Valve unit and a fluid working machine comprising a valve unit
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Mar 3, 2014
filing date -
Mar 1, 2013
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Abstract
A valve unit for regulating the flow of working fluid between a working chamber of a fluid working machine and both a first working fluid line and second working fluid line, the valve unit comprising: a first valve comprising a first valve member and one or more cooperating first valve seats, a second valve comprising a second valve member and one or more cooperating second valve seats, an actuator coupled to both the first and second valve members through which a force may be applied to urge the first valve member open or closed and to urge the second valve member open or closed, a coupling between the actuator and the first valve member, wherein the coupling between the actuator and the first valve member comprises a connector which extends at least partially through the second valve member.
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