F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/94
F02D 41/16 (2006.01) F02D 31/00 (2006.01) F02D 41/24 (2006.01)
Patent
CA 2021845
ABSTRACT An engine speed control apparatus capable of controlling the idling speed of an engine without entailing abnormal rise or fall of engine speed while the engine is in operation in an idling mode. An engine speed control apparatus comprises a switch means which assumes a predetermined state when the degree of opening of a throttle valve is in a range from a fully closed state to a predetermined value of opening, an idling mode detecting means which detects an idling mode of the engine on the basis of the operating conditions of the engine which include the output signal of the switch means, and a control means which controls the air intake rate of the engine in a feed-back control mode while the engine is operating in an idling mode so that the engine speed coincides with a target speed, wherein the idling mode detecting means detects the idling mode of the engine by detecting the throttle valve which is in a predetermined range of throttle opening narrower than said predetermined range from the fully closed state to the predetermine value.
Marks & Clerk
Mitsubishi Denki Kabushiki Kaisha
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