Device for controlling engine RPM

Details Device for controlling engine RPM Device for controlling engine RPM

1985-02-22

1986-03-25

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Idle speed control

290 40A, F02D 1110

Patent

active

045776032

ABSTRACT:
An engine RPM control device has a load compensator responsive to the engine load status setting for adding a load compensation signal to the output from a control signal computing unit, thereby enabling an actuator to open or close a throttle valve. The engine RPM is controlled through a feedback loop. A load driver is actuated to drive the engine load a time interval after the engine load status setting has been detected by a load switch. Therefore, the engine load is energized or de-energized after the engine RPM has been changed to meet the engine load status setting. Any reduction or increase in the engine RPM due to the change of the engine load is thus held to a minimum.

REFERENCES:
patent: 4184083 (1980-01-01), Takeuchi
patent: 4438744 (1984-03-01), Hasegawa
patent: 4441471 (1984-04-01), Kratt
patent: 4467761 (1984-08-01), Hasegawa
patent: 4479472 (1984-10-01), Shimamura
patent: 4491108 (1985-01-01), Hasegawa

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