Fuel injection control system for internal combustion engine wit

Details Fuel injection control system for internal combustion engine wit Fuel injection control system for internal combustion engine wit

1990-04-05

1990-12-18

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by fuel cutoff

F02D 3300

Patent

active

049778765

ABSTRACT:
A fuel injection control system performs fuel cut-off operation intermittently so that engine output torque may not fluctuate at significant level to cause jerking at the transition from fuel injecting state to fuel to fuel cut-off state and at fuel resumption after fuel cut-off. Intermittnetly cutting off the fuel delivery for the engine cylinders, engine output torque drop at the fuel injecting state and fuel cut-off state can be reduced for reducing magnitude of jerking.

REFERENCES:
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patent: 4506638 (1985-03-01), Horii et al.
patent: 4598679 (1986-07-01), Ohkumo et al.
patent: 4638781 (1987-01-01), Shiki et al.
patent: 4674458 (1987-06-01), Mori
patent: 4700673 (1987-10-01), Denz
patent: 4736719 (1988-04-01), Franica et al.

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