Axial piston pump with pistons having metallic sealing rings
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United States of America Patent
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Jan 14, 2014
Grant Date -
Jun 14, 2012
app pub date -
Feb 25, 2012
filing date -
Apr 7, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An axial piston pump, comprising a cylinder block having one or more cylinder bores; and one or more piston assemblies; wherein number of piston assemblies matches number of cylinder bores; wherein each of the piston assemblies having a piston being disposed reciprocating in each of the cylinder bores; and wherein each piston being fitted with a metallic sealing ring, which is a coiled felt seal (CFS), for reducing leakage and keeping concentric of the piston within its corresponding cylinder bore.
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