EP0962646A4 - Exhaust gas recirculation control valve device - Google Patents

Exhaust gas recirculation control valve device

Info

Publication number
EP0962646A4
EP0962646A4 EP97909586A EP97909586A EP0962646A4 EP 0962646 A4 EP0962646 A4 EP 0962646A4 EP 97909586 A EP97909586 A EP 97909586A EP 97909586 A EP97909586 A EP 97909586A EP 0962646 A4 EP0962646 A4 EP 0962646A4
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
control valve
valve device
gas recirculation
recirculation control
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Withdrawn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
EP97909586A
Other languages
German (de)
French (fr)
Other versions
EP0962646A1 (en
Inventor
Eiji Numata
Toshihiko Miyake
Shinichi Kawasaki
Yasuhiko Kato
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 Electric Corp
Original Assignee
Mitsubishi Electric 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 Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0962646A1 publication Critical patent/EP0962646A1/en
Publication of EP0962646A4 publication Critical patent/EP0962646A4/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Withdrawn legal-status Critical Current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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • 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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • F02M26/68—Closing members; Valve seats; Flow 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)
EP97909586A 1997-10-22 1997-10-22 Exhaust gas recirculation control valve device Withdrawn EP0962646A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/003822 WO1999020886A1 (en) 1997-10-22 1997-10-22 Exhaust gas recirculation control valve device

Publications (2)

Publication Number Publication Date
EP0962646A1 EP0962646A1 (en) 1999-12-08
EP0962646A4 true EP0962646A4 (en) 2000-09-20

Family

ID=14181358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909586A Withdrawn EP0962646A4 (en) 1997-10-22 1997-10-22 Exhaust gas recirculation control valve device

Country Status (2)

Country Link
EP (1) EP0962646A4 (en)
WO (1) WO1999020886A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1130246A3 (en) * 2000-02-24 2002-08-28 Delphi Technologies, Inc. Pressure balancing metering subassembly for use with a modular egr valve
US6497225B1 (en) * 2000-02-24 2002-12-24 Delphi Technologies, Inc. EGR metering subassembly including a gas arrestor
DE10111391A1 (en) * 2001-03-09 2002-09-12 Pierburg Ag Mixing housing arrangement for an internal combustion engine
US9541035B2 (en) * 2014-12-05 2017-01-10 Denso International America, Inc. EGR device having slidable valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171689A (en) * 1977-01-29 1979-10-23 Robert Bosch Gmbh Device for the control of gas admissions into the induction manifold of an internal combustion engine
DE19519204A1 (en) * 1995-05-24 1996-12-05 Pierburg Ag Diesel engine exhaust return device
EP0753656A1 (en) * 1995-07-13 1997-01-15 Aisan Kogyo Kabushiki Kaisha Exhaust gas recirculation
WO1997032125A1 (en) * 1996-03-01 1997-09-04 Robert Bosch Gmbh Exhaust gas return valve
US6044827A (en) * 1997-06-18 2000-04-04 Daimlerchrysler Ag Exhaust gas recirculation arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585554U (en) * 1978-12-07 1980-06-12
JPS55116865U (en) * 1979-02-14 1980-08-18

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171689A (en) * 1977-01-29 1979-10-23 Robert Bosch Gmbh Device for the control of gas admissions into the induction manifold of an internal combustion engine
DE19519204A1 (en) * 1995-05-24 1996-12-05 Pierburg Ag Diesel engine exhaust return device
EP0753656A1 (en) * 1995-07-13 1997-01-15 Aisan Kogyo Kabushiki Kaisha Exhaust gas recirculation
WO1997032125A1 (en) * 1996-03-01 1997-09-04 Robert Bosch Gmbh Exhaust gas return valve
US6044827A (en) * 1997-06-18 2000-04-04 Daimlerchrysler Ag Exhaust gas recirculation arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9920886A1 *

Also Published As

Publication number Publication date
EP0962646A1 (en) 1999-12-08
WO1999020886A1 (en) 1999-04-29

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Legal Events

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