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MID-TURBINE FRAME WITH TENSIONED SPOKES

  • US 20140102110A1
  • Filed: 07/13/2012
  • Published: 04/17/2014
  • Est. Priority Date: 07/13/2012
  • Status: Active Grant
First Claim
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1. A gas turbine engine comprising:

  • a combustor;

    a first turbine section in fluid communication with the combustor;

    a second turbine section in fluid communication with the first turbine section; and

    a mid-turbine frame located axially between the first turbine section and the second turbine section, the mid-turbine frame comprising;

    an outer frame case;

    an inner frame case; and

    at least a first spoke connecting the outer frame case to the inner frame case, wherein the first spoke is tightened so as to be in tension during substantially all operating conditions of the gas turbine engine.

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