Control device for carburetor

Details Control device for carburetor Control device for carburetor

1976-04-02

1979-02-13

Engle, Samuel W.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139E, F02D 1110, F02M 3900

Patent

active

041389751

ABSTRACT:
A control circuit for delivering control signals to interrupt admission of the fuel-air mixture in the low speed and idle circuit of the carburetor of an internal combustion engine. The control circuit is operated according to the engine operating conditions. The control signal is delivered in response to comparison of a signal whose level is representative of the amplitude of the variations, i.e., the absolute value of the variations in the duration of an engine cycle, with a substantially periodic signal to generate a pulse-shaped signal. The pulses have a relatively narrow width when the amplitude of the variations is great, and a larger width when the amplitude of the variations is smaller.

REFERENCES:
patent: 4029068 (1977-06-01), Jones et al.
patent: 4033314 (1977-07-01), Walton

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