Actuator for hydraulic valve of cam phaser and hydraulic valve with actuator for cam phaser
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United States of America Patent
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Feb 14, 2017
Grant Date -
Jan 28, 2016
app pub date -
Jun 25, 2015
filing date -
Jul 25, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An actuator for a hydraulic valve of a cam phaser, the actuator including a magnet housing receiving a magnetized metal sleeve and a coil that is radially enveloped by the magnetized metal sleeve generating a magnetic field, wherein the coil is fixated in a non-magnetizable coil carrier that is positioned in a cavity of the magnet housing, wherein the coil carrier at least partially envelops a pole core and a pole core yoke that is axially offset from the pole core, wherein the pole core and a pole core yoke are positioned so that they radially define a non-magnetic sleeve, wherein the non-magnetic sleeve forms a divider wall between the cavity of the magnet housing and an inner cavity of the non-magnetic sleeve.
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