EP1063486A1 - Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge - Google Patents

Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge Download PDF

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Publication number
EP1063486A1
EP1063486A1 EP00401418A EP00401418A EP1063486A1 EP 1063486 A1 EP1063486 A1 EP 1063486A1 EP 00401418 A EP00401418 A EP 00401418A EP 00401418 A EP00401418 A EP 00401418A EP 1063486 A1 EP1063486 A1 EP 1063486A1
Authority
EP
European Patent Office
Prior art keywords
plates
heat exchanger
fluid
undulations
exchanger according
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
EP00401418A
Other languages
English (en)
French (fr)
Other versions
EP1063486B1 (de
Inventor
Ana Isabel Munoz
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.)
Valeo Thermique Moteur SA
Original Assignee
Valeo Thermique Moteur SA
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 Valeo Thermique Moteur SA filed Critical Valeo Thermique Moteur SA
Publication of EP1063486A1 publication Critical patent/EP1063486A1/de
Application granted granted Critical
Publication of EP1063486B1 publication Critical patent/EP1063486B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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

Definitions

  • the invention relates to heat exchangers, in particular for motor vehicles.
  • It relates more particularly to a heat exchanger comprising a multiplicity of stacked plates provided each of a raised peripheral edge, and in which said peripheral edges are tightly assembled to delimit between the plates the first flow channels for a first fluid which alternate with second channels flow for a second fluid.
  • a heat exchanger of this type also called a “heat exchanger with plates “, or” blade exchanger ", is known in particular according to the publication DE-A-195 11 991.
  • Such a heat exchanger heat is used for example as a cooler automotive oil, for cooling engine oil or cooling the oil of the automatic gearbox, by exchange thermal with coolant, usually the one used to cool the vehicle engine.
  • the plates are usually made by stamping a metal sheet, and are stacked so that their peripheral edges respective fit into each other and be then brazed together to seal, which used to define fluid circulation channels.
  • the heat exchanger thus results from a stack of plates and does not require a housing.
  • An inlet manifold and a manifold are then provided. outlet for a first fluid which communicate with a first series of channels, as well as an inlet pipe and an outlet for a second fluid which communicate with a second set of channels, so that the channels of the first series alternate with the channels of the second series.
  • the plates have openings located to the right of the aforementioned tubing and alternatively sealed, or by stampings, either by added rings, to ensure or prohibit the passage of one or the other fluid.
  • the plates have a generally planar bottom and is provided in each flow channel, a disturbing element for favor a turbulent flow of the fluid and therefore the exchange thermal.
  • the object of the invention is in particular to overcome the drawbacks cited above.
  • the invention also aims to provide such a heat exchanger plate heat to improve heat exchange between the two fluids, without increasing the loss of load of the circuit of the first fluid and of the circuit of the second fluid.
  • the hydraulic diameter can be expressed by the aforementioned simplified relation.
  • the value of the hydraulic diameter D h is substantially equal to 1.8 mm.
  • the undulations of a first plate and the undulations of a second plate are preferably in mutual contact locally.
  • the undulations of the first plates and the undulations of the second plates are advantageously substantially shaped sinusoidal.
  • the first plates and the second plates are formed by stamping a metal sheet, preferably based on aluminum.
  • the raised edges of the first plates and the seconds plates are advantageously assembled together by brazing.
  • the exchanger heat is realized in the form of a cooler motor vehicle oil, in which one of the fluids is engine oil or transmission oil automatic vehicle speeds while the other fluid is a coolant.
  • the heat exchanger shown in Figure 1 includes a multiplicity of plates, or blades, stacked according to a assembly technique known as "in scales".
  • the heat exchanger heat includes first plates 10 which alternate with second plates 12 of different configuration.
  • the first plates 10 each have a bottom 14 surrounded by a peripheral edge 16 raised upwards.
  • the bottom 14 is provided with corrugations 18, of shape substantially sinusoidal, defined by parallel generatrices between which extend in a first direction D1 (figure 3).
  • the bottom 20 comprises corrugations 24 of substantially sinusoidal shape, defined by generators extending in a second direction D2 which is substantially perpendicular to the first direction D1 ( Figure 3).
  • the plates 10 and 12 are formed by stamping a sheet metallic preferably based on aluminum. They have in example a general rectangular shape but could present another shape provided that their edges are raised can fit two by two.
  • the heat exchanger further includes (Figure 1) a inlet tubing 26 and outlet tubing 28 for a first fluid F1, as well as an inlet pipe 30 and a outlet pipe 32 for a second fluid F2.
  • the plates 10 and 12 are stacked and thus come in mutual contact at their periphery by their raised edges respectively 16 and 22, which are brazed together to provide a waterproof mechanical connection.
  • the corrugations 18 of a first plate are in contact with the corrugations 24 of a second plate adjacent.
  • the plates 10 and 12 thus delimit between them channels 34 for the first fluid F1 which alternate with channels 36 for the second fluid F2.
  • Tubing 26, 28, 30 and 32 extend inside of the stack and means are provided for making communicate the pipes 26 and 28 with the first channels 34, on the one hand, and the pipes 30 and 32 with the second channels 36, on the other hand. These means of communication, in themselves known, are not described. Details on this can be found in particular in publication DE-A-195 11 991 cited above.
  • the respective undulations 18 and 24 make it possible to give the channels a special three-dimensional structure which promotes turbulent flow of fluid F1 and fluid F2 and, therefore, good heat exchange between them. This removes disruptive elements which, up to present, had been considered necessary in this type of plate heat exchangers.
  • the diameter hydraulic of channels 34 and 36 has a selected value.
  • h represents half of the maximum spacing between the respective peaks 38 and 40 respective corrugations 18, 24 of a first plate 10 and a second adjacent plate 12.
  • the value of the hydraulic diameter D h must be between 1 and 3 mm.
  • this value is substantially equal to 1.8 mm.
  • the heat exchanger advantageously constitutes a cooler oil. It can be used to cool the oil of the engine or the oil of the automatic gearbox of a motor vehicle. In this case, one of the fluids is made up of this oil, while the other fluid is consisting of a cooling fluid. This last one is advantageously the liquid which is usually used for motor vehicle engine cooling.
  • the heat exchanger When the heat exchanger is used to cool engine oil, it is then fixed either directly on the engine block, either on a connected filtration unit directly to the engine.
  • the exchanger can then be connected to the coolant circuit through conduits.
  • the heat exchanger can be connected directly to the oil pan of the gearbox speeds.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP20000401418 1999-06-21 2000-05-23 Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge Expired - Lifetime EP1063486B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9907830A FR2795165B1 (fr) 1999-06-21 1999-06-21 Echangeur de chaleur a plaques, en particulier refroidisseur d'huile pour vehicule automobile
FR9907830 1999-06-21

Publications (2)

Publication Number Publication Date
EP1063486A1 true EP1063486A1 (de) 2000-12-27
EP1063486B1 EP1063486B1 (de) 2005-11-16

Family

ID=9547051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000401418 Expired - Lifetime EP1063486B1 (de) 1999-06-21 2000-05-23 Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge

Country Status (4)

Country Link
EP (1) EP1063486B1 (de)
JP (1) JP2001056192A (de)
DE (1) DE60023992T2 (de)
FR (1) FR2795165B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846733A1 (fr) * 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Condenseur, notamment pour un circuit de cimatisation de vehicule automobile, et circuit comprenant ce condenseur
FR2846736A1 (fr) 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Module d'echange de chaleur a plaques empilees, notamment pour un vehicule automobile
FR2846734A1 (fr) 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Module d'echangeur de chaleur a plaques comportant une section d'echange de chaleur refroidie a l'air atmospherique, notamment pour un vehicule automobile
FR2850740A1 (fr) * 2003-01-31 2004-08-06 Valeo Thermique Moteur Sa Echangeur de chaleur a plaques a haute tenue a la pression, en particulier pour circuit de climation de vehicule automobile
WO2005088223A1 (de) * 2004-03-11 2005-09-22 Behr Gmbh & Co. Kg Stapelscheiben-wärmetauscher
EP1711768A1 (de) * 2004-01-23 2006-10-18 Behr GmbH & Co. KG Wärmetauscher, insbesondere öl-/kühlmittel-kühler
WO2007036963A1 (en) * 2005-09-30 2007-04-05 Gianni Candio Method for manufacturing a plate heat exchanger having plates connected through melted contact points and heat exchanger obtained using said method
EP2057424A2 (de) * 2006-09-01 2009-05-13 LG Electronics Inc. Klimaanlage mit wasserkühlung
WO2010108907A1 (fr) * 2009-03-24 2010-09-30 Valeo Systemes Thermiques Condenseur a deux blocs d'echange de chaleur pour circuit de climatisation
US9273911B2 (en) 2008-12-29 2016-03-01 Alfa Laval Corporate Ab Plate, heat exchanger and method of manufacturing a heat exchanger

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863722B1 (ko) * 2001-10-05 2008-10-15 한라공조주식회사 2탱크 타입 열교환기용 플레이트
EP1654508B2 (de) * 2003-08-01 2020-03-11 MAHLE Behr GmbH & Co. KG Wärmeübertrager sowie verfahren zu dessen herstellung
US7343965B2 (en) * 2004-01-20 2008-03-18 Modine Manufacturing Company Brazed plate high pressure heat exchanger
FR2954480B1 (fr) 2009-12-17 2012-12-07 Valeo Systemes Thermiques Plaque d'echangeur de chaleur, en particulier pour un condenseur de climatisation
DE102011051935A1 (de) 2011-07-19 2013-01-24 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Wärmetauschers und Wärmetauscher
JP5727327B2 (ja) * 2011-08-08 2015-06-03 株式会社神戸製鋼所 熱交換器
US9933214B2 (en) 2011-11-30 2018-04-03 Mitsubishi Electric Corporation Plate heat exchanger and refrigeration cycle apparatus including the same
KR101707046B1 (ko) * 2014-12-30 2017-02-17 갑을오토텍(주) 오일측 통로저항감소 및 열교환성능향상을 위한 오일쿨러
DE102015203141A1 (de) * 2015-02-20 2016-08-25 Mahle International Gmbh Wärmeübertrager

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867869A (en) * 1957-06-14 1961-05-10 Rolls Royce Improvements in or relating to heat exchangers
WO1986005866A1 (en) * 1985-04-01 1986-10-09 Torell Ab Method for achieving a fixing of an in- or outlet socket
JPH0473595A (ja) * 1990-07-10 1992-03-09 Hisaka Works Ltd プレート式熱交換器
EP0611941A2 (de) * 1993-02-19 1994-08-24 GIANNONI S.r.l. Plattenwärmetauscher und entsprechende Platten
DE4437877A1 (de) * 1994-10-22 1996-04-25 Behr Gmbh & Co Wärmetauscher, insbesondere Ölkühler
EP0742418A2 (de) * 1995-05-10 1996-11-13 Modine Längerer & Reich GmbH Plattenwärmetauscher
EP0867679A2 (de) * 1997-03-25 1998-09-30 KTM-Kühler GmbH Plattenwärmetauscher, insbesondere Ölkühler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19549801B4 (de) 1995-03-31 2008-01-17 Behr Gmbh & Co. Kg Plattenwärmetauscher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867869A (en) * 1957-06-14 1961-05-10 Rolls Royce Improvements in or relating to heat exchangers
WO1986005866A1 (en) * 1985-04-01 1986-10-09 Torell Ab Method for achieving a fixing of an in- or outlet socket
JPH0473595A (ja) * 1990-07-10 1992-03-09 Hisaka Works Ltd プレート式熱交換器
EP0611941A2 (de) * 1993-02-19 1994-08-24 GIANNONI S.r.l. Plattenwärmetauscher und entsprechende Platten
DE4437877A1 (de) * 1994-10-22 1996-04-25 Behr Gmbh & Co Wärmetauscher, insbesondere Ölkühler
EP0742418A2 (de) * 1995-05-10 1996-11-13 Modine Längerer & Reich GmbH Plattenwärmetauscher
EP0867679A2 (de) * 1997-03-25 1998-09-30 KTM-Kühler GmbH Plattenwärmetauscher, insbesondere Ölkühler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 284 (M - 1270) 24 June 1992 (1992-06-24) *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7469554B2 (en) 2002-10-31 2008-12-30 Valeo Systeme Thermiques Condenser, in particular for a motor vehicle air conditioning circuit, and circuit comprising same
FR2846736A1 (fr) 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Module d'echange de chaleur a plaques empilees, notamment pour un vehicule automobile
FR2846734A1 (fr) 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Module d'echangeur de chaleur a plaques comportant une section d'echange de chaleur refroidie a l'air atmospherique, notamment pour un vehicule automobile
WO2004042293A1 (fr) * 2002-10-31 2004-05-21 Valeo Thermique Moteur Condenseur, notamment pour un circuit de climatisation de vehicule automobile, et circuit comprenant ce condenseur
US8122736B2 (en) 2002-10-31 2012-02-28 Valeo Systemes Thermiques Condenser for a motor vehicle air conditioning circuit, and circuit comprising same
FR2846733A1 (fr) * 2002-10-31 2004-05-07 Valeo Thermique Moteur Sa Condenseur, notamment pour un circuit de cimatisation de vehicule automobile, et circuit comprenant ce condenseur
FR2850740A1 (fr) * 2003-01-31 2004-08-06 Valeo Thermique Moteur Sa Echangeur de chaleur a plaques a haute tenue a la pression, en particulier pour circuit de climation de vehicule automobile
EP1711768A1 (de) * 2004-01-23 2006-10-18 Behr GmbH & Co. KG Wärmetauscher, insbesondere öl-/kühlmittel-kühler
WO2005088223A1 (de) * 2004-03-11 2005-09-22 Behr Gmbh & Co. Kg Stapelscheiben-wärmetauscher
WO2007036963A1 (en) * 2005-09-30 2007-04-05 Gianni Candio Method for manufacturing a plate heat exchanger having plates connected through melted contact points and heat exchanger obtained using said method
EP2057424A2 (de) * 2006-09-01 2009-05-13 LG Electronics Inc. Klimaanlage mit wasserkühlung
EP2057424A4 (de) * 2006-09-01 2014-04-09 Lg Electronics Inc Klimaanlage mit wasserkühlung
US9273911B2 (en) 2008-12-29 2016-03-01 Alfa Laval Corporate Ab Plate, heat exchanger and method of manufacturing a heat exchanger
WO2010108907A1 (fr) * 2009-03-24 2010-09-30 Valeo Systemes Thermiques Condenseur a deux blocs d'echange de chaleur pour circuit de climatisation
FR2943774A1 (fr) * 2009-03-24 2010-10-01 Valeo Systemes Thermiques Condenseur a deux blocs d'echange de chaleur pour circuit de climatisation

Also Published As

Publication number Publication date
FR2795165A1 (fr) 2000-12-22
JP2001056192A (ja) 2001-02-27
DE60023992D1 (de) 2005-12-22
DE60023992T2 (de) 2006-07-27
EP1063486B1 (de) 2005-11-16
FR2795165B1 (fr) 2001-09-07

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