Measuring equipment for acoustic determination of the specific gravity of liquids
US4297608A · kind A · utility
17Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 1980 |
| Grant date | Oct 27, 1981 |
| Priority date | — |
| Expiry date | May 1, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/02818
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a measuring probe for the acoustic determination of the specific gravity of a liquid. The probe includes a holder to which is attached at opposite ends thereof a ceramic piezoelectric transducer disc and a reflector disk. A reference element having a known acoustical impedance has one end thereof abutting the transducer disc and the other end thereof spaced from the reflector disc to form a sampling space therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.