JPS6422843U - - Google Patents

Info

Publication number
JPS6422843U
JPS6422843U JP11669987U JP11669987U JPS6422843U JP S6422843 U JPS6422843 U JP S6422843U JP 11669987 U JP11669987 U JP 11669987U JP 11669987 U JP11669987 U JP 11669987U JP S6422843 U JPS6422843 U JP S6422843U
Authority
JP
Japan
Prior art keywords
temperature
exhaust gas
engine
secondary air
exhaust system
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.)
Pending
Application number
JP11669987U
Other languages
English (en)
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 filed Critical
Priority to JP11669987U priority Critical patent/JPS6422843U/ja
Publication of JPS6422843U publication Critical patent/JPS6422843U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)

Description

【図面の簡単な説明】
第１図は本考案の構成図、第２図は本考案の一
実施例を適用した内燃機関を示す断面図、第３図
は二次空気制御ルーチンを示すフローチヤート、
第４図はフイードバツク制御ルーチンを示すフロ
ーチヤート、第５図は冷却水温と二次空気供給制
御と空燃比のフイードバツク制御の関係を示す図
である。 ２２……燃料噴射弁、３３……三元触媒装置、
４１……二次空気供給管、４３……制御弁、６３
……水温センサ（温度センサ）、６４……Ｏ２セ
ンサ（空燃比センサ）。

Claims (1)

    【実用新案登録請求の範囲】
  1. 機関温度を検出する温度センサと、排気系に設
    けられた空燃比センサと、排気系に配設されて排
    気ガスを浄化する三元触媒と、機関温度が第１の
    温度の時、排気系に二次空気を供給する手段と、
    機関温度が上記第１の温度よりも高い第２の温度
    の時、排気ガスを論理空燃比にすべくフイードバ
    ツク制御する手段とを備え、上記二次空気供給手
    段は、機関温度が上記第１の温度から上昇して第
    ２の温度以上になつても、さらに一定時間二次空
    気の供給を継続させることを特徴とする内燃機関
    の排気浄化装置。
JP11669987U 1987-07-31 1987-07-31 Pending JPS6422843U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11669987U JPS6422843U (ja) 1987-07-31 1987-07-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11669987U JPS6422843U (ja) 1987-07-31 1987-07-31

Publications (1)

Publication Number Publication Date
JPS6422843U true JPS6422843U (ja) 1989-02-07

Family

ID=31359473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11669987U Pending JPS6422843U (ja) 1987-07-31 1987-07-31

Country Status (1)

Country Link
JP (1) JPS6422843U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002061244A1 (en) * 2001-01-29 2002-08-08 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control device of internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200612A (en) * 1981-06-04 1982-12-08 Fuji Heavy Ind Ltd Secondary air supply unit of internal combustion engine
JPS60261949A (ja) * 1984-06-08 1985-12-25 Nissan Motor Co Ltd 内燃機関の空燃比制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200612A (en) * 1981-06-04 1982-12-08 Fuji Heavy Ind Ltd Secondary air supply unit of internal combustion engine
JPS60261949A (ja) * 1984-06-08 1985-12-25 Nissan Motor Co Ltd 内燃機関の空燃比制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002061244A1 (en) * 2001-01-29 2002-08-08 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control device of internal combustion engine
US6751949B2 (en) 2001-01-29 2004-06-22 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control device of internal-combustion engine

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