Lightweight fan

Details Lightweight fan Lightweight fan

F - Mech Eng,Light,Heat,Weapons

04

D

230/18

F04D 29/34 (2006.01) F04D 19/00 (2006.01) F04D 29/32 (2006.01)

Patent

CA 1074749

Abstract of the Disclosure A fan blade, secured to an arm of the fan, extends radially outwardly beyond the arm and is secured to the arm by a plurality of rivets, a continuous circular rib being formed about the radially outermost rivet, the rib comprising on one side of the blade a groove having a depth and a cross-sectional radius equal to the blade material thickness.

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