Apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe
US5359897A · kind A · utility
39Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1992 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Feb 7, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N29/024
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe uses a modified pipe in which flat members seal apertures in the pipe and two transducers are attached to respective fiat members, wherein the material around each aperture curves away from the centre of the pipe towards the periphery of the aperture and contacts the respective flat member along the entire periphery of the aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.