Dual diaphragm choke assembly

Details Dual diaphragm choke assembly Dual diaphragm choke assembly

1977-10-11

1979-03-13

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

123119F, F02M 110

Patent

active

041442920

ABSTRACT:
A carburetor is shown with a variably openable choke valve operatively connected through linkage means to a related choke valve control assembly having a thermostat, a first vacuum responsive diaphragm and a second vacuum responsive diaphragm; upon initial starting of a cold engine the first diaphragm is effective to move the choke valve to an initial cold engine qualifying position and after the engine attains a preselected temperature the second diaphragm is effective to move the choke valve to a second, more nearly fully opened, qualifying position.

REFERENCES:
patent: 2942596 (1960-06-01), Carlson
patent: 3262683 (1966-07-01), Ball et al.
patent: 3321194 (1967-05-01), Carlson
patent: 3622131 (1971-11-01), Keenon
patent: 3814390 (1974-06-01), Winkley
patent: 3834677 (1974-09-01), Hosho
patent: 3872847 (1975-03-01), Charron et al.
patent: 3934565 (1976-01-01), Matsumoto et al.
patent: 3962379 (1976-06-01), Freismuth et al.

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