EP1452820A2 - Appareil de refroidissement - Google Patents

Appareil de refroidissement Download PDF

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Publication number
EP1452820A2
EP1452820A2 EP04002114A EP04002114A EP1452820A2 EP 1452820 A2 EP1452820 A2 EP 1452820A2 EP 04002114 A EP04002114 A EP 04002114A EP 04002114 A EP04002114 A EP 04002114A EP 1452820 A2 EP1452820 A2 EP 1452820A2
Authority
EP
European Patent Office
Prior art keywords
cooling unit
receptacle
fastening means
latching
hook
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
EP04002114A
Other languages
German (de)
English (en)
Other versions
EP1452820B1 (fr
EP1452820A3 (fr
Inventor
Klaus Dipl.-Ing. Kalbacher
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP1452820A2 publication Critical patent/EP1452820A2/fr
Publication of EP1452820A3 publication Critical patent/EP1452820A3/fr
Application granted granted Critical
Publication of EP1452820B1 publication Critical patent/EP1452820B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
    • Y10T24/45529—Requiring manual force applied against bias to interlock or disengage

Definitions

  • the invention relates to a cooling unit for motor vehicles with a fan hood and with heat exchangers, of which at least one heat exchanger has header boxes, wherein fasteners on the edge of the fan hood interact with fasteners on the header boxes or with fasteners on a mounting frame and at least one of the fasteners as an elastic latching hook with one Locking nose and is formed with a stop for the locking nose.
  • a known cooling unit of the type described above is apparent from DE 42 44 037 C2. In this cooling unit, fasteners on the edge of the fan cover interact with fasteners on the header boxes of a heat exchanger.
  • the fan hood can also be installed in the known cooling unit if the cooling unit is already installed in a motor vehicle, the dismantling of the fan hood seems to be still easier, because in order to solve the elastic snap hooks formed on both header boxes of the heat exchanger, this means to be able to release them from their locking position, a tool must be used. Given the usually existing dimensions of the cooling unit, it seems at first glance that it is difficult for a single installer to release both latching hooks at the same time, but this is necessary in order to remove the fan hood.
  • a U-shaped mounting frame was provided in DE 100 61 561 A1 or, for example, in WO 99/47875.
  • the mounting frame there is one (or more) heat exchanger, which is fastened in a suitable manner.
  • Fastening means are arranged on the mounting frame, which cooperate with fastening means on the edge of the fan hood.
  • the mounting frame shown there has a crossbar as a single part, which is to be attached between the two free legs of the frame in order to give the mounting frame the necessary rigidity.
  • the object of the invention is to further improve the described and in themselves advanced solutions, in particular with regard to the disassembly of the fan cover.
  • the solution according to the invention results from the features in the characterizing part of claim 1. Because the elastic locking hook is formed on the edge of the fan hood - not on the collecting box - which snaps into place in a receptacle on the collecting box or on the mounting frame when the fan hood is attached, and because an extension is formed above the connection point of the locking hook, with a pressure force on the extension the detachable hook is detachable and the fan cover can be removed, the assembly, but above all the disassembly, of the fan cover has been further simplified, because a single person is able to use a tool to release the detent hook by pressing on the extension and to remove the fan cover to take out at the top.
  • the latching hook forms a fixed bearing between the fan cover and the collecting box in its snap-in position with the approximately U-shaped (two-legged) receptacle.
  • the latching hook can be positively latched into the receptacle, so that in the upward and downward Z direction the latching lug is limited in movement in the receptacle (above) and below by the engagement of the latching hook on the bottom of the receptacle the latching hook in the Y direction (transverse direction of the vehicle) engages around one leg of the receptacle on both sides, and that the latching hook in the X direction (longitudinal direction of the vehicle) has only slight play between the two legs of the receptacle.
  • the locking hook in connection with the receptacle is the only fastening means on one side of the cooling unit.
  • an extension is formed which extends to one leg of the receptacle in order to secure the latching hook against unintentional loosening.
  • the extension also acts as a support and thus distributes the absorption forces, thereby preventing the breakage of the reception or the locking hook.
  • the upper fastening means On the side of the cooling unit opposite the latching hook, three fastening means are arranged, of which the upper fastening means is designed as a further fixed bearing. In cases where a U-shaped installation frame open at the top is used, the two fixed bearings have the effect that an upper cross member between the two legs of the installation frame can be omitted.
  • Two additional fasteners are arranged on the opposite transverse sides (Y direction) of the cooling unit, which are designed as pins and hooks on the edge of the fan hood, which are to be fastened to the side parts of the heat exchanger at the top and bottom.
  • the upper and lower fasteners are not arranged on a common vertical.
  • the upper fastening means are preferably closer to the left or right collecting box than the lower fastening means.
  • FIG. 1 shows a perspective view from behind of the cooling unit and
  • FIG. 2 shows an enlarged section, specifically around the latching hook.
  • 3 shows a very simplified perspective view of a second exemplary embodiment.
  • the cooling unit of the exemplary embodiment is designed with a cross-flow cooler as the heat exchanger 2 , in which the header boxes 3 , 4 are arranged vertically on the left and right side of the heat exchanger 2 in the installation position shown.
  • the collecting boxes 3 , 4 are made of plastic.
  • a fan hood 1 also made of plastic, has been arranged in front of the heat exchanger 2 , as seen in the direction of travel (FIG. 2 -X direction) of the motor vehicle.
  • the fan cover 1 has a central opening which is surrounded by a frame 31 .
  • Carriers 32 run from the frame 31 in a star shape towards the center.
  • a fan 30 with a drive unit is mounted in the center in a manner not shown and known per se.
  • the fan 30 draws in cooling air through the network of the heat exchanger 2 , which is blown out in the direction of the engine compartment, in order to be used there for further cooling purposes and then to be discharged thereafter.
  • the network of the heat exchanger 2 consists of flat tubes 50 with corrugated fins 40 arranged between them, only a few of which have been indicated.
  • the cooling unit also includes an oil cooler 60 , which is fastened to the fan cover 1 in a manner not shown here and which is used to cool the transmission oil by means of the circulating coolant of the internal combustion engine, which is also not shown.
  • a plurality of fastening means 5a are arranged on the edge 6 thereof, which cooperate with corresponding ones 5b on the header boxes 3 and 4 and on the side parts 25 (top), 26 (bottom) of the heat exchanger 2 . It does not really have to be mentioned that all of the fastening means 5a, 5b formed on the collecting boxes 3, 4 are made of plastic with a certain elasticity. Towards the upper side part 25 there are two fastening means 5 , only one of which can be seen and two fastening means 5 are also provided below.
  • fastening means 5a, 5b are provided on the left edge 6 of the fan hood 1 or on the left header box 3 , which will be discussed in more detail below (FIG. 2), and three fastening means 5a, 5b are provided on the opposite side, two of which can be seen.
  • Two of these three fastening means 5 consist of a hook-like support 5b, which are formed on the collection box 4 and, wherein the protrusions 5a in the supports 5b engage from pin-like projections 5a which are integrally formed on the edge 6 of the fan hood 1 when preparing the fan hood 1 from above, , 1 shows one of these fastening means 5a, 5b on the right side.
  • a further fastening means 5a, 5b is designed as a fixed bearing.
  • the fixed bearing is designed so that tolerances between the heat exchanger 2 and the fan cover 1 can be compensated.
  • a fastening element 22 is provided through an opening (not shown) in the fastening means on the fan hood side (projection 5a ) and a blind hole (also not shown) in the collecting box 4 .
  • the fastening element 22 is located at the upper end of the cooling unit, and consequently at a very easily accessible location, and it can be removed with a single movement in the event of disassembly.
  • the already mentioned upper fastening means are hooks which grip over the edge of the upper side part 25 and the lower fastening means 5 are pins on the edge 6 of the fan cover 1 , which are inserted into suitable slots in the lower side part 26 . It should be apparent from FIG. 1 that the upper fastening means 5 are arranged somewhat closer to the collecting box 3 or 4 than the lower fastening means 5 .
  • FIG. 2 shows the details of the fastening means 5a , which are important in the present context, on the left edge 6 of the fan hood 1 and on the left collecting box 3 in an enlarged detail, however, the locked position of the latching hook 7 is shown in FIG. 1 and in FIG 2 the situation before insertion or after loosening is shown.
  • a projection extends from the edge 6 of the fan hood 1 and is formed in the exemplary embodiment from three reinforced profiles 23 , 24 , 27 .
  • the profiles 23 , 24 , 27 converge in a connection point 10 , in which the locking hook 7 is combined with the profiles 23 , 24 , 27 .
  • the locking hook 7 has on its front side a locking lug 8 pointing in the X direction and, at approximately the same height, on its rear side an extension 20 pointing in the opposite direction . Further above, an extension 11 has been formed, which is for releasing the locking hook 7 is used. Below the connection point 10 , the locking hook 7 is designed in the manner of a U with two legs 28 , 29 .
  • the fastening means 5b on the collecting box 3 consist of a receptacle 9 for the latching hook 7 .
  • the receptacle 9 comprises a two-legged support with the cheeks 14 and 15 and with a bottom 13 where the two cheeks 14 , 15 unite.
  • a stop 12 formed above the collecting box 3 , on which the catch 8 of the catch hook 7 engages.
  • the two legs 28 and 29 of the locking hook 7 include the cheek 14 of the receptacle 9 and the support. In the end position, the latching hook 7 lies on the bottom 13 of the support and the latching lug 8 is latched exactly below the stop 12 . Between the cheeks 14 and 15 , the locking hook 7 has only little play. It can thus be seen that the latching hook 7 forms a fixed bearing in the receptacle 9 , because there is no freedom of movement.
  • the above-mentioned extension 20 on the latching hook 7 comes into contact with the cheek 14 from the inside, thereby preventing the fan hood 1 from being released (for example, unintentionally) under the influence of vibrations during operation.
  • a pressure force is to be exerted on the extension 11 of the latching hook 7 in the direction of the arrow drawn above the extension 11 , whereupon the latching lug 8 is released and the fan hood 1 can be removed upwards by means of the extension 11 .
  • the end of the extension 11 is preferably formed with a recess for manual operation with a finger.
  • FIG. 3 shows a basic embodiment with a mounting frame 70 , which can be made of metal or plastic.
  • a mounting frame 70 On the mounting frame 70 there are bearings (not shown) with damping elements for supporting the cooling unit in the vehicle.
  • the mounting frame 70 has two legs 71 and 72 and a lower cross member 73 connecting the same.
  • heat exchangers 2 are inserted and fastened in a manner not shown. Often there are a plurality of heat exchangers 2 arranged one behind the other in the cooling air flow direction in the mounting frame 70 .
  • the outline of the heat exchanger 2 was shown by a dotted line.
  • the edge 6 of the fan cover 1 and its central opening were drawn by means of a dash-dot line.
  • the fan hood 1 gives the mounting frame 70 sufficient rigidity, so that - in contrast to the prior art - an upper cross member between the legs 71 and 72 does not have to be provided.
EP04002114A 2003-02-21 2004-01-31 Appareil de refroidissement Expired - Fee Related EP1452820B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10307488 2003-02-21
DE10307488A DE10307488A1 (de) 2003-02-21 2003-02-21 Kühlaggregat

Publications (3)

Publication Number Publication Date
EP1452820A2 true EP1452820A2 (fr) 2004-09-01
EP1452820A3 EP1452820A3 (fr) 2005-11-09
EP1452820B1 EP1452820B1 (fr) 2007-03-07

Family

ID=32748021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04002114A Expired - Fee Related EP1452820B1 (fr) 2003-02-21 2004-01-31 Appareil de refroidissement

Country Status (3)

Country Link
US (1) US7007744B2 (fr)
EP (1) EP1452820B1 (fr)
DE (2) DE10307488A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3739179A1 (fr) * 2019-05-16 2020-11-18 Valeo Autosystemy SP. Z.O.O. Système de refroidissement avec un ensemble de carénage

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
JP2007131245A (ja) * 2005-11-11 2007-05-31 Calsonic Kansei Corp 車両用エアガイド構造
US7703730B2 (en) * 2006-10-20 2010-04-27 Denso International America, Inc. Fastenerless attachment system applied to vehicle engine cooling module components
US9618281B2 (en) * 2010-04-22 2017-04-11 Denso International America, Inc. Heat exchange device
US9091468B2 (en) * 2011-06-23 2015-07-28 Denso International America, Inc. Fastener incorporated with nut provision
DE102012009950A1 (de) * 2012-05-18 2013-11-21 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Kühlerlüftermodul
US11326506B2 (en) * 2019-07-03 2022-05-10 Ford Global Technologies, Llc Vehicle fan shroud with integrated support structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244037A1 (de) * 1992-12-24 1994-06-30 Behr Gmbh & Co Kühlaggregat für einen Verbrennungsmotor
FR2794170A1 (fr) * 1999-05-28 2000-12-01 Renault Dispositif de fixation d'une buse de ventilateur a des elements du groupe refroidisseur d'un moteur a combustion interne de vehicule automobile
US6315034B1 (en) * 1998-10-29 2001-11-13 Valeo Thermique Moteur Automobile heat exchanger module comprising a fan shroud and a heat exchanger, in particular for motor vehicle

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US3947932A (en) * 1974-04-05 1976-04-06 Gozlan Brothers Limited Jewellery clasp
US4282634A (en) * 1979-12-21 1981-08-11 Jack Krauss Buckle
DE3536457A1 (de) * 1985-10-12 1987-06-25 Sueddeutsche Kuehler Behr Waermetauscher, insbesondere kuehler fuer kraftfahrzeuge
US5086547A (en) * 1990-05-29 1992-02-11 The Napier Company Box and catch assembly for bracelets, necklaces, etc.
JP2548469B2 (ja) * 1991-09-30 1996-10-30 ワイケイケイ株式会社 バックル
US5219016A (en) * 1992-06-15 1993-06-15 General Motors Corporation Radiator, condenser and fan shroud assembly
DE4421835A1 (de) * 1994-06-22 1996-01-04 Behr Gmbh & Co Wärmetauscher, insbesondere Kühler für Verbrennungskraftmaschinen von Nutzfahrzeugen
DE19526286A1 (de) * 1995-07-19 1997-01-23 Behr Gmbh & Co Wärmeübertrager
JP2001124486A (ja) * 1999-10-25 2001-05-11 Denso Corp 熱交換器
JP4505955B2 (ja) * 2000-06-20 2010-07-21 株式会社デンソー 送風機の取付構造
JP4201967B2 (ja) * 2000-09-25 2008-12-24 カルソニックカンセイ株式会社 樹脂部材の取付構造
JP4461609B2 (ja) * 2000-11-10 2010-05-12 トヨタ自動車株式会社 電動ファンシュラウドの取付構造
US6615460B1 (en) * 2002-08-27 2003-09-09 David Baumgarten Optionally manual or automatic breakaway lanyard buckle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244037A1 (de) * 1992-12-24 1994-06-30 Behr Gmbh & Co Kühlaggregat für einen Verbrennungsmotor
US6315034B1 (en) * 1998-10-29 2001-11-13 Valeo Thermique Moteur Automobile heat exchanger module comprising a fan shroud and a heat exchanger, in particular for motor vehicle
FR2794170A1 (fr) * 1999-05-28 2000-12-01 Renault Dispositif de fixation d'une buse de ventilateur a des elements du groupe refroidisseur d'un moteur a combustion interne de vehicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3739179A1 (fr) * 2019-05-16 2020-11-18 Valeo Autosystemy SP. Z.O.O. Système de refroidissement avec un ensemble de carénage

Also Published As

Publication number Publication date
DE502004003089D1 (de) 2007-04-19
EP1452820B1 (fr) 2007-03-07
DE10307488A1 (de) 2004-09-23
US7007744B2 (en) 2006-03-07
EP1452820A3 (fr) 2005-11-09
US20040250987A1 (en) 2004-12-16

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