EP1367253A1 - Wärmeaustauscher für ein EGR System mit integrierter Bypassleitung - Google Patents

Wärmeaustauscher für ein EGR System mit integrierter Bypassleitung Download PDF

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Publication number
EP1367253A1
EP1367253A1 EP03380127A EP03380127A EP1367253A1 EP 1367253 A1 EP1367253 A1 EP 1367253A1 EP 03380127 A EP03380127 A EP 03380127A EP 03380127 A EP03380127 A EP 03380127A EP 1367253 A1 EP1367253 A1 EP 1367253A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
pass duct
egr system
duct
pass
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
EP03380127A
Other languages
English (en)
French (fr)
Other versions
EP1367253B1 (de
EP1367253B2 (de
Inventor
Xoan Xosé Hermida Dominguez
Carlos Manuel Castano Gonzalez
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.)
BorgWarner Emissions Systems Spain SL
Original Assignee
Estampaciones Noroeste S A
Estampaciones Noroeste SA
Dayco Ensa SL
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
Family has litigation
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Application filed by Estampaciones Noroeste S A, Estampaciones Noroeste SA, Dayco Ensa SL filed Critical Estampaciones Noroeste S A
Publication of EP1367253A1 publication Critical patent/EP1367253A1/de
Publication of EP1367253B1 publication Critical patent/EP1367253B1/de
Application granted granted Critical
Publication of EP1367253B2 publication Critical patent/EP1367253B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F28D7/163—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 with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • 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
    • 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
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • 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
    • 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 present invention refers to a heat exchanger for an exhaust gas recirculation system (EGR) of an internal combustion engine, and more specifically, a heat exchanger with an integrated by-pass duct.
  • EGR exhaust gas recirculation system
  • the object of the present invention is to provide a heat exchanger as an integral element of an EGR system for recirculated exhaust gases of an internal combustion engine with an integrated by-pass duct through which the exhaust gases can recirculate during the engine starting and/or in low temperature or load conditions.
  • the problem the present invention proposes to solve is to provide a heat exchanger for recycled exhaust gases including, in a single unit, both the refrigeration chamber for cooling the gases as well as a by-pass duct through which the gases must circulate when their cooling is not necessary, and that this unit be easily integrated in the engine.
  • a flange On the gas intake side of the casing and as a coupling means to the EGR system gas intake device, a flange is arranged with a housing for the refrigerating tubes of the refrigeration chamber and another housing for the by-pass duct, a separation area existing between said housings.
  • the shape of these housings is related to both the desired distribution of the areas intended for the refrigeration chamber and the by-pass duct as well as the shape of the latter.
  • Said coupling flange to the gas intake device would be welded to the corresponding casing cap.
  • part of the exhaust gases from the engine go to the exterior through the exhaust pipe and another part is recirculated.
  • the amount to be recirculated is controlled by the EGR valve that, in determined circumstances can even be closed and not recirculate anything, for example in a maximum power situation.
  • the recirculated gases mix with the clean air and return to the engine through the intake manifold.
  • the present invention provides a heat exchanger with the integrated by-pass duct.
  • FIGS 1 to 5 show a heat exchanger 1 for exhaust gases according to the present invention formed by a cylindrical casing 2 housing a refrigeration chamber 3 inside constituted of a set of interconnected tubes 4, commonly known in the art, through which a refrigerating liquid circulates entering through the duct 5 and exiting through the duct 7 and a duct 9 acting as a by-pass duct so that those exhaust gases not to be cooled can pass through it.
  • a refrigerating liquid circulates entering through the duct 5 and exiting through the duct 7 and a duct 9 acting as a by-pass duct so that those exhaust gases not to be cooled can pass through it.
  • the casing 2 is closed with caps 11 and 13 on both sides, serving as fixing means of the tubes 4 and of the by-pass duct 9. These caps envelope the edges of the casing 2, which aids in the assembly process of the tubes 4 and the welding process.
  • a suitable valve (not shown), actuated by the corresponding control means, drive the exhaust gases towards the refrigeration chamber 3 or towards the by-pass duct 9.
  • Coupling the heat exchanger to the gas intake manifold of the engine is carried out by using conventional means such as the flange 16, which can be the same as the flange 15 for economic or process reasons, or other known means in the art such as a re-driving cone plus a flange or a re-driving cone and a ring.
  • conventional means such as the flange 16, which can be the same as the flange 15 for economic or process reasons, or other known means in the art such as a re-driving cone plus a flange or a re-driving cone and a ring.
  • the flange 15 housing 21 and 22 dimensions are closely related to the areas dedicated to the refrigeration chamber 3 and to the by-pass duct 9.
  • the presence of a separation area 23 of the housings 21 and 22 can also be seen in the flange 15, in relation with the available space between the refrigerating tubes 4 and the by-pass duct, it is useful as a closing means in combination with said valve.
  • the first housing 21 has a circular segment shape of a surface somewhat larger than a semicircle of the casing 2, and the second housing 22 also has a circular segment shape although with rounded vertices.
  • the separation area 23 is located between both housings, with its central span delimited by straight lines. Twelve tubes 4 are located in the first housing 21, and the oval-shaped by-pass duct 9 is located in the housing 22.
  • Figures 6 and 7 show flanges 18 and 19 in which the two housings 21 and 22 have a circular segment shape.
  • the by-pass duct 9 has a semicircular shape, and in the second it has an oval shape. It could also have a circular shape and in each case there would be a different degree of use of the space delimited by the housing 22.
  • the dimensioning of the housings 21 and 22, the refrigeration area using one or another number and type of refrigerating tubes 4, and the by-pass duct 9 will depend on the functional needs of each case.
  • the circular shape will be chosen for the by-pass duct 9 if a better relationship is desired between the passing area and the exchange surface to minimize the heat exchange
  • a circular segment shape of Figure 6 will be chosen if the intention is to take maximum advantage of the surface delimited by the housing 22 to minimize the load losses
  • the oval shape of Figure 7 will be chosen if the intention is to have an intermediate option between the previous ones.
  • the refrigeration chamber 3 will be permanently active since the circulation of the refrigerating liquid through the tubes 4 will form part of the general cooling circuit of the engine. Subsequently, the possibility of using double-walled by-pass ducts 9 with an intermediate air chamber is considered in order to ensure that the cooling of the gases circulating through it do not exceed a predetermined value.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
EP03380127A 2002-05-28 2003-05-28 Wärmeaustauscher für ein EGR System mit integrierter Bypassleitung Expired - Lifetime EP1367253B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200201218A ES2209618B1 (es) 2002-05-28 2002-05-28 Intercambiador de calor para un sistema "egr" con un conducto de derivacion integrado.
ES200201218 2002-05-28

Publications (3)

Publication Number Publication Date
EP1367253A1 true EP1367253A1 (de) 2003-12-03
EP1367253B1 EP1367253B1 (de) 2006-07-12
EP1367253B2 EP1367253B2 (de) 2010-06-16

Family

ID=29414913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03380127A Expired - Lifetime EP1367253B2 (de) 2002-05-28 2003-05-28 Wärmeaustauscher für ein EGR System mit integrierter Bypassleitung

Country Status (4)

Country Link
EP (1) EP1367253B2 (de)
AT (1) ATE333046T1 (de)
DE (1) DE60306717T3 (de)
ES (2) ES2209618B1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005111385A2 (de) * 2004-05-07 2005-11-24 Behr Gmbh & Co. Kg Wärmetauscher für verbrennungsmotoren
DE102005040612A1 (de) * 2005-08-27 2007-03-01 Behr Gmbh & Co. Kg Abgaswärmeübertrager
WO2007060172A1 (en) * 2005-11-22 2007-05-31 Dayco Ensa, S.L. Three-pass heat exchanger for an egr system
WO2008003486A1 (de) * 2006-07-06 2008-01-10 Behr Gmbh & Co. Kg Abgaskühler, insbesondere für ein kraftfahrzeug
ES2321783A1 (es) * 2006-09-21 2009-06-10 Valeo Termico, S.A. Intercambiador de calor para gases, en especial de los gases de escape de un motor.
EP2295921A2 (de) * 2009-07-30 2011-03-16 Behr GmbH & Co. KG Wärmetauscher mit Dichtfläche und Spannfläche aufweisenden Anschlussabschnitt
CN101013008B (zh) * 2006-02-03 2011-05-11 株式会社电装 热交换器
WO2012143462A3 (de) * 2011-04-20 2013-09-12 Behr Gmbh & Co. Kg Abgaskühler zum kühlen von verbrennungsabgas einer verbrennungskraftmaschine, wassersammeladapter, abgaskühlsystem und verfahren zum herstellen eines abgaskühlsystems
EP2743488A1 (de) * 2012-12-11 2014-06-18 BorgWarner Inc. Eingebaute Abgasverwaltungsvorrichtung
JP2015025604A (ja) * 2013-07-25 2015-02-05 株式会社ユタカ技研 熱交換器及び熱交換デバイス
CN104500282A (zh) * 2014-12-15 2015-04-08 无锡隆盛科技股份有限公司 可变冷却效率的egr冷却器
EP2944913A1 (de) * 2014-05-16 2015-11-18 Borgwarner Emissions Systems Spain, S.L.U. Wärmaustauschvorrichtung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4775287B2 (ja) * 2006-10-18 2011-09-21 株式会社デンソー 熱交換器
SE537803C2 (sv) 2011-09-30 2015-10-20 Scania Cv Ab EGR-kylare samt förbränningsmotor med en sådan EGR-kylare
CN113335019B (zh) * 2021-06-15 2022-09-30 东风汽车集团股份有限公司 汽车热管理系统集成换热器

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DE914450C (de) * 1943-01-14 1954-07-01 Hans Windhoff App Und Maschine Vorrichtung zum Kuehlen der Auspuffgase von Brennkraftmaschinen, insbesondere fuer Motorlokomotiven
US4147141A (en) 1977-07-22 1979-04-03 Toyota Jidosha Kogyo Kabushiki Kaisha Exhaust gas recirculation system in an internal combustion engine
EP0356648A1 (de) * 1988-08-18 1990-03-07 Deutsche Babcock- Borsig Aktiengesellschaft Wärmetauscher
US5203311A (en) 1990-11-06 1993-04-20 Mazda Motor Corporation Exhaust gas recirculation system for an internal combustion engine
DE4430648A1 (de) * 1994-08-29 1996-03-07 Flucorrex Ag Flawil Verfahren zum Regeln der Austrittstemperatur eines zu erwärmenden Mediums auf einen vorbestimmten Temperaturwert in einem Rekuperator, Rekuperator und Verwendung eines derartigen Rekuperators
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WO2002010574A1 (en) 2000-07-28 2002-02-07 Serck Heat Transfer Limited Exhaust gas cooler with bypass tube and exhaust gas recirculation valve

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US4147141A (en) 1977-07-22 1979-04-03 Toyota Jidosha Kogyo Kabushiki Kaisha Exhaust gas recirculation system in an internal combustion engine
EP0356648A1 (de) * 1988-08-18 1990-03-07 Deutsche Babcock- Borsig Aktiengesellschaft Wärmetauscher
US5203311A (en) 1990-11-06 1993-04-20 Mazda Motor Corporation Exhaust gas recirculation system for an internal combustion engine
DE4430648A1 (de) * 1994-08-29 1996-03-07 Flucorrex Ag Flawil Verfahren zum Regeln der Austrittstemperatur eines zu erwärmenden Mediums auf einen vorbestimmten Temperaturwert in einem Rekuperator, Rekuperator und Verwendung eines derartigen Rekuperators
US5617726A (en) 1995-03-31 1997-04-08 Cummins Engine Company, Inc. Cooled exhaust gas recirculation system with load and ambient bypasses
JP2000291455A (ja) * 1999-04-05 2000-10-17 Isuzu Ceramics Res Inst Co Ltd Ｅｇｒ用排気ガス冷却装置を備えたガスエンジン
WO2002010574A1 (en) 2000-07-28 2002-02-07 Serck Heat Transfer Limited Exhaust gas cooler with bypass tube and exhaust gas recirculation valve

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005111385A3 (de) * 2004-05-07 2007-09-07 Behr Gmbh & Co Kg Wärmetauscher für verbrennungsmotoren
WO2005111385A2 (de) * 2004-05-07 2005-11-24 Behr Gmbh & Co. Kg Wärmetauscher für verbrennungsmotoren
US8118082B2 (en) 2004-05-07 2012-02-21 Behr Gmbh & Co. Kg Heat exchanger in particular for exhaust coolers on internal combustion engines
DE102005040612A1 (de) * 2005-08-27 2007-03-01 Behr Gmbh & Co. Kg Abgaswärmeübertrager
US7721792B2 (en) 2005-08-27 2010-05-25 Behr Gmbh & Co. Kg Exhaust gas heat exchanger
WO2007060172A1 (en) * 2005-11-22 2007-05-31 Dayco Ensa, S.L. Three-pass heat exchanger for an egr system
EP2025913A1 (de) * 2005-11-22 2009-02-18 Dayco Ensa, S.L. Dreizug-Wärmetauscher für ein AGR-System
ES2322728A1 (es) * 2005-11-22 2009-06-25 Dayco Ensa, S.L. Intercambiador de calor de tres pasos para un sistema "egr".
US7931013B2 (en) 2005-11-22 2011-04-26 Dayco Ensa, S.L. Three-pass heat exchanger for an EGR system
CN101013008B (zh) * 2006-02-03 2011-05-11 株式会社电装 热交换器
WO2008003486A1 (de) * 2006-07-06 2008-01-10 Behr Gmbh & Co. Kg Abgaskühler, insbesondere für ein kraftfahrzeug
ES2321783A1 (es) * 2006-09-21 2009-06-10 Valeo Termico, S.A. Intercambiador de calor para gases, en especial de los gases de escape de un motor.
EP2295921A2 (de) * 2009-07-30 2011-03-16 Behr GmbH & Co. KG Wärmetauscher mit Dichtfläche und Spannfläche aufweisenden Anschlussabschnitt
EP2295921A3 (de) * 2009-07-30 2015-02-25 Behr GmbH & Co. KG Wärmetauscher mit Dichtfläche und Spannfläche aufweisenden Anschlussabschnitt
EP2295921B1 (de) 2009-07-30 2019-01-16 MAHLE Behr GmbH & Co. KG Wärmetauscher mit Dichtfläche und Spannfläche aufweisenden Anschlussabschnitt
WO2012143462A3 (de) * 2011-04-20 2013-09-12 Behr Gmbh & Co. Kg Abgaskühler zum kühlen von verbrennungsabgas einer verbrennungskraftmaschine, wassersammeladapter, abgaskühlsystem und verfahren zum herstellen eines abgaskühlsystems
US9169756B2 (en) 2011-04-20 2015-10-27 Mahle International Gmbh Exhaust gas cooler for cooling combustion exhaust gas of an internal combustion engine, water collecting adapter, exhaust gas cooling system and method for manufacturing an exhaust gas cooling system
EP2743488A1 (de) * 2012-12-11 2014-06-18 BorgWarner Inc. Eingebaute Abgasverwaltungsvorrichtung
WO2014090792A1 (en) * 2012-12-11 2014-06-19 Borgwarner Inc. Built-in exhaust gas management device
JP2015025604A (ja) * 2013-07-25 2015-02-05 株式会社ユタカ技研 熱交換器及び熱交換デバイス
EP2944913A1 (de) * 2014-05-16 2015-11-18 Borgwarner Emissions Systems Spain, S.L.U. Wärmaustauschvorrichtung
US20150330712A1 (en) * 2014-05-16 2015-11-19 Borgwarner Emissions Systems Spain, S.L.U. Device for heat exchange
CN105089860A (zh) * 2014-05-16 2015-11-25 西班牙博格华纳排放系统公司 用于热交换的装置
CN104500282A (zh) * 2014-12-15 2015-04-08 无锡隆盛科技股份有限公司 可变冷却效率的egr冷却器

Also Published As

Publication number Publication date
ATE333046T1 (de) 2006-08-15
DE60306717D1 (de) 2006-08-24
DE60306717T3 (de) 2011-01-05
EP1367253B1 (de) 2006-07-12
ES2268306T5 (es) 2010-10-27
DE60306717T2 (de) 2007-08-02
EP1367253B2 (de) 2010-06-16
ES2209618A1 (es) 2004-06-16
ES2268306T3 (es) 2007-03-16
ES2209618B1 (es) 2005-08-16

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