Method and apparatus for adjusting fuel supply to an internal co

Details Method and apparatus for adjusting fuel supply to an internal co Method and apparatus for adjusting fuel supply to an internal co

1978-06-16

1981-01-06

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123325, F02B 300

Patent

active

042429919

ABSTRACT:
In order to enrich the fuel mixture fed to an internal combustion engine temporarily subsequent to engine braking, the invention proposes that engine braking is detected as the combination of a closed throttle and elevated engine speed. A detector for this condition supplies a signal to the fuel shut-off mechanism of a valve-control pulse generator. After engine braking, the counter is reset with the signal from the engine braking detector and counts engine-synchronous pulses. The counter contents are decoded and transformed into an analog signal which is used by the pulse generator for additional pulse extension to supply excess fuel to the engine for a limited period of time.

REFERENCES:
patent: 2868182 (1959-01-01), Cornelius
patent: 2993485 (1961-07-01), Cornelius
patent: 3690305 (1972-09-01), Shimada
patent: 3742920 (1973-07-01), Black

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