Title:
The turbine blade form part which has the cast platform cooling circuit
Document Type and Number:
Japanese Patent JP6184035
Kind Code:
B2
Abstract:
A turbine airfoil apparatus includes: an airfoil including a concave pressure sidewall and a convex suction sidewall joined together at a leading edge and at a trailing edge; an endwall that projects laterally outwardly from the airfoil at one spanwise end thereof, the endwall having an outer surface facing the airfoil and an opposing inner surface; a plenum defined within the endwall between the inner and outer surfaces wherein the plenum is forked in plan view, with at least two branches, each branch terminating at a closed end, each branch having a throat disposed at its upstream end, wherein each throat has a relatively constricted flow area for increasing flow velocity; and at least one film cooling hole passing through the outer surface and communicating with the plenum.
Inventors:
Malter, Stephen Mark
Mark Edward, Sted Miller
Pearson, Sean Michael
Stephen Robert, Brassfield
Mark Edward, Sted Miller
Pearson, Sean Michael
Stephen Robert, Brassfield
Application Number:
JP2015517478A
Publication Date:
August 23, 2017
Filing Date:
June 17, 2013
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F01D5/18; F01D5/30; F01D9/02; F01D25/00; F02C7/00; F02C7/18
Domestic Patent References:
| JP2006329185A | ||||
| JP2007224919A | ||||
| JP11236805A | ||||
| JP2003027902A |
Foreign References:
| US20110123310 | ||||
| US20090232660 |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka