Turbine wheel coating method and apparatus

The invention discloses a turbine wheel coating method and apparatus. Before instrumenting a turbine wheel for component and developmental testing, a protective coating is applied to the turbine wheel so that sensors can be welded to the coating rather than to the base material of the turbine wheel....

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Bibliographic Details
Main Authors BHAT NIKHIL, AUSSIKER GLEN, BROWN GREGORY, PFAFFENROTH TIMOTHY JAMES
Format Patent
LanguageChinese
English
Published 08.05.2013
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
PERFORMING OPERATIONS
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
STEAM ENGINES
TRANSPORTING
WEAPONS
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Summary:The invention discloses a turbine wheel coating method and apparatus. Before instrumenting a turbine wheel for component and developmental testing, a protective coating is applied to the turbine wheel so that sensors can be welded to the coating rather than to the base material of the turbine wheel. It is important to prevent the dovetail slots, which are critical to the usable life of the turbine wheel, from being coated. Plugs are provided that can be inserted into the dovetail slots prior to applying the coating. Each plug is shaped to match the shape profile of the dovetail slot. The plug prevents critical areas from being coated, removes the need for post processing, and allows a single coating to be applied.
Bibliography:Application Number: CN20121417739