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Method of manufacturing combustion chamber tile

A technology for combustion chambers and tiles, which is applied in the field of combustion chamber tiles and manufacturing combustion chamber tiles and combustion chambers, and can solve problems such as mismatching the surface shape of the annular outer wall

Inactive Publication Date: 2020-03-03
ROLLS ROYCE PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the pad shape and the surrounding wall may not match the shape of the annular outer wall surface due to variations in the shape of the pad and / or surrounding wall due to manufacturing tolerances and the applied loads and thermal conditions during operation of the combustor

Method used

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  • Method of manufacturing combustion chamber tile
  • Method of manufacturing combustion chamber tile
  • Method of manufacturing combustion chamber tile

Examples

Experimental program
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Embodiment Construction

[0083] Aspects and embodiments of the present disclosure will now be discussed with reference to the figures. Other aspects and embodiments will be apparent to those skilled in the art.

[0084] figure 1A gas turbine engine 10 with a main axis of rotation 9 is shown. The engine 10 includes an air intake 12 and a propeller fan 23 that generates two airflows: a core airflow A and a bypass airflow B. The gas turbine engine 10 includes a core 11 receiving a core flow A. As shown in FIG. The engine core 11 includes a low-pressure compressor 14 , a high-pressure compressor 15 , a combustion device 16 , a high-pressure turbine 17 , a low-pressure turbine 19 and a core exhaust nozzle 20 in series in axial flow. A nacelle 21 surrounds the gas turbine engine 10 and defines a bypass duct 22 and a bypass exhaust nozzle 18 . The bypass gas flow B flows through the bypass duct 22 . The fan 23 is attached to and driven by the low pressure turbine 19 via a shaft 26 and an epicyclic gearb...

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Abstract

The present invention relates to a combustion chamber, a combustion chamber tile and a method of manufacturing a combustion chamber tile. The combustion chamber tile is disclosed. The combustion chamber tile comprises a main body having a first surface and a second surface. The tile having a peripheral wall extending around the edges of the tile and projecting from the first surface. The main bodyand the peripheral wall of the tile comprising a monolithic structure consisting of consolidated powder material. The peripheral wall of the tile having at least one region consisting of partially consolidated powder material. The at least one region provides a region with reduced stiffness in the peripheral wall enabling the tile to better conform to the shape of an annular wall.

Description

technical field [0001] The present disclosure relates to combustors, combustor tiles and methods of making combustor tiles, and more particularly to gas turbine engine combustors, gas turbine engine combustor tiles, and methods of making gas turbine engine combustor tiles. Background technique [0002] One known type of combustion chamber comprises one or more walls, each wall comprising a double or double wall structure. The double wall structure includes an outer annular wall and an inner annular wall radially spaced from the outer annular wall to define one or more chambers. The annular outer wall has a plurality of injection holes to supply coolant into the one or more chambers, and the annular inner wall has a plurality of bleed holes to supply cooling from the one or more chambers above the inner surface of the annular inner wall agent to form a coolant film on the inner surface of the annular inner wall. The coolant film protects the inner surface of the annular inn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23R3/00F02C3/04F02C3/14
CPCF23R3/002F02C3/04F02C3/14B22F10/36B22F10/28F23R3/60F23R2900/00018B22F5/009B33Y80/00B33Y10/00Y02P10/25F02C7/20F02C7/36F05D2220/32F05D2230/31F05D2240/35F05D2300/175
Inventor J.G.马歇尔L.I.斯图尔德
Owner ROLLS ROYCE PLC