Automatic choke valve apparatus in an internal combustion engine

Details Automatic choke valve apparatus in an internal combustion engine Automatic choke valve apparatus in an internal combustion engine

1975-06-16

1977-03-15

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261 39E, 261 64R, 261 39R, F02M 110, F02D 1108, F02M 2304

Patent

active

040118444

ABSTRACT:
Automatic choke valve apparatus for an internal combustion engine in which the degree of opening of a choke valve is selectively controlled by a drive pulse motor drivingly coupled to the valve. A pulse circuit controls the pulse motor, and comprises a pulse generator which oscillates at a fixed frequency and produces an output pulse signal for operating the drive pulse motor, and a variable type flicker coupled to the output of the pulse generator for intermittently controlling the output pulse signal in accordance with engine temperature.

REFERENCES:
patent: 3401919 (1968-09-01), Seufert et al.
patent: 3534720 (1970-10-01), DuBois
patent: 3818881 (1974-06-01), Hosho
patent: 3948240 (1976-04-01), Hirosawa et al.

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