Electronic fuel injection with means for preventing fuel cut-off

Details Electronic fuel injection with means for preventing fuel cut-off Electronic fuel injection with means for preventing fuel cut-off

1977-07-12

1980-09-09

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123493, F02B 300

Patent

active

042211913

ABSTRACT:
In an electronic fuel injection system for an internal combustion engine, a throttle position sensor provides an output pulse with a duration corresponding to the time interval during which throttle is nearly closed. The output from the throttle position sensor is nullified when the pulse duration is smaller than a predetermined value to prevent fuel cut-off during brief closure of throttle during transmission gear changes. The output from the throttle position sensor is used to cut off fuel only when the throttle closure time extends beyond the predetermined time interval.

REFERENCES:
patent: 3703162 (1972-11-01), Aono
patent: 3759131 (1973-09-01), Endo
patent: 3763720 (1973-10-01), Aono et al.
patent: 3776205 (1973-12-01), Maruoka
patent: 3792630 (1974-02-01), Hanse
patent: 3926153 (1975-12-01), Reddy
patent: 4062328 (1977-12-01), Konno
patent: 4092961 (1978-06-01), Tomada
patent: 4121545 (1978-10-01), Mizole

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