JPS6124524B2 - - Google Patents

Info

Publication number
JPS6124524B2
JPS6124524B2 JP52079474A JP7947477A JPS6124524B2 JP S6124524 B2 JPS6124524 B2 JP S6124524B2 JP 52079474 A JP52079474 A JP 52079474A JP 7947477 A JP7947477 A JP 7947477A JP S6124524 B2 JPS6124524 B2 JP S6124524B2
Authority
JP
Japan
Prior art keywords
negative pressure
valve
passage
air
secondary air
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
Application number
JP52079474A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5413818A (en
Inventor
Minoru Iwata
Takeshi Yasuda
Shoichi Hagiwara
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.)
Aisan Industry Co Ltd
Toyota Motor Corp
Original Assignee
Aisan Industry Co Ltd
Toyota Motor 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 Aisan Industry Co Ltd, Toyota Motor Corp filed Critical Aisan Industry Co Ltd
Priority to JP7947477A priority Critical patent/JPS5413818A/ja
Priority to US05/836,726 priority patent/US4158289A/en
Publication of JPS5413818A publication Critical patent/JPS5413818A/ja
Publication of JPS6124524B2 publication Critical patent/JPS6124524B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
JP7947477A 1977-07-05 1977-07-05 Electromagnetic changeover valve for internal combustion engine exhaust gas purifier Granted JPS5413818A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7947477A JPS5413818A (en) 1977-07-05 1977-07-05 Electromagnetic changeover valve for internal combustion engine exhaust gas purifier
US05/836,726 US4158289A (en) 1977-07-05 1977-09-26 Electromagnetic vacuum switching valve for use in an exhaust gas cleaning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7947477A JPS5413818A (en) 1977-07-05 1977-07-05 Electromagnetic changeover valve for internal combustion engine exhaust gas purifier

Publications (2)

Publication Number Publication Date
JPS5413818A JPS5413818A (en) 1979-02-01
JPS6124524B2 true JPS6124524B2 (en, 2012) 1986-06-11

Family

ID=13690879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7947477A Granted JPS5413818A (en) 1977-07-05 1977-07-05 Electromagnetic changeover valve for internal combustion engine exhaust gas purifier

Country Status (2)

Country Link
US (1) US4158289A (en, 2012)
JP (1) JPS5413818A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173626U (ja) * 1982-05-12 1983-11-19 トヨタ自動車株式会社 自動チエン清掃装置
JP2988200B2 (ja) * 1992-07-10 1999-12-06 トヨタ自動車株式会社 通電加熱式触媒における二次空気供給制御装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919843A (en) * 1972-12-12 1975-11-18 Renault Multifunction control valve
JPS5021122A (en, 2012) * 1973-06-27 1975-03-06

Also Published As

Publication number Publication date
US4158289A (en) 1979-06-19
JPS5413818A (en) 1979-02-01

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