Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-06-07

2008-12-02

Ganey, Steven J (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585100, C251S129210, C251S335300

Reexamination Certificate

active

07458531

ABSTRACT:
A fuel injection valve includes a valve body having a valve seat, a valve element adapted to sit on and leave a valve seat, a nozzle hole for the injection of fuel, and an electromagnetic drive section. A holding member surrounds and holds, on one end side thereof, at least a partial area of an opposite-to-nozzle-hole-side end face portion of the valve element. The holding member surrounds and holds, on an opposite end side thereof, a predetermined surface area of a constant position holding portion without being influenced by the pressure of fuel flowing through a fuel passage of the valve body and irrespective of movement of the valve element. An internal area of the holding member is shut off so as not to be influenced by the pressure of fuel present around the internal area.

REFERENCES:
patent: 5762272 (1998-06-01), Tani et al.
patent: 6969009 (2005-11-01), Bachmaier et al.
patent: 7044407 (2006-05-01), Fischer et al.
patent: 7195182 (2007-03-01), Fischer et al.
patent: 7309032 (2007-12-01), Fischer et al.
patent: 10-141168 (1998-05-01), None
patent: 2002-310030 (2002-10-01), None

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