FIELD: machine building.
SUBSTANCE: turbine wheel comprises vanes made integral therewith and having flanges on its edges, as well as damping elements. Vane flanges are arranged in zone of vane outer edges. Damping element is made up of plate secured to lower surface of one of flanges of each vane. Flexible plate has free end arranged behind the plate of adjacent vane.
EFFECT: damping of turbine all-cast vane vibrations.
3 dwg
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