Power steering system for vehicle
US5769178A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 23, 1996 |
| Grant date | Jun 23, 1998 |
| Priority date | — |
| Expiry date | May 23, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The power steering system for a vehicle includes a steering wheel, a torsion bar fixed to the steering wheel to rotate therewith, a hydraulic control unit for controlling hydraulic pressure generating from an oil pump in accordance with the rotation of the torsion bar, the hydraulic control unit being mounted around the torsion bar, and a power cylinder separated from the torsion bar and receiving the hydraulic pressure from the hydraulic control unit, the power cylinder having a piston meshed with a sector gear which is connected with a pitman arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.