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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0839560 (1992-02-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 45 인용 특허 : 0 |
The valve has a casing with inlet and outlet ports, and a valve opening bordered by a valve seat communicating the ports. A flexible diaphragm defines a control chamber and a pressure chamber on opposite sides thereof and moves between an open position clear of the seat, and a closed position agains
A control valve comprising: (a) casing means having an inlet port, an outlet port and an opening having a nominal opening area bordered by a valve seat and being disposed between the inlet and outlet ports to provide communication therebetween, (b) a flexible diaphragm secured to the casing means to
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