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    • 3. 发明申请
    • Valve arrangement, closed crankcase system, and methods
    • 阀门布置,闭式曲轴箱系统和方法
    • US20050211232A1
    • 2005-09-29
    • US10812775
    • 2004-03-29
    • Robert DushekSteven Gieseke
    • Robert DushekSteven Gieseke
    • F01M13/00F01M13/02F02B3/06F02B25/06F02B37/00F02M25/06F16K17/04
    • F01M13/0011B01D46/0031B01D46/0043B01D46/0087B01D46/2411B01D2279/35F01M13/022F01M13/04F01M2013/0016F01M2013/0438F02B3/06F02B37/00F02M25/06F16K17/0453Y02T10/121
    • A valve arrangement includes a one-piece piston-diaphragm member. The one-piece piston-diaphragm member includes a connecting rod terminating at a piston head. The piston head defines a relief aperture arrangement extending between oppositely disposed pressure-receiving surfaces. The one-piece piston-diaphragm member includes an adapter with a diaphram molded over the adapter. The diaphragm is oriented to form a seal with the housing, when the valve arrangement is operably installed within a housing. The valve arrangement includes a plate in movable covering relation to the relief aperture arrangement in the piston head. The plate forms a releasable seal arrangement with the relief aperture arrangement. The valve arrangement is useable in a closed crankcase system including an air filter, an engine, and a blow-by filtration system. The valve arrangement is operably installed in the blow-by filtration system downstream of the crankcase to receive blow-by fluid. A method for regulating pressure in a closed crankcase system includes directing blow-by fluid from an engine crankcase to a valve arrangement. The valve arrangement includes a one-piece piston-diaphragm member. The flow of blow-by fluid is controlled through a relief aperture arrangement in a piston head by applying force against a plate to hold the plate in covering relation to the relief aperture arrangement. The flow of blow-by fluid is controlled to downstream components by applying a force against the second pressure-receiving surface of the piston head.
    • 阀装置包括一体式的活塞隔膜部件。 一体式活塞隔膜构件包括终止于活塞头的连杆。 活塞头限定了在相对设置的压力接收表面之间延伸的释放孔结构。 一体式活塞隔膜构件包括在适配器上模制的适配器。 当阀装置可操作地安装在壳体内时,隔膜被定向成与壳体形成密封。 阀装置包括与活塞头中的释放孔装置可移动覆盖的板。 板形成具有释放孔布置的可释放的密封装置。 阀装置可用于包括空气过滤器,发动机和窜气过滤系统的闭合曲轴箱系统中。 阀装置可操作地安装在曲轴箱下游的窜气过滤系统中以接收窜气。 用于调节闭合曲轴箱系统中的压力的​​方法包括将窜流流体从发动机曲轴箱引导到阀装置。 阀装置包括一体式活塞隔膜部件。 窜流流体的流动通过在活塞头上的释放孔布置来控制,该力通过向板施加力以将板保持在与释放孔布置相对的覆盖状态。 窜流流体通过向活塞头的第二受压表面施加力而被控制到下游部件。