Torque sensor apparatus
US8800388B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 17, 2012 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L3/104
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A torsion bar has first and second end portions that are fixed to input and output shafts, respectively, to coaxially connect between the input and output shafts. A multipolar magnet is fixed to the input shaft. First and second magnetic yokes are fixed to the output shaft. Magnetic sensors are held between magnetic flux collecting portions of first and second magnetic flux collecting rings, which are magnetically coupled to the first and second magnetic yokes, respectively. In each of the magnetic flux collecting portion, a connecting section and a mounting section are configured such that a width of the connecting section is smaller than a width of the mounting section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.