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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0705359 (1985-02-22) |
우선권정보 | CA-0414853 (1982-11-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 4 |
In a swimming pool, or other open-to-sunlight water system, algae is controlled, as disclosed, by ionisation from a single metal, i.e., zinc. The zinc is mounted in a jacket that is built into the pipework of the pool, as a plurality of metallic zinc discs mounted in a plastic jacket or sleeve which
A water re-circulation system comprising: an open tank, which contains a body of water, which is open to sunlight and to the atmosphere; feed and return pipes connected to the tank; where the system is arranged so that the water, when in the tank, moves only imperceptibly during re-circulation, but
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