Electrical power steering mechanism of the rack and pinion type for motor vehicles
US4572314A · kind A · utility
17Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/0448
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The electrical power steering mechanism comprises an electric motor (30) whose stator is mounted in the steering box (10) and whose rotor (32) is disposed coaxially around a cylindrical portion of the rack structure (40) provided with helicoidal grooves (41) and forming a screw of a ball circuit mechanism in cooperation with a nut structure (33) having helicoidal grooves (35) and fastened to the rotor (32), the drive pinion (20), typically a Novikof profile globoidal pinion, meshing directly with the ball circulation helicoidal grooves (41) of the rack (40).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.