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Foam structure, a process of fabricating a foam structure and a turbine including a foam structure

A foam structure, turbine technology, applied in mechanical equipment, engine components, machines/engines, etc.

Inactive Publication Date: 2013-01-16
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Likewise, foam structures have not been used in other settings as they are believed to have similar limitations

Method used

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  • Foam structure, a process of fabricating a foam structure and a turbine including a foam structure
  • Foam structure, a process of fabricating a foam structure and a turbine including a foam structure
  • Foam structure, a process of fabricating a foam structure and a turbine including a foam structure

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Embodiment Construction

[0022] Lower cost turbine seals and methods of making turbine seals capable of operating under the conditions described above are provided. Embodiments of the present disclosure allow for the use of less expensive materials in hot gas path areas, allow for simpler and / or less expensive assembly and / or repair of turbine seals, allow for increased operating efficiency of gas turbines, allow for increased resistance Oxidation properties, and combinations thereof.

[0023] FIG. 1 shows a portion of a turbine 100 , such as a gas turbine, including a rotating portion 102 , such as a blade, and a turbine seal 104 or shroud seal. The hot gas path 106 follows the turbine seal 104 that rotates the rotating portion 102 through a groove 108 or seal cutout along a predetermined path 110 within the turbine seal 104 . The swivel portion 102 includes an edge 112 having a predetermined thickness 114 . For example, in one embodiment, the predetermined thickness 114 is between about ? inches a...

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PUM

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Abstract

Disclosed is a foam structure, a process of fabricating the foam structure, and a turbine including the foam structure. The foam structure (118) includes a cast metallic foam having pores (302) and a gel positioned within at least a portion of the pores. The process of fabricating the foam structure includes providing the cast metallic and infusing the cast metal foam with the gel. The turbine includes a rotating portion and a turbine seal including the foam structure.

Description

technical field [0001] The invention relates to manufactured components and methods of manufacturing components. More specifically, the present invention relates to metal foams and methods of making metal foams. Background technique [0002] The manufactured components are gradually subjected to difficult environments. For example, gas turbine components experience thermally, mechanically and chemically hostile environments. For example, in the compressor section of a gas turbine, the atmosphere is compressed to 10-25 times atmospheric pressure and is adiabatically heated to about 800°F to about 1250°F in the process. This heated and compressed air is directed into a combustor where it mixes with fuel. The fuel is ignited, and the combustion process heats the gases to extremely high temperatures in excess of about 3000°F. This hot gas passes through the turbine, where airfoils fixed to the rotating turbine disk extract energy to drive the turbine's fan and compressor, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D11/00
CPCF01D11/00
Inventor G.A.戈勒D.W.卡瓦诺
Owner GENERAL ELECTRIC CO