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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0471683 (1990-01-29) |
우선권정보 | AU-0005507 (1986-04-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 1 |
A valve is disclosed which includes a first magnetic sensing means (71) and a closely positioned second magnetic sensing means (73). A valve shaft carries magnetic material (91) which is moved as the valve is opened or closed. The first magnetic sensing means (71) is magnetically held in one of its
A device for sensing the open and/or closed position of a valve, comprising: (a) a valve for controlling the supply of fluids or other materials, said valve being of the type which is operable to be in a first position in which said valve is in one of a fully open and fully closed position and furth
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