Power steering device
US9994250B2 · kind B2 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 14, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L5/221
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A steering shaft 10 is constructed by an input shaft 11, an intermediate shaft 13 connected to the input shaft 11 through a first torsion bar 12 and an output shaft 15 connected to the intermediate shaft 13 through a second torsion bar 14, and around the input shaft 11, there is provided a first resolver 51 for detecting a rotation angle of the input shaft 11 and around the intermediate shaft 13, there is provided a second resolver 52 for detecting a rotation angle of the intermediate shaft 13, and the first and second resolvers 51 and 52 are arranged to constitute a torque sensor TS that detects a steering torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.