Fluid working machine and method of operating a fluid working machine
US8870553B2 · kind B2 · utility
3Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2011 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Sep 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P80/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid working machine comprising a controller and a working chamber, an electronically controllable low pressure valve associated therewith and a fast high pressure valve associated therewith, characterized in that the working chamber has associated therewith a slow high pressure valve for controlling the connection of the working chamber to a secondary high pressure manifold. A fluid working machine according to the invention may be operated to rotate its shaft to a certain position, for example to allow easy maintenance of a wind turbine generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.