High power ultrasonic transducer
US6137209A · kind A · utility
43Cited by
3References
7Claims
0Family size
Inventors
Key dates
| Filing date | Jul 7, 1999 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Jul 7, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/004
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method to improve the high output characteristics of a ultrasonic transducer 1 by urging a cooling gas 13 to flow through the transducer, thereby passing a cooling member 18 between at least one pair of adjacent piezoelectric elements 6, 7. In a preferred embodiment sulfurhexafluoride (SF.sub.6) is used as cooling gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.