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WO2017048034A1 - Appareil de purification d'air utilisant des microbulles - Google Patents

Appareil de purification d'air utilisant des microbulles Download PDF

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Publication number
WO2017048034A1
WO2017048034A1 PCT/KR2016/010305 KR2016010305W WO2017048034A1 WO 2017048034 A1 WO2017048034 A1 WO 2017048034A1 KR 2016010305 W KR2016010305 W KR 2016010305W WO 2017048034 A1 WO2017048034 A1 WO 2017048034A1
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WO
WIPO (PCT)
Prior art keywords
air
hole
water
outer cylinder
micro
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2016/010305
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English (en)
Korean (ko)
Inventor
성상규
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Individual
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Individual
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Filing date
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Publication of WO2017048034A1 publication Critical patent/WO2017048034A1/fr
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Ceased legal-status Critical Current

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    • 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
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids

Definitions

  • the present invention relates to an air purifier using micro bubbles, and in particular, a rotating disk fixed to a shaft of a motor and an unfixed fixed disk are alternately spaced apart from each other, and a slit hole is provided in the rotating disk and the fixed disk. Microbubbles the contaminated air flowing into the device based on a bubble generator that bubbles are finely pulverized according to the rotation of the rotating disk while generating bubbles through the slit holes of the rotating disk and the fixed disk.
  • the present invention relates to an air purifier using micro bubbles to collect various pollutants in water and discharge the purified air to the outside.
  • micro bubbles In general, micro bubbles (MICRO BUBBLE) is an ultra-fine bubble that cannot be seen with eyes of several tens of micrometers ( ⁇ m) or less in diameter, and is air bubbles finer than 25 ⁇ m of pores of the skin at a size of 1 / 2,000 of a normal bubble, and disappear. 1) Ultrasonic wave of 40KHz is generated, 2) High sound pressure of 140db is generated, and 3) Instant high temperature of 4,000 ⁇ 6,000 °C is generated.
  • micro bubbles are mainly generated when the water and air are violently rotated into ultra-fine bubbles.
  • the general principle of the micro bubble generator is a method of firstly mixing liquid and gas with a pump, secondly pressurizing the mixed fluid in the mixing tank, and then thirdly spraying through the discharge nozzle to generate micro bubbles. .
  • microbubble generator is used as an oxygen generating means for aquaculture, which enables the reduction of the use of antibiotics by increasing the dissolved oxygen rate for high density farming and increasing the sterilization effect. It contributes to the improvement of skin health of the human body through the effect and sterilization effect.
  • microbubble generating devices such as Korean Patent Application Publication No. 10-2012-0008921 and Korean Patent Publication No. 10-1165818 have been posted.
  • the Patent Publication No. 10-2012-0008921 discloses a bubble generating chamber having a water inlet for introducing water, an air inlet for introducing air, and an outlet for discharging the outlet to improve micro bubble generation efficiency, and water of the bubble generating chamber.
  • the rotary disk is inserted into the shaft of the motor and provided with a plurality of induction holes for introducing water introduced through the water inlet and the air inlet, the movement of water and air of the rotating disk
  • Fixed disk provided with a plurality of stirring pieces protruding in the direction of the rotating disk is provided to be in close contact with the direction and branched out the water and air guided through the guide hole to the outside at the same time as the rotation of the rotating disk Is done.
  • Patent Document 1 Domestic Publication No. 10-2012-0008921
  • Patent Document 2 Domestic Patent Publication No. 10-1165818
  • the present invention is to solve the above problems, by alternately installing a rotating disk fixed to the shaft of the motor, and a fixed disk that is not fixed to the shaft alternately, by forming a slit hole in the rotating disk and the fixed disk bubble Is crushed finely as the rotating disk rotates while passing through the slit holes of the rotating disk and the fixed disk to generate a large amount of micro bubbles, thereby microbubbling the polluted air flowing into the device from the outside to collect various pollutants in water. It is an object of the present invention to provide an air purifier using micro bubbles to discharge the purified air to the outside.
  • the present invention by forming an inclination in the rotational direction in the slit hole of the rotating disk or the fixed disk, air bubbles using the micro-bubble to generate a large amount of micro bubbles by finely pulverized by the inclination of the slit hole while the bubbles rise quickly
  • Another object is to provide a device.
  • the present invention provides an air cleaning device using a micro bubble to rotate the rotating disk at high speed between the fixed disk using a DC motor to generate a large amount of micro bubbles to reduce and compact the power consumption.
  • a micro bubble to rotate the rotating disk at high speed between the fixed disk using a DC motor to generate a large amount of micro bubbles to reduce and compact the power consumption.
  • the present invention provides a air cleaning device using a micro bubble to reduce the power consumption and to simplify the device because it operates the blower fan for pressurizing the contaminated air into the outer cylinder by using the rotational force of the motor.
  • a micro bubble to reduce the power consumption and to simplify the device because it operates the blower fan for pressurizing the contaminated air into the outer cylinder by using the rotational force of the motor.
  • the present invention is the concept of using the water itself as a filter of the air cleaning device to put various additives (fine dust remover, natural fungicide, odor remover) in the water to microbubble the air to collect the dust in the air primarily After the water is circulated by the rotation of the rotating disk, the odor remover added during the same circulation process is removed at the same time by removing the fine dust remaining in the microbubbles by the electrical adsorption power of the fine dust remover (charcoal, activated carbon).
  • Another object of the present invention is to provide an air purifier using micro bubbles, which allows bacteria to be sterilized and odors removed from bubbles by natural fungicides.
  • the blower fan is set higher than the water level in the apparatus, and the U-shaped air inlet pipe is connected to the air nozzle hole installed at the bottom of the apparatus to blow air into the tube before blowing air.
  • the air is blown in, the water level drops and the air flows naturally into the device, thereby eliminating the artificial valve device between the air inlet pipe and the outer cylinder, thereby providing an air purifier using micro bubbles to remove sources of water leaks.
  • the blower fan is set higher than the water level in the apparatus, and the U-shaped air inlet pipe is connected to the air nozzle hole installed at the bottom of the apparatus to blow air into the tube before blowing air.
  • the present invention is a foam layer of a certain thickness is formed on the top of the water in the device by the rise of micro-bubbles, which has the effect that the purified air in the device stays for a while before the bubble bursts, the cover of the device
  • Another object of the present invention is to provide an air purifier using microbubbles for installing a UV irradiator on the bottom to finally sterilize.
  • An outer cylinder formed in a cylindrical shape and storing water therein;
  • the inner cylinder is formed with an open cylindrical upper and lower sides fixedly installed in the outer cylinder, a first shaft hole is formed in the center portion, and a plurality of fixing disks having a first slit hole provided outside the first shaft hole are fixedly installed in multiple stages.
  • a motor fixed to the outer cylinder;
  • a plurality of rotating disks are vertically connected by a drive shaft and a coupler of the motor, a second shaft hole is formed in the center, and a second slit hole is provided outside the second shaft hole.
  • a drive shaft alternately installed with the drive shaft to rotate the rotating disk according to the rotation of the motor to crush bubbles to generate micro bubbles; And installed between the bottom of the outer cylinder and the inner cylinder to supply contaminated air to the inner cylinder through an air nozzle hole to generate bubbles, and circulate the water of the outer cylinder by the rotational force and the water lift force of the rotating disk to the inner cylinder.
  • It characterized in that it comprises a nozzle unit is provided with a water circulation port.
  • the outer cylinder is fixed to the motor at the upper end, the cover is provided with an air discharge hole to discharge the purge air, the first valve is provided to supply or discharge water to one side.
  • the outer cylinder is provided with ultraviolet irradiation means on the bottom surface of the cover, the inlet is provided to drop the additive to the cover of the outer cylinder.
  • the inner cylinder is provided with a disk filter in the form of a mesh to primarily crush the bubbles generated in the air nozzle hole in the inner lower end.
  • the inner cylinder is plural in the width direction to re-pulverize the bubbles in the water rotating along the inner wall of the inner cylinder by the rotation of the rotating disk on the inner top and to promote the reaction of the plural kinds of additives and contaminants.
  • the band filter of the band form in which the third slit hole is formed.
  • each of the first slit holes of the fixed disk is formed radially with respect to the first shaft hole, the width is formed the same or different from each other, each of the second slit holes of the rotating disk Is formed radially with respect to the second shaft hole, the width is formed the same or different from each other.
  • each of the first slit holes may be formed to have the same length or different lengths
  • the second slit holes may be formed to have the same length or have different lengths. Is arranged.
  • each of the first slit hole and the second slit hole may be formed to be perpendicular to each other or to have an inclination, and to be symmetric with each other.
  • the rotating disk is disposed such that the width of the second slit hole gradually decreases as it moves upwardly based on the driving shaft.
  • the nozzle unit is connected to the air nozzle hole and the air inlet pipe, the air inlet pipe is formed to extend to the side of the outer cylinder, is connected to the drive shaft of the motor in the upper portion of the air inlet pipe
  • a blower fan is provided for introducing contaminated air into the air nozzle hole by the rotation of the motor, and a second valve is provided in a branch pipe branched vertically downward from the lower part of the air inlet pipe to discharge or supply water in the inner cylinder. do.
  • the rotating disk fixed to the shaft of the motor and the fixed disk unfixed to the shaft are alternately installed, and the slit hole in the rotating disk and the fixed disk Bubbles are passed through the slit holes of the rotating disk and the fixed disk, and are finely pulverized according to the rotation of the rotating disk to generate a large amount of micro bubbles, thereby microbubbling the polluted air flowing into the device from the outside to remove various pollutants.
  • the purified air is discharged to the outside and used as a filter, so that only contaminated water can be reused after replacement.
  • the water rises rapidly by the rotation of the disk, rotates and exits the inner cylinder to induce a virtuous cycle of water in the apparatus by strongly promoting the inflow of water into the water circulation port provided in the nozzle unit below the inner cylinder. Only a certain amount of water supplied therein can perform the air purification role.
  • the rotating disk can be rotated at a high speed between the fixed disks using a DC motor to generate a large amount of micro bubbles, thereby reducing power consumption and making it compact.
  • the blower fan by using the rotational force of the DC motor to pressurize the polluted air into the outer cylinder to reduce the power consumption, it is possible to reduce the power consumption additives (fine dust remover, natural fungicide, Odor remover, etc.) can be put through the inlet and irradiated with UV light to remove fine dust, sterilization and odor.
  • the power consumption additives fine dust remover, natural fungicide, Odor remover, etc.
  • FIG. 1 is a side cross-sectional view showing the configuration of an air purifier using microbubbles according to the present invention.
  • Figure 2a to 2d is a plan sectional view showing the configuration of a fixed disk of the air cleaning device using a micro bubble according to the present invention.
  • Figure 3a and Figure 3b is a perspective view showing the configuration of the band filter of the inner cylinder of the air cleaning device using a micro bubble according to the present invention.
  • 4A to 4D are plan cross-sectional views showing the configuration of a rotating disk of the air purifier using the microbubble according to the present invention.
  • Figure 5 is a perspective view showing the configuration of a nozzle unit of the air cleaning device using a micro bubble according to the present invention.
  • FIG. 6 is an explanatory view showing a state in which a rotating disk and a fixed disk are disposed on the drive shaft according to an embodiment of the present invention.
  • FIG 7 is an operation explanatory diagram showing the operation of the air purifier using the microbubble according to the present invention.
  • FIG. 1 is a side cross-sectional view showing the configuration of an air cleaning device using a micro bubble according to the present invention
  • Figures 2a to 2d is a plan view showing the configuration of a fixed disk of the air cleaning device using a micro bubble according to the present invention
  • 3a and 3b is a perspective view showing the configuration of the band filter of the inner cylinder of the air cleaning device using a micro bubble according to the present invention
  • Figures 4a to 4d is a rotating disk of the air cleaning device using a micro bubble according to the present invention
  • 5 is a perspective view showing the configuration of the nozzle unit of the air cleaning device using the micro bubble according to the present invention
  • Figure 6 is a rotating disk and a fixed disk according to an embodiment of the present invention to the drive shaft It is explanatory drawing which showed the arrange
  • the air cleaner 1 using the microbubble according to the present invention includes an outer cylinder 10, an inner cylinder 20, a motor 30, a drive shaft 40, and a nozzle unit 50. It is configured to include.
  • the outer cylinder 10 is formed in a cylindrical shape of a metal or synthetic resin material with an open upper surface so that water is stored at a predetermined level or less therein.
  • the outer cylinder 10 is fixed to the motor 30 to be described below on the top, and is provided with a cover 13 provided with an air discharge hole 11 to discharge clean air, supplying water to one side of the bottom surface Or to discharge the first valve 15.
  • the outer cylinder 10 is provided with ultraviolet irradiation means 17 for generating ultraviolet rays, such as an ultraviolet LED, on the bottom of the cover 13, and fine dust remover, natural fungicide, and odor on the cover 13 of the outer cylinder 10.
  • ultraviolet irradiation means 17 for generating ultraviolet rays, such as an ultraviolet LED, on the bottom of the cover 13, and fine dust remover, natural fungicide, and odor on the cover 13 of the outer cylinder 10.
  • An inlet 19 is provided to drop an additive such as a remover or the like.
  • the inner cylinder 20 is formed in a cylindrical shape made of a metal or synthetic resin material having an upper and lower surface fixedly installed in the outer cylinder 10, and a first shaft hole 21 is formed at a central portion thereof, and is disposed outside the first shaft hole 21.
  • the plurality of fixed disks 25 provided with the first slit holes 23 are fixedly installed in multiple stages by fixing bolts.
  • the inner cylinder 20 has a disk-shaped disk filter 27 having a mesh shape so as to first crush bubbles generated in the air nozzle hole 51 of the nozzle unit 50 to be described below at the inner lower end, and at the inner upper end.
  • Rotation of the rotating disk 47 of the drive shaft 40 causes the bubbles in the water to rotate along the inner wall of the inner cylinder 20 to be regrinded and to promote the reaction of a plurality of types of additives and contaminants.
  • a band filter 29 having a band shape in which a plurality of third slit holes 28 are formed in a direction is provided.
  • the first slit hole 23 of the fixed disk 25 is formed radially with respect to the first shaft hole 21, and the widths thereof are the same or different from each other.
  • the same lengths or different lengths are regularly arranged, and are formed vertically or inclined in one direction.
  • the band filter 29 is formed in the shape of a square band or has a round shape and is press-fitted to the upper end of the inner cylinder 20.
  • the motor 30 is fixed to the upper surface of the outer cylinder 10 as a DC motor. At this time, it is preferable that a controller (not shown) for controlling the rotational speed and power of the motor 30 is provided.
  • the drive shaft 40 is made of a metal or synthetic resin material is connected vertically by the drive shaft of the motor 30 and the coupler 41, the second shaft hole 43 is formed in the center, the second shaft hole 43 outside the
  • a plurality of rotating disks 47 provided with the second slit hole 45 are installed in multiple stages by the spacer 49, and are alternately installed with the fixed disk 25 of the inner cylinder 20 to rotate the motor 30.
  • the rotating disk 47 is rotated to crush bubbles to generate micro bubbles.
  • the rotating disk 47 preferably maintains a distance of 1.0 to 2.0 mm from the fixed disk 25.
  • the second slit hole 45 of the rotating disk 47 is formed radially with respect to the second shaft hole 43, and the widths thereof are the same or different from each other. And the same length or different lengths are arranged regularly, and are formed vertically or inclined in one direction so as to be symmetrical with the inclination of the first slit hole 23 of the fixed disk 25. Is formed.
  • the nozzle unit 50 is formed in a cylindrical shape to be coupled to the bottom surface of the inner cylinder, as shown in Figure 5, by supplying the outside air through the air nozzle hole 51 in the inner cylinder 20 to generate bubbles ,
  • the water circulation port 53 for circulating the water of the outer cylinder to the inner cylinder 20 is provided.
  • the air is supplied from the outside through the air nozzle hole 51 to generate bubbles, and the bearing 55 is provided to rotate the drive shaft 40 in the center of the upper surface.
  • the nozzle unit 50 is connected to the air nozzle hole 51 and the air inlet pipe 57, the air inlet pipe 57 is formed to extend to the side of the outer cylinder 10, the air inlet pipe 57
  • the blower fan 59 is connected to the drive shaft of the motor 30 by a chain, a belt, or the like, and introduces contaminated air into the air nozzle hole 51 by the rotation of the motor 30.
  • the water in the outer tube 10 is introduced into the air inlet tube 57 and maintained at the same level, but when the contaminated air is introduced through the brower 59, the water level is lowered by the pressure, through the air nozzle hole 51.
  • Supply contaminated air is provided with a second valve 58 in the branch pipe (57a) branched in the vertical direction from the bottom to discharge or supply the water in the inner cylinder (20).
  • FIG. 6 is an explanatory view showing a state in which a rotating disk and a fixed disk are disposed on a drive shaft according to an embodiment of the present invention.
  • the rotating disk 47 is formed with a width of the second slit hole 45 2mm, 1.5mm, 1.0mm, 0.5mm from the bottom to the top, fixed disk
  • the width of the first slit hole 23 was formed to be 2 mm, 1.5 mm, 1.0 mm, and 0.5 mm from the bottom to the top, and the second slit hole 45 of each rotating disk 25 was formed. It is a form in which the inclination was formed in the rotation direction, and the space
  • all of the first and second slit holes 23 and 45 may be equally spaced, or may be disposed symmetrically with respect to both the rotating disk 47 and the fixed disk 25. have.
  • FIG 7 is an operation explanatory diagram showing the operation of the air purifier using the microbubble according to the present invention.
  • the fan 59 of the nozzle unit 50 is rotated so that the polluted air flows into the air inlet pipe 57.
  • the water inside the air inlet pipe 57 is discharged into the inner cylinder 20 through the air nozzle hole 51 by pressure, and contaminated air flows into the inner cylinder 20 through the air nozzle hole 51.
  • the finely divided bubbles rotate into the inner cylinder 20 and change into micro bubbles while passing through the second slit hole 45 of the rotating disk 47 and the first slit hole 33 of the fixed disk 35.
  • air pollutants are primarily mixed with water inside the inner cylinder 20 and collected.
  • the bubbles contained in the water ascends on the wall surface of the inner cylinder 20 by the rotational force, in which vortices are generated while passing through the band filter 29 and once again subdivided and melted in the water. Reaction removes fine dust in bubbles, sterilizes, and removes odors.
  • the fine dust removal is using the electrical drag phenomenon between the fine dust remover and the fine dust, a plurality of types of additives using a natural material harmless to the human body.
  • the water rising causing the vortex in the inner cylinder 20 is discharged to the outer cylinder 10 and then moved to the lower side of the outer cylinder 10, and then flows into the water circulation port 53 of the nozzle unit 50 again and continuously circulates. Done.
  • a plurality of types of additives used to remove fine dust, bacteria, and odors are introduced into the outer cylinder 10 through the inlet 19.
  • the air cleaner using the micro bubble according to the present invention is applicable to an air cleaner, a vacuum cleaner, and the like.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
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  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Water Treatments (AREA)
  • Separation Of Particles Using Liquids (AREA)

Abstract

La présente invention concerne un appareil de purification d'air utilisant des microbulles et, plus particulièrement, un appareil de purification d'air utilisant des microbulles, qui change l'air pollué s'écoulant dans le dispositif de purification d'air en microbulles, capture divers polluants dans l'eau, puis rejette l'air purifié à l'extérieur, à l'aide d'un générateur de bulles dans lequel des disques rotatifs fixés à un arbre d'un moteur et des disques fixes qui ne sont pas fixés à l'arbre sont formés en alternance de façon à être espacés les uns des autres, et les bulles d'air sont finement décomposées lors de leur passage à travers des fentes formées dans les disques rotatifs et les disques fixes par la rotation des disques rotatifs afin de produire une grande quantité de microbulles.
PCT/KR2016/010305 2015-09-18 2016-09-13 Appareil de purification d'air utilisant des microbulles Ceased WO2017048034A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0132238 2015-09-18
KR1020150132238A KR101614906B1 (ko) 2015-09-18 2015-09-18 마이크로 버블을 이용한 공기 청정장치

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WO2017048034A1 true WO2017048034A1 (fr) 2017-03-23

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KR (1) KR101614906B1 (fr)
WO (1) WO2017048034A1 (fr)

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US11027236B2 (en) * 2016-06-28 2021-06-08 Airovation Technologies Ltd. Air treatment systems and methods
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KR102097902B1 (ko) * 2018-08-28 2020-04-06 이영일 물을 이용한 다용도 공기 청정기
WO2020045803A1 (fr) * 2018-08-28 2020-03-05 이영일 Purificateur d'air polyvalent utilisant de l'eau
WO2020085795A2 (fr) * 2018-10-23 2020-04-30 성창호 Purificateur d'air
KR102178549B1 (ko) * 2018-10-23 2020-11-17 성창호 공기청정기
KR102067737B1 (ko) * 2018-11-06 2020-01-17 주식회사 쓰리스타 물필터 공기청정기
KR102193458B1 (ko) 2019-01-23 2020-12-21 (주)대현엔텍 먼지 제거 시스템
KR102154608B1 (ko) 2019-03-29 2020-09-10 김일복 수중 천연공기 발생 시스템
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KR102289019B1 (ko) * 2019-11-25 2021-08-11 서울대학교산학협력단 인체 호흡 순환계 모방 순환식 공기 정화 시스템 및 그 장치
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