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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0171266 (1988-03-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 3 |
An inertially operated valve for a fluid conduit which upon occuring a jarring force, such as an earthquake, the valve is moved to a shut-off position. The shut-off position occurs when a plug is caused to be jarred free from a holding position and then fall by gravity to block the flow of fluid thr
A valve for preventing flow of a fluid within a conduit comprising: a housing, said housing including a fluid passage, said housing including an internal chamber, said internal chamber having an upper end and a lower end, said lower end connecting with said fluid passage, said upper end being spaced
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