EP3286415A1 - Refroidisseur d'huile - Google Patents

Refroidisseur d'huile

Info

Publication number
EP3286415A1
EP3286415A1 EP16717371.5A EP16717371A EP3286415A1 EP 3286415 A1 EP3286415 A1 EP 3286415A1 EP 16717371 A EP16717371 A EP 16717371A EP 3286415 A1 EP3286415 A1 EP 3286415A1
Authority
EP
European Patent Office
Prior art keywords
valve housing
cover plate
thermostat valve
oil cooler
thermostatic valve
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
EP16717371.5A
Other languages
German (de)
English (en)
Other versions
EP3286415B1 (fr
Inventor
Stefan Schmidgall
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 International GmbH
Original Assignee
Mahle International 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 Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP3286415A1 publication Critical patent/EP3286415A1/fr
Application granted granted Critical
Publication of EP3286415B1 publication Critical patent/EP3286415B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/005—Controlling temperature of lubricant
    • F01M5/007—Thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F01M2005/004—Oil-cooled engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • F01M2011/031—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means
    • F01M2011/033—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means comprising coolers or heat exchangers

Definitions

  • the present invention relates to an oil cooler with at least two stacked in the stacking direction heat exchanger plates and a cover plate according to the preamble of claim 1.
  • the invention also relates to a method for producing such an oil cooler and to a motor vehicle having such an oil cooler.
  • EP 1 559 980 A1 discloses a generic oil cooler with at least two heat exchanger plates stacked one above the other in the stacking direction and a cover plate, wherein a fluid channel runs between the cover plate and the adjacent heat exchanger plate.
  • a thermostatic valve is provided, which is connected via its thermostatic valve housing fluid-transmitting manner with the fluid channel of the cover plate.
  • a further oil cooler with stacked heat exchanger plates with at least two openings is known, wherein the two openings form two corresponding channels and wherein at intervals between the heat exchanger plates are preferably perpendicular to the channels standing flow channels formed with the channels hydraulically connected.
  • a valve member is provided which opens or closes one of the channels in order to guide the medium flowing there, for example oil, either through the flow channels or through a bypass channel.
  • it is known in hitherto known from the prior art oil coolers to manufacture a thermostatic valve separately and grow this to a finished soldered heat exchanger block.
  • the present invention therefore deals with the problem of providing for an oil cooler of the generic type an improved or at least one alternative embodiment, by means of which, in particular, the oil cooler can be produced more economically.
  • the present invention is based on the general idea to produce a thermostatic valve housing made of a very good solderable material and connect it before the actual soldering with a heat exchanger block of an oil cooler, so that then the entire heat exchanger block are soldered reliably and tightly together with the thermostatic valve housing in a brazing furnace can. Subsequently, this can be controlled with only a single leak test.
  • the oil cooler according to the invention has in a known manner at least two stacked in the stacking direction heat exchanger plates and a cover plate. Between the cover plate and the adjacent heat exchanger plate, a fluid channel extends, wherein the thermostatic valve via its thermostatic valve housing fluid-tight with the fluid channel of the covering plate is connected.
  • the cover plate now has two, in the direction of the thermostatic valve, inflated and thus protruding connecting pieces with a respective edge.
  • the thermostatic valve housing itself is formed of an aluminum profile, in particular of an aluminum extruded profile or a rolled aluminum profile, which is reworked separately and in particular even finished. Due to the embodiment of the thermostatic valve housing made of a material which is particularly suitable for extrusion or rolling, an aluminum alloy can be used, which is easily soldered.
  • the thermostatic valve housing additionally has two connecting pieces formed complementary to the connecting piece, which are mechanically fixed before the actual soldering in the cover plate side connecting piece.
  • the nozzle can be fixed in the cover plate-side connecting piece by means of a press fit, for example caulked or tumbled.
  • the thermostatic valve housing is soldered with its connection piece in the connecting piece of the cover plate, wherein this soldering takes place after fixing together with the soldering of the heat exchanger block in the soldering oven. Due to the mechanical fixation of the thermostat valve housing-side connecting piece in the cover plate-side connecting piece, it is also possible to dispense with an additionally required soldering foil, since the required quantity of solder for tight soldering between the thermostatic valve housing and cover plate can be provided by the one-sided solder-plated cover plate. With the oil cooler according to the invention, this can not only be made cheaper, because for example, separate sealing elements or a double seal test (once for the heat exchanger block separately and the other time in the assembled state) can be dispensed with, but also on a brazing foil.
  • thermostatic valve housing may also be formed from a reworked aluminum profile, between the cover plate and the thermostatic valve housing, however, an adapter plate is additionally arranged.
  • the respective edge of the connecting piece has a conical inner contour, wherein it is additionally or alternatively provided that an outer contour of the connecting piece tapers towards a free end.
  • This can be provided, for example, in the manner of a chamfer.
  • Both such a taper / chamfer and the conical edge formed in the connecting piece facilitates the insertion of the thermostatic valve-housing-side connecting piece into the connecting-piece-side or adapter-plate-side connecting piece, as well as jamming or blocking of the connecting pieces in the connecting pieces.
  • the cover plate on its side facing away from the adjacent heat exchanger plate on a Lotplatt ist.
  • solder plating is present anyway on the cover plate in order to be able to reliably solder it to the adjacent heat exchanger plate.
  • this solder plating is additionally used in order to be able to ensure a tight soldering between the cover plate side connecting piece and the thermostatic valve housing side piece.
  • the adapter plate on its side facing away from the adjacent cover plate on a Lotplatt ist on.
  • the present invention is further based on the general idea to provide a method for producing an oil cooler described above, in which first the thermostatic valve housing as a solid aluminum extruded profile, for example cuboid, is produced. The corresponding inner channels are then subsequently introduced into this aluminum extruded solid profile, for example by drilling, and the outer contours, in particular the connecting pieces, are created, for example by milling or laser cutting.
  • the steps described above can be summarized under the term reprocessing or finishing of the thermostatic valve housing.
  • an adapter plate is provided, at least two heat exchanger plates stacked one above the other in the stacking direction are covered with the cover plate and the adapter plate, before or after the thermostatic valve housing with its two sockets being fixed, in particular caulked or wobbled, into the connection piece of the adapter plate. Subsequently, the heat exchanger plates, the cover plate, the adapter plate and the thermostatic valve body are soldered together.
  • FIG. 1 is a view of an oil cooler according to the invention with arranged on a cover plate thermostatic valve housing,
  • Fig. 6 is an exploded view of an oil cooler according to the invention with an additional adapter plate.
  • an oil cooler 1 has at least two heat exchanger plates 2 stacked one above the other in the stacking direction, as well as a cover plate 3.
  • the term of the oil cooler 1 used previously and below should also include other heat exchangers by means of which other fluids are cooled or tempered.
  • Such an oil cooler 1 is used for example in a commercial vehicle 14.
  • a thermostatic valve 5 which is connected via its thermostatic valve housing 6 fluid-transmitting manner to the fluid channel 4 of the cover plate 3 between the cover plate 3 and the adjacent heat exchanger plate.
  • the cover plate te has two protruding in the direction of the Thernnostatventils 5 connecting piece 7 with an edge 8
  • the thermostatic valve housing 6 has two complementary to the connecting piece 7 formed nozzle 9, which mechanically fixed in the cover plate side connecting piece 7, in particular caulked.
  • the thermostatic valve housing 6 is now formed from a reworked aluminum profile, in particular from a reworked aluminum extruded profile or a rolled aluminum profile, and thereby produced from an aluminum alloy, which can be soldered in an optimum manner.
  • the thermostatic valve housing 6 is soldered via its socket 9 in the connecting piece 7 of the cover plate 3.
  • Fig. 6 it can be seen in the embodiment shown there, that between the cover 3 and the thermostatic valve housing 6, an adapter plate 15 is arranged, wherein the thermostatic valve housing 6 is soldered with its nozzle 9 in connection piece 16 of the adapter plate 15.
  • the adapter plate 15 has in this case two protruding in the direction of the thermostatic valve 5 connecting piece 16 with an edge 8, wherein the thermostatic valve housing 6 is mechanically fixed with its nozzle 9 in the adapter plate side connecting piece 16.
  • the adapter plate 15 is soldered to the cover plate 3, whereby in addition an increase in rigidity can be achieved.
  • deflection channels 17 can be formed in the adapter plate 15. If these deflecting channels 17 were formed directly in the cover plate 3, this could possibly adversely affect the strength of the oil cooler 1. This also makes it possible to position the thermostat almost freely Mostatventils 5 on the adapter plate 15 of the oil cooler 1 possible, which can better take into account external circumstances.
  • the respective edge 8 of the connecting piece 7, 16 has a conical inner contour 10, in particular in the manner of a chamfer, wherein additionally or alternatively, the nozzle 9 to can rejuvenate a free end.
  • Both the conical inner contour 10 and the tapered nozzle 9 can facilitate the insertion of the nozzle 9 in the connecting pieces 7, 16, as well as a fixing, in particular a caulking, the nozzle 9 in the connecting piece 7, 16.
  • the cover plate 3 has a Lotplatt ist mich 1 1, which can be dispensed with an additional Lotabeabe when soldering the thermostatic valve housing 6 with the cover 3.
  • the oil cooler 1 according to the invention is produced as follows:
  • the thermostatic valve housing 6 is made as an aluminum profile, in particular as extruded aluminum profile, for example, the outer contours of the solid profile produced, in particular extruded or rolled thermostatic valve housing 6 is shown in Fig. 3 with broken line drawn. Subsequently, for example, inner channels 12 and the outer nozzle 9 or other components of the thermostatic valve housing 6 by reworking the aluminum full profile, for example by drilling, milling and / or grinding produced. For further production of the oil cooler 1 now at least two stacked in the stacking direction heat exchanger plates 2 are covered with the cover 3, wherein before or after the thermostatic valve housing 6 fixed with its two sockets 9 in the connecting piece 7 of the cover 3, in particular caulked or tumbled, is. The composite shown in FIG.
  • thermosensitive Tatventilgebliuse 6 cover plate 3 and heat exchanger plates 2 can now be soldered in a single Anlagenschntt in a corresponding soldering oven.
  • the thermostatic valve housing 6 is soldered directly to the connecting piece 7 of the cover plate 3 without mechanical prefixing and without a nozzle 9.
  • an adapter plate 15 is provided, then at least two stacked in the stacking direction heat exchanger plates 2 are covered with the cover plate 3 and the adapter plate 15, before or after the thermostatic valve housing 6 fixed with its two nozzles 9 in the connecting piece 16 of the adapter plate 15, in particular caulked or staggered, will. Subsequently, the heat exchanger plates 2, the cover plate 3, the adapter plate 15 and the thermostatic valve housing 6 are soldered together. In this case, of course, no separately formed connecting piece 7 must be provided on the cover plate 3.
  • thermostatic valve housing 6 extruded aluminum alloy
  • a tight soldering between the thermostatic valve housing 6 and the cover plate 3 and the adapter plate 15 can be achieved without, for example, separate seals are required. Due to the common soldering now also only a single leak test sufficient, whereas in known from the prior art oil coolers always the tightness of the heat exchanger block and additionally the tightness of the heat exchanger block and attached thermostatic valve assembly must be checked.
  • thermostatic valve housing 6 Such a lid can be screwed, for example, in the thermostatic valve housing 6, including, for example, a corresponding internal thread 13 is provided.
  • a soldering of the thermostatic valve housing 6 with the cover plate 3, possibly the adapter plate 15 and the heat exchanger plates 2 is usually carried out in the so-called CAB process (Controlled Atmosphere Brazing) or under vacuum, in particular, the first-mentioned soldering already for many years in the production of Aluminium Scriübertragern used and thus tested.
  • CAB process Controlled Atmosphere Brazing
  • thermostatic valve housing 6 can be achieved a significant simplification of the assembly of the oil cooler 1, since the thermostatic valve housing 6 is first pre-fixed via its nozzle 9 in the connecting piece 7 or 16 and then soldered together with the oil cooler 1 in the soldering oven , In this way, in particular, a previously required additional sealing test can be dispensed with, as well as additional sealing elements or fastening means, for example screws, since the caulked and soldered to the cover plate 3 or to the adapter plate 15 and thermostat valve housing 6 is sufficiently fixed to the cover plate 3 or the adapter plate 15 ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un refroidisseur d'huile (1) comportant au moins deux plaques d'échange de chaleur (2) empilées l'une sur l'autre et une plaque de recouvrement (3), un canal de fluide (4) s'étendant entre la plaque de recouvrement (3) et la plaque d'échange de chaleur (2) adjacente, et une vanne thermostatique (6) reliée par l'intermédiaire de son carter (6) de vanne thermostatique au canal de fluide (4) pour la transmission du fluide. L'essentiel de l'invention réside en ce que la plaque de recouvrement (3) présente deux tubulures de raccordement (7) en saillie dans la direction de la vanne thermostatique (5), en ce que le carter (6) de vanne thermostatique est réalisé à partir d'un profilé d'aluminium traité ultérieurement et présente deux tubulures (9) complémentaires aux tubulures de raccordement (7) et fixées dans les tubulures de raccordement (7) côté plaque de recouvrement, en ce que le carter (6) de vanne thermostatique est soudé par ses tubulures (9) dans les tubulures de raccordement (7), ou en ce qu'une plaque adaptatrice (15) est disposée entre la plaque de recouvrement (3) et le carter (6) de vanne thermostatique, le carter (6) de vanne thermostatique étant soudé par ses tubulures (9) dans les tubulures de raccordement (16) de la plaque adaptatrice (15).
EP16717371.5A 2015-04-24 2016-04-19 Refroidisseur d'huile Not-in-force EP3286415B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015207593.1A DE102015207593A1 (de) 2015-04-24 2015-04-24 Ölkühler
PCT/EP2016/058619 WO2016169916A1 (fr) 2015-04-24 2016-04-19 Refroidisseur d'huile

Publications (2)

Publication Number Publication Date
EP3286415A1 true EP3286415A1 (fr) 2018-02-28
EP3286415B1 EP3286415B1 (fr) 2018-12-12

Family

ID=55794975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16717371.5A Not-in-force EP3286415B1 (fr) 2015-04-24 2016-04-19 Refroidisseur d'huile

Country Status (4)

Country Link
US (1) US10107158B2 (fr)
EP (1) EP3286415B1 (fr)
DE (1) DE102015207593A1 (fr)
WO (1) WO2016169916A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD863360S1 (en) * 2016-07-22 2019-10-15 Improved Racing Products, LLC Engine oil line adapter block
US10900557B2 (en) 2018-11-13 2021-01-26 Dana Canada Corporation Heat exchanger assembly with integrated valve with pressure relief feature for hot and cold fluids
DE102020204271A1 (de) 2019-04-05 2020-10-08 Dana Canada Corporation Wärmetauscheranordnung mit integriertem Ventil und Druckbypass
CN113970263A (zh) * 2020-07-25 2022-01-25 浙江三花汽车零部件有限公司 一种换热组件及一种车辆热管理系统
CN112013711A (zh) * 2020-09-09 2020-12-01 浙江银轮机械股份有限公司 引流板及换热器
DE102022202732A1 (de) 2022-03-21 2023-09-21 Mahle International Gmbh Stapelscheiben-Wärmeübertrager für ein Thermomanagementmodul

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9502189D0 (sv) 1995-06-16 1995-06-16 Tetra Laval Holdings & Finance Plattvärmeväxlare
DE19750814C5 (de) 1997-11-17 2005-08-18 Modine Manufacturing Co., Racine Wärmetauscher, insbesondere Ölkühler
FR2853725B1 (fr) * 2003-04-09 2017-06-09 Valeo Thermique Moteur Sa Module de refroidissement a derivation, notamment pour vehicule automobile
DE102004004975B4 (de) 2004-01-31 2015-04-23 Modine Manufacturing Co. Plattenwärmeübertrager
DE202005017975U1 (de) * 2005-08-30 2007-01-11 Mann + Hummel Gmbh Wärmetauscher
DE102005048294A1 (de) 2005-10-08 2007-04-12 Modine Manufacturing Co., Racine Gelöteter Wärmetauscher und Herstellungsverfahren
DE102007010393B4 (de) * 2007-03-03 2011-07-14 Modine Manufacturing Co., Wis. Wärmeübertrager
DE102008020609A1 (de) 2008-04-24 2009-10-29 Mann + Hummel Gmbh Wärmetauscher, insbesondere Ölkühler
JP5298100B2 (ja) * 2010-11-15 2013-09-25 トヨタ自動車株式会社 車両用熱交換器
US9239195B2 (en) * 2011-04-26 2016-01-19 Hyundai Motor Company Heat exchanger for vehicle
JP5983335B2 (ja) * 2011-11-30 2016-08-31 株式会社デンソー 熱交換器
DE112013002728T5 (de) * 2012-05-31 2015-03-19 Dana Canada Corporation Wärmetauscheranordnungen mit integriertem Ventil
JP6298934B2 (ja) * 2014-09-05 2018-03-20 コレンス カンパニー リミテッドＫｏｒｅｎｓ Ｃｏ．，Ｌｔｄ． トランスミッションオイルバイパス組立体
EP3124907B1 (fr) * 2015-07-29 2019-04-10 Zhejiang Sanhua Automotive Components Co., Ltd. Dispositif d'échange de chaleur

Also Published As

Publication number Publication date
US10107158B2 (en) 2018-10-23
EP3286415B1 (fr) 2018-12-12
WO2016169916A1 (fr) 2016-10-27
DE102015207593A1 (de) 2016-10-27
US20180163586A1 (en) 2018-06-14

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