Internal-combustion engines – Igniters – Incandescent
Patent
1977-02-07
1979-09-11
Jordan, Charles T.
Internal-combustion engines
Igniters
Incandescent
F02D 104, F02D 106
Patent
active
041671694
ABSTRACT:
A fuel flow control system which, in response to the true mass of air entering the throttle body of an engine, provides a regulated flow of fuel to the throttle body, thereby delivering the optimum mass fuel-air ratio to the engine and maintaining idealized engine performance. The air flow rate drawn through the throttle body by the engine is monitored along with air temperature and pressure, and an electronic control circuit computes the true mass of air and the ideal fuel flow rate which will produce the optimum mass fuel-air ratio. The circuit generates a command signal to a novel fuel flow regulating assembly which adjusts the fuel flow in response to the command signal. The regulating assembly includes a control valve positionable in response to the command signal and a pressure differential mechanism movably responsive to the control valve position. A fuel flow metering valve in turn is positioned by the pressure differential mechanism. A fuel flowmeter is included to measure the actual fuel flow rate delivered to the throttle body and a feedback signal generated from the flowmeter to the control circuit further aids in accurately positioning the metering valve and thereby insures correct fuel delivery to the engine.
REFERENCES:
patent: 2902989 (1959-09-01), Groves
patent: 3319613 (1967-05-01), Begley et al.
patent: 3817225 (1974-06-01), Priegel
patent: 3908360 (1975-09-01), Meyer et al.
patent: 3935851 (1976-02-01), Wright et al.
patent: 3949714 (1976-04-01), Mitchell
ACF Industries Inc.
Casey Edward H.
Jordan Charles T.
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