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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0928879 (1978-07-28) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A vacuum flush water closet having a bowl and rim which are made from steel stampings covered with chemical resistant porcelain. The water closet has a self-contained flushing water and sewage valve discharge control system which is operatively mounted around the bowl and enclosed by an outer shroud
A fluid flow activation switch, comprising: (a) a housing having a cylindrical chamber open at one end to the atmosphere and closed at the other end; (b) a circular flexible diaphragm member disposed in said cylindrical chamber and having a circular periphery sealingly fixed to the housing to divide
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