Device for high-purity filtering and disinfecting breathing air

• US 6,322,614 B1
• Filed: 12/09/1998
• Issued: 11/27/2001
• Est. Priority Date: 12/18/1996
• Status: Expired due to Fees

• Current Assignee: Kurt Tillmans
• Original Assignee: Kurt Tillmans
• Inventors: Tillmans, Kurt
• Primary Examiner(s): Chiesa, Richard L.
• Application Number:
  US09/202,222
• Time in Patent Office: 1,084 Days
• Field of Search: 553/851, 554/85, 554/86, 554/87, 96/16, 962/23, 962/24, 96F/OR.175, 96/63, 952/86, 952/87, 959/01, 422/24, 422/121
• US Class Current: 96/16
• CPC Class Codes: A61L 9/16 using physical phenomena
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: B01D 46/00 Filters or filtering processes specially modified for separating dispersed particles from gases or vapours filtering elements B01D24/00-B01D35/00; filtering material B01D39/00; their regeneration outside the filters B01D41/00
• CPC Class Codes: F24F 1/0071 with means for purifying supplied air perfuming or deodorising means F24F1/008
• CPC Class Codes: F24F 7/065 fan combined with single duct; mounting arrangements of a fan in a duct
• CPC Class Codes: F24F 8/22 using UV light
• CPC Class Codes: Y02A 50/20 Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
• CPC Class Codes: Y10S 95/901 Activated carbon

Abstract

The present invention refers to a device for high-purity filtering and disinfecting breathing air. The device includes a fine-dust filter and fan arranged on a housing. An elongate air flow tube is also arranged on the housing and is oriented to receive air flow from the housing. A second filter for disinfecting air is included in the elongate air flow tube. Arranged in series in the air flow tube are a third, main filter for removing microorganisms and a fourth, activated carbon filter for removing noxious fumes.

Claims

1. A device for high-purity filtering and disinfecting air in an air stream, comprising:

a housing,

a fine-dust filter and a fan arranged on said housing for drawing an air stream into said housing through said fine-dust filter,

an elongate air flow tube arranged on said housing and receiving at a first end thereof for flow therethrough said air stream from said housing,

means inside said elongate air flow tube for disinfecting the air in said air stream by destroying microorganisms while simultaneously creating noxious fumes, a main filter for removing the microorganisms from the air stream and an activated carbon filter for removing the noxious fumes, all arranged in series inside said tube, and

a discharge cone arranged at a second end of said air flow tube remote from said first end and adjacent said activated carbon filter to define an air outlet gap through which the air stream from said activated carbon filter directly exits the second end of said tube.

2. A device according to claim 1, wherein the housing the comprises

a base plate,

two side walls which are fastened to said base plate,

a front wall connected to the side walls as well as the base plate, and

a rear wall.

3. A device according to claim 2, wherein at least one of the walls has an air inlet opening.

4. A device according to claim 1, wherein the fan is secured in position with the aid of sound-insulating means.

5. A device according to claim 1, wherein the tube comprises a lower tubular component and an upper tubular component.

6. A device according to claim 5, wherein the lower tubular component has arranged therein the disinfecting means and the upper tubular component has arranged therein the main filter and the activated carbon filter.

7. A device according to claim 1, wherein the disinfecting means are UV-C lamps.

8. A device according to claim 1, wherein an inner surface of the tube is at least partly metallized.

9. A device according to claim 1, wherein an inner surface of the tube is provided with an electrically conductive lacquer.

10. A device according to claim 1, wherein at least one of said fine-dust filter, main filter and activated carbon filter is surrounded by a grounded metallic net.

11. A device according to claim 1, wherein an end of said tube has a plurality of balls arranged thereon, and the discharge cone is secured to said plurality of balls.

12. A device according to claim 1, wherein the discharge cone has arranged therein a lamp for illuminating the environment around the housing.

13. In combination, a floor lamp, and a filtering device, the filtering device being mounted to the floor lamp, the filtering device comprising:

a housing,

a fine-dust filter and a fan arranged on said housing for drawing an air stream into said housing through said fine-dust filter,

an elongate tube arranged on said housing and receiving at a first end thereof for flow therethrough said air stream from said housing,

means inside said elongate tube for disinfecting the air in said air stream by destroying microorganisms while simultaneously creating noxious fumes, a main filter for removing the microorganisms from the air stream and an activated carbon filter for removing the noxious fumes, all arranged in series inside said tube, and

a discharge cone arranged at a second end of said tube remote from said first end to define an air outlet gap through which the air stream exits the second end of said tube.

14. The combination according to claim 13, wherein the floor lamp includes switches to adjust at least one of the light intensity emitted from the floor lamp and the amount of air flowing through the filter device.