Variable differential transformer for position monitoring
US11150112B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2016 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Apr 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/2013
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic sensor includes a signal generator configured to output a first excitation signal and a second excitation signal and a variable differential transformer connected to the signal generator to receive the first excitation signal and the second excitation signal. The variable differential transformer may include a primary coil, a first secondary coil connected to the signal generator, a second secondary coil connected to the signal generator, and a core disposed at least partially in a magnetic field generated via the first secondary coil and the second secondary coil and the first excitation signal and the second excitation signal. A phase of an output signal of the primary coil corresponds to a position of the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.