Hydraulic valve system
US6805161B2 · kind B2 · utility
3Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2003 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Apr 24, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87241
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic valve system (1) has a supply connection arrangement, having a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, having two working connections (A, B), which can be connected with a hydraulic motor (2), and a directional valve (4) between the supply connection arrangement (P, T) and the working connection arrangement (A, B), which is connected with the working connection arrangement (A, B) via working lines (17, 18), in which are arranged check valves (21, 22), which can be opened by means of pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.