Method for manufacturing magnetostrictive shaft applicable to magnetostriction type torque sensor and magnetostrictive shaft manufactured by the method thereof
US5562004A · kind A · utility
13Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N35/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a method for manufacturing a magnetostrictive shaft applicable to a magnetostrictive torque sensor and a product of the magnetostrictive shaft manufactured by the above-described method, a magnetostrictive shaft manufactured by the above-described method, a magnetostrictive shaft is made of an Fe--Al alloy having an aluminum content ranging from 13 wt % to 16 wt %. A shaft material constituted by the magnetostrictive shaft is mechanically worked and heated for a predetermined time duration up to a predetermined temperature and being oil quenched under an Argon gas temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.