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1.发明申请PRESSURE CONTROL VALVE WITH INTEGRATED PRESSURE COMPENSATION FUNCTION AND CHECK VALVE FUNCTION 有权一体式压力补偿功能和检查阀功能的压力控制阀公开(公告)号：US20150224973A1
公开(公告)日：2015-08-13
申请号：US14426067
申请日：2013-09-09
发明人： Klaus Amann , Thomas Garten
CPC分类号： B60T15/184 , B60T15/021 , B60T15/20
摘要： A pneumatic pressure control valve for a brake control system of a rail vehicle having at least three pressure chambers supplied with compressed air and are disposed in a housing of the pressure control valve, a first pressure chamber sealed by a piston and by a valve seat arranged on a tappet, subjected to a braking pressure and fluidically connected to a second pressure chamber via a conduit in the tappet to relieve pressure, a further third pressure chamber supplied with a supply pressure, arranged between the two pressure chambers and the sealing between the third pressure chamber and the second pressure chamber is achieved by a flat membrane arranged in the third pressure chamber and which enables the tappet to be axially displaced, the flat membrane has a circular opening arranged substantially centrally to provide a check function and through which the tappet extends in the axial direction.
摘要翻译： 一种用于轨道车辆的制动控制系统的气动压力控制阀，其具有至少三个供应有压缩空气的压力室，并设置在压力控制阀的壳体中，第一压力室由活塞密封，并且被阀座排列 在挺杆上经受制动压力并且经由挺杆中的导管流体地连接到第二压力室以释放压力，另外设置在两个压力室之间的供给压力的第三压力室和第三压力室之间的密封 压力室和第二压力室通过布置在第三压力室中的平膜实现，并且使得挺杆能够轴向移位，平膜具有大致中心布置的圆形开口，以提供检查功能，并且挺杆延伸 在轴向上。
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2.发明授权公开(公告)号：US09956944B2
公开(公告)日：2018-05-01
申请号：US14426067
申请日：2013-09-09
发明人： Klaus Amann , Thomas Garten
CPC分类号： B60T15/184 , B60T15/021 , B60T15/20
摘要： A pneumatic pressure control valve for a brake control system of a rail vehicle having at least three pressure chambers supplied with compressed air and are disposed in a housing of the pressure control valve, a first pressure chamber sealed by a piston and by a valve seat arranged on a tappet, subjected to a braking pressure and fluidically connected to a second pressure chamber via a conduit in the tappet to relieve pressure, a further third pressure chamber supplied with a supply pressure, arranged between the two pressure chambers and the sealing between the third pressure chamber and the second pressure chamber is achieved by a flat membrane arranged in the third pressure chamber and which enables the tappet to be axially displaced, the flat membrane has a circular opening arranged substantially centrally to provide a check function and through which the tappet extends in the axial direction.
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