EP2322787A3 - Exhaust gas recirculation system - Google Patents

Exhaust gas recirculation system Download PDF

Info

Publication number
EP2322787A3
EP2322787A3 EP10190514.9A EP10190514A EP2322787A3 EP 2322787 A3 EP2322787 A3 EP 2322787A3 EP 10190514 A EP10190514 A EP 10190514A EP 2322787 A3 EP2322787 A3 EP 2322787A3
Authority
EP
European Patent Office
Prior art keywords
flow path
annular flow
exhaust gas
annular
induction passageway
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
EP10190514.9A
Other languages
German (de)
French (fr)
Other versions
EP2322787B1 (en
EP2322787A2 (en
Inventor
Yusuke Isobe
Kazuto Maehara
Hiroyuki Kimura
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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 Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of EP2322787A2 publication Critical patent/EP2322787A2/en
Publication of EP2322787A3 publication Critical patent/EP2322787A3/en
Application granted granted Critical
Publication of EP2322787B1 publication Critical patent/EP2322787B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
    • 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
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • 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
    • 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

Landscapes

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

Abstract

An exhaust gas recirculation system includes an induction passageway (23) through which fresh air flows and an annular flow path (62) extending in a circumferential direction of the induction passageway (23) and formed in an annular shape. The annular flow path (62) encompasses the induction passageway (23) therein. An inlet port (63) is formed between the induction passageway (23) and the annular flow path (62) and communicates the induction passageway with the annular flow path. An exhaust gas introduction flow path (80) is communicated with the annular flow path (62) and introduces the exhaust gases into the annular flow path (62) so that the exhaust gases flow in one direction of the circumferential direction. The annular flow path (62) has an inner face facing the inlet port (63), and the inner face has a width (w2) in a direction crossing the one direction. An upstream side of the width (w2) is shorter than a downstream side of the width (w2) with respect to a flow of the exhaust gasses which flows into the annular flow path (62) from the exhaust gas introduction flow path (80).
EP10190514.9A 2009-11-12 2010-11-09 Exhaust gas recirculation system Active EP2322787B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009259242A JP5152155B2 (en) 2009-11-12 2009-11-12 Exhaust gas recirculation device

Publications (3)

Publication Number Publication Date
EP2322787A2 EP2322787A2 (en) 2011-05-18
EP2322787A3 true EP2322787A3 (en) 2015-03-04
EP2322787B1 EP2322787B1 (en) 2018-09-05

Family

ID=43585695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10190514.9A Active EP2322787B1 (en) 2009-11-12 2010-11-09 Exhaust gas recirculation system

Country Status (3)

Country Link
EP (1) EP2322787B1 (en)
JP (1) JP5152155B2 (en)
CN (1) CN102062022B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5747483B2 (en) * 2010-11-16 2015-07-15 株式会社Ihi Low pressure loop EGR device
GB2535996B (en) * 2015-02-27 2019-12-11 Ford Global Tech Llc A low condensation LP EGR System
JP6464860B2 (en) * 2015-03-23 2019-02-06 株式会社デンソー Exhaust gas recirculation device
CN106150770A (en) * 2015-03-27 2016-11-23 北京汽车动力总成有限公司 A kind of gas recirculation system and automobile
JP6395785B2 (en) * 2016-09-30 2018-09-26 川崎重工業株式会社 Marine engine system
EP3623033A1 (en) * 2018-09-13 2020-03-18 Primetals Technologies Austria GmbH Device for removing dust from converter gas

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1077913A (en) * 1996-08-30 1998-03-24 Aisin Seiki Co Ltd Intake device for internal combustion engine
US5884612A (en) * 1996-05-22 1999-03-23 Nippon Soken, Inc. Gas ventilation system for internal combustion engine
WO1999043943A1 (en) * 1998-02-27 1999-09-02 Alliedsignal Inc. Mixing device for recirculated exhaust gas and fresh air charge
JP2002004961A (en) * 2000-06-27 2002-01-09 Toyota Motor Corp Gas mixture system
WO2006126963A1 (en) * 2005-05-24 2006-11-30 Scania Cv Ab (Publ) Apparatus for recirculation of exhaust gases in a combustion engine
EP1867865A2 (en) * 2006-06-13 2007-12-19 Honeywell International Inc. Exhaust Gas Recirculation Mixer
DE202007005986U1 (en) * 2007-04-24 2008-09-04 Mann+Hummel Gmbh Combustion air and exhaust gas arrangement of an internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03114564U (en) * 1990-03-12 1991-11-25
JPH05223016A (en) * 1992-02-13 1993-08-31 Toyota Motor Corp Exhaust gas recirculation device for internal combustion engine
JP3539246B2 (en) * 1998-11-27 2004-07-07 日産自動車株式会社 Exhaust gas recirculation system for internal combustion engine
JP3114564U (en) 2005-06-24 2005-10-27 合資会社ひまわり Nail driving depth adjuster for use with nailing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5884612A (en) * 1996-05-22 1999-03-23 Nippon Soken, Inc. Gas ventilation system for internal combustion engine
JPH1077913A (en) * 1996-08-30 1998-03-24 Aisin Seiki Co Ltd Intake device for internal combustion engine
WO1999043943A1 (en) * 1998-02-27 1999-09-02 Alliedsignal Inc. Mixing device for recirculated exhaust gas and fresh air charge
JP2002004961A (en) * 2000-06-27 2002-01-09 Toyota Motor Corp Gas mixture system
WO2006126963A1 (en) * 2005-05-24 2006-11-30 Scania Cv Ab (Publ) Apparatus for recirculation of exhaust gases in a combustion engine
EP1867865A2 (en) * 2006-06-13 2007-12-19 Honeywell International Inc. Exhaust Gas Recirculation Mixer
DE202007005986U1 (en) * 2007-04-24 2008-09-04 Mann+Hummel Gmbh Combustion air and exhaust gas arrangement of an internal combustion engine

Also Published As

Publication number Publication date
EP2322787B1 (en) 2018-09-05
CN102062022B (en) 2013-05-22
JP2011106292A (en) 2011-06-02
CN102062022A (en) 2011-05-18
JP5152155B2 (en) 2013-02-27
EP2322787A2 (en) 2011-05-18

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