Control mechanism for engine throttle and choke valves
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Apr 14, 1995
filing date -
Apr 15, 1994
priority date (Note) -
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Abstract
An engine control mechanism cooperates with both a manual choke operator and a manual throttle operator. The manual throttle operator actuates a throttle control mechanism and a timing advance mechanism. A lost motion connection interconnects the manual throttle operator and the throttle control mechanism. The manual choke operator actuates a choke control mechanism to close the choke valves associated with the engine charge formers. The manual choke also operates the timing advance mechanism and the throttle control mechanism to advance the spark timing and to slightly open the throttle valves beyond an idle position when the choke valves are closed. Operation of the throttle control mechanism via the manual choke operator, however, does not affect the manual throttle operator due to the lost motion connection between the throttle operator and the throttle control mechanism.
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