Fuel supply control system for internal combustion engine

Details Fuel supply control system for internal combustion engine Fuel supply control system for internal combustion engine

1987-12-01

1988-09-06

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Injection or carburetion system having a series of throttle...

123478, 123445, F02M 3900

Patent

active

047684860

ABSTRACT:
A fuel supply control system for an internal combustion engine having a fuel injection valve arranged within a suction passage at a location upstream of an intake manifold and a throttle valve therein, and an air throttle valve arranged within the suction passage at a location upstream of the throttle valve and having a throttle opening disposed to be positioned opposite the nozzle of the fuel injection valve when the air throttle valve is fully closed whereby intake air flows through the throttle opening in the vicinity of the nozzle of the fuel injection valve at an increased speed. The system controls a quantity of fuel supplied to a plurality of cylinders of the engine in accordance with operating conditions of the engine. Further, the system increases the quantity of fuel when the air throttle valve is opened.

REFERENCES:
patent: 2724376 (1955-11-01), Baumbeckel
patent: 4276862 (1981-07-01), Matsumoto
patent: 4378000 (1983-03-01), Moriya et al.
patent: 4462367 (1984-07-01), Tanabe et al.

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