Apparatus and method for attenuating acoustic waves propagating within a pipe wall
US7624650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2007 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | Sep 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/74
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for damping an ultrasonic signal propagating in the wall of a pipe, the apparatus including at least one damping structure for securing at least one sensor to the wall of the pipe, wherein the at least one sensor includes a transmitter component and a receiver component for transmitting and receiving an ultrasonic signal, wherein the at least one damping structure is associated with the outer wall of the pipe for damping the ultrasonic signal propagating within the wall of the pipe and a processor that defines a convective ridge in the k-ω plane in response to the ultrasonic signals, and determines the slope of at least a portion of the convective ridge to determine the flow velocity of the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.