Device for generating acoustic waves in a liquid medium
US3949831A · kind A · utility
9Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1974 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | Apr 29, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/135
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for generating acoustic waves in a liquid, comprising two hollow enclosures communicating through a narrow passageway, a valve interposed in said passage way for controlling said communication, means for feeding a first one of said enclosures, in free communication with the ambient liquid, with pressurized fluid and suction means for reducing the pressure in the second enclosure to a level considerably lower than that prevailing in the first one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.