Blade for axial fan

Details Blade for axial fan Blade for axial fan

1993-12-30

1995-08-01

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416169A, 416195, 416236R, F01D 512

Patent

active

054375410

ABSTRACT:
A blade for use in an axial fan includes a plurality of vanes which each have a winglet formed on their front face to increase the air flow of the fan at a given blade velocity.

REFERENCES:
patent: 1424672 (1922-08-01), Ogrissek
patent: 1441852 (1923-01-01), Heintz
patent: 2978040 (1961-04-01), Wirkkala
patent: 3758231 (1973-09-01), Barnstead
patent: 4505641 (1985-03-01), Tsuchikawa et al.
patent: 4610601 (1986-09-01), Gerfast
patent: 4664593 (1987-05-01), Hayashi et al.
patent: 4871298 (1989-10-01), Vera
patent: 4971520 (1990-11-01), Van Houten
patent: 5193981 (1993-03-01), Scheidel et al.

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