Seat/slide valve with pressure-equalizing pin

Details Seat/slide valve with pressure-equalizing pin Seat/slide valve with pressure-equalizing pin

2005-01-04

2005-01-04

Michalsky, Gerald A. (Department: 3753)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C137S625260, C137S625270, C137S625650

Reexamination Certificate

active

06837451

ABSTRACT:
The invention relates to a 3/2-way valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, having a first switching position, in which an injection nozzle is in communication with a fuel return, and having a second switching position, in which the injection nozzle is in communication with a high-pressure fuel reservoir. To improve the function and quality of the injection, the 3/2-way valve includes a force-balanced control piston, and the control edge of the control piston is pressure-equalized by means of a blind bore.

REFERENCES:
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patent: 197 24 637 (1998-12-01), None
patent: 199 39 452 (2001-03-01), None
patent: WO 02 059475 (2002-08-01), None

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