Ultrasonic particulate sensing
US4214484A · kind A · utility
18Cited by
15References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1978 |
| Grant date | Jul 29, 1980 |
| Priority date | — |
| Expiry date | Oct 16, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N29/032
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pulse echo device for obtaining information about matter discontinuities in flowing fluid with a transmitter-receiver lens having a concave surface located to direct ultrasonic energy transversely to the direction of fluid flow and to a focal region and a blind hole surrounded by a ridge with an acoustical transducer therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.