Axial fan

Details Axial fan Axial fan

1992-05-13

1993-06-01

Look, Edward K.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415914, F04D 2966

Patent

active

052154335

ABSTRACT:
An axial fan has an impeller provided with vanes and mounted in a flow duct. In or on the wall of the duct at least one port is arranged adjacent to the vane tips. The duct side the port is provided with a covering means having passages therethrough.

REFERENCES:
patent: 2028985 (1936-01-01), Mahon
patent: 3128973 (1964-04-01), Dannenberg
patent: 3346174 (1967-10-01), Lievens et al.
patent: 3948346 (1976-04-01), Schindler
patent: 3976393 (1976-08-01), Larson
patent: 4692091 (1987-09-01), Ritenour

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