Valve assembly for an injection valve and injection valve
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United States of America Patent
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Dec 30, 2014
Issued Date -
N/A
app pub date -
Apr 14, 2010
filing date -
Apr 20, 2009
priority date (Note) -
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Abstract
A valve assembly for an injection valve has a valve body with a central longitudinal axis and a cavity with a fluid inlet portion and a fluid outlet portion, a valve needle axially movable in the cavity, the needle preventing a fluid flow in a closing position and releasing the fluid flow via a main fluid line in further positions, a member being fixedly associated to the needle and having a surface facing the outlet portion, a first chamber embodied in the cavity, a second chamber being part of the main line, and a one-way-valve which is hydraulically arranged between the first and second chamber to prevent a fluid flow through a first fluid path in a closing position of the one-way-valve and to release a fluid flow through the first fluid path between the first and second chamber in further positions of the one-way-valve.
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