Fuel injection valve for internal combustion engines with...

Details Fuel injection valve for internal combustion engines with... Fuel injection valve for internal combustion engines with...

2007-02-06

2007-02-06

Ganey, Steven J. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S088000, C239S096000, C239S585100

Reexamination Certificate

active

10312256

ABSTRACT:
A fuel injection valve for internal combustion engines, having a housing (12; 48) in which a pistonlike valve member (35; 60) is disposed longitudinally displaceably in a bore (34; 57). The valve member (35; 60) is surrounded, over at least part of its length, by a pressure chamber (37; 68), embodied in the housing (12; 48), that can be filled with fuel at high pressure; the valve member (35; 60) controls the communication of the pressure chamber (37; 68) with at least one injection opening (39; 66). The pressure chamber (37; 68) communicates with a damping chamber (46; 80), embodied in the housing (12; 48), via at least one throttle (44; 78) disposed in the housing (12; 48), so that pressure fluctuations that occur in the damping chamber (46; 60) rapidly fade (FIG.1).

REFERENCES:
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patent: 5341783 (1994-08-01), Beck et al.
patent: 5467754 (1995-11-01), Beck et al.
patent: 5551391 (1996-09-01), Beck et al.
patent: 5551634 (1996-09-01), Raab et al.
patent: 5727738 (1998-03-01), Hofmann et al.
patent: 5752659 (1998-05-01), Moncelle
patent: 6336595 (2002-01-01), Barbier
patent: 44 40 182 (1996-05-01), None
patent: 0 135 872 (1985-04-01), None

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