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STEAM TURBINE DRUM NOZZLE HAVING ALIGNMENT FEATURE, RELATED ASSEMBLY, STEAM TURBINE AND STORAGE MEDIUM

  • US 20170292391A1
  • Filed: 04/06/2016
  • Published: 10/12/2017
  • Est. Priority Date: 04/06/2016
  • Status: Active Grant
First Claim
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1. A steam turbine drum nozzle comprising:

  • an airfoil;

    a radially inner sidewall coupled with a first end of the airfoil; and

    a radially outer sidewall coupled with a second end of the airfoil, the second end opposing the first end, wherein the radially outer sidewall includes;

    a first section radially outward of the airfoil;

    a thinned section coupled with the first section; and

    a second section coupled with the thinned section radially outward of the airfoil, the second section having a radially outer face and a circumferentially facing side abutting the radially outer face,wherein the second section includes a circumferentially extending slot, and wherein the second section includes a relief slot extending into a body of the second section from the circumferentially facing side.

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