EP0851198B1 - Arrangement of heat exchangers - Google Patents

Arrangement of heat exchangers Download PDF

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Publication number
EP0851198B1
EP0851198B1 EP97122258A EP97122258A EP0851198B1 EP 0851198 B1 EP0851198 B1 EP 0851198B1 EP 97122258 A EP97122258 A EP 97122258A EP 97122258 A EP97122258 A EP 97122258A EP 0851198 B1 EP0851198 B1 EP 0851198B1
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EP
European Patent Office
Prior art keywords
coolant
heat exchanger
heat exchangers
cover plate
openings
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
EP97122258A
Other languages
German (de)
French (fr)
Other versions
EP0851198A2 (en
EP0851198A3 (en
Inventor
Andreas Dipl.-Ing. Grüner
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 Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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Filing date
Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP0851198A2 publication Critical patent/EP0851198A2/en
Publication of EP0851198A3 publication Critical patent/EP0851198A3/en
Application granted granted Critical
Publication of EP0851198B1 publication Critical patent/EP0851198B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/0246Arrangements for connecting header boxes with flow lines
    • F28F9/0251Massive connectors, e.g. blocks; Plate-like connectors
    • F28F9/0253Massive connectors, e.g. blocks; Plate-like connectors with multiple channels, e.g. with combined inflow and outflow channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-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
    • F28D9/0031Heat-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
    • F28D9/0043Heat-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
    • F28D9/005Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-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
    • F28D9/0093Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/0246Arrangements for connecting header boxes with flow lines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/026Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00Heat exchange
    • Y10S165/916Oil cooler

Definitions

  • the invention relates to a heat exchanger arrangement, in particular a Oil cooler for the automotive industry.
  • Such a heat exchanger is known from DE-GBM 93 09 741.
  • the heat exchanger can be attached as a unit, at the same time also the inlet and outlet via the mounting plate from below can take place.
  • the present invention is therefore based on the object, a heat exchanger assembly of the type mentioned above in such a way that several Cooler are summarized into one unit, without a separate effort must be driven for the supply of the coolant.
  • both heat exchangers to be flowed through in parallel by coolant and their connection channels for the coolant via the connecting channel to a common, one of two heat exchanger associated, abutment abut.
  • the radiator and / or the servo oil cooler heat exchanger for the cooling of additional media, in particular for the Cooling of gear oil and diesel to be set up, whose Connections for the coolant with those of the blocks of the other two radiators and with those of the cover plate are aligned.
  • the individual adaptable to the needs of different vehicle types is, but because they only have an adapter plate as a fastener has and is extremely compact, in a simple and space-saving manner can be installed. It can for each of the coolers of the existing coolant connection and Outflow can be used.
  • Fig. 1 is a heat exchanger assembly according to the invention shown, consisting of an adapter plate 1 and fixed with their associated heat exchangers 2, 3, 4 and 5 consists.
  • the Adapter plate 1 is covered by a cover plate 6, on the the two heat exchangers 2 and 5 are mounted.
  • adapter plate 1 and cover plate 6 are slightly larger than that Base of the heat exchanger 2 and 5, and on the in Fig. 1 to the left front free area of the cover plate 6 are two Connecting pieces 7 and 8 respectively with terminals 9 and 10 or 11 and 12 provided, as well as between these two sockets lying connecting piece 13, the - as explained will be - as a common supply for the heat exchanger 2, 3, 4 and 5 flows through coolant.
  • the connections 9 and 10 of the nozzle 7 serve to act the heat exchanger 2 with the medium to be cooled, the Embodiment of the engine oil.
  • the connection openings 11 and 12 serve to supply the oil for the power steering, i. of the so-called servo oil.
  • the two each on top Heat exchanger 3 and 4 are each again with a supply port 14 and 15 with the supply and discharge openings 16, 17 or 18, 19 on the one hand for diesel oil (heat exchanger 3) and on the other hand designed for transmission oil (heat exchanger 4).
  • the heat exchanger 3 a discharge nozzle 20, through which the through the pipe 13th supplied coolant flows out again.
  • All heat exchangers 2, 3, 4 and 5 are in the form of disc coolers designed, each with a specific Distance to each other stacked discs each form flow spaces between them alternately flows through the coolant or from the agent to be cooled become.
  • the flow and supply of the both media to the individual chambers in each case in well-known Wise.
  • the chambers are outwardly bent by one side and mutually overlapping edges of the layered one another Slices completed. All heat exchangers are soldered tight.
  • Fig. 2 shows that the adapter plate 1 with a plurality of grooves is provided in the form of connecting channels 21 to 27, all in the example of an aluminum alloy existing adapter plate are milled.
  • a Aluminiumyakgußplatte a Provide plastic plate.
  • This adapter plate 1 is shown by that shown in FIG Cover plate 6 completed, so that the channels 21 to 27 are closed. These channels are but through the cover plate 6 up through with various connections in Connection to be briefly discussed.
  • Fig. 3 shows that the cover plate except with the connection piece 7 and 8 and 13, respectively, previously mentioned have, still provided with openings 28 to 35, respectively with the ends of the provided in the adapter plate 1 channels 21 to 27 are aligned.
  • the position of the openings 28 to 35 is dashed located in Fig. 2.
  • the coolant for example, also for cooling the engine used coolant, therefore, flows through the nozzle 13th in the two channels 23 and 24 of the adapter plate 1 and is distributed from there to the openings 31 and 32 in the Cover plate 6.
  • the coolant then from the opening 31 and from the aligned with her Openings 38 in the sense of the dashed arrows of Fig. 4 in each chamber of the heat exchanger 2 U-shaped to the with the Opening 30 in the cover plate 6 aligned openings 39 and From there you can continue to the top with the opening 39 aligned passages 40 and 42 in the downstream Intermediate plate 41, between the heat exchangers 2 and 3 sits, and thence through the opening 42 to the outlet port 20th reach.
  • the medium to be cooled in the present example the engine oil, enters for example through the opening 9 in the socket 7, enters the channel 21 and the opening 28 in the cover plate 6, from where it passes through the openings 36 in the heat exchanger. 2 in the neighboring of the coolant flowed through layers Chambers comes and in the sense of arrows 43 by the well-known in Way through a partition 44 U-shaped chambers the heat exchanger 2 is guided to the openings 37, which are aligned with the opening 29 in the cover plate 6, so that the medium to be cooled via this to the outlet port 10 leading channel 22 passes.
  • Coolant and to be cooled Medium are therefore arranged in offset from each other Layers in a conventional manner in countercurrent to each other guided, but here the feed pipe 13 and the discharge pipe 20 for the coolant not only for the heat exchanger 2 or, as will be explained, for the on it arranged heat exchanger 3, but also for the heat exchanger 5 for the servo oil for the steering and for it seated transmission oil heat exchanger 4 is used.
  • an intermediate plate 41 and 53 provided that the connections for the coolant with those of the underlying heat exchanger and with the adapter plate 1 are aligned.
  • the intermediate plate 41 therefore has the opening 38, which with the same numbered opening in the heat exchanger 2 and thus with the opening 31 in the Cover plate 6 is aligned.
  • Heat exchanger 3 open now can the coolant again in the sense of arrows 47 in the associated chambers of the heat exchanger 3 circulate and occurs again through the opening 39 to the outlet nozzle 20 out.
  • the heat exchanger 4 is moved, by an intermediate plate 53 (Fig. 5) from the underlying Heat exchanger 5 is disconnected.
  • the opening is aligned 45 in the intermediate plate 53 with the feed openings 45th and with the opening 32 in the cover plate 6, so that the coolant also in the sense of the arrows 47 from the openings 45 ' coming through the associated chambers of the heat exchanger. 4 flows while the medium to be cooled, through the opening 18 of the connecting piece 15 flows through the openings 48 ' each in the sense of arrows 50 in adjacent chambers to the Openings 49 is guided, in turn, with the discharge opening 19 in connection.
  • the two heat exchangers 3 and 4 also to put on the other side of the adapter plate 1 and the supply of the coolant in each case at the points 31 and 32nd to let down done when the adapter plate 1 is not with grooves but provided with through recesses is.
  • the Zu- and Discharge of diesel oil or gear oil to the connecting piece 14 and 15 from the other side is not always easy.

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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)
  • General Details Of Gearings (AREA)

Description

Die Erfindung betrifft eine Wärmeübertrageranordnung, insbesondere einen Ölkühler für den Kraftfahrzeugbau.The invention relates to a heat exchanger arrangement, in particular a Oil cooler for the automotive industry.

Ein solcher Wärmeübertrager ist aus dem DE-GBM 93 09 741 bekannt. Dort hat man einem aus plattenförmigen Wärmetauschelementen aufgebauten Kühler wie er in der Praxis zur Ölkühlung verwendet wird, an der Unterseite eine Adapterplatte zugeordnet, die mit einer Befestigungsplatte verbunden ist, welche die mit Aussparungen zur Bildung eines Kanales vorgesehene Adapterplatte einseitig abschließt und mit einer Zuführöffnung für das Kühlmittel versehen ist. Durch diese Ausgestaltung kann der Wärmeübertrager als Einheit befestigt werden, wobei gleichzeitig auch der Zu- und Ablauf über die Befestigungsplatte von unten her erfolgen kann. Es gibt eine Reihe von Anwendungsmöglichkeiten, bei denen mehrere Kühler für Zusatzaggregate, beispielsweise ein Motorölkühler, ein Servoölkühler oder auch Kühler für das Getriebeöl oder für Dieselöl vorgesehen sein sollen, die dann alle einzeln an geeigneter Stelle unterzubringen sind. Dies ist zum einen aufwendig, zum anderen steht aber auch nicht immer der Platz für die Unterbringung der einzelnen Kühleraggregate zur Verfügung.Such a heat exchanger is known from DE-GBM 93 09 741. There has one of a plate-shaped heat exchange elements constructed cooler as it is used in practice for oil cooling, at the bottom of an adapter plate assigned, which is connected to a mounting plate, which the with recesses to form a channel provided adapter plate on one side closes and is provided with a supply opening for the coolant. By this embodiment, the heat exchanger can be attached as a unit, at the same time also the inlet and outlet via the mounting plate from below can take place. There are a number of uses that require multiple coolers for additional equipment, such as a motor oil cooler, a servo oil cooler or Also cooler for the gear oil or diesel oil should be provided, the then all individually be accommodated in a suitable place. This is for one consuming, but on the other hand is not always the place for the accommodation the individual radiator units available.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Wärmeübertrageranordnung der eingangs genannten Art so auszubilden, daß mehrere Kühler zu einer Einheit zusammenfaßbar sind, ohne daß ein gesonderter Aufwand für die Zuführung des Kühlmittels getrieben werden muß. The present invention is therefore based on the object, a heat exchanger assembly of the type mentioned above in such a way that several Cooler are summarized into one unit, without a separate effort must be driven for the supply of the coolant.

Ausgehend von der Idee, eine Adapterplatte zu verwenden, ist die Erfindung zur Lösung dieser Aufgabe durch die Merkmale des Patentanspruches 1 gekennzeichnet.Based on the idea to use an adapter plate, the invention to solve this problem by the features of claim 1.

Durch diese Ausgestaltung können über einen gemeinsamen Kühlmittelanschluß zwei, oder wie später noch gezeigt werden wird, auch mehr Wärmeübertrager angeschlossen werden, die alle gemeinsam über die Adapterplatte befestigbar sind. Dabei können in Weiterbildung der Erfindung beide Wärmeübertrager parallel von Kühlmittel durchströmt sein und ihre Anschlußkanäle für das Kühlmittel über den Verbindungskanal an einem gemeinsamen, einem der beiden Wärmeübertrager zugeordneten, Abschlußstutzen anliegen.By this configuration, via a common coolant connection two, or as will be shown later, also more heat exchangers be connected, all together via the adapter plate are fastened. In this case, in development of the invention, both heat exchangers to be flowed through in parallel by coolant and their connection channels for the coolant via the connecting channel to a common, one of two heat exchanger associated, abutment abut.

Es hat sich als zweckmäßig erwiesen, einen dieser beiden Wärmeübertrager für die Kühlung des Motoröles, und den anderen für die Kühlung des Öles für die Servolenkung auszulegen, weil diese beiden Kühler sozusagen die Grundausstattung für Fahrzeuge verschiedener Typen und Leistungen darstellen. It has proved to be useful, one of these two heat exchanger for the cooling of the engine oil, and the other for the cooling of the oil for the To design power steering, because these two coolers, so to speak, the basic equipment represent for vehicles of different types and performances.

In Weiterbildung der Erfindung können wahlweise auf den Block des Motorkühlers und/oder des Servoölkühlers Wärmeübertrager für die Kühlung zusätzlicher Medien, insbesondere für die Kühlung von Getriebeöl und Dieselöl aufgesetzt sein, deren Anschlüsse für das Kühlmittel mit jenen der Blöcke der anderen beiden Kühler und mit jenen der Deckplatte fluchten. Auf diese Weise kann ein kompakter Zusammenbau verschiedener Kühler erreicht werden, die alle einen gemeinsamen Kühlmittelanschluß und -abfluß haben, wobei der Abflußstutzen für das Kühlmittel dem Motorölkühler, oder dem auf diesen aufgesetzten Dieselölkühler zugeordnet werden kann. Durch die Erfindung ergibt sich eine Wärmeübertrageranordnung, die individuell den Bedürfnissen verschiedener Fahrzeugtypen anpaßbar ist, die aber, da sie nur eine Adapterplatte als Befestigungselement aufweist und äußerst kompakt aufgebaut ist, in einfacher und platzsparender Weise einbaubar ist. Dabei kann für jeden der Kühler der schon vorhandene Kühlmittelanschluß und -abfluß verwendet werden.In a further development of the invention can optionally on the block the radiator and / or the servo oil cooler heat exchanger for the cooling of additional media, in particular for the Cooling of gear oil and diesel to be set up, whose Connections for the coolant with those of the blocks of the other two radiators and with those of the cover plate are aligned. On This way can be a compact assembly of different coolers be achieved, all a common coolant connection and drain, wherein the outlet nozzle for the Coolant the engine oil cooler, or put on this Can be assigned to diesel oil cooler. By the invention results in a heat exchanger arrangement, the individual adaptable to the needs of different vehicle types is, but because they only have an adapter plate as a fastener has and is extremely compact, in a simple and space-saving manner can be installed. It can for each of the coolers of the existing coolant connection and Outflow can be used.

Die Erfindung ist in der Zeichnung anhand eines Ausführungsbeispieles dargestellt und wird im folgenden erläutert. Es zeigen:

Fig. 1
eine perspektivische Darstellung einer Wärmeübertrageranordnung nach der Erfindung,
Fig. 2
die Darstellung einer Draufsicht der für die Anordnung der Fig. 1 verwendeten Adapterplatte,
Fig. 3
die Draufsicht auf die auf der Adapterplatte sitzenden Deckplatte,
Fig. 4
einen Querschnitt durch die beiden auf der Deckplatte angeordneten Scheibenölkühler für das Motoröl und für das Servolenkungsöl,
Fig. 5
die Ansicht der beiden die zuletzt genannten Kühler abschließenden Zwischenplatte,
Fig. 6
einen schematischen Querschnitt durch die beiden oben aufgesetzten Kühler für Dieselöl und für Getriebeöl, und
Fig. 7
die Draufsicht auf die beiden Abschlußplatten für die zuletzt genannten Kühler.
The invention is illustrated in the drawing with reference to an embodiment and will be explained below. Show it:
Fig. 1
a perspective view of a heat exchanger assembly according to the invention,
Fig. 2
1 is a plan view of the adapter plate used for the arrangement of FIG. 1;
Fig. 3
the top view of the seated on the adapter plate cover plate,
Fig. 4
a cross section through the two arranged on the cover plate disc oil cooler for the engine oil and the power steering oil,
Fig. 5
the view of the two last mentioned cooler final intermediate plate,
Fig. 6
a schematic cross section through the two top mounted radiator for diesel oil and gear oil, and
Fig. 7
the top view of the two end plates for the last-mentioned radiator.

In der Fig. 1 ist eine Wärmetauscheranordnung nach der Erfindung gezeigt, die aus einer Adapterplatte 1 und aus fest mit ihr verbundenen Wärmeübertragern 2, 3, 4 und 5 besteht. Die Adapterplatte 1 ist von einer Deckplatte 6 abgedeckt, auf der die beiden Wärmeübertrager 2 und 5 montiert sind. Adapterplatte 1 und Deckplatte 6 sind dabei etwas größer als die Grundfläche der Wärmeübertrager 2 und 5, und auf dem in Fig. 1 nach links vorne freien Bereich der Deckplatte 6 sind zwei Anschlußstutzen 7 und 8 jeweils mit Anschlüssen 9 und 10 bzw. 11 und 12 vorgesehen, sowie ein zwischen diesen beiden Stutzen liegender Anschlußstutzen 13, der - wie noch erläutert werden wird - als gemeinsamer Zuflußstutzen für das die Wärmeübertrager 2, 3, 4 und 5 durchströmende Kühlmittel dient. Die Anschlüsse 9 und 10 des Stutzens 7 dienen zur Beaufschlagung des Wärmeübertragers 2 mit dem zu kühlenden Medium, beim Ausführungsbeispiel des Motoröles. Die Anschlußöffnungen 11 und 12 dienen zur Zuführung des Öles für die Lenkhilfe, d.h. des sogenannten Servoöles. Die beiden jeweils oben aufgesetzten Wärmeübertrager 3 und 4 sind jeweils wieder mit einem Zufuhrstutzen 14 und 15 mit den Zufuhr- und Abfuhröffnungen 16, 17 bzw. 18, 19 einerseits für Dieselöl (Wärmeübertrager 3) und andererseits für Getriebeöl (Wärmeübertrager 4) ausgelegt. Beim Ausführungsbeispiel steht vom Wärmeübertrager 3 ein Ablaufstutzen 20 ab, durch den das durch den Stutzen 13 zugeführte Kühlmittel wieder abströmt. In Fig. 1 is a heat exchanger assembly according to the invention shown, consisting of an adapter plate 1 and fixed with their associated heat exchangers 2, 3, 4 and 5 consists. The Adapter plate 1 is covered by a cover plate 6, on the the two heat exchangers 2 and 5 are mounted. adapter plate 1 and cover plate 6 are slightly larger than that Base of the heat exchanger 2 and 5, and on the in Fig. 1 to the left front free area of the cover plate 6 are two Connecting pieces 7 and 8 respectively with terminals 9 and 10 or 11 and 12 provided, as well as between these two sockets lying connecting piece 13, the - as explained will be - as a common supply for the heat exchanger 2, 3, 4 and 5 flows through coolant. The connections 9 and 10 of the nozzle 7 serve to act the heat exchanger 2 with the medium to be cooled, the Embodiment of the engine oil. The connection openings 11 and 12 serve to supply the oil for the power steering, i. of the so-called servo oil. The two each on top Heat exchanger 3 and 4 are each again with a supply port 14 and 15 with the supply and discharge openings 16, 17 or 18, 19 on the one hand for diesel oil (heat exchanger 3) and on the other hand designed for transmission oil (heat exchanger 4). In the exemplary embodiment, the heat exchanger 3 a discharge nozzle 20, through which the through the pipe 13th supplied coolant flows out again.

Alle Wärmeübertrager 2, 3, 4 und 5 sind in der Art von Scheibenkühlern ausgestaltet, bei denen die jeweils mit einem bestimmten Abstand zueinander aufeinandergeschichteten Scheiben zwischen sich jeweils Strömungsräume bilden, die abwechselnd vom Kühlmittel bzw. von dem zu kühlenden Mittel durchströmt werden. Dabei erfolgt die Durchströmung und Zuführung der beiden Medien zu den einzelnen Kammern jeweils in bekannter Weise. Die Kammern sind außen durch nach einer Seite umgebogene und sich gegenseitig überlappende Ränder der aufeinandergeschichteten Scheiben abgeschlossen. Alle Wärmeübertrager sind dicht verlötet.All heat exchangers 2, 3, 4 and 5 are in the form of disc coolers designed, each with a specific Distance to each other stacked discs each form flow spaces between them alternately flows through the coolant or from the agent to be cooled become. The flow and supply of the both media to the individual chambers in each case in well-known Wise. The chambers are outwardly bent by one side and mutually overlapping edges of the layered one another Slices completed. All heat exchangers are soldered tight.

Wie aus Fig. 1 schon hervorgeht, wird das durch den Zulaufstutzen 13 eingeführte Kühlmittel zur Durchströmung aller Wärmeübertrager 2 bis 5 ausgenützt, während das zu kühlende Medium jeweils den einzelnen Wärmeübertragern getrennt, aber ebenfalls von derselben Seite aus zugeführt wird, von der aus auch das Kühlmittel in den Stutzen 13 eintritt. Auch der Abflußstutzen 20 ragt nach derselben Seite ab, so daß alle Anschlüsse für die die Wärmeübertrager durchströmenden Medien von einer Seite her erfolgen. Die Adpaterplatte ist daher nach der anderen Seite hin geschlossen und kann als gemeinsame Befestigungsplatte dienen, wie das in Fig. 2 auch angedeutet ist.As already apparent from Fig. 1, this is through the inlet nozzle 13 introduced coolant to flow through all Heat exchanger 2 to 5 exploited while the cooled Medium each separate the individual heat exchangers, but is also supplied from the same side, from the also the coolant enters the nozzle 13. Also the spout 20 protrudes on the same side, so that all connections for the media flowing through the heat exchangers done from one side. The adapter plate is therefore closed on the other side and can be considered as common Serve mounting plate, as indicated in Fig. 2 also is.

Die Fig. 2 zeigt, daß die Adapterplatte 1 mit mehreren Nuten in der Form von Verbindungskanälen 21 bis 27 versehen ist, die alle in die beispielsweise aus einer Aluminiumlegierung bestehende Adapterplatte eingefräst sind. Natürlich wäre es auch möglich, anstelle einer Aluminiumdruckgußplatte eine Kunststoffplatte vorzusehen.Fig. 2 shows that the adapter plate 1 with a plurality of grooves is provided in the form of connecting channels 21 to 27, all in the example of an aluminum alloy existing adapter plate are milled. Of course it would be also possible, instead of a Aluminiumdruckgußplatte a Provide plastic plate.

Diese Adapterplatte 1 ist durch die in der Fig. 3 gezeigte Deckplatte 6 abgeschlossen, so daß auch die Kanäle 21 bis 27 geschlossen sind. Diese Kanäle stehen aber durch die Deckplatte 6 hindurch nach oben mit verschiedenen Anschlüssen in Verbindung, auf die kurz eingegangen werden soll. This adapter plate 1 is shown by that shown in FIG Cover plate 6 completed, so that the channels 21 to 27 are closed. These channels are but through the cover plate 6 up through with various connections in Connection to be briefly discussed.

Die Fig. 3 zeigt, daß die Deckplatte außer mit den Anschlußstutzen 7 und 8 bzw. 13, die vorher schon Erwähnung gefunden haben, noch mit Öffnungen 28 bis 35 versehen ist, die jeweils mit den Enden der in der Adapterplatte 1 vorgesehenen Kanäle 21 bis 27 fluchten. Die Lage der Öffnungen 28 bis 35 ist gestrichelt in Fig. 2 eingezeichnet.Fig. 3 shows that the cover plate except with the connection piece 7 and 8 and 13, respectively, previously mentioned have, still provided with openings 28 to 35, respectively with the ends of the provided in the adapter plate 1 channels 21 to 27 are aligned. The position of the openings 28 to 35 is dashed located in Fig. 2.

Das Kühlmittel, beispielsweise das auch zur Kühlung des Motors verwendete Kühlmittel, strömt daher durch den Stutzen 13 in die beiden Kanäle 23 und 24 der Adapterplatte 1 ein und verteilt sich von dort aus auf die Öffnungen 31 und 32 in der Deckplatte 6. In der entsprechenden Schicht des auf die Deckplatte 6 aufgesetzten Wärmeübertragers 2 strömt das Kühlmittel dann aus der Öffnung 31 bzw. aus den mit ihr fluchtenden Öffnungen 38 im Sinn der gestrichelten Pfeile der Fig. 4 in jeder Kammer des Wärmeübertragers 2 U-förmig zu den mit der Öffnung 30 in der Deckplatte 6 fluchtenden Öffnungen 39 und kann von dort aus weiter nach oben zu den mit der Öffnung 39 fluchtenden Durchlässen 40 und 42 in der nachgeschalteten Zwischenplatte 41, die zwischen den Wärmeübertragern 2 und 3 sitzt, und von da durch die Öffnung 42 zum Auslaßstutzen 20 gelangen.The coolant, for example, also for cooling the engine used coolant, therefore, flows through the nozzle 13th in the two channels 23 and 24 of the adapter plate 1 and is distributed from there to the openings 31 and 32 in the Cover plate 6. In the appropriate layer of the cover plate 6 mounted heat exchanger 2 flows the coolant then from the opening 31 and from the aligned with her Openings 38 in the sense of the dashed arrows of Fig. 4 in each chamber of the heat exchanger 2 U-shaped to the with the Opening 30 in the cover plate 6 aligned openings 39 and From there you can continue to the top with the opening 39 aligned passages 40 and 42 in the downstream Intermediate plate 41, between the heat exchangers 2 and 3 sits, and thence through the opening 42 to the outlet port 20th reach.

Das zu kühlende Medium, im vorliegenden Beispiel das Motoröl, tritt beispielsweise durch die Öffnung 9 im Stutzen 7 ein, gelangt in den Kanal 21 und zur Öffnung 28 in der Deckplatte 6, von wo aus es durch die Öffnungen 36 im Wärmeübertrager 2 in die den von Kühlmittel durchströmten Schichten benachbarte Kammern kommt und im Sinn der Pfeile 43 durch die in bekannter Weise durch eine Trennwand 44 U-förmig gestalteten Kammern des Wärmeübertragers 2 zu den Öffnungen 37 geführt wird, die mit der Öffnung 29 in der Deckplatte 6 fluchten, so daß das zu kühlende Medium über diese zu dem zum Auslaßanschluß 10 führenden Kanal 22 gelangt. Kühlmittel und zu kühlendes Medium werden daher in versetzt zueinander angeordneten Schichten in an sich bekannter Weise im Gegenstrom zueinander geführt, wobei hier aber der Zuführstutzen 13 und der Abführstutzen 20 für das Kühlmittel nicht nur für den Wärmeübertrager 2 oder, wie noch erläutert werden wird, für den darauf angeordneten Wärmeübertrager 3, sondern auch für den Wärmeübertrager 5 für das Servoöl für die Lenkung und für den darauf sitzenden Getriebeölwärmeübertrager 4 genutzt wird.The medium to be cooled, in the present example the engine oil, enters for example through the opening 9 in the socket 7, enters the channel 21 and the opening 28 in the cover plate 6, from where it passes through the openings 36 in the heat exchanger. 2 in the neighboring of the coolant flowed through layers Chambers comes and in the sense of arrows 43 by the well-known in Way through a partition 44 U-shaped chambers the heat exchanger 2 is guided to the openings 37, which are aligned with the opening 29 in the cover plate 6, so that the medium to be cooled via this to the outlet port 10 leading channel 22 passes. Coolant and to be cooled Medium are therefore arranged in offset from each other Layers in a conventional manner in countercurrent to each other guided, but here the feed pipe 13 and the discharge pipe 20 for the coolant not only for the heat exchanger 2 or, as will be explained, for the on it arranged heat exchanger 3, but also for the heat exchanger 5 for the servo oil for the steering and for it seated transmission oil heat exchanger 4 is used.

Dies geschieht dadurch, daß das Kühlmittel durch den Anschluß 13 und über den Kanal 23 auch zu der Öffnung 32 in der Deckplatte 6 geführt wird, von wo aus es über die mit der Öffnung 32 fluchtenden Öffnungen 45 (siehe Fig. 4) im Sinn der gestrichelten Pfeile 47 zu den Öffnungen 46 bewegt wird, die wiederum mit der Öffnung 35 in der Deckplatte 6 und über diese und den Kanal 27 mit der Öffnung 30 in der Deckplatte 6 in Verbindung steht, die wiederum, wie vorher erläutert wurde, mit dem Abflußstutzen 20 verbunden ist. Auch innerhalb des Wärmeübertragers 5 erfolgt die Durchströmung mit Kühlmittel und mit dem zu kühlenden Medium in den einzelnen Schichten in der gleichen Weise wie anhand des Wärmeübertragers 2 geschildert. Das bedeutet, daß das durch den Zuführstutzen 11 zugeführte zu kühlende Medium innerhalb der Adapterplatte durch den Kanal 25 zur Öffnung 34 der Deckplatte 6 kommt und von da zu den Öffnungen 48 im Wärmeübertrager 5 gelangt und in den entsprechenden Schichten gemäß den Pfeilen 50 zu den Öffnungen 49 strömt, von wo aus es über die Öffnungen 33 in der Deckplatte 6 in den Kanal 26 und von dort zum Auslaßstutzen 12 geführt wird. Es erübrigt sich noch einmal zu erklären, daß die Durchströmung längs den Pfeilen 47 mit Kühlmittel bzw. 50 mit dem zu kühlenden Medium jeweils in benachbarten Schichten der Plattenkühler erfolgt und daß demzufolge die Öffnungen 48 bzw. 45 jeweils nur zu den entsprechenden Kammern offen sind, in denen die Durchströmung gewünscht ist. Beide Wärmetauscher 2 und 5 werden auf die geschilderte Weise aber gemeinsam und parallel vom Kühlmittel durchströmt. This happens because the coolant through the connection 13 and via the channel 23 also to the opening 32 in the cover plate 6, from where it passes over with the opening 32 aligned openings 45 (see Fig. 4) in the sense of the dashed Arrows 47 is moved to the openings 46, the again with the opening 35 in the cover plate 6 and over this and the channel 27 with the opening 30 in the cover plate 6 in Compound, which in turn, as previously explained, is connected to the discharge nozzle 20. Also within the Heat exchanger 5, the flow of coolant and with the medium to be cooled in the individual layers in the same way as described with reference to the heat exchanger 2. This means that the fed through the feed pipe 11 to be cooled medium within the adapter plate by the channel 25 to the opening 34 of the cover plate 6 comes and from there reaches the openings 48 in the heat exchanger 5 and in the corresponding layers according to the arrows 50 to the openings 49 flows from where it passes through the openings 33 in the Cover plate 6 in the channel 26 and from there to the outlet 12 is performed. It is not necessary to explain again that the flow along the arrows 47 with coolant or 50 with the medium to be cooled in each case in adjacent Layers of the plate cooler takes place and that consequently the Openings 48 and 45 respectively only to the corresponding chambers are open, in which the flow is desired. Both heat exchangers 2 and 5 are in the manner described but flows through the coolant together and in parallel.

In gleicher Weise kann das Kühlmittel aber auch noch zur Durchströmung von zwei weiteren Wärmeübertragern 3 und 4 ausgenützt werden, die oben auf den Wärmetauscher 2 bzw. 5 fest aufgesetzt sind.In the same way, the coolant but also for Throughflow of two other heat exchangers 3 and 4 exploited are fixed to the top of the heat exchanger 2 and 5 respectively are set up.

Um dies zu erreichen, wird jeweils in einer Zwischenplatte 41 und 53 vorgesehen, daß die Anschlüsse für das Kühlmittel mit jenen des darunter liegenden Wärmeübertragers und mit der Adapterplatte 1 fluchten. Die Zwischenplatte 41 besitzt daher die Öffnung 38, welche mit der gleich bezifferten Öffnung in dem Wärmeübertrager 2 und damit mit der Öffnung 31 in der Deckplatte 6 fluchtet. Über diese Öffnungen, die wieder in den einzelnen Kammern des auf der Zwischenplatte 41 aufsitzenden Wärmeübertragers 3 münden, kann nun das Kühlmittel wiederum im Sinn der Pfeile 47 in den zugeordneten Kammern des Wärmeübertragers 3 zirkulieren und tritt jeweils wieder durch die Öffnung 39 zum Austrittsstutzen 20 hin aus.To achieve this, is in each case in an intermediate plate 41 and 53 provided that the connections for the coolant with those of the underlying heat exchanger and with the adapter plate 1 are aligned. The intermediate plate 41 therefore has the opening 38, which with the same numbered opening in the heat exchanger 2 and thus with the opening 31 in the Cover plate 6 is aligned. About these openings, again in the individual chambers of the seated on the intermediate plate 41 Heat exchanger 3 open, now can the coolant again in the sense of arrows 47 in the associated chambers of the heat exchanger 3 circulate and occurs again through the opening 39 to the outlet nozzle 20 out.

In gleicher Weise wird mit dem Wärmeübertrager 4 verfahren, der durch eine Zwischenplatte 53 (Fig. 5) vom darunter liegenden Wärmeübertrager 5 getrennt ist. Hier fluchtet die Öffnung 45 in der Zwischenplatte 53 mit den Zufuhröffnungen 45 und mit der Öffnung 32 in der Deckplatte 6, so daß das Kühlmittel ebenfalls im Sinn der Pfeile 47 aus den Öffnungen 45' kommend durch die zugeordneten Kammern des Wärmeübertragers 4 strömt, während das zu kühlende Medium, das durch die Öffnung 18 des Anschlußstutzens 15 zuströmt, über die Öffnungen 48' jeweils im Sinn der Pfeile 50 in benachbarten Kammern zu den Öffnungen 49 geführt wird, die wiederum mit der Abflußöffnung 19 in Verbindung stehen.In the same way, the heat exchanger 4 is moved, by an intermediate plate 53 (Fig. 5) from the underlying Heat exchanger 5 is disconnected. Here the opening is aligned 45 in the intermediate plate 53 with the feed openings 45th and with the opening 32 in the cover plate 6, so that the coolant also in the sense of the arrows 47 from the openings 45 ' coming through the associated chambers of the heat exchanger. 4 flows while the medium to be cooled, through the opening 18 of the connecting piece 15 flows through the openings 48 ' each in the sense of arrows 50 in adjacent chambers to the Openings 49 is guided, in turn, with the discharge opening 19 in connection.

Natürlich wäre es möglich, die beiden Wärmeübertrager 3 und 4 auch auf die andere Seite der Adapterplatte 1 zu legen und die Zufuhr des Kühlmittels jeweils an den Stellen 31 und 32 nach unten erfolgen zu lassen, wenn die Adapterplatte 1 nicht mit Nuten sondern mit durchgehenden Aussparungen versehen ist. In diesem Fall allerdings wäre es notwendig, die Zu- und Abfuhr von Dieselöl oder Getriebeöl zu den Anschlußstutzen 14 und 15 von der anderen Seite her vorzunehmen. Dies ist nicht immer einfach.Of course it would be possible, the two heat exchangers 3 and 4 also to put on the other side of the adapter plate 1 and the supply of the coolant in each case at the points 31 and 32nd to let down done when the adapter plate 1 is not with grooves but provided with through recesses is. In this case, however, it would be necessary, the Zu- and Discharge of diesel oil or gear oil to the connecting piece 14 and 15 from the other side. this is not always easy.

Claims (6)

  1. Heat exchanger arrangement, in particular oil cooler for the automotive industry, and with at least two heat exchangers in which a liquid coolant and a liquid medium to be cooled are directed in adjacent layers separated by heat exchanging walls, with an adapter plate (1) sealed by a cover plate (6) and assigned to the heat exchangers, the cover plate being provided with supply and outlet openings for each heat exchanger for the coolant and the medium to be cooled, with a common connection (13) for the supply of the coolant flowing through the at least two heat exchangers and with at least two further connections (7, 8), each with two ports for the supply and discharge of a medium to be cooled to/from the at least two heat exchangers (2, 5) mounted on the cover plate and connected to the common connection (13) for the coolant, the adapter plate (1) being provided with a connecting passage (23, 24) between the common connection (13) and the at least two corresponding supply openings (31, 32) for the coolant flowing through at least two heat exchangers and with further connecting passages (21, 22, 25, 16) between the ports (9 - 12) of the at least two further connections (7, 8) and the associated supply and discharge openings (28, 29, 33, 34) for each medium to be cooled.
  2. Heat exchanger arrangement according to claim 1, characterised in that the adapter plate (1) has a closed base and is sealed by the cover plate (6) towards one side only.
  3. Heat exchanger arrangement according to claim 1 or 2, characterised in that coolant flows in parallel through the heat exchangers (2, 5) and their outlet openings (35, 30) for the coolant are connected to a common outlet connection (20) assigned to one of the heat exchangers via the connecting passage (27).
  4. Heat exchanger arrangement according to claims 1 and 3, characterised in that one of the heat exchangers (2) is designed for cooling the engine oil while the other (5) is designed for cooling the power steering fluid.
  5. Heat exchanger arrangement according to claim 4, characterised in that heat exchangers (3, 4) for cooling additional media, in particular transmission oil and diesel fuel, are optionally mounted on the engine oil cooler (2) and/or the power steering fluid cooler (5), their connections (45', 38') for the coolant being aligned with those of the blocks of the other two coolers (2 and 5) and those of the cover plate (6).
  6. Heat exchanger arrangement according to claim 5, characterised in that the outlet connection (20) for the coolant is assigned to the engine oil cooler (2) or to the diesel fuel cooler (3) mounted thereon.
EP97122258A 1996-12-24 1997-12-17 Arrangement of heat exchangers Expired - Lifetime EP0851198B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19654362 1996-12-24
DE19654362A DE19654362B4 (en) 1996-12-24 1996-12-24 The heat exchanger

Publications (3)

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EP0851198A2 EP0851198A2 (en) 1998-07-01
EP0851198A3 EP0851198A3 (en) 1999-05-26
EP0851198B1 true EP0851198B1 (en) 2003-03-26

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EP97122258A Expired - Lifetime EP0851198B1 (en) 1996-12-24 1997-12-17 Arrangement of heat exchangers

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EP (1) EP0851198B1 (en)
DE (2) DE19654362B4 (en)

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Also Published As

Publication number Publication date
US5896834A (en) 1999-04-27
DE59709625D1 (en) 2003-04-30
DE19654362B4 (en) 2007-12-06
EP0851198A2 (en) 1998-07-01
DE19654362A1 (en) 1998-06-25
EP0851198A3 (en) 1999-05-26

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