SYSTEM AND METHOD FOR REDUCING BLADE HOOK STRESS IN A TURBINE BLADE

A turbine assembly includes a rotating blade including a T-root. The T-root defines a first engagement surface that is cylindrical, a rotor including a blade groove arranged to receive the rotating blade, the blade groove including a neck portion that defines a second engagement surface and a neck s...

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Bibliographic Details
Main Authors Vezzetti, Paul, Jasikiewicz, Jeremy P, Marshall, Jeremy T, Heinig, Roger W
Format Patent
LanguageEnglish
Published 21.03.2024
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
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Summary:A turbine assembly includes a rotating blade including a T-root. The T-root defines a first engagement surface that is cylindrical, a rotor including a blade groove arranged to receive the rotating blade, the blade groove including a neck portion that defines a second engagement surface and a neck surface that is normal to and intersects the second engagement surface. The second engagement surface is cylindrical, and a relief groove is formed in the neck surface and positioned adjacent the second engagement surface.
Bibliography:Application Number: US202318237220