Device for controlling a choke valve in a carburetor

Details Device for controlling a choke valve in a carburetor Device for controlling a choke valve in a carburetor

1974-07-18

1977-08-30

Dority, Jr., Carroll B.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261 39E, F02D 1108

Patent

active

040447367

ABSTRACT:
In an automatic choke valve for an internal combustion engine the extent to which the choke valve is opened is controlled by a bimetal member located in a casing separate from the carburetor through which air is passed whose temperature is determined by the temperature of the engine. In addition, a heater unit is positioned in the casing for supplying heat to the bimetal member and the heater unit is controlled by switches operated by the engine temperature and by the atmospheric pressure around the engine.

REFERENCES:
patent: 3043286 (1962-07-01), Blomberg
patent: 3699937 (1972-10-01), DePetris
patent: 3752133 (1973-08-01), Irish et al.
patent: 3789813 (1974-02-01), Hunt
patent: 3800762 (1974-04-01), McCullough
patent: 3800767 (1974-04-01), Winkley
patent: 3831909 (1974-08-01), Freismuth
patent: 3905346 (1975-09-01), Freismuth et al.

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