Inductance liquid level meter
US4627280A · kind A · utility
23Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1985 |
| Grant date | Dec 9, 1986 |
| Priority date | — |
| Expiry date | May 30, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/76
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a liquid level meter, comprising a coil having a core, a float which is provided at the external circumference of coil so that it can move in the longitudinal direction along the same core and comprises a conductor ring, a detector which detects change of inductance of coil in accordance with movement of said float namely conductor ring, a converting circuit which converts change of inductance detected by the detector into change of voltage and a liquid level indicator which is driven by a drive circuit in accordance with such conversion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.