Fluid injector and method for manufacturing a fluid injector

Details Fluid injector and method for manufacturing a fluid injector Fluid injector and method for manufacturing a fluid injector

2004-11-22

2010-11-16

Ganey, Steven J (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Processes

Of fuel injection

C239S102200, C239S533400, C239S533700, C239S584000, C239S600000, C239SDIG002, C277S591000

Reexamination Certificate

active

07832656

ABSTRACT:
A fluid injector has a housing, a valve body and an actuator unit inserted into the housing. The valve body has a cartridge with a recess that takes in a needle. The valve body further has a hollow body arranged in a fixed position to the needle and forming a first spring rest. The valve body further has a valve cap, which takes in the cartridge and forms a second spring rest. A return spring rests on the first spring rest and on the second spring rest. The valve cap, the housing and the cartridge are formed such, that before the valve cap and the housing and the valve cap and cartridge are permanently fixed to each other the valve cap is moveable relative to the housing and the cartridge while the housing and the cartridge stay in a fixed position relative to each other.

REFERENCES:
patent: 2986342 (1961-05-01), Dahl
patent: 4720077 (1988-01-01), Minoura et al.
patent: 4726523 (1988-02-01), Kokubo et al.
patent: 6247453 (2001-06-01), Potschin et al.
patent: 6467460 (2002-10-01), Stier
patent: 6676030 (2004-01-01), Lorraine et al.
patent: 2002/0027170 (2002-03-01), Popp
patent: 2002523672 (2002-07-01), None
patent: 2002540342 (2002-11-01), None
patent: 03/016707 (2003-02-01), None
European Search Report for European Application No. 04001999.4-2311 (3 pages), Apr. 26, 2004.
International Search Report and Written Opinion for International Application No. PCT/EP2004/053043 (9 pages), Feb. 11, 2005.

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