EP2194351A1 - Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion - Google Patents

Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion Download PDF

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Publication number
EP2194351A1
EP2194351A1 EP08291142A EP08291142A EP2194351A1 EP 2194351 A1 EP2194351 A1 EP 2194351A1 EP 08291142 A EP08291142 A EP 08291142A EP 08291142 A EP08291142 A EP 08291142A EP 2194351 A1 EP2194351 A1 EP 2194351A1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
gas cooler
filter
exhaust
cooler according
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.)
Granted
Application number
EP08291142A
Other languages
German (de)
English (en)
Other versions
EP2194351B1 (fr
Inventor
Hermann Knaus
Matthias Schuele
Christian Carl
Jérôme GENOIST
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Mahle Behr France Rouffach SAS
Original Assignee
Behr GmbH and Co KG
Behr France Rouffach 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.)
Filing date
Publication date
Application filed by Behr GmbH and Co KG, Behr France Rouffach SAS filed Critical Behr GmbH and Co KG
Priority to EP08291142A priority Critical patent/EP2194351B1/fr
Priority to AT08291142T priority patent/ATE556284T1/de
Priority to US12/591,669 priority patent/US20100132346A1/en
Publication of EP2194351A1 publication Critical patent/EP2194351A1/fr
Application granted granted Critical
Publication of EP2194351B1 publication Critical patent/EP2194351B1/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
    • 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
    • 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
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
    • 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
    • F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
    • 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

Definitions

  • the invention relates to an exhaust gas cooler for an internal combustion engine according to the preamble of claim 1.
  • Exhaust gas recirculation systems are known in which the exhaust gas is cooled in an exhaust gas cooler and subsequently supplied either downstream of a turbocharger (high pressure EGR) or upstream of a turbocharger (high pressure EGR) of the combustion air of the engine.
  • Exhaust gas recirculation systems are often used to reduce pollutants of diesel engines, which also provides a particulate filter of the exhaust gas is provided.
  • a particulate filter is regularly designed as a regenerative filter, whereby cleaning of the filter takes place by controlled combustion phases. In particular, in such phases but also due to design generally larger particles can be solved that endanger the turbocharger, for example, in the case of low-pressure EGR. It is therefore known to provide a downstream of the actual particulate filter and structurally separate filter member, which is not designed to be regenerative, but at least larger particles caught in a secure manner.
  • the cooling fluid is preferably a liquid coolant, for example a low-temperature cooling circuit and / or a cooling circuit of the internal combustion engine.
  • the filter member is disposed within the housing, wherein in particular the housing can be flowed through by the fluid. As a result, little space is needed. In particular, the filter member can be flowed around in a simple manner by the fluid and thus contribute to the cooling of the exhaust gas.
  • the exhaust gas cooler is flowed through by the exhaust gas at least once in one execution and in one return direction, wherein the filter member is provided in at least one of the two, execution or return direction.
  • Such an exhaust gas cooler may be designed, for example, as a U-flow cooler or as a Z-flow cooler, wherein the size remains compact in a longitudinal direction due to the deflection.
  • a particular single flow channel of the execution is formed as a tube member forming the filter member, wherein a plurality of flow channels of the return direction is formed as a bundle of exchanger tubes. In addition to the simple and compact design, this has the advantage that the filtering takes place through the filter member upstream of the exchanger tubes, so that they can not be blocked by larger particles.
  • the tube part and / or the bundle of exchanger tubes in end floor parts are added.
  • the same floor parts can each hold both the filter element and the exchanger tubes.
  • a deflection region for deflecting the flow direction of the exhaust gas is formed on an end face of the exhaust gas cooler.
  • the filter element can be designed simply and inexpensively as a tube part with a filter insert fixed therein.
  • the filter cartridge may be fixed by welding or brazing in the pipe member, for example.
  • a bypass line through which exhaust gas can flow is provided on the exhaust gas cooler, wherein the bypass line branches off, in particular, downstream of the filter element and upstream of a plurality of the flow channels.
  • the filter member is designed as non-regenerable in operation permanent filter.
  • the filter member can be designed for the entire life of the engine or as an exchangeable component or wearing part.
  • the exhaust gas cooler is designed to be arranged downstream of a particle filter.
  • the particulate filter assumes the task of a regenerable particulate matter filter and the filter member has primarily the task of a protective filter for larger particles that arise, for example, in a combustion phase of the particulate filter and can endanger a subsequent turbocharger.
  • an exhaust gas cooler according to the invention is generally designed to be arranged upstream of a turbocharger (low-pressure exhaust gas recirculation) for the same reason.
  • the exhaust gas cooler of the embodiment according to Fig. 1 to Fig. 3 comprises a housing 1, which is traversed by a cooling liquid in the manner of a water jacket (coolant connections not shown).
  • the cooling liquid may be connected to an engine cooling circuit or else to a separate low-temperature cooling circuit.
  • each is a diesel engine for a motor vehicle, in particular a passenger car.
  • the filter element 3 comprises a tube part 3a and a filter insert 3b defined therein by soldering or welding, which is approximately in the drawings 4 and FIG. 5 is shown schematically. Both the exchanger tubes 2 and the tube part 3 a of the filter element 3 are each fixed in the same perforated bottom part 4, for example by welding.
  • the exhaust gas cooler is designed as a U-flow cooler and has an inlet side, according to Fig. 1 a connection member 5 with a feed 5a and a Outlet 5b is screwed for the exhaust gas on the inlet-side bottom part 4.
  • a deflection region 6 is fixed on the bottom part there.
  • the exhaust gas thus flows through the exhaust gas cooler first in an execution through the filter member, is then deflected in the deflection region 6 by 180 ° and flows through the exhaust gas cooler in the return direction through the exchanger tubes.
  • the deflection region 6 is formed as a hollow chamber, into which also a bypass channel 7 opens.
  • a bypass channel 7 opens.
  • the exhaust gas cooler according to the present embodiments consists predominantly of corrosion-resistant steel. Depending on the exhaust gas temperature and design, at least some parts may also be made of aluminum or plastic (e.g., the water jacket 1).
  • the exhaust gas cooler is integrated in an overall system in which the exhaust gas recirculation is designed as a low-pressure feedback.
  • the exhaust gas cooler In the flow direction of the exhaust gas cooler upstream of a regenerable particulate filter and arranged downstream of the air side of an exhaust gas turbocharger.
  • the admixture of the exhaust gas to the combustion air of the engine takes place here before the compression by the turbocharger.
  • the filter member 3 is formed as a non-regenerable permanent filter, which is designed for the entire life of the vehicle.
  • a mesh size of the filter is designed so that only particles of a size that could endanger the turbocharger are filtered out.
  • Fig. 5 corresponds to the example except for the arrangement of the exchanger tubes Fig. 4 , In Fig. 5 are the two end-side bottom portions 4 and the cavity of the deflection 6 particularly clearly visible, with only one of the exchanger tubes 3 is shown for clarity.

Landscapes

  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Exhaust Gas After Treatment (AREA)
EP08291142A 2008-12-03 2008-12-03 Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion Not-in-force EP2194351B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08291142A EP2194351B1 (fr) 2008-12-03 2008-12-03 Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion
AT08291142T ATE556284T1 (de) 2008-12-03 2008-12-03 Abgaskühler mit integrierten partikelfilter für einen verbrennungsmotor
US12/591,669 US20100132346A1 (en) 2008-12-03 2009-11-27 Exhaust-gas cooler for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08291142A EP2194351B1 (fr) 2008-12-03 2008-12-03 Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion

Publications (2)

Publication Number Publication Date
EP2194351A1 true EP2194351A1 (fr) 2010-06-09
EP2194351B1 EP2194351B1 (fr) 2012-05-02

Family

ID=40602246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08291142A Not-in-force EP2194351B1 (fr) 2008-12-03 2008-12-03 Refroidisseur de gaz d'échappement avec un filtre intégré pour un moteur à combustion

Country Status (3)

Country Link
US (1) US20100132346A1 (fr)
EP (1) EP2194351B1 (fr)
AT (1) ATE556284T1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463490A1 (fr) * 2010-12-10 2012-06-13 Perkins Engines Company Limited Améliorations de ou liées à des refroidisseurs de gaz pour moteurs à combustion interne
WO2012126654A1 (fr) * 2011-03-22 2012-09-27 Pierburg Gmbh Module de recirculation des gaz d'échappement pour moteur à combustion interne
WO2013124431A1 (fr) 2012-02-22 2013-08-29 Valeo Termico, S.A. Echangeur thermique pour gaz, en particulier pour les gaz d'echappement d'un moteur
EP2667007A1 (fr) * 2009-07-10 2013-11-27 Behr GmbH & Co. KG Echangeur thermique, système de recyclage des gaz d'échappement et moteur à combustion interne
EP2781730A1 (fr) * 2013-03-19 2014-09-24 Borgwarner Inc. Dispositif compact pour gestion de gaz d'échappement dans un système EGR
WO2014198846A1 (fr) * 2013-06-14 2014-12-18 Behr Gmbh & Co. Kg Échangeur de chaleur
WO2015049603A2 (fr) 2013-09-10 2015-04-09 Valeo Térmico, S.A. Échangeur de chaleur pour des gaz, plus spécialement pour les gaz d'échappement d'un moteur
WO2017045977A1 (fr) * 2015-09-14 2017-03-23 Magna powertrain gmbh & co kg Dispositif de refroidissement
ES2618883A1 (es) * 2015-12-21 2017-06-22 Valeo Térmico, S. A. Conjunto de unidad de conducción de gases y filtro de partículas, método de fabricación del mismo e intercambiador de calor para gases, en especial de los gases de escape de un motor
US10415513B2 (en) 2015-05-26 2019-09-17 Tenneco Gmbh EGR system with particle filter and wastegate
US10458368B2 (en) 2014-12-17 2019-10-29 Tenneco Gmbh EGR system with particle filter for a gasoline engine

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009001782U1 (de) * 2009-02-12 2010-07-08 Mann+Hummel Gmbh Abgasansaugvorrichtung
US20150136369A1 (en) * 2012-06-08 2015-05-21 International Engine Intellectual Property Company Llc Egr cooler header casting
CN102900570B (zh) * 2012-09-20 2014-11-12 浙江银轮机械股份有限公司 一种u型egr冷却器
DE102013208436A1 (de) 2013-05-08 2014-11-13 MAHLE Behr GmbH & Co. KG Abgaskühler
US20160215735A1 (en) * 2013-09-11 2016-07-28 International Engine Intellectual Property Company, Llc Thermal screen for an egr cooler
DE102015108224A1 (de) 2014-12-17 2016-06-23 Tenneco Gmbh AGR-System mit Partikelfilter für Ottomotor
US10480460B2 (en) 2014-12-17 2019-11-19 Tenneco Gmbh EGR system with particle filter for a gasoline engine
DE102015108223B4 (de) 2015-05-26 2018-04-19 Tenneco Gmbh AGR-System mit Partikelfilter und Wastegate
EP3298257B1 (fr) 2015-05-26 2021-09-01 Tenneco GmbH Système egr avec un filtre à particules et une soupape de décharge
DE102016109247B4 (de) * 2016-05-19 2020-03-26 Benteler Automobiltechnik Gmbh Abgaswärmeübertrager
US10215135B2 (en) * 2016-07-22 2019-02-26 Ford Global Technologies, Llc System and methods for extracting water from exhaust gases for water injection
JP2021055856A (ja) * 2019-09-27 2021-04-08 株式会社ユタカ技研 熱交換器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136372A1 (fr) * 2005-06-24 2006-12-28 Behr Gmbh & Co. Kg Dispositif de recyclage et de refroidissement de gaz d'echappement conçu pour un moteur a combustion interne
DE102006038706A1 (de) * 2006-08-18 2008-02-21 Volkswagen Ag Brennkraftmaschine mit Niederdruck-Abgasrückführung
WO2008058734A1 (fr) * 2006-11-15 2008-05-22 Behr Gmbh & Co. Kg Échangeur de chaleur
DE102007025704A1 (de) * 2007-06-01 2008-12-04 Volkswagen Ag Brennkraftmaschine mit ND-EGR-Leitung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136372A1 (fr) * 2005-06-24 2006-12-28 Behr Gmbh & Co. Kg Dispositif de recyclage et de refroidissement de gaz d'echappement conçu pour un moteur a combustion interne
DE102006038706A1 (de) * 2006-08-18 2008-02-21 Volkswagen Ag Brennkraftmaschine mit Niederdruck-Abgasrückführung
WO2008058734A1 (fr) * 2006-11-15 2008-05-22 Behr Gmbh & Co. Kg Échangeur de chaleur
DE102007025704A1 (de) * 2007-06-01 2008-12-04 Volkswagen Ag Brennkraftmaschine mit ND-EGR-Leitung

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2667007A1 (fr) * 2009-07-10 2013-11-27 Behr GmbH & Co. KG Echangeur thermique, système de recyclage des gaz d'échappement et moteur à combustion interne
EP2273095B1 (fr) * 2009-07-10 2014-01-08 Behr GmbH & Co. KG Echangeur thermique, système de recyclage des gaz d'échappement et moteur à combustion interne
EP2463490A1 (fr) * 2010-12-10 2012-06-13 Perkins Engines Company Limited Améliorations de ou liées à des refroidisseurs de gaz pour moteurs à combustion interne
WO2012076307A1 (fr) * 2010-12-10 2012-06-14 Perkins Engines Company Limited Améliorations apportées à des refroidisseurs de gaz de moteurs à combustion interne ou se rapportant auxdits refroidisseurs de gaz
CN103261599A (zh) * 2010-12-10 2013-08-21 珀金斯发动机有限公司 用于内燃机的气体冷却器本身或与之有关的改进
CN103261599B (zh) * 2010-12-10 2015-12-16 珀金斯发动机有限公司 用于内燃机的气体冷却器本身或与之有关的改进
WO2012126654A1 (fr) * 2011-03-22 2012-09-27 Pierburg Gmbh Module de recirculation des gaz d'échappement pour moteur à combustion interne
US9341146B2 (en) 2011-03-22 2016-05-17 Pierburg Gmbh Exhaust-gas recirculation module for an internal combustion engine
WO2013124431A1 (fr) 2012-02-22 2013-08-29 Valeo Termico, S.A. Echangeur thermique pour gaz, en particulier pour les gaz d'echappement d'un moteur
EP2817503B1 (fr) 2012-02-22 2016-08-24 Valeo Termico S.A. Echangeur thermique pour gaz, en particulier pour les gaz d'echappement d'un moteur
WO2014147064A1 (fr) * 2013-03-19 2014-09-25 Borgwarner Inc. Dispositif compact pour le traitement de gaz d'échappement dans un système rge
CN105190009A (zh) * 2013-03-19 2015-12-23 西班牙博格华纳排放系统公司 用于egr系统中的排气管理的紧凑装置
US9759118B2 (en) 2013-03-19 2017-09-12 Borgwarner Emissions Systems Spain, S.L.U. Compact device for exhaust gas management in an EGR system
EP2781730A1 (fr) * 2013-03-19 2014-09-24 Borgwarner Inc. Dispositif compact pour gestion de gaz d'échappement dans un système EGR
CN105190009B (zh) * 2013-03-19 2018-09-07 西班牙博格华纳排放系统公司 用于egr系统中的排气管理的紧凑装置
WO2014198846A1 (fr) * 2013-06-14 2014-12-18 Behr Gmbh & Co. Kg Échangeur de chaleur
WO2015049603A2 (fr) 2013-09-10 2015-04-09 Valeo Térmico, S.A. Échangeur de chaleur pour des gaz, plus spécialement pour les gaz d'échappement d'un moteur
US10458368B2 (en) 2014-12-17 2019-10-29 Tenneco Gmbh EGR system with particle filter for a gasoline engine
US10415513B2 (en) 2015-05-26 2019-09-17 Tenneco Gmbh EGR system with particle filter and wastegate
WO2017045977A1 (fr) * 2015-09-14 2017-03-23 Magna powertrain gmbh & co kg Dispositif de refroidissement
ES2618883A1 (es) * 2015-12-21 2017-06-22 Valeo Térmico, S. A. Conjunto de unidad de conducción de gases y filtro de partículas, método de fabricación del mismo e intercambiador de calor para gases, en especial de los gases de escape de un motor

Also Published As

Publication number Publication date
EP2194351B1 (fr) 2012-05-02
ATE556284T1 (de) 2012-05-15
US20100132346A1 (en) 2010-06-03

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