Ultrasonic flowmeter
US4308754A · kind A · utility
40Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Oct 19, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P5/247
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic flowmeter for determining fluid flow velocity within a conduit by determining the difference in transit time between interrogating ultrasonic pulses transmitted upstream between a pair of transducers and transmitted downstream between them. A high frequency clock pulse operating for one or more cycles of interrogation allows for accurate digital computation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.