EP0258236B1 - A plate heat exchanger - Google Patents

A plate heat exchanger Download PDF

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Publication number
EP0258236B1
EP0258236B1 EP86902549A EP86902549A EP0258236B1 EP 0258236 B1 EP0258236 B1 EP 0258236B1 EP 86902549 A EP86902549 A EP 86902549A EP 86902549 A EP86902549 A EP 86902549A EP 0258236 B1 EP0258236 B1 EP 0258236B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
plates
outs
cut
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
Application number
EP86902549A
Other languages
German (de)
French (fr)
Other versions
EP0258236A1 (en
Inventor
Erik Hedman
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.)
Titanx Engine Cooling AB
Original Assignee
Torell AB
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 Torell AB filed Critical Torell AB
Priority to AT86902549T priority Critical patent/ATE57433T1/en
Publication of EP0258236A1 publication Critical patent/EP0258236A1/en
Application granted granted Critical
Publication of EP0258236B1 publication Critical patent/EP0258236B1/en
Expired 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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

Definitions

  • the present invention relates to a plate heat exchanger comprising a number of essentially rectangular plates, of which the outermost plates are supporting plates a first of which is provided with cut-outs for the attachment of inlet and outlet sleeve connections.
  • a plate heat exchanger of this kind is described in more detail in Swedish Patent Application No. 8501599-8, from which this Application is derived, family member WO 86/05866.
  • a disadvantage of the previously disclosed design is the fact that the outermost plates, the so-called supporting plates in which inlet and outlet sleeve connections are arranged at least on one side of the heat exchanger, can be subjected to stresses resulting from the residual thermal stresses associated with the manufacturing process in conjunction with the operating stresses (pressure fluctuations, vibrations and thermal stresses), which can achieve a value such that fractures may occur not only in the joint between the sleeve connection and the supporting plate, but also between the latter and adjacent heat exchanger plates, resulting in leakage.
  • the aforementioned supporting plates are provided in accordance with the invention with a number of folds running across the plate, with the folds in said first plate being arranged between the cut-outs.
  • Fig. 1 a illustrates schematically a plate heat exchanger viewed from above with a supporting plate and sleeve couplings
  • Fig. 1b illustrates a plate heat exchanger with a supporting plate viewed from below
  • Fig. 2 shows a cross-section through a plate heat exchanger
  • Fig. 3 shows a cross-section of the aforementioned heat exchanger.
  • the reference 1 is used in the drawing to designate a plate heat exchanger which comprises a number of plates 2a, 2b, 2c, 2d and inlet and outlet sleeve couplings 3, 4, 5, 6.
  • the plates 2a, 2b, 2c and 2d are essentially rectangular and have a relief pattern 7 and a border 8 running around its perimeter. This is off-set in two ledges 9, 10 by approximately one thickness of the plate so that the plates 2a, 2b, 2c and 2d are capable of being inserted into one another.
  • This means that the border 8 can be divided up in three steps 8a, 8b, 8c.
  • the firt step, the so-called pattern step is so arranged as to enclose the relief pattern 7 of the plate.
  • the second step which is referred to as the screening step, is intended to integrate the flow area for the flow channel of the subsequent plate.
  • the third step 8c is intended to constitute a joining and sealing element with the second step of the adjacent plate and is accordingly described as the joint step.
  • the first ledge 9 shall be situated at a distance from the bend in the border 8 which is approximately equal to the depth of the pattern 7 in the plate 2.
  • the second ledge 10 shall be situated at a distance from the bend in the border 8 which is approximately equal to twice the depth of the pattern.
  • a plate heat exchanger of this kind the outermost plates are so-called supporting plates 11 a, 11 b (see Figs. 2, 3).
  • One of these 11 a is provided with cut-outs 12a, 12b for the attachment of the inlet and outlet sleeve couplings 4, 5.
  • the supporting plates 11, 11 b are executed with a number of folds 13 running across each plate.
  • the folds 13 are arranged between the cut-outs.
  • the folds are intended to absorb the dimensional variations in the plate heat exchanger 1 which can occur in the case of major variations in temperature, both in conjunction with soldering and when the heat exchanger is in use.
  • the folded supporting plates in this case operate in a similar fashion to a concertina bellows.

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)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

Arrangement for a plate heat exchanger (1) comprising a number of essentially rectangular plates (2a, 2b, 2c, 2d). The outermost plates (11) are supporting plates, one of which is provided with cut-outs (12) for the attachment of inlet and outlet sleeve connections (3, 4, 5, 6). A characteristic feature of the invention is the fact that the aforementioned supporting plates (11) are provided with a number of folds (13) running across the plate. In the case of the plate (11a) provided with cut-outs, the folds (13) are arranged between the cut-outs.

Description

  • The present invention relates to a plate heat exchanger comprising a number of essentially rectangular plates, of which the outermost plates are supporting plates a first of which is provided with cut-outs for the attachment of inlet and outlet sleeve connections.
  • A plate heat exchanger of this kind is described in more detail in Swedish Patent Application No. 8501599-8, from which this Application is derived, family member WO 86/05866.
  • A disadvantage of the previously disclosed design is the fact that the outermost plates, the so-called supporting plates in which inlet and outlet sleeve connections are arranged at least on one side of the heat exchanger, can be subjected to stresses resulting from the residual thermal stresses associated with the manufacturing process in conjunction with the operating stresses (pressure fluctuations, vibrations and thermal stresses), which can achieve a value such that fractures may occur not only in the joint between the sleeve connection and the supporting plate, but also between the latter and adjacent heat exchanger plates, resulting in leakage.
  • From Derwent's abstract SU 1 035 399 is known a plate heat exchanger, its supporting plates provided with a convex shape in order to increase rigidity. However, such supporting plates, because of their convex shape, can not be soldered to the adjacent heat exchanger plates, which leads to a less rigid construction compared with a heat exchanger, the supporting plates of which are soldered to the adjacent plates.
  • In order to avoid fractures of the above kind in the joint between the inlet and outlet sleeve connections and the supporting plate on the one hand, and between the latter and an adjacent heat exchanger plate on the other hand, the aforementioned supporting plates are provided in accordance with the invention with a number of folds running across the plate, with the folds in said first plate being arranged between the cut-outs.
  • The construction of a plate heat exchanger is intended to be explained below in more detail with reference to the accompanying drawing, in which Fig. 1 a illustrates schematically a plate heat exchanger viewed from above with a supporting plate and sleeve couplings, and Fig. 1b illustrates a plate heat exchanger with a supporting plate viewed from below. Fig. 2 shows a cross-section through a plate heat exchanger. Fig. 3 shows a cross-section of the aforementioned heat exchanger.
  • The reference 1 is used in the drawing to designate a plate heat exchanger which comprises a number of plates 2a, 2b, 2c, 2d and inlet and outlet sleeve couplings 3, 4, 5, 6. The plates 2a, 2b, 2c and 2d are essentially rectangular and have a relief pattern 7 and a border 8 running around its perimeter. This is off-set in two ledges 9, 10 by approximately one thickness of the plate so that the plates 2a, 2b, 2c and 2d are capable of being inserted into one another. This means that the border 8 can be divided up in three steps 8a, 8b, 8c. The firt step, the so-called pattern step is so arranged as to enclose the relief pattern 7 of the plate. The second step, which is referred to as the screening step, is intended to integrate the flow area for the flow channel of the subsequent plate. The third step 8c is intended to constitute a joining and sealing element with the second step of the adjacent plate and is accordingly described as the joint step.
  • The first ledge 9 shall be situated at a distance from the bend in the border 8 which is approximately equal to the depth of the pattern 7 in the plate 2. The second ledge 10 shall be situated at a distance from the bend in the border 8 which is approximately equal to twice the depth of the pattern.
  • In a plate heat exchanger of this kind the outermost plates are so-called supporting plates 11 a, 11 b (see Figs. 2, 3). One of these 11 a is provided with cut-outs 12a, 12b for the attachment of the inlet and outlet sleeve couplings 4, 5.
  • According to the invention the supporting plates 11, 11 b are executed with a number of folds 13 running across each plate. In the case of the supporting plate 11 a with cut-outs for the sleeve couplings, the folds 13 are arranged between the cut-outs. The folds are intended to absorb the dimensional variations in the plate heat exchanger 1 which can occur in the case of major variations in temperature, both in conjunction with soldering and when the heat exchanger is in use. The folded supporting plates in this case operate in a similar fashion to a concertina bellows.

Claims (1)

  1. Plate heat exchanter (1) comprising a number of essentially rectangular plates (2a, 2b, 2c, 2d), of which the outermost plates (11) are supporting plates, a first (11a) of which is provided with cut-outs (12) for the attachment of inlet and outlet sleeve connections (3, 4, 5, 6), characterized in that the aforementioned supporting plates (11) are provided with a number of folds (13) running across the plate, with the folds in said first plate (11a) being arranged between the cut-outs.
EP86902549A 1985-04-01 1986-03-26 A plate heat exchanger Expired EP0258236B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86902549T ATE57433T1 (en) 1985-04-01 1986-03-26 PLATE HEAT EXCHANGER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8501599A SE8501599D0 (en) 1985-04-01 1985-04-01 DEVICE OF A PLATE HEAT EXCHANGER
SE8501599 1985-04-01

Publications (2)

Publication Number Publication Date
EP0258236A1 EP0258236A1 (en) 1988-03-09
EP0258236B1 true EP0258236B1 (en) 1990-10-10

Family

ID=20359726

Family Applications (2)

Application Number Title Priority Date Filing Date
EP86902550A Expired EP0250439B1 (en) 1985-04-01 1986-03-26 Method for achieving a fixing of an in- or outlet socket
EP86902549A Expired EP0258236B1 (en) 1985-04-01 1986-03-26 A plate heat exchanger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP86902550A Expired EP0250439B1 (en) 1985-04-01 1986-03-26 Method for achieving a fixing of an in- or outlet socket

Country Status (5)

Country Link
EP (2) EP0250439B1 (en)
AT (2) ATE57433T1 (en)
DE (2) DE3663849D1 (en)
SE (1) SE8501599D0 (en)
WO (2) WO1986005866A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314808A1 (en) * 1993-05-05 1994-11-10 Behr Gmbh & Co Plate heat exchangers, especially oil / coolant coolers
DE19517174C1 (en) * 1995-05-10 1996-06-05 Laengerer & Reich Gmbh & Co Plate heat exchanger with stacked heat exchange plates
DE19750748A1 (en) * 1997-11-14 1999-07-15 Behr Gmbh & Co Plate heat exchanger, particularly oil-coolant cooler for internal combustion engine
DE10021481A1 (en) * 2000-05-03 2001-11-08 Modine Mfg Co Plate heat exchanger

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458884B (en) * 1987-05-29 1989-05-16 Alfa Laval Thermal Ab PERMANENT COMBINED PLATE HEAT EXCHANGE WITH CONTAINING BODY AT THE PORTS
SE8702257D0 (en) * 1987-05-29 1987-05-29 Alfa Laval Thermal Ab PLATMATCH EXCHANGE WITH PERMANENT COMPLETE PLATE
SE9000712L (en) * 1990-02-28 1991-08-29 Alfa Laval Thermal PERMANENT COMBINED PLATE HEAT EXCHANGER
SE467275B (en) * 1990-05-02 1992-06-22 Alfa Laval Thermal Ab FLOWED DOUBLE WALL PLATE HEAT EXCHANGER WITH BENDED EDGE
FR2697621B1 (en) * 1992-11-03 1995-01-13 Ciat Sa Plate heat exchanger.
DE59600935D1 (en) * 1995-05-10 1999-01-21 Laengerer & Reich Gmbh & Co Plate heat exchanger
JP3858324B2 (en) * 1997-01-08 2006-12-13 株式会社デンソー Inner fin and manufacturing method thereof
SE511270C2 (en) * 1998-01-15 1999-09-06 Alfa Laval Ab Plate heat exchanger since the plane of the door portion in an outer heat exchange plate enables contact with the end plate
SE513540C2 (en) * 1998-06-16 2000-09-25 Alfa Laval Ab A method of producing a plate heat exchanger as well as a plate heat exchanger
DE19837807A1 (en) * 1998-08-20 2000-02-24 Mann & Hummel Filter Heat exchanger with at least one connecting component, particularly oil-water heat exchanger for installation in internal combustion engine comprises soldered stacked plates and end plates
DE19927924C1 (en) * 1999-06-18 2000-09-07 Dbb Fuel Cell Engines Gmbh Plate reactor has at least one ring collar projecting round the inflow/outflow pipe anchored by the intermediate part-plates of the end plate structure for an improved connection mounting
FR2795165B1 (en) * 1999-06-21 2001-09-07 Valeo Thermique Moteur Sa PLATE HEAT EXCHANGER, PARTICULARLY OIL COOLER FOR MOTOR VEHICLE
DE10228263A1 (en) * 2002-06-25 2004-01-22 Behr Gmbh & Co. Plate heat exchanger in stack construction
CN1833153B (en) 2003-08-01 2012-04-04 贝洱两合公司 Heat exchanger and method for the production thereof
SE534775C2 (en) * 2010-04-08 2011-12-13 Titanx Engine Cooling Holding Ab Heat exchanger with leakage flow barrier, oil cooling system and method for cooling oil
WO2015082348A1 (en) * 2013-12-05 2015-06-11 Swep International Ab Heat exchanging plate with varying pitch
KR20210013827A (en) * 2019-07-29 2021-02-08 엘지전자 주식회사 Plate type heat exchanger
CN112781426B (en) * 2019-11-08 2023-03-28 丹佛斯有限公司 Heat exchange plate for plate heat exchanger and plate heat exchanger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50448A (en) * 1973-05-09 1975-01-07
DE2634810A1 (en) * 1976-08-03 1978-02-09 Nikolaus Laing Roof with heat storage panels - has cavities in ribs and condensing heat carrying fluid
DE2840522A1 (en) * 1977-10-05 1979-04-19 Alfa Laval Ab PLATE HEAT EXCHANGER
DE3033452A1 (en) * 1980-09-05 1982-04-29 Wülfing und Hauck GmbH + Co KG, 3504 Kaufungen Heat exchanger panel esp. for solar collectors - has rigid pref. PVC reinforcement plate on one face opposite pipe connection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314808A1 (en) * 1993-05-05 1994-11-10 Behr Gmbh & Co Plate heat exchangers, especially oil / coolant coolers
DE4314808C2 (en) * 1993-05-05 2003-10-30 Behr Gmbh & Co Plate heat exchanger, in particular oil / coolant cooler
DE19517174C1 (en) * 1995-05-10 1996-06-05 Laengerer & Reich Gmbh & Co Plate heat exchanger with stacked heat exchange plates
DE19750748A1 (en) * 1997-11-14 1999-07-15 Behr Gmbh & Co Plate heat exchanger, particularly oil-coolant cooler for internal combustion engine
US6182746B1 (en) 1997-11-14 2001-02-06 Behr Gmbh & Co. Plate-type heat exchanger
DE19750748C2 (en) * 1997-11-14 2003-04-24 Behr Gmbh & Co Plate heat exchanger
DE10021481A1 (en) * 2000-05-03 2001-11-08 Modine Mfg Co Plate heat exchanger

Also Published As

Publication number Publication date
ATE57433T1 (en) 1990-10-15
SE8501599D0 (en) 1985-04-01
DE3674927D1 (en) 1990-11-15
WO1986005866A1 (en) 1986-10-09
ATE43902T1 (en) 1989-06-15
EP0250439A1 (en) 1988-01-07
EP0250439B1 (en) 1989-06-07
DE3663849D1 (en) 1989-07-13
EP0258236A1 (en) 1988-03-09
WO1986005867A1 (en) 1986-10-09

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