Fluid reaction surfaces (i.e. – impellers) – Ambient fluid or exhaust gas directed through hub – fairing...
Patent
1983-11-30
1985-05-21
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Ambient fluid or exhaust gas directed through hub, fairing...
416 5, F04D 2932, F04D 2964
Patent
active
045183147
ABSTRACT:
An upwardly opening generally cylindrical decorative cover including a bottom wall having a central opening formed therein is provided and the cover is upwardly displaceable over the lower portion of a dependingly supported ceiling fan motor controlling switch housing with the central opening in the bottom wall of the cover snugly receive all but the upper portion of the switch housing therethrough and the inner periphery of the bottom wall disposed about the central opening abutted against a mounting flange structure carried by an upper portion of the switch housing and removably anchored thereagainst. The upper open portion of the cover is loosely telescoped upwardly over those portions of the ceiling fan motor projecting below the blades of the ceiling fan and disposed between the blades and the dependingly supported switch housing. The bottom wall of the cover may include openings therethrough for the passage of motor cooling air therethrough.
REFERENCES:
patent: 585250 (1897-06-01), Bennett
patent: 1752778 (1930-04-01), Brown et al.
patent: 1856017 (1932-04-01), Baker
patent: 2726034 (1955-12-01), Lorenzo
patent: 3033049 (1962-05-01), Morrow
patent: 4073598 (1978-02-01), Mizutani et al.
Jacobson Harvey B.
Powell Jr. Everette A.
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