DE69618309T2 - Annular diffuser for exhaust gas recirculation for internal combustion engines - Google Patents

Annular diffuser for exhaust gas recirculation for internal combustion engines

Info

Publication number
DE69618309T2
DE69618309T2 DE69618309T DE69618309T DE69618309T2 DE 69618309 T2 DE69618309 T2 DE 69618309T2 DE 69618309 T DE69618309 T DE 69618309T DE 69618309 T DE69618309 T DE 69618309T DE 69618309 T2 DE69618309 T2 DE 69618309T2
Authority
DE
Germany
Prior art keywords
exhaust gas
internal combustion
combustion engines
gas recirculation
annular diffuser
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.)
Expired - Lifetime
Application number
DE69618309T
Other languages
German (de)
Other versions
DE69618309D1 (en
Inventor
Michael Pontoppidan
Pierre Semence
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.)
Volkswagen AG
Marelli France SAS
Original Assignee
Volkswagen AG
Magneti Marelli France 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9483506&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69618309(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Volkswagen AG, Magneti Marelli France SAS filed Critical Volkswagen AG
Publication of DE69618309D1 publication Critical patent/DE69618309D1/en
Application granted granted Critical
Publication of DE69618309T2 publication Critical patent/DE69618309T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10144—Connections of intake ducts to each other or to another device
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0872—Details of the fuel vapour pipes or conduits
    • 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
    • F02M26/18—Thermal insulation or heat protection
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02M26/31—Air-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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
DE69618309T 1995-10-13 1996-10-10 Annular diffuser for exhaust gas recirculation for internal combustion engines Expired - Lifetime DE69618309T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9512040A FR2739897B1 (en) 1995-10-13 1995-10-13 ANNULAR CARBIDE GAS RECYCLING DIFFUSER, FOR INTERNAL COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
DE69618309D1 DE69618309D1 (en) 2002-02-07
DE69618309T2 true DE69618309T2 (en) 2002-08-22

Family

ID=9483506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618309T Expired - Lifetime DE69618309T2 (en) 1995-10-13 1996-10-10 Annular diffuser for exhaust gas recirculation for internal combustion engines

Country Status (4)

Country Link
EP (1) EP0768462B1 (en)
DE (1) DE69618309T2 (en)
ES (1) ES2170842T3 (en)
FR (1) FR2739897B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201935A1 (en) * 2014-02-04 2015-08-20 Mahle International Gmbh Arrangement for exhaust gas recirculation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19809862A1 (en) * 1998-03-07 1999-09-09 Mann & Hummel Filter Exhaust gas recirculation device for an internal combustion engine
EP1276982A1 (en) * 2000-04-17 2003-01-22 Robert Bosch Gmbh Device for mixing and dosing gas flows in internal combustion engines
DE202013009087U1 (en) * 2013-10-15 2013-11-19 Motorenfabrik Hatz Gmbh & Co. Kg Mixing device for exhaust gas recirculation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139252U (en) * 1979-03-27 1980-10-04
GB2060765A (en) * 1979-08-24 1981-05-07 Chester R A Adding fluids in fuel-air mixture intake passages
DE3413419A1 (en) * 1983-04-11 1984-10-11 August, Paul, Dipl.-Ing. Dr.h.c., Barcelona Device for introducing additional gas flows into the intake port of a mixture-compressing internal combustion engine
DE3511094A1 (en) * 1985-03-27 1986-10-09 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Device for feeding an auxiliary gas flow into the intake port of a spark ignition engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201935A1 (en) * 2014-02-04 2015-08-20 Mahle International Gmbh Arrangement for exhaust gas recirculation

Also Published As

Publication number Publication date
DE69618309D1 (en) 2002-02-07
FR2739897A1 (en) 1997-04-18
FR2739897B1 (en) 1997-12-12
EP0768462A1 (en) 1997-04-16
ES2170842T3 (en) 2002-08-16
EP0768462B1 (en) 2002-01-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings