Carburetor fast idle cam mechanism

Details Carburetor fast idle cam mechanism Carburetor fast idle cam mechanism

1980-04-10

1981-05-05

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

F02M 306

Patent

active

042658381

ABSTRACT:
An automotive type carburetor has a fast idle cam mechanism that provides a dual path of operation that includes one ramp for engagement with the throttle valve stop screw for progressively closing the throttle valve as a function of temperature increases towards the normal operating level, and a second ramp engagable by the stop screw for automatically indexing the stop screw for an automatic return of the fast idle cam to a high cam step position upon a restart of a cold engine without necessitating any action on the part of the vehicle driver other than to render operable the vehicle ignition system.

REFERENCES:
patent: 2189219 (1940-02-01), Olson
patent: 3542346 (1970-11-01), Keenon
patent: 3920777 (1975-11-01), Harrison et al.
patent: 3962379 (1976-06-01), Freismuth et al.
patent: 4196156 (1980-04-01), Rogerson et al.

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