Common rail injector with active needle closing device

Details Common rail injector with active needle closing device Common rail injector with active needle closing device

2007-03-13

2007-03-13

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533200, C239S533300, C239S533400, C239S102200, C239S585100, C123S467000, C257S129000

Reexamination Certificate

active

11358345

ABSTRACT:
A fuel injector includes a needle valve having a metering land that corresponds with the metering edge to define a metering gap. The metering gap produces a pressure drop utilized to tailor needle valve opening and closing response times.

REFERENCES:
patent: 4382554 (1983-05-01), Hofmann
patent: 4658824 (1987-04-01), Scheibe
patent: 5020500 (1991-06-01), Kelly
patent: 5899389 (1999-05-01), Pataki et al.
patent: 6279840 (2001-08-01), Buckley
patent: 6896208 (2005-05-01), Kuegler

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