Apparatus for controlling opening angle of throttle valve on com

Internal-combustion engines – Charge forming device – Auxiliary control of carburetor fuel metering

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123179G, F02M 110

Patent

active

045275270

ABSTRACT:
An apparatus is disclosed for controlling an opening angle or a position of a throttle valve on complete firing in an internal combustion engine until the said engine has shifted to a situation of warm-up after the said engine started and the complete firing thereof was sensed. The control apparatus is so constructed that the throttle valve is closed at high speed to a predetermined opening angle which has an intermediate value between a starting position and a warming-up position when complete firing of the engine is sensed, and thereafter the throttle valve is driven to close until it reaches the warming-up position at a relatively low speed.

REFERENCES:
patent: 4383506 (1983-05-01), Atago et al.

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