Turbomachine comprising a thermocouple well and method of mounting a thermocouple well in a turbomachine

A turbomachine (2) includes a nozzle (6). The nozzle (6) includes an end portion and an airfoil portion (24). A diaphragm (40) is mounted to the end portion of the nozzle (6) in a wheel space (60) portion of the turbomachine (2). The diaphragm (40) includes an external surface (48,50,52) and an inte...

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Main Authors GILCHRIST, III,, GEORGE MARTIN, FOSTER, GREGORY THOMAS, DILLARD, DANIEL JACKSON
Format Patent
LanguageEnglish
French
German
Published 28.11.2012
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
PHYSICS
STEAM ENGINES
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
WEAPONS
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Summary:A turbomachine (2) includes a nozzle (6). The nozzle (6) includes an end portion and an airfoil portion (24). A diaphragm (40) is mounted to the end portion of the nozzle (6) in a wheel space (60) portion of the turbomachine (2). The diaphragm (40) includes an external surface (48,50,52) and an internal surface (47,49,51). The diaphragm (40) also includes at least one thermocouple well receiving portion formed in one of the external surface (48,50,52) and the internal surface (47,49,51). A thermocouple well is mounted in the at least one thermocouple well receiving portion. The thermocouple well includes a first end (114) exposed to the wheel space (60) portion of the turbomachine (2) and a second end (116, 146) exposed at the internal surface (47,49,51) of the diaphragm (40).
Bibliography:Application Number: EP20120169393