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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
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출원번호 | US-0831176 (1986-02-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
This is a device for injecting air into a water supply under pressure in a closed system. One embodiment consists of two sliding pistons inside a closed housing. The two pistons are connected to each other by a connecting rod. They are positioned so that they slide alternately toward one end of said
A device to inject air into water under pressure comprising: An enclosed elongated housing around two pistons connected to each other by a connecting rod, and positioned to slide alternately toward one end of said housing and then toward the other, said pistons being propelled back and forth by wate
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