Fluid working systems
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United States of America Patent
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Nov 15, 2022
Grant Date -
May 17, 2018
app pub date -
May 6, 2016
filing date -
May 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid working system such as a pump for displacing a working fluid such as hydraulic fluid or a motor using a working fluid is provided. The system may have a positive displacement machine which includes one or more working chamber with displacement means such as a cylinder with a reciprocating piston. There are also two or more fluid ports to allow the working fluid to flow into and out of the working chamber. The working fluid flows from one fluid port means to another either being forced to do so when pumped or moving the piston when functioning as an engine. The fluid working system has associated therewith a non-dead compliance volume of a material such as syntactic foam. This compliance volume acts to smooth any pressure fluctuations within the working fluid system.
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