EP0893667B1 - Gehäuseloser Plattenwärmetauscher - Google Patents
Gehäuseloser Plattenwärmetauscher Download PDFInfo
- Publication number
- EP0893667B1 EP0893667B1 EP98111322A EP98111322A EP0893667B1 EP 0893667 B1 EP0893667 B1 EP 0893667B1 EP 98111322 A EP98111322 A EP 98111322A EP 98111322 A EP98111322 A EP 98111322A EP 0893667 B1 EP0893667 B1 EP 0893667B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- portions
- shell
- plate heat
- cover 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
Links
Images
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 large number of deformed, stacked and stacked heat exchanger plates, which have separate flow channels for heat-exchanging media and with exiting connections for the supply and discharge of at least one medium and with the base plate and cover plate that complete the heat exchanger plates 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 be both smooth and deformed Have cover plates.
- the cover plates form simultaneously the sealing surface, with the addition of a suitable seal.
- Smooth cover plates are here provided if radially outgoing connections for the cooling medium immediately below the cover plate are arranged. (Fig. 15) If deformed cover plates are used the connections below, in the area of the base plate, as is the case, for example, in FIG. 9 of the US patent is shown.
- the insertion of the connecting piece in the area below the cover plate is technically from Disadvantage because they are either in a lateral opening of the vertical edge of the cover plate located or placed on this opening. If the connecting pieces are attached, they are held temporarily before soldering, which requires devices. Are the connecting pieces used against it, the dimension of the holes in the lateral vertical wall be slightly larger than the diameter of the nozzle. Because of the coating of the material with solder, sometimes with different layer thickness, this insertion can therefore be difficult prepare. Furthermore, the tightness and strength of the solder joint are also through affects the size of the areas to be connected. Since the soldering area is relatively small here, it can increasingly leaky or insufficient strength connections. From another US patent no.
- 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 parts joined partially over the On the edge of the heat exchanger plates projecting areas, the half-shell-shaped Have sections for receiving a connecting piece that have openings in the lower part of the Cover plate in connection with the flow channel of the medium through the plate heat exchanger are.
- the length of the half-shell-like sections is chosen so that a sufficiently large soldering area for the connecting pieces within these sections is available: These sections are preferably a small amount over the edge of the heat exchanger plates, whereby the size of the soldering area is variable.
- a major advantage of such training is in that the solder joint can be done in one step without additional Auxiliary devices for clamping the parts are necessary. The action of a force from above that when soldering such plate heat exchangers is necessary in any case and simply by the support of a metal block can be achieved is completely sufficient for the connecting piece to be soldered with high quality in the half-shell-like sections.
- the upper part of the cover plate ie the one that forms the sealing surface to the filter, has one circular shape, so that the sealing surface is annular.
- this sealing surface there may be a ring seal, i.e. the sealing surface has a circumferential bead in which the ring seal is inserted.
- the expression serves at the same time to stiffen the cover plate and makes it possible to provide smaller sheet thicknesses.
- the lower cover plate can also be shaped have for stiffening.
- the only figure shows an exploded view of the housing-less plate heat exchanger 1.
- the package of heat exchanger plates 2 was shown in principle below and is in on formed in a known manner so that separate flow channels 8 for the coolant and for the oil emerge.
- Such plate heat exchangers 1 usually have a slightly thicker lower one 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 through flow openings 12 and the central one Flow opening 13 indicated.
- 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 tightly soldered to one another that at least the mixing the coolant with the oil is excluded and neither coolant nor oil to the outside can exit.
- 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 expression 9, which for Support of an oil filter, not shown, but at the same time the cover plate 3a has a higher stability gives so that it can consist of a thinner sheet.
- the expression 9 is with a provided annular bead 14 which is provided for receiving a sealing ring.
- the central one Opening 13 serves to feed the oil into the filter and also to return the filtered one Oil.
- the oil could also be supplied through openings (not shown) within the expression 9 done.
- the half-shell-like sections 4 protrude over the edge 10 of the plate heat exchanger 1. You are provided both in the upper cover plate 3a and in the cover plate 3b arranged below. The half-shell-like sections 4 also make an additional contribution to the increase the rigidity of the cover plate 3. In one section 4 there is the connecting piece 5 for the inlet of the coolant into the plate heat exchanger 1 and in the other section 4 accordingly, the connection piece 6 is arranged for the return. Sections 4 in the lower cover plate 3b have approximately the same length. This length corresponds approximately to the protrusion 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 or 5 enclosed in the sections 4 6 are in fluid communication with the openings 7 and the flow channel 8.
- the inner ends 16; 17 of the sections 4 are provided with smooth transitions to the Keep flow resistance for the coolant low.
- connection piece 5 and 6 are designed here as a straight piece. Depending on the installation conditions the plate heat exchanger 1 could of course also knee-shaped connecting pieces here are used.
- beads 11 are embossed, with beads 11 around the connecting piece 5; 6 match. These beads 11 are used to position the connecting sockets 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)
Description
Claims (8)
- Gehäuseloser Plattenwärmetauscher, insbesondere flüssigkeitsgekühlter Ölkühler, mit einer Vielzahl verformter, ineinander gestapelter und ein Paket bildender Wärmetauscherplatten, die getrennte Strömungskanäle für wärmeaustauschende Medien aufweisen und mit austretenden Anschlüssen für die Zu-und Abführung mindestens eines Mediums sowie mit das Paket von Wärmetauscherplatten abschließender Grundplatte und einer Deckplatte sowie wahlweise mit einem aufgesetzten Ölfilter,
dadurch gekennzeichnet, daß
die Deckplatte (3) aus einer oberen (3a) und einer unteren Deckplatte (3b) besteht, die zusammengefügt und verbunden sind und die jeweils mindestens einen über den Rand (10) des Plattenwärmetauschers (1) ragenden halbschalenartig ausgebildeten Abschnitt (4) zur Aufnahme eines Anschlußstutzens (5 oder 6) besitzen, der über Öffnungen (7) in der unteren Deckplatte (3b) mit dem Strömungskanal (8) des Mediums durch den Plattenwarmetauscher (1) in Verbindung ist
und daß die obere Deckplatte (3a) eine ringförmige Ausprägung (9) aufweist, die als Dichtfläche zu einem darüber angeordneten Filter dient. - Gehäuseloser Plattenwärmetauscher nach Anspruch 1, dadurch gekennzeichnet, daß die Deckplatten (3a; 3b) jeweils zwei halbschalenartig ausgeprägte Abschnitte (4) aufweisen, wobei zwei Abschnitte den Anschlußstutzen (5) für den Zulauf und die beiden anderen Abschnitte (4) den Anschlußstutzen (6) für den Ablauf aufnimmt.
- Gehäuseloser Plattenwärmetauscher nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die halbschalenartigen Abschnitte (4) zur Aufnahme der Anschlußstutzen (5; 6) dicht nebeneinander angeordnet sind.
- Gehäuseloser Plattenwärmetauscher nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die halbschaligen Abschnitte (4) zur Aufnahme der Anschlußstutzen (5;6) an beliebigen Stellen des Umfanges des Plattenwärmetauschers (1) in den Deckplatten (3) angeordnet sind.
- Gehäuseloser Plattenwärmetauscher nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die ringförmige Ausprägung (9) eine Ringnut (14) zur Aufnahme einer Dichtung aufweist.
- Gehäuseloser Plattenwärmetauscher nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die halbschalenartigen Abschnitte (4) in der unteren Deckplatte (3b) kürzer sind, als die halbschalenartigen Abschnitte (4) in der oberen Deckplatte (3a).
- Gehäuseloser Plattenwärmetauscher nach einem der vorstehenden Abschnitte, dadurch gekennzeichnet, daß die inneren Enden (16;17) der halbschalenartigen Abschnitte (4) mit fließenden Übergängen ausgebildet sind.
- Gehäuseloser Plattenwärmetauscher nach einem der vorstehenden Ansprüchen, dadurch gekennzeichnet, daß die halbschalenartigen Abschnitte (4) und die Anschlußstutzen (5; 6) senkrecht zur Längsachse der Anschlußstutzen angeordnete periphere Sicken (11) aufweisen, die zueinander passen.
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 EP0893667A2 (de) | 1999-01-27 |
EP0893667A3 EP0893667A3 (de) | 1999-08-25 |
EP0893667B1 true EP0893667B1 (de) | 2002-03-20 |
Family
ID=7833710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98111322A Expired - Lifetime EP0893667B1 (de) | 1997-06-26 | 1998-06-19 | Gehäuseloser Plattenwärmetauscher |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0893667B1 (de) |
DE (2) | DE19727145A1 (de) |
ES (1) | ES2175557T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10152363A1 (de) * | 2001-10-24 | 2003-05-08 | Modine Mfg Co | Gehäuseloser Plattenwärmetauscher |
DE10304733A1 (de) * | 2003-02-06 | 2004-08-19 | Modine Manufacturing Co., Racine | Plattenwärmetauscher |
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 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234040A (en) * | 1978-06-22 | 1980-11-18 | Borg-Warner Corporation | Two fluid heat exchanger |
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 |
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 |
-
1997
- 1997-06-26 DE DE19727145A patent/DE19727145A1/de not_active Ceased
-
1998
- 1998-06-19 ES ES98111322T patent/ES2175557T3/es not_active Expired - Lifetime
- 1998-06-19 DE DE59803406T patent/DE59803406D1/de not_active Expired - Lifetime
- 1998-06-19 EP EP98111322A patent/EP0893667B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0893667A2 (de) | 1999-01-27 |
ES2175557T3 (es) | 2002-11-16 |
DE19727145A1 (de) | 1999-01-07 |
DE59803406D1 (de) | 2002-04-25 |
EP0893667A3 (de) | 1999-08-25 |
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