JPS5965922U - Exhaust gas purification device - Google Patents

Exhaust gas purification device

Info

Publication number
JPS5965922U
JPS5965922U JP16101582U JP16101582U JPS5965922U JP S5965922 U JPS5965922 U JP S5965922U JP 16101582 U JP16101582 U JP 16101582U JP 16101582 U JP16101582 U JP 16101582U JP S5965922 U JPS5965922 U JP S5965922U
Authority
JP
Japan
Prior art keywords
exhaust gas
gas purification
air
purification device
exhaust
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
JP16101582U
Other languages
Japanese (ja)
Inventor
薫 宇野
房治 大村
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP16101582U priority Critical patent/JPS5965922U/en
Publication of JPS5965922U publication Critical patent/JPS5965922U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示し、一部を断面とじた概
略側面図、第２図ａ、　　ｂはエアブリード制御弁と二
次空気制御弁のフィードバック状態を示し、第２図ａは
アイドル運転時を示すグラフ、第２図すは高負荷運転時
を示すグラフである。 １０・・・エアブリード制御弁、１３・・・バキューム
スイッチ、１６・・・二次空気制御弁。Fig. 1 shows an embodiment of the present invention, and is a schematic side view with a part cut away; Figs. 2a and b show feedback states of the air bleed control valve and the secondary air control valve; Fig. 2a 2 is a graph showing idling operation, and FIG. 2 is a graph showing high load operation. 10...Air bleed control valve, 13...Vacuum switch, 16...Secondary air control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの吸気系に補助空気を導入するとともに排気系
に二次空気を供給して、排気ガス浄化用触媒に流入する
排気ガスの空燃比を制御する排気ガス浄化装置において
、エンジンが高負荷運転される時、吸気系の補助空気の
導入のフィードバック制御を停止し、排気系に供給され
る二次空気の量を変化させることにより排気ガスの空燃
比をフィードバック制御することを特徴とする排気ガス
浄化装置。An exhaust gas purification system that controls the air-fuel ratio of exhaust gas flowing into an exhaust gas purification catalyst by introducing auxiliary air into the engine's intake system and supplying secondary air to the exhaust system is used when the engine is operated under high load. Exhaust gas purification characterized by controlling the air-fuel ratio of exhaust gas through feedback control by stopping feedback control of the introduction of auxiliary air into the intake system and changing the amount of secondary air supplied to the exhaust system. Device.
JP16101582U 1982-10-26 1982-10-26 Exhaust gas purification device Pending JPS5965922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16101582U JPS5965922U (en) 1982-10-26 1982-10-26 Exhaust gas purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16101582U JPS5965922U (en) 1982-10-26 1982-10-26 Exhaust gas purification device

Publications (1)

Publication Number Publication Date
JPS5965922U true JPS5965922U (en) 1984-05-02

Family

ID=30353984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16101582U Pending JPS5965922U (en) 1982-10-26 1982-10-26 Exhaust gas purification device

Country Status (1)

Country Link
JP (1) JPS5965922U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51102726A (en) * 1975-03-07 1976-09-10 Nissan Motor KUNENPISEIGYOSOCHI
JPS51123428A (en) * 1975-04-21 1976-10-28 Nissan Motor Co Ltd Exhaust gas purifier
JPS5218534A (en) * 1975-08-05 1977-02-12 Nissan Motor Co Ltd Air fuel ration control system
JPS5285633A (en) * 1976-01-10 1977-07-16 Nissan Motor Co Ltd Internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51102726A (en) * 1975-03-07 1976-09-10 Nissan Motor KUNENPISEIGYOSOCHI
JPS51123428A (en) * 1975-04-21 1976-10-28 Nissan Motor Co Ltd Exhaust gas purifier
JPS5218534A (en) * 1975-08-05 1977-02-12 Nissan Motor Co Ltd Air fuel ration control system
JPS5285633A (en) * 1976-01-10 1977-07-16 Nissan Motor Co Ltd Internal combustion engine

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