公开(公告)号：US5520209A

公开(公告)日：1996-05-28

申请号：US162729

申请日：1993-12-03

申请人： James R. Goins ,  John W. Ogle ,  James R. Ogle

发明人： James R. Goins ,  John W. Ogle ,  James R. Ogle

IPC分类号： F16K17/12 ,  F16K24/04 ,  F16K37/00 ,  F16K51/00

CPC分类号： F16K17/12 ,  Y10T137/4358 ,  Y10T137/4442 ,  Y10T137/5762 ,  Y10T137/7738 ,  Y10T137/7921 ,  Y10T137/8326

摘要： The present invention discloses a fluid relief device for relieving pressure of a fluid stored in a container or tank, or fluid used in a piece of equipment. In one aspect such a device has a body member with a primary channel therethrough in communication with a container of a contained fluid under pressure. When the pressure of the contained fluid under pressure exceeds a predetermined level, the pressure of the contained fluid moves a cover which is sealingly in place to close off the primary channel. During normal conditions the force of the contained fluid is insufficient to move the cover and leakage of the contained fluid past the cover is inhibited by the provision of a barrier fluid supplied into a barrier fluid chamber to oppose the contained fluid, the barrier fluid at a pressure greater than the normal pressure of the contained fluid. Seals may be provided on one or two sides of the barrier fluid chamber--a first seal to seal the primary channel-chamber interface and a second seal to seal the chamber-exterior interface. Fluid under pressure supplied to the chamber may leak past the first seal into the container. In one aspect an inert barrier fluid, e.g. nitrogen is used. Devices according to this invention may be used with pressure relief devices and vacuum relief devices.

摘要翻译： 本发明公开了一种用于减轻存储在容器或罐中的流体的压力或用于一件设备中的流体的流体释放装置。 在一个方面，这种装置具有主体构件，主体构件具有与通过其压紧的容纳流体的容器连通的主通道。 当被压缩的流体的压力超过预定水平时，所含流体的压力移动密封在适当位置的盖以封闭主通道。 在正常条件下，所容纳的流体的力不足以移动盖子，并且通过供应到阻挡流体室中以与所容纳的流体相对的阻挡流体，阻挡流体在一个 压力大于容纳流体的常压。 密封件可以设置在隔离流体室的一侧或两侧上 - 第一密封件用于密封主通道室接口和第二密封件以密封腔室 - 外部接口。 供应到腔室的压力下的流体可能会泄漏出第一个密封件进入容器。 在一个方面，惰性阻挡流体，例如， 使用氮气。 根据本发明的装置可以与减压装置和真空释放装置一起使用。