Axial flow fans

Details Axial flow fans Axial flow fans

1984-12-20

1987-01-06

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Runner or blade selectively adjustable relative to casing

416 89, 416207, 416208, F04D 2936

Patent

active

046343415

ABSTRACT:
There is disclosed an axial flow fan having blades which may be rotated about their axes to permit their pitches to be adjusted and which may be moved in a radial direction to adjust the clearance between their tips and the fan ring in which they rotate.

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