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Steam turbine

  • US 6,345,952 B1
  • Filed: 07/14/1999
  • Issued: 02/12/2002
  • Est. Priority Date: 01/14/1997
  • Status: Expired due to Term
First Claim
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1. A steam turbine, consisting of:

  • a turbine axis;

    a turbine shaft directed along said turbine axis;

    a steam inlet;

    a steam outlet fluidically connected to said steam inlet;

    a plurality of turbine stages between said steam inlet and said steam outlet, each of said plurality of turbine stages having a reaction degree, a guide-blade structure and a moving-blade configuration, said guide-blade structure and said moving-blade configuration provided along said turbine shaft, said moving-blade configuration located axially downstream of said guide-blade structure, at least half of said plurality of turbine stages having an average reaction degree below 0.5, and at least two of said plurality of turbine stages having different average reaction degrees.

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