Fan wheel for radial fan

Details Fan wheel for radial fan Fan wheel for radial fan

1985-10-01

1987-01-27

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416134R, 416188, 416241A, F04D 2928

Patent

active

046391932

ABSTRACT:
A single-piece plastic fan wheel for a radial fan comprises a hub, a blade ring having fan blades and an intermediate piece interconnecting the hub and the blade ring. The hub comprises an inner hub ring attachable to the drive shaft of a motor and an outer hub ring connected to the inner hub ring by a plurality of axially and radially extending resilient strips which serve to damp tangential vibrations emanating from the motor owing to pulsations in the torque output thereof.

REFERENCES:
patent: 795938 (1905-08-01), Seymour, Jr.
patent: 1827770 (1931-10-01), Suter
patent: 2047501 (1936-07-01), Wettstein
patent: 2212555 (1940-08-01), Stevens, Jr.
patent: 2442441 (1948-06-01), Shellberg
patent: 3846045 (1974-11-01), Mincuzzi
patent: 4150919 (1979-04-01), Matucheski
patent: 4470753 (1984-09-01), Witzel

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