F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
F24C 15/20 (2006.01) F04D 29/28 (2006.01)
Patent
CA 2106896
The present invention relates to a wheel fan of a range hood used in the kitchen having improved blades and mechanisms for locating a top plate, which comprises blades, top plate sinking inwardly like a bowl, a bottom ring, convex rings set at the side and top of the blades, and cahnnels formed on the top plate and bottom ring which match the convex rings, so that assembly will be simplified, performance be reliable and noise be less.
Chiang Swea Tong
Fetherstonhaugh & Co.
LandOfFree
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