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1. (US20070000671) Diaphragm latch valve

특허청 : 미국
출원번호: 11172353 출원일: 30.06.2005
공개번호: 20070000671 공개일: 04.01.2007
특허번호: 7543653 특허부여일: 09.06.2009
공개유형: B2
IPC:
A62C 35/00
A SECTION A — 생활필수품 농업
62
인명구조; 소방
C
소방
35
영구히 설치된 소방설비
출원인: Victaulic Company
발명자: Reilly William J.
Blease Kevin J.
Banis Joseph K.
대리인: Ballard Spahr Andrews and Ingersoll, LLP
우선권 정보
발명의 명칭: (EN) Diaphragm latch valve
요약서: 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.