Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1980-01-14
1984-09-04
Anagnos, Larry N.
Internal-combustion engines
Charge forming device
Fuel injection system
123490, 307273, 307445, 307599, 307268, F02D 500
Patent
active
RE0316580
ABSTRACT:
A fuel injection system employing digital logic to generate injection command pulses of a time duration calculated to provide a precise quantity of fuel to meet presently existing, varying engine requirements is disclosed herein. The system employs a first or injector selection circuit operative to select an injector or injector group for injection and a second or adaptive delay circuit to generate an injection command. The circuits are electronically intercoupled to provide for substantially simultaneous application of the selection pulse and injection pulse to the proper injector group and to eliminate the need for a mechanical distributor arrangement to select the proper injector group. The time duration or delay signal is generated by a function generator producing an output as a known function of time with injection occurring during the time it takes for the output to reach a pre-determined, selected, threshold value. In order to compensate for varying supply voltages, the second circuit includes means for providing automatic voltage compensation.
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patent: 3456628 (1969-07-01), Bassot et al.
patent: 3483851 (1969-12-01), Reichardt
Anagnos Larry N.
Seitzman Markell
The Bendix Corporation
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