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Modified turbine buckets and methods for modifying turbine buckets

A turbine blade and edge technology, applied in the field of correcting the slope of the turbine blade, can solve problems such as difficult correction

Inactive Publication Date: 2014-11-26
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, modification of such high-temperature performance alloys can be difficult, especially when only localized areas are involved

Method used

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  • Modified turbine buckets and methods for modifying turbine buckets
  • Modified turbine buckets and methods for modifying turbine buckets
  • Modified turbine buckets and methods for modifying turbine buckets

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Embodiment Construction

[0050] One or more specific embodiments of the present invention will be described below. In an effort to provide a concise description of these embodiments, not all features of an actual implementation may be described in the specification. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, many implementation-specific decisions must be made to achieve the developer's specific goals, such as compliance with system-related constraints and business Related constraints, the specific purpose may vary from implementation to implementation. Moreover, it should be appreciated that such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, production, and manufacture to those of ordinary skill having the benefit of this disclosure.

[0051] When introducing elements of various embodiments of the invention, the articles "a," "the," and "said" are in...

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Abstract

Methods 10 for modifying a turbine buckets include removing 11 at least an original outer edge for an entire length of the slash face of the turbine bucket and adding 12 a new material to the slash face to build a new outer edge, wherein the new outer edge extends the entire length of the slash face.

Description

technical field [0001] The subject matter disclosed herein relates to modifying turbine blades, and more particularly, to modifying the slash face of turbine blades. Background technique [0002] Turbine blades used in industrial applications can withstand long periods of use under harsh conditions, which can include operating temperatures in excess of 1400°C. High temperature performance alloys such as nickel and cobalt superalloys can be used to extend the life of these turbine components. However, even these high performance alloys can suffer from corrosion, oxidation, or other damage. Turbine blades may therefore undergo modification for continued operation (eg, through repairs, adjustments, upgrades, etc.). For example, ramps on blade platforms may undergo modification to potentially rectify areas of oxidation or corrosion. However, modification of such high-temperature performance alloys can be difficult, especially when only localized areas are involved. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D5/14F01D5/28
CPCF01D5/14F05D2230/30F01D5/005F05D2230/10B23P6/007Y10T29/49336
Inventor J·R·康奈尔J·D·小沃德M·L·亨特R·T·赫伦德
Owner GENERAL ELECTRIC CO