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Slip ring amplifier

  • US 5,952,762 A
  • Filed: 03/18/1998
  • Issued: 09/14/1999
  • Est. Priority Date: 03/18/1997
  • Status: Expired due to Fees
First Claim
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1. A slip ring amplifier apparatus mountable on a rotatable tubular member comprising:

  • sensor means mounted on a tubular member for sensing a parameter of the tubular member;

    a rotor adapted to be coupled to the tubular member;

    amplifier means, carried on the rotor and connected to the sensor means, for amplifying an output of the sensor means;

    a stator stationarily positioned adjacent to the rotor;

    a cavity formed between the rotor and the stator; and

    a slip ring mounted on one of the rotor and stator and electrically engagable with a leaf contact mounted on the other of the rotor and stator, andwherein the one slip ring is carried on the rotor and disposed in the cavity between the rotor and the stator; and

    the leaf contact is carried on the stator and is electrically engagable with the one slip ring; and

    an electrical conductor extending from the leaf contact externally of the stator.

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