CONSTRUCTION MACHINE
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Oct 4, 2011
filing date -
Oct 14, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An object of the present invention is to provide a construction machine that is capable of effectively charging electrical power into the capacitor in consideration of the drive of a swing section and hydraulic work device. To achieve the object, the present invention grasps the status of the construction machine (2) in advance to calculate energy, predicts the next operation, determines the amount of energy to be charged into a capacitor (13), and controls a DC-DC converter (15) accordingly. Consequently, the loss in a conventional battery (lead storage battery) during regeneration can be reduced to provide increased efficiency.
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