Magnetostrictive torque sensor utilizing RFe.sub.2 -based composite materials
US5907105A · kind A · utility
26Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Jul 21, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L3/103
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention provides an improvement to magnetostrictive torque sensors giving an output signal indicative of the torque applied about the axis of a shaft where the shaft includes a magnetostrictive ring, attached to or formed as a part of the shaft so that the torque applied to the shaft is applied proportionally to the ring, and the ring consists essentially of novel composites consisting of magnetically hard and highly magnetostrictive rare earth (iron).sub.2 binary compound particles embedded in Cu, Fe, or other suitable metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.