Flow sensor and impeller therefor
US6009763A · kind A · utility
13Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1997 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Jun 16, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An air flow sensor and impeller flow for use in industrial, agricultural and civil applications as well as in process control, emission control and measurement. The impeller is suspended for free rotation in a tube section and has a central core and a number of impeller blades extending from the core wherein at least one blade extends from the core to the adjacent inner wall of the tube section. The flow sensor is equipped with measuring means to measure the number of revolutions of the impeller per unit of time and to register an associated calibration speed of the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.