FIELD: machine building.
SUBSTANCE: impeller includes metal base (1502) comprising a central hole, rear surface (1502b) and front surface (1502a) opposite rear surface (1502b); blades (1504, 1506) passing along front surface (1502a) of metal base (1502); composite band (1508) connected to blades (1504, 1506) so that front surface (1502a) of metal base (1502), blades (1504, 1506) and composite band (1508) form closed channels or jet straightener, and connecting means 1510, 1606, 1706, 1806, 1906, 2303, 2410, 2608, 2612, 3002, 3010, 3402, 3510, formed for attachment of composite band (1508) to metal base (1502) or blades (1504, 1506).
EFFECT: method and impeller for turbomachine are proposed.
55 cl, 61 dwg
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