FIELD: engines and pumps.
SUBSTANCE: turbine blade end retaining element comprises a base attached to the turbine blade. The said base incorporates Z-like recesses, sealing rails arranged on the base and cavities made in the base and abutting on the said sealing rails and Z-like recesses. The said cavities make a flexible contact surface on the turbine blades interfaces to allow a uniform load distribution between two blades.
EFFECT: longer blade life, smaller retaining element weight, flexible contact between blades.
9 cl, 3 dwg
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