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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0562557 (1983-12-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 1 |
For use at the apex of a pipe line adapted for air and water flow, there is a housing extending along a vertical axis and having an axial, bottom opening surrounded by a bottom valve seat and affording communication between the interior of the line and the interior of the housing. A similar axial, t
An air release and anti-siphon valve comprising a housing having an axis adapted to be disposed vertically, means at the bottom of said housing and including a first opening to the apex of a fluid line and to the interior of said housing, a first valve seat within said housing and surrounding said f
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