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Thermally insulating turbine coupling

  • US 8,840,359 B2
  • Filed: 10/13/2011
  • Issued: 09/23/2014
  • Est. Priority Date: 10/13/2010
  • Status: Active Grant
First Claim
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1. A rotor assembly, comprising:

  • at least one driven member;

    at least one driving member;

    at least one rotating thermal insulator rigidly attached to the driven member, wherein the rotating thermal insulator is made from a ceramic material; and

    a coupling feature comprising mating geometric surfaces on the driven member and the driving member, wherein the geometric surfaces are configured to allow radial sliding, relative centering, torque transmission, and axial constraint between the driven member and the driving member.

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