Electric power steering system
US6900564B2 · kind B2 · utility
15Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2002 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Jun 18, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/0221
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An electric power steering system is provided, which comprises a steering assist electric motor, and a reduction gear mechanism for reducing a rotation speed of a rotatable shaft of the electric motor. The reduction gear mechanism comprises a worm shaft driven by the rotatable shaft, and a worm wheel driven by the warm shaft. The electric power steering system further comprises a joint for coupling the rotatable shaft to the worm shaft for transmission of a driving force. Longitudinally biasing means is provided in association with the joint for longitudinally biasing the worm shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.