Fuel injector with direct-controlled injection valve member

Details Fuel injector with direct-controlled injection valve member Fuel injector with direct-controlled injection valve member

2004-12-02

2008-11-25

Kim, Christopher S (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S584000

Reexamination Certificate

active

07455244

ABSTRACT:
A fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, the injector having body and a nozzle holder in which an injection valve member is movably received, which injection valve member has a seat that opens or closes injection openings, and the injection valve member is actuatable via a piezoelectric actuator. The piezoelectric actuator actuates a first booster piston, in which a second booster piston, connected to the injection valve member is guided.

REFERENCES:
patent: 5697554 (1997-12-01), Auwaerter et al.
patent: 6651950 (2003-11-01), Stoecklein et al.
patent: 2003/0127617 (2003-07-01), Kegel
patent: 195 19 191 (1996-12-01), None
patent: 101 45 620 (2003-04-01), None
patent: 102 25 686 (2004-01-01), None
patent: WO 96/37698 (1996-11-01), None
patent: WO 2005/010343 (2005-02-01), None

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