EP0928405B1 - Echangeur thermique a plaques, notamment refroidisseur d'huile/refrigerant pour vehicules - Google Patents

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

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Publication number
EP0928405B1
EP0928405B1 EP98933510A EP98933510A EP0928405B1 EP 0928405 B1 EP0928405 B1 EP 0928405B1 EP 98933510 A EP98933510 A EP 98933510A EP 98933510 A EP98933510 A EP 98933510A EP 0928405 B1 EP0928405 B1 EP 0928405B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
plate
adjacent
collar
passage
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
EP98933510A
Other languages
German (de)
English (en)
Other versions
EP0928405A2 (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
Mahle Filtersysteme 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 Mahle Filtersysteme GmbH filed Critical Mahle Filtersysteme 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

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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
    • F28D9/0031—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

  • 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 known from DE 43 14 808 of the aforementioned Art points to the tight closure of the plate heat exchanger on its, in the assembled state on the connected Body adjacent heat exchanger plate an end plate on.
  • This end plate can also be used as Fastener serve what they provide with holes is that with bolts or screws as fasteners cooperate to the plate heat exchanger for example to attach to an engine block.
  • a mounting plate suggested that according to individual Is trained and for example for the Attachment to a special engine block is prepared.
  • This mounting plate can be used in addition to the end plate be mounted on the plate heat exchanger or instead of the end plate on the connected body (e.g. engine block) be attached to the adjacent heat exchanger plate, the mounting plate then also simultaneously as an end plate serves.
  • a plate heat exchanger is known from EP 0 273 462 A2 known type, in which the circumferential collar a heat exchanger plate on the surrounding collar of the neighboring Heat exchanger plate or at the edge of the connection plate abuts and tightly connected with this, in particular is soldered.
  • the fasteners of this known plate heat exchanger include at least one passage that is made from each other aligned openings in the heat exchanger plates and in the connection plate is formed. Through the passage is a fasteners designed as tie rods can be carried out, the tie rod for fastening the plate heat exchanger one end in the area of the passage on the connection plate and / or on the adjacent heat exchanger plate on the outside rests and is anchored in the body at the other end.
  • Each heat exchanger plate is in the area of the aligned openings opposite the adjacent heat exchanger plate or sealed against the adjacent connection plate.
  • the aligned openings of the heat exchanger plates are each provided with a circumferential collar, the circumferential Collar of an opening of a heat exchanger plate on circumferential collar of the adjacent opening of the adjacent Heat exchanger plate or at the edge of the adjacent opening in the connection plate rests and with this joining technology tightly connected, in particular soldered.
  • the invention is concerned with the problem that the known end plate or mounting plate in the in such a plate heat exchanger occurring high Pressing can deform, with the oil cooler in the connection area of the connected body is lifted from it. On the one hand, this can lead to increased wear of the plate heat exchanger and on the other hand a reduced seal against the connected body.
  • An embodiment with the features of claim 2 enables a particularly simple connection, in particular Solder connection of the individual heat exchanger plates to each other, both on the circumferential collar of the heat exchanger plate as well as on the circumferential collar of the aligned openings.
  • each Heat exchanger plate 2 has a circumferential collar 4, which is at an angle of about 75 ° to the plane of the Heat exchanger plate 2, according to Fig. 1, angled upwards is.
  • Each heat exchanger plate 2 has four passage openings 5 or 5 ', of which in this sectional view however only two are recognizable.
  • the passage openings 5 and 5 'must be contrary to the illustrated embodiment do not have the same cross section.
  • Nearby of the circumferential collar 4 are in each heat exchanger plate 2 four openings 6 are provided, each with a circumferential Collar 7 are provided.
  • each of the two heat exchanger plates 2 3 or 3 ' there is a turbulence insert between each of the two heat exchanger plates 2 3 or 3 'arranged. Every turbulence insert points to the passage openings 5 and 5 'of the heat exchanger plates 2 corresponding openings 8 and 9.
  • the Openings 9 each have a sealing ring 10 introduced Outer diameter approximately the inner diameter of the opening 9 corresponds and its inner diameter approximately the inner diameter corresponds to the opening 5 or 5 '.
  • the inside diameter 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 and 3 ' are two openings 8 and two openings 9 with therein introduced sealing ring 10 provided, cut in the Representation of only one opening 8 and one Opening 9 and a sealing ring 10 are visible.
  • each turbulence insert 3 or 3 'contains four Openings 11 the openings 6 of the heat exchanger plates 2nd are assigned and their inner diameter approximately the outer diameter at the neck of the collar 7 corresponds to the opening 6.
  • the openings 5 are on the left and the openings 5 'on the right side of the heat exchanger plates intended.
  • the turbulence inserts 3 have the sealing rings 10 on her right and the turbulence inserts 3 ' their left side on.
  • the sealing rings 10 have approximately the same thickness as the turbulence inserts 3 or 3 '.
  • the sealing rings 10 can a metallic material or a plastic or be made of ceramic.
  • the gaps alternately fill with the Cooling fluid and the fluid to be cooled, for example oil.
  • Spaces can be assigned to the coolant, wherein the associated turbulence inserts 3 and those adjoining them Heat exchanger plates 2 with a curly marked with a Bracket marked on the left side of FIG. 1 are.
  • that's cooling Fluid the openings 5 'and the spaces communicating therewith associated with the turbulence inserts 3 'what by the curly brackets marked b on the right side in Fig. 1 is marked.
  • FIG. 2 has a plate heat exchanger 1 stacked and sealed assembled heat exchanger plates 2 additionally a connection plate 26, in the, according to Fig. 2 top, heat exchanger plate 2 'is used and in a manner corresponding to that Turbulence inserts 3 and 3 'has openings 27 which the Openings 6 of the heat exchanger plate 2 are assigned.
  • the collars 4 'and 7' are the top ones Heat exchanger plate 2 'about half the size of the corresponding Collar 4 and 7 of another heat exchanger plate 2, so that the collars 4 'and 7' of the top heat exchanger plate 2 'and the collars 4 and 7 of the adjacent heat exchanger plate 2 end together at their free ends.
  • the individual heat exchanger plates 2 and 2 ' are on their overlapping collar 4, 4 ', 7, 7' for example Soldering tightly connected.
  • the connection plate is also 26 on the top heat exchanger plate 2 'opposite this attached sealed.
  • connection plate 26 has two connecting pieces 12 which the passage openings 5 'for the supply and discharge of the first Fluids, for example a coolant, are assigned. In the sectional view shown in Fig. 2, however, is only one of the connecting pieces 12 can be seen.
  • the connection plate 26th Arches 13 each in a corresponding passage opening 5 protrude into the top heat exchanger plate 2. This will improve the seal between the top one Heat exchanger plate 2 'and the connecting plate 26 reached, the arches 13 also help with positioning the connector plate 26 during assembly of the Plate heat exchanger 1.
  • the passage channel 14 'shown on the right serves the inflow the coolant, which is according to the arrows a distributed in the assigned spaces, and the left shown passage channel 14 the inflow of the oil to be cooled, this in turn according to the arrows b in the assigned Gaps in between.
  • the outflow then takes place in each case through the passage channels 14 and 14 ', not shown.
  • the engine block of a motor vehicle is this body 20 with one to the flat underside of the bottom, according to FIG. 2, Heat exchanger plate 2 corresponding, pad 22 provided.
  • the passageways 14 overlap corresponding supply and discharge lines 23 for the second Fluid (oil to be cooled), the passage openings 5 of the lowest heat exchanger plate 2 the corresponding connection openings form for the supply and discharge of the second fluid.
  • the passage channels 14 of the first fluid circuit are thereby at the passage openings 5 'in the lowest heat exchanger plate 2 by appropriate sealant against the connected body 20 sealed, in particular can at the pad 22 of the body bulges in the manner the curvatures 13 can be provided on the connecting plate 26, to position the plate heat exchanger 1 on the To facilitate body 20.
  • each passage 15 is made up of the mutually overlapping interconnected collar 7 or 7 'of the openings 6 formed in the heat exchanger plates 2 and 2 '. Because of their connection with each other, for example by Solder, form the adjacent collars 7 and 7 ' a kind of sleeve that can withstand pressure in its axial direction is. The interior of this sleeve forms the Passage 15.
  • one Body 20 becomes a tie rod through passage 15, for example a screw 16 performed on the one hand with her Head 17 on the end face of the collar 7 or 7 ' formed sleeve rests and on the other hand anchored in the body 20 is.
  • the end End faces of the collar 7 'and 7 of the uppermost heat exchanger plate 2 'or the adjacent heat exchanger plate 2 together and form a support that serves as an abutment 18, on which the screw head 17 via a washer 19 rests and its tensile force in the plate heat exchanger 1 initiates.
  • Screw 16 can be a socket bolt extending from the body 20 or a threaded rod serve as a tie rod, the Plate heat exchanger 1 accordingly with screw nuts is set on the body 20.
  • the plate heat exchanger 1 is on the left side attached to the body 20 as an example.
  • an inlet line 23 provided with the inflow of the second fluid circuit communicates the plate heat exchanger 1, the passages 14, the openings 5 and the associated Spaces are assigned.
  • Coaxial with the feed line 23 is an annular groove 24 in the pad 22 of the body 20th except in which a sealing ring 21 is inserted to the Body 20 opposite the second fluid circuit of the plate heat exchanger 1 seal.
  • others can Sealing rings are provided in the connection surface 22 of the body 20 be the open ends of the passages 14 ' the first fluid circuit to seal against the body 20.
  • the plate heat exchanger introduced through the passage 15 1 penetrating screw 16 is in the body 20 in a Threaded hole 25 screwed in.

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  • 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)

Claims (6)

  1. Echangeur de chaleur à plaques, en particulier refroidisseur d'huile ou de fluide de refroidissement pour moteurs à combustion interne, comportant
    plusieurs plaques échangeuses de chaleur en forme de cuvette (2, 2') empilées qui présentent une collerette périphérique (4, 4'),
    une plaque de raccordement (26) qui présente des tubulures de raccordement (12) pour l'arrivée et le départ d'un premier fluide,
    des ouvertures de raccordement pour l'arrivée et le départ d'un deuxième fluide,
    des éléments de fixation (15) qui coopèrent avec des moyens de fixation (16) pour la fixation de l'échangeur de chaleur à plaques (1) à un autre corps (20), et
    ayant les caractéristiques suivantes :
    la collerette périphérique (4, 4') d'une plaque échangeuse de chaleur (2, 2') s'appuie sur la collerette périphérique (4, 4') de la plaque échangeuse de chaleur (2, 2') voisine ou sur le bord de la plaque de raccordement (26) et est jointe de manière étanche, en particulier brasée, à celle-ci ou celui-ci.
    les éléments de fixation comprennent au moins un passage (15) qui est formé par des ouvertures alignées (6, 27) des plaques échangeuses de chaleur (2, 2') et de la plaque de raccordement (26),
    par le passage (15) peut être passé un moyen de fixation formé d'un tirant (16), et pour la fixation de l'échangeur de chaleur à plaques (1), le tirant (16), à une extrémité, s'appuie extérieurement dans la zone du passage (15) sur la plaque de raccordement (26) et/ou sur la plaque échangeuse de chaleur (2') contiguë à celle-ci et, à l'autre extrémité, est ancré dans le corps (20),
    chaque plaque échangeuse de chaleur (2, 2') est, dans la zone des ouvertures alignées (6, 27), étanchée vis-à-vis de la plaque échangeuse de chaleur (2, 2') voisine ou vis-à-vis de la plaque de raccordement (26) contiguë,
    les ouvertures alignées (6) des plaques échangeuses de chaleur (2, 2') sont pourvues chacune d'une collerette périphérique (7, 7'),
    la collerette périphérique (7, 7') d'une ouverture (6) d'une plaque échangeuse de chaleur (2, 2') s'appuie sur la collerette périphérique (7, 7') de l'ouverture contiguë (6) de la plaque échangeuse de chaleur (2, 2') voisine ou sur le bord de l'ouverture, contiguë (26) de la plaque de raccordement (26) et est jointe de manière étanche, en particulier brasée, à celle-ci ou celui-ci,
    caractérisé par les caractéristiques suivantes :
    les collerettes (7, 7') des ouvertures (6) sont placées sur les plaques échangeuses de chaleur (2, 2') de façon que lors de la fixation de l'échangeur de chaleur à plaques (1) au corps (20), elles soient dirigées à l'opposé du corps (20), et
    le côté frontal libre de la collerette (7') de chaque ouverture (6) d'une plaque échangeuse de chaleur (2') contiguë à la plaque de raccordement (26) forme une butée (18) pour le tirant (16).
  2. Echangeur de chaleur à plaques selon la revendication 1, caractérisé par le fait que la collerette (7, 7') de chaque ouverture (6) et la collerette périphérique (4, 4') de la plaque échangeuse de chaleur (2, 2') présentent le même angle d'inclinaison par rapport au plan de la plaque échangeuse de chaleur (2, 2').
  3. Echangeur de chaleur à plaques selon l'une des revendications 1 et 2, caractérisé par le fait que le côté frontal libre de la collerette (7') de l'ouverture (6) d'une plaque échangeuse de chaleur (2') contiguë à la plaque de raccordement (26) se termine en commun avec le côté frontal libre de la collerette (7) des ouvertures (6) de la plaque échangeuse de chaleur (2) voisine, ces côtés frontaux libres contigus formant ensemble une butée (18) pour le tirant (16).
  4. Echangeur de chaleur à plaques selon l'une des revendications 1 à 3, caractérisé par le fait que la collerette (7, 7') de chaque ouverture (6) et la collerette périphérique (4, 4') de la plaque échangeuse de chaleur (2, 2') font saillie du même côté de la plaque échangeuse de chaleur (2, 2').
  5. Echangeur de chaleur à plaques selon l'une des revendications 1 à 4, caractérisé par le fait que le tirant passant par un passage (15) pour la fixation de l'échangeur de chaleur à plaques (1) au corps correspondant (20) est une vis (16).
  6. Echangeur de chaleur à plaques selon l'une des revendications précédentes, caractérisé par le fait que la plaque échangeuse de chaleur (2) contiguë au corps (20) lors de la fixation de l'échangeur de chaleur à plaques (1) est plane sur son côté extérieur au moins dans la zone des ouvertures de raccordement (5) pour l'arrivée et le départ du deuxième fluide.
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 EP0928405A2 (fr) 1999-07-14
EP0928405B1 true 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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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
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Also Published As

Publication number Publication date
ES2150815T3 (es) 2000-12-01
JP2001526765A (ja) 2001-12-18
EP0928405A2 (fr) 1999-07-14
WO1998054527A2 (fr) 1998-12-03
DE59800230D1 (de) 2000-09-14
WO1998054527A3 (fr) 1999-05-06
US6161615A (en) 2000-12-19
JP3898768B2 (ja) 2007-03-28
DE19722074A1 (de) 1998-12-03

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