Slide valve, percussion device and method
US9938770B2 · kind B2 · utility
0Cited by
22References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2013 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Nov 25, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/351
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A slide valve for a hydraulic percussion device. The slide valve includes a transition surface that is arranged to alternately be subjected to a working pressure and a tank pressure to carry out a reciprocating movement when the percussion device is in use. The slide valve includes at least one channel that is open at one end of the slide valve, and at least one displaceable pin that is arranged inside the at least one channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.