Axial flow ring fan with fall off

Details Axial flow ring fan with fall off Axial flow ring fan with fall off

F - Mech Eng,Light,Heat,Weapons

04

D

230/18

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

Patent

CA 2016811

89P7816A/01GLB068 89P7816 ABSTRACT An axial flow ring fan has improved efficiency and reduced noise by making the leading edge of each blade a generally sinusoidal shape and projecting this geometry throughout the blade by imparting fall off to each blade.

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