US20090294098A1 - Fastening device for a heat exchanger unit and vehicle equipped with a heat exchanger unit - Google Patents

Fastening device for a heat exchanger unit and vehicle equipped with a heat exchanger unit Download PDF

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Publication number
US20090294098A1
US20090294098A1 US11/721,509 US72150906A US2009294098A1 US 20090294098 A1 US20090294098 A1 US 20090294098A1 US 72150906 A US72150906 A US 72150906A US 2009294098 A1 US2009294098 A1 US 2009294098A1
Authority
US
United States
Prior art keywords
heat exchanger
exchanger unit
vehicle
fastening
fastened
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.)
Abandoned
Application number
US11/721,509
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English (en)
Inventor
Reinhard Heine
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
Assigned to BEHR GMBH & CO. KG reassignment BEHR GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HEINE, REINHARD
Publication of US20090294098A1 publication Critical patent/US20090294098A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/084—Radiator supports

Definitions

  • Vehicles especially motor vehicles, usually have a heat exchanger unit which is arranged in the front region of the vehicle, in particular behind a radiator grill, but still in front of the drive assembly of the vehicle.
  • the heat exchanger unit is in this case held, in particular, indirectly on the vehicle frame.
  • the vehicle frame is in this case normally formed by a longitudinal member on each vehicle side and a bending member connecting these two longitudinal members.
  • the bending member lies in front of such a heat exchanger unit which serves, for example, for the cooling of operating media, such as cooling water, refrigerant and engine/transmission oil, by ambient air flowing through.
  • the bending member serves, in the event of collisions, for the introduction of loads into the longitudinal members of the vehicle and for distributing the load arising to the two vehicle sides, deformation elements being arranged between the bending member and the longitudinal member.
  • the heat exchanger unit in this case has upper and lower fastening points on both vehicle sides in order to be held securely in the vehicle.
  • the lower fastening points typically lie level with the longitudinal members and the upper fastening points in the region of what is known as the locking crossmember which is itself supported on the bending member and on the vehicle longitudinal members and runs above the bending member in the vehicle transverse direction.
  • the heat exchanger unit In a collision in which the deformation elements are deformed, the heat exchanger unit is to remain as intact as possible in order to maintain the driveability of the vehicle and to minimize repair costs.
  • the object of the invention is to provide, for a heat exchanger unit, a fastening possibility which as largely as possible affords this intactness of the heat exchanger unit even when the free space between the bending member and the engine arranged between the longitudinal members is small.
  • a fastening device for a heat exchanger unit on a vehicle has an upper and a lower fastening point on each vehicle side.
  • the heat exchanger unit is fastened at least indirectly to the vehicle frame on both sides by the fastening points.
  • a holding bracket is provided, which connects the upper and the lower fastening point to one another, the holding bracket being fastenable at least indirectly to the vehicle longitudinal member.
  • the holding bracket affords a fastening device which, in the same way as a frame part running in the vertical direction, makes it possible to fasten the heat exchanger unit at only one location on each vehicle side.
  • the mounting of the heat exchanger unit is independent of the different fastening on the upper and lower front region (locking crossmember or bending member) and can also be comoved with a displacement of the fastening location on the longitudinal member or the deformation elements.
  • the heat exchanger unit therefore remains undamaged over a larger range.
  • a holding bracket is therefore to be provided on each vehicle side, and it is provided in each case on that edge region of the heat exchanger unit which lies in the vehicle transverse direction.
  • the holding bracket In order to ensure a reliable mounting of the heat exchanger unit in the vertical direction, there is in this case preferably provision for the holding bracket to extend vertically over a large region of the heat exchanger.
  • the at least indirect fastening of the holding bracket to the vehicle longitudinal member is in this case to be designed such that a tilting of the holding bracket is prevented. This may take place, in particular, by means of two fastening points spaced vertically apart from one another.
  • vibration dampers are provided at the upper and the lower fastening point between the holding bracket and the heat exchanger unit.
  • This affords a shock-absorbing mounting which is suitable for absorbing load peaks.
  • the connection between the holding bracket and deformation element is preferably made rigidly.
  • the holding bracket is preferably of essentially D-shaped design. In this case, the holding bracket forms the bent portion of the imaginary D, while the heat exchanger unit forms the linear back.
  • a vehicle has a vehicle frame with longitudinal members spaced apart from one another and with a bending member which connects the longitudinal members to one another in the transverse direction and runs in front of the longitudinal members.
  • Deformation elements are arranged between the longitudinal member and bending member.
  • a heat exchanger unit is supported on the vehicle frame. According to the invention, there is provision for the heat exchanger unit to be fastened only to the deformation elements and, via these, indirectly to the longitudinal member.
  • this type of design makes it possible to arrange the heat exchanger unit further forward, nearer to the bending member, and thereby to gain greater free space behind the heat exchanger.
  • the fastening location of the heat exchanger unit on the deformation element is selected in such a way that the heat exchanger unit remains free of damage in the event of maximum deformation of the deformation element. This ensures that, in the event of a collision, the energy of which is so low that only a deformation of the deformation element takes place, the heat exchanger unit is comoved only with the deformation element and the fastening point which is displaced, without damage to the heat exchanger unit, for example due to contact with the drive assembly lying behind it or with its secondary assemblies, occurring.
  • At least one of the elements comprising the bending member and the deformation elements has in each case at least one flange for fastening to one another, the heat exchanger unit being fastened to these flanges.
  • These flanges are in any case to be provided and afford the possibility in a simple way of providing fastening points of the heat exchanger unit.
  • fastening may take place on flanges located on the bending member side.
  • the heat exchanger unit is fastened to the deformation elements, in each case a fastening location for the heat exchanger unit being formed in a deformation region. This constitutes an alternative to fastening to the connecting flanges between the deformation element and the bending member.
  • holding brackets according to the invention are provided on both sides for fastening the heat exchanger unit.
  • the fastening, defined in the vertical direction, of the heat exchanger unit is thereby made possible in a particularly beneficial way.
  • FIG. 1 shows a diagrammatic cross-sectional drawing of a vehicle front region
  • FIG. 2 a, 2 b show the top view of the fastening of the heat exchanger unit according to FIG. 1 on a vehicle side before and after a collision;
  • FIG. 3 shows the cross-sectional illustration of FIG. 1 in two separate part drawings.
  • FIG. 1 shows a diagrammatic partly sectional side view of the heat exchanger unit 10 which is fastened to the deformation element 12 via the holding bracket 11 .
  • the deformation element 12 extends as far as the bending member 13 .
  • the deformation element 12 projects axially forward from the longitudinal member 14 in the vehicle longitudinal direction.
  • the corresponding top view is shown in FIG. 2 a and 2 b.
  • FIG. 3 shows the view of FIG. 1 in two separate part figures, the upper figure half showing the situation before a collision and the lower figure half showing the situation after a collision.
  • the holding bracket 11 extends in the vertical direction and connects the upper fastening points 15 and the lower fastening points 16 of the heat exchanger unit to one another.
  • a rubber buffer 17 is provided between a fastening sleeve 18 located on the holding arm side and a fastening dowel 19 located on the heat exchanger side.
  • the holding arm 11 extends arcuately between the upper and the lower fastening point 15 , 16 .
  • the fastening dowels 19 of the heat exchanger unit and of the upper and the lower fastening point 15 and 16 are in this case oriented at right angles to one another, one in the vertical direction and the other in the transverse direction of the vehicle.
  • the heat exchanger unit 10 is of essentially self-supporting design, but may have a lateral auxiliary frame which serves for connecting different part elements of the heat exchanger unit to one another. Such an auxiliary frame then preferably extends over both fastening points 15 and 16 of a vehicle side, and it may, furthermore, surround the heat exchanger unit 10 on all sides (transverse direction and vertical direction).
  • the holding bracket 11 is fastened to the deformation element 12 at two adjacent connecting locations 20 provided vertically one above the other.
  • a fastening region 22 is formed which can be seen more clearly in the top view in FIG. 2 a, 2 b. Rubber buffers 17 may in each case likewise be provided at the fastening locations 20 .
  • the holding bracket 11 with the connecting locations 20 and the heat exchanger unit 10 with its fastening points 15 , 16 provide a fastening device for the heat exchanger unit 10 .
  • this fastening device By means of this fastening device, the heat exchanger is held solely on the deformation elements 12 .
  • a vehicle with a corresponding fastening of the heat exchanger unit 10 solely to the deformation element 12 of the longitudinal member 14 is produced.
  • the fastening on the fastening region 22 of the deformation element 12 may be replaced by the fastening on the connecting flange between the deformation element 12 and bending member 13 .
  • the connecting flange may in this case be formed both on the bending member side and on the deformation element side.
  • FIG. 1 and FIGS. 2 a, 2 b show the position of the bending member 13 and of the heat exchanger unit 10 before ( FIG. 2 a ) and after ( FIG. 2 b ) a collision in which the deformation element has been deformed plastically by being folded up in a concertina-like manner.
  • X and Y designate the displacement travels of the bending member 13 and heat exchanger unit 10 which can be achieved without damage to the longitudinal member 14 and heat exchanger unit 10 .
  • collision energy is in this case absorbed and nullified.
  • FIG. 1 illustrates the situation before the collision more thinly than after the collision, of the initial position before the collision only the holding arm 11 being shown, and the heat exchanger unit 10 being illustrated only in the end position after the deformation of the deformation element 12 .
  • FIG. 2 a shows the top view before a collision
  • FIG. 2 b a top view after the collision.
  • FIG. 3 shows the view of FIG. 1 in two separate part figures, the upper figure half showing the situation before a collision and the lower figure half showing the situation after a collision.
  • the position of the heat exchanger unit 10 is shifted rearward by the amount of the displacement travel X during the deformation of the deformation elements 12 .
  • the position of the bending member 13 changes in this case by the amount of the displacement travel Y which is correspondingly greater.
  • the ratio of the displacement travels X and Y to one another is in this case dependent on the position of the fastening region 22 and the deformation element 12 and is determined according to the space conditions in the vehicle.
  • the illustration of FIG. 3 otherwise corresponds to that of FIG. 1 , and therefore reference is made to the relevant description.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Body Structure For Vehicles (AREA)
US11/721,509 2005-01-14 2006-01-10 Fastening device for a heat exchanger unit and vehicle equipped with a heat exchanger unit Abandoned US20090294098A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005002068.2 2005-01-14
DE102005002068A DE102005002068A1 (de) 2005-01-14 2005-01-14 Befestigungseinrichtung für eine Wärmetauschereinheit und Fahrzeug mit einer Wärmetauschereinheit
PCT/EP2006/000147 WO2006074900A1 (fr) 2005-01-14 2006-01-10 Dispositif de fixation pour unite d'echangeur de chaleur et vehicule equipe d'une unite d'echangeur de chaleur

Publications (1)

Publication Number Publication Date
US20090294098A1 true US20090294098A1 (en) 2009-12-03

Family

ID=36117635

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/721,509 Abandoned US20090294098A1 (en) 2005-01-14 2006-01-10 Fastening device for a heat exchanger unit and vehicle equipped with a heat exchanger unit

Country Status (5)

Country Link
US (1) US20090294098A1 (fr)
EP (1) EP1841613B1 (fr)
AT (1) ATE517776T1 (fr)
DE (1) DE102005002068A1 (fr)
WO (1) WO2006074900A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080272608A1 (en) * 2007-05-04 2008-11-06 Gm Global Technology Operations, Inc. Frontal structure for a motor vehicle
JP2016150696A (ja) * 2015-02-18 2016-08-22 トヨタ自動車株式会社 ラジエータサポート構造

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007007607A1 (de) * 2007-02-13 2008-08-14 Behr Gmbh & Co. Kg Schutzvorrichtung für einen Wärmetauscher eines Kraftfahrzeugs
DE102013012952A1 (de) 2013-08-02 2014-03-06 Daimler Ag Fahrzeug
DE102016203806A1 (de) 2015-04-16 2016-10-20 Ford Global Technologies, Llc Befestigungseinrichtung für ein Kühlmodul

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US3840259A (en) * 1970-09-02 1974-10-08 Daimler Benz Ag Bumper arrangement
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US20090058135A1 (en) * 2007-09-05 2009-03-05 Suzuki Motor Corporation Front part structure of vehicle body
US20090085373A1 (en) * 2007-10-01 2009-04-02 Mazda Motor Corporation Front end structure for automobile
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US3789944A (en) * 1970-09-02 1974-02-05 Daimler Benz Ag Motor vehicle front end construction
US3840259A (en) * 1970-09-02 1974-10-08 Daimler Benz Ag Bumper arrangement
US3860258A (en) * 1972-10-05 1975-01-14 Ford Motor Co Bumper support and energy absorbing frame system for a motor vehicle
US3912295A (en) * 1974-03-04 1975-10-14 Budd Co Crash energy-attenuating means for a vehicle frame construction
US4031978A (en) * 1975-05-28 1977-06-28 Tayco Developments, Inc. Energy absorber unit and energy management system
US4272114A (en) * 1976-12-22 1981-06-09 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Impact absorbing device
US4541645A (en) * 1982-12-16 1985-09-17 Daimler-Benz Aktiengesellschaft Vehicle radiator mounting
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US4770234A (en) * 1986-04-28 1988-09-13 Mazda Motor Corporation Resilient support for automobile radiator
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US6260609B1 (en) * 1999-02-24 2001-07-17 Honda Giken Kogyo Kabushiki Kaisha Radiator attachment structure
US6540275B1 (en) * 1999-06-28 2003-04-01 Mazda Motor Corporation Structure of the front of a vehicle body
US6412581B2 (en) * 1999-11-30 2002-07-02 Honda Giken Kogyo Kabushiki Kaisha Radiator mounting structure
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US7410018B2 (en) * 2001-03-15 2008-08-12 Fuji Jukogyo Kabushiki Kaisha Vehicle body front structure
US7013951B2 (en) * 2001-03-15 2006-03-21 Daimlerchrysler Ag Front part of a motor vehicle having a fender unit
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US7108092B2 (en) * 2001-09-14 2006-09-19 Honda Giken Kogyo Kabushiki Kaisha Front grill impact-absorbing structure for a vehicle
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US7258392B2 (en) * 2005-08-18 2007-08-21 Ford Global Technologies, Llc Automotive vehicle front architecture with a partially rotatable structural link
US7516994B2 (en) * 2005-08-26 2009-04-14 Kojima Press Industry Co., Ltd. Pedestrian protection apparatus for vehicle
US7517006B2 (en) * 2006-01-31 2009-04-14 Mazda Motor Corporation Front structure of automotive vehicle
US7540543B2 (en) * 2006-03-27 2009-06-02 Chrysler Llc Front bumper energy absorber with integrated debris grille
US20090184526A1 (en) * 2006-04-06 2009-07-23 United States Dept. Of The Treasury Front Section for a Motor Vehicle
US7575271B2 (en) * 2006-06-13 2009-08-18 Kojima Press Industry Co., Ltd. Pedestrian protection apparatus for vehicle
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080272608A1 (en) * 2007-05-04 2008-11-06 Gm Global Technology Operations, Inc. Frontal structure for a motor vehicle
US8002072B2 (en) 2007-05-04 2011-08-23 GM Global Technology Operations LLC Frontal structure for a motor vehicle
JP2016150696A (ja) * 2015-02-18 2016-08-22 トヨタ自動車株式会社 ラジエータサポート構造

Also Published As

Publication number Publication date
DE102005002068A1 (de) 2006-08-03
EP1841613B1 (fr) 2011-07-27
ATE517776T1 (de) 2011-08-15
EP1841613A1 (fr) 2007-10-10
WO2006074900A1 (fr) 2006-07-20

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Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION