Retractable throttle stop

Details Retractable throttle stop Retractable throttle stop

1989-02-14

1990-08-14

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123365, 123377, F02D 902

Patent

active

049478141

ABSTRACT:
A throttle stop assembly for an internal combustion engine is provided to return the throttle shaft to an idle position from a full throttle position in the event a loose throttle level mounting bolt occurs. The throttle stop assembly is designed to for the throttle shaft stop element from the full throttle position to the idle position if the throttle lever mounting bolt assembly fails, thereby preventing the engine from continuing to run in an advanced throttle condition. The stop assembly of the present invention includes a spring-biased piston contained within a threaded, hollow shaft. The spring biased piston has no effect on throttle shaft position except when the normal throttle shaft operating system fails in which case the spring biased piston will cause the throttle shaft to return to its idle position.

REFERENCES:
patent: 3572304 (1971-03-01), Becker et al.
patent: 3704635 (1972-12-01), Eshelman
patent: 3760786 (1973-09-01), Marsh
patent: 4204510 (1980-05-01), Ritter et al.
patent: 4512306 (1985-04-01), Brasseur et al.

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