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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0720452 (1985-04-08) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
The present invention provides a fluid handling device which operates as a combination check valve and fluid flow meter. The fluid handling device comprises a housing having an inlet, an outlet and a fluid passageway formed therebetween. A valve seat is contained within the housing in series with th
A fluid handling device comprising: a housing having an inlet, an outlet and a fluid passageway between said inlet and outlet, check valve means for preventing fluid flow through said passageway from said outlet and to said inlet, said valve means comprising a valve member and a valve seat contained
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