EP3751127B1 - Abgasrückführungskühler - Google Patents

Abgasrückführungskühler Download PDF

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Publication number
EP3751127B1
EP3751127B1 EP19179471.8A EP19179471A EP3751127B1 EP 3751127 B1 EP3751127 B1 EP 3751127B1 EP 19179471 A EP19179471 A EP 19179471A EP 3751127 B1 EP3751127 B1 EP 3751127B1
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EP
European Patent Office
Prior art keywords
housing
beads
exhaust gas
bead
curved
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
EP19179471.8A
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English (en)
French (fr)
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EP3751127A1 (de
Inventor
Rafael BUGELLI
Mohamed Bahouss
Eduardo JOVANINI
Rodrigo BENEVIDES
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 Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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Publication date
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Priority to EP19179471.8A priority Critical patent/EP3751127B1/de
Publication of EP3751127A1 publication Critical patent/EP3751127A1/de
Application granted granted Critical
Publication of EP3751127B1 publication Critical patent/EP3751127B1/de
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Classifications

    • 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
    • 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
    • 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
    • F28D7/16—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 being arranged in parallel spaced relation
    • F28D7/1684—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 being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • 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
    • F28F2225/00—Reinforcing means
    • F28F2225/02—Reinforcing means for casings

Definitions

  • the present invention generally relates to an Exhaust Gas Re-circulation (EGR) cooler, and in more particularly, to an Exhaust Gas Re-circulation cooler having beads to withstand pulsating pressure of exhaust gas from an engine of a vehicle.
  • EGR Exhaust Gas Re-circulation
  • an Exhaust Gas Re-circulation cooler hereinafter referred to as EGR cooler
  • the EGR cooler receives a part of exhaust gas from the engine of the vehicle and the exhaust gas rejects heat to the coolant flowing in the EGR cooler. After rejecting heat, the exhaust gas can be reused in the vehicle.
  • the exhaust gas received from the engine may be subjected to different pressure levels or pulsating pressure over a time-period based on the speed of the engine. In one example, pressure of the exhaust gas may be "P1" at time "T1", and "P2" at time "T2".
  • a housing of the EGR cooler may experience some stress, which leads to damages of the housing. Further, the higher stress acting on the housing may cause swelling of the housing, which may crack the housing of the EGR cooler.
  • beads 104 are provided in housing 102 of a conventional EGR cooler 100 as shown in Fig. 1 .
  • the beads 104 are formed in lateral walls of the housing 102, with an aim of enabling the housing 102 to withstand the pulsating pressure of exhaust gas.
  • the beads 104 provided in the housing 102 withstand the pulsating pressure of exhaust gas to some extent, corners and the lateral walls of the housing 102 still experience some stress Therefore, the stress acting on the housing 102 of the EGR cooler 100 needs to eliminated to improve service life of the EGR cooler 100 and to avoid cracking the housing 102 of the EGR cooler 100.
  • EGR coolers are known from DE 10 2008 028244 B3 , US 2014/338873 A1 , DE 10 2016 110772 A1 , US 2017/009708 A1 , US 2017/336147 A1 and EP 1 801 407 A1 .
  • an EGR cooler that withstands the exhaust gas received from an engine of a vehicle and having differential pressure over the time. Further, there is a need for a housing of an EGR cooler that avoids cracking even when the housing is subjected to the exhaust gas having pulsating pressure over the time.
  • some elements or parameters may be indexed, such as a first element and a second element.
  • this indexation is only meant to differentiate and name elements which are similar but not identical. No idea of priority should be inferred from such indexation, as these terms may be switched without betraying the invention. Additionally, this indexation does not imply any order in mounting or use of the elements of the invention.
  • an embodiment of the invention herein provides an Exhaust Gas Re-circulation (EGR) cooler for a vehicle.
  • the EGR cooler includes a housing having a first fluid circuit, at least one first bead, and a plurality of curved beads.
  • the housing further includes lateral walls having a middle portion, a first side portion and a second side portion, in which the first side portion and the second side portion are formed on opposite sides of the middle portion.
  • the first fluid circuit is formed in the housing to receive pulsating pressure of exhaust gas from an engine of a vehicle.
  • the at least one first bead is formed at the middle portion of the housing and the plurality of curved beads is formed on the first side portion and the second side portion of the lateral walls of the housing.
  • the at least one first bead and the plurality of curved beads are formed along a longitudinal axis on the lateral walls of the housing. Further, the plurality of curved beads is progressively continuous curved beads, the beads of the plurality of curved beads are curved in such a way that a bead of the plurality of curved beads at a distal end with respect to the middle portion is more curved as compared to a bead of the plurality of curved beads at a proximal end with respect to the middle portion of the housing.
  • the plurality of curved beads formed in the first side portion and the second side portion is concave with respect to the at least one first bead provided in the middle portion of the housing.
  • the plurality of curved beads formed in the first side portion of the housing is convex with respect to the at least one first bead provided in the middle portion of the housing, whereas the plurality of curved beads formed in the second side portion of the housing is concaved with respect to the at least one first bead provided in the middle portion of the housing.
  • the plurality of curved beads is progressively continuous curved beads and the at least one first bead is a straight bead.
  • the housing is formed by connecting the lateral walls with sidewalls.
  • the housing includes at least one corner bead formed at corners where the laterals walls are connected with the sidewalls that are perpendicular to the lateral walls.
  • the at least one first bead, the plurality of curved beads, and the at least one corner bead are provided in the housing to reduced stress generated on the housing by the pulsating pressure of exhaust gas entering into the housing.
  • the first fluid circuit is formed by a plurality of heat exchange elements to receive the pulsating pressure of exhaust gas from the engine of the vehicle, wherein the housing further includes a second fluid circuit formed around the plurality of heat exchange elements to enable heat exchange between the pulsating pressure of exhaust gas and a coolant flowing in the second fluid circuit.
  • the plurality of curved beads is any one of "W" shaped beads, concavely curved beads and convexly curved beads.
  • the heat exchanger is an Exhaust Gas Re-circulation cooler and the housing is formed by connecting the lateral walls with sidewalls that is perpendicular to the lateral walls.
  • the present invention relates to an Exhaust Gas Re-circulation cooler, hereinafter referred to as EGR cooler, for a vehicle.
  • EGR cooler is provided at exhaust channel of an engine.
  • the EGR cooler cools down exhaust gas before being re-circulated into the engine in-order to reduce emission of pollutant from the vehicle.
  • the EGR cooler may receive exhaust gas from the engine with differential or pulsating pressure based on the speed of the engine.
  • one or more curved beads are provided in a housing the EGR cooler.
  • the one or more curved beads are progressively continuous curved beads to eliminate the stress acting on lateral walls of the housing.
  • corner beads are provided in the corners of the housing to eliminate stress acting on the housing due to the differential pressure of exhaust gas. As the one or more curved beads and the corner beads withstand the differential pressure of exhaust gas entering the housing and reduce stress acting on the housing, damages and cracking of the housing are mitigated which enhances service life of the EGR cooler.
  • Figs. 2A , 2B and 2C illustrate different views of an EGR cooler 200, according to an embodiment of the present invention.
  • Figs. 2A and 2B are perspective views of the EGR cooler 200
  • Fig. 2C is a front view of a housing 202 of the EGR cooler 200.
  • the EGR cooler 200 is provided at an exhaust channel of a vehicle to receive a part of the exhaust gas from an engine of the vehicle.
  • the EGR cooler 200 may reduce the temperature of the exhaust gas received from the engine and recirculate back to the engine.
  • the EGR cooler 200 may include the housing 202 connected with respective tanks 204 to facilitate distribution of the exhaust gas to the housing 202 of the EGR cooler 200.
  • the housing 202 further may include a first fluid circuit 204A and a second fluid circuit 204B formed in such a way to enable heat exchange between exhaust gas flowing through the first fluid circuit 204A and coolant flowing through the second fluid circuit 204B.
  • the first fluid circuit 204A is formed by the heat exchange element 206 to receive the exhaust gas from the engine.
  • the exhaust gas may flow through the heat exchange element 206 in the first fluid circuit 204A.
  • the respective tanks 204 may include a first inlet and a first outlet to facilitate ingress and egress the exhaust gas to/from the tanks 204.
  • the second fluid circuit 204B may be formed around the heat exchange element 206 and adapted to receive a coolant to enable heat exchange between the exhaust gas flowing through the heat exchanger element 206 and the coolant flowing around the heat exchanger element 206.
  • the housing may further include a second inlet 208A and a second outlet 208B to provide the coolant and to receive the coolant from the housing 202 respectively.
  • the EGR cooler 200 may include other elements which are necessary to function and known to the person skilled in the art.
  • the housing 202 further includes lateral walls 210 provided with a middle portion 212, a first side portion 214A, and a second side portion 214B.
  • the middle portion 212 may be defined in center of the lateral walls 210 of the housing 202.
  • the first side portion 214A and the second side portion 214B are formed on adjacent side of the middle portion 212 defined on the housing 202.
  • the first side portion 214A is defined at right side with respect to the middle portion 212 and the second side portion 214B is defined at left side with respect to the middle portion 212.
  • the housing may include one or more first beads 216 and one or more second beads 218.
  • the one or more first beads 216 are straight beads, and the one or more second beads are curved beads.
  • the one or more first beads 216 are formed at the middle portion 212 of the housing 202.
  • the one or more second beads 218 are formed on the first side portion 214A and the second side portion 214B of the lateral walls 210 of the housing 202.
  • the one or more second beads 218 are formed along a longitudinal axis on the lateral walls 210 of the housing 202 and each of the beads extend along at least a portion of the width of the housing 202.
  • the first bead 216 and the one or more second beads 218 may be in form of grooves or protruded outwards.
  • stress is formed in the housing 202.
  • the stress acting on the housing 202 is reduced, which mitigate cracking in the housing 202 and enhance the fatigue life span of the EGR cooler 200.
  • the housing 202 is formed by connecting the lateral walls 210 with sidewalls 220, thereby forming corners in the housing 202.
  • corners of the housing 202 are formed by connecting the lateral walls 210 with the sidewall 220.
  • the lateral walls 210 are perpendicular to the sidewalls 220, so that the corners are formed in the housing 202.
  • the housing 202 further includes one or more corner beads 222, hereinafter referred to as corner bead, formed in the corner of the housing 202 to reduce stress acting at the corners of the housing 202, due to the pulsating pressure of exhaust gas entering into the housing 202.
  • the first bead 216, the second beads 218 and the corner bead 222 are engraved in the housing 202.
  • present invention is not limited to any particular method of configuring the beads on the housing.
  • Fig. 3A illustrates a perspective view of the housing 202 of the EGR cooler 200.
  • the one or more second beads 218, hereinafter referred as to second beads being curved in such a way that the second beads 218 are progressively curved.
  • the second beads 218 are curved in such a way that a second bead at a distal end with respect to the middle portion 212 is more curved as compared to the second bead at a proximal end with respect to the middle portion 212 of the housing 202.
  • the second beads 218 formed in the first side portion 214A and the second side portion 214B are concaved with respect to the first bead 216 provided in the middle portion 212 of the housing 202.
  • the second beads 218 formed in the first side portion 214A and the second side portion 214B may be convex with respect to the first bead 216 provided in the middle portion 212 of the housing 202.
  • the second beads 218 formed in the first side portion 214A of the housing 202 is convex with respect to the first bead 214 provided in the housing 202
  • the second beads 218 formed in the second side portion 218B of the housing 202 is concave with respect to the first bead 214 provided in the housing 202.
  • the second beads 218 formed in the first side portion 214A and the second side portion 214B may be "W" shaped beads.
  • a height of the first bead 216 and the second beads 218 is 53.8mm.
  • a distance between adjacent second beads 218 are in ascending with respect to the first bead 216.
  • a distance between adjacent second beads 218 that are formed proximal with respect to the first bead 216 is less as compared to a distance between adjacent second beads 218 formed distal with respect to the first bead 216.
  • the second beads 218 may include eight curved beads equally distributed in the first side portion 214A and the second side portion 214B of the lateral walls 210 of the housing 202.
  • a distance between an inner curve 302 and an outer curve 304 of the second beads 218 is 6.5mm, 8.8mm, 12.7mm and 13.5mm respectively from the second bead at the proximal end to the second bead at the distal end.
  • an inner radius of the inner curve 302 of the second beads 218 is 96mm, 37mm, 29mm and 24 mm respectively from the second bead at the proximal end to the second bead at the distal end of the housing 202.
  • an outer radius of the outer curve 304 of the second beads 218 is 110mm, 36.5mm, 29mm, and 26.5mm respectively from the second bead at the proximal end to the second bead at the distal end of the housing 202.
  • the first bead 216 being a straight bead having a width of 8.6mm.
  • the first bead 216, the second beads 218, and the corner bead 222 provided in the EGR cooler 200 may reduce the stress by 10% as compared to the conventional EGR cooler 100 having only straight beads as shown in Fig. 1A.
  • life of the EGR cooler 200 is increased by 22 times as compared to the conventional EGR cooler 100, due to reduced stress level in the housing 202.
  • the conventional EGR cooler 100 may experience stress of 139 Mpa when it is connected to the exhaust of the vehicle, whereas the proposed EGR cooler 200 may experience 126 Mpa when it is connected to the exhaust of the vehicle.
  • Fig. 3B illustrates a perspective view of a heat exchanger element amongst the plurality of heat exchange elements 206 disposed inside the EGR cooler 200 of Fig. 2A .
  • the plurality of heat exchanger elements 206 can be heat exchange tubes or plates stacked together.
  • the first fluid circuit 204A is formed in such a way that the exhaust gas passes through the plurality of heat exchange elements 206 to enable heat exchange between the exhaust gases flowing through the heat exchange elements 206 and coolant flowing around the plurality of heat exchange elements 206.
  • Fig. 4 illustrates a perspective view of the housing 202 of Fig. 2A , in accordance with another aspect of the invention.
  • the housing 202 may include the first bead 216 and the second bead 218 provided in the lateral walls 210 of the housing 202.
  • the EGR cooler 200 having the first bead 216 and the second beads 218 may reduce stress by 6% from the conventional EGR cooler 100 as shown in Fig. 1A.
  • the EGR cooler 200 may include the first bead 216 and the second beads 218.
  • the EGR cooler 200 having the first and second beads 216, 218 may experience stress of 131 MPa when it is connected to the exhaust of the vehicle, which is less than the stress acting on the conventional EGR cooler 100. As the stress experiencing in the EGR cooler 200 is reduced as compared to the conventional EGR cooler 100, cracking in the housing 202 is mitigated and the fatigue life span of the EGR cooler 200 is enhanced.
  • Fig. 5 illustrates another perspective view of the housing 202 of the EGR cooler 200 of Fig. 2A , in accordance with another aspect of the invention.
  • the housing 202 may include the corner bead 222 alone, provided on the corner of the housing 202.
  • the corner bead 222 is adapted to reduce stress acting on the housing 202 of the EGR cooler 200 by 4% from the conventional EGR cooler 100.
  • the EGR cooler 200 having the corner beads 222 may experience stress of 135 MPa when it is connected to the exhaust of the vehicle, which is less than of the stress acting on the conventional EGR cooler 100.
  • the stress experiencing in the EGR cooler 200 is reduced as compared to the conventional EGR cooler 100, cracking in the housing 202 is mitigated and the fatigue life span of the EGR cooler 200 is enhanced.

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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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (8)

  1. Abgasrückführungskühler (EGR-Kühler) (200), umfassend:
    ein Gehäuse (202), das laterale Wände (210) mit einem Mittelteil (212), einem ersten Seitenteil (214A) und einem zweiten Seitenteil (214B) umfasst, wobei der erste Seitenteil (214A) und der zweite Seitenteil (214B) auf einander gegenüberliegenden Seiten des Mittelteils (212) gebildet sind;
    wobei das Gehäuse (202) ferner Folgendes umfasst:
    einen ersten Fluidkreislauf (204A), der in dem Gehäuse (202) gebildet ist, um pulsierenden Abgasdruck aus einem Motor eines Fahrzeugs aufzunehmen;
    mindestens einen ersten Wulst (216), der am Mittelteil (212) des Gehäuses (202) gebildet ist; und
    mehrere gekrümmte Wülste (218), die am ersten Seitenteil (214A) und am zweiten Seitenteil (214B) der lateralen Wände (210) des Gehäuses (202) gebildet sind, wobei der mindestens eine erste Wulst (216) und die mehreren gekrümmten Wülste (218) entlang einer Längsachse an den lateralen Wänden (210) des Gehäuses (202) gebildet sind;
    dadurch gekennzeichnet, dass
    die mehreren gekrümmten Wülste (218) zunehmend durchgehend gekrümmte Wülste sind, die Wülste (218) der mehreren gekrümmten Wülste (218) so gekrümmt sind, dass ein Wulst der mehreren gekrümmten Wülste an einem distalen Ende bezüglich des Mittelteils (212) im Vergleich zu einem Wulst der mehreren gekrümmten Wülste an einem proximalen Ende bezüglich des Mittelteils (212) des Gehäuses (202) stärker gekrümmt ist.
  2. Abgasrückführungskühler (200) nach Anspruch 1, wobei die mehreren gekrümmten Wülste (218), die im ersten Seitenteil (A) und im zweiten Seitenteil (214B) gebildet sind, zu dem mindestens einen ersten Wulst (216), der im Mittelteil (212) des Gehäuses (202) vorgesehen ist, konkav sind.
  3. Abgasrückführungskühler (200) nach Anspruch 1, wobei die mehreren gekrümmten Wülste (218), die im ersten Seitenteil (214A) des Gehäuses gebildet sind, zu dem mindestens einen ersten Wulst (216), der im Mittelteil (212) des Gehäuses (202) vorgesehen ist, konvex sind, während die mehreren gekrümmten Wülste (218), die im zweiten Seitenteil (214B) des Gehäuses gebildet sind, zu dem mindestens einen Wulst (216), der im Mittelteil (212) des Gehäuses (202) vorgesehen ist, konkav sind.
  4. Abgasrückführungskühler (200) nach einem der vorhergehenden Ansprüche, wobei der mindestens eine erste Wulst (216) ein gerader Wulst ist.
  5. Abgasrückführungskühler (200) nach einem der vorhergehenden Ansprüche, wobei das Gehäuse (202) durch Verbinden der lateralen Wände (210) mit Seitenwänden (220), die senkrecht zu den lateralen Wänden (210) verlaufen, gebildet ist.
  6. Abgasrückführungskühler (200) nach dem vorhergehenden Anspruch, wobei das Gehäuse (202) ferner mindestens einen Eckwulst (222) umfasst, der an Ecken gebildet ist, an denen die lateralen Wände (210) mit den Seitenwänden (220) verbunden sind.
  7. Abgasrückführungskühler (200) nach einem der vorhergehenden Ansprüche, wobei der erste Fluidkreislauf (204A) durch mehrere Wärmeaustauschelemente (206) zur Aufnahme des pulsierenden Abgasdrucks von dem Motor des Fahrzeugs gebildet ist, wobei das Gehäuse (202) ferner einen zweiten Fluidkreislauf (204B) umfasst, der um die mehreren Wärmeaustauschelemente gebildet ist, um einen Wärmeaustausch zwischen dem pulsierenden Abgasdruck und einem im zweiten Fluidkreislauf (204B) fließenden Kühlmittel zu ermöglichen.
  8. Abgasrückführungskühler (200) nach Anspruch 1, wobei die mehreren gekrümmten Wülste (218) eines von "W"-förmigen Wülsten, konkav gekrümmten Wülsten und konvex gekrümmten Wülsten sind.
EP19179471.8A 2019-06-11 2019-06-11 Abgasrückführungskühler Active EP3751127B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19179471.8A EP3751127B1 (de) 2019-06-11 2019-06-11 Abgasrückführungskühler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19179471.8A EP3751127B1 (de) 2019-06-11 2019-06-11 Abgasrückführungskühler

Publications (2)

Publication Number Publication Date
EP3751127A1 EP3751127A1 (de) 2020-12-16
EP3751127B1 true EP3751127B1 (de) 2022-01-12

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1801407B1 (de) * 2004-09-28 2012-03-28 T.RAD Co., Ltd. Agr-kühler
DE102008028244B3 (de) * 2008-06-16 2009-11-05 Benteler Automobiltechnik Gmbh Abgaswärmetauscher
FR2985012B1 (fr) * 2011-12-22 2015-05-08 Valeo Sys Controle Moteur Sas Echangeur de chaleur a plaques empilees comprenant un collecteur.
DE112014001893T5 (de) * 2013-05-10 2016-01-07 Modine Manufacturing Company Abgaswärmetauscher und Verfahren
DE102016110772A1 (de) * 2015-08-10 2017-02-16 Hanon Systems Bauteilanordnung
EP3246647B1 (de) * 2016-05-19 2019-10-30 Borgwarner Emissions Systems Spain, S.L.U. Wärmetauschervorrichtung

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