JPS61149736U

JPS61149736U -

Info

Publication number: JPS61149736U
Application number: JP3307285U
Authority: JP
Priority date: 1985-03-08
Filing date: 1985-03-08
Publication date: 1986-09-16

Description

[Brief explanation of the drawing]

第１，２図は本考案の内燃機関の吸気制御装置
の一実施例を示す図であり、第１図は全体構成図
、第２図はその一部上面断面図である。２…燃焼室、４…主吸気通路、５…副吸気通路
、１０…開閉弁、２５…水温センサ（温度検出手
段）、２６…制御手段。 1 and 2 are diagrams showing an embodiment of an intake control device for an internal combustion engine according to the present invention, with FIG. 1 being an overall configuration diagram and FIG. 2 being a partial top sectional view thereof. 2...Combustion chamber, 4...Main intake passage, 5...Sub-intake passage, 10...Opening/closing valve, 25...Water temperature sensor (temperature detection means), 26...Control means.

Claims

[Scope of utility model registration request]

A main intake passage that introduces intake air into the combustion chamber of an internal combustion engine, a sub-intake passage arranged in parallel with the main intake passage, an on-off valve provided in the sub-intake passage that opens and closes the sub-intake passage, and An intake air control device for an internal combustion engine, comprising: a control means for controlling the opening and closing of an on-off valve based on an operating state; In this case, the on-off valve is fully closed in approximately low and medium load ranges, and in high load ranges, it is controlled to open and close according to the engine load condition, and when the engine temperature exceeds a predetermined temperature, the on-off valve is closed. An intake air control device for an internal combustion engine, which is fully closed only under load, and controls opening and closing according to the load condition of the engine during medium and high loads.