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Electronics and FluidicsHydraulic and Pneumatic Equipment

Strutless Diffuser for Gas Turbine Engine.

Authors: G. H. Duncan III; D. L. Cooper; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Abstract:
This patent discloses an improved diffuser for a gas turbine engine which is mounted between a compressor section and a burner section. The diffuser eliminates struts by using the exit guide vanes of the compressor for support. The vanes are fixedly mounted to an inner case wall and to a double outer wall. A cantilevered case wall being one of the double outer walls can flex both radially and axially to relieve thermal stress in the vanes. Additionally, probes can be mounted in access ports formed in the double outer wall. Compressor leakage gas is prevented from entering voids in the double outer wall by a seal seated between the cantilevered case wall and the other case wall.

Description: Patent
Pages: 5
Report Date: 12 MAR 1985
Report Number: D266110

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Keywords relating to this report:
*COMPRESSORS
*DIFFUSERS
*GAS TURBINES
*PATENTS
GUIDE VANES
LEAKAGE_FLUID_
REDUCTION
SEALS_STOPPERS_
THERMAL STRESSES
WALLS
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