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Thermally protected thermoplastic duct and assembly

A thermoplastic and thermoplastic material technology, applied in the field of cooling pipes and flow path structures, can solve problems such as expensive production

Active Publication Date: 2019-07-26
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although lighter than metal pipes, it is expensive to produce

Method used

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  • Thermally protected thermoplastic duct and assembly
  • Thermally protected thermoplastic duct and assembly
  • Thermally protected thermoplastic duct and assembly

Examples

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Embodiment Construction

[0084] Referring to the drawings (in which like reference numerals denote like elements throughout the various views), figure 1 Depicted is a gas turbine engine 10 including a cooling arrangement constructed in accordance with aspects of the present invention. Although the example shown is a high-bypass turbofan engine, the principles of the invention are also applicable to other types of engines (such as low-bypass turbofans, turbojets, stationary gas turbines, etc.). Engine 10 has a longitudinal centerline axis 11 and an outer stationary annular casing 12 disposed concentrically about and along centerline axis 11 . Engine 10 has fan 14 , supercharger 16 , high pressure compressor 18 , combustor 20 , high pressure turbine 22 and low pressure turbine 24 arranged in series flow relationship. High pressure compressor 18, combustor 20, high pressure turbine 22 define a turbine core. In operation, pressurized air from high pressure compressor 18 is mixed with fuel and ignited in...

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Abstract

A cooling apparatus for a gas turbine engine includes a wall structure defining an air flowpath, the wall structure comprising a thermoplastic material; and a thermal barrier layer surrounding the wall structure.

Description

technical field [0001] This invention relates generally to gas turbine engines, and in particular to flow path structures, such as cooling ducts within gas turbine engines. Background technique [0002] A typical gas turbine engine includes a turbine core having a high pressure compressor, combustor and high pressure turbine in series flow relationship. The core can be operated in a known manner to generate the primary gas flow. In practical applications, the core is typically combined with other components (such as power turbines, fans, superchargers, etc.) Useful engine. [0003] Generally, within a gas turbine engine, several housings used to enclose heat sensitive items such as pilot actuators and / or other electronics are located in the "under the hood" region of the gas turbine engine. Temperatures in the area under the hood can reach several hundred degrees Fahrenheit. For example, at the upstream end of the gas turbine engine near the fan, the temperature may be a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C7/12B32B1/08B32B7/12B32B27/28B32B27/08B32B33/00
CPCF02C7/12B32B1/08B32B7/12B32B27/288B32B27/283B32B27/08B32B33/00B32B2262/106B32B2597/00B32B2307/304F01D25/00F02C7/00F05D2300/43F05D2300/436F05D2300/603F01D25/12F01D9/065B32B27/285B32B2250/02B32B2260/021B32B27/12B32B27/286B32B2250/24B32B27/281B32B2260/046B32B2262/101F02C7/18F01D9/00F01D25/26F05D2220/32F05D2260/20F05D2300/5023F05D2300/437F02K3/06
Inventor R.B.肖菲尔德
Owner GENERAL ELECTRIC CO