WO2010003717A1 - Unité de ventilation pour le refroidisseur d'un véhicule automobile - Google Patents

Unité de ventilation pour le refroidisseur d'un véhicule automobile Download PDF

Info

Publication number
WO2010003717A1
WO2010003717A1 PCT/EP2009/055719 EP2009055719W WO2010003717A1 WO 2010003717 A1 WO2010003717 A1 WO 2010003717A1 EP 2009055719 W EP2009055719 W EP 2009055719W WO 2010003717 A1 WO2010003717 A1 WO 2010003717A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
fan unit
unit according
motor vehicle
heat
Prior art date
Application number
PCT/EP2009/055719
Other languages
German (de)
English (en)
Inventor
Klaus Waltenberg
Michael Metzger
Original Assignee
Mann+Hummel 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 Mann+Hummel Gmbh filed Critical Mann+Hummel Gmbh
Priority to DE112009001384.8T priority Critical patent/DE112009001384B4/de
Publication of WO2010003717A1 publication Critical patent/WO2010003717A1/fr

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
    • 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
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air

Definitions

  • the invention relates to a fan unit for the radiator of a motor vehicle
  • the air conditioning motor vehicles are provided with coolers in operation
  • the invention is based on the object, a generic Lappeler ⁇
  • the fan frame has a supporting grid with openings, wherein
  • the at least partially forming the fan frame as a supporting grid increases the effectiveness of the acoustically damping and heat-insulating material in which the grid can enter only very limited sound and heat in the damping and insulating material due to its large openings.
  • the supporting grid holds the fan frame in the form of a whole, but allows in the region of its openings an unobstructed unfolding of the acoustic damping and heat-insulating effect of the openings filling material.
  • the total area of the openings in an air-guiding region of the fan cowl is at least about the same size as and in particular greater than the total area of the grid.
  • the air guide unit with fan shroud is a unit closed to the engine compartment, on which an acoustically damping and heat-insulating material is applied at least to parts of this closed surface.
  • a closed surface simplification in the tool is possible because a substantially closed surface of the air guide unit, in contrast to the lattice structure described above, a boundary surface for the insulating material, on this the insulating material as a separately manufactured molding with the air guide unit by gluing, screwing or Welding can be applied. Small recesses or Recesses in the surface of the air guide unit can serve for a positive and connection of the insulating material with this.
  • the acoustically damping and heat-insulating material is sprayed directly onto the closed plastic surface of the air guide unit.
  • the material may cover portions of the air-guiding unit as well as the entire plastic surface.
  • acoustically damping and heat-insulating material As an acoustically damping and heat-insulating material different materials come into consideration. Preference is given to a closed cell material with good sound and heat insulating properties. A low weight, good corrosion resistance against all media in the engine compartment of a motor vehicle and a heavy flammability are also an important criterion. For a good compromise between heat-insulating or acoustically damping effect on the one hand and a low total weight on the other hand, a density of the material in a range of 0.02 g / inclusive has been found to be advantageous. cm 3 to 0.5 g / cm 3 and preferably from about 0.03 g / cm 3 exposed.
  • the fan frame engineering plastics As a suitable material for the fan frame engineering plastics have proven, especially polyamide as a thermoplastic with a proportion of fillers for reinforcement or for a better surface.
  • the fan unit is preferably embodied in a glass-fiber-reinforced polyamide 6, which can be produced in a simple manner by injection molding.
  • the material for acoustic damping and heat insulation is adhered to the fan frame or knotted in this. Particularly advantageous is the injection of the material to the fan cowl, so that the parts are inextricably linked.
  • the fan unit has at least one exhaust duct, which is guided specifically by the fan cowl to an above-average warm point of the motor vehicle.
  • the exhaust air duct is a duct leading to a brake of the motor vehicle, a duct leading to an oil pan of the motor vehicle and / or a duct leading to an underbody of the motor vehicle.
  • the exhaust duct or ducts are curved in such a way that between a duct start and a duct end of the respective exhaust air duct there is no line of sight within it.
  • the sound waves passing through the curved exhaust air duct with the air flow are broken several times, which contributes to an overall reduction of the sound emission.
  • the channel beginning of the exhaust duct is based on a geodetic height direction at the same height or above the channel end.
  • a convective self-discharge of the heat stored in the radiator and the drive motor is avoided when the fan or the vehicle, since no chimney effect can be set in the exhaust duct.
  • at least one exhaust duct is advantageously provided with an opening under the influence of the flow-induced back pressure back pressure flap. When the vehicle is stationary and the fan is stationary, this dynamic pressure flap is closed. Only when a back pressure in the corresponding exhaust duct arises as a result of the wind or fan operation, this dynamic pressure flap opens and releases the passing air flow. This prevents convective self-discharge at standstill. Overall, unwanted heat losses with concomitant increased pollutant emissions are avoided.
  • connection point of the exhaust duct is formed on the fan frame elastically yielding. The body sound entry from the fan cowl to the exhaust duct is reduced, as a result of which the total noise emission is further reduced.
  • Figure 2 is an exploded view of the fan unit of Figure 1;
  • FIG. 3 which is designed as a supporting grid provided with openings
  • FIG. 4 the fan cowl according to FIG. 3, whose openings in the lattice with PUR
  • Figure 5 shows an air guide unit without fan frame with closed Ober ⁇
  • Fig. 1 shows a perspective view of a L shareholder ⁇ invention
  • ter founded comprises a fan shroud 2, the downstream of a not dar- connected cooler connects.
  • An air-conducting region 14 of the fan frame 2 rises approximately annularly around a radially inner support 18 and a radially outer frame 19.
  • the fan frame 2 is shown in the usual installation and operating position relative to a geodetic elevation 11 indicated by an arrow. From radial peripheral portions of the air-conducting area 14 branch off different exhaust air ducts 6, 7, 8, which are flowed through in operation according to arrows 15, 16, 17, starting from the fan frame 2.
  • the two laterally left and right arranged exhaust ducts 6 each lead to a left or right, not shown front brake of the motor vehicle, the brake discs and brake calipers are cooled by the cooling air flow of the arrows 15.
  • the branching off in the radially lower portion of the fan frame 2 exhaust duct 7 leads to an oil pan of the motor vehicle, not shown, which is cooled by the passing cooling air flow according to the arrow 16.
  • the reference to the geodetic elevation 11 lower exhaust duct 8 leads downwards and seen in the direction of travel of the vehicle to the rear, so that the arrow 17 corresponding passing air flow is guided under the underside of the motor vehicle, not shown.
  • the example of the exhaust ducts 6 is shown that they are based on the flow direction indicated by the arrows 15 with a channel start 9 adjacent to the fan frame 2 and to a channel end 10th to lead.
  • the channel end 10 may be an air outlet opening or may be formed as a connecting flange to a subsequent air line leading to an air outlet opening at a further point in the engine compartment.
  • the channel ends 10 lie approximately at the same height as the channel starts 9.
  • the other exhaust ducts 7, 8 are their unspecified channel beginnings relative to the geodetic elevation 11 above the associated channel ends.
  • the example leading to the oil pan exhaust duct 7 has a dynamic pressure flap 12, which closes the exhaust duct 7 in the idle state.
  • the example of the exhaust ducts 6 can be seen that this is curved so that between its channel start 9 and its channel end 10 no within the corresponding exhaust duct. 6 extending line of sight exists. Analogously, the same applies to the other exhaust ducts 7, 8. Passing sound waves are broken several times, whereby the noise emission is reduced.
  • Fig. 2 shows an exploded view of the arrangement according to Fig. 1, according to which the centrally disposed within the air-conducting portion 14 carrier 18 is provided for mounting the fan 1.
  • the attachment of the fan 1 on the support 18 is vibration-damped, whereby the body sound is minimized by the running fan 1 in the fan frame 2.
  • the fan frame 2 has still different connection points 13 for the exhaust air ducts 6, 7, 8, which are formed elastically yielding. As a result, a structure-borne sound transmission, between the fan frame 2 and the connected exhaust air ducts 6, 7, 8 is reduced.
  • the yielding connection points take over the function of a tolerance compensation of the components.
  • the exhaust ducts 6, 7, 8 lead from the fan frame 2 to so-called "hot spots" of the motor vehicle, ie such places with above-average heat development.
  • the flowing through, indicated by the arrows 15, 16, 17 cooling air flows are used for targeted cooling of these thermally stressed points.
  • the fan frame 2 aerodynamically tight, so that no further, uncontrolled proportions of air flow enter the engine compartment.
  • 3 shows a perspective view of a part of the fan cowl according to FIGS. 1 and 2, which is designed as a plastic injection molded part, and in the air-conducting area 14, ie that portion which the aerodynamically effective part of the fan 1 (FIG. Fig. 2) encloses, as supporting grid 3 is executed.
  • Large-area openings 4 are provided between the comparatively thin bars of the grid 3, the total area of which is at least approximately as large as, and in the embodiment shown, larger than the total area of the grid 3 and also of its grid bars in the air-guiding area 14.
  • Radial inside the grid 3 is formed as a circular plate support 18 for the fan 1 (Fig. 2), while radially outside of the grid 3 in the outer contour rectangular, otherwise flat closed frame 19 connects.
  • the injection-molded component of the fan frame 2 shown here is formed in one piece as a whole.
  • Fig. 4 shows the finished fan frame according to Fig. 3, in which the openings 4 of the grid 3 shown in Fig. 3 are filled with an acoustically damping and heat-insulating material 5.
  • a PUR foam whose density is in a range of from 0.02 g / cm 3 to 0.5 g / cm 3 inclusive is selected in the exemplary embodiment shown.
  • the acoustically damping and heat-insulating material 5 has a density of about 0.03 g / cm 3 .
  • Fig. 5 shows an embodiment of an air guide unit, which is mounted as a separate part of the fan frame 2.
  • the plastic surface of the air guide unit is closed in contrast to the embodiment with a grid structure, so that the acoustically damping and heat-insulating material 5 can be easily applied to the air guide unit.
  • the wall consists of a plastic wall and a substantially parallel to the surface arranged damping and heat-insulating material. Thus, no installation space taking up cavities and an additional assembly of the material is not required.
  • the heat-insulating and sound-damping material can also be mounted on the side facing the fan wheel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne une unité de ventilation pour le refroidisseur d'un véhicule automobile. L'unité de ventilation comprend un ventilateur (1) et un bâti de ventilateur (2) qui porte le ventilateur (1). Le bâti de ventilateur (2) présente une grille porteuse (3) dotée d'ouvertures. Les ouvertures sont remplies d'un matériau (5) acoustiquement et thermiquement isolant.
PCT/EP2009/055719 2008-07-09 2009-05-12 Unité de ventilation pour le refroidisseur d'un véhicule automobile WO2010003717A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112009001384.8T DE112009001384B4 (de) 2008-07-09 2009-05-12 Lüftereinheit für den Kühler eines Kraftfahrzeuges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008009178.0 2008-07-09
DE202008009178U DE202008009178U1 (de) 2008-07-09 2008-07-09 Lüftereinheit für den Kühler eines Kraftfahrzeuges

Publications (1)

Publication Number Publication Date
WO2010003717A1 true WO2010003717A1 (fr) 2010-01-14

Family

ID=40946451

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/055719 WO2010003717A1 (fr) 2008-07-09 2009-05-12 Unité de ventilation pour le refroidisseur d'un véhicule automobile

Country Status (2)

Country Link
DE (2) DE202008009178U1 (fr)
WO (1) WO2010003717A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010038350A1 (de) * 2010-07-23 2012-02-16 Bayerische Motoren Werke Aktiengesellschaft Kühlluftführungsbaugruppe für ein Kraftfahrzeug sowie Kraftfahrzeug
US20160009170A1 (en) * 2014-07-14 2016-01-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Air conducting apparatus for outgoing air guidance

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015224344A1 (de) * 2015-12-04 2017-06-08 Mahle International Gmbh Axiallüfter mit Lüfterhaube
DE102017222048A1 (de) * 2017-12-06 2019-06-06 Bayerische Motoren Werke Aktiengesellschaft Anordnung zum Abführen von Wärme bei einem Kraftfahrzeug-Wärmeaustauscher
DE102018104831A1 (de) * 2018-03-02 2019-09-05 Volkswagen Aktiengesellschaft Lüfteranordnung für ein Kraftfahrzeug
DE102020104509B8 (de) * 2020-02-20 2021-07-22 Ford Global Technologies Llc Verfahren zur Optimierung eines Kraftfahrzeug-Kühlsystems

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Publication number Priority date Publication date Assignee Title
JPH06336143A (ja) * 1993-04-01 1994-12-06 Toyoda Gosei Co Ltd エンジンルームの防音材
US5775450A (en) * 1996-05-06 1998-07-07 General Motors Corporation Vehicle underhood component cooling system
JP2000238687A (ja) * 1999-02-19 2000-09-05 Suzuki Motor Corp 自動二輪車の冷却装置
EP1813788A1 (fr) * 2006-01-31 2007-08-01 Deere & Company Machine agricole

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US3395775A (en) * 1965-11-12 1968-08-06 Solar A Division Of Internat H Vibration damping composite
EP0074941B1 (fr) * 1981-09-11 1986-09-10 Kazda, Herbert, Dipl.-Ing. Dr.techn. Agencement insonorisant d'un moteur à combustion interne
JP2001234746A (ja) * 2000-02-25 2001-08-31 Mazda Motor Corp 車両の冷却風導入構造
FR2816361B1 (fr) * 2000-11-08 2003-03-14 Faurecia Ind Ensemble comprenant un echangeur de chaleur, un ventilateur et des moyens de canalisation d'un ecoulement d'air, et vehicule automobile correspondant
DE10242788B4 (de) * 2002-09-14 2004-09-16 Dr.Ing.H.C. F. Porsche Ag Kühleranordnung mit Luftführungskanälen
JP4179088B2 (ja) * 2003-07-24 2008-11-12 株式会社デンソー 車両の冷却システム
WO2007045030A1 (fr) * 2005-10-18 2007-04-26 Ghd Pty Ltd Enceinte de moteur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06336143A (ja) * 1993-04-01 1994-12-06 Toyoda Gosei Co Ltd エンジンルームの防音材
US5775450A (en) * 1996-05-06 1998-07-07 General Motors Corporation Vehicle underhood component cooling system
JP2000238687A (ja) * 1999-02-19 2000-09-05 Suzuki Motor Corp 自動二輪車の冷却装置
EP1813788A1 (fr) * 2006-01-31 2007-08-01 Deere & Company Machine agricole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010038350A1 (de) * 2010-07-23 2012-02-16 Bayerische Motoren Werke Aktiengesellschaft Kühlluftführungsbaugruppe für ein Kraftfahrzeug sowie Kraftfahrzeug
US20160009170A1 (en) * 2014-07-14 2016-01-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Air conducting apparatus for outgoing air guidance
CN105253010A (zh) * 2014-07-14 2016-01-20 F·波尔希名誉工学博士公司 用于引导排气的导气装置
KR101735192B1 (ko) * 2014-07-14 2017-05-24 독터. 인제니어. 하.체. 에프. 포르쉐 악티엔게젤샤프트 토출 공기를 안내하기 위한 공기 유도 장치
US9827844B2 (en) * 2014-07-14 2017-11-28 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Air conducting apparatus for outgoing air guidance

Also Published As

Publication number Publication date
DE112009001384B4 (de) 2014-03-27
DE202008009178U1 (de) 2009-11-19
DE112009001384A5 (de) 2011-04-07

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