Fuel injector with a hydraulically cushioned valve

Details Fuel injector with a hydraulically cushioned valve Fuel injector with a hydraulically cushioned valve

1992-12-18

1994-02-22

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395339, 23953311, 2395851, 251 50, 335277, F02M 5106

Patent

active

052880257

ABSTRACT:
An improved fuel injector for an internal combustion engine which produces highly accurate fuel delivery control by providing a precise closing of the valve without secondary openings caused by rebound or bouncing of the valve from its seat surface after initial closing. Valve rebound is eliminated by a hydraulic cushion formed between parallel surfaces of the movable valve and its stationary guide whereby a thin boundary layer of liquid fuel caught between closely spaced surfaces is compressed just prior to engagement of the valve with its valve seat. This generates an opposing force to the force tending to close the valve.

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