EP1063486B1 - Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge - Google Patents

Plattenwärmetauscher, insbesondere Ölkühler für Kraftfahrzeuge Download PDF

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Publication number
EP1063486B1
EP1063486B1 EP20000401418 EP00401418A EP1063486B1 EP 1063486 B1 EP1063486 B1 EP 1063486B1 EP 20000401418 EP20000401418 EP 20000401418 EP 00401418 A EP00401418 A EP 00401418A EP 1063486 B1 EP1063486 B1 EP 1063486B1
Authority
EP
European Patent Office
Prior art keywords
plates
heat exchanger
undulations
fluid
plate
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.)
Expired - Lifetime
Application number
EP20000401418
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English (en)
French (fr)
Other versions
EP1063486A1 (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
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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 wherein said peripheral edges are assembled tightly for delimit between the plates of the first flow channels for a first fluid that alternate with second channels flow for a second fluid.
  • a heat exchanger of this type also called “exchanger "or” plate exchanger “is known in particular according to the publication DE-A-195 11 991, or EP 0 867 679.
  • Such a heat exchanger heat is used for example as a cooler oil for a motor vehicle, to ensure cooling engine oil or the cooling of oil from the automatic gearbox, by exchange thermal with a coolant, usually the one used for cooling the engine of the vehicle.
  • the plates are usually made by stamping a sheet metal, and are stacked, so that their peripheral edges respective ones fit into each other and be then brazed together to ensure watertightness, which allows to define fluid circulation channels.
  • the heat exchanger thus results from a stack of plates and does not require a housing.
  • the plates have openings located at the right of the aforementioned pipes and alternatively sealed, either by stampings, either by insert rings, for ensure or prohibit the passage of one or the other fluid.
  • the plates have a generally flat bottom and it is intended, in each flow channel, a disruptive element for to promote a turbulent flow of the fluid and therefore the exchange thermal.
  • the object of the invention is in particular to overcome the disadvantages supra.
  • the invention also aims to provide such a heat exchanger plate heat clean to improve heat exchange between the two fluids, without increasing the loss of charge of the circuit of the first fluid and 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 corrugations of a first plate and the corrugations of a second plate are preferably mutual contact locally.
  • the undulations of the first plates and the undulations of second plates are advantageously of substantially 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 seconds plates are advantageously assembled together by brazing.
  • the exchanger of heat is realized in the form of a cooler motor vehicle oil in which one of the fluids is the engine oil or the oil from the box of automatic vehicle speeds, while the other fluid is a cooling fluid.
  • the heat exchanger shown in FIG. multiplicity of plates, or blades, stacked according to a assembly technique called "in scales".
  • the exchanger of heat includes first plates 10 that 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 undulations 18, of substantially sinusoidal, defined by parallel generators between they 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 metal preferably aluminum-based. They have in the example a general rectangular shape but could present another form provided that their raised edges can fit in pairs.
  • the heat exchanger further comprises (Figure 1) a inlet pipe 26 and an outlet pipe 28 for a first fluid F1, and an inlet pipe 30 and a outlet pipe 32 for a second fluid F2.
  • the plates 10 and 12 are stacked and thus come into mutual contact at their periphery by their raised edges 16 and 22, which are brazed together to ensure sealed 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 F1 fluid that alternate with channels 36 for the second fluid F2.
  • Tubings 26, 28, 30 and 32 extend inside of the pile and there is provision for ways to make communicate tubings 26 and 28 with the first channels 34, on the one hand, and the tubings 30 and 32 with the second channels 36, on the other hand. These means of communication, in themselves known, are not described. Details about it can be found in particular in publication DE-A-195 11 991 above.
  • the respective undulations 18 and 24 make it possible to give the channels a particular three-dimensional structure that promotes a turbulent flow of fluid F1 and fluid F2 and, therefore, a good heat exchange between them. This allows the removal of disruptive elements which, up to present, had been considered necessary in this type of plate heat exchangers.
  • the diameter hydraulic channels 34 and 36 has a chosen value.
  • h represents half of the maximum spacing between respective ridges 38 and 40 respective corrugations 18, 24 of a first plate 10 and a second plate 12 adjacent.
  • 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 is advantageously 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.
  • one of the fluids is constituted by this oil, while the other fluid is constituted by a cooling fluid.
  • This last one is advantageously the liquid which is usually used for engine cooling of the motor vehicle.
  • the heat exchanger When the heat exchanger is used to cool engine oil, it is then attached either directly to the engine block, either on a connected filtration box directly to the engine.
  • the exchanger can then be connected to the cooling fluid circuit through ducts.
  • the heat exchanger can be connected directly to the oil pan of the box of 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)

Claims (7)

  1. Wärmetauscher für ein Kraftfahrzeug mit einer Vielzahl von aufeinander gestapelten Platten (10; 12), die jeweils mit einem erhöhten Umfangsrand (16; 22) versehen sind und bei dem die Umfangsränder dicht zusammengefügt sind, um zwischen den Platten erste Strömungskanäle (34) für ein erstes Fluid (F1) zu begrenzen, die sich mit zweiten Strömungskanälen (36) für ein zweites Fluid (F2) abwechseln,
    dadurch gekennzeichnet, dass er erste Platten (10), die jeweils einen Boden (14) mit durch sich in einer ersten Richtung (D1) erstreckende Erzeugende definierten Wellungen (18) aufweisen, und zweite Platten (12), die abwechselnd mit den ersten Platten (10) angeordnet sind und jeweils einen Boden (20) mit durch sich in eine zweite Richtung (D2), die im Wesentlichen senkrecht zur ersten Richtung (D1) verläuft, erstreckende Erzeugende definierten Wellungen (24) umfasst und dass jeder Kanal (34; 36) einen hydraulischen Durchmesser (Dh) mit gewähltem Wert besitzt, der durch die Beziehung Dh = 2.h definiert wird, wobei h die halbe Höhe des Kanals, das heißt die Hälfte des maximalen Abstands zwischen den jeweiligen Scheiteln (38; 40) der jeweiligen Wellungen (18; 24) einer Platte (10) und einer benachbarten zweiten Platte (12) darstellt, und dass der Wert des hydraulischen Durchmessers Dh zwischen 1 und 3 mm liegt.
  2. Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass der Wert des hydraulischen Durchmessers Dh im Wesentlichen 1,8 mm beträgt.
  3. Wärmetauscher nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wellungen (18) einer ersten Platte (10) und die Wellungen (24) einer zweiten Platte (12) lokal in gegenseitigem Kontakt stehen.
  4. Wärmetauscher nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Wellungen (18) der ersten Platten (10) und die Wellungen (24) der zweiten Platten (12) im Wesentlichen sinusförmig sind.
  5. Wärmetauscher nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die ersten Platten (10) und die zweiten Platten (12) durch Tiefziehen einer Metallplatten, vorzugsweise auf Aluminiumbasis, hergestellt sind.
  6. Wärmetauscher nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die erhöhten Ränder (16, 22) der ersten Platten (10) und der zweiten Platten (12) durch Löten zusammengefügt sind.
  7. Wärmetauscher nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eines der Fluide Öl eines Motors oder Öl eines Automatikgetriebes eines Kraftfahrzeugs ist, während das andere Fluid ein Kühlmittel ist.
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 EP1063486A1 (de) 2000-12-27
EP1063486B1 true 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)

Families Citing this family (19)

* 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
FR2846733B1 (fr) * 2002-10-31 2006-09-15 Valeo Thermique Moteur Sa Condenseur, notamment pour un circuit de cimatisation de vehicule automobile, et circuit comprenant ce condenseur
FR2846734B1 (fr) 2002-10-31 2017-09-01 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
FR2846736B1 (fr) 2002-10-31 2006-01-27 Valeo Thermique Moteur Sa Module d'echange de chaleur a plaques empilees, notamment pour un vehicule automobile
FR2850740B1 (fr) * 2003-01-31 2006-11-24 Valeo Thermique Moteur Sa Echangeur de chaleur a plaques a haute tenue a la pression, en particulier pour circuit de climation de vehicule automobile
WO2005012820A1 (de) * 2003-08-01 2005-02-10 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
DE102004003790A1 (de) * 2004-01-23 2005-08-11 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Öl-/Kühlmittel-Kühler
JP4944009B2 (ja) * 2004-03-11 2012-05-30 ベール ゲーエムベーハー ウント コー カーゲー 積層ディスク形熱交換器
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
KR101198457B1 (ko) * 2006-09-01 2012-11-06 엘지전자 주식회사 수냉식 공기조화기
PL2202476T3 (pl) 2008-12-29 2016-09-30 Sposób wytwarzania spawanego płytowego wymiennika ciepła
FR2943774B1 (fr) * 2009-03-24 2013-12-20 Valeo Systemes Thermiques Condenseur a deux blocs d'echange de chaleur pour circuit de climatisation
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
JP5859022B2 (ja) 2011-11-30 2016-02-10 三菱電機株式会社 プレート式熱交換器およびこの熱交換器を備えた冷凍サイクル装置
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

Family Cites Families (8)

* 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
SE8501599D0 (sv) * 1985-04-01 1985-04-01 Torell Ab Anordning vid en plattvermevexlare
JPH0648151B2 (ja) * 1990-07-10 1994-06-22 株式会社日阪製作所 プレート式熱交換器
IT1263611B (it) * 1993-02-19 1996-08-27 Giannoni Srl Scambiatore di calore a piastre
DE4437877C2 (de) * 1994-10-22 1997-08-07 Behr Gmbh & Co Wärmetauscher, insbesondere Ölkühler
DE19549801B4 (de) 1995-03-31 2008-01-17 Behr Gmbh & Co. Kg Plattenwärmetauscher
DE59600935D1 (de) * 1995-05-10 1999-01-21 Laengerer & Reich Gmbh & Co Plattenwärmetauscher
AT407920B (de) * 1997-03-25 2001-07-25 Ktm Kuehler Gmbh Plattenwärmetauscher, insbesondere ölkühler

Also Published As

Publication number Publication date
EP1063486A1 (de) 2000-12-27
JP2001056192A (ja) 2001-02-27
FR2795165A1 (fr) 2000-12-22
FR2795165B1 (fr) 2001-09-07
DE60023992T2 (de) 2006-07-27
DE60023992D1 (de) 2005-12-22

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