Control computer for fuel injection system

Details Control computer for fuel injection system Control computer for fuel injection system

1975-11-06

1977-11-15

Gruber, Felix D.

Boots, shoes, and leggings

123 32EA, F02M 5100, G06G 766

Patent

active

040587096

ABSTRACT:
A fuel injection system for multi cylinder engine employs a plurality of separate computing circuits for generating variable width control pulses to fuel injectors. Each channel actuates at least one fuel injector during more than 50% of an engine cycle. To derive the start times for these four pulses, a counter is advanced in timed relation to the operation of the engine by pulses from the ignition primary circuit. To control the phase of the firing pulses relative to the cycle time of the engine the counter is reset once each engine cycle by a pulse derived from one of the spark plug leads.

REFERENCES:
patent: 3500801 (1970-03-01), Long
patent: 3780711 (1973-12-01), Lindberg
patent: 3809029 (1974-05-01), Wakamatsu et al.
patent: 3820198 (1974-06-01), Scofield
patent: 3834362 (1974-09-01), Takeshita et al.
patent: 3854458 (1974-12-01), Reddy
patent: 3858561 (1975-01-01), Aono
patent: 3893432 (1975-07-01), Krupp et al.
patent: 3914580 (1975-10-01), Watson et al.
patent: 3923031 (1975-12-01), Keranen

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