WO1992020974A1 - Systeme desinfectant - Google Patents

Systeme desinfectant Download PDF

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Publication number
WO1992020974A1
WO1992020974A1 PCT/AU1992/000221 AU9200221W WO9220974A1 WO 1992020974 A1 WO1992020974 A1 WO 1992020974A1 AU 9200221 W AU9200221 W AU 9200221W WO 9220974 A1 WO9220974 A1 WO 9220974A1
Authority
WO
WIPO (PCT)
Prior art keywords
baffle
air stream
air
baffle means
lamp
Prior art date
Application number
PCT/AU1992/000221
Other languages
English (en)
Inventor
Stephen John Smith
Stanley Robert Simmons
Luke Robert Simmons
Kevin William Manson
Original Assignee
Vertron International Pty. Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vertron International Pty. Limited filed Critical Vertron International Pty. Limited
Priority to AU16917/92A priority Critical patent/AU658628B2/en
Publication of WO1992020974A1 publication Critical patent/WO1992020974A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-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
    • F24F3/12—Air-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 characterised by the treatment of the air otherwise than by heating and cooling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention relates to disinfectant systems, and more particularly to a
  • UV 1 ultraviolet
  • air passing through the ventilation system is subjected to UV radiation from the lamps, killing bacteria, germs, moulds and viruses.
  • UV radiation typically, most of the biological contaminants are carried on dust particles entrained in the air stream.
  • the effectiveness of UV radiation as a disinfectant system depends on the exposure of the bacteria, germs, and viruses to the disinfecting radiation.
  • a number of approaches relying on UV disinfection are known, none achieves the efficiency and effectiveness of killing biological contaminants achieved by the
  • Pacess U.S. Patent No.4,990,313 (February 5, 1991), for Ultraviolet Device, discloses an UV lamp mounted in line in an air return system of an air- conditioning unit to destroy cooling coil and drain pan bacterial accumulations, growth of mold spores or slime, dust mites, airborne diseases, pollens and pollutants, and to purify the return air.
  • Pacess discloses a lamp, mounted between the air filter and the cooling coil, upstream of the fan. The lamp is simply mounted in line and no additional measures are taken to insure the effectiveness of exposure of biological contaminants in the air stream to the UV radiation.
  • Bohmemeieker U.S. Patent No.4,118,191 (October 3, 1978) for Gas Sterilization Apparatus also includes a UV lamp and a series of filters to filter out germs and to kill them on the surfaces of the filter elements.
  • Bohmemeieker discloses the improvement of a series of vanes to increase the turbulence of the flow before the air enters the kill chamber.
  • Bohmemeieker's kill chamber comprises an UV lamp encased by
  • Sokolik's apparatus in an air-heating or air-circulating system or combined heating and cooling system.
  • Sokolik's apparatus includes an elongated germicidal lamp oriented parallel to the direction of the air flow through the ventilation system.
  • a helical deflector is disposed around the germicidal lamp so that it transverses the housing in which the lamp is mounted.
  • the helical member cooperates with the germicidal lamp to force the air stream flowing around the lamp in a helical path prolonging the exposure of the bacteria and other germs in the air stream to the lamp's UV rays.
  • the primary object of the present invention is to provide a method and system for disinfecting air passing through air-conditioning, and other ventilation systems so as to try to overcome, or at least reduce the above problems.
  • a further object of the present invention is to provide an inexpensive disinfectant system.
  • Another object of the present invention is to provide a disinfectant system that is easy to install and to maintain.
  • An additional object of the present invention is to provide a disinfectant system that is efficient to operate.
  • a further object of the present invention is to provide a disinfectant system that is compact.
  • Yet a further object of the present invention is to provide a disinfectant system that
  • Another object of the present invention is to provide a disinfectant system that will achieve high kill ratios.
  • An additional object of the present invention is to provide a disinfectant system that is economical and can be readily adapted to various types of existing ventilation systems.
  • the present invention overcomes the disadvantages of the prior art and achieves the objects of the invention by providing a disinfectant system for use in various types of known ventilation systems.
  • the present invention provides an inexpensive, reliable, disinfectant system, that is easy to install and maintain, and is readily adapted to various types of ventilation systems that are commonly in use.
  • the invention is a disinfectant system for disinfecting an air stream flowing through a section of ventilation ductwork having a first transverse direction, a second transverse direction substantially normal to the first transverse direction, and upstream and downstream directions, comprising: first baffle means, for redistributing the air in the ventilation system to achieve a substantially even redistribution of the velocity and pressure of the air stream in the first and second transverse directions, ultra-violet lamp means, disposed downstream of said first baffle means, for irradiating the air stream flowing through the disinfection system; power supply
  • Fig. 1 is a schematic cross-sectional side elevation through a system for disinfecting air passing through an air-conditioning duct.
  • Fig. 2 is a schematic cross-sectional view on line - II - II of Fig. 1.
  • Fig.3 is a graph depicting the relationship between the velocity and cross-sectional position in a duct of a typical air-handhng system, at a position downstream from the fan or blower of such a system, at a position where the present invention might be used.
  • Fig. 4 is a graph showing the relationship between air velocity and cross-sectional position of the air stream at a position immediately downstream of the first baffle of the present invention.
  • Fig.5 is a frontal elevation view of a preferred embodiment of the first baffle of the
  • Fig. 6 is a partial cross-sectional elevation view of a portion of the disinfectant system of the present invention, showing a vertical cross-sectional elevation of the first baffle of the present invention and a portion of the UV lamps.
  • Fig.7 is a vertical cross-sectional view of the disinfectant system invention, showing, in cross-section, the first baffle of the present invention and the disposition of the second baffle of the present invention around the lamps.
  • Fig. 8 is a transverse-vertical, cross-sectional view of the chamber of the present
  • Fig.9 is a verticle, longitudinal, cross-sectional view of the disinfectant system of the present invention showing another embodiment of the disinfectant system of the present invention, comprising a single UV lamp.
  • Fig. 10 is a verticle, longitudinal, cross-sectional view of the disinfectant system of the present invention showing another embodiment of the present invention comprising multiple UV lamp elements.
  • Fig. 11 is an oblique view of the chamber of the present invention, showing the hinged cover of the housing for ease of access for maintaining the devise.
  • Fig. 12 is a detail of the portion identified in Fig. 10 of a preferred embodiment of the present invention comprising multiple UV lamp elements.
  • Fig. 13 is an exploded rear view of another embodiment of the present invention viewed from a position downstream of the present invention.
  • Fig. 14 is an exploded frontal view of another embodiment of the present invention viewed from a position upstream of the present invention.
  • a system according to one aspect of the present invention for disinfecting air in air-conditioning systems comprises a chamber (1) having an inlet (2) and an outlet (3) for connection to an air-conditioning duct.
  • the inlet (2) can be provided with a fan (4), but this is not essential where the air-conditioning system itself provides adequate air flow.
  • the chamber (1) is also provided with a deflection plate (20) adjacent to the inlet (2) so as to dissipate and cause turbulence in the air entering the chamber and thereby reduce any "dead spots" in the chamber where bacteria can promulgate.
  • the chamber (1) is provided with mounting brackets (6) at spaced intervals, to which are mounted ultra-violet lamps (7).
  • the ultra-violet lamps are longitudinal and arranged along the length of the chamber so that air passing through the chamber from the inlet to outlet passes along the length of the lamps.
  • the lamps are preferably 30 watts, although lamps in the range of 30 to 250 watts are utilized and are controlled from a control box (8) powered from a power supply (9).
  • the chamber (1) is preferably made of polished stainless steel plating so as to reflect the ultra-violet light back into the chamber. Alternatively, any appropriate, UV-resistant, reflective material could be used for the inner surface of the chamber (1).
  • UV lamps also produce a small amount of ozone. This also has a beneficial effect in disinfecting the air.
  • other UV lamps which do not produce ozone could also be utilized in this system.
  • Disinfectant System (10) comprises a chamber (1); first baffle means (20); UV lamps (7); and second baffle means (30).
  • disinfectant system (10) is preferably mounted in the duct work of a ventilation system, downstream of fan (4).
  • Fig. 3 is a graph showing the variation of air velocity at a position downstream of fan (4) in a section of ventilation duct of the type well know in the art. Specifically, as shown in Fig.3, the distribution of air velocity across the transverse dimension of a typical duct is not uniform.
  • Fig. 3 depicts the velocity profile in a typical duct of the type known in the art measured from a position downstream of the fan, with the air stream directed normal to the plane of the diagram.
  • the velocity diagram of Fig. 3 would be characteristic of a rotary (propeller-type) fan of known construction oriented with its axis of rotation normal to the plane of the figure and rotating in a clockwise direction.
  • Fig. 3 represents the velocity profile when viewed in a downstream direction along the duct.
  • the Y axis of Fig. 3 depicts the transverse position across the duct, whereas the verticle axis depicts the relative velocity, in arbitrary units.
  • This type of circulation pattern can result in short circuiting of the air flow in the duct work and the deposition of dust particles in low velocity areas. It compounds the difficulty in disinfecting the air passing through the duct work. The eddy effect could result in reinfection of the air stream in typical disinfection systems. Moreover, this type of air flow
  • disinfectant system (10) comprises first baffle means (20).
  • the function of first baffle means is to break the flow of air established by the fan. Specifically, the first baffle redistributes the air to achieve a more even cross-sectional velocity downstream of first baffle (20).
  • first baffle redistributes the air across the plenum, resulting in a more efficient distribution of velocity and pressure than is obtained in prior art systems.
  • the extent of the boundary layer effect is reduced substantially. A more even distribution of velocity across the transverse width of the chamber is achieved.
  • first baffle (20) has first apertures (22) formed therein. Further, as shown in Fig. 6, first apertures (22) have
  • first apertures (22) are approximately 4 millimeter in diameter.
  • first baffle means (20) has a plurality of first apertures (22) formed therein.
  • first baffle means further comprises a
  • deflector means (24) formed in each first aperture to deflect the flow of air and impart a rolling motion to the particles entrained in the air stream.
  • deflector means (24) comprised tap threads formed in apertures (22). As embodied herein, 3 threads per aperture are provided and the threads are preferably spaced apart by a distance of 1 millimeter and are .3 millimeters in depth.
  • first baffle (20 and, in particular, in the apertures (22) and the deflector means (24) of the present invention can be made in first baffle (20 and, in particular, in the apertures (22) and the deflector means (24) of the present invention, without departing from the scope or spirit of the invention.
  • the apertures are dimensioned so that placement of vane deflectors of the type known in the art in the apertures (22) would be difficult. Accordingly threads are used to deflect the air stream. If the apertures (22) formed in first baffle means (20) are made to be roughly 40
  • deflector vanes of various configurations could be placed in apertures (22) to impart a rolling motion to the air flow.
  • First baffle (20) is preferably a polyethylene sheet, approximately 50-60 mm thick.
  • Alternative materials can also be used for first baffle.
  • any suitable UV resistant material capable of creating the requisite head loss for the given flow characteristics could be used provided the effect shown in Fig. 4 is substantially achieved.
  • first baffle could adopt a different configuration.
  • Drift eliminat rs of a type known in the art could also be used in conjunction with the present invention.
  • Brentwood Industries manufactures drift eliminators for cooling towers, which are sold in the trade under the designations DE-080 and DE-120. These devices employ a series of sinusoidal blades. The present inventors believe that these devices could function as first baffle of the present invention. Thus, it is intended that the present
  • baffle means (20) has a concave shape, when viewed from the upstream direction (2).
  • first baffle means (22) increases the velocity of air stream at the
  • first baffle means (20) help create a rolling motion at each aperture and in part, this rolling motion to dust particles passing through first baffle means (20). This rolling motion
  • first baffle means (20) is attached to chamber (1) by supports (26). After the air stream has passed through first baffle (20) and assumed the velocity distribution characteristic of Fig. 4, it passes through the central portion of the chamber in which the UV lamps (7) are mounted. In a preferred embodiment of the present invention, UV lamps (7) are mounted in chamber (1) by mounting brackets (6).
  • the disinfectant system of the present invention further compresses second baffle (30).
  • second baffle (30) A preferred embodiment of second baffle (30) is shown in Fig. 9 and 10 as (30).
  • An alternative embodiment of second baffle (30) is shown in Fig. 7.
  • second baffle means (30) spirals around lamps (7) redirecting the air flow in a grossly laminar fashion around each lamp.
  • second baffle means (30) achieves this effect while not interfering with the rolling motion imparted to the individual dust particles by first baffle means (20).
  • a unique air flow is achieved as a result of the cooperation of first and second baffles with lamps (7) to achieve superior disinfecting action, and in particular, a
  • the turbulence of a fluid flow can be depicted mathematically by a measure known as a Reynolds Number.
  • a measure known as a Reynolds Number In a typical cross-section of air velocity in a duct of known type, such
  • the turbulence of the air flow downstream a fan (4) can be characterized by Reynolds number in the range of ten-to-the-sixth to ten-to-the-seventh.
  • first baffle (20) redistributes the air flow and reduces the turbulence to the range of ten-to-the-third and ten-to-the-fourth. This results in a flow that is characterized by the transitional range between laminar and turbulent air flow.
  • second baffles (30) surrounding the lamps the redistribution of the air flow evens the flow slightly, reducing the turbulence to the range of approximately ten-to-the- third.
  • both baffles are to maximize the contact between the UV light and all faces of individual dust particles.
  • the spiral baffles (30) ensure that the areas around the lamps remain at optimal velocity, to prevent dust accumulation on the
  • first and second baffles (20) and (30) respectively, achieve certain advantages.
  • They break the fan velocity profile and create a more even distribution of air velocity across the transverse and verticle dimensions of the duct.
  • deflectors
  • first baffle means (24) of first baffle means (20) impart a rolling motion to the dust particles exiting the first baffle.
  • a pilot disinfecting system of the present invention was built.
  • the test system was

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

On décrit un système désinfectant servant à désinfecter un courant d'air s'écoulant à travers une partie d'un conduit d'aération (1). Le système désinfectant comprend une première chicane (20) placée sensiblement dans le sens transversal du conduit (1) afin de redistribuer l'air. En particulier, la première chicane (20) redistribue de façon sensiblement régulière la vitesse et la pression du courant d'air dans le sens transversal du conduit. La première chicane présente une forme concave et est orientée de façon que la partie concave se trouve en aval (3). Cette chicane (20) comporte une multiplicité d'ouvertures (22) et des déflecteurs (24) sont installés dans les ouvertures (22) afin de produire un mouvement de roulis dans le courant d'air. La première chicane (20) réduit la turbulence du courant d'un écoulement en régime tourbillonnant à un écoulement en régine intermédiaire. Des lampes ultraviolettes (7) sont placées en aval par rapport à la première chicane (20) et sont alimentées par un dispositif d'alimentation en courant (9) et actionnées par un boîtier de commande (8). Les lampes (7) irradient le courant d'air afin de le désinfecter. Une seconde chicane (30) est placée en spirale autour des lampes (7) et réduit davantage la turbulence de l'écoulement d'air en un écoulement en régime sensiblement laminaire. La seconde chicane (30) produit un mouvement de roulis dans l'écoulement d'air autour des lampes (7), allonge le parcours du courant d'air autour des lampes (7) et augmente le temps d'exposition. De cette façon, les première et seconde chicanes (20) et (30) redistribuent l'air et modifient le courant d'air d'un écoulement en régime sensiblement tourbillonnant en aval de la première chicane (20) en un écoulement en régime sensiblement laminaire autour des lampes.
PCT/AU1992/000221 1991-05-17 1992-05-18 Systeme desinfectant WO1992020974A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU16917/92A AU658628B2 (en) 1991-05-17 1992-05-18 Disinfectant system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK621491 1991-05-17
AUPK6214 1991-05-17

Publications (1)

Publication Number Publication Date
WO1992020974A1 true WO1992020974A1 (fr) 1992-11-26

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PCT/AU1992/000221 WO1992020974A1 (fr) 1991-05-17 1992-05-18 Systeme desinfectant

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WO (1) WO1992020974A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000025834A1 (fr) * 1998-11-03 2000-05-11 Vilarasau Alegre Maria Teresa Systeme de desinfection microbiologique des conduites d'aeration
WO2002004036A1 (fr) * 2000-07-11 2002-01-17 Microgenix Technologies Ltd Purification d'air
ES2169007A1 (es) * 2000-12-05 2002-06-16 Tecnitem S L Desinfectadora del aire aplicable sobre conductos de aire acondicionado y plenum de retorno.
WO2005018692A1 (fr) * 2003-08-18 2005-03-03 Weigl, Lidia Dispositif de degermination d'un flux d'air a l'aide de lumiere uv
EP1660211A2 (fr) * 2003-05-08 2006-05-31 Eco-Rx, Inc. Systeme de purification et d'elimination des contaminants des fluides gazeux
GB2427812A (en) * 2005-06-29 2007-01-03 Jeffrey Martyn Sass Static and airborne bacteria exterminator
NL1032593C2 (nl) * 2006-09-29 2008-04-01 Randolph Beleggingen B V Luchtreinigingsinrichting met UV-lamp.
EP2361639A3 (fr) * 2007-03-27 2012-01-18 John J. Hayman Jr. Système et procédé de traitement d'air photocatalytique
US8293185B2 (en) 2008-11-12 2012-10-23 Statiflo International Limited UV irradiation apparatus and method
US8997515B2 (en) 2005-10-12 2015-04-07 Virobuster Gmbh Auxiliary device intended for adding to an air conditioning device
JP2016032620A (ja) * 2014-07-26 2016-03-10 エネフォレスト株式会社 紫外線照射空気殺菌装置
EP3406977A1 (fr) * 2017-05-26 2018-11-28 Brunauer, Thomas Sebastian Purificateur d'air intérieur
CN110454887A (zh) * 2019-08-12 2019-11-15 珠海格力电器股份有限公司 一种风道组件及空气净化器
US20200406225A1 (en) * 2005-05-20 2020-12-31 Housh Khoshbin Ozone-based contaminant eradication system and method
CN112665091A (zh) * 2020-12-18 2021-04-16 上海芯夷半导体科技有限公司 一种气体消毒杀菌装置
FR3114975A1 (fr) * 2020-10-14 2022-04-15 Gamma Pulse Appareil de décontamination de l’air ambiant dans un environnement intérieur
DE102020130477A1 (de) 2020-11-18 2022-05-19 Ivat Gmbh Strahlungs-Desinfektionsgerät, Keim-Entfernungs-System mit einem solchen Desinfektionsgerät sowie Verfahren zu seinem Betrieb

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2350665A (en) * 1942-03-13 1944-06-06 American Sterilizer Co Method for germicidal treatment of air-borne bacteria
FR1388709A (fr) * 1963-09-27 1965-02-12 Lampe désodorisante, germicide et productrice d'oxygène à action réglable
AU3597063A (en) * 1963-10-01 1965-04-01 Union Carbide Corporation Apparatus for sterilizing fluid
US3176447A (en) * 1961-06-07 1965-04-06 Gen Electric Air purifier
US3846072A (en) * 1973-06-28 1974-11-05 L Patterson Ultraviolet lamp fixture
US4118191A (en) * 1976-04-26 1978-10-03 Franz Bohnensieker Gas sterilization apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2350665A (en) * 1942-03-13 1944-06-06 American Sterilizer Co Method for germicidal treatment of air-borne bacteria
US3176447A (en) * 1961-06-07 1965-04-06 Gen Electric Air purifier
FR1388709A (fr) * 1963-09-27 1965-02-12 Lampe désodorisante, germicide et productrice d'oxygène à action réglable
AU3597063A (en) * 1963-10-01 1965-04-01 Union Carbide Corporation Apparatus for sterilizing fluid
US3846072A (en) * 1973-06-28 1974-11-05 L Patterson Ultraviolet lamp fixture
US4118191A (en) * 1976-04-26 1978-10-03 Franz Bohnensieker Gas sterilization apparatus

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000025834A1 (fr) * 1998-11-03 2000-05-11 Vilarasau Alegre Maria Teresa Systeme de desinfection microbiologique des conduites d'aeration
WO2002004036A1 (fr) * 2000-07-11 2002-01-17 Microgenix Technologies Ltd Purification d'air
ES2169007A1 (es) * 2000-12-05 2002-06-16 Tecnitem S L Desinfectadora del aire aplicable sobre conductos de aire acondicionado y plenum de retorno.
EP1660211A2 (fr) * 2003-05-08 2006-05-31 Eco-Rx, Inc. Systeme de purification et d'elimination des contaminants des fluides gazeux
EP1660211A4 (fr) * 2003-05-08 2007-04-25 Eco Rx Inc Systeme de purification et d'elimination des contaminants des fluides gazeux
WO2005018692A1 (fr) * 2003-08-18 2005-03-03 Weigl, Lidia Dispositif de degermination d'un flux d'air a l'aide de lumiere uv
US20200406225A1 (en) * 2005-05-20 2020-12-31 Housh Khoshbin Ozone-based contaminant eradication system and method
GB2427812A (en) * 2005-06-29 2007-01-03 Jeffrey Martyn Sass Static and airborne bacteria exterminator
US8997515B2 (en) 2005-10-12 2015-04-07 Virobuster Gmbh Auxiliary device intended for adding to an air conditioning device
NL1032593C2 (nl) * 2006-09-29 2008-04-01 Randolph Beleggingen B V Luchtreinigingsinrichting met UV-lamp.
WO2008039064A2 (fr) * 2006-09-29 2008-04-03 Randolph Beleggingen B.V. Dispositif d'épuration d'air doté d'une lampe uv
WO2008039064A3 (fr) * 2006-09-29 2008-05-15 Randolph Beleggingen B V Dispositif d'épuration d'air doté d'une lampe uv
EP2361639A3 (fr) * 2007-03-27 2012-01-18 John J. Hayman Jr. Système et procédé de traitement d'air photocatalytique
US8293185B2 (en) 2008-11-12 2012-10-23 Statiflo International Limited UV irradiation apparatus and method
JP2016032620A (ja) * 2014-07-26 2016-03-10 エネフォレスト株式会社 紫外線照射空気殺菌装置
EP3406977A1 (fr) * 2017-05-26 2018-11-28 Brunauer, Thomas Sebastian Purificateur d'air intérieur
EP3406977B1 (fr) 2017-05-26 2020-12-16 Brunauer, Thomas Sebastian Purificateur d'air intérieur
CN110454887A (zh) * 2019-08-12 2019-11-15 珠海格力电器股份有限公司 一种风道组件及空气净化器
FR3114975A1 (fr) * 2020-10-14 2022-04-15 Gamma Pulse Appareil de décontamination de l’air ambiant dans un environnement intérieur
WO2022079208A3 (fr) * 2020-10-14 2022-05-27 Gamma Pulse Sas Appareil de décontamination d'air ambiant dans un environnement intérieur
DE102020130477A1 (de) 2020-11-18 2022-05-19 Ivat Gmbh Strahlungs-Desinfektionsgerät, Keim-Entfernungs-System mit einem solchen Desinfektionsgerät sowie Verfahren zu seinem Betrieb
DE102020130477B4 (de) 2020-11-18 2023-02-16 Ivat Gmbh Keim-Entfernungs-System mit einem Strahlungs-Desinfektionsgerät sowie Verfahren zu seinem Betrieb
CN112665091A (zh) * 2020-12-18 2021-04-16 上海芯夷半导体科技有限公司 一种气体消毒杀菌装置

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