Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
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
Bianchi Valerio
Scherenberg Dieter
Cox Ronald B.
Greigg Edwin E.
Robert & Bosch GmbH
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