Valve assembly with a guide element
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Feb 25, 2016
filing date -
Feb 25, 2015
priority date (Note) -
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Abstract
A valve assembly for a fluid injection valve contains a hollow valve body which hydraulically connects a fluid inlet to an injection orifice and has a longitudinal axis. A valve needle is received in the valve body in an axially displaceable fashion for sealing the injection orifice in a closing position. An electromagnetic actuator assembly is provided for displacing the valve needle away from the closing position, the actuator assembly containing a movable armature and a pole piece which is positionally fixed relative to the valve body. A guide element is positionally fixed relative to the pole piece, has a first guide surface for axially guiding the armature and a second guide surface for axially guiding the valve needle.
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