Fuel injection device

Details Fuel injection device Fuel injection device

1992-09-21

1994-03-01

Dolinar, Andrew M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123486, 123491, F02D 4304

Patent

active

052898083

ABSTRACT:
A fuel injection device increases an increment value of fuel after cut-off of assist air so that the air/fuel ratio for combustion can be held constant to stabilize the idling rotational speed. The device has control means for controlling, based on various detection signals indicative of an engine cooling water temperature, an engine rotational speed, an amount of intake air, etc., a valve-opening time of a fuel injection valve in accordance with a predetermined control program, and also controlling an on/off control valve for cutting off air supplied to fuel atomizing means. Fuel incrementing means increases an amount of liquid fuel supplied to the fuel injection valve depending on opening/closing of the on/off control valve and the temperature of engine cooling water. When the on/off control valve is closed and an engine is in a state of steady operation, the increment value of the liquid fuel supplied to the fuel injection valve can be gradually increased by the fuel incrementing means.

REFERENCES:
patent: 4532902 (1985-08-01), Mizuno et al.
patent: 5121716 (1992-06-01), Takahashi et al.
patent: 5148788 (1992-09-01), Saikalis et al.

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