Barrel and fuel injector utilizing the same

Details Barrel and fuel injector utilizing the same Barrel and fuel injector utilizing the same

1980-02-21

1981-12-22

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

Accumulator plunger biased to discharge fluid

2395333, F02M 4702

Patent

active

043066810

ABSTRACT:
A fuel injector comprising a housing, a barrel within the housing and a nozzle member attached to one end of the housing. The barrel has a plunger bore and opposite end faces. The barrel also has an inlet passage leading from a first of the barrel end faces to the plunger bore and an outlet passage leading from the plunger bore to one of the barrel end faces. The inlet passage has an inlet passage leg and first and second axially spaced generally transverse legs extending from the inlet passage leg to the plunger bore and terminating in a spill port and a metering port, respectively, at the plunger bore. The outlet passage has an outlet passage leg and a transverse leg opening at a drain port at the plunger bore and extending to the outlet passage leg. At least one of the inlet passage leg and the outlet passage leg is inclined as it extends toward the associated transverse leg.

REFERENCES:
patent: 2984230 (1961-05-01), Cummins
patent: 3351288 (1967-11-01), Perr
patent: 3669360 (1972-06-01), Knight
patent: 3737100 (1973-06-01), Dreisin
patent: 3831846 (1974-08-01), Perr et al.

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