Title:
TURBINE AEROFOIL
Document Type and Number:
Japanese Patent JP3111183
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To attain uniform cooling with keeping the centrifugal load transmission strength.
SOLUTION: A turbine aerofoil 12 has a plurality of internal ribs 34 and 36 that are joined to the 1st and 2nd side walls facing to each other horizontally, in which a pair of meander cooling circuits 38a and 38b are composed. A span rib 34 vertically extends between a root 26 and a tip 28 of the aerofoil. Each part of the meander cooling circuit is composed of the inclined rib 36 that extends from both sides of the span rib 34 for outside.
Inventors:
Ching-Pang Lee
Application Number:
JP36014098A
Publication Date:
November 20, 2000
Filing Date:
December 18, 1998
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F01D5/18; F01D9/02; (IPC1-7): F01D5/18; F01D9/02
Domestic Patent References:
| JP6167201A | ||||
| JP510101A | ||||
| JP9195703A | ||||
| JP5117611U |
Other References:
【文献】米国特許5356265(US,A)
【文献】英国特許出願公開2112468(GB,A)
【文献】英国特許出願公開2112468(GB,A)
Attorney, Agent or Firm:
Kenichi Matsumoto