CONTROL VALVE FOR A HYDRAULIC DEVICE WITH A REPLACEABLE HYDRAULICS UNIT
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Sep 6, 2013
filing date -
Nov 15, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A control valve (1) for a hydraulic device, particularly a central valve of a camshaft adjuster for reciprocating internal combustion engines, with a receiving part (8) in which a hydraulic unit (2) with a control piston (5) is arranged, wherein the control piston (5) is moveably housed in the hydraulic unit (2), is loaded by a spring (6) and can be limited in its displacement movement by a stop element (7), and with a retaining ring (9) that can be fixed in an inner housing (12) to the receiving part (8) and wherein the stop element (7) is designed as a separate component and can be connected to the hydraulic unit (2) by a material-fit or positive-fit connection.
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