Gas turbine combustor exit duct and HP vane interface

Details Gas turbine combustor exit duct and HP vane interface Gas turbine combustor exit duct and HP vane interface

2006-09-15

2010-11-23

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

Having mounting or supporting structure

C060S752000, C060S760000, C060S788000, C415S139000, C415S190000, C415S209400

Reexamination Certificate

active

07836702

ABSTRACT:
An assembly for a gas turbine engine includes a combustor and a vane assembly disposed downstream thereof. A portion of an outer platform of the vane assembly defines an axial sliding joint connection with the combustor, and includes a plurality of depressions located in an outer circumferential surface thereof opposite the combustor. The depressions are disposed in regions of expected higher thermal growth about the circumference of the outer platform such that thermal growth of the entire outer platform is substantially uniform circumferentially therearound.

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Pratt & Whitney Canada JT15D-5F Maintenance Manual, selected pages from Chapter 72-50—Turbine Section.

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