Fluid sterilization system

Patent metadata

Field	Value
Publication number	US-11285237-B2
Application number	US-201916716995-A
Country	US
Kind code	B2
Filing date	Dec 17, 2019
Priority date	Dec 11, 2012
Publication date	Mar 29, 2022
Grant date	Mar 29, 2022

Abstract

A fluid filtration system is shown. The fluid filtration system utilizes a one-piece or multiple piece containers having a plurality of radiation-transmissible media adapted to receive light, such as ultraviolet light, white light or other wavelength light. The radiation-transmissible media are situated in the container and at least one or a plurality of radiation sources, such as ultraviolet lamps, are situated in an array in proximity to the radiation-transmissible media. The radiation-transmissible media interrupts the flow and velocity of the fluid stream passing through the container to extend the duration of radiation for any contaminants and also provide enlarged surface areas for the contaminants to be received and ultimately exposed to the radiation. In one example, the radiation-transmissible media may be tubular or spherical sections that are hollow or solid and made of quartz.

First claim

What is claimed is:

1. A fluid sterilization system comprising:
a housing having a storage area
a container adapted to be removably mounted in said storage area of said housing;
radiation-transmissible media situated in said container; and
a radiation source located in said housing and in operative relationship with said container; and
at least one filter that is situated in series or proximity to said container so that said at least one filter filters a fluid stream passing through the housing;
said radiation-transmissible media being adapted to provide both mechanical filtration by physically capturing organisms as they pass through the container in said fluid stream and substantially simultaneously permitting transmission of radiation from said radiation source through said radiation-transmissible media, said radiation being an appropriate amount to disinfect said fluid stream and at least one surface of said radiation-transmissible media;
said radiation-transmissible media comprising a plurality of discrete transparent members located in said container and defining a matrix therein, said container being adapted to house said plurality of discrete transparent members and to be removable from said housing and having at last one opening or perforation to permit said fluid stream to pass through said container while said radiation source irradiates said plurality of discrete transparent members with at least some of said radiation passing into said container and through said plurality of discrete transparent members;
wherein said radiation source is situated in operative relationship with said radiation-transmissible media so that when said radiation source Is activated, it irradiates said radiation-transmissible media inside said container;
each of said plurality of discrete transparent members being transparent and permitting radiation from said radiation source to pass therethrough to irradiate said organisms residing on said at least one surface.

2. The fluid sterilization system as recited in claim 1 wherein said radiation-transmissible media comprises at least one of quartz media, glass or polymer.

3. The fluid sterilization system as recited in claim 1 wherein said radiation-transmissible media comprises quartz media.

4. The fluid sterilization system as recited in claim 3 wherein said container comprises a plurality of said quartz media.

5. The fluid sterilization system as recited in claim 4 wherein said plurality of said quartz media comprises different predetermined shapes.

6. The fluid sterilization system as recited in claim 4 wherein said plurality of said quartz media comprises generally the same predetermined shape.

7. The fluid sterilization system as recited in claim 6 wherein said predetermined shape is at least one of a circular shape, a cylindrical shape, a spherical shape, or a polygonal shape.

8. The fluid sterilization system as recited in claim 6 wherein said predetermined shape is a hollow or solid shape.

9. The fluid sterilization system as recited in claim 7 wherein said predetermined shape is a hollow or solid shape.

10. The fluid sterilization system as recited in claim 1 wherein said radiation source is at least one of white light or an ultraviolet radiation source.

11. The fluid sterilization system as recited in claim 1 wherein said radiation source is an ultraviolet radiation source.

12. The fluid sterilization system as recited in claim 7 wherein said container comprises a plurality of said quartz media.

13. The fluid sterilization system as recited in claim 6 wherein said predetermined shape is coated or doped with at least one of an ultraviolet emission material or a fluorescent material.

14. The fluid sterilization system as recited in claim 1 wherein said at least one of a size of said radiation-transmissible media or a number of said radiation-transmissible media are selected in response to a velocity of said fluid stream through said container.

15. The fluid sterilization system as recited in claim 1 wherein said container is generally planar and lies in a first imaginary plane, said radiation source comprises a plurality of ultraviolet lamps arrayed in a linear pattern in a second imaginary plane above said container.

16. The fluid sterilization system as recited in claim 15 wherein said first and second imaginary planes are generally parallel.

17. The fluid sterilization system as recited in claim 1 wherein said container is generally cylindrical and said radiation source comprises a plurality of ultraviolet lamps arrayed generally radially around said container.

18. The fluid sterilization system as recited in claim 2 wherein said radiation-transmissible media comprises a plurality of media, each of which are generally the same size.

19. The fluid sterilization system as recited in claim 2 wherein said radiation-transmissible media comprises a plurality of media having different sizes or dimensions.

20. The fluid sterilization system as recited in claim 3 wherein at least one of a size or amount of said radiation-transmissible media is adapted to at least one of vary a path of said fluid stream, disrupt said fluid stream, or slow a velocity of said fluid stream.

21. The fluid sterilization system as recited in claim 1 wherein said housing is a mobile housing and said container is generally planar and lies in a first imaginary plane, said radiation source comprises a plurality of ultraviolet lamps arrayed in a linear pattern in a second imaginary plane within or adjacent to said container; said fluid sterilization system further comprising:
said mobile housing adapted to house said container containing said plurality of ultraviolet lamps, said plurality of said radiation-transmissible media and said plurality of ultraviolet lamps;
said mobile housing having at least one fan or blower and a controller for controlling operation of said at least one fan or blower and said plurality of ultraviolet lamps.

22. The fluid sterilization system as recited in claim 1 wherein said radiation source comprises a plurality of ultraviolet lamps arranged in a generally circular array, wherein said plurality of ultraviolet lamps generally surround said radiation-transmissible media.

23. The fluid sterilization system as recited in claim 1 wherein said container is a one-piece construction that houses both said radiation-transmissible media and said radiation source.

24. The fluid sterilization system as recited in claim 1 wherein said container is adapted to receive said radiation-transmissible media and a second member comprises a frame that receives and supports said radiation source.

25. The fluid sterilization system as recited in claim 24 wherein said second member is adjacent to said radiation-transmissible media either upstream or downstream of said radiation-transmissible media.

26. The fluid sterilization system as recited in claim 21 wherein said mobile housing comprises a housing having at least one locator frame for removably locating said container to a desired position in said housing such that said radiation-transmissible media interrupts a fluid stream.

27. The fluid sterilization system as recited in claim 1 wherein said radiation-transmissible media is substantially transparent to light.

28. A filtration assembly for use in a fluid filtration system, said filtration assembly comprising:
a

Assignees

• Kirschman David Louis
• Aerobiotix Inc

Inventors

• Kirschman David Louis

Classifications

• A61L2209/14

  Filtering means · CPC title

• B01D2273/30

  Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan · CPC title

• B01D46/62

  connected in series · CPC title

• B01D46/0028

  provided with antibacterial or antifungal means · CPC title

• B01D46/0002

  Casings; Housings; Frame constructions · CPC title