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    • 4. 发明申请
    • SERVO-OPERATED VALVE
    • 伺服阀
    • WO2008034463A1
    • 2008-03-27
    • PCT/EP2006/066470
    • 2006-09-18
    • LODOLO, Alberto
    • LODOLO, Alberto
    • F16K31/385
    • F16K31/385Y10T137/5994Y10T137/7036Y10T137/7728
    • A single chamber two-way servo-operated valve comprising: a valve body (1) presenting an inlet aperture (2), an outlet aperture (3) and an access (11); a cover (12) to close the access (11) of the valve body (1); a port (4) dividing the valve body interior into an inlet section (5) and an outlet section (6); a valving element (8) comprising a disc (10) for closing said port (4); and an actuating chamber (15) at least partially defined by the cover (12), the disc (10) and a flexible diaphragm (14) connected to the valving element (8), the disc (10) of said valving element (8) comprising a rigid central core (50) which is at least partially covered by a rubber layer (18) adhering to said central core (50), said rubber layer (18) extending from the edge of the disc (10) to form the flexible diaphragm (14).
    • 一种单室双向伺服操作阀,包括:阀体(1),其具有入口孔(2),出口孔(3)和通道(11); 封闭所述阀体(1)的通路(11)的盖(12); 将阀体内部分成入口部分(5)和出口部分(6)的端口(4); 阀元件(8),包括用于关闭所述端口(4)的盘(10); 以及至少部分地由盖(12),盘(10)和连接到阀元件(8)的柔性隔膜(14)限定的致动室(15),所述阀元件(8)的盘(10) )包括刚性中心芯(50),其至少部分地被粘附到所述中心芯(50)的橡胶层(18)覆盖,所述橡胶层(18)从所述盘(10)的边缘延伸以形成 柔性隔膜(14)。
    • 6. 发明申请
    • PILOT VALVE STRUCTURES AND MASS FLOW CONTROLLERS
    • 导阀结构和大流量控制器
    • WO2015130469A1
    • 2015-09-03
    • PCT/US2015/015350
    • 2015-02-11
    • MKS INSTRUMENTS, INC.
    • GOMES, Richard
    • F16K31/34F16K31/06
    • F16K31/404F16K31/128F16K31/385G05D7/0635Y10T137/7759Y10T137/7768
    • Pilot valve structures are described as including a main valve having a main flow body and having an inlet and outlet, and a diaphragm, with a perimeter, a moveable portion, and first and second sides. A main flow orifice is located in the flow body between the inlet and outlet. A main valve plug is attached to and/or disposed in the moveable portion of the diaphragm and opens and closes the flow orifice when the moveable portion of the diaphragm is in first and second positions. The pilot valve also includes a pilot valve inlet that is connected to the flow path of the main flow body. A pilot valve outlet/orifice is disposed within and co-located with the main valve plug. The pilot valve includes a pilot valve plug, which is moveable to open and close the pilot valve orifice. Related mass flow controllers with such pilot valve structures are further described.
    • 先导阀结构被描述为包括具有主流体并具有入口和出口的主阀,以及具有周边,可移动部分以及第一和第二侧的隔膜。 主流量孔位于入口和出口之间的流体中。 主阀塞附接到和/或设置在隔膜的可移动部分中,并且当隔膜的可移动部分处于第一位置和第二位置时,打开和关闭流动孔。 先导阀还包括连接到主流体的流动路径的先导阀入口。 先导阀出口/孔设置在主阀塞内并与主阀塞并联。 先导阀包括先导阀塞,其可移动以打开和关闭先导阀孔。 进一步描述了具有这种先导阀结构的相关质量流量控制器。
    • 7. 发明申请
    • LIQUID DISCHARGE VALVE
    • 液体排放阀
    • WO2015029036A1
    • 2015-03-05
    • PCT/IL2014/050774
    • 2014-08-27
    • A.R.I. FLOW CONTROL ACCESSORIES LTD.
    • BAHALUL, YoelKANDANYAN, Mordechai
    • F16K31/385
    • F16K24/042F16K15/023F16K31/385
    • A liquid discharge valve (10) comprising a housing (20) configured with an inlet port (22) coupleable to a liquid line (24), a liquid outlet port (26), an inlet chamber (40) accommodating a pressure responsive closing mechanism (34) disposed between said inlet port and said liquid outlet port and configured for selectively opening a liquid flow path (38) therebetween, a control chamber (46) being in flow communication with the inlet chamber via a restricted fluid passage (54), a gas operated valve (48) being in flow communication with the control chamber, and a discharge pilot valve (50) being in flow communication with the control chamber.
    • 一种液体排出阀(10),包括构造有可与液体管线(24)连接的入口(22)的壳体(20),液体出口(26),容纳压力响应闭合机构 (34),设置在所述入口端口和所述液体出口端口之间,并且构造成用于选择性地打开其间的液体流动路径(38),经由限制流体通道(54)与所述入口室流动连通的控制室(46) 与所述控制室流动连通的气动阀(48)和与所述控制室流动连通的排出先导阀(50)。
    • 9. 发明申请
    • SHUT-OFF VALVE
    • 关闭阀
    • WO2010092380A1
    • 2010-08-19
    • PCT/GB2010/050204
    • 2010-02-10
    • SURESTOP LIMITEDDALTON, Martin Walter
    • DALTON, Martin Walter
    • F16K31/385
    • F16K31/385
    • This invention relates to a shut-off valve, and primarily to a valve for shutting-off the flow of a fluid such as a mains water supply to commercial premises or a domestic dwelling. The shut-off valve (10) comprises a diaphragm valve and a pilot valve (30). The diaphragm valve has an inlet (14) and an outlet (16), a valve member (26) and a valve seat (22), the valve member having a closed position in which it engages the seat and prevents the flow of fluid from the inlet to the outlet, and an open position in which the valve member does not engage the seat and fluid can flow from the inlet to the outlet. A first fluid conduit (36) connects the inlet of the diaphragm valve to the inlet of the pilot valve, and a second fluid conduit (40) connects the outlet of the pilot valve to the outlet of the diaphragm valve. The pilot valve has an open position in which fluid can flow from the first fluid conduit to the second fluid conduit and a closed position in which fluid cannot flow from the first fluid conduit to the second fluid conduit. The invention is characterised in that the diaphragm valve has a control member (42, 44, 46) which is adapted to hold the valve member against the valve seat, whereby the diaphragm valve remains closed even if the pressure at its outlet equals or perhaps exceeds the pressure at its inlet.
    • 本发明涉及一种截止阀,主要涉及一种用于关闭诸如向商业场所或家庭住宅供水的流体流动的阀门。 截止阀(10)包括隔膜阀和先导阀(30)。 隔膜阀具有入口(14)和出口(16),阀构件(26)和阀座(22),阀构件具有关闭位置,在该位置中,阀构件接合座,并防止流体从 到出口的入口以及阀构件不接合座的打开位置和流体可以从入口流到出口。 第一流体管道(36)将隔膜阀的入口连接到先导阀的入口,并且第二流体管道(40)将先导阀的出口连接到隔膜阀的出口。 先导阀具有打开位置,流体可以从第一流体导管流到第二流体导管,而关闭位置,流体不能从第一流体导管流到第二流体导管。 本发明的特征在于,隔膜阀具有控制构件(42,44,46),其适于将阀构件保持抵靠阀座,由此隔膜阀保持关闭,即使其出口处的压力等于或可能超过 其入口处的压力。
    • 10. 发明申请
    • FLOAT VALVE
    • 浮阀
    • WO2007105931A2
    • 2007-09-20
    • PCT/MY2007000014
    • 2007-03-05
    • TEH KOK
    • TEH KOK
    • F16K21/18F16K31/385
    • A float valve for tanks and the like includes an inlet port (22) located upstream and an outlet port (18). A first diaphragm (32) is disposed normally beneath the inlet port within a housing (28) of the float valve body. A second diaphragm (40) is disposed adjacent to the first diaphragm engaging with one another at the rims thereon and defining a space between them. A pin member (60) operable by a float lever assembly (50m 52, 58) actuates a bleed aperture (42) located on the second diaphragm to open and close the inlet port of the float valve.
    • 用于罐等的浮阀包括位于上游的入口端口(22)和出口端口(18)。 第一隔膜(32)通常位于浮子阀体的壳体(28)内的入口下方。 第二隔膜(40)设置成与第一隔膜相邻,在其上的边缘处彼此接合并且在它们之间限定空间。 可由浮动杆组件(50m 52,58)操作的销构件(60)致动位于第二隔膜上的排放孔(42),以打开和关闭浮阀的入口。