EP2376861B1 - Unité formant échangeur de chaleur - Google Patents

Unité formant échangeur de chaleur Download PDF

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Publication number
EP2376861B1
EP2376861B1 EP10721309.2A EP10721309A EP2376861B1 EP 2376861 B1 EP2376861 B1 EP 2376861B1 EP 10721309 A EP10721309 A EP 10721309A EP 2376861 B1 EP2376861 B1 EP 2376861B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
exchanger unit
unit according
plate
flow
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.)
Not-in-force
Application number
EP10721309.2A
Other languages
German (de)
English (en)
Other versions
EP2376861A2 (fr
Inventor
Reinhard Stoll
Alfredo Ghidini
Stefan MÜLLER-LUFFT
Stefan Laux
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102009022919A external-priority patent/DE102009022919A1/de
Application filed by Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP2376861A2 publication Critical patent/EP2376861A2/fr
Application granted granted Critical
Publication of EP2376861B1 publication Critical patent/EP2376861B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • 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
    • F28F9/0234—Header boxes; End plates having a second heat exchanger disposed there within, e.g. oil cooler
    • 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
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the invention relates to a heat exchanger unit for an internal combustion engine, which has heat exchanger channels formed by plates for a coolant flow and for a stream to be cooled or tempered, and which is equipped with corresponding inlets and outlets for the streams.
  • heat transfer units are for example from the EP 916 816B1 known.
  • This heat exchanger unit has been used as an oil cooler in a motor vehicle.
  • the coolant is usually the coolant of the automobile engine. From the coolant stream cooling the engine, a partial flow is branched off and used for oil cooling, which is added to the coolant flow after the heat has been exchanged with the oil, and then recooled in a radiator.
  • the branching of the partial flow is usually carried out by means of appropriate valves or the like.
  • the branched partial flow is often transported by means of lines to the heat exchanger back and forth.
  • From the EP 653 043B is another built from trough-shaped plates, compact, housingless heat exchanger unit is known which has an adapter plate. Through this heat exchanger unit flows a previously branched coolant partial flow. It is also known to mix coolant streams of different temperature and send them through the heat exchanger in order to always be able to provide an optimum, resulting oil temperature.
  • the object of the invention is to provide a compact, cost-effective heat exchanger unit to which a fairly large volume flow can be supplied.
  • the solution according to the invention results from a heat exchanger unit having the features of claim 1.
  • the unit according to the invention has been designed as a housing-less construction.
  • the inventive solution of the task is achieved according to an important aspect, characterized in that the heat exchanger unit is equipped with an inlet space for a first stream, from which a partial flow branchable through the associated heat exchanger channels and before the exit, ie within the unit in the first Electricity is traceable. In order to achieve a corresponding heat exchange effect, it was found that the partial flow should be about 20-80% of the coolant flow.
  • the entry space is according to another distinguishing feature arranged laterally of the plates or laterally of the heat exchanger channels formed therefrom. This is true in a preferred, but not necessary, also for the exit space.
  • the construction described represents a compact, cost-effective unit, because they are connected directly to an example, for example, main coolant line and can branch off the required coolant partial flow from the main coolant flow without complex circuit arrangements. The partial flow is still returned to the heat exchange unit within the heat exchanger unit after the heat exchange in the main coolant flow, and then for example, a radiator for cooling to be supplied.
  • JP 2004-346916 shows a heat transfer unit according to the preamble of claim 1.
  • the space is preferably a motor housing space into which the plate stack of the heat exchanger unit is inserted.
  • the motor housing space is closed by means of a diaphragm plate attached to the plate stack and / or mounting plate or adapter plate.
  • a heat exchanger unit which has heat exchanger channels 10, 11 formed by plates 1, for a coolant flow K and for a flow S to be cooled or for a temperature to be controlled, and which has corresponding inlets and outlets 2, 3, 4, 5 is equipped for the currents.
  • the heat exchanger unit is equipped with a coolant inlet space 6, from which a coolant partial flow KT comprising approximately 20-80% of the coolant flow can be branched off, conducted through the associated heat exchanger ducts 10 and returned to the coolant flow K before it exits.
  • the coolant partial flow averages about 60% of the coolant flow.
  • the heat exchanger unit is used as an oil cooler. Above the heat exchanger unit is a not shown Oil filter, which is flowed through by the oil. The uppermost cover plate provides a circular sealing surface 50 for the oil filter.
  • the diversion of the coolant partial flow KT takes place by means of a diaphragm plate 8 , which is arranged between the inlet space 6 and an outlet space 13 .
  • This has the advantage that by simply replacing the orifice plate 8 by another orifice plate with a larger or smaller opening, the heat exchanger unit can be adapted to different conditions of use to a certain extent. The remainder of the heat exchanger unit can remain unchanged.
  • the aperture plate 8 has, as mentioned, at least one aperture 80 whose opening edge is reinforced.
  • the opening edge is provided by means of a plastic coating or by means of a stainless steel lining.
  • a rubber or plastic collar 82 can be attached to the opening edge.
  • the coolant inlet space 6 receives the total coolant flow, a liquid-cooled internal combustion engine, not shown.
  • the outlet space 13 or the outlet 3 of the coolant is arranged approximately vis-à-vis the inlet 2 of the coolant, whereby channels for forwarding are not required.
  • the inlet space 6 and the outlet space 13 and the aperture 80 of the diaphragm plate 8 are located laterally, that is, relatively close to the plate stack.
  • the unit also includes a plate as a lower terminal plate 20a with an opening at the edge of a nozzle 21 is formed. This is for example in the Fig. 2a and 2b shown.
  • the molding of the nozzle 21 reduces the number of items.
  • the nozzle 21 is created by pulling the opening edge and curling thereof to provide a sealing groove in which a sealing ring 22 is located.
  • the coolant flow K is produced by means of this neck 21 KT , returned to the coolant circuit, not shown.
  • the nozzle 21 was used as a single part, which is soldered into the opening of the connection plate 20a .
  • the upper connection plate 20b which has the inlet connection 2 .
  • the nozzle 2 is shown as a single part.
  • the 6a and 6b has a housing 30 , on which the coolant inlet 2 and the coolant outlet 3 are arranged.
  • the associated heat exchanger channels 10 each extend between two pairs of plates, wherein in the individual pairs of plates 11 to be cooled or the current to be tempered flows.
  • An aperture plate 8 with an opening 80 is located between the inlet space 6 and the outlet space 13 for the coolant.
  • the aperture plate 8 is not completely flat, like a plate, but it has adapted folds to be able to be fixed in the space 6 accordingly.
  • Corresponding arrows, dotted for the flow of the coolant and solid for the oil, have also been drawn in and illustrate the above description.
  • the coolant partial flow KT enters the associated heat exchanger channels 10 , which are shown in this embodiment as laterally open channels between two pairs of plates, flows through the same and enters below the aperture plate 8 in the outlet space 13 to the heat exchanger unit in the coolant flow K, via the outlet 3 to leave. Also in this embodiment, the entrance and the exit are laterally adjacent to the plates 1n . However, the unit is formed without housing 30 , as shown in the remaining figures.
  • the associated heat exchanger channels 10 for the coolant partial flow KT and the heat exchanger channels 11 for the current to be cooled or tempered formed from stacked trough-shaped plates 1n having an obliquely projecting edge on which the plates 1n abut each other and to be connected by soldering.
  • the plate stack 1 also has at least one aperture plate 8 and an adapter plate 90 .
  • the coolant inlet space 6 and the coolant outlet space 13 partially separated from the diaphragm plate 8 are formed in the adapter plate 90 .
  • at least one supply channel 91 is formed from the coolant inlet space 6 to form an opening formed in the plates by the plate stack Distributor space for the coolant partial flow KT arranged.
  • the distributor space is in flow communication with the associated heat exchanger ducts 10 and with a collecting space formed in the same way.
  • the plates 1n have further openings which provide the said collecting space in the plate stack 1 .
  • at least one discharge channel 92 is provided which leads to the outlet space 13 .
  • the exit space 13 is formed in the adapter plate 90 .
  • the size of the inlet space 6 , the outlet space 13 and the inlet and outlet channels 91 , 92 can be adjusted by laminating a plurality of adapter plates 90a , 90b , 90c and 90d.
  • the adapter plate / s is / are soldered to the plate stack, which, as shown in the figures (for example Fig.
  • the diaphragm plate 8 is located between each two adapter plates.
  • the 1 a, 2 a, and 4 Also included is a ring-like seal 25 which can be plugged into corresponding openings at the bottom of the unit with projections to be securely held therein and to make the heat exchanger unit operational.
  • the adapter plate 90 is replaced by an example cast connection adapter 90 , in which the functions described are integrated.
  • the terminal adapter 90 is then mechanically fastened to the soldered plate stack with insertion of a gasket.
  • a discharge channel 92 which is not visible in the illustrations.
  • the heat exchanger plates 1n in this embodiment can be identical to the preferred embodiment according to FIG Fig. 1 be educated.
  • FIGS. 8-12 a further heat exchanger unit of caseless construction can be seen, the means of plates 1n in a plate stack 1 formed heat exchanger channels 10 , 11 for a coolant flow K (solid arrows) and for a to be cooled or for a current to be tempered S (dashed arrows) and the is equipped with corresponding inlets and outlets 2, 3, 4, 5 for the streams.
  • the heat exchanger unit has been provided with a coolant inlet space 6, from which about 50% of the coolant flow is more extensive Coolant part stream KT branched off, by the associated heat exchanger channels 11 conductive and in the coolant flow K is traceable.
  • the coolant partial flow KT leaves the plate stack 1 on the opposite side of the inlet 2 , through an opening forming a collection channel 17 in the plates 1n .
  • the coolant partial flow KT enters a space 100 there and preferably already merges in the space 100 with the coolant flow K flowing through the space 100 and around the plate stack 1 .
  • the entire coolant flow K leaves the space 100 via an outlet 3 in the motor housing, for example, to be supplied to a radiator, not shown, for recooling.
  • an aperture plate 8 is used with the advantages described.
  • the coolant inlet space 6 also receives here the total coolant flow, for example, a liquid-cooled internal combustion engine, not shown.
  • the arrangement of the plate stack 1 in the space 100 has been made such that the obliquely projecting edges of the plates 1n point into the space 100 .
  • the diaphragm plate 8 and a space 100 closing the adapter plate 90 are therefore arranged on the side of the plate stack 1, away from the oblique edges.
  • the plates 1n also have four openings which form four corresponding collection or distribution spaces for both media streams in the stack 1 .
  • the collection or distribution channels formed by means of the plate openings have been partially visible and provided with the reference symbols 14 - 17 . Should a third media stream participate in the heat exchange, there would be correspondingly six openings in the plates 1n .
  • the preferably soldered plate stack 1 also has the mentioned aperture plate 8 and, in the case shown, two adapter plates 90a , 90b . Furthermore, at least one supply channel 91 to the mentioned, the plate stack 1 passing through the distribution space for the coolant partial flow KT is arranged, starting from the coolant inlet chamber 6 .
  • the distributor space is in flow communication with the associated heat exchanger channels 11 and with the collecting space formed in the same way.
  • the oil comes from the motor housing via an inlet 4 , flows through a channel in the adapter plate 90 to its intended entry (distribution chamber) in the plate stack 1 , flows through the addressed heat exchanger channels 10 in the plate stack 1 , then to the associated plenum and through a another channel in the adapter plate 90 to the outlet 5 , that is, to get back into the motor housing. ( Fig. 9 ) As can be seen, therefore, the oil enters and exits the same side of the plate stack 1 .
  • the adapter plate 90a , 90b replaced by an example cast connection adapter 90 , in which the functions described are integrated.
  • the terminal adapter 90 is then mechanically fastened to the soldered plate stack 1 with the insertion of an annular seal 70 .
  • a seal must also be present for the recess in the motor housing.
  • the aperture 80 was not shown here as a through hole through the aperture plate 8 , but, so to speak, as a free cut on the aperture plate. 8 The cut-away portion provides the aperture 80 , as there is a corresponding difference in size between the recess in the motor housing (space 100 ) and the aperture plate 8 .
  • the seal 70 above the aperture plate 8 while from the FIGS.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (17)

  1. Unité formant échangeur de chaleur pour un moteur à combustion interne, laquelle unité comprend des conduits d'échangeur de chaleur (10, 11), formés par des plaques (1n) en forme de bac empilées, pour un premier flux de réfrigérant liquide (K) et pour un deuxième flux liquide (S) et est dotée d'entrées et de sorties correspondantes (2, 3, 4, 5) pour les flux (K, S),
    l'unité formant échangeur de chaleur comprenant un espace d'entrée (6) et un espace de sortie (13, 100) pour le premier flux de réfrigérant liquide (K), caractérisée par une plaque à orifice (8) qui présente un orifice (80) qui est disposé entre l'espace d'entrée (6) et l'espace de sortie (13, 100),
    l'espace d'entrée (6) étant disposé latéralement par rapport aux plaques,
    l'espace d'entrée (6) recevant tout le flux de réfrigérant liquide (K) du moteur à combustion interne, duquel flux de réfrigérant liquide peut être dévié au moyen de la plaque à orifice (8) un flux partiel (KT) pouvant être guidé à travers les conduits d'échangeur de chaleur associés (10) et recirculé à l'intérieur de l'unité jusqu'à la sortie (3) du premier flux de réfrigérant liquide (K) .
  2. Unité formant échangeur de chaleur selon la revendication 1, caractérisée en ce que le bord de l'orifice de la plaque à orifice (8) est renforcé.
  3. Unité formant échangeur de chaleur selon la revendication 2, caractérisée en ce que le bord de l'orifice est protégé contre l'érosion au moyen d'un revêtement en caoutchouc ou en plastique ou au moyen d'un revêtement en acier inoxydable.
  4. Unité formant échangeur de chaleur selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la sortie (3) du premier flux (K) est disposée approximativement en regard de l'entrée (2) du premier flux (K).
  5. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité contient au moins une plaque (20) dotée d'un orifice sur le bord duquel est formée une tubulure (21) qui peut être enfichée dans un orifice d'écoulement.
  6. Unité formant échangeur de chaleur selon au moins l'une quelconque des revendications 1 à 5, caractérisée en ce que l'unité est réalisée sans boîtier (30).
  7. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que la pile de plaques (1) comporte une plaque d'adaptation (90).
  8. Unité formant échangeur de chaleur selon la revendication 1, caractérisée en ce que la plaque à orifice (8) comprend un orifice de refoulement (81).
  9. Unité formant échangeur de chaleur selon la revendication 7, caractérisée en ce que l'espace d'entrée (6) est réalisé dans la plaque d'adaptation (90).
  10. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un conduit d'alimentation (91) est disposé à partir de l'espace d'entrée jusqu'à un espace de distribution formé par des orifices dans les plaques (1n) et traversant la pile de plaques (1), l'espace de distribution étant en liaison fluidique avec les conduits d'échangeur de chaleur associés (10) et avec un espace collecteur formé de la même manière.
  11. Unité formant échangeur de chaleur selon la revendication 10, caractérisée en ce qu'au moins un conduit d'évacuation (92) mène de l'espace collecteur à l'espace de sortie.
  12. Unité formant échangeur de chaleur selon la revendication 11, caractérisée en ce que l'espace de sortie est réalisé dans la plaque d'adaptation.
  13. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que la plaque d'adaptation (90) est constituée de plusieurs plaques individuelles (90a, b, c, d).
  14. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que la plaque à orifice (8) est disposée entre plusieurs plaques d'adaptation.
  15. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que le conduit d'alimentation et le conduit d'évacuation sont réalisés dans plusieurs plaques d'adaptation.
  16. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins l'une des plaques est réalisée sous forme de plaque de raccordement (20) à l'orifice de laquelle est formée une tubulure (21).
  17. Unité formant échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisée en ce que la plaque d'adaptation (90) est soit brasée sur la pile de plaques (1) soit reliée mécaniquement de manière étanche à celle-ci.
EP10721309.2A 2009-05-27 2010-05-03 Unité formant échangeur de chaleur Not-in-force EP2376861B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009022919A DE102009022919A1 (de) 2009-05-27 2009-05-27 Wärmeübertragereinheit
DE102009050016A DE102009050016A1 (de) 2009-05-27 2009-10-21 Wärmeübertragereinheit
PCT/EP2010/002679 WO2010136108A2 (fr) 2009-05-27 2010-05-03 Unité formant échangeur de chaleur

Publications (2)

Publication Number Publication Date
EP2376861A2 EP2376861A2 (fr) 2011-10-19
EP2376861B1 true EP2376861B1 (fr) 2013-08-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10721309.2A Not-in-force EP2376861B1 (fr) 2009-05-27 2010-05-03 Unité formant échangeur de chaleur

Country Status (7)

Country Link
US (1) US9383144B2 (fr)
EP (1) EP2376861B1 (fr)
KR (1) KR101720813B1 (fr)
CN (1) CN102449422B (fr)
BR (1) BRPI1011174A2 (fr)
DE (1) DE102009050016A1 (fr)
WO (1) WO2010136108A2 (fr)

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Publication number Publication date
WO2010136108A3 (fr) 2011-07-14
CN102449422A (zh) 2012-05-09
EP2376861A2 (fr) 2011-10-19
WO2010136108A2 (fr) 2010-12-02
KR101720813B1 (ko) 2017-03-29
US20120061060A1 (en) 2012-03-15
CN102449422B (zh) 2016-09-07
BRPI1011174A2 (pt) 2016-03-15
DE102009050016A1 (de) 2011-05-05
US9383144B2 (en) 2016-07-05
KR20120030108A (ko) 2012-03-27

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