Regenerative hydraulic pump
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United States of America Patent
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Dec 1, 2015
Grant Date -
Jun 7, 2012
app pub date -
Dec 2, 2010
filing date -
Dec 2, 2010
priority date (Note) -
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Abstract
A regenerative hydraulic pump that allows for efficient operation of a hydraulic system under high pressure/low flow conditions that comprises a crankshaft providing a rotating inertial mass, and a regenerative hydraulic pump cylinder that comprises a pump cylinder housing, a pump piston mechanically connected to the crankshaft; and a compliant pressure chamber that stores a portion of the energy extracted by the pump piston during a pumping stroke for release back to the pump piston and to the crankshaft during a regenerative back stroke.
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