Liquid level sensor
US6408692B1 · kind B1 · utility
16Cited by
28References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1997 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Nov 20, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/303
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid level sensor is provided that comprises an integral housing including therein a pickup tube, a return tube and a float cavity with a float positioned therein. Sensors are positioned within the float cavity for sensing the position of the float so as to determine the level of liquid within a tank or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.