Fluid working machine and method of operating a fluid working machine
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United States of America Patent
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Oct 28, 2014
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N/A
app pub date -
Feb 23, 2011
filing date -
Feb 23, 2010
priority date (Note) -
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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.
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