Turbine blade cooling channel formation by etching

Turbine blade cooling channel formation by etching

Embodiments of the invention relate generally to turbine blades and, more particularly, to the formation of cooling channels on a surface of a turbine blade and turbine blades including such cooling channels. In one embodiment, the invention provides a method of forming a cooling channel along a sur...

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Hauptverfasser: Knorr, David Bruce, Morey, Kathleen Blanche
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator Knorr, David Bruce
Morey, Kathleen Blanche
description Embodiments of the invention relate generally to turbine blades and, more particularly, to the formation of cooling channels on a surface of a turbine blade and turbine blades including such cooling channels. In one embodiment, the invention provides a method of forming a cooling channel along a surface (10) of a turbine blade, the method comprising: applying a first mask material (30) to a first portion (12) of a surface (10) of a turbine blade; forming a first barrier (40) layer atop the first mask material (30) and atop a second portion (14) of the surface (10) of the turbine blade; removing the first mask material (30) and the barrier layer (40) atop the first mask material (30) to expose the first portion (12) of the surface (10) of the turbine blade; and etching the first portion (12) of the surface (10) of the turbine blade to form a cooling channel (20) along the surface (10) of the turbine blade.
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subjects BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title Turbine blade cooling channel formation by etching
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