JPS5824412U - Internal combustion engine exhaust purification device - Google Patents

Internal combustion engine exhaust purification device

Info

Publication number
JPS5824412U
JPS5824412U JP11903281U JP11903281U JPS5824412U JP S5824412 U JPS5824412 U JP S5824412U JP 11903281 U JP11903281 U JP 11903281U JP 11903281 U JP11903281 U JP 11903281U JP S5824412 U JPS5824412 U JP S5824412U
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
purification device
exhaust purification
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.)
Pending
Application number
JP11903281U
Other languages
Japanese (ja)
Inventor
佐藤　清幸
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP11903281U priority Critical patent/JPS5824412U/en
Publication of JPS5824412U publication Critical patent/JPS5824412U/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 the drawing]

図はこの考案の実施例を示す概略構成図である。 、　　３・・・排気マニホールド、５・・・排気管、６
・・・三元触媒、７・・・０□センサ、８・・・制御回
路、１１・・・ニュートラルスイッチ、１２−・・・二
次空気導入装置。The figure is a schematic configuration diagram showing an embodiment of this invention. , 3...exhaust manifold, 5...exhaust pipe, 6
... Three-way catalyst, 7... 0□ sensor, 8... Control circuit, 11... Neutral switch, 12-... Secondary air introduction device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 排気通路に三元触媒を備えると共に、この三元触媒上流
に位置して空燃比検出器を設け、この空燃比検出器から
の信号を入力する制御回路によって燃料供給量を常に理
論空燃比となるようにフィードバック制御するようにし
た内燃機関において、アイドル運転時を検出する手段と
、このアイドル運転検出時に空燃比を瀝い側に制御、す
る手段と、同じくアイドル運転検出時に、三元触媒上流
の排気通路に二次空気を導入する手段を設けたことを特
徴とする内燃機関の排気浄化装置。A three-way catalyst is provided in the exhaust passage, and an air-fuel ratio detector is provided upstream of the three-way catalyst, and a control circuit that inputs signals from the air-fuel ratio detector ensures that the fuel supply amount is always at the stoichiometric air-fuel ratio. In an internal combustion engine that performs feedback control as shown in FIG. An exhaust purification device for an internal combustion engine, characterized in that a means for introducing secondary air into an exhaust passage is provided.
JP11903281U 1981-08-11 1981-08-11 Internal combustion engine exhaust purification device Pending JPS5824412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11903281U JPS5824412U (en) 1981-08-11 1981-08-11 Internal combustion engine exhaust purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11903281U JPS5824412U (en) 1981-08-11 1981-08-11 Internal combustion engine exhaust purification device

Publications (1)

Publication Number Publication Date
JPS5824412U true JPS5824412U (en) 1983-02-16

Family

ID=29913121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11903281U Pending JPS5824412U (en) 1981-08-11 1981-08-11 Internal combustion engine exhaust purification device

Country Status (1)

Country Link
JP (1) JPS5824412U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5664115A (en) * 1979-10-30 1981-06-01 Daihatsu Motor Co Ltd Exhaust gas purifier for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5664115A (en) * 1979-10-30 1981-06-01 Daihatsu Motor Co Ltd Exhaust gas purifier for internal combustion engine

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