Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members
Patent
1993-08-23
1994-07-12
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
Unsymmetrical impeller or dissimilar working members
416223R, F01D 512
Patent
active
053283350
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: 2920864 (1960-01-01), Lee
Edwards Robert J.
Hudson Products Corporation
Kwon John T.
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