AIR MOVEMENT SYSTEM AND AIR CLEANING SYSTEM
First Claim
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1. An air movement and air cleaning system, comprising:
- a housing adapted for placement in a building for air flow communication within the housing;
a means for drawing air from the building through the housing, said means for drawing air being proximate to the housing and wherein air flow communicates thereby;
an ultraviolet light means attached within said housing that radiates ultraviolet light; and
a surface of a photocatalytically active material also within said housing, and said surface of photocatalytically active material being within target range of said ultraviolet light radiation, such that the ultraviolet light radiation impinges on at least a portion of the surface of a photocatalytically active material;
whereby air flowing through said housing is drawn therethrough and contacts the surface of photocatalytically active material in the presence of the ultraviolet light radiation means.
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Abstract
An air movement and air cleaning system which includes an air movement system preferably including fan and fan housing to prevent thermal gradients in a building or room, in combination with an air cleaning surface of at least titanium dioxide, to react with moisture in the air and an ultraviolet light source in close proximity to the air cleaning surface, such that as humidity in the air passes through the air movement system over the titanium dioxide, the ultraviolet light creates hydroxyl radicals in the presence of the titanium oxide catalytic surface thereby purifying the air that passes therethrough.
55 Citations
14 Claims
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1. An air movement and air cleaning system, comprising:
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a housing adapted for placement in a building for air flow communication within the housing; a means for drawing air from the building through the housing, said means for drawing air being proximate to the housing and wherein air flow communicates thereby; an ultraviolet light means attached within said housing that radiates ultraviolet light; and a surface of a photocatalytically active material also within said housing, and said surface of photocatalytically active material being within target range of said ultraviolet light radiation, such that the ultraviolet light radiation impinges on at least a portion of the surface of a photocatalytically active material; whereby air flowing through said housing is drawn therethrough and contacts the surface of photocatalytically active material in the presence of the ultraviolet light radiation means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An air movement and air cleaning system, comprising:
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a housing coated at least partially with a titanium oxide-containing coating, said housing being adapted for placement in a building for air flow communication within the housing; a fan for drawing air from within the building through the housing, said fan for drawing air being proximate to the housing and wherein air flow communicates thereby; an ultraviolet light means attached within said housing that radiates ultraviolet light; and fan blades being at least partially coated with a photocatalytically active material also within said housing, and said photocatalytically active material being within proximate target range of said ultraviolet light radiation, such that the ultraviolet light radiation impinges on at least a portion of the surface of the photocatalytically active material; whereby air flowing through said housing is drawn therethrough and contacts the surface of the photocatalytically active material in the presence of the ultraviolet light radiation means. - View Dependent Claims (14)
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Specification