Thermostatic device for automatic choke control

Details Thermostatic device for automatic choke control Thermostatic device for automatic choke control

1975-10-29

1978-01-17

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119F, 261 39B, F02M 110

Patent

active

040686361

ABSTRACT:
End portions of the choke valve shaft project outside the carburetor mixing passage duct. One end portion is connected with an actuator mechanism that is responsive to either engine speed or manifold pressure. The other projects into a cylindrical chamber on the carburetor body that houses a spirally coiled bimetal strip having its inner end connected with the shaft, its outer end engageable with circumferentially spaced abutments. The chamber is communicated with the crankcase breather and also with the mixing duct through a flapper valve, so that the bimetal is subjected to the temperature of vented crankcase vapors.

REFERENCES:
patent: 2245093 (1941-06-01), Meston
patent: 2381751 (1945-08-01), Hunt
patent: 2693791 (1954-11-01), Lechtenberg
patent: 3118433 (1964-01-01), Lechtenberg
patent: 3529585 (1970-09-01), Stoltman
patent: 3625492 (1971-12-01), Reichenbach
patent: 3877223 (1975-04-01), Layton

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