Carburetor having an electrically assisted choke valve

Details Carburetor having an electrically assisted choke valve Carburetor having an electrically assisted choke valve

1987-09-14

1988-09-06

Dolinar, Andrew M.

Internal-combustion engines

Starting device

For airplane

123438, F02M 110

Patent

active

047684780

ABSTRACT:
A carburetor for internal combustion engines has an automatic starting device comprising a choke valve based toward opening by the air flow and toward closure by a temperature responsive bimetallic spiral when cold. A device further comprises a stop member an electrically controlled movable stop member having at least one active position in which it permits complete closure of the choke valve and a rest position in which it prevents closing movement of the choke valve beyond a predetermined position, and means arranged to bring said stop member into said active position, responsive to closure of the ignition switch and for being inhibited if after a sequence of operation of the cold engine during a period greater than a first threshold value, then rest condition of the engine for a period less than a second predetermined value.

REFERENCES:
patent: 1319388 (1919-10-01), Hadley
patent: 2600368 (1952-06-01), Winkler
patent: 3248675 (1966-04-01), Furbacher
patent: 4003355 (1977-01-01), Kamezaki et al.
patent: 4463723 (1984-08-01), Tansuwan

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