Blades for axial fans

Details Blades for axial fans Blades for axial fans

1986-02-05

1988-04-19

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Having wear liner, sheathing or insert

416213A, F04D 2938

Patent

active

047385944

ABSTRACT:
A fan blade in which a leading edge piece made of a hard sintered product is attached to the leading edge of a fan blade main body over along substantially 3/4 to 1/4 from the tip thereof so that a useful life of the fan blade is prolonged.

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