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Radial Exhaust Diffuser

A diffuser and radial line technology, applied in the field of radial exhaust diffusers, can solve the problems of frequent failure of steering vanes and rods, pressure loss, etc.

Active Publication Date: 2021-10-01
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of rods may cause pressure loss in the
Additionally, steering vanes and levers can suffer from frequent failures at sites with harsh operating conditions
This failure problem can be exacerbated in exhaust diffuser designs that use stems rather than turning vanes

Method used

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  • Radial Exhaust Diffuser
  • Radial Exhaust Diffuser

Examples

Experimental program
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Effect test

Embodiment Construction

[0033] Referring now to the drawings, wherein like reference numerals represent like elements throughout the several views, figure 1 A schematic diagram of a gas turbine engine 10 that may be as described herein is shown. Gas turbine engine 10 may include a compressor 15 . Compressor 15 compresses an incoming gas stream 20 . Compressor 15 delivers compressed airflow 20 to combustor 25 . Combustor 25 mixes compressed airflow 20 with pressurized fuel flow 30 and ignites the mixture to produce combustion gas flow 35 . Although only a single combustor 25 is shown, gas turbine engine 10 may include any number of combustors 25 arranged in a circumferential array. Combustion gas stream 35 is then channeled to turbine 40 in turn. Combustion gas flow 35 drives turbine 40 to produce mechanical work. The mechanical work of dust production in turbine 40 drives compressor 15 and external load 50 (eg, generator, etc.) through shaft 45 . One or more extractions 52 may extend from the c...

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PUM

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Abstract

The present application provides a radial exhaust diffuser for a gas turbine engine. The radial diffuser may include an outer cylinder, an inner cylinder positioned within the outer cylinder, and a plurality of support rods supporting the inner cylinder within the outer cylinder. The support rods are only positioned near the bottom half of the inner cylinder.

Description

technical field [0001] The present application and resulting patent relate generally to gas turbine engines, and more particularly to radial exhaust diffusers having improved aerodynamic performance and improved component life for use with gas turbine engines and the like. Background technique [0002] Gas turbine engines generally include an exhaust diffuser positioned downstream of the last turbine stage. In general, exhaust diffusers convert the kinetic energy of the hot combustion gases leaving the last turbine stage into potential energy in the form of increased static pressure. The exhaust diffuser directs the hot combustion gases in the direction of flow through the casing of increased cross-sectional area. Exhaust diffusers generally include a plurality of struts mounted on a hub and enclosed by a housing. [0003] Radial exhaust diffusers generally include a plurality of turning vanes. Turning vanes may provide a smooth flow transition from an axial direction to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D25/30F02C7/00
CPCF01D25/305F02C7/00F01D25/30F05D2240/12F05D2220/32
Inventor R.贾米奥科维斯基D.D.南达A.维斯尼伊维斯基
Owner GENERAL ELECTRIC CO