Fuel injection system

Details Fuel injection system Fuel injection system

1975-02-20

1976-12-28

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119R, F02M 6900

Patent

active

039995275

ABSTRACT:
A fuel injection system includes a metering valve assembly whose control slide is actuated by the air flow through the induction tube and by an opposite restoring force provided by fluid pressure. The magnitude of this restoring force may be altered by the action of a pressure control valve. The back pressure downstream of this control valve and downstream of a main fuel system control valve is regulated by a back pressure regulating valve. This valve is responsive to signals related to the atmospheric pressure or to operating parameters of the engine, e.g., the induction manifold pressure and it regulates the back pressure of the fuel to maintain a desired fuel-air ratio.

REFERENCES:
patent: 3730155 (1973-05-01), Knapp
patent: 3796200 (1974-03-01), Knapp
patent: 3867917 (1975-02-01), Zeyns et al.

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