Fuel injection system

Details Fuel injection system Fuel injection system

1975-05-13

1976-10-05

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119R, F02M 720

Patent

active

039838560

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 further conduit for connecting the pressure control valve to the suction tube of the engine downstream of the butterfly valve. With this structure it is possible to alter the restoring force mentioned above so that a momentarily enriched fuel-air mixture is achieved when the butterfly valve is suddenly opened and so that a momentarily weakened fuel-air mixture is achieved when the butterfly valve is suddenly closed.

REFERENCES:
patent: 3791359 (1974-02-01), Eckert et al.
patent: 3835828 (1974-09-01), Knapp
patent: 3842813 (1974-10-01), Eckert
patent: 3894523 (1975-07-01), Stumpp

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