Static efficiency enhancer for axial fans

Details Static efficiency enhancer for axial fans Static efficiency enhancer for axial fans

1995-05-18

1996-03-26

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Blade cuff or shank construction

F01D 512

Patent

active

055015760

ABSTRACT:
A static efficiency enhancer for an axial fan having a hub and a plurality of blades extending radially outward from the hub, the enhancer comprising a plurality of airfoils connected to the hub and extending outwardly therefrom to provide additional air velocity at the periphery of the hub.

REFERENCES:
patent: 2399828 (1946-05-01), Roche
patent: 2427166 (1947-09-01), Teeter et al.
patent: 2478252 (1949-08-01), Dean
patent: 2592214 (1952-04-01), Wallace
patent: 2637403 (1953-05-01), Wallace

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