WO2022149298A1 - Purificateur d'air pour éliminer des virus - Google Patents

Purificateur d'air pour éliminer des virus Download PDF

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Publication number
WO2022149298A1
WO2022149298A1 PCT/JP2021/027055 JP2021027055W WO2022149298A1 WO 2022149298 A1 WO2022149298 A1 WO 2022149298A1 JP 2021027055 W JP2021027055 W JP 2021027055W WO 2022149298 A1 WO2022149298 A1 WO 2022149298A1
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Prior art keywords
filter
virus
air
viruses
air purifier
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Application number
PCT/JP2021/027055
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English (en)
Japanese (ja)
Inventor
紳二 津田
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株式会社セフティランド
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Publication of WO2022149298A1 publication Critical patent/WO2022149298A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/02—Acyclic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/24—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds only one oxygen atom attached to the nitrogen atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/04—Sulfonic acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • 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
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • 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
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • 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
    • F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes

Definitions

  • the present invention relates to an air purifier that removes a virus from air containing a virus.
  • the principle of removing viruses among air purifiers is the HEPA filter method, the charging filter method, the electrostatic precipitator method, and the like.
  • the HEPA filter is specified to have a particle collection rate of 99.97% or more for 0.3 ⁇ m particles, but since the virus is 0.1 ⁇ m in size, it is unknown whether it can be collected.
  • the filter paper of the HEPA filter is mainly made of glass fibers with a diameter of 1 to 10 ⁇ m or less, the filling rate of the fibers is about 10%, and the voids have a size of several tens of ⁇ m, so the virus is caught by the glass fiber net. Is difficult.
  • the antiviral function is not imparted to the chargeable filter medium portion that captures fine viruses and the like, and it is very difficult to impart the antiviral function to the charged body, and the chargeability is high. Difficult to keep holding.
  • a virus is charged with a positive charge and the virus is electrically electrodeposited at the negative pole.
  • the virus becomes negative. Since the adhesiveness is lost, the subsequent processing method becomes a problem.
  • the method of capturing by the HEPA filter method seems to be more reliable than the electric method, but since the size of the virus is extremely small at 0.1 ⁇ m, the gap between fibers is 1 to several. It passes through 10 ⁇ m. If the gap between the fibers is made smaller, the pressure loss becomes higher and the air purifier cannot function.
  • the air purifier for removing the virus according to claim 1 of the present invention is capable of collecting fine viruses and has a mesh filter larger than the size of the virus and the surface of the filter. It comprises an attached anionic surfactant and a blower that creates a flow that allows air containing the virus to pass through the filter.
  • the filter is a HEPA filter having a mesh larger than the size of the virus or a high-performance filter having a mesh having the same size as the HEPA filter.
  • the filter In the air purifier that removes the virus according to claim 3, the filter generates static electricity that adsorbs the virus by the flow of air.
  • the present invention is configured as described above, according to the invention of claim 1, even if the filter has a larger mesh than the virus and does not cause a large pressure loss, the fibers constituting the filter are zigzag. Since there are multiple layers, the droplet particles containing the virus can be captured by the filter by contacting the fibers of any layer.
  • the virus contained in the droplets and captured by the filter dries and becomes a virus nucleus.
  • the virus nucleus is a weak cation, and an electrostatic Coulomb force acts between the virus and the anionic surfactant. Therefore, the virus nuclei continue to be captured without escaping from the filter having a membrane of anionic surfactant.
  • a virus having a lipid outer membrane called an envelope, such as the new coronavirus is inactivated because the lipid outer membrane is destroyed by an anionic surfactant. Therefore, the activated virus does not accumulate in the filter and is not discharged again, and it is possible to purify and supply air that is extremely hygienic and safe to the human body.
  • fine particles such as PM2.5, bacteria, and viruses can be captured by a fine-grained HEPA filter or a high-performance filter. These fine particles are smaller than the mesh of the filter, but since the fine particles have Brownian motion, they easily collide with the fibers constituting the filter.
  • air is constantly flowing between the fiber layers of the filter by the blower. Static electricity is likely to occur due to friction where the air moves. Since the virus is particularly small among the fine particles, it is susceptible to electrostatic force and can be captured by electrodepositing on the fibers.
  • FIG. 1 It is a plan view and cross-sectional view which shows the outline of the air purifier which captures and inactivates the virus of 1st Embodiment which carried out this invention. It is an elevation view and a sectional view in FIG. It is the figure which copied the micrograph of the cross section of a filter cloth. This is an excerpt of the method for disinfecting and sterilizing the new coronavirus announced by the Ministry of Health, Labor and Welfare in June 2020, which announced that surfactants are effective against the new coronavirus. It is the figure which copied the micrograph which attached the surfactant to the filter filter cloth. It is a graph which shows the performance test data of an air purifier.
  • FIG. 1 is a cross-sectional view of the air flow of the air purifier 11 for removing a virus as viewed from above.
  • the air purifier 11 for removing a virus in the present embodiment includes a sirocco fan 12, a filter 2, a pre-filter 1, a power supply board 5, and an electric motor 3.
  • the sirocco fan 12, the electric motor 3, the power supply board 5, the filter 2, and the pre-filter 1 are housed in a casing (not shown).
  • the casing is formed in a substantially rectangular cylindrical shape from a painted stainless steel plate, and a base 13 is provided at the bottom.
  • a plurality of rectangular openings are provided on the side surface of the casing to form an air intake port 14.
  • An outlet 15 for ejecting air from the sirocco fan 12, which will be described later, is formed on the upper part of the casing.
  • a support column 16 extending above the central portion of the base 13 is provided, and an electric motor 3 of a sirocco fan 12, which will be described later, is provided at the upper end of the support column 16.
  • the support column 16 is formed in a cylindrical shape with a taper whose outer diameter decreases toward the upper side, and air entering from the intake port 14 is upward between the outer wall portion of the support column 16 and the inner side wall portion of the casing.
  • a flow passage 17 flowing toward is formed. This flow passage 17 introduces air to the inside of the runner 6 of the sirocco fan 12.
  • a sirocco fan 12 As the fan, for example, a sirocco fan 12 is used.
  • the sirocco fan 12 is provided on the upper part of the casing. Since the sirocco fan 12 can take a large amount of air volume and static pressure, it is most suitable for the air purifier 11 for removing the virus in the embodiment of the present invention.
  • the sirocco fan 12 is rotated by an electric motor 3 provided below the sirocco fan 12, and the rotation of the electric motor 3 is controlled by a power supply board 5 provided above the base 13 and connected by an electric wire 4.
  • the sirocco fan 12 includes a runner 6 and a scroll 7.
  • the air sucked up from below in the casing by the rotation of the runner 6 driven by the electric motor 3 is ejected to the outside from the ejection port 15 guided by the scroll 7. Since the sirocco fan 12 is a known technique, the description thereof will be omitted.
  • a sirocco fan 12 having a performance of generating an air volume of at least 3 m 3 / min in the air purifier 11 is used.
  • the blower of the air purifier 11 for removing the virus is not limited to the sirocco fan 12, and for example, a propeller fan having a large air volume or a compact cross-flow fan may be used.
  • the filter includes a coarse pre-filter 1 provided on the outside when inhaling air, and a fine-mesh filter 2 provided on the inside.
  • a coarse-grained prefilter 1 for example, a resin mesh is used. It has a coarseness to the extent that pressure loss in intake air does not occur, and prevents dust and dirt from flowing into the air purifier 11.
  • a HEPA filter High Effective Particulate Air Filter
  • the HEPA filter is mainly made of glass fiber.
  • the HEPA filter has a particle collection rate of 99.97% or more with respect to particles having a particle size of 0.3 ⁇ m at a rated air volume, which is the most appropriate air volume for use, and has an initial pressure loss of 245 Pa or less. It is specified by JIS as an air filter with performance.
  • the fine-meshed filter 2 is not limited to the HEPA filter.
  • a high-performance filter that does not correspond to the HEPA filter but has the same mesh size may be used.
  • the fiber of the filter for example, a non-woven fabric manufactured by using a chemical fiber such as fluororesin, polypropylene, PET, rayon, vinylon, polyester or acrylic, or a fiber such as cotton or cellulose pulp can be used alone or in combination. ..
  • FIG. 3 is a copy of a micrograph of a cross section of a filter cloth fiber of a fine-meshed filter (HEPA filter) 2.
  • the virus is smaller than the mesh of the filter, but because it has Brownian motion, it easily collides with the filter fiber 21, and since there are many layers of such cross sections, the virus that has passed through in the first cross section is also the next. It will collide with the filter fiber 21 in the cross section or the next cross section and can be captured.
  • the fine filter 2 is a fold type. By making it a fold type, the filtration area is increased three to four times, so that the air resistance can be reduced.
  • the dirty air in the room is cleaned by blocking relatively large dust with the coarse pre-filter 1 and then capturing pollen, PM2.5, bacteria and viruses with the fine-grained filter 2 (HEPA filter). Be made.
  • surfactant an anionic surfactant is used, and for example, sodium linear alkylbenzene sulfonate (0.1% or more) is used. A solution obtained by diluting the surfactant to about 20 to 100 times is impregnated into the fibers of the filter and then dried so that a large amount of the surfactant component is present in the fiber layer.
  • a cationic surfactant may be used.
  • the surfactant to be used was selected from the following viewpoints. Following the compilation of the effectiveness evaluation of the disinfection method for the new coronavirus by the National Institute of Technology and Evaluation (NITE), the Ministry of Health, Labor and Welfare has released a list of information on disinfection and sterilization methods for the new coronavirus. Therefore, it has been confirmed that surfactants are effective against viruses adhering to substances, and that nine types of surfactants have been verified.
  • Figure 4 shows that the Ministry of Health, Labor and Welfare announced in June 2020 that surfactants are effective against the new coronavirus in terms of disinfection and sterilization methods for the new coronavirus.
  • anionic surfactants are particularly effective because they can capture viruses by electrostatic force. It is better to use the Coulomb force of static electricity to capture a virus as small as 0.1 ⁇ m. Since the virus is a weak cation and an attractive force is generated between the virus and the anionic surfactant to capture the virus, an anionic surfactant is used. Of these, only sodium linear alkylbenzene sulfonate (0.1% or more) is an anionic surfactant, and is considered to be optimal for trapping viruses.
  • FIG. 5 is a micrograph of a cross section in which the anionic surfactant 22 is attached to the filter cloth fiber (filter fiber 21) of the fine filter 2 (HEPA filter). If the concentration of the anionic surfactant 22 is too high, the air resistance becomes large, so that the air volume is reduced and the function of the air purifier cannot be fulfilled. If the concentration of the anionic surfactant 22 is too low, the molecules of the anionic surfactant 22 will not be sufficiently present in the filter cloth fiber (filter fiber 21), and thus the function of detoxifying the virus will be reduced. become.
  • the electric motor 3 is driven by the power supply board 5.
  • the runner 6 of the sirocco fan 12 is rotated by the drive of the electric motor 3, the air in the casing is made a negative pressure, and the air in the room where the air purifier 11 for removing the virus is placed is taken in from the intake port 14.
  • the polluted air in the room is filtered with the coarse pre-filter 1 for dust and dirt, and then the fine dust PM2.5 and fine particles such as bacteria and viruses are filtered by the fine filter 2.
  • the virus since the amino acid of the cation exists inside the natural virus, the virus is weakly cationic. If it is an anionic surfactant, the virus can be captured by Coulomb force.
  • the filter fiber 21 to which the anionic surfactant 22 is attached tends to be attached to the adhesive anionic surfactant 22 when the virus passes through the mesh, so that the capture efficiency can be improved. can.
  • the new coronavirus has a lipid shell called an envelope, and the lytic enzyme of the anionic surfactant 22 can enter the lipid shell, destroy the virus, and detoxify the virus. can.
  • the clean air from which dust and viruses have been removed by the coarse pre-filter 1 and the fine filter 2 rises through the flow passage 17 and is guided by the scroll 7 from the ejection port 15. It is spouted into the room.
  • the air purifier 11 for removing the virus in the present embodiment has a mesh filter 2 capable of collecting fine viruses and having a size larger than the size of the virus, and the filter 2. It is provided with an anionic surfactant 22 adhering to the surface and a blower (sirocco fan 12) that creates a flow through which the air containing the virus passes through the filter 2.
  • the fibers (filter fibers 21) constituting the filter have many layers in a zigzag manner, so that the droplets containing the virus are contained. Fine particles (for example, droplets generated by squeezing) can be captured by the filter 2 by coming into contact with the fibers of any layer.
  • the fine virus Since the fiber layer of the filter 2 is covered with a sticky thin film of the anionic surfactant 22, the fine virus has a thinner anionic surfactant 22 than the case of the filter fiber 21 alone. It is easily captured by the membrane.
  • the virus contained in the droplets and captured by the filter 2 dries and becomes a virus nucleus.
  • the virus nucleus is a weak cation, and an electrostatic Coulomb force acts between the virus and the anionic surfactant 22. .. Therefore, the virus nuclei continue to be captured without escaping from the filter 2 having the membrane of the anionic surfactant 22. Then, a virus having a lipid outer membrane called an envelope, such as the new coronavirus, is inactivated because the lipid outer membrane is destroyed by the anionic surfactant 22.
  • the air purifier 11 for removing the virus in the present embodiment does not cause the activated virus to accumulate in the filter 2 and be discharged again, and purifies the air that is extremely hygienic and safe for the human body. Can be supplied.
  • the filter 2 is a HEPA filter having a mesh larger than the size of the virus or a high-performance filter having a mesh having a mesh having the same size as the HEPA filter. According to this, since the virus fine particles have a Brownian motion, the mesh is larger than the size of the virus, but they easily collide with the fibers constituting the fine-grained HEPA filter or high-performance filter. Therefore, fine particles such as viruses can be captured by a HEPA filter or a high-performance filter.
  • the filter 2 generates static electricity that adsorbs a virus by the flow of air. According to this, since the virus is particularly small among the fine particles, it is susceptible to electrostatic force and can be captured by electrodeposition on the filter fiber 21.
  • a virus-equivalent diameter (0.1 ⁇ m) of PAO polyalphaolefin
  • PAO polyalphaolefin
  • a scanning mobility particle size measuring device As the measuring instrument, a scanning mobility particle size measuring device, a classification device: DMA3085A, manufactured by TSI, and a condensed particle measuring device: CPC3776, manufactured by TSI were used.
  • PAO was used as an alternative virus having a size of 0.1 ⁇ m.
  • the filter of the air purifier was an H13HEPA square filter made of glass fiber, and a filter having sodium linear alkylbenzene sulfonate attached to the surface was used.
  • the air volume used to ventilate the entire filter was 3 m 3 / min, which is the maximum air volume of the air purifier.
  • the vertical axis shows the number of detected viruses, and the horizontal axis shows the time up to 120 minutes. From the test results, it was confirmed that about 99% of the virus in the air was removed after 120 minutes.
  • the air purifier 11 for removing the virus of the present embodiment can not only remove the virus in the air but also inactivate the virus collected by the filter 2 with the anionic surfactant 22. Therefore, the activated virus does not accumulate in the filter 2 and is not discharged again, and it is possible to purify and supply air that is extremely hygienic and safe to the human body.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne un purificateur d'air capable d'éliminer des virus même lorsque la perte de pression est réduite du fait que les espaces entre les fibres d'un filtre sont plus grands que les tailles des virus.　Le purificateur d'air pour éliminer des virus est capable de collecter de petits virus, et comprend : un filtre ayant une maille avec des vides plus grands que les tailles des virus ; un tensioactif anionique adhérant à une surface du filtre ; et une soufflante d'air qui produit un écoulement qui provoque le passage de l'air contenant un virus à travers le filtre.
PCT/JP2021/027055 2021-01-05 2021-07-19 Purificateur d'air pour éliminer des virus WO2022149298A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021019372A JP2024026913A (ja) 2021-01-05 2021-01-05 ウイルスを除去する空気清浄機
JP2021-019372 2021-01-05

Publications (1)

Publication Number Publication Date
WO2022149298A1 true WO2022149298A1 (fr) 2022-07-14

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079518U (ja) * 1983-11-02 1985-06-03 塚本　英雄 室内空気清浄消臭フイルタ−
JP2005287451A (ja) * 2004-04-02 2005-10-20 Matsushita Electric Ind Co Ltd 空気清浄機
JP3118559U (ja) * 2005-10-24 2006-02-02 株式会社三貴製作所 空気清浄装置
JP2007508928A (ja) * 2003-10-15 2007-04-12 インヴィスタ テクノロジー エスアエルエル 粒子状物質および揮発性有機化合物を除去するエアフィルタ
JP2010024587A (ja) * 2008-07-22 2010-02-04 Tottori Univ 抗ウイルス剤及び抗ウイルス性シート
JP2012026673A (ja) * 2010-07-26 2012-02-09 Daikin Industries Ltd 床置き型の空気清浄機
JP2020096794A (ja) * 2015-10-30 2020-06-25 アマノ株式会社 空気清浄機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079518U (ja) * 1983-11-02 1985-06-03 塚本　英雄 室内空気清浄消臭フイルタ−
JP2007508928A (ja) * 2003-10-15 2007-04-12 インヴィスタ テクノロジー エスアエルエル 粒子状物質および揮発性有機化合物を除去するエアフィルタ
JP2005287451A (ja) * 2004-04-02 2005-10-20 Matsushita Electric Ind Co Ltd 空気清浄機
JP3118559U (ja) * 2005-10-24 2006-02-02 株式会社三貴製作所 空気清浄装置
JP2010024587A (ja) * 2008-07-22 2010-02-04 Tottori Univ 抗ウイルス剤及び抗ウイルス性シート
JP2012026673A (ja) * 2010-07-26 2012-02-09 Daikin Industries Ltd 床置き型の空気清浄機
JP2020096794A (ja) * 2015-10-30 2020-06-25 アマノ株式会社 空気清浄機

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