FIELD: engines and pumps.
SUBSTANCE: proposed impeller of fan or axial-flow blower with vaned disk comprises vane root and vane working side.Two clamp blocks are provided for fitting vanes in place. Note here that both clamp shoes of clamp blocks are arranged on both sides of bearing disk and screwed thereto and feature similar shape to allow their interchangeability. Note that each clamp block has its radially outer edge transforming into skirt oriented outward. Besides, skirts form hub ring on impeller every side to make flow guide.
EFFECT: impeller reliability in operating conditions.
9 cl, 2 dwg
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