EP1621755A3 - Clean low pressure exhaust gas recirculation - Google Patents

Clean low pressure exhaust gas recirculation Download PDF

Info

Publication number
EP1621755A3
EP1621755A3 EP05013558A EP05013558A EP1621755A3 EP 1621755 A3 EP1621755 A3 EP 1621755A3 EP 05013558 A EP05013558 A EP 05013558A EP 05013558 A EP05013558 A EP 05013558A EP 1621755 A3 EP1621755 A3 EP 1621755A3
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
low pressure
gas recirculation
pressure exhaust
clean low
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.)
Withdrawn
Application number
EP05013558A
Other languages
German (de)
French (fr)
Other versions
EP1621755A2 (en
Inventor
Hans-Jürgen Brüne
Gerhard Kemethofer
Franz Drexler
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1621755A2 publication Critical patent/EP1621755A2/en
Publication of EP1621755A3 publication Critical patent/EP1621755A3/en
Withdrawn legal-status Critical Current

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
    • F02M26/14—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
    • F02M26/02—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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—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
    • F02M26/02—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
    • F02M26/13—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
    • F02M26/16—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 with EGR valves located at or near the connection to the exhaust 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
    • F02M26/13—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
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers

Abstract

Die vorliegende Erfindung betrifft eine Verbrennungskraftmaschine, bei der Abgase entstehen, die teilweise in den Brennraum rückgeführt werden.The present invention relates to an internal combustion engine in which exhaust gases are formed, which are partially recycled to the combustion chamber.

EP05013558A 2004-07-28 2005-06-23 Clean low pressure exhaust gas recirculation Withdrawn EP1621755A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004036562A DE102004036562A1 (en) 2004-07-28 2004-07-28 Clean low pressure exhaust gas recirculation

Publications (2)

Publication Number Publication Date
EP1621755A2 EP1621755A2 (en) 2006-02-01
EP1621755A3 true EP1621755A3 (en) 2010-05-05

Family

ID=34975220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05013558A Withdrawn EP1621755A3 (en) 2004-07-28 2005-06-23 Clean low pressure exhaust gas recirculation

Country Status (2)

Country Link
EP (1) EP1621755A3 (en)
DE (1) DE102004036562A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055846B4 (en) * 2004-11-19 2016-12-15 Bayerische Motoren Werke Aktiengesellschaft Vehicle with turbo diesel engine and exhaust gas recirculation
EP1936175B1 (en) 2006-12-21 2012-11-07 Magneti Marelli S.p.A. An exhaust system for an internal combustion engine provided with an exhaust gas recirculation circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240239A1 (en) * 1992-12-01 1994-06-09 Wolfgang Schmitz Turbo-charged combustion engine with bypass valve serving intake air-cooler - allows cooling of recirculated combustion prods. or of fresh air for combustion purposes according to engine load.
EP1101908A2 (en) * 1999-11-17 2001-05-23 Volkswagen Aktiengesellschaft Device and method for reducing harmful components in the exhaust gas of an internal combustion engine, especially a Diesel-internal-combustion engine
EP1167709A1 (en) * 2000-06-21 2002-01-02 DaimlerChrysler AG Exhaust gas purification device and process for operating an exhaust gas purification device
EP1288473A2 (en) * 2001-09-04 2003-03-05 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device of an engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01159029A (en) * 1987-12-16 1989-06-22 Toyota Motor Corp Exhaust gas purification apparatus of diesel engines
DE4007516C2 (en) * 1990-03-09 1997-03-06 Kloeckner Humboldt Deutz Ag Diesel engine
DE19921974A1 (en) * 1999-05-12 2000-11-16 Volkswagen Ag Device for reducing pollutant components in IC engine exhaust gas comprises an exhaust gas line containing an oxidation catalyst, a particle filter and a nitrogen oxides storage catalyst
DE60131510T2 (en) * 2000-03-27 2008-10-23 Toyota Jidosha Kabushiki Kaisha, Toyota-shi EMISSION CONTROL DEVICE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240239A1 (en) * 1992-12-01 1994-06-09 Wolfgang Schmitz Turbo-charged combustion engine with bypass valve serving intake air-cooler - allows cooling of recirculated combustion prods. or of fresh air for combustion purposes according to engine load.
EP1101908A2 (en) * 1999-11-17 2001-05-23 Volkswagen Aktiengesellschaft Device and method for reducing harmful components in the exhaust gas of an internal combustion engine, especially a Diesel-internal-combustion engine
EP1167709A1 (en) * 2000-06-21 2002-01-02 DaimlerChrysler AG Exhaust gas purification device and process for operating an exhaust gas purification device
EP1288473A2 (en) * 2001-09-04 2003-03-05 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device of an engine

Also Published As

Publication number Publication date
DE102004036562A1 (en) 2006-03-23
EP1621755A2 (en) 2006-02-01

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