Ventilation – Having outlet airway – Having specific cover or shield for exterior vent opening
Patent
1990-08-03
1992-01-07
Joyce, Harold
Ventilation
Having outlet airway
Having specific cover or shield for exterior vent opening
454366, 454900, F24F 7007
Patent
active
050780476
ABSTRACT:
There is provided in combination with a building roof over an air space requiring forced ventilation of solar energy heated air from the space through a vent hole in the roof, an electrically operated exhaust fan mounted in air exhausting relation on the roof and over the vent hole, and a solar panel for supplying electrical power to a fan driving motor when exposed to solar rays. Air exhaust passage through the device includes a backwash turbulence preventing ring-shape plate extending between a supporting ring body which is of smaller diameter than an exhaust air directing hood on which the solar panel is mounted, and a ring channel member supporting the exhaust fan in a manner to draw the exhaust air through the ring channel into the hood.
REFERENCES:
patent: 2831416 (1958-04-01), Doherty
patent: 3469519 (1969-09-01), Painter
patent: 3520093 (1970-07-01), Painter
patent: 3934494 (1976-01-01), Butler
patent: 4432273 (1984-02-01), Devitt
Solarex An Amoco Company, "SA-5 Amorphous Silicon Module User's Information Guide", 4/89.
Joyce Harold
Taurus Safety Products, Inc.
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