Fuel injection system

Details Fuel injection system Fuel injection system

1974-10-29

1976-03-09

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139AL, F02M 3900

Patent

active

039424979

ABSTRACT:
A fuel injection system for mixture compressing, externally ignited internal combustion engines includes a fuel distributing unit having a plurality of fuel metering valves, and a plurality of pressure valves. The pressure valves are disposed in the fuel flow path between their respective fuel metering valve and their associated fuel injection valve. Each of the pressure valves includes a space which is divided into first and second chambers by a flexible member. At least one of the pressure valves is embodied as an equal pressure valve, and at least one of the pressure valves is embodied as a differential pressure control valve. The pressure in the second chamber of the differential pressure control valve is the pressure prevailing upstream of the fuel metering valves, and the first chamber of the differential pressure control valve communicates with the second chamber of each of the equal pressure valves so that the pressures therein are equal. Fuel metering occurs at a constant pressure difference.

REFERENCES:
patent: 3703888 (1972-11-01), Eckert
patent: 3817229 (1974-06-01), Stumpp
patent: 3842813 (1974-10-01), Eckert

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