Fluid-Working Machine with Multi-Lobe Ring Cam
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United States of America Patent
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app pub date -
Feb 18, 2011
filing date -
Aug 17, 2010
priority date (Note) -
Abandoned
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Abstract
A fluid-working machine for a renewable energy generation device, the fluid-working machine comprising a ring cam and a plurality of working chambers, the ring cam having an annular working surface extending around an axis of rotation of the ring cam, the annular working surface defining a plurality of waves, each working chamber having a piston, each piston in operative engagement with the ring cam working surface, the ring cam and working chambers being mounted to rotate relative to each other, cycles of working chamber volume being thereby coupled to rotation of the ring cam relative to the working chambers, characterised in that the individual waves of the ring cam working surface have an asymmetric profile.
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