Fluid reaction surfaces (i.e. – impellers) – With illumination means
Patent
1989-02-09
1989-09-05
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
With illumination means
416 93R, F04D 2964
Patent
active
048633461
ABSTRACT:
An outer casing assembly for ceiling-fan motors includes an upper cover with a top surface and a downward-curving flange, having a central opening in the top surface and a plurality of bolt holes in the periphery of the downward-curving flange; a middle guard shell formed in a hollow body structure with an external circumference corresponding to the inner periphery of the downward-curving flange of the upper cover; and a lower cover with a bottom surface and an upward-curving flange corresponding to the structure of the upper cover, having a lower central opening in the bottom surface and a plurality of bolt holes in the periphery of the upward-curving flange. The upper cover, the middle guard shell and the lower cover are all made of mesh material, wherein the middle guard shell is vertically positioned between the upper cover and the lower cover both of which are connected together by screw bolts through the bolt holes of both the upper and lower covers.
REFERENCES:
patent: D270757 (1983-09-01), Dennis
patent: D270943 (1983-10-01), Dennis
patent: 1940318 (1933-12-01), Morse
patent: 4391570 (1983-07-01), Stutzman
patent: 4402649 (1983-09-01), Laurel
patent: 4657485 (1987-04-01), Hartwig
patent: 4666670 (1987-05-01), Cox
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