Measuring low flowrates
US4397189A · kind A · utility
50Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Apr 28, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Measuring the flowrate of a liquid by directing the liquid to a vertically-positioned collection tube, periodically sensing the height of liquid in the tube, and averaging a plurality of data points to obtain an average flowrate value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.