FIELD: engines and pumps.
SUBSTANCE: fan impeller comprises main and cover disks made from composite material and vanes arranged there between. Note here that at least main disks and vanes are linked due to lamination of intervane channel made up of vane structure and main disk inner surface and that cover disk is mechanically secured thereto.
EFFECT: higher rigidity and strength of fan impeller.
2 cl, 3 dwg
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