Fuel injection system

Details Fuel injection system Fuel injection system

1974-09-23

1976-07-06

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 32AE, 123119R, F02D 100

Patent

active

039676072

ABSTRACT:
In an internal combustion engine employing manifold fuel injection, the air flow rate through the induction manifold controls the motions of a slide in a metering and distribution valve assembly. The slide, in turn, controls the effective metering valve apertures of several individual openings, each leading first to an equal pressure diaphragm valve and, hence, to individual fuel injection nozzles.
The system includes a differential pressure control valve, which maintains a constant pressure difference across the metering valve apertures in the metering and distribution valve assembly. The differential pressure control valve may be in parallel or series connection with the several equal pressure diaphragm valves. The system also includes a pressure control valve, responsive to engine parameters, which adjusts the resetting force acting on the control slide in the metering and distribution valve assembly.

REFERENCES:
patent: 3730155 (1973-05-01), Knapp
patent: 3765387 (1973-10-01), Knapp
patent: 3842813 (1974-10-01), Eckert

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