Carburetor cold enrichment system having automatic choke opener

Details Carburetor cold enrichment system having automatic choke opener Carburetor cold enrichment system having automatic choke opener

1975-09-30

1976-06-08

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261 52, 123119F, F02M 110

Patent

active

039623793

ABSTRACT:
A carburetor has a vacuum servo that actuates a rotatable cam member to automatically rotate the fast idle cam off its high cam step engagement with the throttle valve adjustable idle stop screw while at the same time opening the choke valve to both lean the mixture and reduce mixture volume, for better emission control than when manually controlled as in conventional constructions.

REFERENCES:
patent: 2815942 (1957-12-01), Olson
patent: 3263972 (1966-08-01), Braun et al.
patent: 3740040 (1973-06-01), Brown et al.
patent: 3834677 (1974-09-01), Hosho
patent: 3886241 (1975-05-01), Schubeck
patent: 3906911 (1975-09-01), Nakada et al.

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