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    • 2. 发明申请
    • MULTIPLE-STAGE FLUID OPERATED ACTUATOR
    • 多级液压操作执行器
    • WO2012109769A1
    • 2012-08-23
    • PCT/CN2011/000253
    • 2011-02-18
    • NORGREN, INC.XIE, ZugangCHEN, Jiqiang
    • XIE, ZugangCHEN, Jiqiang
    • F15B15/14
    • F15B15/1409B29C2049/5862F15B11/123F15B15/14F15B15/1466F15B15/149
    • A multiple-stage fluid operated actuator (100) is provided. The multiple-stage fluid operated actuator (100) comprises a housing (101) including a first bore (212) with a first cross-sectional area and a second bore (215) with a second cross-sectional area. The multiple-stage fluid operated actuator (100) further comprises a piston assembly (210) including a first piston (210a) movable within the first bore (212) and a second piston (210b) movable within the first and second bores (212, 215). The piston assembly (210) separates the first and second bores (212, 215) into a first fluid chamber (214a) selectively in fluid communication with a pressurized fluid source (220) or an exhaust, an airtight second fluid chamber (214b), and a third fluid chamber (214c) selectively in fluid communication with the pressurized fluid source (220) or the exhaust.
    • 提供了多级流体操作致动器(100)。 多级流体操作致动器(100)包括壳体(101),其包括具有第一横截面积的第一孔(212)和具有第二横截面积的第二孔(215)。 多级流体操作致动器(100)还包括活塞组件(210),其包括可在第一孔(212)内移动的第一活塞(210a)和可在第一和第二孔(212)内移动的第二活塞(210b) 215)。 活塞组件(210)将第一和第二孔(212,215)分离成与加压流体源(220)或排气,气密的第二流体室(214b)流体连通的第一流体室(214a) 以及选择性地与加压流体源(220)或排气流体连通的第三流体室(214c)。
    • 3. 发明申请
    • CYLINDER PISTON ROD BUMPER
    • 气缸活塞杆
    • WO2015157966A1
    • 2015-10-22
    • PCT/CN2014/075591
    • 2014-04-17
    • NORGREN, INC.WANG, XianchaoCHEN, Jiqiang
    • WANG, XianchaoCHEN, Jiqiang
    • F15B15/22
    • F15B15/228
    • A power cylinder (100) is provided that includes a body (102) having a bore (106) therein, a piston rod (104) longitudinally reciprocable within the bore, and extending axially from the body. The power cylinder further comprises a groove (126) defined by the piston rod, wherein the groove is situated proximate a distal end of the piston rod, and wherein the groove circumscribes the piston rod. The power cylinder also comprises a bumper (122) having a size and dimension to engage the groove, wherein the bumper engages the groove, and wherein a face (136) of the bumper engages the body when the piston rod is in a substantially retracted position.
    • 提供动力缸(100),其包括其中具有孔(106)的主体(102),可在孔内纵向往复运动并且从主体轴向延伸的活塞杆(104)。 动力缸还包括由活塞杆限定的凹槽(126),其中凹槽位于活塞杆的远端附近,并且其中凹槽限定活塞杆。 动力缸还包括具有尺寸和尺寸以接合凹槽的保险杠(122),其中缓冲器接合凹槽,并且其中当活塞杆处于基本上缩回位置时,保险杠的面(136)接合主体 。
    • 4. 发明申请
    • ELECTROMAGNET ASSISTED PRESSURE-ACTUATED VALVE
    • 电磁阀辅助压力阀
    • WO2014008621A1
    • 2014-01-16
    • PCT/CN2012/078344
    • 2012-07-09
    • NORGREN, INC.CHEN, Jiqiang
    • CHEN, Jiqiang
    • F16K31/06F16K31/12B29C49/42
    • F16K31/406B29C49/4289F16K1/00F16K31/0644F16K31/082F16K31/1223
    • An electromagnet assisted pressure-actuated valve (200) is provided. The electromagnet assisted pressure-actuated valve (200) includes a housing (201) with a pilot fluid pressure port (202), a first process fluid port (203), and a second process fluid port (204). The electromagnet assisted pressure-actuated valve (200) further includes a poppet member (205) movable within the housing (201) and a control chamber (220) in fluid communication with the pilot fluid pressure port (202) and with a first cross- sectional area (205a) of the poppet member (205). A permanent magnet (251) is provided that is coupled to one of the housing (201) or the poppet member (205). An electromagnet (250) is also provided that is coupled to one of the housing (201) or the poppet member (205) opposite the permanent magnet (251).
    • 提供了一种电磁辅助压力致动阀(200)。 电磁辅助压力致动阀(200)包括具有先导流体压力端口(202)的壳体(201),第一过程流体端口(203)和第二过程流体端口(204)。 电磁辅助压力致动阀(200)还包括可在壳体(201)内移动的提升构件(205)和与先导流体压力端口(202)流体连通的控制室(220) 提升阀构件(205)的截面面积(205a)。 设置有永磁体(251),其连接到壳体(201)或提升构件(205)中的一个。 还设置有电磁体(250),其耦合到与永磁体(251)相对的壳体(201)或提升构件(205)中的一个。