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1. US11052169 - Systems, apparatus and methods for purifying air

Office
United States of America
Application Number 16987011
Application Date 06.08.2020
Publication Number 11052169
Publication Date 06.07.2021
Grant Number 11052169
Grant Date 06.07.2021
Publication Kind B1
IPC
A61L 9/20
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
9Disinfection, sterilisation or deodorisation of air
16using physical phenomena
18Radiation
20Ultra-violet radiation
F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
F24D 15/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
15Other domestic- or space-heating systems
B01D 46/10
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
10Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces
B01D 46/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
A62B 11/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
11Devices for reconditioning breathing air in sealed rooms
CPC
A62B 7/02
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
7Respiratory apparatus
02with compressed oxygen or air
A61L 9/20
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
9Disinfection, sterilisation or deodorisation of air
16using physical phenomena
18Radiation
20Ultra-violet radiation
A62B 9/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
9Component parts for respiratory or breathing apparatus
A62B 11/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
11Devices for reconditioning breathing air in sealed rooms
A62B 23/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
23Filters for breathing-protection purposes
B01D 46/0028
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters ; , i.e. particle separators; or filtering processes specially modified for separating dispersed particles from gases or vapours
0027with additional separating or treating functions
0028provided with antibacterial or antifungal means
Applicants Madhavan Pisharodi
Perumala Holdings, LLC
Inventors Madhavan Pisharodi
Agents D'Ambrosio & Menon, PLLC
Usha Menon
Title
(EN) Systems, apparatus and methods for purifying air
Abstract
(EN)

Systems, apparatus and methods for disinfection of airflow. An apparatus for disinfecting air-conditioned airflow in a confined space includes: a modular housing; and a disinfection chamber enclosed within the housing. The disinfection chamber includes a plurality of disinfection sheets. Each disinfection sheet comprises a plurality of ultraviolet (UV) light sources. The airflow is configured to be routed along a serpentine pathway within the housing to expose microorganisms in the airflow to far UV-C light emitted by the UV light sources for an extended and optimal duration.