JPS61126024U - - Google Patents

Description

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

第１図は本考案に係る内燃機関の２次空気導入
装置を示す概略全体図、第２図は本考案の一実施
例を示すその全体構成図、第３図はその制御プロ
グラムを示すフローチヤートである。 １……エンジン回転数センサ、２……フユエル
カツト手段、３……２次空気供給手段、４……遮
断手段、５……フユエルカツト制御手段、６……
遮断制御手段。 Fig. 1 is a schematic overall diagram showing a secondary air introduction device for an internal combustion engine according to the present invention, Fig. 2 is an overall configuration diagram showing an embodiment of the present invention, and Fig. 3 is a flowchart showing its control program. It is. DESCRIPTION OF SYMBOLS 1...Engine speed sensor, 2...Fuel cut means, 3...Secondary air supply means, 4...Shutoff means, 5...Fuel cut control means, 6...
Shutdown control means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの回転数を検出するエンジン回転数セ
ンサと、エンジンへの燃料供給を遮断するフユエ
ルカツト手段と、排気通路へ２次空気を供給する
２次空気供給手段と、この２次空気の供給を遮断
する遮断手段と、所定の減速運転状態で所定の第
１エンジン回転数以上のとき燃料供給を遮断する
信号を前記フユエルカツト手段に出力するフユエ
ルカツト制御手段と、該第１エンジン回転数より
低い所定の第２エンジン回転数以下のとき２次空
気の供給を遮断する信号を前記遮断手段に出力す
る遮断制御手段と、を備えたことを特徴とする内
燃機関の２次空気供給装置。 An engine rotation speed sensor that detects the engine rotation speed, a fuel cut means that cuts off fuel supply to the engine, a secondary air supply means that supplies secondary air to the exhaust passage, and a system that cuts off the supply of the secondary air. a cutoff means, a fuel cut control means for outputting a signal to the fuel cut means to cut off the fuel supply when the engine speed is higher than a predetermined first engine speed in a predetermined deceleration operating state, and a second engine speed lower than the first engine speed. A secondary air supply device for an internal combustion engine, comprising a cutoff control means for outputting a signal to the cutoff means to cut off the supply of secondary air when the engine rotation speed is lower than the engine speed.