Air sterilizing assembly

• US 8,497,491 B2
• Filed: 08/13/2009
• Issued: 07/30/2013
• Est. Priority Date: 05/20/2009
• Status: Active Grant

• Current Assignee: Nauchno-Proizvodstvennoe Predpriyatie Melitta Limited Liability Company
• Original Assignee: Yanex Intellectual Property Limited
• Inventors: Goldshtein, Yakov Abrammerovich, Shashkovsky, Sergei Gennadevich
• Primary Examiner(s): Souw, Bernard E
• Application Number:
  US13/321,168
• Publication Number:
  US 20120119108A1
• Time in Patent Office: 1,447 Days
• Field of Search: 250/436, 250/438, 250/455.1, 250/493.1, 250/461.1, 250/472.1, 250/473.1, 250/504.R, 315 50- 53, 315 56- 59, 315/209.CD, 315/275, 315/355, 362/216, 362/217.01, 362/218, 362/226, 362/257, 362/264, 362/294, 362/310, 362/363, 362/373, 422/22, 422/24, 422/120, 422/121, 422/186, 422/186.11, 422/186.19, 422/186.2, 422/186.25
• US Class Current: 250/504.R
• CPC Class Codes: A61L 2202/25 Rooms in buildings, passenger compartments
• CPC Class Codes: A61L 2209/11 Apparatus for controlling air treatment
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: Y02A 50/20 Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

An air disinfection device aimed at improving the efficiency and quality of air disinfection or sterilization may be achieved through an air disinfection device comprising a body housing a power supply and control unit, which, in turn, comprises an energy storage capacitor, a high-voltage constant current source, an ignition pulse generator, a ferrite-core pulse transformer, and a program control unit. The air disinfection device may also comprise an ultra-violet radiation source in the form of a pulsed gas-discharge lamp mounted on the body and enclosed in a tubular quartz casing. Given that the energy storage capacitor and the pulsed gas-discharge lamp may form a discharge circuit connected to the ignition pulse generator through the ferrite-core pulse transformer, the pulsed gas-discharge lamp may be placed in a bactericidal radiation translucent casing, resulting in convection air-cooling due to a natural draft inside the casing that disinfects and sterilizes surrounding air.

Claims

1. An air disinfection device comprising:

a body, wherein the body houses;

a power supply; and

a control unit, wherein the control unit comprises a storage capacitor, a high-voltage DC power supply, an ignition pulse generator, a ferrite-core pulse transformer, and a program control unit; and

an ultraviolet radiation source mounted on the body, wherein the ultraviolet radiation source comprises a pulse gas discharge lamp enclosed in a tubular cooled casing, the tubular cooled casing being translucent to bactericidal radiation;

wherein the storage capacitor and the pulse gas discharge lamp form a discharge circuit connected to the ignition pulse generator through the ferrite-core pulse transformer;

wherein the tubular cooled casing has one or more upper orifices defined through the tubular cooled casing and one or more lower orifices defined through the tubular cooled casing; and

wherein convection air cooling capabilities provided by a natural draft is operable to be produced inside the tubular cooled casing.

2. The air disinfection device of claim 1, wherein the one or more upper orifices in the tubular cooled casing and the one or more lower orifices in the tubular cooled casing are separated by a distance h, based on the following ratio of parameters:

3. The air disinfection device of claim 1, wherein the ultraviolet radiation source is installed vertically on the body.

4. The air disinfection device of claim 3, wherein the pulse gas discharge lamp is U-shaped.

5. The air disinfection device of claim 1, wherein the ultraviolet radiation source is installed horizontally on the body.

6. The air disinfection device of claim 5, wherein the one or more lower level orifices are defined in a first lateral surface of the tubular cooled casing.

7. The air disinfection device of claim 6, wherein the one or more upper level orifices are defined in a second lateral surface of the tubular cooled casing.

8. The air disinfection device of claim 3, wherein the pulse gas discharge lamp is cylindrical.