Centrifugal blower wheel with an upwardly extending, smoothly co

Details Centrifugal blower wheel with an upwardly extending, smoothly co Centrifugal blower wheel with an upwardly extending, smoothly co

1997-08-27

1999-11-23

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Perimetric blading extending axially between annular members

416186R, 416187, 416188, 416200R, F04D 2930

Patent

active

059889799

ABSTRACT:
A centrifugal blower wheel having an indivisible prime number of peripherally spaced blades projecting upwardly from the top surface of a generally annular-shaped base plate. Each blade includes a tapered portion extending along an inside edge of the blade to approximately 1/3 to 1/2 the length of the blade. A hub is centrally located on the top surface of the base plate and surrounded by the inside edges of the blades, the hub curving upwardly from the top surface of the base plate to form a smoothly contoured curve.

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