Ultrasound speed measurement of temperature and pressure
US6786102B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2003 |
| Grant date | Sep 7, 2004 |
| Priority date | — |
| Expiry date | May 12, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/02836
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for using ultrasound to measure speed and acceleration in fluids is provided. Three exemplary embodiments are disclosed. The first exemplary embodiment measures fluid velocity, such as, for example, wind, under standard atmospheric pressure-temperature. The second exemplary embodiment measures gas velocity, such as, for example, wind, affected by and automatically calibrates for pressure-temperature. The third exemplary embodiment measures gas density, such as, for example, density altitude. Applications of the invention include wind direction and speed calculation in agriculture, aviation, hydraulics, and other industries. One of the advantages provided by the invention is there are no moving parts in making such measurements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.