Illumination and ventilation system for buildings

Details Illumination and ventilation system for buildings Illumination and ventilation system for buildings

1976-01-06

1979-09-18

Yuen, Henry C.

98 74, 98 37, 49 31, 49135, F24F 1300

Patent

active

041678982

ABSTRACT:
An illumination and ventilation system for buildings and other enclosures utilizing at least one closure unit mounted in one or more sides of the building or other enclosure. The closure unit has a frame within which are a plurality of pivotally mounted, independently, movable, downwardly extending, blades. The blades are mounted within the frame with the pivot axii of the blades parallel and lying in a sloping plane when the closure unit is installed in the side of a building, or other enclosure. In a rectangular plan building or enclosure, four or more closure units should be employed; one or two for the windward side or sides, and three or two for the nonwindward and leeward sides. With this system, the windward and leeward and nonwindward closure units, will operate independently of each other and will be individually responsive to the net resultant wind pressures on each side of the building. Because the movement of the closure unit blades on any side of a building are also equally controlled by gravity, the dominant control of each closure is determined by wind conditions.

REFERENCES:
patent: 18100 (1857-09-01), Maykew
patent: 90180 (1869-05-01), Mend
patent: 532452 (1895-01-01), Elwell
patent: 614368 (1898-11-01), Cramer
patent: 827030 (1906-07-01), Noblett
patent: 1254517 (1918-01-01), Lumm
patent: 1672291 (1928-06-01), Williams
patent: 3521546 (1970-07-01), Day
patent: 3822637 (1974-07-01), Whitlock

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