Fuel injection system

Details Fuel injection system Fuel injection system

1980-02-04

1982-12-21

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123454, F02M 6900

Patent

active

043643612

ABSTRACT:
The present invention relates to a fuel injection system designed to supply fuel to a mixture compressing externally ignited internal combustion engine. The fuel injection system comprises an air metering member which is displaceable in a suction tube in accordance with the air flow rate and which displaces the movable part of a fuel metering valve in opposition to a resetting force which is produced by fuel operative in a pressure chamber into which projects an effective face of the movable part of the metering valve. The fuel is metered at the fuel metering valve under a specific pressure difference determined by the regulating valve means, the regulating valve means being influenced by the pressure in a control pressure line in which the pressure chamber is also disposed. Enrichment of the fuel-air mixture is obtained by varying the pressure difference of at least a first throttle by means of an electromagnetic valve disposed in the control pressure line and controllable of a function of the operating parameters of the internal combustion engine.

REFERENCES:
patent: 3809036 (1974-05-01), Knapp
patent: 3930481 (1976-01-01), Eckert
patent: 3967607 (1976-07-01), Eckert
patent: 3981288 (1976-09-01), Wessel
patent: 3993032 (1976-11-01), Passera
patent: 3993034 (1976-11-01), Passera et al.
patent: 4075995 (1978-02-01), Kramer

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