EP2084388B1 - Agr-bypassventil und wärmeaustauschvorrichtung mit diesem ventil - Google Patents

Agr-bypassventil und wärmeaustauschvorrichtung mit diesem ventil Download PDF

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Publication number
EP2084388B1
EP2084388B1 EP07858454.7A EP07858454A EP2084388B1 EP 2084388 B1 EP2084388 B1 EP 2084388B1 EP 07858454 A EP07858454 A EP 07858454A EP 2084388 B1 EP2084388 B1 EP 2084388B1
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EP
European Patent Office
Prior art keywords
duct
flap
exchanger
valve assembly
seat
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
EP07858454.7A
Other languages
English (en)
French (fr)
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EP2084388A1 (de
Inventor
Laurent Albert
Olivier Delgarde
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.)
Valeo Systemes de Controle Moteur SAS
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Valeo Systemes de Controle Moteur SAS
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.)
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Publication date
Priority claimed from FR0609479A external-priority patent/FR2907885B1/fr
Application filed by Valeo Systemes de Controle Moteur SAS filed Critical Valeo Systemes de Controle Moteur SAS
Publication of EP2084388A1 publication Critical patent/EP2084388A1/de
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Publication of EP2084388B1 publication Critical patent/EP2084388B1/de
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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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • F02M26/26—Layout, e.g. schematics with coolers having bypasses characterised by details of the bypass valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—Liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/51—EGR valves combined with other devices, e.g. with intake valves or compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • 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
    • 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
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • 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
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded

Definitions

  • the present invention relates to fluid transport circuits such as those used in motor vehicles, in particular for recirculating the exhaust gases of the combustion engines of these vehicles. It relates in particular to a valve assembly according to the preamble of claim 1. Such an assembly is known for example from the figure 1 of the document DE 103 46 250 A1 .
  • An exhaust gas recirculation circuit of the engine of a motor vehicle (commonly known as EGR for "Exhaust Gas Recirculation”) extends between the exhaust system and the intake circuit of the engine and conventionally comprises a heat exchanger for cooling the exhaust gas, an uncooled bypass channel, a bypass valve for selectively directing the gas flow into the heat exchanger or the bypass duct, and a control valve for adjusting the flow rate of the gas flow in the recirculation circuit.
  • An object of the invention is to provide a means for solving at least one of the aforementioned drawbacks.
  • the valve assembly comprises a body with a movable valve and a flange for attaching the body to an exchanger.
  • the flange not only provides this function of connecting the body with the exchanger, but also a flap support function.
  • the valve assembly thus incorporates in a compact structure a valve, a flap and a mounting flange of the assembly on the exchanger.
  • the body and the flange comprise seat surfaces for the flap when the flap is in at least one of its positions.
  • the body and the flange both have surfaces forming a seat for the flap, which limits the size of the flange and bring the body of the exchanger.
  • the invention also relates to a heat exchange device comprising an exchanger and such a valve assembly.
  • the invention is here described in application to a recirculation circuit of the exhaust gas of a motor vehicle engine.
  • the recirculation circuit is provided with means of its connection on the one hand to the exhaust circuit of the engine and on the other hand to the intake circuit of the engine.
  • the operating principle of such a recirculation circuit is known in itself and will not be detailed below.
  • the exhaust gas recirculation circuit comprises a heat exchange device comprising a heat exchanger, generally designated 1, associated with a valve assembly, generally designated 2.
  • the heat exchanger 1 comprises a body generally designated 3, comprising an outer casing 4, of tubular shape, having open ends 4.1, 4.2.
  • the outer casing 4 here has a parallelepipedal shape and comprises walls 4.3, 4.4, 4.5 and 4.6 parallel and opposite two by two.
  • two central partitions 5 extend parallel to each other and to a longitudinal axis 6 of the outer casing 4.
  • the central partitions 5 have opposite longitudinal edges connected to the walls 4.3, 4.4 so as to define with the central channel 7 comprises enlarged portions 7.1, 7.2 in the vicinity of the walls 4.3, 4.4 so that the central channel 7 has a cross-section here in the form of I.
  • the portions 7.1, 7.2 communicate with each other. the outside of the outer casing 4 by openings 8.1, 8.2 formed respectively in the walls 4.3, 4.4 in the vicinity of the ends 4.1, 4.2 of the outer casing 4.
  • partitions 9 peripheral devices extend parallel to each other and the longitudinal axis 6.
  • the peripheral partitions 9 extend on either side of the central channel 7 and have opposite longitudinal edges respectively connected to the walls 4.5, 4.6 and central partitions 5 so as to define therewith peripheral channels 10.
  • the peripheral channels 10 here have a rectangular cross section.
  • the central channel 7 has a section greater than that of the peripheral channels 10.
  • the body 3 is made of aluminum by extrusion so that at the outlet of the extruder, the channels 7 and 10 have open ends. Extrusion manufacturing makes it possible to obtain a one-piece body, which limits assembly operations and minimizes manufacturing costs.
  • the body 3 may also be made of a metal other than aluminum and more generally any material having sufficient thermal conduction properties.
  • These members comprise two closure elements 11, 12 fixed by welding at the ends of the central channel 7, respectively on the end-end 4.1 and end-4.2 side of the outer casing 4.
  • These members also comprise a return element 13 which has the shape of a cap having a cylindrical segment bottom wall with an axis perpendicular to the walls 4.5, 4.6 and which is fixed on the end 4.2 of the casing 4.
  • L return element 13 makes it possible to send a flux coming from some of the peripheral channels 10, in this case those identified 10.a extending in the upper half of the outer envelope 4, towards the other peripheral channels 10, c ' that is to say those identified 10.b extending into the lower half of the outer envelope 4 (see more particularly the figures 5 and 6 ).
  • These members further comprise a connecting member of the ends of the peripheral channels 10, located on the side of the end 4.1, to fluid supply and discharge conduits.
  • This connecting element is here formed by the valve assembly 2.
  • the valve assembly 2 comprises a valve body 21 having an end portion arranged to form a manifold 22 and an end portion 23 delimiting a first conduit 24 opening into the manifold 22 by a seat 25 for a valve 26 mounted movable in the manifold 22 between an extreme position of closure and an extreme open position of the first conduit 24.
  • the end portion 23 is provided with means for connecting the first conduit 24 to an external pipe.
  • the collector 22 extends the first conduit 24 and here forms a flared end thereof.
  • the valve 26 is connected to the rod of an actuator 27 mounted outside the valve body 21 on the side of its end portion 23.
  • the actuator 27, known in itself, is arranged to slide in such a way that adjustable valve 26 between its two positions.
  • the collector 22 also defines a second duct 28 opening into the collector 22 on the side of the wall 4.3 and perpendicular to the longitudinal axis 6.
  • the second duct 28 is an inlet duct for a gas flow in the valve assembly 2 and the first duct 24 is an outlet duct of the gas stream of the valve assembly 2.
  • the second duct 28 is thus intended to be connected to the exhaust circuit of the heat engine and the first duct 24 is intended to be connected to the intake duct of the engine.
  • the collector 22 is fitted between two flanges 31 of a flange, generally designated 30, fitted and fixed by welding on the end 4.1 of the envelope 4.
  • the wings 31 are parallel to the walls 4.5, 4.6 of the outer casing 4 and are provided with bearings pivotally receiving an axis 32 of a double flap, generally designated 33, having two parts of flap 33.1, 33.2 s extending in the extension of one another on either side of the axis 32.
  • the flange 30 and the flap 33 define an inlet opening 34 in the exchanger 1 facing the peripheral channels 10.a and an outlet opening 35 of the exchanger 1 opposite the peripheral channels 10.b.
  • the flap 33 is mounted facing the second duct 28 and the opening 34 and is movable between a bypass position ( figure 3 ) in which the flap 33 deflects a gas flow from the second duct 28 directly to the first duct 24 without passing through the heat exchanger 1 and a connection position ( figure 2 ) in which the flap 33 guides the gas flow from the second duct 24 to the inlet opening 34 and the outlet opening 35 to the first duct 24.
  • the lateral and end edges of the flap portion 33.1 are in sealing engagement respectively against seat surfaces 36, 37 extending into the manifold 22 and belonging to the valve body 21; the lateral and end edges of the flap portion 33.2 are in sealing engagement respectively against surfaces 38, 39 forming a seat and belonging to the flange 30.
  • the surfaces 36, 37 extend on one side of the bearings opposite to the surfaces 38, 39.
  • the flap 33 in connection position thus isolates the portion of the collector 22 into which the second duct 28 of the portion of the collector 23 into which the first duct 24 opens.
  • the flap 33 deflects the gas flow directly to the first duct 24.
  • the inlet and outlet of the exchanger open all two in the valve body behind the shutter, there is no circulation in the heat exchanger even if it is not sealed with respect to the conduits 24, 28.
  • the surface 39 belongs to a crosspiece of the flange 30 which is integral with the shutter element 11 of the central channel 7.
  • the flange 30 Due to the structure of the flange 30 and the distribution of the surfaces 36, 37, 38, 39 forming the seat of the flap 33 between the valve body 21 and the flange 30, the flange 30 is compact and makes it possible to obtain a small distance between the valve body 21 and the body 3 of the exchanger 1.
  • the flange 30 is made of a thermally conductive material and constitutes a thermal bridge between the valve body 21 and the body 3 of the exchanger 1.
  • the collector 22 is provided with a thermally conductive fin 29 which extends perpendicularly to the axis 32 of the flap 33 and which comes be supported on the body 3 of the exchanger 1, here indirectly via the shutter element 11, made of thermally conductive material.
  • the fin 29 thus promotes thermal conduction between the body 3 of the exchanger 1 and the valve body 21. It is possible to use any element or any shape capable of forming a thermal bridge between the valve body 21 and the body 3, for example one or more local increases in thickness.
  • the return element 13 and the flange 30 comprise end-pieces 14, 15 intended to extend opposite the openings 8.1, 8.2 to allow the connection of ducts to the central channel 7.
  • These end-pieces 14, 15 are welded to the walls 4.3 , 4.4 and are intended to be connected to pipes carrying a heat transfer fluid.
  • the central channel 7 thus carries the heat transfer fluid that will allow the cooling of the exhaust gas that will flow in the peripheral channels 10.
  • the central partitions 5 are thus in contact with the coolant and the gases to be cooled and allow a direct heat transfer between them, and the peripheral partitions 9 provide a heat transfer between the gases to be cooled and the heat transfer fluid via the central partitions 5.
  • central channel for the coolant and peripheral channels surrounding the central channel for the fluid to be cooled allows to obtain a compact and efficient heat exchanger structure by favoring heat transfer by convection and conduction.
  • a single central channel for the heat transfer fluid limits the lengths to be sealed and minimizes the risk of leakage.
  • shut-off element 11 since the shut-off element 11 is in contact with the coolant, the element promotes the cooling of the fin 29 and thus of the valve body 21.
  • the components welded to the body 3 of the exchanger are laser welded.
  • valve assembly 2 and the return element 13 are arranged in such a way that the channels 10.a extend on one side of the central channel 7 opposite the channels 10.b (see FIG. the figure 7 ).
  • the body 3 of the exchanger 1 comprises only four main peripheral channels 110 made in the mass of the body 3, each of these peripheral channels 110 being subdivided into a plurality of peripheral sub-channels 111 via a wall in zigzag 112 reported in each peripheral channel 110.
  • these walls in zigzag 112 may have reliefs, for example embossing, to create turbulence in the gas stream.
  • the central channel 207 is identical to the central channel 7 previously described, all the peripheral channels 210 of the body 203 of the exchanger are unidirectional and the body 203 of the exchanger comprises two additional channels, namely a bypass channel 250 uncooled and an isolation channel 251 containing air and thermally isolating the branch channel 250 of the central channel 207.
  • valve body 221 of the valve assembly 202 is fixed to the body 203 of the exchanger by a flange 230 having a single flap 233 movable between a connection position of the duct 224 to the peripheral channels 210 and a bypass position in which the duct 224 is connected to the bypass channel 250.
  • isolation channel 251 is optional.
  • the body 3 of the heat exchanger comprises two peripheral walls 300, parallel to the walls 4.5, 4.6, having longitudinal edges connected to the walls 4.3, 4.4 to define with them and with the walls 4.5, 4.6 of the main channels 301 for the passage of the coolant.
  • Between the peripheral walls 300 extend central partitions 302 delimiting central channels 303 of smaller section than the main channels 301 and intended for the passage of gases to be cooled.
  • the body of the heat exchanger may have a different structure from that described and result for example from the combination of one or more of the embodiments described or result from an assembly of different parts.
  • the number of channels may be different and the sections of those may not be rectangular.
  • the outer envelope and the central channel may thus have a circular section and the peripheral channels a section into annular segments.
  • the body may comprise at least one extruded portion incorporating at least some of the partitions delimiting (in whole or in part) a plurality of channels.
  • the body 3 of the exchanger may result from the assembly of several extruded parts (the body 3 remains an "extruded body" in the sense of the present description.
  • Part 3.B comprises a central portion comprising the two central partitions 5 whose adjacent longitudinal edges are connected by partitions 5 'to delimit the central channel 7 which is only open at its ends before the introduction of the shutter elements 11, 12 (not visible here).
  • Central partitions 5 extend the peripheral partitions 9.
  • Part 3.B is mounted in part 3.A in such a way that the walls 4.3, 4.4, 4.5 and 4.6 delimit the peripheral channels 10 with the peripheral walls 9. It is not necessary to fix the free longitudinal edges of the peripheral partitions 9 to the casing 4, a sealing of the peripheral channels 9 relative to each other is not necessary for the proper operation of the exchanger 1. In contrast, the central channel 7 is longitudinally watertight even before the assembly of part 4.8 in part 4.A, the risk of leakage of the coolant to be avoided.
  • ribs 70 project from peripheral partitions to increase the exchange surfaces with the gas flow.
  • half-bodies 3.A ', 3.B' each delimiting: a longitudinal portion of the walls 4.3 and 4.4; one of the walls 4.5, 4.6; one of the central partitions 5 and the peripheral partitions 9.
  • the half-bodies 3.A ', 3.B' are joined to form the central channel 7 and are connected to each other by a longitudinal weld extending along the walls 4.3 and 4.4.
  • the partitions of the body of the exchanger may locally have plastic deformations aimed at generating turbulence in the gas flow.
  • These partitions can for example be corrugated as shown on the figure 11 .
  • the seat surfaces for the flap can be made on the flange only. Seat surfaces may also be provided on the valve body, either for only one of the positions of the flap, or for both positions of the flap.
  • the edges of the flap 33 may be spaced apart from the surfaces forming a seat belonging to the valve body 21 and the flange 30 by a distance less than a minimum clearance clearance. This means that there is no impervious support of the flap on these surfaces but that a space extends between them, this space being of sufficiently small dimensions so that the resulting leakage is not detrimental to the operation of the heat exchange device. It is also possible to arrange the valve assembly so that the shutter in the bypass position cooperates with seat surfaces belonging to the valve body and / or the flange.
  • the fin 29 is optional.
  • the second duct may be delimited by the flange.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Claims (9)

  1. Ventilanordnung, welche einen Körper (21), der wenigstens einen ersten Kanal (24) begrenzt, und einen Ventilteller (26), der in dem Körper angebracht und bezüglich eines in dem ersten Kanal ausgebildeten Sitzes (25) beweglich ist, umfasst, dadurch gekennzeichnet, dass ein Flansch (30) zur Verbindung mit einem Wärmetauscher (1) an dem Körper befestigt ist, wobei eine Klappe (33) in dem Flansch angebracht ist, um zwischen einer Position des Anschlusses des ersten Kanals an den Wärmetauscher und einer Umgehungsposition, in welcher der erste Kanal nicht an den Wärmetauscher angeschlossen ist, zu schwenken,
    wobei der Ventilkörper (21) und der Flansch (30) Flächen (36, 37, 38, 39) umfassen, die einen Sitz für die Klappe (33) bilden, wenn sich diese in wenigstens einer ihrer Positionen befindet.
  2. Anordnung nach Anspruch 1, wobei die Klappe (33) in der wenigstens einen ihrer Positionen an den einen Sitz bildenden Flächen (36, 37, 38, 39) anliegt.
  3. Anordnung nach Anspruch 1, wobei die Klappe (33) in der wenigstens einen ihrer Positionen von den einen Sitz bildenden Flächen um einen Zwischenraum mit geringer Leckage beabstandet ist.
  4. Anordnung nach Anspruch 1, wobei die Klappe (33) eine Doppelklappe ist, die eine Schwenkachse (32) aufweist, beiderseits von der sich symmetrisch Teile der Klappe erstrecken, wobei die einen Sitz bildenden Flächen (36, 37) des Körpers (21) den einen Sitz bildenden Flächen (38, 39) des Flansches (30) bezüglich der Schwenkachse (32) symmetrisch gegenüberliegend sind.
  5. Anordnung nach Anspruch 1, wobei die einen Sitz bildenden Flächen (36, 37, 38, 39) des Körpers (21) und des Flansches (30) mit der Klappe (33) zusammenwirken, wenn diese sich in ihrer Position des Anschlusses befindet.
  6. Anordnung nach Anspruch 1, welche einen zweiten Kanal (28) begrenzt, wobei der erste Kanal (24) und der zweite Kanal einen Eingangskanal und einen Ausgangskanal der Ventilanordnung bilden und der Flansch () eine Eingangsöffnung (34) und eine Ausgangsöffnung (35) des Wärmetauschers (1) begrenzen, wobei die Klappe (33) in der Position des Anschlusses den Eingangskanal und den Ausgangskanal der Ventilanordnung mit dem Eingangskanal bzw. dem Ausgangskanal des Wärmetauschers in Verbindung bringt und die Klappe in der Umgehungsposition den Eingangskanal der Ventilanordnung direkt mit dem Ausgangskanal der Ventilanordnung in Verbindung bringt.
  7. Ventilanordnung nach Anspruch 6, wobei der zweite Kanal (28) von dem Ventilkörper (21) begrenzt wird.
  8. Ventilanordnung nach Anspruch 1, wobei der Flansch (30) thermisch leitend ist und dafür ausgelegt ist, eine Wärmebrücke zwischen dem Ventilkörper (21) und dem Wärmetauscher (1) zu bilden.
  9. Wärmeaustauschvorrichtung, welche einen Wärmetauscher (1) und eine Ventilanordnung (2) nach einem der vorhergehenden Ansprüche aufweist.
EP07858454.7A 2006-10-27 2007-10-16 Agr-bypassventil und wärmeaustauschvorrichtung mit diesem ventil Active EP2084388B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0609479A FR2907885B1 (fr) 2006-10-27 2006-10-27 Echangeur thermique comportant un corps extrude
FR0611421A FR2907890B1 (fr) 2006-10-27 2006-12-26 Ensemble de vanne egr-by pass et dispositif d'echange thermique equipe d'un tel ensemble de vanne.
PCT/FR2007/001693 WO2008053091A1 (fr) 2006-10-27 2007-10-16 Ensemble de vanne egr-by pass et dispositif d'échange thermique équipé d'un tel ensemble de vanne

Publications (2)

Publication Number Publication Date
EP2084388A1 EP2084388A1 (de) 2009-08-05
EP2084388B1 true EP2084388B1 (de) 2017-08-16

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EP07858454.7A Active EP2084388B1 (de) 2006-10-27 2007-10-16 Agr-bypassventil und wärmeaustauschvorrichtung mit diesem ventil

Country Status (3)

Country Link
EP (1) EP2084388B1 (de)
FR (1) FR2907890B1 (de)
WO (1) WO2008053091A1 (de)

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FR3121204A1 (fr) * 2021-03-26 2022-09-30 Cap Profile Procédé de fabrication d’un échangeur de chaleur, échangeur de chaleur obtenu par un tel procédé, élément de plancher et plancher comprenant un tel échangeur de chaleur

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Publication number Priority date Publication date Assignee Title
JP5074317B2 (ja) * 2008-07-16 2012-11-14 愛三工業株式会社 流路切替弁
US20170260931A1 (en) * 2016-03-10 2017-09-14 Denso International America, Inc. Evaporative Emission Control System
GB2549121B (en) * 2016-04-06 2019-06-12 Jaguar Land Rover Ltd Valve arrangement for an energy recovery unit

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FR2907890A1 (fr) 2008-05-02
EP2084388A1 (de) 2009-08-05
WO2008053091A1 (fr) 2008-05-08
FR2907890B1 (fr) 2015-02-27

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