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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0011810 (1993-02-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 23 인용 특허 : 0 |
An automatic control for a liquid pump which assures that the pump starts pumping when the liquid reaches a predetermined level and the pump is stopped when the level has fallen to a second predetermined level. The control includes a permanent magnet mounted in a float that is contained within a flo
A control for a pump comprising, a housing, a pump motor mounted in said housing, an impeller attached to said pump motor and mounted in a lower portion of said housing so as to impel liquid through a discharge opening in said housing, a float chamber attached to said housing, a float moveably mount
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