EP1929232B1 - Stacked-plate heat exchanger, in particular charge-air cooler - Google Patents

Stacked-plate heat exchanger, in particular charge-air cooler Download PDF

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Publication number
EP1929232B1
EP1929232B1 EP06805664.7A EP06805664A EP1929232B1 EP 1929232 B1 EP1929232 B1 EP 1929232B1 EP 06805664 A EP06805664 A EP 06805664A EP 1929232 B1 EP1929232 B1 EP 1929232B1
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EP
European Patent Office
Prior art keywords
connection
coolant
cooled
medium
stacked
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.)
Active
Application number
EP06805664.7A
Other languages
German (de)
French (fr)
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EP1929232A1 (en
Inventor
Volker Velte
Horst ROTHENHÖFER
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 Industry GmbH and Co KG
Original Assignee
Behr Industrieanlagen GmbH and Co KG
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Application filed by Behr Industrieanlagen GmbH and Co KG filed Critical Behr Industrieanlagen GmbH and Co KG
Priority to PL06805664T priority Critical patent/PL1929232T3/en
Publication of EP1929232A1 publication Critical patent/EP1929232A1/en
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Publication of EP1929232B1 publication Critical patent/EP1929232B1/en
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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
    • 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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers

Definitions

  • the invention relates to a stacked plate heat exchanger, in particular a charge air cooler, with a plurality of stacked and interconnected, in particular soldered, elongated discs having a cavity for passing a medium to be cooled, such as charge air, in the longitudinal direction of the discs and another cavity for Limiting performing a coolant, wherein the discs each have an input port and an output port for the medium to be cooled.
  • Such a stacked plate heat exchanger is for example from DE 103 52 880 A1 known.
  • the object of the invention is to provide a stacked plate heat exchanger according to the preamble of claim 1, which is inexpensive to produce and has a long life even at high temperatures.
  • the stacked-plate heat exchanger according to the invention should also be suitable for use in ship engine rooms.
  • the object is in a stacked plate heat exchanger, in particular a charge air cooler, with a plurality of stacked and interconnected, in particular soldered, elongated discs having a cavity for passing a medium to be cooled, such as charge air, in the longitudinal direction of the discs and another cavity to the Performing a coolant limit, the discs each having an input port and an output port for the medium to be cooled, achieved in that at least one coolant port extends partially around a port for the medium to be cooled around.
  • the coolant port is preferably in the form of a slot through the disc, which extends partially around the port for the medium to be cooled.
  • the stacked-plate heat exchanger according to the invention is further characterized in that at least one coolant inlet connection extends partially around the outlet connection for the medium to be cooled.
  • the coolant inlet port is preferably in the form of a slot through the disc which extends partially around the outlet port for the medium to be cooled.
  • the stacked plate heat exchanger according to the invention is further characterized in that the input port and / or the output port for the medium to be cooled is / are formed in each case by a through hole through the disc, which essentially has the shape of a semicircular ring disk or a circular arcuate elongate hole , Preferably, the discs at their ends on the shape of circular segments, in particular of semicircles, which are arranged concentrically to the circular segment-shaped or semicircular or semicircular disk-shaped or circular arc-shaped connections for the medium to be cooled.
  • the stacked plate heat exchanger according to the invention is further characterized in that a further coolant inlet port or coolant outlet port is arranged in the region of the center of the semicircular ring disk or the arcuate slot which forms the output port or the input port for the medium to be cooled. This ensures increased heat dissipation in a critical region of the stacked plate heat exchanger.
  • a preferred embodiment of the stacked plate heat exchanger is characterized in that a plurality of coolant connections are arranged partially around the connection for the medium to be cooled around.
  • the coolant connections preferably each have the shape of a slot through the disc, which extends partially around the connection for the medium to be cooled around.
  • Another preferred embodiment of the stacked plate heat exchanger is characterized in that a plurality of coolant input ports are partially disposed around the output port for the medium to be cooled around.
  • the coolant inlet ports preferably each have the shape of a slot through the disc, which extends partially around the outlet port for the medium to be cooled.
  • connection housing which has both a connection for the medium to be cooled and a connection for the coolant.
  • connection housing is a one-piece casting.
  • connection housing has a circumferential channel for the coolant, which extends around a connection channel for the medium to be cooled.
  • Another preferred embodiment of the stacked plate heat exchanger is characterized in that the discs and / or the connection housing are formed from solderable aluminum / is. This simplifies the manufacture of the stacked plate heat exchanger.
  • FIG. 1 three stacking discs 1 to 3 are shown in perspective, which are stacked on a bottom 5 to a stacking disc block 6 one above the other.
  • the three stacking disks 1 to 3 are identically formed and soldered together.
  • the stacking disk 1 has, just like the stacking disks 2, 3, a rectangular base plate 7 with two semicircular ends 8, 9. Outwardly the stacking disk 1 is closed by a peripheral, upturned edge 10.
  • the semicircular ends 8, 9 of the stacking disk 1 each have a circular segment-shaped through hole 12, 13 is recessed.
  • the through-holes 12, 13 each represent a connection for charge air through which charge air enters or exits into a cavity that is delimited by the stacking disk 1 and extends between the ends 8, 9.
  • FIG. 2 the end 9 of the stacking disk 1 is shown in plan view.
  • the circular segment-shaped Siegluftan gleichö réelle 12 is surrounded by three slots 14, 15, 16, which are formed in a circular arc curved.
  • the three slots 14, 15, 16 are between the semicircle of the semicircular or circular segment-shaped through hole 12 and the peripheral peripheral edge 10 of the stacking disk 1 is arranged.
  • the elongated holes 14 to 16 form connections for coolant.
  • the outside temperature of the stacking disk block 6 can be kept below a critical limit of 200 degrees Celsius.
  • the outside temperature of the stacking disk block 6 according to the invention is defined by the maximum coolant temperature.
  • each of the stacking disks 1 to 3 a cavity for charge air is limited, which extends between the through holes 12, 13.
  • a cavity for charge air is limited, which extends between the through holes 12, 13.
  • the cavities of the charge air corrugated fins 18, 19 are arranged, which serve as a guide for the charge air and to improve the heat transfer.
  • FIG. 3 three stacking disks of a stacked disk heat exchanger 21 to 23 according to the invention are shown in perspective, which are stacked on a bottom 25 one above the other to form a stacking disk block 26.
  • the stacking disk 21 comprises, just like the stacking disks 22, 23, a rectangular base plate 27 with two semicircular ends 28, 29.
  • the stacking disk 21 has a circumferential, bent edge 30.
  • the stacking disk 21 in each case has a circular arcuate oblong hole 32, 33.
  • the elongated holes 32, 33 form charge air connections through which charge air passes into the cavities between the ends 28, 29 of the stacking disk 21.
  • elongated holes 32, 33 Radially outside the elongated holes 32, 33 slots 34 to 36, 44 to 46 are arranged, which are also curved arcuate.
  • the elongated holes 34 to 36 and 44 to 46 form coolant connection openings through which coolant enters or exits into the stacking disk block 26.
  • cavities for carrying out the charge air are also formed, which extend between the charge air connection openings 32, 33.
  • corrugated fins 38 to 40 are arranged in a known manner, which serve to guide the charge air and to improve the heat transfer.
  • a respective further through-hole 41, 42 is provided, which represents an additional coolant connection opening.
  • the additional coolant connection openings 41, 42 ensure that a particularly critical region, which is marked at the end 28 of the stacking disk 21 by a triangle 43, is cooled better. This area is poorly flowed through in conventional heat transfer and is therefore additionally supplied with coolant in the stacked plate heat exchanger according to the invention.
  • FIG. 4 is a cross section through the end 28 of the stacking disk block 26 in FIG. 3 shown.
  • a corrugated fin 38 to 40 is arranged in each case.
  • FIG. 5 is a stacking disc block 50, as shown in the preceding figures according to various embodiments and views, shown in perspective in section.
  • the stacking disk block 50 includes, among other things, three stacking disks 51 to 53 constructed and configured like the stacking disks in one of the foregoing embodiments.
  • the stacking disks 51 to 53 delimit areas or layers 55 to 57 through which charge air flows.
  • a corrugated ridge 59 to 61 is respectively arranged in the areas 55 to 57 through which charge air flows.
  • Between two flow-through by charge air areas 55 to 57 each of a coolant flowed through area or a coolant flowing through layer 63 to 65 is arranged.
  • the coolant in the layers 63 through 65 through which the coolant flows serves to dissipate heat emitted by the charge air into the regions 55 through 57 through which charge air flows.
  • connection housing 66 Above the connection openings for charge air (12, 13 in Figure 1 and 32, 33 in FIG. 3 ) in the stacking disks 51 to 53, a connection housing 66 is provided.
  • the connection housing 66 has a central charge air connection channel 67, which is arranged coaxially or in extension to the charge air connection openings in the stacking disks 51 to 53.
  • the connection housing 66 has a coolant connection channel 68, which is arranged transversely to the charge air connection channel 67.
  • the coolant connection channel 68 opens into a circulating coolant channel 69, which runs radially outside the central charge air connection channel 67.
  • further coolant channels 71 to 73 are provided in the stacking disks 51 to 53.
  • the coolant channels 71 to 73 are formed by oblong holes in the stacking disks 51 to 53. These elongated holes are denoted by 14 to 16, 34 to 36 and 44 to 46 in the preceding examples.
  • connection housing 66 is a cast part made of solderable aluminum.
  • the casting includes both the charge air port 67 and the coolant port 68. It is also possible to form the port housing 66 in multiple parts.
  • the terminal housing 66 is shown in different views alone.
  • the circulating coolant channel 69 serves to keep the outside temperature of the connection housing 66 low.
  • the circulating coolant channel 69 completely surrounds the charge air connection channel 67 in cross section.
  • FIG. 9 a charge air cooler 75 according to an embodiment of the invention is shown in perspective.
  • the charge air cooler 75 includes a stacking disk block 76 having a plurality of stacking disks.
  • the stacking disk block 76 is designed, for example, as in the Figures 1 and 2 However, the stacking disk block 76 may also be designed as in the FIGS. 3 and 4 illustrated stacking disk block 26.
  • FIG. 5 a section through the intercooler 75 is shown in perspective. However, in FIG. 5 other reference numerals are used as in FIG. 9 ,
  • the in FIG. 9 illustrated stacking disk block 76 is disposed between a bottom plate 77 and a lid 78.
  • a charge air inlet port housing 81 and a charge air outlet port housing 82 are soldered to the lid 78.
  • the terminal housings 81 and 82 may also be in one piece, For example, as a casting, be formed with the lid 78.
  • the charge air inlet port housing 81 includes a charge air inlet port 84 and a coolant outlet port 85.
  • the charge air outlet port housing 82 includes a charge air exit port 87 and a coolant input port 88.
  • the inventive design of the intercooler 75 provides the advantage that the component outside temperature can be kept below 200 degrees Celsius.
  • the design costs of the intercooler 75 according to the invention are reduced.
  • the charge air cooler according to the invention provides more variable connection options than conventional intercoolers.
  • the temperature gradients occurring during operation of the intercooler can be reduced. As a result, larger heights can be made possible.
  • the maximum external component temperature results from the maximum coolant temperature and is preferably less than 200 degrees Celsius. This allows use on ships.
  • boiling of the coolant is reliably prevented.
  • a better stability and higher performance of the charge air cooler is made possible.
  • the use of solderable casting eliminates the need to weld connecting parts after soldering.
  • the use of a casting also provides the advantage that the connections to other components can be realized flexibly.
  • both series and parallel circuits can be realized by a plurality of coolers.
  • the component temperature is also lowered in the region of the charge air inlet to the level of the coolant temperature.
  • unwanted voltages in the intercooler can be significantly reduced.
  • larger construction heights that is, a stacking of a larger number of stacking disks possible.
  • the pressure loss of the intercooler on the charge air and coolant side can be reduced and a higher heat output can be transmitted.
  • a charge air cooler 90 which has four connection housings 91 to 94.
  • the connection housing 91 includes a first charge air inlet port
  • the terminal housing 93 includes a second charge air inlet port 99 and a second coolant output port 100.
  • the connection housing 94 includes a second coolant input port 101 and a second charge air output port 102.
  • the charge air connections 95 and 99 may also be closed.
  • the charge air would enter the charge air cooler 90 through the charge air connection 102 of the connection housing 94.
  • the course of the charge air in the intercooler 90 is indicated.
  • the charge air would first pass through a high-temperature and then a low-temperature circuit in the charge air cooler 90 and exit the charge air cooler 90 at the charge air connection 98 of the connection housing 92.
  • the connection housing 93 in this case would only have a high-temperature coolant inlet connection.
  • the associated high-temperature coolant outlet port 101 would be provided in the terminal housing 94.
  • the connector housing 91 would then comprise only a low-temperature coolant inlet port.
  • the associated low-temperature coolant outlet port 97 would then be provided in the port housing 92.
  • the first charge air cooler 111 includes a low-temperature coolant input port case 114 and a low-temperature coolant output port case 115. Connected to the low-temperature coolant output port case 115 is a high-temperature coolant input port case 116 of the second charge air cooler 112.
  • the second charge air cooler 112 has a high-temperature coolant outlet connection housing 117.
  • the first charge air cooler 111 forms a low-temperature charge air cooler.
  • the second charge air cooler 112 forms a high temperature charge air cooler.
  • the charge air passes through a charge air inlet port 119 through the low-temperature coolant input port housing 114 in the first charge air cooler 111 a.
  • the high-temperature coolant outlet connection housing 117 is provided with the associated charge air outlet port 120.

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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)

Description

Die Erfindung betrifft einen Stapelscheiben-Wärmeübertrager, insbesondere einen Ladeluftkühler, mit mehreren aufeinander gestapelten und miteinander verbundenen, insbesondere verlöteten, länglichen Scheiben, die einen Hohlraum zum Durchführen eines zu kühlenden Mediums, wie zum Beispiel Ladeluft, in Längsrichtung der Scheiben und einen weiteren Hohlraum zum Durchführen eines Kühlmittels begrenzen, wobei die Scheiben jeweils einen Eingangsanschluss und einen Ausgangsanschluss für das zu kühlende Medium aufweisen.The invention relates to a stacked plate heat exchanger, in particular a charge air cooler, with a plurality of stacked and interconnected, in particular soldered, elongated discs having a cavity for passing a medium to be cooled, such as charge air, in the longitudinal direction of the discs and another cavity for Limiting performing a coolant, wherein the discs each have an input port and an output port for the medium to be cooled.

Ein derartiger Stapelscheiben-Wärmeübertrager ist zum Beispiel aus der DE 103 52 880 A1 bekannt.Such a stacked plate heat exchanger is for example from DE 103 52 880 A1 known.

Aufgabe der Erfindung ist es, einen Stapelscheiben-Wärmeübertrager gemäß dem Oberbegriff des Anspruchs 1 zu schaffen, der kostengünstig herstellbar ist und auch bei hohen Temperaturen eine lange Lebensdauer aufweist. Insbesondere soll der erfindungsgemäße Stapelscheiben-Wärmeübertrager auch für den Einsatz in Schiffsmaschinenräumen geeignet sein.The object of the invention is to provide a stacked plate heat exchanger according to the preamble of claim 1, which is inexpensive to produce and has a long life even at high temperatures. In particular, the stacked-plate heat exchanger according to the invention should also be suitable for use in ship engine rooms.

Die Aufgabe ist bei einem Stapelscheiben-Wärmeübertrager, insbesondere einen Ladeluftkühler, mit mehreren aufeinander gestapelten und miteinander verbundenen, insbesondere verlöteten, länglichen Scheiben, die einen Hohlraum zum Durchführen eines zu kühlenden Mediums, wie zum Beispiel Ladeluft, in Längsrichtung der Scheiben und einen weiteren Hohlraum zum Durchführen eines Kühlmittels begrenzen, wobei die Scheiben jeweils einen Eingangsanschluss und einen Ausgangsanschluss für das zu kühlende Medium aufweisen, dadurch gelöst, dass sich mindestens ein Kühlmittelanschluss teilweise um einen Anschluss für das zu kühlende Medium herum erstreckt. Der Kühlmittelanschluss hat vorzugsweise die Gestalt eines Langlochs durch die Scheibe, das sich teilweise um den Anschluss für das zu kühlende Medium herum erstreckt.The object is in a stacked plate heat exchanger, in particular a charge air cooler, with a plurality of stacked and interconnected, in particular soldered, elongated discs having a cavity for passing a medium to be cooled, such as charge air, in the longitudinal direction of the discs and another cavity to the Performing a coolant limit, the discs each having an input port and an output port for the medium to be cooled, achieved in that at least one coolant port extends partially around a port for the medium to be cooled around. The coolant port is preferably in the form of a slot through the disc, which extends partially around the port for the medium to be cooled.

Der erfindungsgemäßen Stapelscheiben-Wärmeübertrager ist ferner dadurch gekennzeichnet, dass sich mindestens ein Kühlmitteleingangsanschluss teilweise um den Ausgangsanschluss für das zu kühlende Medium herum erstreckt. Der Kühlmitteleingangsanschluss hat vorzugsweise die Gestalt eines Langlochs durch die Scheibe, das sich teilweise um den Ausgangsanschluss für das zu kühlende Medium herum erstreckt. Der erfindungsgemäßen Stapelscheiben-Wärmeübertrager ist ferner dadurch gekennzeichnet, dass der Eingangsanschluss und/ oder der Ausgangsanschluss für das zu kühlende Medium jeweils von einem Durchgangsloch durch die Scheibe gebildet werden/wird, das im We-sentlichen die Gestalt einer Halbkreisringscheibe oder eines kreisbogenförmig gekrümmten Langlochs aufweist. Vorzugsweise weisen die Scheiben an ihren Enden die Gestalt von Kreissegmenten, insbesondere von Halbkreisen, auf, die konzentrisch zu den kreissegmentförmigen oder halbkreisförmigen oder halbkreisringscheibenförmigen oder kreisbogenförmigen Anschlüssen für das zu kühlende Medium angeordnet sind. Der erfindungsgemäßen Stapelscheiben-Wärmeübertrager ist ferner dadurch gekennzeichnet, dass ein weiterer Kühlmitteleingangsanschluss beziehungsweise Kühlmittelausgangsanschluss im Bereich des Zentrums der Halbkreisringscheibe oder des kreisbogenförmigen Langlochs angeordnet ist, die beziehungsweise das den Ausgangsanschluss beziehungsweise den Eingangsanschluss für das zu kühlende Medium bildet. Dadurch wird eine erhöhte Wärmeabfuhr in einem kritischen Bereich des Stapelscheiben-Wärmeübertragers gewährleistet.The stacked-plate heat exchanger according to the invention is further characterized in that at least one coolant inlet connection extends partially around the outlet connection for the medium to be cooled. The coolant inlet port is preferably in the form of a slot through the disc which extends partially around the outlet port for the medium to be cooled. The stacked plate heat exchanger according to the invention is further characterized in that the input port and / or the output port for the medium to be cooled is / are formed in each case by a through hole through the disc, which essentially has the shape of a semicircular ring disk or a circular arcuate elongate hole , Preferably, the discs at their ends on the shape of circular segments, in particular of semicircles, which are arranged concentrically to the circular segment-shaped or semicircular or semicircular disk-shaped or circular arc-shaped connections for the medium to be cooled. The stacked plate heat exchanger according to the invention is further characterized in that a further coolant inlet port or coolant outlet port is arranged in the region of the center of the semicircular ring disk or the arcuate slot which forms the output port or the input port for the medium to be cooled. This ensures increased heat dissipation in a critical region of the stacked plate heat exchanger.

Ein bevorzugtes Ausführungsbeispiel des Stapelscheiben-Wärmeübertragers ist dadurch gekennzeichnet, dass mehrere Kühlmittelanschlüsse teilweise um den Anschluss für das zu kühlende Medium herum angeordnet sind. Die Kühlmittelanschlüsse haben vorzugsweise jeweils die Gestalt eines Langlochs durch die Scheibe, das sich teilweise um den Anschluss für das zu kühlende Medium herum erstreckt.A preferred embodiment of the stacked plate heat exchanger is characterized in that a plurality of coolant connections are arranged partially around the connection for the medium to be cooled around. The coolant connections preferably each have the shape of a slot through the disc, which extends partially around the connection for the medium to be cooled around.

Ein weiteres bevorzugtes Ausführungsbeispiel des Stapelscheiben-Wärmeübertragers ist dadurch gekennzeichnet, dass mehrere Kühlmitteleingangsanschlüsse teilweise um den Ausgangsanschluss für das zu kühlende Medium herum angeordnet sind. Die Kühlmitteleingangsanschlüsse haben vorzugsweise jeweils die Gestalt eines Langlochs durch die Scheibe, das sich teilweise um den Ausgangsanschluss für das zu kühlende Medium herum erstreckt.Another preferred embodiment of the stacked plate heat exchanger is characterized in that a plurality of coolant input ports are partially disposed around the output port for the medium to be cooled around. The coolant inlet ports preferably each have the shape of a slot through the disc, which extends partially around the outlet port for the medium to be cooled.

Ein weiteres bevorzugtes Ausführungsbeispiel des Stapelscheiben-Wärmeübertragers ist durch ein Anschlussgehäuse gekennzeichnet, das sowohl einen Anschluss für das zu kühlende Medium als auch einen Anschluss für das Kühlmittel aufweist. Vorzugsweise handelt es sich bei dem Anschlussgehäuse um ein einstückiges Gussteil.Another preferred embodiment of the stacked plate heat exchanger is characterized by a connection housing which has both a connection for the medium to be cooled and a connection for the coolant. Preferably, the connection housing is a one-piece casting.

Ein weiteres bevorzugtes Ausführungsbeispiel des Stapelscheiben-Wärmeübertragers ist dadurch gekennzeichnet, dass das Anschlussgehäuse einen umlaufenden Kanal für das Kühlmittel aufweist, der sich um einen Anschlusskanal für das zu kühlende Medium herum erstreckt. Dadurch kann die Außentemperatur des Stapelscheiben-Wärmeübertragers unter einem kritischen Wert gehalten werden.Another preferred embodiment of the stacked plate heat exchanger is characterized in that the connection housing has a circumferential channel for the coolant, which extends around a connection channel for the medium to be cooled. Thereby, the outside temperature of the stacked plate heat exchanger can be kept below a critical value.

Ein weiteres bevorzugtes Ausführungsbeispiel des Stapelscheiben-Wärmeübertragers ist dadurch gekennzeichnet, dass die Scheiben und/oder das Anschlussgehäuse aus lötbarem Aluminium gebildet sind/ist. Dadurch wird die Herstellung des Stapelscheiben-Wärmeübertragers vereinfacht.Another preferred embodiment of the stacked plate heat exchanger is characterized in that the discs and / or the connection housing are formed from solderable aluminum / is. This simplifies the manufacture of the stacked plate heat exchanger.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der unter Bezugnahme auf die Zeichnung verschiedene Ausführungsbeispiele im Einzelnen beschrieben sind. Dabei können die in den Ansprüchen und in der Beschreibung erwähnten Merkmale jeweils einzeln für sich oder in beliebiger Kombination erfindungswesentlich sein. Es zeigen:

Figur 1
eine perspektivische Darstellung eines Stapelscheibenblocks eines Stapelscheiben-Wärmeübertragers;
Figur 2
ein Ende einer Stapelscheibe des Stapelscheibenblocks aus Figur 1 in der Draufsicht;
Figur 3
den Stapelscheibenblock eines erfindungsgemäßen Stapelscheiben-Wärmeübertragers in einer weiteren perspektivischen Darstellung von oben;
Figur 4
die Ansicht eines Schnitts durch ein Ende des in Figur 3 dargestellten Stapelscheibenblocks;
Figur 5
eine perspektivische Schnittdarstellung durch ein Anschlussgehäuse eines erfindungsgemäßen Stapelscheiben-Wärmeübertragers;
Figur 6
eine perspektivische Darstellung des Anschlussgehäuses aus Figur 5 in Alleinstellung;
Figur 7
das Anschlussgehäuse aus Figur 6 in der Draufsicht;
Figur 8
das Anschlussgehäuse aus Figur 6 im Querschnitt;
Figur 9
eine perspektivische Darstellung eines erfindungsgemäßen Stapelscheiben-Wärmeübertragers;
Figur 10
eine weitere perspektivische Darstellung eines Stapelscheiben-Wärmeübertragers gemäß einem weiteren Ausführungsbeispiel und
Figur 11
eine perspektivische Darstellung von zwei miteinander verbundenen Stapelscheiben-Wärmeübertragern.
Further advantages, features and details of the invention will become apparent from the following description in which, with reference to the drawings, various embodiments are described in detail. The features mentioned in the claims and in the description may each be essential to the invention individually or in any desired combination. Show it:
FIG. 1
a perspective view of a stacking disc block of a stacked plate heat exchanger;
FIG. 2
an end of a stacking disk of the stacking disk block of Figure 1 in plan view;
FIG. 3
the stacking disk block of a stacked disk heat exchanger according to the invention in a further perspective view from above;
FIG. 4
the view of a section through one end of the in FIG. 3 illustrated stacking disc block;
FIG. 5
a perspective sectional view through a connection housing of a stacked disk heat exchanger according to the invention;
FIG. 6
a perspective view of the connection housing FIG. 5 in isolation;
FIG. 7
the connection housing off FIG. 6 in the plan view;
FIG. 8
the connection housing off FIG. 6 in cross-section;
FIG. 9
a perspective view of a stacked-plate heat exchanger according to the invention;
FIG. 10
a further perspective view of a stacked plate heat exchanger according to another embodiment and
FIG. 11
a perspective view of two interconnected stacked plate heat exchangers.

In Figur 1 sind drei Stapelscheiben 1 bis 3 perspektivisch dargestellt, die auf einen Boden 5 zu einem Stapelscheibenblock 6 übereinander gestapelt sind. Die drei Stapelscheiben 1 bis 3 sind identisch ausgebildet und miteinander verlötet.In FIG. 1 three stacking discs 1 to 3 are shown in perspective, which are stacked on a bottom 5 to a stacking disc block 6 one above the other. The three stacking disks 1 to 3 are identically formed and soldered together.

Die Stapelscheibe 1 weist, ebenso wie die Stapelscheiben 2, 3, eine rechteckige Grundplatte 7 mit zwei halbkreisförmigen Enden 8, 9 auf. Nach außen hin ist die Stapelscheibe 1 durch einen umlaufenden, hochgebogenen Rand 10 abgeschlossen. In den halbkreisförmigen Enden 8, 9 der Stapelscheibe 1 ist jeweils ein kreissegmentförmiges Durchgangsloch 12, 13 ausgespart. Die Durchgangslöcher 12, 13 stellen jeweils einen Anschluss für Ladeluft dar, durch den Ladeluft in einen Hohlraum ein- beziehungsweise austritt, der von der Stapelscheibe 1 begrenzt wird und zwischen den Enden 8, 9 verläuft.The stacking disk 1 has, just like the stacking disks 2, 3, a rectangular base plate 7 with two semicircular ends 8, 9. Outwardly the stacking disk 1 is closed by a peripheral, upturned edge 10. In the semicircular ends 8, 9 of the stacking disk 1 each have a circular segment-shaped through hole 12, 13 is recessed. The through-holes 12, 13 each represent a connection for charge air through which charge air enters or exits into a cavity that is delimited by the stacking disk 1 and extends between the ends 8, 9.

In Figur 2 ist das Ende 9 der Stapelscheibe 1 in der Draufsicht dargestellt. In der Draufsicht sieht man, dass die kreissegmentförmige Lageluftanschlussöffnung 12 von drei Langlöchern 14, 15, 16 umgeben ist, die kreisbogenförmig gekrümmt ausgebildet sind. Die drei Langlöcher 14, 15, 16 sind zwischen dem Halbkreis des halbkreis- beziehungsweise kreissegmentförmigen Durchgangslochs 12 und dem umlaufenden Umfangsrand 10 der Stapelscheibe 1 angeordnet. Die Langlöcher 14 bis 16 bilden Anschlüsse für Kühlmittel. Durch die Anordnung der Kühlmittelanschlüsse 14 bis 16 um den Ladeluftanschluss 12 herum kann die Außentemperatur des Stapelscheibenblocks 6 unter einem kritischen Grenzwert von 200 Grad Celsius gehalten werden. Die Außentemperatur des erfindungsgemäßen Stapelscheibenblocks 6 wird durch die maximale Kühlmitteltemperatur definiert.In FIG. 2 the end 9 of the stacking disk 1 is shown in plan view. In plan view, it can be seen that the circular segment-shaped Lageluftanschlussöffnung 12 is surrounded by three slots 14, 15, 16, which are formed in a circular arc curved. The three slots 14, 15, 16 are between the semicircle of the semicircular or circular segment-shaped through hole 12 and the peripheral peripheral edge 10 of the stacking disk 1 is arranged. The elongated holes 14 to 16 form connections for coolant. By arranging the coolant ports 14 to 16 around the charge air port 12, the outside temperature of the stacking disk block 6 can be kept below a critical limit of 200 degrees Celsius. The outside temperature of the stacking disk block 6 according to the invention is defined by the maximum coolant temperature.

Darüber hinaus wird von den Stapelscheiben 1 bis 3 jeweils ein Hohlraum für Ladeluft begrenzt, der sich zwischen den Durchgangslöchern 12, 13 erstreckt. In den Hohlräumen der Ladeluft sind Wellrippen 18, 19 angeordnet, die als Leiteinrichtungen für die Ladeluft und zur Verbesserung des Wärmeübergangs dienen.In addition, each of the stacking disks 1 to 3, a cavity for charge air is limited, which extends between the through holes 12, 13. In the cavities of the charge air corrugated fins 18, 19 are arranged, which serve as a guide for the charge air and to improve the heat transfer.

In Figur 3 sind drei Stapelscheiben eines erfindungsgemäßen Stapelscheiben-Wärmeübertragers 21 bis 23 perspektivisch dargestellt, die auf einem Boden 25 übereinander zu einem Stapelscheibenblock 26 gestapelt sind. Die Stapelscheibe 21 umfasst, ebenso wie die Stapelscheiben 22, 23, eine rechteckige Grundplatte 27 mit zwei halbkreisförmigen Enden 28, 29. Außerdem weist die Stapelscheibe 21 einen umlaufenden, umgebogenen Rand 30 auf. An den Enden 28, 29 weist die Stapelscheibe 21 jeweils ein kreisbogenförmig gekrümmtes Langloch 32, 33 auf. Die Langlöcher 32, 33 bilden Ladeluftanschlüsse, durch die Ladeluft in die Hohlräume zwischen den Enden 28, 29 der Stapelscheibe 21 gelangt.In FIG. 3 three stacking disks of a stacked disk heat exchanger 21 to 23 according to the invention are shown in perspective, which are stacked on a bottom 25 one above the other to form a stacking disk block 26. The stacking disk 21 comprises, just like the stacking disks 22, 23, a rectangular base plate 27 with two semicircular ends 28, 29. In addition, the stacking disk 21 has a circumferential, bent edge 30. At the ends 28, 29, the stacking disk 21 in each case has a circular arcuate oblong hole 32, 33. The elongated holes 32, 33 form charge air connections through which charge air passes into the cavities between the ends 28, 29 of the stacking disk 21.

Radial außerhalb der Langlöcher 32, 33 sind Langlöcher 34 bis 36, 44 bis 46 angeordnet, die ebenfalls kreisbogenförmig gekrümmt sind. Die Langlöcher 34 bis 36 und 44 bis 46 bilden Kühlmittelanschlussöffnungen, durch die Kühlmittel in den Stapelscheibenblock 26 ein- beziehungsweise austritt. Zwischen beziehungsweise in den Stapelscheiben 21 bis 23 sind Hohlräume zum Durchführen der Ladeluft auch ausgebildet, die zwischen den Ladeluftanschlussöffnungen 32, 33 verlaufen. In diesen Hohlräumen sind in bekannter Art und Weise Wellrippen 38 bis 40 angeordnet, die dazu dienen, die Ladeluft zu leiten und den Wärmeübergang zu verbessern.Radially outside the elongated holes 32, 33 slots 34 to 36, 44 to 46 are arranged, which are also curved arcuate. The elongated holes 34 to 36 and 44 to 46 form coolant connection openings through which coolant enters or exits into the stacking disk block 26. Between or in the stacking disks 21 to 23 cavities for carrying out the charge air are also formed, which extend between the charge air connection openings 32, 33. In these cavities corrugated fins 38 to 40 are arranged in a known manner, which serve to guide the charge air and to improve the heat transfer.

Radial innerhalb der Ladeluftanschlussöffnungen 32,33 ist jeweils ein weiteres Durchgangsloch 41, 42 vorgesehen, das eine zusätzliche Kühlmittelanschlussöffnung darstellt. Die zusätzlichen Kühlmittelanschlussöffnungen 41, 42 stellen sicher, dass ein besonders kritischer Bereich, der an dem Ende 28 der Stapelscheibe 21 durch ein Dreieck 43 markiert ist, besser gekühlt wird. Dieser Bereich ist bei herkömmlichen Wärmeübertragem schlecht durchströmt und wird deshalb bei dem erfindungsgemäßen Stapelscheiben-Wärmeübertrager zusätzlich mit Kühlmittel versorgt.Radially within the charge air connection openings 32, 33, a respective further through-hole 41, 42 is provided, which represents an additional coolant connection opening. The additional coolant connection openings 41, 42 ensure that a particularly critical region, which is marked at the end 28 of the stacking disk 21 by a triangle 43, is cooled better. This area is poorly flowed through in conventional heat transfer and is therefore additionally supplied with coolant in the stacked plate heat exchanger according to the invention.

In Figur 4 ist ein Querschnitt durch das Ende 28 des Stapelscheibenblocks 26 in Figur 3 dargestellt. In der Schnittansicht sieht man, dass in den Hohlräumen zum Durchführen der Ladeluft, wie bei dem vorangegangenen Ausführungsbeispiel, jeweils eine Wellrippe 38 bis 40 angeordnet ist.In FIG. 4 is a cross section through the end 28 of the stacking disk block 26 in FIG FIG. 3 shown. In the sectional view it can be seen that in the cavities for carrying out the charge air, as in the previous embodiment, in each case a corrugated fin 38 to 40 is arranged.

In Figur 5 ist ein Stapelscheibenblock 50, wie er in den vorangegangen Figuren gemäß verschiedenen Ausführungsbeispielen und Ansichten dargestellt ist, perspektivisch im Schnitt dargestellt. Der Stapelscheibenblock 50 umfasst unter anderem drei Stapelscheiben 51 bis 53, die so aufgebaut und gestaltet sind wie die Stapelscheiben in einem der vorangegangenen Ausführungsbeispiele. Die Stapelscheiben 51 bis 53 begrenzen von Ladeluft durchströmte Bereiche oder Schichten 55 bis 57. In den von Ladeluft durchströmten Bereichen 55 bis 57 ist jeweils eine Wellrippe 59 bis 61 angeordnet. Zwischen zwei von Ladeluft durchströmten Bereichen 55 bis 57 ist jeweils ein von Kühlmittel durchströmter Bereich oder eine von Kühlmittel durchströmte Schicht 63 bis 65 angeordnet. Das Kühlmittel in den von Kühlmittel durchströmten Schichten 63 bis 65 dient dazu, von der Ladeluft in den von Ladeluft durchströmten Bereichen 55 bis 57 ausgehende Wärme abzuführen.In FIG. 5 is a stacking disc block 50, as shown in the preceding figures according to various embodiments and views, shown in perspective in section. The stacking disk block 50 includes, among other things, three stacking disks 51 to 53 constructed and configured like the stacking disks in one of the foregoing embodiments. The stacking disks 51 to 53 delimit areas or layers 55 to 57 through which charge air flows. A corrugated ridge 59 to 61 is respectively arranged in the areas 55 to 57 through which charge air flows. Between two flow-through by charge air areas 55 to 57 each of a coolant flowed through area or a coolant flowing through layer 63 to 65 is arranged. The coolant in the layers 63 through 65 through which the coolant flows serves to dissipate heat emitted by the charge air into the regions 55 through 57 through which charge air flows.

Oberhalb der Anschlussöffnungen für Ladeluft (12, 13 in Figur 1 und 32, 33 in Figur 3) in den Stapelscheiben 51 bis 53 ist ein Anschlussgehäuse 66 vorgesehen. Das Anschlussgehäuse 66 weist einen zentralen Ladeluftanschlusskanal 67 auf, der koaxial beziehungsweise in Verlängerung zu den Ladeluftanschlussöffnungen in den Stapelscheiben 51 bis 53 angeordnet ist. Außerdem weist das Anschlussgehäuse 66 einen Kühlmittelanschlusskanal 68 auf, der quer zu dem Ladeluftanschlusskanal 67 angeordnet ist. Der Kühlmittelanschlusskanal 68 mündet in einen umlaufenden Kühlmittelkanal 69, der radial außerhalb des zentralen Ladeluftanschlusskanals 67 verläuft. Unterhalb des umlaufenden Kühlmittelkanals 69 sind in den Stapelscheiben 51 bis 53 weitere Kühlmittelkanäle 71 bis 73 vorgesehen. Die Kühlmittelkanäle 71 bis 73 werden von Langlöchern in den Stapelscheiben 51 bis 53 gebildet. Diese Langlöcher sind in den vorangegangenen Beispielen mit 14 bis 16, 34 bis 36 und 44 bis 46 bezeichnet.Above the connection openings for charge air (12, 13 in Figure 1 and 32, 33 in FIG. 3 ) in the stacking disks 51 to 53, a connection housing 66 is provided. The connection housing 66 has a central charge air connection channel 67, which is arranged coaxially or in extension to the charge air connection openings in the stacking disks 51 to 53. In addition, the connection housing 66 has a coolant connection channel 68, which is arranged transversely to the charge air connection channel 67. The coolant connection channel 68 opens into a circulating coolant channel 69, which runs radially outside the central charge air connection channel 67. Below the circulating coolant channel 69, further coolant channels 71 to 73 are provided in the stacking disks 51 to 53. The coolant channels 71 to 73 are formed by oblong holes in the stacking disks 51 to 53. These elongated holes are denoted by 14 to 16, 34 to 36 and 44 to 46 in the preceding examples.

Bei dem Anschlussgehäuse 66 handelt es sich um ein Gussteil aus lötbarem Aluminium. Das Gussteil umfasst sowohl den Ladeluftanschlusskanal 67 als auch den Kühlmittelanschlusskanal 68. Es ist auch möglich, das Anschlussgehäuse 66 mehrteilig auszubilden.The connection housing 66 is a cast part made of solderable aluminum. The casting includes both the charge air port 67 and the coolant port 68. It is also possible to form the port housing 66 in multiple parts.

In den Figuren 6 bis 8 ist das Anschlussgehäuse 66 in verschiedenen Ansichten allein dargestellt. Der umlaufende Kühlmittelkanal 69 dient dazu, die Außentemperatur des Anschlussgehäuses 66 gering zu halten. In der in Figur 8 dargestellten Schnittansicht sieht man, dass der umlaufende Kühlmittelkanal 69 den Ladeluftanschlusskanal 67 im Querschnitt vollständig umgibt.In the FIGS. 6 to 8 the terminal housing 66 is shown in different views alone. The circulating coolant channel 69 serves to keep the outside temperature of the connection housing 66 low. In the sectional view shown in FIG. 8, it can be seen that the circulating coolant channel 69 completely surrounds the charge air connection channel 67 in cross section.

In Figur 9 ist ein Ladeluftkühler 75 gemäß einem Ausführungsbeispiel der Erfindung perspektivisch dargestellt. Der Ladeluftkühler 75 umfasst einen Stapelscheibenblock 76 mit einer Vielzahl von Stapelscheiben. Der Stapelscheibenblock 76 ist zum Beispiel so gestaltet, wie der in den Figuren 1 und 2 dargestellte Stapelscheibenblock 6. Der Stapelscheibenblock 76 kann aber auch so gestaltet sein, wie der in den Figuren 3 und 4 dargestellte Stapelscheibenblock 26. In Figur 5 ist ein Schnitt durch den Ladeluftkühler 75 perspektivisch dargestellt. Allerdings werden in Figur 5 andere Bezugszeichen verwendet als in Figur 9.In FIG. 9 a charge air cooler 75 according to an embodiment of the invention is shown in perspective. The charge air cooler 75 includes a stacking disk block 76 having a plurality of stacking disks. The stacking disk block 76 is designed, for example, as in the Figures 1 and 2 However, the stacking disk block 76 may also be designed as in the FIGS. 3 and 4 illustrated stacking disk block 26. In FIG. 5 a section through the intercooler 75 is shown in perspective. However, in FIG. 5 other reference numerals are used as in FIG. 9 ,

Der in Figur 9 dargestellte Stapelscheibenblock 76 ist zwischen einer Bodenplatte 77 und einem Deckel 78 angeordnet. An den Deckel 78 ist ein Ladelufteingangsanschlussgehäuse 81 und ein Ladeluftausgangsanschlussgehäuse 82 angelötet. Die Anschlussgehäuse 81 und 82 können auch einstückig, zum Beispiel als Gussteil, mit dem Deckel 78 ausgebildet sein. Das Ladelufteingangsanschlussgehäuse 81 umfasst einen Ladelufteingangsanschluss 84 und einen Kühlmittelausgangsanschluss 85. Das Ladeluftausgangsanschlussgehäuse 82 umfasst einen Ladeluftausgangsanschluss 87 und einen Kühlmitteleingangsanschluss 88.The in FIG. 9 illustrated stacking disk block 76 is disposed between a bottom plate 77 and a lid 78. To the lid 78, a charge air inlet port housing 81 and a charge air outlet port housing 82 are soldered. The terminal housings 81 and 82 may also be in one piece, For example, as a casting, be formed with the lid 78. The charge air inlet port housing 81 includes a charge air inlet port 84 and a coolant outlet port 85. The charge air outlet port housing 82 includes a charge air exit port 87 and a coolant input port 88.

Die erfindungsgemäße Gestaltung des Ladeluftkühlers 75 liefert den Vorteil, dass die Bauteilaußentemperatur unter 200 Grad Celsius gehalten werden kann. Außerdem werden durch die erfindungsgemäße Gestaltung des Ladeluftkühlers 75 die Fertigungskosten reduziert. Zudem liefert der erfindungsgemäße Ladeluftkühler variablere Anschlussmöglichkeiten als herkömmliche Ladeluftkühler. Des Weiteren können die im Betrieb des Ladeluftkühlers auftretenden Temperaturgradienten reduziert werden. Dadurch können größere Aufbauhöhen ermöglicht werden. Die maximale Bauteilaußentemperatur ergibt sich aus der maximalen Kühlmitteltemperatur und ist vorzugsweise kleiner als 200 Grad Celsius. Dadurch ist ein Einsatz auf Schiffen möglich. Außerdem wird ein Sieden des Kühlmittels sicher verhindert. Zudem wird eine bessere Standfestigkeit und höhere Leistung des Ladeluftkühlers ermöglicht. Durch die Verwendung von lötbarem Guss kann ein Anschweißen von Anschlussteilen nach dem Löten entfallen. Die Verwendung eines Gussteils liefert darüber hinaus den Vorteil, dass die Anschlüsse zu weiteren Bauteilen flexibel realisiert werden können.The inventive design of the intercooler 75 provides the advantage that the component outside temperature can be kept below 200 degrees Celsius. In addition, the design costs of the intercooler 75 according to the invention are reduced. In addition, the charge air cooler according to the invention provides more variable connection options than conventional intercoolers. Furthermore, the temperature gradients occurring during operation of the intercooler can be reduced. As a result, larger heights can be made possible. The maximum external component temperature results from the maximum coolant temperature and is preferably less than 200 degrees Celsius. This allows use on ships. In addition, boiling of the coolant is reliably prevented. In addition, a better stability and higher performance of the charge air cooler is made possible. The use of solderable casting eliminates the need to weld connecting parts after soldering. The use of a casting also provides the advantage that the connections to other components can be realized flexibly.

Mit dem erfindungsgemäßen Ladeluftkühler können sowohl Reihen- als auch Parallelschaltungen von mehreren Kühlern realisiert werden. Die Bauteiltemperatur wird auch im Bereich des Ladelufteintritts auf das Niveau der Kühlmitteltemperatur abgesenkt. Dadurch können unerwünschte Spannungen im Ladeluftkühler wesentlich reduziert werden. Durch diese Maßnahme sind außerdem größere Aufbauhöhen, das heißt ein Übereinanderstapeln einer größeren Anzahl von Stapelscheiben möglich. Zudem kann der Druckverlust des Ladeluftkühlers auf der Ladeluft- und Kühlmittelseite reduziert sowie eine höhere Wärmeleistung übertragen werden.With the intercooler according to the invention, both series and parallel circuits can be realized by a plurality of coolers. The component temperature is also lowered in the region of the charge air inlet to the level of the coolant temperature. As a result, unwanted voltages in the intercooler can be significantly reduced. By this measure, in addition, larger construction heights, that is, a stacking of a larger number of stacking disks possible. In addition, the pressure loss of the intercooler on the charge air and coolant side can be reduced and a higher heat output can be transmitted.

In Figur 10 ist ein Ladeluftkühler 90 dargestellt, der vier Anschlussgehäuse 91 bis 94 aufweist. Das Anschlussgehäuse 91 umfasst einen ersten Ladelufteingangsanschluss 95 und einen ersten Kühlmittelausgangsanschluss 96. Das Anschlussgehäuse 92 umfasst einen ersten Kühlmitteleingangsanschluss 97 und einen ersten Ladeluftausgangsanschluss 98. Das Anschlussgehäuse 93 umfasst einen zweiten Ladelufteingangsanschluss 99 und einen zweiten Kühlmittelausgangsanschluss 100. Das Anschlussgehäuse 94 umfasst einen zweiten Kühlmitteleingangsanschluss 101 und einen zweiten Ladeluftausgangsanschluss 102.In FIG. 10 a charge air cooler 90 is shown, which has four connection housings 91 to 94. The connection housing 91 includes a first charge air inlet port The terminal housing 93 includes a second charge air inlet port 99 and a second coolant output port 100. The connection housing 94 includes a second coolant input port 101 and a second charge air output port 102.

Gemäß einem weiteren Ausführungsbeispiel können die Ladeluftanschlüsse 95 und 99 auch verschlossen sein. In diesem Fall würde die Ladeluft durch den Ladeluftanschluss 102 des Anschlussgehäuses 94 in den Ladeluftkühler 90 eintreten. Durch Pfeile 104 bis 108 ist der Verlauf der Ladeluft in dem Ladeluftkühler 90 angedeutet. Die Ladeluft würde in dem Ladeluftkühler 90 zunächst einen Hochtemperatur- und dann einen Niedertemperatur-Kreislauf durchlaufen und an dem Ladeluftanschluss 98 des Anschlussgehäuses 92 aus dem Ladeluftkühler 90 austreten. Das Anschlussgehäuse 93 wurde in diesem Fall nur einen Hochtemperatur-Kühlmitteleingangsanschluss aufweisen. Der zugehörige Hochtemperatur-Kühlmittelausgangsanschluss 101 wäre in dem Anschlussgehäuse 94 vorgesehen. Das Anschlussgehäuse 91 würde dann nur einen Niedertemperatur-Kühlmitteleingangsanschluss umfassen. Der zugehörige Niedertemperatur-Kühlmittelausgangsanschluss 97 wäre dann in dem Anschlussgehäuse 92 vorzusehen.According to a further embodiment, the charge air connections 95 and 99 may also be closed. In this case, the charge air would enter the charge air cooler 90 through the charge air connection 102 of the connection housing 94. By arrows 104 to 108, the course of the charge air in the intercooler 90 is indicated. The charge air would first pass through a high-temperature and then a low-temperature circuit in the charge air cooler 90 and exit the charge air cooler 90 at the charge air connection 98 of the connection housing 92. The connection housing 93 in this case would only have a high-temperature coolant inlet connection. The associated high-temperature coolant outlet port 101 would be provided in the terminal housing 94. The connector housing 91 would then comprise only a low-temperature coolant inlet port. The associated low-temperature coolant outlet port 97 would then be provided in the port housing 92.

In Figur 11 ist die Realisierung eines Hoch- und eines Niedertemperaturkreislaufs mit zwei erfindungsgemäßen Ladeluftkühlern 111, 112 perspektivisch dargestellt. Der erste Ladeluftkühler 111 umfasst ein Niedertemperatur-Kühlmitteleingangsanschlussgehäuse 114 und ein Niedertemperatur-Kühlmittelausgangsanschlussgehäuse 115. An das Niedertemperatur-Kühlmittelausgangsanschlussgehäuse 115 ist ein Hochtemperatur-Kühlmitteleingangsanschlussgehäuse 116 des zweiten Ladeluftkühlers 112 angeschlossen. Außerdem weist der zweite Ladeluftkühler 112 ein Hochtemperatur-Kühlmittelausgangsanschlussgehäuse 117 auf. Somit bildet der erste Ladeluftkühler 111 einen Niedertemperatur-Ladeluftkühler. Der zweite Ladeluftkühler 112 bildet einen Hochtemperatur-Ladeluftkühler. Die Ladeluft tritt durch einen Ladelufteingangsanschluss 119 durch das Niedertemperatur-Kühlmitteleingangsanschlussgehäuse 114 in den ersten Ladeluftkühler 111 ein. Das Hochtemperatur-Kühlmittelausgangsanschlussgehäuse 117 ist mit dem zugehörigen Ladeluftausgangsanschluss 120 versehen.In FIG. 11 the realization of a high and a low temperature circuit with two charge air coolers 111, 112 according to the invention is shown in perspective. The first charge air cooler 111 includes a low-temperature coolant input port case 114 and a low-temperature coolant output port case 115. Connected to the low-temperature coolant output port case 115 is a high-temperature coolant input port case 116 of the second charge air cooler 112. In addition, the second charge air cooler 112 has a high-temperature coolant outlet connection housing 117. Thus, the first charge air cooler 111 forms a low-temperature charge air cooler. The second charge air cooler 112 forms a high temperature charge air cooler. The charge air passes through a charge air inlet port 119 through the low-temperature coolant input port housing 114 in the first charge air cooler 111 a. The high-temperature coolant outlet connection housing 117 is provided with the associated charge air outlet port 120.

Claims (6)

  1. The stacked-plate heat exchanger, in particular the charge-air cooler, has several oblong plates (1-3; 21- 23; 51-53), which are stacked on each other and which are connected, i.e. soldered, with each other, and which limit a hollow space (55-57), which is in the longitudinal direction of plates, for feeding a medium to be cooled such as charge air and another hollow space (63-65) for feeding a coolant, wherein the plates (1-3; 21-23; 51-53) have one inlet connection and one outlet connection for the medium to be cooled, is characterised in that at least one coolant connection (14-16; 34-36; 44-46) partially extends around a connection (12, 13; 32, 33) for the medium to be cooled,
    - where at least one coolant inlet connection (14-16; 34-36; 44-46) partially extends around the outlet connection (12, 13; 32, 33) for the medium to be cooled,
    - where the inlet connection (12; 32) and/or the outlet connection (13; 33) for the medium to be cooled is/are formed by a through hole via the plate and this hole primarily has a design of a semi-circular ring plate or an arc-shaped bent oblong hole,
    - where an additional coolant inlet connection (41,42) and/or a coolant outlet connection (42,41) is/are provided in the area of the centre of the semi-circular ring plate or the arc-shaped oblong hole that forms the outlet connection or the inlet connection for the medium to be cooled.
  2. The stacked-plate heat exchanger as per claim 1 is characterised in that multiple coolant connections (14-16; 34-36; 44-46) are partially provided around the connection (12, 13; 32, 33) for the medium to be cooled.
  3. The stacked-plate heat exchanger as per one of the aforementioned claims is characterised in that multiple coolant inlet connections (44-46) are partially provided around the outlet connection (33) for the medium to be cooled.
  4. The stacked-plate heat exchanger as per one of the aforementioned claims is characterised by a connection housing (66) that has one connection (67) for the medium to be cooled and one connection (68) for the coolant.
  5. The stacked-plate heat exchanger as per claim 4 is characterised by a connection housing (66) that has a circumferential channel (69) for the coolant that extends around a connection channel (67) for the medium to be cooled.
  6. The stacked-plate heat exchanger as per one of the aforementioned claims is characterised in that the plates (1-3; 21-23; 51-53) and/or the connection housing are made of soldering-compatible aluminium.
EP06805664.7A 2005-09-16 2006-09-07 Stacked-plate heat exchanger, in particular charge-air cooler Active EP1929232B1 (en)

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DE102005044291A DE102005044291A1 (en) 2005-09-16 2005-09-16 Stacking plate heat exchanger, in particular intercooler
PCT/EP2006/008737 WO2007031230A1 (en) 2005-09-16 2006-09-07 Stacked-plate heat exchanger, in particular charge-air cooler

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EP1929232A1 EP1929232A1 (en) 2008-06-11
EP1929232B1 true EP1929232B1 (en) 2015-12-02

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EP (1) EP1929232B1 (en)
KR (1) KR101300452B1 (en)
CN (1) CN101297172B (en)
DE (1) DE102005044291A1 (en)
ES (1) ES2563405T3 (en)
PL (1) PL1929232T3 (en)
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US8393384B2 (en) 2013-03-12
WO2007031230A1 (en) 2007-03-22
CN101297172B (en) 2010-09-29
KR101300452B1 (en) 2013-09-10
PL1929232T3 (en) 2016-06-30
DE102005044291A1 (en) 2007-03-29
US20080264619A1 (en) 2008-10-30
KR20080055921A (en) 2008-06-19
ES2563405T3 (en) 2016-03-15
CN101297172A (en) 2008-10-29
EP1929232A1 (en) 2008-06-11

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