Fluid for filling sonar transducers
US3961305A · kind A · utility
6Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1975 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Feb 14, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A transducer of acoustic energy through seawater couples its active element o an acoustic window using polyalkylene glycol. The particular polyalkylene glycol selected exhibits improved acoustic, chemical, physical, and environmental properties. Two satisfactory liquids marketed under the trade designation's "UCON Transducer Fluid 28" and "UCON Lubricant LB-135" have satisfactory properties for being the coupling medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.