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Pressure masking systems and methods for using the same

A pressure, target technology, applied in the field of pressure masking system, can solve the problems of low productivity, high cycle time, cooling hole clogging, etc.

Inactive Publication Date: 2014-09-03
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This complex process results in low productivity, high cycle times, and costs five to ten times the cost of applying the same TBC to similar non-porous parts
The pressure cleaning method used to clean the target surface of the article can similarly flood and clog the cooling holes of the article even when no coating is applied

Method used

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  • Pressure masking systems and methods for using the same
  • Pressure masking systems and methods for using the same
  • Pressure masking systems and methods for using the same

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Embodiment Construction

[0023] One or more specific embodiments of the invention are described below. In an effort to provide a concise description of these embodiments, not all features of an actual implementation may be described in this specification. It should be understood that when developing any such actual implementation in any engineering or design project, various implementation-specific decisions should be made to achieve the developer's specific goals, such as whether to comply with system-related and Business-related constraints, which may vary from implementation to implementation. Moreover, it should be understood that such development might be complex and time consuming, but would nevertheless be a routine undertaking of design, construction, and fabrication for those of ordinary skill having the benefit of this disclosure.

[0024] When introducing elements of various embodiments of the invention, the articles "a," "an," "the," and "said" are intended to mean that there are one or m...

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PUM

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Abstract

Methods of pressure cleaning or coating a target surface of an article comprising one or more passageways include fluidly connecting a pressure masker comprising pressurized masking fluid to a first side of at least one passageway, passing the pressurized masking fluid through the at least one passageway from the first side to a second side comprising the target surface, and, cleaning the target surface using a cleaning material (or coating the target surface using a coating material), wherein the pressurized masking fluid passing through the at least one passageway prevents the cleaning material (or coating material) from permanently altering a cross sectional area of the at least one passageway.

Description

technical field [0001] Embodiments of the subject matter disclosed in this specification relate to masking systems. Other embodiments relate to pressure masking systems for cleaning or coating articles with passages. Background technique [0002] In a gas turbine engine, like an aircraft engine for example, air is drawn into the front of the engine, compressed by a shaft mounted rotary type compressor, and mixed with fuel. The mixture is combusted and the hot exhaust gases are passed through a shaft mounted turbine. The gas flow turns a turbine, which turns a shaft and drives a compressor and fan. Hot exhaust flows from behind the engine, propelling the engine and the aircraft forward. [0003] During operation of a gas turbine engine, combustion gas temperatures can exceed 3000°F (approximately 1650°C), well above the melting temperatures of the engine's metal parts that come into contact with these gases. The operation of these engines at gas temperatures above the mel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/00F01D5/28C23C4/02B05B12/16B05B12/18B05B12/26B05B14/00
CPCF01D5/288F05D2300/611C23C4/005C23C4/02C23C4/01
Inventor M.C.贝利诺J.M.罗马斯M.P.伯克比尔E.D.雷耶斯
Owner GENERAL ELECTRIC CO