Hydraulic valve and cam phaser
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Sep 9, 2015
filing date -
May 3, 2013
priority date (Note) -
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Abstract
A hydraulic valve for a cam phaser, the hydraulic valve including a bushing element, including a longitudinal channel, a pressure medium connection that is arranged at an end of the longitudinal channel, three hydraulic connections that originate from the longitudinal channel, and a pressure balanced hollow piston that is arranged axially moveable within the longitudinal channel, characterized in that the hydraulic valve includes a check valve at the pressure medium connection and a cam phaser including a stator and a rotor that is rotatable relative to the stator between a first end position and a second end position for adjusting a cam shaft of an internal combustion engine and a hydraulic valve for controlling a rotation of the rotor.
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