Torque sensor device
US10067015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Aug 26, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L5/221
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a torque sensor device disposed between an input shaft and an output shaft and configured to detect a torque between the input shaft and the output shaft through a relative rotation displacement therebetween. The torque sensor device includes: a housing configured to accommodate an end of the input shaft and an end of the output shaft and fixed in position to be able to perform a relative rotation with respect to the input shaft and the output shaft: a magnet unit accommodated in the housing and including a magnet ring connected to one end of one of the input shaft and the output shaft so as to be rotatably accommodated in the housing; a collector unit fixed in position to the housing in such a manner as to be disposed at the outside of the magnet unit, and configured to focus a magnetic field generated from the magnet unit; a sensing unit including a torque sensor disposed at the outer circumference of the collector unit and configured to detect the magnetic field focused by the collector unit; and a shield ring unit interposed between the collector unit and the magnet unit in such a manner as to be connected to one end of the other of the input shaf…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.