Solar powered exhaust fan

Details Solar powered exhaust fan Solar powered exhaust fan

1991-04-24

1992-07-21

Joyce, Harold

Ventilation

Having outlet airway

With air pump

454354, 454355, 454900, F24F 7007

Patent

active

051318881

ABSTRACT:
A solar powered exhaust fan having a pipe adaptor for connection to the interior of portable buildings. The exhaust fan may be either DC or AC energized. Automatic and manual switches are provided.

REFERENCES:
patent: 2157609 (1939-05-01), Hopkins
patent: 2630056 (1953-03-01), Glascock
patent: 2828682 (1958-04-01), Marker
patent: 3520245 (1970-07-01), Painter
patent: 4432273 (1984-02-01), Devitt
patent: 4800803 (1989-01-01), Farmont
patent: 4899645 (1990-02-01), Wolfe et al.
patent: 4905579 (1990-03-01), Dame
patent: 4939986 (1990-07-01), Turner
patent: 4942806 (1990-07-01), Hwang

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