专利内容由知识产权出版社提供
专利名称：Liquid level sensor
发明人：Edgar A. Bongort,William T. Cruickshank申请号：US05/627518申请日：19751031公开号：US04056979A公开日：19771108
摘要：A liquid level sensor having a vertical guide tube with one or more magneticallyoperated switches therein at vertically spaced locations and a free float thereon whichrises and falls with the liquid level and as it passes each switch magnetically latches it inone condition until the float returns in the opposite direction and unlatches it. Theswitches may be normally open, normally closed, or any combination, so that movementof the float past the switches may provide any desired circuit sequence.
申请人：B/W CONTROLS INC.
代理机构：Burton, Parker & Schramm
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