Automatic choke

Details Automatic choke Automatic choke

1991-12-13

1993-03-16

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Valved

251305, 137855, F02M 114

Patent

active

051941864

ABSTRACT:
The starting of an i.c. engine usually takes place by carrying out the necessary number of starting attempts with the carburetor choked in order to obtain an ignition. After that, the choke valve (15,23,24) is opened and the engine can be started by making more starting attempts. Thus, the engine does not continue to run when the choke is on. In order to simplify the starting procedure of e.g. a chain saw, the carburetor can be provided with an elastic choke valve. The elastic valve makes the engine start even though the choke valve is closed as the choke valve will yield to the air stream (FIG. 1) and furnish fuel air mixture to the engine. With the engine running, the choke valve can then be opened.

REFERENCES:
patent: 1413371 (1922-04-01), Adler et al.
patent: 1968553 (1934-07-01), Heitger
patent: 2140734 (1938-12-01), Chandler
patent: 2372726 (1945-04-01), Langdon
patent: 3005523 (1961-10-01), May
patent: 3328011 (1967-06-01), Winkler et al.
patent: 4241704 (1980-12-01), Ishida
patent: 4540457 (1985-09-01), LaValley
patent: 4786031 (1988-11-01), Waldrop
The American Heritage Dictionary, Apr. 1982, p. 442.

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