Hydraulic steering
US7997379B2 · kind B2 · utility
7Cited by
16References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2007 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jan 30, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/093
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention concerns a hydraulic steering (1) with a steering valve (7) located between a supply connection arrangement (P, T) and a steering motor (2). It is endeavored to improve the safety of such a steering. For this purpose, the steering valve (7) has a hydraulic drive (9, 10) with a pilot valve arrangement (11) supplied by a pressure control valve (5), a stop valve (16) being located between the pressure control valve (5) and the pilot valve arrangement (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.