Fuel injection unit

Details Fuel injection unit Fuel injection unit

1985-03-18

1986-01-21

Smith, Leonard E.

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

123510, 417490, F02M 4700

Patent

active

045653194

ABSTRACT:
A fuel injection unit includes a body housing a high pressure fuel pump, the body having a stepped cylindrical portion 11 to which a nozzle head is attached by a cap nut having a skirt portion. A fuel supply port opens onto a step and located against the step is a ring member the surface of which presented to the step defines an annular recess. Inner and outer annular legs are defined by the recess and the inner leg engages the step and the outer leg has a clearance with the step, the clearance forming a filtration gap for fuel flowing to the supply port.

REFERENCES:
patent: 2144862 (1939-01-01), Truxell, Jr.
patent: 3216359 (1965-11-01), Teichert
patent: 3409225 (1968-11-01), Maddalozzo et al.
patent: 4244520 (1981-01-01), Rathmayr

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