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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0907681 (1978-05-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
A measuring cylinder has at its ends an inlet and an outlet connected in a fluid system in series with a flowmeter. A measuring piston is adapted to travel through the measuring cylinder as a fluid barrier. A poppet valve on the inlet side of the measuring piston is adapted to seal a passage through
Apparatus for measuring fluid flow comprising: a main conduit through which fluid flows from an upstream position to a downstream position; a main movable member located within the conduit; a passage through the main member providing a path for fluid flow from the upstream position to the downstream
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