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    • 22. 发明公开
    • SURGE PREVENTION DEVICE
    • STOSSVERHINDERUNGSVORRICHTUNG
    • EP1532385A4
    • 2005-07-13
    • EP03763067
    • 2003-07-01
    • ALLIED HEALTHCARE PROD
    • KROUPA KEVINKULLMANN WILLIAM J
    • F16K1/02F16K1/30F16K1/52F16K1/54F16K31/44F16K39/02F16K47/02F17C13/04F16K11/14
    • F16K39/024F16K1/305F16K1/306F16K1/307F16K1/52F16K1/526F16K1/54F17C13/04F17C2201/0109F17C2201/032F17C2201/058F17C2205/0329F17C2205/0338F17C2205/0385F17C2205/0394F17C2221/011F17C2223/0123F17C2223/036F17C2250/0626F17C2260/021F17C2265/012F17C2270/025Y10T137/0318Y10T137/86944Y10T137/86976Y10T137/87056Y10T137/88022
    • A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure gas cylinder and a medical pressure regulator. The valve is provided with first and second valves located within a housing and integrating a pressurization orifice. The initial opening of the valve in an axial direction enables gas to flow through the pressurization orifice at a first flow rate. The full opening of the valve in the axial direction enables the gas to flow through the second valve at a second flow rate, which is much higher than the first flow rate. The controlled pressurization of the gas through the orifice delays the time during which the gas reaches full recompression. The valve may be further provided with a vent for venting pressurized gas away from a nominally closed top surface of the lower valve element. The valve may be also provided with a valve inlet tube extending into a gas cylinder to prevent contaminants, particles and/or impurities from entering the valve. In a preferred embodiment of the invention, the valve has a deformable seal element that is sealed on both sides when the main passageway is closed. The deformable element, which may be an apertured disk, may be resiliently bowed or preloaded. This helps the disk remain in the desired position against a first one of the valve seats even after the disk is permanently deformed by the first valve seat.
    • 防浪涌阀可用于防止形成高压的初始波动。 该阀可以位于例如高压气瓶和医用压力调节器之间。 该阀设有位于壳体内并集成加压孔的第一和第二阀。 阀在轴向上的初始打开使得气体能够以第一流量流过加压孔。 阀在轴向方向上的完全打开使得气体以第二流量流过第二阀,该第二流速远高于第一流速。 气体通过孔的受控增压延迟了气体达到完全再压缩的时间。 该阀可以进一步设置有排气口,用于将加压气体从下部阀元件的名义上关闭的顶部表面排出。 该阀还可以设有延伸到气瓶中的阀入口管,以防止污染物,颗粒和/或杂质进入阀。 在本发明的优选实施例中,阀门具有可变形的密封元件,当主通道关闭时,密封元件在两侧密封。 可变形元件可以是有孔圆盘,可以弹性弯曲或预加载。 即使在盘被第一阀座永久变形之后,这也有助于盘保持在抵靠第一阀座的期望位置。
    • 29. 发明公开
    • Clapet de pression résiduelle
    • Druckbegrenzungsventil
    • EP1380779A1
    • 2004-01-14
    • EP02077829.6
    • 2002-07-11
    • Luxembourg Patent Company S.A.
    • Kremer, PaulRisse, Claude
    • F16K1/30F16K17/04
    • F16K1/305F16K1/306F16K1/307F16K17/0433
    • Le clapet de pression résiduelle (40) pour un robinet à gaz (10) pour un cylindre à gaz comporte un piston (46) mobile entre une position ouverte et une position fermée, une bague d'étanchéité (54) disposée dans une gorge annulaire (46-3) formée dans la surface externe du piston (46) en vue d'empêcher une fuite du gaz sous pression le long de la surface externe du piston (46) et par un passage interne (46-4) de celui-ci, et au moins un orifice (46-5) plaçant le passage interne (46-4) du piston (46) en communication avec la gorge annulaire (46-3) radialement à l'intérieur de la bague d'étanchéité (54) en vue de la plaquer contre une paroi qui entoure le piston (46) afin de le stabiliser en mode de soutirage du gaz du cylindre de gaz.
    • 减压阀(40)包括可在打开和关闭位置之间移动的活塞(46)和设置在形成在活塞的外表面中的环形槽(46-3)中以防止泄漏的密封环(54) 的压缩气体沿着活塞的外表面和内部通道(46-4)。 至少一个开口(46-5)将内部通道与封闭环径向内部的环形槽连通,使其靠在围绕活塞的壁上,以便在从气缸提取气体期间稳定。 包括用于加压或液化气瓶的气龙头的独立权利要求。
    • 30. 发明公开
    • Valve for recipient containers for high pressure extinguishing agents
    • 用于高压灭火剂容器的阀门
    • EP1302710A2
    • 2003-04-16
    • EP01500251.2
    • 2001-10-19
    • L.P.G. Tecnicas en Extincion de Incendios, S.A.
    • Leon Timoneda, Angel
    • F16K1/30
    • F16K1/306F16K1/307
    • Coupled to the body (1) the valve has: a manometer (7), a solenoid valve (9), a presostate (10), a safety valve (11) and a firing element (12). The manometer (7), solenoid valve (9) and presostate (10) pressure entry conduits (22a, 22b and 22c) are related amongst themselves and connected with the inlet of the valve (13) by means of a single hole (23), with an anti-return valve (24) which, depending on its position, allows or not the passing of pressure towards said conduits (22a, 22b and 22c). The body (1) has an alleviation conduit (22d) that connects the manometer (7) pressure entry conduit (22a) with the exterior and, in the top chamber (15) a seal (26) to prove the activation of the valve.
    • 与阀体(1)相连接的阀门具有:压力计(7),电磁阀(9),前置稳压器(10),安全阀(11)和点火元件(12)。 压力计(7),电磁阀(9)和前置稳压器(10)压力进入导管(22a,22b和22c)相互关联并通过单个孔(23)与阀(13)的入口连接, ,带有止回阀(24),该止回阀取决于其位置允许或不允许朝向所述导管(22a,22b和22c)传递压力。 本体(1)具有减压导管(22d),其将压力计(7)压力进入导管(22a)与外部连接并且在顶部腔室(15)中连接密封件(26)以证明阀的启动。