发明名称 Electronic/magnetic apparatus and method for detecting fluid level
摘要 A fluid level detector comprises a tank including a sleeve portion extending vertically from a bottom section of the tank to a top section of the tank, and sensor device mounted to a circuit board connected at one end to monitoring device, with the circuit board being inserted into the sleeve. There is a circular float assembly with a center aperture. The circular float assembly includes a pair of magnets mounted in push-pull orientation at opposite sides of the aperture within the float assembly. The float assembly is slidably positioned over the sleeve whereby the float assembly moves up and down the sleeve as the water level changes in the tank, wherein the sensor device generate a signal representing detection of fluid level by the sensor device when the fluid level in the tank is substantially at the level of the sensor device.
申请公布号 US5156048(A) 申请公布日期 1992.10.20
申请号 US19910808860 申请日期 1991.12.17
申请人 PITNEY BOWES INC. 发明人 DEFIGUEIREDO, CARLOS L.;DOUTNEY, GEORGE J.
分类号 G01F23/74 主分类号 G01F23/74
代理机构 代理人
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