Intake device of an internal combustion engine

Details Intake device of an internal combustion engine Intake device of an internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

F

123/44

F02F 1/42 (2006.01) F02B 31/08 (2006.01)

Patent

CA 1198330

- 16 - AN INTAKE DEVICE OF AN INTERNAL COMBUSTION ENGINE ABSTRACT OF THE DISCLOSURE An engine comprising an intake port which has a sepa- rating wall projecting downwardly from the upper wall of the intake port. The separating wall defines a helical portion, an inlet passage portion tangentially connected to the helical portion, and a bypass passage interconnecting the inlet passage portion to the helical portion. A rotary valve is arranged in the bypass passage and actuated by a vacuum operated diaphragm apparatus. The rotary valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value.

408460

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