EP0928405A2 - Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules - Google Patents

Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules

Info

Publication number
EP0928405A2
EP0928405A2 EP98933510A EP98933510A EP0928405A2 EP 0928405 A2 EP0928405 A2 EP 0928405A2 EP 98933510 A EP98933510 A EP 98933510A EP 98933510 A EP98933510 A EP 98933510A EP 0928405 A2 EP0928405 A2 EP 0928405A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
plate
openings
passage
collar
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
EP98933510A
Other languages
German (de)
English (en)
Other versions
EP0928405B1 (fr
Inventor
Thomas Brieden
Markus Layer
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 Filtersysteme GmbH
Original Assignee
Knecht Filterwerk 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 Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Publication of EP0928405A2 publication Critical patent/EP0928405A2/fr
Application granted granted Critical
Publication of EP0928405B1 publication Critical patent/EP0928405B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F28D9/0031—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
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/20—Fastening; Joining with threaded elements
    • F28F2275/205—Fastening; Joining with threaded elements with of tie-rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/916—Oil cooler

Definitions

  • Plate heat exchangers in particular oil / coolant coolers for motor vehicles
  • the invention relates to a plate heat exchanger, in particular an oil / coolant cooler for internal combustion engines, with the features of the preamble of claim 1.
  • a plate heat exchanger of the aforementioned type known from DE 43 14 808 has an end plate for sealing the plate heat exchanger on its heat exchanger plate which is adjacent to the connected body in the assembled state.
  • This end plate can also serve as a fastening element, for which purpose it is provided with bores which cooperate with bolts or screws as fastening means in order to fasten the plate heat exchanger, for example to an engine block.
  • a mounting plate is proposed which is designed according to individual requirements and is prepared, for example, for mounting on a special engine block.
  • This fastening plate can be mounted on the plate heat exchanger in addition to the end plate or, instead of the end plate, can be fastened on the heat exchanger plate adjacent to the connected body (eg engine block), the mounting plate then also serves as an end plate.
  • the invention is concerned with the problem that the known end plate or mounting plate can deform at the high pressures occurring in such a plate heat exchanger, the oil cooler being lifted from the body in the connection area of the connected body. On the one hand, this can result in increased wear of the plate heat exchanger and, on the other hand, a reduced seal with respect to the connected body.
  • the invention is based on the general idea of not fastening the plate heat exchanger to the connected body on its underside adjoining the connected body, but rather of making it possible to cooperate with the upper side of the plate heat exchanger facing away from the closed body.
  • a fastening causes an increased pressure force of the plate heat exchanger with respect to the connected body in the case of a volume expansion of the plate heat exchanger caused by a high internal pressure, which counteracts a lifting of the plate heat exchanger.
  • the pressure increases Sealing effect increased.
  • the attachment of the plate heat exchanger is achieved on its top.
  • the arrangement of the tie rods within the body of the plate heat exchanger also uses the internal stability of the interconnected heat exchanger plates to transmit the tensile forces.
  • the heat exchanger plates in the area of the openings can be sealed against one another in a particularly simple manner with the aid of the proposed collars at these openings , whereby a sleeve penetrating the plate heat exchanger is formed.
  • the sleeve formed in this way is stable in its axial direction and can be exposed to high pressure loads, so that it or the plate heat exchanger can therefore be fastened with the proposed tie rod with high preload relative to the connected body.
  • the heat exchanger plates are individually attached to this sleeve, so that not only the complete plate heat exchanger is fixed to the connected body, but also each individual heat exchanger plate via this sleeve.
  • An embodiment with the features according to claim 3 enables a particularly simple connection, in particular a soldered connection, of the individual heat exchanger plates to one another, both on the circumferential collar of the heat exchanger plate and on the circumferential collar of the aligned openings.
  • the passage channels of the fluid circuits which are present anyway in the plate heat exchanger can be used as a passage for the tie rod. All that is required is to provide a corresponding, sealed opening in the connection plate through which the tie rod can be passed.
  • FIG. 1 is an exploded view of heat exchanger plates and turbulence inserts of a plate heat exchanger according to the invention
  • Fig. 2 shows a cross section through a plate heat exchanger according to the invention.
  • each heat exchanger plate 2 has a circumferential collar 4 which is angled upward at an angle of approximately 75 ° with respect to the plane of the heat exchanger plate 2, corresponding to FIG. 1.
  • Each heat exchanger plate 2 has four passage openings 5 and 5 ', of which only two can be seen in this sectional view. Contrary to the exemplary embodiment shown, the passage openings 5 and 5 'need not have the same cross section.
  • four openings 6 are provided in each heat exchanger plate 2, each of which is provided with a circumferential collar 7. Only two of the openings 6 are visible in the section shown for each heat exchanger plate 2.
  • a turbulence insert 3 or 3 ' is arranged in each case between two heat exchanger plates 2.
  • Each turbulence insert has openings 8 and 9 corresponding to the passage openings 5 and 5 'of the heat exchanger plates 2.
  • In the Openings 9 are each provided with a sealing ring 10, the outer diameter of which approximately corresponds to the inner diameter of the opening 9 and the inner diameter of which approximately corresponds to the inner diameter of the opening 5 or 5 ′.
  • the inside diameter of the opening 8 of the turbulence insert 3 or 3 ' corresponds approximately to the inside diameter of the opening 5 or 5' in the heat exchanger plate 2.
  • each turbulence insert 3 or 3 ′ contains four openings 11, which are assigned to the openings 6 of the heat exchanger plates 2 and whose inside diameter corresponds approximately to the outside diameter at the attachment of the collar 7 to the opening 6.
  • the openings 5 are provided on the left and the openings 5 'on the right side of the heat exchanger plates.
  • the turbulence inserts 3 have the sealing rings 10 on their right side and the turbulence inserts 3 'on their left side.
  • the sealing rings 10 have approximately the same thickness as the turbulence inserts 3 and 3 '.
  • the sealing rings 10 can be made from a metallic material or from a plastic or ceramic.
  • the sealing rings 10 seal the openings 5 and 5 'against a space formed between adjacent heat exchanger plates 2 and the turbulence insert 3 and 3' inserted therein. This creates channels through which a respective fluid can reach the next intermediate space. In this way, the gaps alternately fill with the cooling fluid and the fluid to be cooled, for example oil.
  • the openings 5 and the interspaces communicating therewith can be assigned to the coolant, the associated turbulence inserts 3 and the heat exchanger plates 2 adjoining them being identified by a curly bracket designated by a on the left-hand side of FIG. 1.
  • a plate heat exchanger 1 with heat exchanger plates 2 stacked on top of one another and sealed together additionally has a connecting plate 26 which is inserted into the heat exchanger plate 2 ′, which is uppermost according to FIG. 2, and which corresponds in a corresponding manner to the turbulence inserts 3 and 3 'Has openings 27 which are assigned to the openings 6 of the heat exchanger plate 2.
  • the collars 4' and 7 'of the uppermost heat exchanger plate 2' are approximately half as much as large as the corresponding collars 4 and 7 of another heat exchanger plate 2, so that the collars 4 'and 7' of the uppermost heat exchanger plate 2 'and the collars 4 and 7 of the adjacent heat exchanger plate 2 end together on their free end faces.
  • the connection plate 26 is fastened to the uppermost heat exchanger plate 2 'in a sealed manner with respect to the latter.
  • the connecting plate 26 has two connecting pieces 12 which are assigned to the passage openings 5 'for the supply and discharge of the first fluid, for example a coolant. In the sectional view shown in Fig. 2, however, is only one of the connecting pieces 12 can be seen.
  • the connection plate 26 In order to close the passage openings 5 assigned to the second fluid, in particular the oil to be cooled, the connection plate 26 has arches 13 which each protrude into a corresponding passage opening 5 of the uppermost heat exchanger plate 2. This results in an improved seal between the uppermost heat exchanger plate 2 ′ and the connecting plate 26, and the arches 13 also help in positioning the connecting plate 26 during the assembly of the plate heat exchanger 1.
  • passage openings 5 which are aligned one above the other form a passage channel 14, for example for the medium to be cooled, while the passage openings 5 'which are aligned one above the other form a passage channel 14', for example for the cooling medium.
  • another similarly designed passage channel 1' for the first fluid and a further passage channel 14 for the second fluid are provided in the plate heat exchanger 1, but both are not visible in this sectional view.
  • a first fluid circuit, here for the cooling medium, and a second fluid circuit, here for the medium to be cooled, are formed in the plate heat exchanger 1, on the one hand, a first of the passage openings 5 'and the passage channels 14' and the spaces between the heat exchanger plates 2 communicating therewith , which consists of the passage channels 14 and the passage opening 5 and the communicating spaces between the heat exchanger plates 2 and 2 '.
  • the passage channel 14 'shown on the right serves the inflow of the coolant, which is distributed in the associated spaces according to the arrows a, and the passage channel 14 shown on the left serves the inflow of the oil to be cooled, which in turn corresponds to the arrows b flows into the assigned gaps.
  • the outflow then takes place through the passage channels 14 and 14 ', not shown.
  • this body 20 For the connection of the plate heat exchanger 1 to another body 20, shown in part, for example to an engine block of a motor vehicle, this body 20 is provided with a connection surface 22 corresponding to the flat underside of the bottom, corresponding to FIG. 2, heat exchanger plate 2.
  • the passage channels 14 cover corresponding supply and discharge lines 23 for the second fluid (oil to be cooled), the passage openings 5 of the lowermost heat exchanger plate 2 forming the corresponding connection openings for the supply and discharge of the second fluid.
  • the passage channels 14 of the first fluid circuit are sealed at the passage openings 5 'in the lowermost heat exchanger plate 2 by appropriate sealing means with respect to the connected body 20, in particular, bulges in the manner of the bulges 13 on the connecting plate 26 can be provided on the connecting surface 22 of the body, to facilitate the positioning of the plate heat exchanger 1 on the body 20.
  • passages 15 extending perpendicular to the planes of the heat exchanger plates 2 are provided in the body.
  • Each passage 15 is formed from the mutually overlapping, interconnected collars 7 and 7 'of the openings 6 in the heat exchanger plates 2 and 2'. Because of their connection to one another, for example by soldering, the adjoining collars 7 and 7 'form a type of sleeve which can be subjected to pressure in its axial direction. The interior of this sleeve forms the passage 15.
  • a tie rod for example a screw 16 is passed through the passage 15, which on the one hand rests with its head 17 on the end face of the sleeve formed from the collars 7 and 7 'and on the other hand is anchored in the body 20 .
  • the end faces of the collars 7 'and 7 of the uppermost heat exchanger plate 2' or the adjacent heat exchanger plate 2 end together and form a support 18 serving as an abutment, on which the screw head 17 rests via a washer 19 and its tensile force in the Plate heat exchanger 1 initiates.
  • a plug pin or a threaded rod extending from the body 20 can serve as a tie rod, the plate heat exchanger 1 being accordingly fixed to the body 20 with screw nuts.
  • the plate heat exchanger 1 is attached to the body 20 as an example on the left side.
  • an inlet line 23 is provided which communicates with the inlet of the second fluid circuit of the plate heat exchanger 1, to which the passage channels 14, the openings 5 and the associated spaces are assigned.
  • Coaxial to the feed line 23 is an annular groove 24 in the connection surface 22 of the body 20, into which a sealing ring 21 is inserted in order to seal the body 20 against the second fluid circuit of the plate heat exchanger 1.
  • additional sealing rings may be provided in the pad 22 of the body 20 to seal the open ends of the passageways 14 'of the first fluid circuit from the body 20.
  • each tie rod 16 arranged in the area of a corner of the plate heat exchanger 1 is used in order to achieve as uniform a distribution of the fastening forces as possible. Even when high pressures occur, the plate heat exchanger 1 cannot lift off the connected body 20, since the tie rods 16 counteract volume expansions of the plate heat exchanger 1 due to their high tensile strength from the top side of the plate heat exchanger 1 facing away from the body 20. A volume expansion of the plate heat exchanger 1 accordingly results in an increased pressing force of the plate heat exchanger 1 against the body 20 and thus also an increase in the sealing effect in the axial seals 21.

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)

Abstract

L'invention concerne un échangeur thermique à plaques (2, 2') comportant des plaques superposées à collerette (4), avec des tubulures de raccordement (12) munies d'orifices de raccordement (5) et avec des éléments de fixation qui comprennent au moins un passage (15) formé d'orifices (6, 27) en alignement mutuel dans les plaques (2, 2') et dans la plaque de raccordement (26) à travers lequel peut être guidé un tirant d'ancrage (16), dont une extrémité est en appui contre la plaque de raccordement (26) ou la plaque (2, 2') adjacente. Dans la zone des orifices (6, 27) alignés, chaque plaque (2, 2') est rendue étanche par rapport à la plaque (2, 2') adjacente.
EP98933510A 1997-05-27 1998-05-12 Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules Expired - Lifetime EP0928405B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19722074 1997-05-27
DE19722074A DE19722074A1 (de) 1997-05-27 1997-05-27 Plattenwärmetauscher, insbesondere Öl/Kühlmittel-Kühler für Kraftfahrzeuge
PCT/DE1998/001317 WO1998054527A2 (fr) 1997-05-27 1998-05-12 Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules

Publications (2)

Publication Number Publication Date
EP0928405A2 true EP0928405A2 (fr) 1999-07-14
EP0928405B1 EP0928405B1 (fr) 2000-08-09

Family

ID=7830587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98933510A Expired - Lifetime EP0928405B1 (fr) 1997-05-27 1998-05-12 Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules

Country Status (6)

Country Link
US (1) US6161615A (fr)
EP (1) EP0928405B1 (fr)
JP (1) JP3898768B2 (fr)
DE (2) DE19722074A1 (fr)
ES (1) ES2150815T3 (fr)
WO (1) WO1998054527A2 (fr)

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EP1132694A4 (fr) * 1998-10-19 2009-06-03 Ebara Corp Echangeur de chaleur pour solution destine a des machines refrigerantes a absorption
DE19939264B4 (de) 1999-08-19 2005-08-18 Behr Gmbh & Co. Kg Plattenwärmeübertrager
JP2002168591A (ja) 2000-11-29 2002-06-14 Denso Corp アルミニウム製熱交換器
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US7328886B2 (en) * 2001-10-11 2008-02-12 Spx Cooling Technologies, Inc. Air-to-air atmospheric heat exchanger for condensing cooling tower effluent
DE10243522A1 (de) * 2002-09-19 2004-04-01 Modine Manufacturing Co., Racine Plattenwärmeübertrager
SE524176C2 (sv) * 2002-11-01 2004-07-06 Ep Technology Ab Värmeväxlare med förstärkningsorgan
DE10347181B4 (de) * 2003-10-10 2005-12-22 Modine Manufacturing Co., Racine Wärmetauscher, insbesondere Ölkühler
DE102004003790A1 (de) * 2004-01-23 2005-08-11 Behr Gmbh & Co. Kg Wärmetauscher, insbesondere Öl-/Kühlmittel-Kühler
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KR101663268B1 (ko) 2008-12-17 2016-10-06 스웹 인터네셔널 에이비이 강화된 열교환기
MY155988A (en) 2008-12-17 2015-12-31 Swep Int Ab Port opening of heat exchanger
US20100243200A1 (en) * 2009-03-26 2010-09-30 Modine Manufacturing Company Suction line heat exchanger module and method of operating the same
US20110024095A1 (en) * 2009-07-30 2011-02-03 Mark Kozdras Heat Exchanger with End Plate Providing Mounting Flange
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DE102010045535C5 (de) * 2010-09-15 2017-09-14 Modine Manufacturing Co. Plattenwärmetauscher
EP2584301B1 (fr) * 2011-10-19 2014-08-13 WS-Wärmeprozesstechnik GmbH Caloporteur à température élevée
EP2618089B1 (fr) * 2012-01-23 2018-12-19 Danfoss A/S Échangeur de chaleur et procédé de fabrication d'un échangeur de chaleur
ES2698099T3 (es) * 2012-01-23 2019-01-31 Danfoss As Intercambiador de calor y método para fabricar un intercambiador de calor
EP2618093A3 (fr) * 2012-01-23 2015-03-18 Danfoss A/S Échangeur de chaleur, plaque d'échangeur de chaleur et procédé de fabrication d'un échangeur de chaleur
WO2013159172A1 (fr) 2012-04-26 2013-10-31 Dana Canada Corporation Échangeur de chaleur muni d'un module adaptateur
ES2725228T3 (es) * 2012-11-07 2019-09-20 Alfa Laval Corp Ab Paquete de placas y método de fabricación de un paquete de placas
JP6126358B2 (ja) * 2012-11-08 2017-05-10 株式会社マーレ フィルターシステムズ 多板式オイルクーラ
JP6192564B2 (ja) * 2014-02-18 2017-09-06 日新製鋼株式会社 プレート式熱交換器およびその製造方法
JP6798115B2 (ja) * 2016-03-11 2020-12-09 株式会社豊田中央研究所 化学蓄熱反応器、及び化学蓄熱システム
SE541284C2 (en) * 2016-05-30 2019-06-11 Alfa Laval Corp Ab A plate heat exchanger
SE1651224A1 (en) * 2016-09-12 2018-03-13 Swep Int Ab Heat exchanger having through hole for fastening of hydro block
DE112018001475A5 (de) * 2017-03-21 2019-11-28 Pewo Energietechnik Gmbh Anschlussanordnung und verbindungsanordnung für plattenwärmeübertrager
CN108515250B (zh) * 2018-03-28 2020-05-22 江苏宝得换热设备股份有限公司 一种板式换热器镍钎焊生产工艺
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Also Published As

Publication number Publication date
ES2150815T3 (es) 2000-12-01
JP2001526765A (ja) 2001-12-18
WO1998054527A2 (fr) 1998-12-03
DE59800230D1 (de) 2000-09-14
WO1998054527A3 (fr) 1999-05-06
EP0928405B1 (fr) 2000-08-09
US6161615A (en) 2000-12-19
JP3898768B2 (ja) 2007-03-28
DE19722074A1 (de) 1998-12-03

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