Engine cooling fan

Details Engine cooling fan Engine cooling fan

F - Mech Eng,Light,Heat,Weapons

04

D

230/20, 230/3

F04D 29/36 (2006.01) F01P 7/06 (2006.01)

Patent

CA 1037006

ENGINE COOLING FAN Abstract of the Disclosure An automotive engine cooling fan assembly including asymmetrical plastic fan blades and a torsion bar interconnecting each blade to the hub of the assembly, the asymmetrical blades responding to both aerodynamic and centrifugal forces to reduce the pitch thereof at high fan speeds, the entire fan blade sub- assembly being rotated as a result of the twisting of the torsion bar.

221551

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