Fan blade configuration

Details Fan blade configuration Fan blade configuration

1994-01-24

1995-04-04

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416231B, F01D 514

Patent

active

054031605

ABSTRACT:
A fan blade includes a plate and a board fixed on the plate, an opening is formed in the fan blade for facilitating air circulation when the fan blade is operated. The plate and the board each includes a notch, the notches form the opening when the board is fixed on the plate.

REFERENCES:
patent: 991134 (1911-05-01), Capell
patent: 1066988 (1913-07-01), Boutwell
patent: 2169325 (1939-08-01), Novak

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