Transducer apparatus and method for assembling a transducer apparatus
US9027406B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Mar 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to one aspect of the invention, a transducer apparatus is provided that includes a core section, a transducer disposed in the core section, the transducer configured to transmit or receive signals and a tubular member mounted to the core section for relative rotation, wherein a fluid is disposed in the tubular member. The apparatus further includes a weight reduction device disposed inside the tubular member to occupy a volume inside the tubular member, wherein the weight reduction device is configured to provide a transmission path from the transducer to the tubular member via the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.