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1. (WO2018132161) COOLING STRUCTURE FOR A TURBINE COMPONENT

Pub. No.:    WO/2018/132161    International Application No.:    PCT/US2017/060021
Publication Date: Fri Jul 20 01:59:59 CEST 2018 International Filing Date: Sat Nov 04 00:59:59 CET 2017
IPC: F01D 5/20
F01D 5/18
F01D 25/12
Applicants: GENERAL ELECTRIC COMPANY
Inventors: COOMER, Jessica, Elizabeth
BEYER, Matthew, Thomas
MOLTER, Stephen
SMITH, Aaron, Ezekiel
Title: COOLING STRUCTURE FOR A TURBINE COMPONENT
Abstract:
A tip cooling apparatus for a turbine airfoil includes: a tip cap; a pair of spaced-apart tip walls connected to, extending around, and projecting outwardly from the tip cap so as to surround a central portion of the tip cap; a pocket defined by the tip walls; at least one feed hole passing through the tip cap or tip walls, communicating with the pocket; and a cooling matrix disposed in the pocket, the cooling matrix being an organized structure including an inlet surface having a plurality of inlets communicating with the pocket and an outlet surface having a plurality of outlets, and further comprising a plurality of interior passages interconnecting the inlets to the outlets, with no line-of-sight therebetween.