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EP1989500B1 - BOÎTIER AVEC ÉLÉMENT DE MACHINE ROTATIf ET ÉCHANGEUR DE CHALEUR ET PROCÉDÉ DE PRODUCTION - Google Patents

BOÎTIER AVEC ÉLÉMENT DE MACHINE ROTATIf ET ÉCHANGEUR DE CHALEUR ET PROCÉDÉ DE PRODUCTION Download PDF

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Publication number
EP1989500B1
EP1989500B1 EP07702450.3A EP07702450A EP1989500B1 EP 1989500 B1 EP1989500 B1 EP 1989500B1 EP 07702450 A EP07702450 A EP 07702450A EP 1989500 B1 EP1989500 B1 EP 1989500B1
Authority
EP
European Patent Office
Prior art keywords
flat tube
machine element
coolant
heat exchanger
rotating machine
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.)
Not-in-force
Application number
EP07702450.3A
Other languages
German (de)
English (en)
Other versions
EP1989500B8 (fr
EP1989500A1 (fr
Inventor
Viktor Brost
Rainer Käsinger
Ivo Agner
Oliver Nöhl
Johannes Arnold
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.)
Schaeffler Technologies AG and Co KG
Modine Manufacturing Co
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG, Modine Manufacturing Co filed Critical Schaeffler Technologies AG and Co KG
Publication of EP1989500A1 publication Critical patent/EP1989500A1/fr
Application granted granted Critical
Publication of EP1989500B1 publication Critical patent/EP1989500B1/fr
Publication of EP1989500B8 publication Critical patent/EP1989500B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • F28D1/0471—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 bent, e.g. in a serpentine or zig-zag the conduits having a non-circular cross-section
    • 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
    • F28D3/00—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 flows in a continuous film, or trickles freely, over the conduits
    • F28D3/02—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 flows in a continuous film, or trickles freely, over the conduits with tubular conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
    • 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
    • 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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/0273—Cores having special shape, e.g. curved, annular
    • 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
    • F28D2021/0049—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for lubricants, e.g. oil coolers
    • 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
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements
    • F28F2275/122—Fastening; Joining by methods involving deformation of the elements by crimping, caulking or clinching
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making

Definitions

  • the invention relates to a housing having a machine element arranged therein and a heat exchanger integrated therein, comprising at least one tube for heat exchange between a first coolant and a second coolant, which serves for cooling the rotating machine element. Moreover, the invention relates to a suitable manufacturing method.
  • annular heat exchangers serve to cool a first refrigerant flowing through the flat tubes thereof by means of cooling air blown by a fan or the like from inside to outside (or vice versa) by cooling fins arranged between the flat tubes.
  • the flat tubes have been bent over their narrow sides, so you can arrange a plurality of flat tubes side by side and install the fins or the cooling fins for the radially flowing cooling air therebetween.
  • One of many other examples was in the DE 37 21 257 C2 described.
  • a device for cooling an axle assembly which has a chamber formed by a housing with a first fluid contained therein. Within the chamber is a conduit which is flowed through by a second fluid. The line surrounds an axle drive device. The first fluid is cooled by means of the second fluid, whereby the two fluids can not mix.
  • Rotary machine elements may be, for example, clutches or brakes that have a cooling requirement. Addressed are, for example, those - often referred to as wet clutches - torque transmitting organs that run through a coolant sump, usually oil, and which spin off the coolant by their rotation. The coolant then runs, for example, on the housing wall back into the sump and can cool down there.
  • coolant sump usually oil
  • the object of the invention is to provide a housing with a rotating machine element and a heat exchanger integrated therein for cooling a coolant thrown by a rotating machine element, with which efficient cooling can be achieved. It should therefore be made a contribution to the fact that the power transmission could be increased by means of the machine element in a small space.
  • the solution according to the invention results from the features of claim 1.
  • the production method according to the invention is in claim 10.
  • the heat exchanger consists of at least one flat tube and at least one lamella and serves for heat exchange between a first coolant, which flows through the flat tube and a second coolant, which wets the heat exchanger under the influence of centrifugal forces.
  • the second coolant is thereby cooled and is available for further cooling of a rotating machine element, wherein the heat exchanger is approximately annular and is suitable to substantially surround the rotating machine element.
  • the at least one flat tube is formed bent over its broad sides, wherein the lamella is arranged on the inwardly facing broad side. It is the side wetted by the second coolant.
  • the bending of flat tubes over the broadsides is known to be easier to accomplish.
  • the broad sides of the flat tube are thus arranged approximately parallel to the axis of rotation of the machine element.
  • Such a trained and arranged heat exchanger allows active and effective cooling of the second coolant and thus makes both a contribution to increase the power transmission by means of the rotating machine element, as well as a contribution to the amount or space requirements of the second coolant at the same To be able to reduce performance.
  • the resulting in a larger power transmission larger, mainly caused by friction, heat loss amounts are effectively transferred to the first coolant and discharged.
  • the space requirement of the annular heat exchanger in the housing is relatively small.
  • the term "annular" in the sense of the present proposal should not only mean circular but rather encompass any contour course which is suitable for substantially surrounding the rotating machine element.
  • About half of the circumference of the machine element should be enclosed at least by the heat exchanger.
  • the heat exchanger extends around at least almost the entire circumference of the machine element and is integrated in the housing.
  • the lamella is provided with an apertured lining which extends approximately parallel to the broad side of the flat tube and covers the lamella. It is the cladding, for example, a metal strip. This increases the intensity of the heat exchange.
  • the openings are formed and arranged so that the second coolant can flow up to the lamella and up to the broad side of the flat tube and can flow out of the lamella again.
  • the coolant can also flow out on the narrow sides of the lamella or on their longitudinal edges, because the edges need not be covered by the cover. As a result, the residence time of the second coolant in the lamella or on the flat tube is extended, and it can be cooled more intensively.
  • the second coolant flows into a sump or the like collecting trough, in which it can be reached by the rotating machine element.
  • At least one end of the at least one flat tube has an end chamber for supplying or discharging the first coolant.
  • an end chamber is arranged at both ends of the at least one flat tube.
  • the at least one flat tube in which the first coolant flows is either a brazed or welded flat tube with an inner insert, or a flat tube produced by means of extrusion.
  • the lamella has a wave-like contour curve, with numerous staggered sections in the wave flanks, wherein the waveform is provided perpendicular or inclined to the direction of extrusion of the tube. Such fins are known in the field of "oil cooling" in and of itself. This blade cooperates with the panel described above.
  • the cladding is preferably a cover plate which is soldered together with the lamella and the tube.
  • Step a) may include attaching an apertured fairing to the sipe.
  • the end chambers can be connected together during assembly.
  • the Fig. 1 shows in principle the integration of the heat exchanger in the housing.
  • the Fig. 2 shows three sections of the heat exchanger with different pipes.
  • the Fig. 3 shows the annular heat exchanger in a perspective view.
  • the 4 and 5 show details in the area of the end chambers of the heat exchanger.
  • the Fig. 6 shows three possible arrangements of the lamella.
  • the Fig. 7 shows possible training of the panel.
  • the heat exchanger shown in the exemplary embodiment consists of a single flat tube 1 and a slat 2.
  • the flat tube 1 has been bent annularly about the broad sides 10, wherein a substantially annular configuration is shown in the embodiment, the mold design, however, can be almost arbitrarily adjustable.
  • a favorable production sequence of the heat exchanger provides that first a straight flat tube 1 is joined together with a lamella 2 .
  • the middle representation b should be an extruded multi-chamber tube and the right representation c is a flat tube with an inner web.
  • one end chamber 30 and one inlet stub 31 are attached to one end chamber 30 and one outlet stub 32 to the other end chamber 30 .
  • a single end chamber 30 could be provided with a partition wall at one end of the flat tube 1 .
  • the other end of the flat tube 1 would then be simply closed, in the flat tube then a way and a return path for the first coolant would be formed.
  • a blade 2 is applied to a broad side 10 of the flat tube 1 .
  • the cover strip 21 runs approximately parallel to the broad sides 10 of the flat tube 1, and it has numerous openings 20 .
  • the construction is then connected together in a brazing process. Thereafter, the construction is brought into the required shape substantially by means of bending, by means of a known stretch bending process.
  • the Fig. 3 shows a heat exchanger with approximately circular shape. The shape could also be oval or have heels, the stretch bending process is supplemented by appropriate steps to create the heels. (Not shown)
  • Fig. 1 was a section of the overall construction shown, from which a part of the housing 4 and also a part of the rotating machine element 3 can be seen.
  • the housing 4 surrounds the rotating machine element 3.
  • the heat exchanger has been inserted into the housing 4 and fastened.
  • the inlet and outlet ports 31, 32 for the first coolant can be connected outside the housing 4 with a hose connection or the like.
  • Also not shown was an oil sump into which the rotating machine element 3 is immersed.
  • the oil is the second coolant which cools the rotating machine element 3 . Due to the rotation, the oil is thrown away, resulting in the Fig. 1 should be indicated by means of only a few drops 12 .
  • the oil to be cooled flows through the openings 20 into the space in which the blade 2 is located, is cooled intensively and then flows back down into the sump, not shown
  • tabs 33 which can be connected together, so that a relatively stable heat exchanger construction is formed. More details show that 4 and 5 , The connection between the tabs 33 can be done for example by means of "clinching". Such compounds are known as so-called tox compounds in the art. Both tabs are on top of each other. Then the material located under the punch face is pressed into an undercut in the lower flap. Only two Tox - Points 35 were drawn. This connection method is simple, fast and reliable.
  • the Fig. 6 shows that as a corrugated fin 2 such from the field of oil cooling is used.
  • the arrangement of the waves runs in the horizontal direction.
  • the waves run vertically, ie in the extension direction of the flat tube 1.
  • the shaft running direction has been provided inclined by approximately 45 ° to the longitudinal direction. With such simple and inexpensive measures can be acted on the heat exchange in the desired manner.
  • the Fig. 7 shows three exemplary images, which differ by the shape and arrangement of the openings 20 . Also, the area ratio of the openings 20 to the rest of the panel 21 may be different. It is intended to cause the oil to remain in contact with the fin 2 and the flat tube 1 for a long time.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (12)

  1. Boîtier (4) comprenant un élément de machine rotatif (3) disposé dans celui-ci et un échangeur de chaleur intégré dans celui-ci, constitué d'au moins un tube (1) pour l'échange de chaleur entre un premier fluide de refroidissement qui s'écoule à travers le tube (1) et un deuxième fluide de refroidissement qui mouille l'échangeur de chaleur sous l'effet de forces centrifuges, afin d'être refroidi et d'être disponible à son tour pour refroidir l'élément de machine rotatif (3), l'échangeur de chaleur étant réalisé approximativement sous forme annulaire et entourant essentiellement l'élément de machine rotatif (3), caractérisé en ce que l'au moins un tube (1) est un tube plat qui est réalisé sous forme cintrée sur ses côtés larges (10), une lamelle (2) étant fixée au côté large tourné vers l'intérieur, et les côtés larges (10) étant disposés approximativement parallèlement à l'axe de rotation (R).
  2. Boîtier selon la revendication 1, caractérisé en ce que la lamelle (2) est pourvue d'un habillage (21) muni d'ouvertures (20), lequel s'étend approximativement parallèlement au côté large (10) du tube plat.
  3. Boîtier selon la revendication 2, caractérisé en ce que les ouvertures (20) sont réalisées et disposées de telle sorte que le deuxième fluide de refroidissement puisse s'écouler jusqu'à la lamelle (2) et jusqu'au côté large (10) du tube plat (1) et puisse à nouveau s'écouler hors de la lamelle (2).
  4. Boîtier selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième fluide de refroidissement s'écoule dans un puisard ou un bac de réception similaire, dans lequel il peut être atteint par l'élément de machine rotatif.
  5. Boîtier selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une chambre d'extrémité (30) pour l'alimentation et l'évacuation du premier fluide de refroidissement est disposée à une extrémité de l'au moins un tube plat (1).
  6. Boîtier selon l'une quelconque des revendications précédentes 1 à 4, caractérisé en ce qu'une chambre d'extrémité (30) est disposée aux deux extrémités de l'au moins un tube plat (1).
  7. Boîtier selon la revendication 6, caractérisé en ce que des pattes ou des éléments de connexion similaires sont disposés au niveau d'au moins l'une des chambres d'extrémité (30), afin de relier l'une à l'autre les deux chambres d'extrémité (30).
  8. Boîtier selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins un tube plat (1) dans lequel s'écoule le premier fluide de refroidissement est soit un tube plat (1) brasé ou soudé avec un insert intérieur, soit un tube plat fabriqué au moyen d'un procédé d'extrusion.
  9. Boîtier selon l'une quelconque des revendications précédentes, caractérisé en ce que la lamelle (2) présente un contour d'allure ondulée, avec une pluralité de découpes disposées de manière décalée dans les flancs des ondulations, l'allure ondulée étant prévue perpendiculairement ou de manière inclinée par rapport à la direction d'étendue du tube (1).
  10. Procédé de fabrication d'un boîtier (4) avec un élément de machine (3) et un échangeur de chaleur selon l'une quelconque des revendications précédentes 6 ou 7, comprenant les étapes de procédé suivantes :
    a) une lamelle (2) est attachée au côté large (10) de l'au moins un tube plat (1),
    b) une chambre d'extrémité (30) est installée aux deux extrémités du tube plat (1),
    c) les parties sont connectées métalliquement,
    d) une opération de cintrage est réalisée, afin de produire un échangeur de chaleur annulaire adapté pour entourer un élément de machine rotatif (3) afin de refroidir un fluide de refroidissement pour l'élément de machine rotatif (3).
  11. Procédé selon la revendication 10, caractérisé en ce que l'étape a) comprend l'attache d'un habillage (21) pourvu d'ouvertures à la lamelle (2).
  12. Procédé selon les revendications 10 ou 11, caractérisé en ce que les chambres d'extrémité (30) sont au besoin connectées l'une à l'autre.
EP07702450.3A 2006-02-25 2007-02-15 BOÎTIER AVEC ÉLÉMENT DE MACHINE ROTATIf ET ÉCHANGEUR DE CHALEUR ET PROCÉDÉ DE PRODUCTION Not-in-force EP1989500B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006008857A DE102006008857A1 (de) 2006-02-25 2006-02-25 Wärmetauscher und Herstellungsverfahren
PCT/DE2007/000297 WO2007095905A1 (fr) 2006-02-25 2007-02-15 Échangeur de chaleur et procédé de production dudit échangeur

Publications (3)

Publication Number Publication Date
EP1989500A1 EP1989500A1 (fr) 2008-11-12
EP1989500B1 true EP1989500B1 (fr) 2016-04-13
EP1989500B8 EP1989500B8 (fr) 2016-07-20

Family

ID=38137598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07702450.3A Not-in-force EP1989500B8 (fr) 2006-02-25 2007-02-15 BOÎTIER AVEC ÉLÉMENT DE MACHINE ROTATIf ET ÉCHANGEUR DE CHALEUR ET PROCÉDÉ DE PRODUCTION

Country Status (6)

Country Link
US (1) US8033321B2 (fr)
EP (1) EP1989500B8 (fr)
JP (1) JP4982878B2 (fr)
CN (1) CN101389919B (fr)
DE (1) DE102006008857A1 (fr)
WO (1) WO2007095905A1 (fr)

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ITMO20120105A1 (it) * 2012-04-20 2013-10-21 Rossi S P A Modulo di raffreddamento per gruppi riduttori ad ingranaggi
DE102016209321A1 (de) 2016-05-30 2017-11-30 Schaeffler Technologies AG & Co. KG Reibkupplung mit Kühleinrichtung
CN107654627B (zh) * 2017-09-29 2023-11-10 麦格纳动力总成(江西)有限公司 一种湿式双离合器自动变速器内置冷却系统

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Also Published As

Publication number Publication date
CN101389919B (zh) 2011-12-14
JP2009527720A (ja) 2009-07-30
JP4982878B2 (ja) 2012-07-25
CN101389919A (zh) 2009-03-18
US8033321B2 (en) 2011-10-11
DE102006008857A1 (de) 2007-09-20
WO2007095905A1 (fr) 2007-08-30
EP1989500B8 (fr) 2016-07-20
US20090056913A1 (en) 2009-03-05
EP1989500A1 (fr) 2008-11-12

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