Impeller of centrifugal blower

Details Impeller of centrifugal blower Impeller of centrifugal blower

1985-06-07

1987-03-03

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

416188, F04D 2930

Patent

active

046472711

ABSTRACT:
An impeller of a centrifugal blower includes a hub, a hub plate, a plurality of blades and a shroud. The hub plate has an outer diameter which is smaller than an inner diameter of the shroud and a portion of the blades existing in the difference between the diameters is provided with a parting plane of molds, whereby the impeller can be integrally molded by the injection molding.

REFERENCES:
patent: 2247813 (1941-07-01), Huitson
patent: 3257071 (1966-06-01), Harris
patent: 3515498 (1970-06-01), Tomita
patent: 3536416 (1970-10-01), Glucksman
patent: 4043385 (1977-08-01), Petrenchik
patent: 4211514 (1980-07-01), Hawes
patent: 4362468 (1982-12-01), Nishikawa et al.
patent: 4549103 (1985-10-01), Shiga

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