Fan

Details Fan Fan

F - Mech Eng,Light,Heat,Weapons

04

D

230/20

F04D 29/32 (2006.01) F04D 29/38 (2006.01)

Patent

CA 1108571

ABSTRACT OF DISCLOSURE The invention provides a ventilator fan, particularly an axial-flow fan, comprising a plurality of radially extending fan blades, at least the leading. edges and the outer edges of the fan blades being covered by a thick damping rim for providing protection against injuries from the fan blades.

315332

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