CONSTRUCTION MACHINE ENERGY REGENERATION APPARATUS
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Aug 4, 2014
filing date -
Aug 5, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A construction machine energy regeneration apparatus includes: a movable weight provided in a construction machine and movable vertically; and a power-transmitting hydraulic circuit, which moves the movable weight upward by utilizing energy that is generated when a boom, an arm, or a bucket moves in a gravitational direction or energy that is generated when a brake is applied to bring a turning unit or a running unit to a stop, and utilizes potential energy of the movable weight as energy for driving the boom or the arm.
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