F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/60
F02M 7/00 (2006.01) F02M 35/108 (2006.01) F02B 75/18 (2006.01)
Patent
CA 1090218
ABSTRACT OF THE DISCLOSURE Method for controlling intake gas in an internal combustion engine which includes main intake passage means leading to combustion chamber means through intake port means, auxiliary intake passage means connected with the main intake passage means adjacent to the intake port means through opening means directed toward the combustion chamber means, manually controlled throttle valve means provided in the auxiliary intake passage means, and control valve means pro- vided in the main intake passage means and adapted to be actuated between minimum and maximum opening positions in accordance with load on the engine, the method being character- ized by maintaining the minimum opening position of the control valve means throughout idling and light load operations of the engine and rapidly opening the control valve means when- ever engine load has been increased beyond a predetermined value to thereby move the control valve means to the maximum opening position at least under a heavy load engine operation.
316544
Matsumoto Hiromitsu
Sugiyama Keiichi
Swabey Ogilvy Renault
Yamaha Hatsudoki Kabushiki Kaisha
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