RADIAL FAN IMPELLER Russian patent published in 1997 - IPC

Abstract RU 2080491 C1

FIELD: manufacture of compression; designing of radial fan impellers. SUBSTANCE: blades 3 fastening drive and cover disks 1 and 3 provide for required rigidity of structure due to which main parts may be made by stamping from sheet steel. Blades have beads which are received by circular groove 5 by extrusions 9 whose circumferential length is equal to pitch of blades 3. EFFECT: possibility of self-centering and avoidance of. 4 dwg

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RU 2 080 491 C1

Authors

Balkind O.Ja.

Vaksman V.Z.

Novikov Ju.D.

Shvetsov S.E.

Dates

1997-05-27—Published

1993-09-30—Filed