Fan blade with trailing edge tab

Details Fan blade with trailing edge tab Fan blade with trailing edge tab

F - Mech Eng,Light,Heat,Weapons

04

D

230/20

F04D 29/32 (2006.01) B64C 11/18 (2006.01) F03D 1/06 (2006.01) F04D 29/38 (2006.01)

Patent

CA 1164420

ABSTRACT A propeller fan blade in which an increase in the effective displacement of air at the proximal blade zones having lower circumferencial speed is obtained by providing the trailing edge of the blade with a rigid tab having width decreasing from the proximal end of the blade to the distal end of the blade, the tab forming an inclination angle with the blade between 10° and 70°.

370062

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