Accumulator type fuel injection apparatus

Details Accumulator type fuel injection apparatus Accumulator type fuel injection apparatus

1980-10-02

1982-09-14

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Injection nozzle opened by relieving supply

2395332, F02M 416

Patent

active

043491529

ABSTRACT:
A fuel injection apparatus for a diesel engine comprising a holder body having an accumulator chamber and a spring chamber, a nozzle body detachably connected to the holder body, the nozzle body having formed therein a stepped longitudinal bore, a pressure chamber intermediate the stepped longitudinal bore and an injection orifice communicating with the longitudinal bore, a check valve disposed in a passage communicating a fuel injection pump with the accumulator chamber, a solenoid-operated spool valve mounted in the accumulator chamber, a communication passage having an upper end selectively connectible with the accumulator chamber through the spool valve and a lower end being in constant communication with the pressure chamber, a needle valve fitted in the stepped longitudinal bore and movable therein, and a spring accommodated in the spring chamber for biasing the needle valve toward closing the injection orifice.

REFERENCES:
patent: 2985378 (1961-05-01), Falberg
patent: 3802626 (1974-04-01), Regnealt
patent: 3913537 (1975-10-01), Ziesche

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