Valve body and fluid injector with valve body

Details Valve body and fluid injector with valve body Valve body and fluid injector with valve body

2004-12-08

2009-08-18

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533900, C239S585500

Reexamination Certificate

active

07575183

ABSTRACT:
A fluid injector has a housing, an actuator unit and a valve body (2). The valve body (2) has a needle (22), which closes or opens a nozzle (213) depending on its position and comprises a guided zone (221). It further has a first part (21), which is arranged in a fixed position relative to the nozzle (213) and has a guided zone (215). It further has a second part (24), which has a first guide zone (242), that guides the guided zone (221) of the needle (22), and which has a second guide zone (243), that guides the guided zone (215) of the first part (21), with the second guide zone (242) having a greater diameter than the first guide zone (242).

REFERENCES:
patent: 4215820 (1980-08-01), Renger
patent: 5494223 (1996-02-01), Hall et al.
patent: 5544816 (1996-08-01), Nally et al.
patent: 5647536 (1997-07-01), Yen et al.
patent: 5826793 (1998-10-01), Askew
patent: 483 126 (1929-09-01), None
patent: 0 967 386 (1999-12-01), None
patent: 2 112 455 (1982-11-01), None
patent: 03/016707 (2003-02-01), None
International Search Report for Application No. PCT/EP2004/053354, 4 pages, Aug. 12, 2004.

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