EP1676087A1 - Radiateur de liquide de refroidissement d'un vehicule automobile - Google Patents

Radiateur de liquide de refroidissement d'un vehicule automobile

Info

Publication number
EP1676087A1
EP1676087A1 EP04765111A EP04765111A EP1676087A1 EP 1676087 A1 EP1676087 A1 EP 1676087A1 EP 04765111 A EP04765111 A EP 04765111A EP 04765111 A EP04765111 A EP 04765111A EP 1676087 A1 EP1676087 A1 EP 1676087A1
Authority
EP
European Patent Office
Prior art keywords
coolant
box
heat exchanger
additional heat
cooler
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Withdrawn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
EP04765111A
Other languages
German (de)
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
Publication of EP1676087A1 publication Critical patent/EP1676087A1/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Withdrawn legal-status Critical Current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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/08—Arrangements of lubricant coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0234—Header boxes; End plates having a second heat exchanger disposed there within, e.g. oil cooler
    • 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
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/04—Lubricant cooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/916—Oil cooler

Definitions

  • the invention relates to a coolant cooler of a motor vehicle according to the preamble of patent claim 1.
  • Coolant coolers for motor vehicles with an integrated oil cooler are known, for. B. by EP-A 0 866 300, DE-A 101 06 515 or DE-A 103 03 542 of the applicant.
  • the oil cooler or another additional heat exchanger is arranged in one of the coolant boxes, preferably in the box on the coolant outlet side, and the outside flows over and cooled by the coolant.
  • Known oil cooler (DE-C 43. 08 858) are designed as disc, plate or flat-tube heat exchanger. They have an oil inlet and an oil outlet nozzle, which are inserted and sealed through corresponding openings in the wall of the coolant box.
  • the oil connections are therefore arranged on the outside of the coolant boxes, which also have a coolant inlet or outlet connection.
  • the coolant inlet connector is located at the top of the inlet box and the coolant outlet connector is located at the bottom of the outlet box, so that the tube-fin block is flowed through almost diagonally.
  • the coolant can collect in front of the outlet nozzle and is sucked out by the coolant pump.
  • the oil cooler is therefore arranged above the outlet nozzle, ie the oil inlet and outlet nozzles are located above the coolant outlet nozzle. In some cases, an arrangement of the coolant
  • the outlet piece is located above the integrated oil cooler and its oil connections.
  • the coolant outlet connection is therefore outside the oil cooler area and its oil connections. This arrangement means that the distance between the oil connections is relatively small or must be reduced - depending on the size of the coolant box.
  • it is therefore necessary either to increase the number of flow channels (disks, flat tubes), that is to say to also design the coolant box higher, or to make the disks or flat tubes wider, which widen the
  • Coolant box or the tube sheet results.
  • An oil cooler with a few disks and a large nozzle spacing is cheaper in terms of cost.
  • a coolant nozzle is arranged between the connection nozzles of the additional heat exchanger. This has the advantage that - for a given coolant box - a larger nozzle spacing of the additional heat exchanger is obtained, ie. H. longer and therefore fewer pipes or discs are required. This lowers the
  • An inner length of the coolant box can thus be used essentially to the full for the length of the additional heat exchanger.
  • the additional heat exchanger is displaced within the coolant box cross section in such a way that the distance to the coolant nozzle is increased.
  • the advantage of an improved coolant, in particular coolant, outlet flow is thus achieved because the coolant can collect better on an inlet or outlet side of the oil cooler due to the increased distance.
  • the coolant nozzle is arranged approximately in the middle between the oil nozzles, which results in a symmetrical and therefore lower-loss coolant flow.
  • arrangements of the coolant connector outside the center between the oil connectors can also be advantageous.
  • the wall of the coolant box, in which the coolant nozzle and the nozzle of the additional heat exchanger are arranged is slightly curved outwards.
  • This has the advantage of a favorable coolant flow from or to the nozzle.
  • the coolant boxes are designed as injection molded plastic parts.
  • all-metal coolers are also possible, in which the coolant boxes are also made of metal, preferably aluminum - as is described in the prior art mentioned at the beginning.
  • An oil cooler for example, can be used as an additional heat exchanger in the coolant box.
  • FIG. 1 shows a coolant cooler with an integrated oil cooler
  • FIG. 2 shows a section through a coolant box with a transmission oil cooler
  • FIG. 2a shows a cross section through the coolant box
  • FIG. 3 shows a section through a coolant box with a curved box wall
  • FIG. 3 shows a cross section through the coolant box
  • FIG. 4 shows a 3-D representation of a coolant box.
  • Fig. 1 shows a coolant / air cooler 1, which is designed as a cross-flow cooler and is installed in the position shown in the engine compartment of a motor vehicle, not shown.
  • the coolant cooler 1 has a cooler block 2 consisting of pipes and fins (not shown), the pipes being arranged horizontally, and so on. the. Ribs to a .solid
  • the ends of the tubes are connected to tube sheets 3, 4, placed on soft coolant boxes 5, 6 and mechanically connected.
  • the coolant boxes 5, 6 are preferably made as plastic tip parts.
  • the coolant box 5 on the left in the drawing has a coolant inlet connection 7 in its upper area, while on the in the
  • an outlet 8 is arranged in the lower, but not in the lowest area.
  • a charge air cooler 9, which is largely covered, is connected to the coolant boxes 5, 6.
  • the coolant cooler 1 is part of a cooling module, which is not shown completely, and its coolant connections 7, 8 are connected to a coolant circuit, not shown, of the internal combustion engine of the motor vehicle.
  • an oil cooler, not shown is arranged, which has two oil connections in the form of oil sockets 10, 11, which protrude from the coolant box 6, ie out of its rear wall 6a and are sealed off from the rear wall.
  • Oil to be cooled for example gear oil of an automatic transmission, not shown, is supplied to the oil cooler via the connector 10 (or 11), and the cooled oil is drawn off via the connector 11 (or 0).
  • F ⁇ g. 2 shows a section through a coolant box 12, which has a front longitudinal wall 13 and a rear longitudinal wall 14, in the middle of which a coolant outlet connection 15 is arranged.
  • An oil cooler 16 is arranged in the interior of the coolant box 12 and is constructed, for example, from flat tubes or disks (as described in the prior art mentioned at the outset) and is held and sealed in the coolant box 12 via an inlet connection 17 and an outlet connection 8 ,
  • a front gap 19 is arranged between the front wall 13 and the oil cooler 16 and a rear gap 20 is arranged between the rear wall 14 and the oil cooler 16, the rear gap 20 being significantly larger than the front gap 19.
  • FIG. 2a shows a cross section through the coolant box 12 in the area of the nozzle 15, the oil cooler 16 being shown schematically as a rectangular cross section. It can also be seen here that the front gap 19 is significantly smaller than the rear gap 20, i. H. the oil cooler 16 has been moved from the center towards the front wall 13. This results in favorable flow and outflow conditions on the coolant side.
  • the coolant box 12, which is again made of plastic, is placed on a metallic tube sheet 21 and mechanically connected to it. A tube end 22 of a flat tube, not shown, is received in the tube sheet 21.
  • the tubes, the corrugated fins and the tube sheet are soldered into a metallic block.
  • the direction of air flow is indicated by an arrow L.
  • FIG. 3 shows a further embodiment of a coolant box 23, which is designed similarly to the coolant box 12 according to FIG. 2, but has an outwardly curved rear wall 24, in which the coolant outlet connection 25 is arranged.
  • FIG. 3a shows the coolant cate 23 in section in the area of the outlet connection 25.
  • the gap 26 here is further enlarged compared to the gap 20 of the embodiment according to FIGS. 2 and 2a.
  • FIGS. 1, 2 and 3 shows a 3-D representation of a coolant box 27 with oil sockets 28, 29 and coolant outlet sockets 30 arranged between them.
  • oil sockets 28, 29 and coolant outlet sockets 30 arranged between them.

Abstract

L'invention concerne un radiateur de liquide de refroidissement d'un véhicule automobile. Ce radiateur comprend un faisceau (2) constitué de tubes et d'ailettes, une chambre d'entrée de liquide de refroidissement (5) présentant une tubulure d'entrée de liquide de refroidissement (7), ainsi qu'une chambre de sortie de liquide de refroidissement (6) présentant une tubulure de sortie de liquide de refroidissement (8) et dans laquelle est disposé un radiateur d'huile présentant des raccords d'huile (10, 11) sortant de la chambre de liquide de refroidissement (6). Selon l'invention, la tubulure de sortie de liquide de refroidissement (8) est disposée entre les raccords d'huile (10, 11).
EP04765111A 2003-10-16 2004-09-13 Radiateur de liquide de refroidissement d'un vehicule automobile Withdrawn EP1676087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348699A DE10348699A1 (de) 2003-10-16 2003-10-16 Kühlmittelkühler eines Kraftfahrzeuges
PCT/EP2004/010189 WO2005038381A1 (fr) 2003-10-16 2004-09-13 Radiateur de liquide de refroidissement d'un vehicule automobile

Publications (1)

Publication Number Publication Date
EP1676087A1 true EP1676087A1 (fr) 2006-07-05

Family

ID=34428482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765111A Withdrawn EP1676087A1 (fr) 2003-10-16 2004-09-13 Radiateur de liquide de refroidissement d'un vehicule automobile

Country Status (6)

Country Link
US (1) US7500514B2 (fr)
EP (1) EP1676087A1 (fr)
BR (1) BRPI0415394A (fr)
DE (1) DE10348699A1 (fr)
WO (1) WO2005038381A1 (fr)
ZA (1) ZA200602980B (fr)

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Also Published As

Publication number Publication date
WO2005038381A1 (fr) 2005-04-28
BRPI0415394A (pt) 2006-12-12
ZA200602980B (en) 2007-10-31
US20070131397A1 (en) 2007-06-14
US7500514B2 (en) 2009-03-10
DE10348699A1 (de) 2005-05-12

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