WO2021255620A1 - Système de purification d'air - Google Patents

Système de purification d'air Download PDF

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Publication number
WO2021255620A1
WO2021255620A1 PCT/IB2021/055216 IB2021055216W WO2021255620A1 WO 2021255620 A1 WO2021255620 A1 WO 2021255620A1 IB 2021055216 W IB2021055216 W IB 2021055216W WO 2021255620 A1 WO2021255620 A1 WO 2021255620A1
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WO
WIPO (PCT)
Prior art keywords
air
air purification
space
foregoing
height
Prior art date
Application number
PCT/IB2021/055216
Other languages
English (en)
Inventor
Glenn George ROGGEMAN
Original Assignee
Aed Distribution Nv
Audioworx Bv
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 Aed Distribution Nv, Audioworx Bv filed Critical Aed Distribution Nv
Publication of WO2021255620A1 publication Critical patent/WO2021255620A1/fr

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Classifications

    • 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
    • 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
    • F24F8/80—Self-contained air purifiers

Definitions

  • the invention relates to an air purification system comprising one or more air purification units.
  • the invention further relates to a method for purifying air in a space.
  • Air treatment in buildings is typically performed using a central HVAC system.
  • the central HVAC system comprises an air treatment group which draws air in from spaces to the air treatment group by means of suction channels.
  • the air treatment group then treats the air by heating it, cooling it and/or refreshing it.
  • the treated air is then carried back to the spaces via a plurality of recirculation channels. Due to the transport of air from one or more spaces from and to the central treatment group, such HVAC systems form a possible source for the spread of dirt and pathogens such as bacteria, viruses and fungi. This is because air from a space is mixed with air from a different space in uncontrolled manner.
  • a filter compartment is typically provided for removing dirt from the airflow. The filter compartment filters dirt from air that is supplied via the feed channels.
  • Embodiments of the invention have the object of providing an improved air purification system, and particularly an air purification system which purifies air in a space in efficient manner.
  • the invention particularly relates to an air purification system which purifies air in a space, where people may or may not be present, in efficient manner.
  • an air purification system comprises one or more air purification units, wherein each of the one or more air purification units comprises a housing which bounds a channel which extends between an air inlet and an air outlet of the housing.
  • the one or more air purification units further comprise an air displacing means configured to realize an airflow in the channel, wherein air is drawn in via the air inlet and is emitted via the air outlet.
  • the one or more air purification units further comprise a UV-C lamp configured to emit ultraviolet light in the channel in order to purify the air in the airflow in the channel.
  • Each of the one or more air purification units are further freely placeable in a space, and are configured to each purify a portion of the air in the space in recirculatory manner.
  • a space such as a room, party room, atrium or retail centre, comprises an upper wall, lower wall and two or more side walls, and hereby bounds a total volume of air.
  • the one or more air purification units each purify a portion of the air situated in the volume of the space.
  • the air purification units each purify a location in the space.
  • the air purification units are each provided with a housing with an air inlet and an air outlet.
  • the air purification units comprise a respective air displacing means which, at a corresponding location where the respective air purification unit is placeable, will draw in air and realizes via the air inlet an airflow through a channel bounded by the housing.
  • the air in the airflow is then purified by a UV-C lamp which emits ultraviolet light in the channel.
  • a UV-C lamp which emits ultraviolet light in the channel.
  • the air purification system comprises one or more air purification units, the number of air purification units can be altered in accordance with a dimension of the respective space in which they are placeable. This makes it possible in simple manner to dimension an air purification system so that the air in each separate space can be purified optimally.
  • the air purification units are further freely placeable in the space. In the context of the invention the air purification units being freely placeable is defined as placing each air purification unit at a considerable distance from the upper wall, lower wall and/or each side wall.
  • An advantage hereof is based on the insight that the air which is drawn in and ejected by each air purification unit forms a substantially recirculatory airflow pattern.
  • An air distribution in the space is hereby optimal, and stagnation of air in the space is avoided.
  • Yet another advantage of the air purification system is that the purification by means of UV-C rays takes place in the channel.
  • the channel bounded by the housing prevents the UV-C rays from radiating outside the housing.
  • the air purification system is hereby safer for people present in the space.
  • Purifying air in recirculatory manner preferably comprises of drawing air in via the air inlet at a first height in the space, purifying the air in the airflow in the channel, emitting the purified air via the air outlet at a second height in the space, wherein the second height is greater than the first height and wherein the channel extends substantially upward between the air inlet and the air outlet.
  • the suction creates an underpressure at the position of the air inlet, whereby pathogens are drawn to the air purification device together with the air.
  • Purifying the air in the housing and then emitting the purified air at a second height which is greater than the first height creates an overpressure at the air inlet.
  • the difference between the overpressure and underpressure realizes an air displacement of air in the space from the second height to the first height, wherein purified air flows downward and substantially contaminated air is drawn in in upward direction.
  • Each air purification unit thus realizes a recirculatory airflow pattern wherein the airflow does not leave the space.
  • the air purification system draws in air and emits air in one and the same space. This makes it possible to prevent cross-contamination between different spaces and to optimize the air distribution in the space.
  • Each air purification unit is preferably configured to emit the purified air in a direction of an upper wall and/or side wall of the space. This further increases the pressure above the air purification units. Due to the further increased air pressure, the air moves more quickly in the direction of the bottom wall of the space. The airflow which moves more quickly realizes a more turbulent air purification pattern. This reduces the chance of there being locations or zones in the space where air stagnates.
  • Each air purification unit preferably comprises a mounting means whereby the respective air purification unit can be mounted in the space. This allows each air purification unit to be placed in a space in advantageous manner, for instance on a stand, a movable trolley, a beam, a ceiling anchoring means, and so on.
  • the mounting means preferably comprises an actuator configured to make the air purification unit pan, wherein the air purification unit rotates about a first axis which is oriented upward, and/or to tilt it, wherein the air purification unit rotates about a second axis with a lying orientation, such that the air purification unit is orientable.
  • This allows the suction direction and air emission direction of the air purification unit to be changed.
  • the suction direction can for instance be changed to a location where multiple bystanders are present.
  • Each air purification unit is preferably adjustable in the height relative to a bottom wall of the space. Adjusting each air purification unit in the height allows the suction height and emission height to be controlled.
  • a height of the corresponding air purification unit can be adjusted to be lower.
  • air purification unit By adjusting the air purification unit to be lower air is drawn in at a location closer to the bystanders, as compared to for instance a nominal operating height, whereby pathogens can be cleaned from the air more efficiently and quickly at that location. This further improves the air purification in the space.
  • the nominal operating height is a height at which each air purification unit is placed under normal conditions. The normal conditions depend on the space and the context in which it is used.
  • An airflow rate of the or each air purification unit is preferably controllable.
  • Each air purification unit is hereby controllable subject to a situation at a location, whereby air in the space can be purified in optimal manner.
  • Each housing is preferably manufactured from aluminium.
  • An inner surface of the housing which is directed toward the UV-C lamp is further preferably an aluminium surface.
  • An advantage hereof is that aluminium reflects UV-C rays in optimal manner, this improving the purifying effect of the UV-C lamp.
  • Each housing, particularly the inner surface thereof, preferably has a round form as seen in cross-section.
  • the air inlet is preferably provided with a controllable inlet mouth which is configured to determine an air suction direction of the air purification unit.
  • the air outlet is preferably provided with a controllable outlet mouth which is configured to determine an air emission direction of the air purification unit. This allows optimization of the manner in which air is drawn in and is emitted.
  • Each of the air purification units preferably comprises one or more of the following sensors: an air humidity sensor, a temperature sensor, a sensor for detecting pathogens such as bacteria, viruses, fungi and/or parasites, a motion sensor.
  • Each air purification unit is preferably configured to prevent at least UV-C radiation to a bottom wall of the space.
  • An advantage hereof is based on the insight that ultraviolet light, particularly UV-C light, is harmful to humans and the environment. On the one hand, this realizes that the purifying effect of the air in the airflow occurs only in the channel of the housing and the radiation energy is utilized in optimal manner, this improving the purification efficiency. On the other hand, this prevents the UV-C radiation harmful to humans from radiating onto bystanders. This allows the air purification units to purify air in substantially uninterrupted manner, even when bystanders are present.
  • the one or more air purification units are preferably controllable in mutually coordinated manner.
  • the one or more air purification units are preferably controllable in wired manner.
  • the one or more air purification units are preferably controllable in wireless manner.
  • the air purification system preferably further comprises a control unit which is configured to control the one or more air purification units in coordinated manner.
  • the coordinated control preferably comprises of one of the following, or a combination thereof: activating and/or deactivating one or more air purification units, adjusting one or more air purification units in the height, controlling an airflow rate of one or more air purification units, directing one or more air purification units.
  • One or more air purification units are preferably provided with an alarm which indicates an operational state of the corresponding air purification units.
  • an alarm will produce an auditive alarm in order to indicate the operational state of the air purification units to bystanders.
  • An advantage hereof is that the alarm will be clearly audible from outside the space. A bystander will thus always be warned in time of the situation which is potentially harmful to them.
  • One or more air purification units are preferably provided with an indicator which demonstrates an operational state of the corresponding air purification units.
  • the operational state is for instance an on or off mode of the air purification unit. This makes it possible to indicate to a bystander that the air purification unit is purifying air and that the space is thus substantially free of pathogens, or that the chance of contamination by the pathogens is smaller.
  • the indicator is further preferably configured to indicate an evacuation direction in the event of an emergency.
  • the air purification system is preferably provided with a monitoring device which is configured to monitor data of the air purification system.
  • a method for purifying air in a space at one or more locations, wherein the purification of air comprises at each location of the one or more locations the following steps of: bounding a channel which extends between an air inlet and an air outlet; realizing an airflow in the channel, wherein air is drawn in via the air inlet and is emitted via the air outlet; purifying air in the airflow in the channel by emitting ultraviolet light in the channel; wherein at the one or more locations a portion of the air in the space is purified in recirculatory manner.
  • the advantages of the air purification system apply mutatis mutandis to the method.
  • Purifying the air in recirculatory manner preferably comprises of drawing in air at a first height in the space, measured from the bottom wall of the space, purifying the air in the airflow, emitting the purified air at a second height in the space, wherein the second height is greater than the first height and wherein the channel extends substantially upward between the air inlet and the air outlet.
  • the emitting preferably comprises of emitting in a direction of an upper wall and/or side wall of the space.
  • the method preferably further comprises of adjusting the first height at the or each location.
  • the method preferably comprises of controlling the purification at each location in coordinated manner.
  • the coordinated control further preferably comprises one of the following, or a combination thereof: activating and/or deactivating the purification of one or more zones, controlling an airflow rate to be purified of one or more locations, displacement in the one or more locations.
  • the method preferably comprises of monitoring data.
  • a computer-readable storage medium which stores instructions configured to have at least one processor perform one or more of the above -described steps.
  • Figure 1 is a schematic cross-section of an embodiment according to the invention
  • Figure 2 is a cross-section of an embodiment of an air purification unit
  • Figure 3 is a perspective view of an air purification unit
  • Figure 4 is a perspective view of an air purification system according to an embodiment
  • Figure 5 is a schematic representation of a method for purifying air in a space.
  • FIG. 1 illustrates a schematic space R.
  • the space R is bounded by an upper wall Rb, a lower wall Ro and two side walls Rzl, Rz2, shown in the figure.
  • the space R is preferably an office, a shop, an atrium, a classroom, and so on. Multiple persons P can be present in the space R, as shown in the figure.
  • An air purification system 100 is placed in the space R in order to purify the air therein.
  • Air purification system 100 comprises a plurality of air purification units 101, in the illustrated embodiment of figure 1 five air purification units 101 are shown in particular. It will however be apparent to the skilled person that one or more than five air purification units can be placed. In a preferred embodiment the number of air purification units 101 that must be placed in a space depends on the dimensions of the respective space.
  • Figure 1 further illustrates that the plurality of air purification units 101 each purify a portion of the air in the space in recirculatory manner.
  • the recirculatory purification is described further with reference to figure 2.
  • the plurality of air purification units 101 are further freely placeable in the space R.
  • Each of the plurality of air purification units 101 purifies air in a respective location or zone in the space.
  • the air purification units 101 being freely placeable is defined in the context of the invention as placing each housing of each air purification unit 101 at a considerable distance from the upper wall Rb, lower wall Ro and/or each side wall Rzl, Rz2. In other words, the air purification units are not arranged directly at or on a wall of the space.
  • a distance between the air purification unit and a wall is at least 0.5 m, preferably at least 1 m. Because the plurality of air purification units are freely placeable, a margin is thus formed between the different air purification units 101 and the walls of the space. Owing to the margin, the air which is drawn in by each air purification unit 101 and the air which is emitted has a considerable amount of freedom of movement. The simultaneous suction and emission hereby realizes a substantially laminar and recirculatory airflow pattern. An airflow in the space is hereby optimal, and stagnation of air in the space is avoided.
  • each air purification unit 101 is configured to treat a zone with a floor area of at least 10 m 2 , preferably at least 15 m 2 , more preferably at least 25 m 2 .
  • Figure 1 particularly illustrates that each air purification unit 101 draws an airflow in at a first height, purifies the air in the housing and then emits it at a second height, this being greater than the first height.
  • Figure 1 further illustrates that the air purification system 100 comprises a control unit 200.
  • Control unit 200 is configured to control the plurality of air purification units 101 in coordinated manner.
  • the control unit preferably controls each air purification unit individually.
  • the coordinated control comprises one of the following, or a combination thereof: activating and/or deactivating one or more air purification units, adjusting one or more air purification units in the height, controlling an airflow rate of one or more air purification units, directing one or more air purification units.
  • the coordinated control is further described at length with reference to figures 4 and 5.
  • FIG. 2 illustrates a cross-section of an air purification unit according to a possible embodiment.
  • the air purification unit 101 comprises a housing 110.
  • Housing 110 bounds a channel 120 which extends between an air inlet 130 and an air outlet 140 of housing 110.
  • Air purification unit 101 further comprises an air displacing means 150.
  • the air displacing means 150 is configured to realize an airflow L in the channel 120.
  • the airflow can be realized in that the air displacing means draws in air at the position of air inlet 130 and displaces the air through channel 120 to the air outlet.
  • the air displacing means 150 is provided at the position of the air inlet 130. It will however be apparent to the skilled person that the air displacing means 150 can alternatively be provided at the position of the air outlet or in a part of the channel 120, for instance halfway along the channel.
  • Air displacing means 150 is for instance a fan. In a preferred embodiment air displacing means 150 is controllable.
  • the air purification unit 101 further comprises a UV-C lamp 160.
  • the UV-C lamp is preferably arranged in housing 110 and is configured to emit ultraviolet light in the channel 120 in order to purify the air in the airflow in the channel.
  • the UV-C lamp 160 preferably emits light with a wavelength lying between 100-280 nm, preferably between 200-270 nm, more preferably between 240-260 nm, most preferably with a wavelength of 253.7 nm.
  • the UV-C lamp can comprise one or more light sources, for instance one or more gas-discharge lamps or one or more LED sources, or a combination thereof.
  • the UV-C lamp is a gas-discharge lamp.
  • housing 110 is elongate and the UV-C lamp emits ultraviolet light in a considerable portion of the channel.
  • the UV-C lamp preferably emits ultraviolet light over more than 30% of a length of channel 120, more preferably more than 50%, still more preferably more than 60%. It is advantageous for the UV-C lamp to extend over the greatest possible part of the length of the channel.
  • Housing 110 preferably has a round section, as seen in a cross-section perpendicularly of a longitudinal direction, in particular, channel 120 has a round section.
  • Housing 110 is further preferably manufactured from aluminium.
  • An advantage hereof is based on the insight that aluminium absorbs no or hardly any UV-C rays, and reflects them optimally. Because the UV-C lamp 160 is arranged in channel 120 and the channel has in this preferred embodiment a round section, the emitted UV-C rays are reflected optimally, this further improving the purifying or, in other words, disinfecting effect of the air purification unit.
  • FIG. 2 further illustrates that housing 110 is directed substantially upward.
  • Air purification unit 101 draws air in via air inlet 130.
  • the drawn-in air L is purified by the UV-C lamp, following which the air is emitted via air outlet 140.
  • air inlet 150 draws air in at first height HI and emits the purified air at a second height H2.
  • the second height H2 is greater than the first height HI.
  • the channel 120 in the housing does not comprise a downward component. It will be apparent that the height is measured from a respective bottom wall.
  • the height HI is adjustable such that the first height HI lies close to a maximum height of a bystander.
  • the difference between the overpressure and underpressure realizes an air displacement of air in the space from the second height H2 to the first height HI, wherein purified air (illustrated by full arrows) flows downward and mainly contaminated air (illustrated by broken arrows) is drawn in in upward direction.
  • Each air purification unit 101 thus realizes a recirculatory airflow pattern which does not leave the space.
  • the air purification unit 101 recirculates air in one and the same space. This makes it possible to prevent cross contamination between different spaces and to optimize the air distribution in the space.
  • FIG. 2 further illustrates that air purification unit 101 comprises a mounting means 170.
  • Mounting means 170 can be a stand, a movable trolley, a beam, a ceiling anchoring means, and so on.
  • Mounting means 170 preferably further comprises an actuator 180. Such an embodiment is further discussed at length with reference to figure 3.
  • FIG 3 illustrates a preferred embodiment of an air purification unit 101 which is mounted via a mounting means 170 on an upper wall Rb.
  • Air purification unit 101 particularly a housing thereof, is arranged at a distance H3 from the upper wall Rb, such that the air inlet and the air outlet are freely placeable in the space.
  • the air purification unit 101 comprises an actuator 180 which is configured to pan air purification unit 101.
  • pan is defined as rotating P the air purification unit about a first axis Y.
  • the first axis Y is preferably oriented upward.
  • air purification unit 101 is hereby pivotable in a substantially horizontally oriented plane.
  • Actuator 180 is further preferably configured to tilt T the air purification unit, wherein the air purification unit rotates substantially about a second axis X which has a substantially lying orientation.
  • air purification unit 101 is hereby pivotable in a substantially vertically oriented plane.
  • the air purification unit is orientable by the actuator 180. This allows the orientation of the air purification unit 101 to be changed in order to direct air inlet 130 and air outlet 140.
  • a suction direction can hereby for instance be changed to a location where multiple bystanders are situated. By changing the suction direction and/or the air emission direction the space can be purified in optimal manner.
  • two or more actuators can also be provided, these each respectively being configured to make the air purification unit pan and/or tilt it.
  • Figure 4 illustrates a perspective view of an air purification system according to an embodiment.
  • Figure 4 particularly illustrates that eight air purification units 101a, ..., lOlg are placed in a space R, of which seven air purification units 101a, ..., lOlf are arranged on an upper wall Rb via a respective mounting means 170a, ..., 170f.
  • the air purification unit 101a purifies a portion of the air in the space. In the figure the portion of the air is indicated by way of illustration by the broken lines. As described above, the air purification unit 101a in other words purifies a zone Z1 of the space. Two persons are shown in the zone Zl. Air purification unit 101a is arranged via mounting means 170a at a height from a bottom wall. An air inlet is particularly situated at a first height. Air purification unit 101a draws in air, which has potentially been contaminated with pathogens by the two persons, at the first height. The air purification unit then purifies the air and ejects it at a second height via the air outlet. Air purification unit 101a thus purifies the zone Zl in recirculatory manner.
  • the plurality of air purification units 101a, .. lOlg are provided with one or more of the following sensors: an air humidity sensor, a temperature sensor, a sensor for detecting pathogens such as bacteria, viruses, fungi and/or parasites, a motion sensor.
  • the sensors preferably measure respective data whereby a control unit can control the plurality of air purification units in coordinated manner.
  • a movement of persons is for instance detected in zone Z1 by a motion sensor of air purification unit 101b. This indicates the potential presence of pathogens.
  • a further air purification unit 101b can be directed toward the location of the detected movement in order to purify zone Z1 in optimal manner, for instance by tilting the air purification unit 101b.
  • Figure 4 further illustrates that the first and second height can be changed. This is realized particularly by adjusting the air purification unit in the height.
  • the air purification unit 101c measures an increase in the air humidity in the corresponding zone Z2 by means of an air humidity sensor. Such a measurement would also indicate the presence of multiple persons, and so an increased chance of pathogens in the air.
  • the air purification unit 101c adjusts its first height by a height difference dH, particularly closer to the source of the pathogens.
  • control unit instructs the air purification unit 101c such that it adjusts itself to a new first height
  • air purification unit lOld can communicate with air purification unit 101c in coordinated manner and so adjust the first height of air purification unit 101c.
  • air purification units lOle, lOlf, lOlg comprise an air inlet which is provided with a controllable inlet mouth.
  • the controllable inlet mouth is configured to determine an air suction direction of the air purification unit.
  • the air purification unit lOle with a controllable inlet mouth thus illustrates that a zone Z3 is considerably greater by controlling the inlet mouth as compared to the controllable inlet mouth of air purification unit 10 If, which is controlled to define a smaller zone Z4.
  • the air outlet is optionally provided with a controllable outlet mouth which is configured to determine an air emission direction of the air purification unit.
  • Figure 4 further illustrates that the air purification units 101 e, lOlf can comprise the same mounting means 170e. This is for instance a beam, a rail system, a ceiling frame, and so on. It will be apparent that the shared mounting means 170e is preferably movable to adjust the first height of both air purification unit lOle and lOlf.
  • Figure 4 further illustrates that the air purification unit lOlh is placed on the bottom wall and that a mounting means 170h, which supports air purification unit lOlh at a first height, is provided for this purpose.
  • Figure 5 illustrates a method for purification 1000 of air at one or more locations or zones in a space.
  • the purification 1000 of air at each location comprises of drawing in 1100 air at a first height in the space, measured from a bottom wall of the space. By drawing air in at a first height pathogens can be captured in efficient manner.
  • the method for purification 1000 then comprises of purification 1200 of the drawn-in air.
  • the purification is defined as disinfecting and/or removing dirt particles from the air.
  • the air is emitted 1300 at a second height in the space, this being greater than the first height.
  • the emitting at a second height and the drawing in at a first height realizes a recirculatory airflow, whereby the air distribution in the space can be controlled in optimal manner and each zone is efficiently purified.
  • the emitting 1300 comprises of emitting 1310 in a direction of an upper wall and/or side wall of the space. This increases the pressure at the position of the second height, and further urges the realized airflow into a recirculatory airflow pattern.
  • the method 1000 optionally comprises of adjusting 1110 the first height in each zone. It will be apparent that adjustment of the first height can be performed individually for each zone, or that the first height is adjustable in multiple zones at the same time. A first height is further individually adjustable in each zone and, depending on a situation in a zone, the first height can be adjusted differently for each zone.
  • the purification 1000 comprises of controlling the purification in each zone in coordinated manner.
  • the coordinated control further preferably comprises one of the following or a combination thereof: activating and/or deactivating the purification of one or more zones, controlling an airflow rate to be purified of one or more zones, moving the one or more zones.
  • the method comprises of monitoring data. The data that were monitored can be used to optimize the control of the purification 1000.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Selon la Figure 1, l'invention concerne un système de purification d'air (100) comprenant une ou plusieurs unités de purification d'air (101), chaque unité de purification d'air (101) comprenant : une enveloppe (110) délimitant un canal (120) s'étendant entre une entrée d'air (130) et une sortie d'air (140) de l'enveloppe (110); un moyen de déplacement d'air (150) conçu pour créer un écoulement d'air (L) dans le canal, l'air étant aspiré par l'intermédiaire de l'entrée d'air (130) et étant émis par l'intermédiaire de la sortie d'air (140); une lampe UV-C (160) disposée à l'intérieur de l'enveloppe et conçue pour émettre de la lumière ultraviolette dans le canal (120) afin de purifier l'air dans le écoulement d'air dans le canal; la ou les unités de purification d'air (101) pouvant être placées librement dans un espace et pouvant purifier chacune une partie de l'air dans l'espace à l'aide d'une recirculation.
PCT/IB2021/055216 2020-06-15 2021-06-14 Système de purification d'air WO2021255620A1 (fr)

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BE20205429A BE1028397B1 (nl) 2020-06-15 2020-06-15 Luchtzuiveringssysteem
BE2020/5429 2020-06-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030206839A1 (en) * 1998-11-05 2003-11-06 Taylor Charles E. Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability
US20080019861A1 (en) * 2003-10-27 2008-01-24 Silderhuis Hermannus Gerhardus Air Treatment Method and Device
US20100047117A1 (en) * 2007-04-05 2010-02-25 Marie Charlotte Bernard Process for air purification and air purifier device for its implementation
CN107449062A (zh) * 2017-07-31 2017-12-08 王子靖 一种家用除霾设备
WO2020079359A1 (fr) * 2018-10-18 2020-04-23 Uv Germi Dispositif d'épuration d'air pour grands volumes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030206839A1 (en) * 1998-11-05 2003-11-06 Taylor Charles E. Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability
US20080019861A1 (en) * 2003-10-27 2008-01-24 Silderhuis Hermannus Gerhardus Air Treatment Method and Device
US20100047117A1 (en) * 2007-04-05 2010-02-25 Marie Charlotte Bernard Process for air purification and air purifier device for its implementation
CN107449062A (zh) * 2017-07-31 2017-12-08 王子靖 一种家用除霾设备
WO2020079359A1 (fr) * 2018-10-18 2020-04-23 Uv Germi Dispositif d'épuration d'air pour grands volumes

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