Centrifugal fan with variably cambered blades

Details Centrifugal fan with variably cambered blades Centrifugal fan with variably cambered blades

1989-02-14

1990-02-13

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

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

Radially extending web or end plate

416187, F04D 2920

Patent

active

049002287

ABSTRACT:
Boundary layer separation in a rearwardly skewed centrifugal impeller can be better controlled by designing the impeller blades with an "S" camber, i.e., with rearward curved radially extending blades in a centrifugal blower. The blades have a positive camber at a radially inward region and a negative camber at a radially outward region of the blade.

REFERENCES:
patent: Re13200 (1911-02-01), Capell
patent: 1240949 (1917-09-01), Criqui
patent: 2975962 (1961-03-01), Busquet
patent: 3597117 (1971-08-01), Zoehfeld
patent: 3967874 (1976-07-01), Calabro
patent: 4269571 (1981-05-01), Shikutani et al.
patent: 4526506 (1985-07-01), Koger
patent: 4531890 (1985-07-01), Stokes
European Patent 72,177, Feb. 1983.

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