Fan blade with bends forming general blade curvature

Details Fan blade with bends forming general blade curvature Fan blade with bends forming general blade curvature

F - Mech Eng,Light,Heat,Weapons

04

D

230/21

F04D 29/38 (2006.01) F01P 7/06 (2006.01)

Patent

CA 1114792

Abstract Of The Disclosure An automotive cooling fan having flexible, resilient blades which decamber with increasing rotational speed of the fan, the general curvature of the blades being formed by a multiplicity of spaced, generally radially extending bends in the blades; in preferred embodiments the blades have configuration resulting from said bends in which the general radius of blade curvature of the blades increases and the chord angle of the blades de- creases from the blade roots to the blade tips.

319217

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