System for wirelessly supplying a large number of actuators of a machine with electrical power

  • US 6,597,076 B2
  • Filed: 12/11/2001
  • Issued: 07/22/2003
  • Est. Priority Date: 06/11/1999
  • Status: Active Grant
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First Claim
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1. A system for a machine having a large number of actuators, comprising:

  • a machine having a large number of actuators;

    a medium-frequency oscillator;

    a process computer for said machine;

    a central transmission device for transmitting radio signals, said transmission device connected to said process computer; and

    at least one primary winding for producing a medium-frequency magnetic field for applying said actuators with electrical power without using wires, said primary winding being fed from said medium-frequency oscillator;

    each one of said actuators having a plurality of mutually orthogonal secondary windings suitable for drawing power from the medium-frequency magnetic field; and

    each one of said actuators being equipped with a receiving device independent of said secondary windings for receiving the radio signals from said central transmission device.

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