Thermostatic override switch for an automatic choke in an intern

Details Thermostatic override switch for an automatic choke in an intern Thermostatic override switch for an automatic choke in an intern

1997-01-07

1998-11-10

Dolinar, Andrew M.

Internal-combustion engines

Starting device

With fuel or intake air control

440 85, F02M 110

Patent

active

058328882

ABSTRACT:
An electrically powered automatic choke system for a turnkey outboard motor has a thermostatic override switch. The automatic choke feature is often not necessary, and sometimes not even desirable, when restarting the engine. The thermostatic override switch prevents the automatic choke from closing carburetor choke shutters when the ambient temperature near the engine under the cowl exceeds a choke deactivation temperature. A switch assembly is provided to retrofit engines on existing outboard motors.

REFERENCES:
patent: 2969785 (1961-01-01), Fuchs et al.
patent: 3783301 (1974-01-01), Nieukirk
patent: 4064823 (1977-12-01), Draxler
patent: 4285308 (1981-08-01), Hundertmark et al.
patent: 4349000 (1982-09-01), Staerzl
patent: 4429673 (1984-02-01), Staerzl
patent: 4509472 (1985-04-01), Slattery
patent: 4532903 (1985-08-01), Staerzl
patent: 4691680 (1987-09-01), Staerzl
patent: 4836506 (1989-06-01), Hundertmark
Mariner Outboards Service Manual 90-828631, 895, 2D-1, Brunswick Corporation, 1995, admitted prior art.

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