发明名称 CONTROL VALVE FOR A HYDRAULIC APPARATUS WITH LOCKING FACILITY
摘要 A control valve for a hydraulic device, in particular a central valve of a camshaft adjuster for a reciprocating-piston internal combustion engine, having a holding component (1) in which a valve housing (3), a control sleeve (2) and a control piston (4) are arranged, wherein the control piston (4) is mounted so as to be loaded on one side by a spring and, on the other side, is mounted with limited axial displaceability in the control sleeve (2) by means of a locking ring (6), wherein the locking ring (6) can be fastened in the axial direction in an inner holder (14) on the holding component (1) and can be connected by a fixing device to a component of the control valve, and wherein the fixing device has fastening elements attached to the locking ring (6) and has matching recesses (10) in the valve housing (3) and/or in the control sleeve (2).
申请公布号 US2016245129(A1) 申请公布日期 2016.08.25
申请号 US201314442184 申请日期 2013.09.03
申请人 Schaeffler Technologies AG & Co. KG 发明人 Fritsch Thomas;Groschel Josef;Ross Christoph;Pluta Barbara;Fichtner Alexander;Burkard Hubert
分类号 F01L1/344;F16K27/02;F01L1/047 主分类号 F01L1/344
代理机构 代理人
主权项 1. A control valve for a hydraulic device, comprising a holding component, and a valve housing, a control sleeve, and a control piston arranged in the holding component, the control piston is loaded on one side by a spring and is supported on an other side for movement in the control sleeve in an axially limited way by a locking ring, and the locking ring is fixable in an axial direction in an inner holder on the holding component and is connectable to a component of the control valve by a fixing device, the fixing device has fastening elements formed on the locking ring and matching recesses at least one of in the valve housing in the control sleeve.
地址 Herzogenaurach DE