Variable displacement radial piston fluid working machine
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United States of America Patent
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Apr 14, 2015
Issued Date -
N/A
app pub date -
Feb 23, 2011
filing date -
Feb 23, 2010
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Abstract
A variable displacement fluid working machine includes an inward ring and an outward ring, one of the inward ring and the outward ring including a rotatable ring cam coupled to a drive shaft, the other including a plurality of radially extending piston cylinders circumferentially spaced around the respective ring. The outward ring has first and second axially spaced structural members and a plurality of demountable blocks demountably retainable therebetween, the demountable blocks having either piston cylinders or ring cam segments. The demountable blocks are removable radially to facilitate maintenance and repair and to facilitate radial access to the inward ring.
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