F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/38.1
F02D 41/30 (2006.01) F02D 35/00 (2006.01) F02D 41/24 (2006.01) F02B 75/02 (2006.01)
Patent
CA 2003293
ABSTRACT OF THE DISCLOSURE An air-fuel ratio control system for a two-cycle engine is disclosed, which includes a cylinder, a crank case serving also as a pressure chamber, a fuel injection unit including an injector and a pump, an engine speed detecting element for detecting the engine speed, and a throttle opening degree detecting element for detecting the opening degree of a throttle valve. The control system is constructed of a crank case temperature detecting element for detecting the temperature of the crank case; a first setting element for setting an increment correction coefficient for increasing a fuel injection quantity, in accordance with the temperature of the crank case detected by the crank case temperature detecting element; a second setting element for setting a basic fuel injection quantity in response to the engine speed and throttle opening degree detected by the engine speed and throttle opening degree detecting element; and a third setting element for setting a fuel injection quantity by correcting the basic fuel injection quantity set by the second setting element in accordance with the increment correction coefficient set by the first setting element.
Ishikawa Hideyuki
Suzuki Kazuo
Tachibana Fusao
Fuji Jukogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
LandOfFree
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