Electro-acoustic transducer insulation structure
US5220538A · kind A · utility
9Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1991 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Aug 8, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0633
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A bonded insulator flexural transducer for use in sonar applications includes a hollow metal tube having an inner surface, a segmented ceramic electromechanical driver disposed along an inner surface of the tube and a bonded insulator disposed between the segmented driver and the metal tube. The bonded insulator includes a high dielectric strength film, a layer of a binding fiber material, and a layer of epoxy. The dielectric film provides the electrical isolation between the driver and the shell and the binding fiber material provides a reliable bond by effectively trapping the epoxy between the driver and shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.