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1. (WO2018140111) THERMAL ISOLATION STRUCTURE FOR ROTATING TURBINE FRAME

Pub. No.:    WO/2018/140111    International Application No.:    PCT/US2017/061011
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Nov 11 00:59:59 CET 2017
IPC: F01D 5/10
F01D 25/24
F01D 25/04
Applicants: GENERAL ELECTRIC COMPANY
Inventors: ZATORSKI, Darek, Tomasz
MILLER, Brandon, Wayne
WESLING, Richard
VAN DER MERWE, Gert, Johannes
Title: THERMAL ISOLATION STRUCTURE FOR ROTATING TURBINE FRAME
Abstract:
The present disclosure is directed to a gas turbine engine defining a radial direction, a circumferential direction, an axial centerline along a longitudinal direction, and wherein the gas turbine engine defines an upstream end and a downstream end along the longitudinal direction. The gas turbine engine includes a first turbine rotor comprising an inner shroud, an outer shroud outward of the inner shroud in the radial direction, at least one connecting airfoil coupling the inner shroud and the outer shroud at least partially along the radial direction, and an outer band outward of the outer shroud in the radial direction and extended at least partially in the circumferential direction, and a plurality of connecting members couples the outer shroud and the outer band.