US 12,320,547 B2
Air sanitizer with boundlessly-extended sanitizing chamber and method of using same
Eyal Konstantine Levit, Brooklyn, NY (US); Oleg Osadchuk, Moscow (RU); and Eugene Boure, Brooklyn, NY (US)
Filed by DDD Technology Corp., Brooklyn, NY (US)
Filed on Jul. 30, 2021, as Appl. No. 17/390,386.
Claims priority of provisional application 63/170,559, filed on Apr. 4, 2021.
Claims priority of provisional application 63/059,961, filed on Jul. 31, 2020.
Prior Publication US 2022/0034531 A1, Feb. 3, 2022
Int. Cl. F24F 8/22 (2021.01); F24F 13/14 (2006.01); F24F 9/00 (2006.01)
CPC F24F 8/22 (2021.01) [F24F 13/14 (2013.01); F24F 2009/007 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A UV air sanitizing device, comprising:
a. an enclosure, said enclosure comprising:
i. a top side,
ii. a bottom side,
iii. a width,
iv. an inlet emitter area, said inlet emitter area comprising:
1. a plurality of inlet directional louvers, said inlet directional louvers positioned externally, said inlet directional louvers positioned to extend parallel to a ceiling along the width of the enclosure,
2. said inlet emitter area optimized for drawing in outside air stream, while simultaneously emitting ultraviolet germicidal radiation into said outside air stream;
v. an outlet curtaining area,
1. Said outlet curtaining area optimized for precisely directing and sustaining a curtain of sanitized air;
vi. an internal air passage space,
1. Said internal air passage space having an internal length, extending from the inlet emitter area to the outlet curtaining area, and
2. comprising walls of the passage space;
vii. a disinfection unit, said disinfection unit comprising at least one UV lamp;
viii. at least one fan, said fan configured for drawing air from outside the enclosure through the inlet emitter area; and
b. wherein at least one of the at least one UV lamp is positioned inside the enclosure, said at least one of the at least one UV lamp positioned and spatially directed to simultaneously:
i. irradiate air moving inside the enclosure,
ii. irradiate air entering and moving through the inlet emitter area,
iii. as well as to irradiate a moving stream of air, said stream located outside of the enclosure and drawn toward the inlet emitter area by the fan,
c. wherein the at least one UV lamp is adapted to emit light in the UVC band of UV light,
d. wherein
i. the inlet emitter area, said inlet emitter area configured for emitting ultraviolet germicidal radiation outside of the enclosure onto a moving stream of air is positioned in the top side of the enclosure; and
ii. the outlet curtaining area is positioned on the bottom side of the enclosure and comprises at least one outlet directional louver, said at least one outlet directional louver movingly attached to the outlet curtaining area.