Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers
Patent
1983-08-22
1986-06-03
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Protective screen or guard
Water or marine propellers
416 5, 417424, 310 89, F04D 2908
Patent
active
045927022
ABSTRACT:
A waterproof fan is disclosed as including an inverted bell-shaped canopy adapted to be suspended from overhead and having a support rod extending to a second canopy, the top and bottom edges of which are provided with a rubber hood and cowling, respectively; the second canopy covers the top of a motor housing and a fixed shaft connected to the canopy extends into the motor housing on which a plurality of fan blades are attached for rotation therewith.
REFERENCES:
patent: 636871 (1899-11-01), Wait
patent: 2119398 (1938-05-01), Morse
patent: 2823598 (1958-02-01), Jenn
patent: 3742595 (1973-07-01), Lykes
patent: 3760209 (1973-09-01), Hult
patent: 4073598 (1978-02-01), Mizutani et al.
Awesome.RTM. 60, Leading Edge Inc., Application Data, Dec. 1982.
Garrett Robert E.
O'Brien Anthony A.
Pitko Joseph M.
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