Method and apparatus for expediting the starting of an internal

Details Method and apparatus for expediting the starting of an internal Method and apparatus for expediting the starting of an internal

1982-03-18

1984-04-17

Lazarus, Ira S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123339, 123DIG11, F02M 110, F02M 1912

Patent

active

044428111

ABSTRACT:
Apparatus and method for expediting the starting of an internal combustion engine in which a vacuum-operated throttle actuator is controlled by a vacuum passage connected therewith and extending from an intake vacuum outlet located adjacent to the throttle valve. According to the invention, a second vacuum passage to the actuator communicates with the intake duct downstream of the throttle valve and a solenoid type switching valve is arranged between the two vacuum passages so that, when a warmed engine is restarted, the actuator is fed with vacuum through the second passage to actuate the throttle valve to a more open position than its normal idling position to yield a mixture of optimal air fuel ratio.

REFERENCES:
patent: 3741177 (1973-06-01), Schultz
patent: 3760785 (1973-09-01), Harrison et al.
patent: 3971356 (1976-07-01), Schlage
patent: 4128087 (1978-12-01), Hayashi et al.
patent: 4168681 (1979-09-01), Kawai et al.

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