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1. (US20070000671) Diaphragm latch valve

专利局 : 美国
申请号: 11172353 申请日: 30.06.2005
公布号: 20070000671 公布日: 04.01.2007
授权号: 7543653 授权日: 09.06.2009
公布类型: B2
国际专利分类:
A62C 35/00
A 人类生活必需
62
救生;消防
C
灭火器
35
永久性安装的设备
申请人: Victaulic Company
发明人: Reilly William J.
Blease Kevin J.
Banis Joseph K.
代理人: Ballard Spahr Andrews and Ingersoll, LLP
优先权数据:
标题: (EN) Diaphragm latch valve
摘要: front page image
(EN)

A valve for fire suppression sprinkler systems is disclosed. The valve has a chamber with an inlet and an outlet. A closure member, positioned within the chamber, is movable to close and open the inlet. A latch engages the closure member to hold it in the closed position. The latch also engages a deformable diaphragm. The diaphragm deforms in response to pressure applied to it and allows the latch to move between a latched position engaged with the closure member and an unlatched position away from the closure member. When the diaphragm is depressurized it allows the latch to move and disengage from the closure member, which opens under fluid pressure from the inlet and allows fluid to flow through the valve.