Regenerative hydraulic lift system
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United States of America Patent
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Dec 27, 2011
Grant Date -
N/A
app pub date -
Oct 10, 2006
filing date -
Dec 1, 2003
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A hydraulic cylinder assembly for a fluid pump including a cylinder, a bearing attached to an approximate first end of the cylinder, a rod slideably mounted within the bearing, and a piston located about an end of the rod in the cylinder opposite the bearing. A central axis of the rod is offset from, and parallel to, a centerline of the cylinder to impede a rotation of the piston about the rod. The hydraulic cylinder assembly further including a hydraulic pump fluidly connected to the cylinder, the pump configured to provide a hydraulic pressure to the cylinder during an up-stroke of the piston and rod and the pump further configured to generate electricity on the down-stroke of the piston and rod.
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