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Energy generator

  • US 8,476,778 B2
  • Filed: 03/09/2010
  • Issued: 07/02/2013
  • Est. Priority Date: 03/09/2009
  • Status: Active Grant
First Claim
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1. An inertia driven energy harvester comprising:

  • a housing;

    a first arm comprising a body, said first arm coupled to said housing via a hinge connection permitting said first arm to swing responsive to a force of a surrounding environment from movement of the housing;

    a first mass attached to said first arm to swing with said first arm responsive to the force of the surrounding environment;

    a bumper that restricts the motion of said first arm as it swings;

    a first spring coupled to said housing and to an upper surface of said first arm to suspend said first arm from said housing, wherein said first spring has a spring rate of about 0.01 Nm/Deg to about 5.0 Nm/Deg adapted for capturing low frequency vibrations of said surrounding environment from the movement of the housing;

    a gearing system connected to said first arm for transferring a kinetic energy of said first arm as it swings; and

    a generator connected to said gearing system for transforming said kinetic energy transferred by the gearing system to the generator into electricity.

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