Two-stage, hydraulic-assisted fuel injection nozzle

Details Two-stage, hydraulic-assisted fuel injection nozzle Two-stage, hydraulic-assisted fuel injection nozzle

1986-03-21

1987-08-04

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

123467, 1374895, 2395338, F02M 4500

Patent

active

046840672

ABSTRACT:
A fuel injection nozzle is provided with a pressure actuated injection valve with a first spring and a second spring operatively associated therewith to permit two stage opening of the injection valve, these spring also controlling opening movement of a valve during the injection cycle in the mid to higher speed range of engine operation to allow pressurized fuel to act on the stem end of the injection valve to effect its closure at a higher valve closing pressure than the valve closing pressure from idle to a predetermined mid-speed range of engine operation.

REFERENCES:
patent: 3910503 (1975-10-01), Barber
patent: 3997117 (1976-12-01), Kohler et al.
patent: 4269360 (1981-05-01), Kopse
patent: 4403740 (1983-09-01), Eblen et al.
patent: 4448356 (1984-05-01), Nakajima et al.
patent: 4475515 (1984-10-01), Mowbray
patent: 4573433 (1986-02-01), Deckard
patent: 4594097 (1985-10-01), Aoki et al.
patent: 4598863 (1986-07-01), Kunesaka

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