Crystalline transducer with ac-cut temperature crystal
US5299868A · kind A · utility
10Cited by
17References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1993 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Feb 3, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L9/0022
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method for sensing temperature in an oil or gas well use an AC-cut temperature crystal connected to a Z-cut crystalline member contained in a crystalline housing that can be subjected to high pressures and temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.