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Diagnostic system for measuring acceleration of a demolition hammer

  • US 10,179,424 B2
  • Filed: 10/28/2015
  • Issued: 01/15/2019
  • Est. Priority Date: 10/28/2015
  • Status: Active Grant
First Claim
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1. A reciprocating hammer, comprising:

  • a piston configured for reciprocating movement within a cylinder housing;

    a magnet configured to move relative to a conductor and to induce, via electromagnetic induction and based on the reciprocating movement of the piston, an electric current in the conductor;

    an energy storage device electrically coupled with the conductor and configured to store electrical energy based on the electric current induced by the magnet;

    a sensor configured to measure a parameter associated with the reciprocating hammer;

    a communication device electrically coupled with the energy storage device and configured to output a signal indicative of the parameter; and

    wherein the magnet, energy storage device, sensor, and communication device are attached to the piston such that they move with the piston during reciprocating movement.

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