Title:
GAS TURBINE DISC
Document Type and Number:
WIPO Patent Application WO/2017/057993
Kind Code:
A1
Abstract:
The disclosed invention relates to a gas turbine disc comprising: a rotor part comprising a plurality of blades and a plurality of discs having the plurality of blades arranged on the outer circumferential surfaces thereof; and a tie bolt passing through a bore part, which is a hollow part of the plurality of discs, thereby coupling the plurality of discs along a central shaft of the rotor part, wherein the diameter of the bore part is greater than the diameter of the tie bolt, and the bore part comprises groove flow channels formed so as to be spaced apart in the circumferential direction of the bore part, wherein the groove flow channels have cooling air flow in the inside spaces thereof by having long grooves formed in the axial direction of the bore part.
Inventors:
JUNG SUNG CHUL (KR)
Application Number:
PCT/KR2016/011070
Publication Date:
April 06, 2017
Filing Date:
October 04, 2016
Export Citation:
Assignee:
DOOSAN HEAVY IND CONSTR CO LTD (KR)
International Classes:
F01D5/06; F01D5/08
Foreign References:
| KR101509382B1 | 2015-04-07 | |||
| US20150240644A1 | 2015-08-27 | |||
| JP2010520968A | 2010-06-17 | |||
| JP2005048771A | 2005-02-24 | |||
| KR20100102211A | 2010-09-20 |
Attorney, Agent or Firm:
LEE, Young Kyu et al. (KR)
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