Automatic tank reading gauge
US4890493A · kind A · utility
3Cited by
8References
4Claims
0Family size
Inventors
Key dates
| Filing date | Aug 25, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Aug 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/40
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automatic reading gauge is provided and consists of an elongated flexible measuring member having a scale thereon with a float affixed to one end and a counterweight at other end. The measuring member is disposed within an O-shaped body having a weep hole, an air check valve and a top sight area. When the body is placed through a filler hole to extend to bottom of a tank, the amount of fluid within the tank will be indicated at the top sight area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.