Air purification module and air purification system including the same

Patent metadata

Field	Value
Publication number	US-12465879-B2
Application number	US-202318113911-A
Country	US
Kind code	B2
Filing date	Feb 24, 2023
Priority date	Sep 21, 2022
Publication date	Nov 11, 2025
Grant date	Nov 11, 2025

Abstract

An air purification module which purifies introduced unpurified air and discharge purified air, includes a first filter supporter extending in a first direction and having a penetrating shape including a first hollow region, a first filter which is supported by the first filter supporter and penetrates a side portion of the first filter supporter, a second filter supporter extending in the first direction, having a penetrating shape including a second hollow region, and disposed in the first hollow region, a second filter which is supported by the second filter supporter and penetrates a side portion of the second filter supporter, and a light source module disposed in the second hollow region.

First claim

What is claimed is:

1 . An air purification module which purifies introduced unpurified air and discharge purified air, the air purification module comprising:
a first filter supporter extending in a first direction and having a penetrating shape including a first hollow region; a first filter which is supported by the first filter supporter and penetrates a side portion of the first filter supporter; a second filter supporter extending in the first direction, having a penetrating shape including a second hollow region, and disposed in the first hollow region; a second filter which is supported by the second filter supporter and penetrates a side portion of the second filter supporter; and a light source module disposed in the second hollow region.

2 . The air purification module of claim 1 , wherein at least one of the first filter and the second filter comprises at least one of a prefilter, a high-efficiency particulate air filter, a fabric filter, and a ceramic filter, which include micro pores.

3 . The air purification module of claim 1 , wherein the first filter comprises a (1-1)th filter surface disposed at an upstream of an air flow and a (1-2)th filter surface disposed at a downstream of the air flow,
the second filter comprises a (2-1)th filter surface disposed at the upstream of the air flow and a (2-2)th filter surface disposed at the downstream of the air flow, a thickness of the first filter extending from the (1-1)th filter surface to the (1-2)th filter surface is between about 0.1 centimeter and about 100 centimeter, and a thickness of the second filter extending from the (2-1)th filter surface to the (2-2)th filter surface is between about 0.1 centimeter and about 100 centimeter.

4 . The air purification module of claim 3 , wherein the unpurified air defines a flow path of air from the (1-1)th filter surface, the (1-2)th filter surface, the first hollow region, the (2-1)th filter surface, and the (2-2)th filter surface to the second hollow region.

5 . The air purification module of claim 1 , wherein the first filter comprises a (1-1)th filter surface disposed at an upstream of an air flow and a (1-2)th filter surface disposed at a downstream of the air flow, and
at least one of copper (Cu), Cu alloy, silver (Ag), and platinum (Pt) are coated on at least one of the (1-1)th filter surface and the (1-2)th filter surface.

6 . The air purification module of claim 1 , wherein a ratio of a cross-sectional area of a second cross section of the second filter supporter cut along one plane perpendicular to the first direction to a cross-sectional area of a first cross section of the first filter supporter cut along one plane perpendicular to the first direction is between 0.01 and 0.99.

7 . The air purification module of claim 1 , wherein a shape of a first cross section of the first filter supporter cut along one plane perpendicular to the first direction and a shape of a second cross section of the second filter supporter cut along one plane perpendicular to the first direction comprise at least one of a circle, an oval, and a polygon.

8 . The air purification module of claim 1 , wherein the second filter comprises a (2-1)th filter surface disposed at an upstream of the air flow, and at least one of Cu, Cu alloy, Ag, and Pt are coated on the (2-1)th filter surface.

9 . The air purification module of claim 1 , wherein the second filter comprises a (2-2)th filter surface disposed at a downstream of the air flow, and a photocatalyst is coated on the (2-2)th filter surface.

10 . The air purification module of claim 9 , wherein the photocatalyst comprises at least one of a metal, a metal oxide, a metal carbide, a metal nitride, a metal oxynitride,
the metal comprises at least one of titanium (Ti), zinc (Zn), zirconium (Zr), tantalum (Ta), niobium (Nb), tungsten (W), copper (Cu), platinum (Pt), gold (Au), silver (Ag), and palladium (Pd), the photocatalyst includes a particle, the particle has at least one of a sphere shape, a tube shape, a bar shape, a fiber shape, a sheet shape, and the particle is a primary particle or a secondary particle which is a combination of a plurality of primary particles.

11 . The air purification module of claim 9 , wherein light irradiated from the light source module comprises at least one of radio waves, microwaves, ultraviolet light, visible light, infrared light, and x-rays, which activates the photocatalyst.

12 . The air purification module of claim 11 , wherein a light source included in the light source module comprises at least one of an incandescent lamp, a halogen lamp, a fluorescent lamp, a mercury lamp, a fluorescent mercury lamp, a metal halide lamp, a xenon lamp, a low-pressure sodium lamp, a high-pressure sodium lamp, and a light-emitting diode.

13 . The air purification module of claim 1 , wherein the light source module comprises light sources extending in the first direction,
wherein the light sources are spaced apart from each other at predetermined intervals in a second direction or a third direction perpendicular to the first direction.

14 . The air purification module of claim 1 , wherein the light source module comprises light sources extending in a second direction or a third direction perpendicular to the first direction,
wherein the light sources are spaced apart from each other at predetermined intervals in the first direction.

15 . An air purification system comprising:
a first air purification module comprising:
a first filter supporter extending in a first direction and having a penetrating shape including a first hollow region;
a first filter which is supported by the first filter supporter and penetrates a side portion of the first filter supporter;
a second filter supporter extending in the first direction, having a penetrating shape including a second hollow region, and disposed in the first hollow region;
a second filter which is supported by the second filter supporter and penetrates a side portion of the second filter supporter; and
a light source module disposed in the second hollow region; and
an air discharge module disposed at a downstream of an air flow compared to the first air purification module.

16 . The air purification system of claim 15 , further comprising a second air purification module disposed between the first air purification module and the air discharge module,
wherein the second air purification module comprises a catalyst filter and a light-emitting heat source.

17 . The air purification system of claim 16 , wherein the catalyst filter comprises a photocatalyst and an oxidation catalyst, and the light-emitting heat source irradiates light activating the photocatalyst and provides heat activating the oxidation catalyst.

18 . The air purification system of claim 15 , wherein the first filter or the second filter is a ceramic filter including micro pores.

19 . The air purification system of claim 15 , wherein the second filter comprises a (2-1)th filter surface disposed at an upstream of an air flow, and copper is coated on the (2-1)th filter surface.

20 . The air purification system of claim 15 , wherein the second filter comprises a (2-2)th filter surface disposed at a downstream of an air flow, and a photocatalyst is coated on the (2-2)th filter surface.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Mijong
• Ham Dongjin
• Kwon Hyukjae
• Lee Hyun Chul

Classifications

• A61L9/20

  Ultraviolet radiation · CPC title

• A61L2209/14

  Filtering means · CPC title

• B01D2259/804

  UV light · CPC title

• B01D2255/915

  Catalyst supported on particulate filters · CPC title

• B01D2255/802

  Photocatalytic · CPC title