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1. 发明公开

EP1916221A1 Emergency shutoff valve for use in a fuel dispensing system 有权转让
标题翻译： Einem Brennstoffausgabesystem中的Notabsperrventil zur Verwendung
公开(公告)号：EP1916221A1
公开(公告)日：2008-04-30
申请号：EP07254188.1
申请日：2007-10-22
申请人： Delaware Capital Formation, Inc.
发明人： Lauber, Matthew R. , Kesterman, James E.
IPC分类号： B67D5/32 , F16K17/40
CPC分类号： F16K17/40 , B67D7/3218 , Y10T137/1654
摘要： An emergency shutoff valve (20,130,200,300,330) is provided that includes a housing (30) defining a fluid inlet (50), a fluid outlet (52) and a fluid flow passage (54) extending therebetween. The valve includes a valve element (62) disposed within the housing and releasably latched in an open position by a latching mechanism (74). An expansible member (100) defines at least a portion of a sealed expansible chamber (108) that is sealed at locations downstream and upstream of a weakened portion (94) of the housing. The emergency shutoff valve defines a failure mode wherein the structural integrity of the housing is compromised to an extent wherein fuel can flow into the expansible chamber when a predetermined load (122) is applied to a portion of the housing, wherein the expansible member is operable for uncoupling the latching mechanism so that the valve element moves from the open position to the closed position.
摘要翻译：提供了紧急截止阀（20,130,200,300,330），其包括限定流体入口（50）的壳体（30），在其间延伸的流体出口（52）和流体流动通道（54）。阀包括设置在壳体内的阀元件（62），并通过锁定机构（74）可释放地锁定在打开位置。可膨胀构件（100）限定密封的可膨胀室（108）的至少一部分，其被密封在壳体的弱化部分（94）的下游和上游的位置处。紧急截止阀限定了故障模式，其中当将预定负载（122）施加到壳体的一部分时，壳体的结构完整性受到影响，其中燃料可以流入可膨胀室，其中可膨胀构件可操作用于使闭锁机构解耦，使得阀元件从打开位置移动到关闭位置。

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