Steering systems
US4069889A · kind A · utility
2Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1976 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Nov 26, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/32
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A power steering system has a valve between the pump and steering unit. The valve maintains a constant pressure differential so that the pump is unable to deliver aerated fluid to the unit in the event of loss of fluid or fracture of a pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.