Wheel fan of range hood

Details Wheel fan of range hood Wheel fan of range hood

1993-05-25

1994-07-12

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416188, 416195, F04D 2930

Patent

active

053283325

ABSTRACT:
A wheel fan of a range hood used in the kitchen having improved blades and mechanisms for locating a top plate, which includes blades, a top plate sinking inwardly like a bowl, a bottom ring, convex rings set at the side and top of the blades, and channels formed on the top plate and the bottom ring which match the convex rings, so that assembly will be simplified, and performance will be reliable with less noise.

REFERENCES:
patent: 1676946 (1928-07-01), Fechheimer
patent: 3144204 (1964-08-01), Bohanon
patent: 3306528 (1967-02-01), Eck

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