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Turbine clearance control system

A control system and turbine technology, applied in engine control, safety devices, machines/engines, etc., can solve problems such as increasing engine weight and increasing manufacturing costs

Pending Publication Date: 2022-06-07
通用电气阿维奥有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The complexity of pipes, brackets and valves for external and auxiliary piping increases manufacturing costs and adds weight to the engine

Method used

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  • Turbine clearance control system
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Embodiment Construction

[0059] Reference will now be made in detail to the present embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar numerals have been used in the drawings and description to refer to like or analogous parts of the present invention.

[0060] The following description is provided to allow those skilled in the art to make and use the described embodiments that are conceived for practicing the invention. However, various modifications, equivalents, changes and alternatives will still be readily apparent to those skilled in the art. Any and all such modifications, variations, equivalents and alternatives are intended to fall within the spirit and scope of the present invention.

[0061] For the purposes of the following description, the terms "top", "bottom", "right", "left", "vertical", "horizontal", "top", "bott...

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PUM

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Abstract

A turbine clearance control system is provided. The turbine clearance control system includes a cooling air source, and a turbine housing surrounding a portion of the turbine, where the turbine housing defines an integrated cooling conduit within the turbine housing, the integrated cooling conduit including an aperture on an inner surface of the turbine housing.

Description

technical field [0001] The present subject matter relates generally to a gas turbine engine, or more specifically, to a method and system for controlling clearance using integral cooling of a turbine casing. Background technique [0002] A gas turbine engine includes several sections that include rotating blades contained within an engine casing, such as a turbine casing. If the rotating blades break, they must be contained within the engine housing. To ensure that the broken blade does not pierce the shell, the walls of the shell have been made relatively thick and / or reinforced with fabric. During operation, the turbine casing relies on an external duct system, such as an Active Clearance Control (ACC) external duct arrangement, to cool the casing to supply cooler air to the outer surface of the engine casing to help maintain the proper temperature of the engine casing and to provide proper the turbine rotor / stator clearance. The complexity of the tubes, brackets, and v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D11/24
CPCF01D11/24F05D2240/11F01D21/045F05D2230/31F01D25/246F01D25/14B33Y80/00F01D11/18F05D2240/14F05D2270/303F05D2270/44
Inventor A·夏尔皮D·库坦丁M·R·尤塞利奥G·格雷科
Owner 通用电气阿维奥有限责任公司