WO2020080761A1 - Poussette dotée d'une fonction de prévention d'entrée de poussière fine - Google Patents

Poussette dotée d'une fonction de prévention d'entrée de poussière fine Download PDF

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Publication number
WO2020080761A1
WO2020080761A1 PCT/KR2019/013408 KR2019013408W WO2020080761A1 WO 2020080761 A1 WO2020080761 A1 WO 2020080761A1 KR 2019013408 W KR2019013408 W KR 2019013408W WO 2020080761 A1 WO2020080761 A1 WO 2020080761A1
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WO
WIPO (PCT)
Prior art keywords
air
fine dust
air supply
stroller
seat
Prior art date
Application number
PCT/KR2019/013408
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English (en)
Korean (ko)
Inventor
이정호
Original Assignee
이정호
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 이정호 filed Critical 이정호
Publication of WO2020080761A1 publication Critical patent/WO2020080761A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/14—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0608—Perforated ducts

Definitions

  • the present invention relates to a stroller having a fine dust inflow prevention function that can prevent the outside contaminated air from entering the seat portion of the stroller by allowing air to be injected around the seat portion seated by the infant in the cover member of the stroller.
  • a guardian uses a baby back carrier or a baby carriage to go out with a toddler or to a destination.
  • the infant backpack is a frame made of aluminum, which allows children to sit inside, so it can be conveniently used when getting on and off stairs, trains or buses, and has the advantage of low cost. Since it must be suspended from the ground to a certain height, there is an uncomfortable disadvantage such as infants complaining of pain over time.
  • the stroller is more expensive than the infant backpack, but it is widely used because it has a sunshade, a windshield, etc. and has a seat and a footrest on the main body so that the infant can move as comfortable as possible.
  • An object of the present invention is to provide a stroller having a function to prevent inflow of fine dust that can prevent the outside contaminated air from entering the seat portion of the stroller by allowing air to be injected around the seat portion where the infant is seated in the cover member of the stroller. Is to do.
  • the stroller having the function of preventing the inflow of fine dust is provided with a seat member in a state provided on a cover member 30 covering an infant seated on the seat unit 20 provided on the stroller 10 ( 20) by spraying air around the fine dust preventing member 100 to prevent the outside air mixed with fine dust from entering the seat 20, and the air in a state installed in communication with the fine dust preventing member 100
  • the fine dust prevention member 100 is an air space 110 through which both ends are connected to the air supply member 200 while the inner space through which the air flows is opened at both ends, and the inner space at the bottom of the air tube body 110. It is characterized in that it comprises an air injection port 111 through which the air flowing through the interior space of the air tube body 110 is injected.
  • the air injection port 111 is characterized in that it is formed in a rectangular shape along the longitudinal direction of the air tube (110).
  • the air supply member 200 is an external air supply unit 210 for supplying external air, and a compressed air supply unit for compressing the air supplied by the external air supply unit 210 and supplying it to the fine dust prevention member 100 It characterized in that it comprises (220).
  • the compressed air supply unit 220 is formed in the form of an upper and lower light on both sides of the air guide cylinder 221 and the air guide cylinder 221 for guiding air supplied from the external air supply unit 210 to both sides. It includes an air compression unit 222 for compressing the air, characterized in that the fine dust prevention member 100 is connected to the top.
  • the air supply member 200 is an external air supply unit 210 for supplying external air, an air compressor 240 for compressing and supplying air supplied from the external air supply unit 210, and fine compressed air
  • an air compressor 240 for compressing and supplying air supplied from the external air supply unit 210
  • fine compressed air In the state of amplifying the amount of air by introducing external air by the compressed air supplied from the guide tube 250 while being connected to the guide tube 250 and the fine dust prevention member 100 to guide the dust prevention member 100
  • it comprises an air amplifying section 230 supplied to the fine dust prevention member 100.
  • the air amplification unit 230 has an outer space 231 and an outer member 231 through which air supplied from the air compression unit 250 flows into the inner space through the side while the inner space is opened at both ends, and the inner space is at both ends. It is open and one end is inserted and fixed inside the outer member 231, the other end includes an inner member 232 communicating with the fine dust prevention member 100, and the outer member 231 is composed of a tubular body and is on the side.
  • a communication hole 233 to which the air compression unit 222 of the compressed air supply unit 220 is connected is formed, and the air supplied to the communication hole 233 and moved along the outside of the inner member 232 is moved to the inner member 232 ) Is formed with an air guide jaw 231a guiding inward, and the inner member 232 is inserted into the outer member 231 and gradually expands in diameter at one end proximate to the air guiding jaw 231a. ) Is formed.
  • the present invention includes a seat air supply member 300 for supplying air supplied from the air supply member 200 to an infant seated in the seat 20,
  • the seat air supply member 300 is an air supply member ( 200) the air supply pipe 310 through which air is supplied through which both ends are connected in communication and which is formed to be dispersed in the air supply pipe 310 and injects air into the seat portion 20 through which the air is injected ( 320).
  • the air supply pipe 310 is formed in a "U" shape is characterized in that it is located at the rear of the seat 20.
  • the compressed air supply unit 220 of the air supply member 200 is a rotating part 223 to which the fine dust prevention member 100 is connected in communication, and a one-side connection part to be rotated while being connected to one side of the rotating part 223 (224), between the other side of the connecting portion 225 is connected to be rotated while communicating with the other side of the rotating portion 223 is fixed to communicate with the seat air supply member 300, and one side of the connecting portion 224 and the other connecting portion 225 It characterized in that it comprises a fastening portion 226 for fastening the one side connecting portion 224 and the other connecting portion 225 so that the rotating portion 223 is rotatably supported.
  • the present invention is to prevent the outside of the polluted air from entering the seat portion of the stroller by allowing air to be injected around the seat portion seated by the infant in the cover member of the stroller, the air in the stroller containing fine dust There is an advantage that can be protected from.
  • the air film may be firmly sprayed from the fine dust prevention member to firmly form an air film between the cover member and the seat unit.
  • an air film is formed to prevent the inflow of external air while ensuring the field of view of the infant.
  • a large amount of air may be supplied to the fine dust prevention member by the inflow of external air by the air amplification unit.
  • FIG. 1 is a view showing a stroller having a function of preventing the inflow of fine dust according to an embodiment of the present invention.
  • Figure 2 is a view showing the configuration of Figure 1;
  • FIG. 3 is a view showing another embodiment of the present invention.
  • FIG. 4 is a view showing the configuration of FIG. 3;
  • Figure 5 is a cross-sectional view of an exploded state showing the air amplification of the present invention.
  • Figure 6 is a cross-sectional view showing a process of amplifying the air by the air amplifying portion of the present invention.
  • FIG. 7 is a view showing a state in which the seat air supply member of the present invention is applied to a stroller.
  • Figure 8 is a partial perspective view showing an enlarged portion of the seat air supply member of the present invention.
  • Figure 9 is a cross-sectional view showing a process of supplying air to the seat air supply member of the present invention.
  • FIG. 10 is a view showing a state in which air is supplied to the seat through the seat air supply member of the present invention.
  • the stroller having a fine dust inflow prevention function includes a fine dust prevention member 100 and an air supply member 200.
  • the stroller 10 is provided with wheels in the stroller frame for maintaining the shape, the stroller frame can be moved.
  • the stroller frame may be configured to be folded by being coupled through a hinge, so that the volume of the stroller 10 can be stored in a minimized state.
  • the stroller 10 is provided with a seat 20 for infants to board, so the stroller 10 may be moved by wheels while the infant is on board.
  • the seat portion 20 is provided in the stroller 10 is seated for infants, and is provided at the rear of the seat to be seated or lying on the back so that the infant can sit or lie down, and in a state surrounding the seat and backrest It may be made of a cloth fixed to the seat frame.
  • the cover member 30 may be formed of cover frames 31 rotatably installed in the stroller 10 and cover cloth 32 installed in a state surrounding the cover frames 31.
  • the cover frame 31 is formed in a 'U' shape, and both ends are rotatably installed on the stroller frame of the stroller 10 through a hinge. Accordingly, when the user rotates the cover member 30, the cover frames 31 are sequentially rotated so that the cover cloth 32 is unfolded to cover the seat 20. That is, sunlight may be blocked by the cover member 30.
  • the fine dust prevention member 100 is provided on the cover member 30 covering the infant seated in the seat portion 20 provided in the stroller 10, and sprays air around the seat portion 20 to fine It is possible to prevent the outside air mixed with dust from entering the seat 20.
  • the fine dust prevention member 100 has an air tube 110 in which both ends are connected to the air supply member 200 while the inner space through which the air flows is opened at both ends, and the inner space from the lower part of the air tube 110. It includes an air injection port 111 that is in communication with the air flowing through the interior space of the air tube body 110 is injected.
  • the air tube 110 is formed in a substantially 'U' shape and is rotatably installed in the stroller frame of the stroller 10 together with the cover frame 31 while being connected to the cover cloth 32. Therefore, when the air tube 110 is rotated, the cover fabric 32 is unfolded, and the cover frames 31 are sequentially rotated. That is, the cover frame 31 covers the seat 20 while the air tube 110 is positioned on the top of the seat 20.
  • the air pipe 110 is rotatably connected with both ends communicating with the air supply member 200 to be described later. Accordingly, the air tube 110 discharges air supplied from the air supply member 200 through the air injection port 111 in a state rotated by the air supply member 200.
  • the air jet opening 111 is formed in a rectangular shape along the longitudinal direction of the air tube 110. Therefore, since the air injected through the air injection hole 111 formed in a line shape along the air tube 110 is sprayed in a 'U' shape, an air curtain may be formed along the periphery of the seat portion 20. That is, since the inner space and the outer space of the seat portion 20 are separated by the air curtain, it is possible to prevent external air containing fine dust from flowing into the seat portion 20. Thereby, the infant on the stroller 10 can be protected from fine dust.
  • the air supply member 200 is for supplying air in a state installed in communication with the fine dust prevention member 100, and is supplied by an external air supply unit 210 and an external air supply unit 210 for supplying external air It includes a compressed air supply unit 220 for compressing the air to supply to the fine dust prevention member 100.
  • the external air supply unit 210 is provided with an air case 211 in which an intake port 211a through which air is sucked and an exhaust port 211b through which air is discharged, and a DC motor 212 provided in the air case 211 to generate rotational force. And a turbo fan that is rotated by the rotational force generated by the DC motor 212 to suck external air through the intake 211a of the air case 211 to discharge external air sucked through the outlet 211b of the air case 211 (213).
  • the inlet 211a of the air case 211 is exposed to the outside and the outlet 211b is connected to the compressed air supply 220.
  • an air filter 214 for filtering fine dust contained in the outside air to be sucked is installed in the inlet 211a of the air case 211.
  • the DC motor 212 may be operated by power supplied from the rechargeable battery 40 provided in the stroller 10.
  • turbo fan 213 Since the turbo fan 213 is rotated at a high speed, high pressure air may be supplied. Therefore, air may be strongly injected through the relatively small diameter fine dust prevention member 100.
  • the compressed air supply unit 220 is provided with air guide cylinders 221 to guide the air supplied from the external air supply unit 210 to both sides, and air guided by being formed in the form of a downward light on both sides of the air guide cylinder 221. It includes an air compression unit 222 to compress.
  • the air guide tube 221 is positioned at the lower portion of the seat 20 while an internal space through which air flows is formed. And, the air case 211 is connected to the lower portion of the air guide cylinder 221 in communication. And, the air guide tube 221 is formed with an air nutrient portion (221a) for nutrients to circulate the air.
  • the air nutrient portion 221a may be formed of a triangular chin protruding from the inner circumferential surface of the air guide cylinder 221. That is, it can be divided as the incoming air collides with the triangular jaw.
  • the air compression unit 222 Since the air compression unit 222 has a shape that narrows toward the top and the fine dust prevention member 100 is connected to the upper portion, the guided air may be compressed and strongly supplied to the fine dust prevention member 100.
  • the air supply member 200 is an air supplying the air supplied by compressing the air supplied from the external air supply unit 210 and the external air supply unit 210 Compressor 240, a guide pipe 250 for guiding compressed air to the fine dust prevention member 100, and compressed air supplied from the guide pipe 250 in a state connected to the fine dust prevention member 100 It includes an air amplifying unit 230 for supplying the fine dust prevention member 100 in a state of amplifying the amount of air by introducing external air.
  • the external air supply unit 210 may be formed of the DC motor 212 and the turbo fan 213 described above.
  • the air compressor 240 compresses and supplies air supplied from the external air supply unit 210.
  • the air compression unit 250 is composed of a tubular body having a smaller diameter than the air compressor 240, and the compressed air supplied from the air compressor 240 is further compressed to be supplied to the fine dust prevention member 100.
  • the air amplification unit 230 has an outer space 231 and an outer member 231 through which air supplied from the air compression unit 250 enters the inner space through the side, and the inner space is opened at both ends while the inner space is opened at both ends. Being one end is inserted and fixed inside the outer member 231, the other end includes an inner member 232 communicating with the fine dust prevention member 100.
  • the outer member 231 is formed of a tubular body, and a communication hole 233 is connected to the air compression unit 222 of the compressed air supply unit 220 on the side, and is supplied to the communication hole 233 to supply the inner member 232
  • An air guide jaw 231a is formed to guide air moving along the outside of the inside to the inside of the inner member 232.
  • the outer member 231 is formed with an inner jaw 235 on the inner circumferential surface, and a female thread 237 is formed.
  • the inner member 232 is formed of a tubular body, and an inclined surface 234 that gradually narrows toward the inside from the other end is formed,
  • the inner member 232 is formed with an outer jaw 236 that is in close contact with the inner jaw 235 of the outer member 231, a male thread 238 screwed to the female thread 237 of the outer member 231 ) Is formed.
  • the inner member 232 is inserted into the outer member 231 is formed with an expansion portion 239 that gradually increases in diameter at one end proximate to the air guide jaw 231a, and an expansion surface whose inner diameter gradually expands at the other end. 234 is formed.
  • compressed air is supplied to the communication hole 233 to move along the outer circumferential surface of the inner member 232 and then guide the air guide jaw 231a of the outer member 231 that is close to the extension 239 of the inner member 232. It is guided by and is supplied to the inner space of the inner member 232 along the inner surface of the extension 239. Accordingly, when compressed air is supplied to the inner space of the inner member 232, external air is introduced along the outer member 231. That is, as the compressed air moves to the inner space of the inner member 232, the external air flows into the outer member 231 and passes through the inner space of the inner member 232 to prevent fine dust together with the compressed air 100 Is supplied with.
  • the air amplifying unit 230 may be provided with an outer member 231 and a dust filter 230a for filtering fine dust contained in the intake air may be installed.
  • air may be strongly injected through the relatively small diameter fine dust prevention member 100. That is, a strong air film may be formed by strong air injection.
  • FIGS. 7 to 10 Another embodiment of the present invention will be described as shown in FIGS. 7 to 10.
  • the present invention includes a seat air supply member 300 for supplying air supplied from the air supply member 200 to an infant seated in the seat unit 20.
  • the seat air supply member 300 is connected to both ends of the air supply member 200 in communication, and the air supply tube 310 through which the supplied air flows through and the seat part formed and distributed through the air supply tube 310 to flow through It includes a plurality of injection holes 320 for injecting air to the (20).
  • the air supply pipe 310 is formed in a “U” shape and is positioned along the circumference at the rear of the seat portion 20 so that both ends are connected to the compressed air supply portion 220 of the air supply member 200. Accordingly, air supplied from the compressed air supply unit 220 is supplied to the air supply pipe 310.
  • the injection hole 320 may be formed of a through hole or a nozzle formed to be dispersed in the air supply pipe 310. And, the injection hole 320 is preferably formed on the upper portion of the air supply pipe (310).
  • the cover member 30 does not lose to the outside and spreads and descends as a whole, so that it can be supplied to the infant as a whole. That is, the air is not directly supplied to the infant, but is distributed while being reflected on the cover member 30, and may be provided evenly and indirectly around the infant.
  • the seat air supply member 300 is covered by the cover member 30 so that the air supplied from the seat air supply member 300 is not lost to the outside by the cover member 30, the seat portion 20 It can be provided to infants sitting on. At this time, since the clean air filtered by the air filter 214 or the dust filter 230a is supplied to the seat 20, the infant can be provided with the filtered fresh air.
  • the compressed air supply unit 220 of the air supply member 200 includes a rotating unit 223 to which the fine dust prevention member 100 is connected in communication, and a one-side connection unit to be rotated while being connected to one side of the rotating unit 223 ( 224), the other side of the connecting portion 225 is connected to be rotated while communicating with the other side of the rotating portion 223 is fixed to communicate with the seat air supply member 225, and one side connecting portion 224 and the other connecting portion 225 It includes a fastening portion 226 for fastening one side connection portion 224 and the other side connection portion 225 so that the rotation portion 223 is rotatably supported.
  • the rotating portion 223 is formed with a hole in which the fine dust preventing member 100 communicates with the outside and the inner space is opened to both sides, and the one side connection portion 224 and the other side connection portion 225 cover each hole and rotate on both sides. Connected as possible. At this time, circular or arc-shaped grooves are formed around the holes on both sides of the rotating portion 223, and projections that move along the grooves are formed on the one side connection portion 224 and the other side connection portion 225, respectively. Therefore, the rotating part 223 may be rotated between the one side connection part 224 and the other side connection part 225. That is, the fine dust prevention member 100 may be rotated together with the rotating portion 223.
  • One side connection portion 224 is formed to extend upward from the air compression portion 222, the air flows through the interior space.
  • the other side connection portion 225 is located on the opposite side of the one side connection portion 224 to support the rotating portion 223 rotatably while air flows through the interior space.
  • the fastening part 226 includes a male fastening part 227 penetrating one side connecting part 224, a rotating part 223, and the other connecting part 225, and a female fastening part 228 fastened to both ends of the male fastening part 227. It includes.
  • the male fastening portion 227 is composed of pins on which male threads are formed at both ends.
  • the female fastening portion 228 is composed of a nut that is screwed to the male thread of the pin.
  • the rotation portion 223 can be easily rotated.
  • the air flowing through the rotation portion 223 is a fine dust prevention member It is supplied to the (100), and the air flowing through the other connection portion 225 is supplied to the seat air supply member 300.
  • the air supplied through the air injection unit 111 formed on the air tube 110 of the fine dust prevention member 100 is injected to prevent the inflow of fine dust, and the air supply tube of the seat air supply member 300
  • the air supplied through the injection hole 320 formed in 310 is injected to be provided to the infant.
  • the area of the injection port 320 is smaller than the area of the air injection unit 111. That is, a large amount of air injected from the air injection unit 111 is supplied to the periphery of the seat portion 20 to cover the entire periphery of the seat portion 20. In addition, fresh air injected in a smaller amount than the air injection unit 111 is properly supplied from the injection port 320 without being excessive to the infant.
  • the present invention is applied to the stroller since the air is injected along the periphery of the cover member of the stroller so that an air film can be formed along the periphery of the seating portion where the infant is seated, thereby protecting the toddler from contaminated external air. It is a very useful invention that can be widely used.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention concerne une poussette ayant une fonction de prévention d'entrée de poussière fine, la poussette permettant à de l'air d'être pulvérisé à partir d'un élément capot de la poussette sur la circonférence d'une partie siège sur laquelle un nourrisson est assis, ce qui permet de prévenir l'écoulement d'air extérieur pollué vers la partie siège de la poussette. La présente invention comprend : un élément de prévention de poussière fine (100), qui pulvérise de l'air sur la circonférence d'une partie siège (20) tout en étant disposé sur un élément capot (30) qui recouvre un nourrisson assis sur la partie siège (20) disposée dans une poussette (10), empêchant ainsi l'air extérieur mélangé avec de la poussière fine de s'écouler vers la partie siège (20) ; et un élément d'alimentation en air (200) pour fournir de l'air tout en étant conçu pour communiquer avec l'élément de prévention de poussière fine (100).
PCT/KR2019/013408 2018-08-29 2019-10-14 Poussette dotée d'une fonction de prévention d'entrée de poussière fine WO2020080761A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180101898 2018-08-29
KR1020180123986A KR102007311B1 (ko) 2018-08-29 2018-10-17 미세먼지 유입방지 기능을 갖는 유모차
KR10-2018-0123986 2018-10-17

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WO2020080761A1 true WO2020080761A1 (fr) 2020-04-23

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PCT/KR2019/013408 WO2020080761A1 (fr) 2018-08-29 2019-10-14 Poussette dotée d'une fonction de prévention d'entrée de poussière fine

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KR (1) KR102007311B1 (fr)
WO (1) WO2020080761A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021249767A1 (fr) * 2020-06-12 2021-12-16 Livable Orb Ab Dispositif de purification d'air

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102007311B1 (ko) * 2018-08-29 2019-08-05 이정호 미세먼지 유입방지 기능을 갖는 유모차
CN113525472A (zh) * 2020-04-19 2021-10-22 罗轶 多功能适老购物车

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314727A (en) * 1980-05-05 1982-02-09 Potts James H All-purpose weather guard
US6027137A (en) * 1998-08-10 2000-02-22 Rura; Joan Baby carriage with cooling mechanisms
JP2006291941A (ja) * 2005-04-05 2006-10-26 Fukuhara Co Ltd 圧縮空気量の増幅方法および増幅装置
KR20160145405A (ko) * 2015-06-10 2016-12-20 강순임 공기 정화기를 갖는 유모차
KR20170055686A (ko) * 2015-11-12 2017-05-22 학교법인 송원대학교 공기 조화기를 구비한 유모차 및 이를 이용한 유모차의 공기조화 방법
KR102007311B1 (ko) * 2018-08-29 2019-08-05 이정호 미세먼지 유입방지 기능을 갖는 유모차

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314727A (en) * 1980-05-05 1982-02-09 Potts James H All-purpose weather guard
US6027137A (en) * 1998-08-10 2000-02-22 Rura; Joan Baby carriage with cooling mechanisms
JP2006291941A (ja) * 2005-04-05 2006-10-26 Fukuhara Co Ltd 圧縮空気量の増幅方法および増幅装置
KR20160145405A (ko) * 2015-06-10 2016-12-20 강순임 공기 정화기를 갖는 유모차
KR20170055686A (ko) * 2015-11-12 2017-05-22 학교법인 송원대학교 공기 조화기를 구비한 유모차 및 이를 이용한 유모차의 공기조화 방법
KR102007311B1 (ko) * 2018-08-29 2019-08-05 이정호 미세먼지 유입방지 기능을 갖는 유모차

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021249767A1 (fr) * 2020-06-12 2021-12-16 Livable Orb Ab Dispositif de purification d'air
TWI793628B (zh) * 2020-06-12 2023-02-21 瑞典商布博有限公司 空氣清淨裝置及兒童承載裝置及包含其之座椅單元

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