EP1867864A3 - Vanne EGR à régulation de debit par fluide - Google Patents

Vanne EGR à régulation de debit par fluide Download PDF

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Publication number
EP1867864A3
EP1867864A3 EP07107834A EP07107834A EP1867864A3 EP 1867864 A3 EP1867864 A3 EP 1867864A3 EP 07107834 A EP07107834 A EP 07107834A EP 07107834 A EP07107834 A EP 07107834A EP 1867864 A3 EP1867864 A3 EP 1867864A3
Authority
EP
European Patent Office
Prior art keywords
fluid
egr valve
flow adjustment
pipe
motor vehicle
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Withdrawn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
EP07107834A
Other languages
German (de)
English (en)
Other versions
EP1867864A2 (fr
Inventor
Julien Plumet
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP1867864A2 publication Critical patent/EP1867864A2/fr
Publication of EP1867864A3 publication Critical patent/EP1867864A3/fr
Withdrawn legal-status Critical Current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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/59—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor
    • 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
    • F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
    • 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
    • F02M26/34—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with compressors, turbines or the like in the recirculation passage
    • 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
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F02M26/44—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which a main EGR passage is branched into multiple passages
    • 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
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities

Landscapes

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

Abstract

Le domaine technique de l'invention est celui des vannes EGR des moteurs de véhicule automobile.
Plus spécifiquement, l'invention se rapporte à dispositif de régulation (1) de la quantité de gaz à prélever au niveau du conduit d'échappement (2) d'un moteur (4) de véhicule automobile pour la mélanger aux gaz du conduit (3) d'admission dudit moteur, comprenant une canalisation (8) de liaison entre lesdits conduits (2,3).
La principale caractéristique technique du dispositif (1) selon l'invention est qu'il comporte un circuit (5) de fluide mis en communication avec ladite canalisation (8).
EP07107834A 2006-06-12 2007-05-09 Vanne EGR à régulation de debit par fluide Withdrawn EP1867864A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0652511A FR2902149A1 (fr) 2006-06-12 2006-06-12 Vanne egr a regulation de debit par fluide

Publications (2)

Publication Number Publication Date
EP1867864A2 EP1867864A2 (fr) 2007-12-19
EP1867864A3 true EP1867864A3 (fr) 2008-04-09

Family

ID=37649450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07107834A Withdrawn EP1867864A3 (fr) 2006-06-12 2007-05-09 Vanne EGR à régulation de debit par fluide

Country Status (2)

Country Link
EP (1) EP1867864A3 (fr)
FR (1) FR2902149A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157050A (en) * 1981-03-23 1982-09-28 Aisan Ind Co Ltd Exhaust gas recirculation system
JPS58220915A (ja) * 1982-06-16 1983-12-22 Mazda Motor Corp デイ−ゼルエンジンの排気浄化装置
JP2002285879A (ja) * 2001-03-26 2002-10-03 Isuzu Motors Ltd 過給機付きエンジンの排ガス還流装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157050A (en) * 1981-03-23 1982-09-28 Aisan Ind Co Ltd Exhaust gas recirculation system
JPS58220915A (ja) * 1982-06-16 1983-12-22 Mazda Motor Corp デイ−ゼルエンジンの排気浄化装置
JP2002285879A (ja) * 2001-03-26 2002-10-03 Isuzu Motors Ltd 過給機付きエンジンの排ガス還流装置

Also Published As

Publication number Publication date
EP1867864A2 (fr) 2007-12-19
FR2902149A1 (fr) 2007-12-14

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