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HYBRID DRIVE FOR HYDRAULIC POWER

  • US 20090236156A1
  • Filed: 03/20/2008
  • Published: 09/24/2009
  • Est. Priority Date: 03/20/2008
  • Status: Active Grant
First Claim
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1. A power supply for powering a hydraulic implement, the power supply comprising:

  • an electric storage unit;

    an electric motor, an electric generator, a hydraulic pump and a control unit;

    the electric motor adapted for receiving electric power and driving the hydraulic pump to power the hydraulic implement;

    the electric generator adapted for translating mechanical energy from a power take off into the electric power;

    the electric storage unit also being adapted for providing the electric power; and

    the control unit configured for selecting a source of the electric power from one of the generator and the electric storage unit.

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