EP0893667A2 - Echangeur de chaleur à plaques,sans caisson - Google Patents

Echangeur de chaleur à plaques,sans caisson Download PDF

Info

Publication number
EP0893667A2
EP0893667A2 EP98111322A EP98111322A EP0893667A2 EP 0893667 A2 EP0893667 A2 EP 0893667A2 EP 98111322 A EP98111322 A EP 98111322A EP 98111322 A EP98111322 A EP 98111322A EP 0893667 A2 EP0893667 A2 EP 0893667A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
cover plate
plate
sections
shell
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
EP98111322A
Other languages
German (de)
English (en)
Other versions
EP0893667B1 (fr
EP0893667A3 (fr
Inventor
Viktor Brost
Martin Kehr
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.)
Modine Manufacturing Co
Original Assignee
Laengerer and Reich GmbH and Co
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 Laengerer and Reich GmbH and Co, Modine Manufacturing Co filed Critical Laengerer and Reich GmbH and Co
Publication of EP0893667A2 publication Critical patent/EP0893667A2/fr
Publication of EP0893667A3 publication Critical patent/EP0893667A3/fr
Application granted granted Critical
Publication of EP0893667B1 publication Critical patent/EP0893667B1/fr
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
    • 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
    • F28D9/0012—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 apparatus having an annular form

Definitions

  • the invention relates to a housing-free plate heat exchanger, in particular liquid-cooled oil cooler, with a multiplicity of deformed, stacked heat exchangers and forming a package, which have separate flow channels for heat-exchanging media and with radially emerging connections for the supply and discharge of at least one medium and with the package of Heat exchanger plates final base and cover plate and optionally with an attached oil filter.
  • Oil coolers designed in accordance with this description are known from U.S. Patent No. 4,708,199.
  • the oil coolers shown in the various embodiments can have both smooth and deformed cover plates. In the case of an oil filter, the cover plates also form the sealing surface, with the addition of a suitable seal.
  • the half-shells of the collecting boxes have semicircular projections which, when the two half-shells are joined together, accommodate the connecting pieces. As a result, a larger soldering area is made available, so that the tightness of the soldered connection is improved compared to the previously described solution.
  • the combination of the heat exchanger with a filter arranged above the heat exchanger is not provided.
  • This heat exchanger can be used, for example, as an evaporator, which could be in the cooling circuit of an air conditioning system.
  • the object of the invention is, in particular, in a case-less plate heat exchanger liquid-cooled oil cooler to improve the tightness of the connecting piece Simplify the manufacture of the plate heat exchanger and an inexpensive connection option for to provide the filter arranged above the plate heat exchanger.
  • the cover plate consisting of two joined parts partially protrudes beyond the edge of the heat exchanger plates and has half-shell-shaped sections for receiving a connecting piece, which are connected via openings in the lower part of the cover plate to the flow channel of the medium through the plate heat exchanger.
  • the length of the half-shell-like sections is selected so that a sufficiently large soldering area is available for the connecting pieces within these sections.
  • These sections are preferably a small amount above the edge of the heat exchanger plates, whereby the size of the soldering area can be varied.
  • a major advantage of such a design is that the soldered connection can be carried out in one work step without the need for additional auxiliary devices for clamping the parts.
  • the upper part of the cover plate ie the one that forms the sealing surface for the filter, has a circular shape, so that the sealing surface is annular.
  • An annular seal can be located in this sealing surface, ie the sealing surface has a circumferential bead in which the ring seal is inserted.
  • the shape also serves to stiffen the cover plate and enables smaller sheet thicknesses to be provided.
  • the lower cover plate can also have a stiffening configuration.
  • the package of heat exchanger plates 2 was shown in principle below and is designed in a manner known per se, so that separate flow channels 8 for the coolant and for the oil are formed.
  • Such plate heat exchangers 1 usually have a slightly thicker lower base plate, which is not shown.
  • Flow arrows 15 show the flow through the plate heat exchanger 1 on the coolant side.
  • the oil side of less interest here was only indicated by flow openings 12 and the central flow opening 13.
  • the entire package is with cover plates 3a; 3b connected to a firmly joined unit by means of soldering.
  • the cover plates 3a; 3b are so densely soldered together that at least the mixing of the coolant with the oil is excluded and neither coolant nor oil can escape to the outside. Of course there is also a soldered connection to separate the coolant inlet and outlet. However, there are minor leaks with no serious consequences.
  • the lower cover plate 3b and the upper cover plate 3a are molded parts by deep drawing.
  • the upper cover plate 3a has an annular, upwardly projecting shape 9, which serves to support an oil filter, not shown, but at the same time gives the cover plate 3a greater stability so that it can consist of a thinner sheet.
  • the expression 9 is provided with an annular bead 14, which is provided for receiving a sealing ring.
  • the central opening 13 serves to feed the oil into the filter and also to return the filtered oil.
  • the oil could also be supplied via openings (not shown) within the expression 9.
  • the half-shell-like sections 4 protrude beyond the edge 10 of the plate heat exchanger 1. They are provided both in the upper cover plate 3a and in the cover plate 3b arranged underneath. The half-shell-like sections 4 also make an additional contribution to increasing the rigidity of the cover plate 3.
  • connection piece 5 for the supply of the coolant into the plate heat exchanger 1 and in the other section 4 the connection piece 6 is accordingly for the return arranged.
  • the sections 4 in the lower cover plate 3b have approximately the same length. This length corresponds approximately to the protrusion of the cover plate 3 over the edge 10 of the package of heat exchanger plates 2.
  • the upper cover plate 3a has longer sections 4, which are also of different lengths. Their length is chosen so that the connecting pieces 5 and 6 enclosed in the sections 4 are in fluidic connection with the openings 7 and the flow channel 8.
  • the inner ends 16; 17 of the sections 4 are provided with flowing transitions in order to keep the flow resistance for the coolant low.
  • the connection piece 5 and 6 are designed here as a straight piece.
  • knee-shaped connecting pieces could of course also be used here.
  • beads 11 are embossed, the beads 11 around the connecting piece 5; 6 match. These beads 11 are used to position the connecting piece 5; 6 in the half-shell-like sections 4 and improve the tightness and strength.

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)
EP98111322A 1997-06-26 1998-06-19 Echangeur de chaleur à plaques,sans caisson Expired - Lifetime EP0893667B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19727145A DE19727145A1 (de) 1997-06-26 1997-06-26 Gehäuseloser Plattenwärmetauscher
DE19727145 1997-07-26

Publications (3)

Publication Number Publication Date
EP0893667A2 true EP0893667A2 (fr) 1999-01-27
EP0893667A3 EP0893667A3 (fr) 1999-08-25
EP0893667B1 EP0893667B1 (fr) 2002-03-20

Family

ID=7833710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98111322A Expired - Lifetime EP0893667B1 (fr) 1997-06-26 1998-06-19 Echangeur de chaleur à plaques,sans caisson

Country Status (3)

Country Link
EP (1) EP0893667B1 (fr)
DE (2) DE19727145A1 (fr)
ES (1) ES2175557T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306638A3 (fr) * 2001-10-24 2004-07-28 Modine Manufacturing Company Echangeur de chaleur à plaques sans carter
EP1452816A3 (fr) * 2003-02-06 2007-12-05 Modine Manufacturing Company Echangeur de chaleur à plaques

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506972B1 (de) 2008-08-11 2010-01-15 Ktm Kuehler Gmbh Plattenwärmetauscher
DE102009041524A1 (de) * 2009-09-15 2011-03-24 Mahle International Gmbh Plattenwärmetauscher
FR2977304B1 (fr) 2011-06-28 2013-07-19 Valeo Systemes Thermiques Echangeur de chaleur, boitier et circuit de climatisation comprenant un tel echangeur
ES3017584T3 (en) * 2023-02-27 2025-05-13 Benteler Automobiltechnik Gmbh Heat exchanger plate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708199A (en) 1985-02-28 1987-11-24 Kabushiki Kaisha Tsuchiya Seisakusho Heat exchanger
US4860823A (en) 1988-03-02 1989-08-29 Diesel Kiki Co., Ltd. Laminated heat exchanger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234040A (en) * 1978-06-22 1980-11-18 Borg-Warner Corporation Two fluid heat exchanger
US5464056A (en) * 1992-12-21 1995-11-07 Calsonic Corporation Housingless type oil cooler and method for producing the same
JP3427526B2 (ja) * 1994-12-21 2003-07-22 株式会社デンソー オイルクーラ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708199A (en) 1985-02-28 1987-11-24 Kabushiki Kaisha Tsuchiya Seisakusho Heat exchanger
US4860823A (en) 1988-03-02 1989-08-29 Diesel Kiki Co., Ltd. Laminated heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306638A3 (fr) * 2001-10-24 2004-07-28 Modine Manufacturing Company Echangeur de chaleur à plaques sans carter
EP1452816A3 (fr) * 2003-02-06 2007-12-05 Modine Manufacturing Company Echangeur de chaleur à plaques

Also Published As

Publication number Publication date
ES2175557T3 (es) 2002-11-16
EP0893667B1 (fr) 2002-03-20
DE19727145A1 (de) 1999-01-07
DE59803406D1 (de) 2002-04-25
EP0893667A3 (fr) 1999-08-25

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