Fuel injection assembly for internal combustion engine

Details Fuel injection assembly for internal combustion engine Fuel injection assembly for internal combustion engine

1990-01-17

1991-12-03

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123456, 25112909, 239413, 137606, F02M 5502

Patent

active

050691864

ABSTRACT:
A fuel injection assembly for an internal combustion engine comprises a pair of solenoid valves mounted on a common manifold defining a fuel supply passage which is filled with pressurized fuel at all times during operation of the engine. The solenoid valves discharge into a common chamber having a spray nozzle located at the downstream end thereof. No valve is located between the solenoid valves and the discharge end of the spray nozzle. In use, when the solenoid valves are open, the pressure drop across the solenoid valves is small with substantially the entire pressure drop associated with the assembly occurring across the nozzle. Accordingly a relatively low hold current is required by the solenoid valves.

REFERENCES:
patent: 2146930 (1939-02-01), Bassett
patent: 3167091 (1965-01-01), Holdren
patent: 3592573 (1971-07-01), Tikijian
patent: 3749097 (1973-07-01), Grow
patent: 4235205 (1980-11-01), Fukui
patent: 4499861 (1985-02-01), Wiegand
patent: 4554903 (1985-11-01), Straubel
patent: 4556037 (1985-12-01), Wisdom
patent: 4856713 (1989-08-01), Burnett
patent: 4955347 (1990-09-01), Toyoda

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