Magnetically operated liquid level indicator
US4512190A · kind A · utility
29Cited by
10References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1982 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Apr 8, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S73/05
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid level indicator includes a magnetized float and a plurality of magnetized indicator elements which are pivoted by the float magnet and which have distinguishable opposite surfaces to provide the liquid level indication, the indicator elements being formed from a material which provides magnetic fields of opposite magnetic polarity which extend substantially continuously along the opposite edges of the indicator elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.