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Gas turbine

  • US 5,695,319 A
  • Filed: 04/04/1996
  • Issued: 12/09/1997
  • Est. Priority Date: 04/06/1995
  • Status: Expired due to Term
First Claim
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1. A gas turbine having a cooling system which cools the blades with vapor,wherein said cooling system comprises a supply passage for supplying vapor to at least first and second stage blades and a vapor recovery passage for recovering the vapor supplied to said at least first and second stage blades, said vapor recovery passage including a first passage portion formed in a joining portion joining a disc and an adjacent disc of a rotor of said gas turbine and a cavity formed between first and second stage discs and fluidly connected to said first passage portion.

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