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Document Type and Number:
Japanese Patent JPH0236774
Kind Code:
B2
Abstract:
The sectional area of an air bypass passage which bypasses a throttle valve in an intake passage of an internal combustion engine is increased or decreased depending upon the difference between the actual rotational speed of the engine and the variable reference rotational speed. The variable reference rotational speed is additionally increased by an incremental value during the starting of the engine.

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JPS62174549DRIVING CIRCUIT FOR IDLE SPEED CONTROL VALVE OF INTERNAL-COMBUSTION ENGINE
JPH094495ENGINE SPEED CONTROL DEVICE
JP2002130031THROTTLE VALVE CONTROL DEVICE
Inventors:
MYAGI HIDEO
NAGASE MASAOMI
Application Number:
JP13301080A
Publication Date:
August 20, 1990
Filing Date:
September 26, 1980
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD
International Classes:
F02D41/16; F02D9/02; F02D31/00; F02D41/06; F02M3/07



 
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