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1. 发明授权

US5022423A Safety valve 失效
标题翻译：安全阀门
公开(公告)号：US5022423A
公开(公告)日：1991-06-11
申请号：US508282
申请日：1990-04-11
申请人： Franklin J. Britt
发明人： Franklin J. Britt
IPC分类号： F16K17/40 , F17C13/12
CPC分类号： F16K17/40 , F17C13/123 , F17C2205/0308 , F17C2205/0314 , F17C2205/0329 , F17C2205/0332 , F17C2205/0382 , F17C2205/0385 , F17C2205/0394 , F17C2260/042 , Y10S137/901 , Y10T137/1654 , Y10T137/6191 , Y10T137/88054
摘要： A safety and service valve for a high pressure tank having a sealing portion within the tank, an external portion externally of the tank, a flow passage between inlet and outlet ports, and a chamber having an inlet end and an outlet end, the outlet end having a valve seat. A valve element is loosely received by the chamber and adapted to engage the valve seat to thereby close the flow passage when the fluid pressure at the chamber inlet end is higher than the fluid pressure at the chamber outlet end. A stop member prevents the valve element from engaging the valve seat until the external portion of the body is severed from the sealing portion.In one aspect, the valve includes a bleed passage in the sealing portion of the valve for placing the tank in fluid communication with the flow passage and allowing release of pressure in the tank in a safe manner if the external portion of the body is severed from the sealing portion. In another aspect, the valve element is a ball of deformable material wherein the diameter of the ball and the diameter of the passage are selected such that if the external portion of the valve body is severed from the sealing portion, the valve element is forced out through the passage allowing release of pressure in the tank if the pressure exceeds a predetermined magnitude.
摘要翻译：一种用于高压罐的安全和维修阀，其具有罐内的密封部分，罐外部的外部部分，入口和出口之间的流动通道，以及具有入口端和出口端的室，具有阀座。阀元件被腔室松散地接收并且适于接合阀座，从而当腔室入口端处的流体压力高于腔室出口端处的流体压力时闭合流动通道。止动构件防止阀元件接合阀座，直到主体的外部部分从密封部分切断。在一个方面，阀包括在阀的密封部分中的排放通道，用于将罐与流动通道流体连通，并且如果身体的外部部分被切断，并且允许以安全的方式释放罐中的压力密封部分。在另一方面，阀元件是可变形材料的球，其中球的直径和通道的直径被选择为使得如果阀体的外部部分与密封部分分离，则阀元件被迫出来通过通道，如果压力超过预定的大小，允许在罐中释放压力。

2. 发明授权

US4606367A Apparatus and method for relieving pressure within a high pressure tank 失效
标题翻译：在高压罐内释放压力的装置和方法
公开(公告)号：US4606367A
公开(公告)日：1986-08-19
申请号：US719690
申请日：1985-04-04
申请人： Franklin J. Britt
发明人： Franklin J. Britt
IPC分类号： F16K1/14 , F17C13/12 , F16K17/40 , F16K24/00
CPC分类号： F17C13/12 , F16K1/14 , F17C2205/0329 , F17C2205/0332 , F17C2205/0382 , F17C2205/0394 , F17C2260/021 , Y10S137/901 , Y10T137/0458 , Y10T137/1632 , Y10T137/6191
摘要： An apparatus and associated method for relieving the pressure within a high pressure tank having an opening plugged by a broken safety valve of a special type utilizes a mechanism acting between the annular flange of the tank normally provided for the securement of a valve protector cap and the valve to permit pressurized contents confined within the tank to escape through the valve. The special valve includes a flow passage in axial alignment with the tank opening in which the valve portion is received and defines a ball chamber in which a spherical ball is seated. The apparatus of the invention includes a stem which is movable through the valve portion flow passage for engagement with the spherical ball to thereby unseat the ball and open the valve flow passage. By unseating the ball, contents of the tank pass out of the valve flow passage and are directed either into the atmosphere or another vessel for reclaiming purposes. The method of the invention includes the steps of utilizing the apparatus of the invention.
摘要翻译：一种用于减轻高压罐内的压力的装置和相关方法，该高压罐具有由特殊类型的断开的安全阀堵塞的开口，利用在通常设置用于固定阀保护盖的罐的环形凸缘和阀门允许限制在罐内的加压内容物通过阀门逸出。该特殊阀包括与容器开口轴向对准的流动通道，其中阀部分被容纳在其中，并且限定了一个球室，球形球就位于该球室中。本发明的装置包括一个杆，可以通过阀部分流动通道移动，以与球形球接合，从而使球脱离球并打开阀流动通道。通过放开球，罐的内容物通过阀流动通道，并被引导到大气或另一个容器中用于回收目的。本发明的方法包括利用本发明的装置的步骤。

3. 发明授权

US4562852A Safety valve 失效
标题翻译：安全阀门
公开(公告)号：US4562852A
公开(公告)日：1986-01-07
申请号：US642201
申请日：1984-08-20
申请人： Franklin J. Britt
发明人： Franklin J. Britt
IPC分类号： F16K1/30 , F17C13/04 , F16K17/40 , F16K43/00
CPC分类号： F16K1/305 , F16K1/307 , F17C13/04 , F17C2205/0329 , F17C2205/0332 , F17C2205/0382 , F17C2205/0394 , Y10S137/901 , Y10T137/1654 , Y10T137/6191 , Y10T137/88054
摘要： A combination safety and service valve including a body having a sealing portion for closing an opening in a high-pressure tank and an external portion which, when the sealing portion closes the tank opening, is positioned externally of the tank utilizes a ball chamber in its flow passage and a spherical ball loosely received in the chamber for preventing the escape of contents of the tank if the external portion were to separate from the sealing portion. The ball chamber is adapted to sealingly accept the ball at its outlet end, and the ball is of such size that a pressure differential across the ball chamber urges the ball into sealing engagement with the ball chamber outlet. A stem associated with the external portion of the valve body prevents the ball from engaging the chamber outlet end until the external portion is separated from the sealing portion.
摘要翻译：一种组合安全和维修阀，包括具有用于关闭高压罐中的开口的密封部分的主体和当密封部分关闭罐开口时位于罐的外部的外部部分，其在其内部使用球室流动通道和松散地容纳在腔室中的球形球，用于防止外部部分与密封部分分离的罐内容物的逸出。球室适于在其出口端处密封地接受球，并且球的尺寸使得球室周围的压力差促使球与球室出口密封接合。与阀体的外部相关联的杆防止球接合室出口端，直到外部与密封部分分离。

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