Fuel injection system

Details Fuel injection system Fuel injection system

1987-12-07

1991-05-07

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123472, 123468, 123516, F02M 3704

Patent

active

050127870

ABSTRACT:
A fuel injection system for internal combustion engines is proposed which serves the purpose of fuel injection into the air intake tube of the engine. The fuel injection system includes a fuel injection valve, which is supported upstream of a throttle valve in a holder body disposed coaxially in the air intake tube. A fuel supply line leads to the fuel injection valve, extending in a downwardly directed manner toward the fuel injection valve and away from a deaeration chamber. A fuel return line leads away from the fuel injection valve, extending in an upwardly inclined direction to discharge into the regulating chamber, disposed at a higher level, of a pressure regulating valve. A fuel feed line originating at a fuel supply pump terminates in an upwardly directed manner into the dearation chamber, which communicates via a dearation nozzle with the regulating chamber, so that vapor bubbles can escape upstream of the injection valve into the return side of the injection valve.

REFERENCES:
patent: 3125078 (1964-03-01), Reiners
patent: 4186708 (1980-02-01), Bowler
patent: 4347823 (1982-09-01), Kessler

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