Actuator control system for an engine idling speed governor

Details Actuator control system for an engine idling speed governor Actuator control system for an engine idling speed governor

1981-12-23

1985-01-22

Chan, Eddie P.

Boots, shoes, and leggings

123339, 123352, G05D 1302, F02M 300, F02D 3100

Patent

active

044955790

ABSTRACT:
An actuator control system for an internal combustion engine idling speed governor mounted on a vehicle includes an actuator for actuating a throttle valve, an ignition switch for producing an ignition turning off signal, an engine speed signal generating circuit, an engine speed increasing signal generating circuit, an engine speed decreasing signal generating circuit, an actuator control circuit for operating the actuator in opposite direction in accordance with engine speed increasing and decreasing signals. A time lag signal generating circuit is provided to be responsive to said ignition turning off signal to generate a signal after a predetermined time. A logic gate is provided to be responsive to the ignition turning off signal for operating the actuator control circuit so as to close the throttle valve from the idling open position to the closed position. Another logic gate is provided to be responsive to the time lag signal for operating the actuator control circuit so as to open the throttle valve from the closed position to the idling open position.

REFERENCES:
patent: 3969614 (1976-07-01), Moyer
patent: 4163282 (1979-07-01), Yamada
patent: 4232372 (1980-11-01), Berent
patent: 4245599 (1981-01-01), DesLauriers
patent: 4312038 (1982-01-01), Imai et al.
patent: 4337512 (1982-06-01), Furuhashi
patent: 4354467 (1982-10-01), Noddings et al.
patent: 4392468 (1983-07-01), Kobashi et al.
patent: 4394739 (1983-07-01), Suzuki et al.
patent: 4402376 (1983-09-01), Hayashi et al.
patent: 4418666 (1983-12-01), Yamauchi et al.

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