Photocatalytic device with curved reflectors
AssigneeDust Free, LP
InventorGregg W. Burnett
Life of this patent
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Abstract
A photocatalytic device has an ultraviolet light source and a plurality of photocatalytic structures, such as hydrated quad-metallic catalyst surfaces. The photocatalytic device has curved reflectors that are positioned to reflect ultraviolet light against a face of the photocatalytic structures. The curved reflectors are shaped to minimize the distance traveled by the ultraviolet light between the light source and the photocatalytic structure. The curved reflector is further shaped to direct reflected ultraviolet against the surface of the photocatalytic structure in a perpendicular direction.
Claims22
A photocatalytic device, comprising:
- an ultraviolet light source;
- one or more catalyst substrates adapted to support a hydroxyl radical reaction with ultraviolet light and water vapor that results in hydro peroxides and hydroxyl ions;
- and
- a plurality of convex reflectors positioned adjacent to the one or more catalyst substrates, with the ultraviolet light source positioned between the convex reflectors, a convex face of each of the convex reflectors having a shape adapted to face the ultraviolet light source and to distribute reflected light from the ultraviolet light source across a surface of the one or more catalyst substrates.
A reflector system for a photocatalytic device, comprising:
- a plurality of reflective surfaces, each surface having a convex shape in at least one cross-sectional direction;
- the reflective surfaces adapted to be mounted in the photocatalytic device adjacent to an ultraviolet light source and a catalyst substrate, wherein the catalyst substrate is adapted to support a hydroxyl radical reaction with ultraviolet light and water vapor that results in hydro peroxides and hydroxyl ions, and the ultraviolet light source disposed between the reflective surfaces;
- and
- wherein the convex shape of the reflective surface is adapted to face the ultraviolet light source and to distribute reflected light from the ultraviolet light source across a surface of a catalyst substrate.
A method of manufacturing a photocatalytic device, comprising:
- providing an ultraviolet light source;
- providing a first catalyst substrate and a second catalyst substrate, wherein the catalyst substrates are adapted to support a hydroxyl radical reaction with ultraviolet light and water vapor that results in hydro peroxides and hydroxyl ions;
- providing a first and second convex reflector;
- positioning the convex reflectors adjacent to the first and second catalyst substrates;
- positioning the ultraviolet light source between the convex reflectors and between the catalyst substrates, wherein the convex reflectors have a convex face facing the ultraviolet light source and have a shape adapted to distribute reflected light from the ultraviolet light source across a surface of one of the catalyst substrates.
Dependencies are inferred from the claim text.