Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal
Patent
1986-12-24
1989-05-23
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Combined or convertible
Hub lubrication or seal
416 62, 416 5, F04D 2970
Patent
active
048325724
ABSTRACT:
A fan blade cover for use on fans having a plurality of fan blades, where one size cover fits many sizes and contours of fan blades. The cover includes a sleeve manufactured from a flexible material in a tubular configuration where one end of the sleeve is closed and an opposite end is open for mounting the cover on the fan blade. The open end of the sleeve includes a closure for closing off the open end to securely maintain the cover on the fan blade during fan operation.
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Prucha Doris A.
Sedlak Lois M.
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