air inlet opening to a heat exchange device 1, which is arranged between the front end of the motor vehicle and a motor 2.
  • a fan 4 is arranged, whose air passage area is bounded by a housing 6, which is also referred to as a fan cowl.
  • the fan 4 is arranged at an angle 7 relative to the heat exchange device 1 inclined.
  • the inclination angle 7 is approximately 15 degrees.
  • the heat exchanger device 1 comprises a first heat exchanger 8 and a second heat exchanger 9.
  • the first heat exchanger 8 is formed by a condenser or gas cooler, which serves to cool the refrigerant, for example WR134a or R744, with which the climate system of the refrigeration system is cooled during operation.
  • the construction and the function of the capacitor or gas cooler 8 are generally known, so that they will not be discussed further here.
  • the heat exchanger 8 is flowed through by the air flow supplied via the air inlet opening. In this case, the air flow occurs on the front side of the heat exchanger 8 and on the back of the heat exchanger 8, without being deflected in the heat exchanger.
  • the second heat exchanger 9 is arranged between the internal combustion engine 2 and the heat exchanger 8.
  • the second heat exchanger 9 it is, for example, a coolant radiator or a ⁇ lküh ⁇ ler.
  • the intermediate space between the heat exchanger device 1 and the fan 4 is limited laterally and upwardly and downwardly by the fan cowl 6, relative to the longitudinal axis 10 of the vehicle.
  • an air passage opening 11 is provided, which is closed by ade Kunststoffjalousie 14.
  • the cooling-air shutter 14 can also be replaced by dynamic pressure flaps.
  • further air passage openings may be provided at the top, bottom or sides in the housing 6 or in the area of the fan 4.
  • the air guide plate 18 has, viewed in section, essentially the shape of a quarter-circle arc which is curved towards the engine 2.
  • the air guide plate 18 serves to guide a cooling air flow emerging from the air passage opening 11 toward the engine 2.
  • the incoming cooling air flow is indicated by arrows 21 to 23 ange ⁇ .
  • arrows 25 and 26 in the space between the heat exchange device 1 and the fan 4 it is indicated that the cooling air flow reaches the fan 4 without major deflection and consequently with low flow resistance from the heat exchange device 1 when the cooling air shutter is closed , This is the case, for example, when driving uphill or idling.
  • the exiting cooling air flow during fan operation is indicated by arrows 28 to 31.
  • thede povertyja ⁇ lousie 14 is opened so that, as indicated by arrows 34 and 35, a portion of the cooling air flow passes through the air passage opening 11 and is deflected on the air baffle 18.
  • the cooling air flow flows both via the preferably switched off fan 4 and through the opened air passage opening 11.
  • the cooling system according to the invention is distinguished above all by a reduced installation space requirement and a low flow resistance in the dynamic pressure operation. Due to the low flow resistance required during operation fan power can be kept relatively low.
  • Thede povertyjalousie can be replaced with appropriate flaps by Staudruck ⁇ .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un système de refroidissement pour automobile, comportant au moins un échangeur de chaleur (8, 9), notamment un radiateur, parcouru par une substance, en particulier un fluide réfrigérant, qui sert par exemple à refroidir un moteur (2) et qui est parcouru par un écoulement d'air de refroidissement sur lequel agit, en fonction de la vitesse de l'automobile, un dispositif de refoulement d'air (4), à distance de l'échangeur de chaleur (8, 9), dans le sens axial et présente un boîtier (6) qui délimite vis-à-vis de l'extérieur l'espace intermédiaire compris entre l'échangeur de chaleur (8, 9) et le dispositif de refoulement d'air (4).
EP05767917A 2004-07-28 2005-07-04 Systeme de refroidissement Withdrawn EP1773615A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004036668 2004-07-28
PCT/EP2005/007185 WO2006012962A2 (fr) 2004-07-28 2005-07-04 Systeme de refroidissement

Publications (1)

Publication Number Publication Date
EP1773615A2 true EP1773615A2 (fr) 2007-04-18

Family

ID=35063411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05767917A Withdrawn EP1773615A2 (fr) 2004-07-28 2005-07-04 Systeme de refroidissement

Country Status (3)

Country Link
EP (1) EP1773615A2 (fr)
JP (1) JP2008508459A (fr)
WO (1) WO2006012962A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2927485A1 (fr) * 2015-04-17 2016-10-17 Vermeer Manufacturing Company Un systeme de refroidissement de moteur comportant un ventilateur de garniture de refroidissement basse vitesse
US11906353B2 (en) 2018-06-11 2024-02-20 Meta Platforms Technologies, Llc Digital pixel with extended dynamic range

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188875A (en) * 1968-01-25 1970-04-22 Vauxhall Motors Ltd Motor Vehicle Cooler Systems.
DE3150152A1 (de) * 1981-12-18 1983-06-30 Daimler-Benz Ag, 7000 Stuttgart "spoiler fuer kraftwagen"
DE3322338A1 (de) * 1982-07-01 1984-01-05 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.H.C. Hans List, 8020 Graz Kraftfahrzeug mit einer wassergekuehlten brennkraftmaschine als antriebsmotor
JPS59224415A (ja) * 1983-06-01 1984-12-17 Nippon Denso Co Ltd ラジエ−タ冷却装置
DE3414609C1 (de) * 1984-04-18 1985-06-20 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zur Beeinflussung eines Kuehlluftstromes
DE3446950C1 (de) * 1984-12-21 1986-05-22 Bayerische Motoren Werke AG, 8000 München Steuervorrichtung fuer die Kuehlluft luft-fluessigkeits-gekuehlter Brennkraftmaschinen,insbesondere von Kraftfahrzeugen
GB2174652A (en) * 1985-05-09 1986-11-12 Ford Motor Co Engine cooling system
CA2055964C (fr) * 1990-11-23 2001-01-23 Sumio Susa Systeme de refroidissement pour moteur a combustion interne refroidi a l'eau dans un vehicule automobile equipe d'un climatisateur d'air

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006012962A2 *

Also Published As

Publication number Publication date
WO2006012962A3 (fr) 2006-08-10
WO2006012962A2 (fr) 2006-02-09
JP2008508459A (ja) 2008-03-21

Similar Documents

Publication Publication Date Title
EP1753943B1 (fr) Systeme de refroidissement
DE102007036475A1 (de) Kühlmodul
EP1713656B1 (fr) Systeme radiateur d'un vehicule automobile
DE102008020310B4 (de) Kraftfahrzeug mit zwei Wärmetauschern
WO2003013894A2 (fr) Systeme de refroidissement pour vehicules, et procede de regulation d'au moins un flux massique d'air traversant un radiateur
WO2005100760A1 (fr) Systeme de refroidissement
DE102004034313B4 (de) Kühlmittelleitungsanordnung
DE102005024444A1 (de) Kühlsystem
DE102010026323A1 (de) Kühleranordnung für ein Kraftfahrzeug
DE102006045421A1 (de) Kühlluftdurchführung durch ein Kühlerpaket in einem Fahrzeug
DE102009053769B4 (de) Vorrichtung zur Regelung einer Luftzufuhr zu einem Motorraum eines Kraftfahrzeugs
DE102011011250A1 (de) Kühlsystem für ein Kraftfahrzeug und Verfahren zu dessen Steuerung sowie Kraftfahrzeug
DE10308084B4 (de) Kühleinrichtung für ein Kraftfahrzeug-Antriebsaggregat
EP1890019B1 (fr) Véhicule automobile avec dispositif de refroidissement
WO2006012962A2 (fr) Systeme de refroidissement
EP1486650A1 (fr) Dispositif de refroidissement pour un véhicule automobile
DE4227565C1 (de) Waermetauscher in einem kraftfahrzeug
DE102005031474A1 (de) Kühlsystem
EP3616950B1 (fr) Véhicule automobile doté d'un échangeur de chaleur
DE102010046147A1 (de) Kühlsystem eines Kraftfahrzeuges sowie Kraftfahrzeug
EP1966000A1 (fr) Arrangement de ventilateur pour véhicule automobile
EP1284343B1 (fr) Système de refroidissement pour un véhicule automobile et véhicule automobile correspondant
DE102014219746A1 (de) Kraftfahrzeug mit einem von Kühlluft durchströmten Motor- und Aggregateraum
EP1483486A1 (fr) Module de radiateur avant refroidi par air
DE19754174A1 (de) Kraftfahrzeug mit einer Fahrgastzelle oder Fahrerkabine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070228

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

R17P Request for examination filed (corrected)

Effective date: 20070228

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20120606

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20121017