Fuel injection system

Details Fuel injection system Fuel injection system

1975-09-10

1977-02-15

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119R, 261 50A, F02M 6900

Patent

active

040077225

ABSTRACT:
A fuel injection system for externally ignited internal combustion engines in which a fuel metering and distributing valve is controlled by an air sensing element disposed in the air suction tube of the engine and by structure which is adapted to alter the restoring force exerted on the air sensing element through the fuel metering and distributing valve. The noted structure includes a control pressure conduit, a pressure control valve connected to the control pressure conduit and a relief valve also connected to the control pressure conduit and connected to the fuel metering and distributing valve. The relief valve includes a sleeve valve and a throttle which is controlled by the sleeve valve. The throttle opens into a pressure chamber disposed on one side of a slide member of the fuel metering and distributing valve. This slide member exerts the restoring force applied to the air sensing element.

REFERENCES:
patent: 3728993 (1973-04-01), Eckert et al.
patent: 3791359 (1974-02-01), Eckert et al.
patent: 3867917 (1975-02-01), Zeyns et al.
patent: 3974811 (1976-08-01), Stumpp et al.

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