Centrifugal fan impeller

Details Centrifugal fan impeller Centrifugal fan impeller

1983-01-24

1985-07-30

Yuen, Henry C.

Fluid reaction surfaces (i.e., impellers)

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

Radially extending web or end plate

416242, F04D 2930

Patent

active

045318905

ABSTRACT:
Centrifugal fans are provided comprising impellers having backward inclined blades that are cambered radially inward and that are inclined at an angle less than about 40.degree. relative to the tangential direction of the midpoint of a chord connecting the leading and trailing edges of each blade.

REFERENCES:
patent: 912133 (1909-02-01), Kellogg
patent: 2975962 (1961-03-01), Busquet
patent: 3697193 (1972-10-01), Phillips
patent: 4231706 (1980-11-01), Ueda et al.

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