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CONSTRUCTION MACHINE ENERGY REGENERATION APPARATUS

  • US 20160122980A1
  • Filed: 08/04/2014
  • Published: 05/05/2016
  • Est. Priority Date: 08/05/2013
  • Status: Abandoned Application
First Claim
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1. A construction machine energy regeneration apparatus of a construction machine, the construction machine including a first operating part and a second operating part, which are driven by a hydraulic fluid, the first operating part including a boom, a turning unit, or a running unit, the second operating part including an arm, a bucket, or an engine-assisting hydraulic motor, the construction machine energy regeneration apparatus comprising:

  • a movable weight provided in the construction machine and movable vertically; and

    a power-transmitting hydraulic circuit, which moves the movable weight upward by utilizing energy that is generated when the boom, the arm, or the bucket moves in a gravitational direction or energy that is generated when a brake is applied to bring the turning unit or the running unit to a stop, and utilizes potential energy of the movable weight as energy for driving the first operating part or the second operating part.

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