Speed control apparatus for an internal combustion engine

Details Speed control apparatus for an internal combustion engine Speed control apparatus for an internal combustion engine

1976-10-14

1978-04-18

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123108, 123179G, 180105E, F02D 1110

Patent

active

040845591

ABSTRACT:
Speed control apparatus for an internal combustion engine comprises a throttle valve in an intake pipe of the engine, a throttle adjusting element for actuating the throttle valve, and a speed control regulator connected to the throttle adjusting element. The regulator produces a signal representative of the difference between the actual value and a desired value of engine speed and the throttle adjusting element actuates the throttle valve in dependence upon this signal when the engine is not idling. Means are provided for moving the throttle valve into its idling position when the voltage supplied to the speed control regulator is interrupted. In accordance with the invention (1) the throttle adjusting element is permanently mechanically coupled to the throttle valve; (2) switch means are provided which automatically interrupt the voltage supplied to the speed control regulator when the engine speed falls below a minimum value that lies below idling speed; and (3) a starting pulse switch is connected in parallel with the above-mentioned switch for supplying a voltage pulse to the speed control regulator determinative of the starting position of the throttle valve.

REFERENCES:
patent: 2883975 (1959-04-01), Spetner
patent: 2989644 (1961-06-01), Schultz
patent: 3249175 (1966-05-01), Baxter
patent: 3809034 (1974-05-01), Durichen
patent: 3948240 (1976-04-01), Hirosawa et al.

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