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1.WO/2020/181655MULTI-MODE VENTILATION PURIFIER
WO 17.09.2020
Int.Class F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
Appl.No PCT/CN2019/087429 Applicant TIANJIN UNIVERSITY Inventor ZHANG, Tengfei
A multi-mode ventilation purifier. The ventilation purifier is divided by a middle partition plate (9) into a mechanical ventilation housing and a natural ventilation housing. The mechanical ventilation housing comprises, sequentially from bottom to top, a mechanical fresh air inlet (17), a prefilter (5), a leadscrew slide platform A(27), an indoor seal door A(4), an air grille C(12), a centrifugal fan (3), a high efficiency filter (2), and an air grille A(1). The natural ventilation housing comprises, sequentially from bottom to top, a natural fresh air inlet (16), an airflow regulating plate (11), a leadscrew slide platform B(25), an indoor seal door B(10), an air grille D(14), a leadscrew slide platform C(8), a bypass door (28), a medium efficiency filter (7), and an air grille B(6). The ventilation purifier has multiple modes comprising two natural ventilation modes and three mechanical ventilation modes. A ventilation mode and an air volume are automatically selected by means of a control panel according to indoor and outdoor air quality and ventilation requirements. Multiple modes of ventilation allow ventilation to consume less energy, and extend the service life of the ventilation purifier.
2.WO/2020/184993PERSONAL AIR PURIFIER
WO 17.09.2020
Int.Class F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
Appl.No PCT/KR2020/003416 Applicant LEE, Myung Jin Inventor LEE, Myung Jin
The present invention relates to a personal air purifier wherein a device for purifying air is directly connected to a respiratory device worn on the user’s face so as to enable the consumer to directly inhale purified air such that same can be utilized in various indoor spaces according to the consumer’s needs. More specifically, the present invention relates to a portable personal air purifier comprising: a purifier body shaped such that the user can carry same and configured to purify air by a filter; a ventilation body connected to the purifier body so as to circulate air; and a respiratory device connected to the ventilation body and mounted such that purified air can be inhaled. The purifier body has a filter containing space formed in a casing thereof such that a filter can be inserted therein. The filter containing space is provided in such a structure that a filter can be moved into/out of same in one direction, thereby making it possible to insert/remove a filter body. The respiratory device is configured such that respiration proceeds through a ventilation line for air introduced from the purifier body and a ventilation line for air exhaled from the user, which is separate therefrom, thereby making it possible to inhale purified air and then discharge exhaled air to the outside. In the filter containing space of the casing, a lock device for preventing the contained filter from detaching and an elastic support means for inducing an outward movement of the filter by means of an elastic restoration force, when the lock device disengages, are provided, thereby making it possible to easily move the filter outwards or to insert same. Accordingly, the air purifier can be worn on the user’s face only when necessary while carrying same, thereby enabling the user to breathe only purified air. The filter is configured such that the user can easily replace same. The air purifier, in spite of being compact, has a simplified intake/exhaust structure while guaranteeing smooth respiration, thereby accomplishing compactness thereof.
3.WO/2020/184912TOWER-TYPE AIR PURIFICATION APPARATUS AND AIR PURIFICATION METHOD THEREOF
WO 17.09.2020
Int.Class F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
Appl.No PCT/KR2020/003162 Applicant KIM, Hyun Min Inventor KIM, Hyun Min
The present invention relates to a tower-type air purification apparatus installed outdoors and operated in order to purify air pollution such as fine dust, etc. Specifically: in order to easily separate and purify air pollutants in the air, the apparatus is assembled into a tower shape by modularizing the main component parts of a main body; by means of a controller for providing an air purification algorithm in accordance with air pollution measurement information, the operation of a blower, a mist sprayer, an ion emitter, a cleaning water sprayer and an adsorption brush, which are installed in the apparatus, is appropriately controlled so that a large amount of suctioned-in air is rapidly purified; and the apparatus may be operated independently, or operated collectively by remote control on the basis of an appropriate air purification algorithm for each air pollution region, provided by a weather center.
4.WO/2020/181951SYSTEM AND METHOD FOR DETECTING AND REMOVING ODOR AND BACTERIA FROM A SEALED VOLUME OF AN APPLIANCE USING OZONE
WO 17.09.2020
Int.Class A61L 9/015
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
9Disinfection, sterilisation or deodorisation of air
015using gaseous or vaporous substances, e.g. ozone
Appl.No PCT/CN2020/075111 Applicant QINGDAO HAIER REFRIGERATOR CO., LTD. Inventor YOON, Je Kwon
A method and a system are provided that include features for operating an appliance in an odor removal cycle. In one aspect, an appliance (200) has a housing (210) defining a sealable volume (212) and includes an ozone generator (232), an ozone detection device (234), and a controller (220). In an odor removal cycle, the controller (220) causes the ozone generator (232) to inject, at a predetermined injection interval, predefined dosages of ozone into the sealable volume (212) of the appliance (200). The controller (220) monitors the concentration level within the sealable volume (212) after each injection based on inputs received from the ozone detection device (234). The controller (220) ascertains when the concentration level reaches a maximum concentration level threshold, and when this occurs, the controller (220) can cease the injections and can activate one or more ozone removal devices (238).
5.WO/2020/184770AIR DOME APPARATUS FOR FORMING TEMPERATURE INVERSION LAYER IN UPPER AIR, AND GENERATION METHOD THEREOF
WO 17.09.2020
Int.Class F24F 9/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
9Use of air currents for screening, e.g. air curtains
Appl.No PCT/KR2019/003541 Applicant NTHCOMPANY CO., LTD. Inventor LEE, Kun Hong
Disclosed are an air dome apparatus and an air dome generation method thereof. The air dome apparatus, of the present invention, suctions in surrounding air, separates and discharges fine dust therefrom. When discharging the separated fine dust and clean air to an upper part, the air dome apparatus discharges by warming up air containing the fine dust and cooling down the clean air, thereby generating a temperature inversion layer (an air dome) in the upper air section in which the warm air containing fine dust is blocked from flowing down to the cooled-down lower air layer. When a plurality of the air dome apparatuses are installed on respective neighboring buildings, air domes may be formed in the upper air of the buildings, and thus the interior spaces of the air domes may be filled with purified clean air.
6.WO/2020/178646FILTRATION DEVICE
WO 10.09.2020
Int.Class F24F 1/035
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
1Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
0328with means for purifying supplied air
035characterised by the mounting or arrangement of filters
Appl.No PCT/IB2020/051057 Applicant THESSLA GREEN SP. Z O.O. Inventor PRYMON, Marek
The subject of invention is a filtration device to be installed in ventilation or air conditioning systems consisting of a housing equipped with connection ports, a filtration unit equipped with a controlled fan and at least one sensor for measuring the concentration of air pollutants connected to the microcontroller controlling the fan, characterized in that in the space of the filtration chamber (2), formed by the housing of the filtration device (3), a filtration unit (4) composed of at least a pre-filter (5) and a HERA fine filter (6) and a fan (8) with adjustable capacity, placed in a common structure (9), whereby the fan (8) is mounted tightly with its suction side to the outlet baffle of this structure, preferably enabling two-sided replacement of the filters and permanently connected to the housing of the filtration device (3), with dimensions and location in the filtration chamber (2), dividing the space in the filtration chamber (2) into an air inlet section (10), an air outlet section (11) and a bypass duct (12), so that the space from the inlet air port side (13) between the wall of the filtration device housing (3) and the surface defined by the frontal surface of the air inflow to the filtration unit (4) forms the air inlet section (10) and the space from the outlet air port side (14) between the wall of the filtration device housing (3) and the area defined by the outlet structural surface of the filtration unit (9) forms the air outlet section (11) with the cross-sectional area of the filtration unit (4) in the plane perpendicular to the direction of air flow through the filtration device (4) and passing through the centre of the structure (9) of the filtration unit (4) being 40% - 90% of the cross-sectional area of the filtration chamber (2) while the remaining space of the filtration chamber is the bypass duct (12), whereas the fan (8) of the filtration unit (4) is controlled by a microcontroller (15), to which a sensor for outlet air pollution concentration (18) is connected, mounted downstream of the outlet port (14) or by the user, using the control panel (16).
7.20200282097DEVICE FOR REDUCING POLLUTANTS IN A GASEOUS MIXTURE
US 10.09.2020
Int.Class A61L 9/18
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS 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
9Disinfection, sterilisation or deodorisation of air
16using physical phenomena
18Radiation
Appl.No 16651443 Applicant CONSORZIO COLTECH Inventor GIOVANNI BALDI

Described is a device (1) for reducing pollutants in a gaseous mixture comprising: •a containment body (2) having an inlet portion (3) for the gaseous mixture and an outlet portion (4) for the gaseous mixture, the containment body (2) imposing on the gaseous mixture a fixed direction of flow (D), •at least one filtering unit (10) comprising a photocatalytic filter (7) interposed, along the fixed direction of flow (D), between a first light source (6a) and a second light source (6b), both having a wavelength in the visible spectrum (400-700 nm), the photocatalytic filter (7) comprising a photocatalytic nanoparticle coating and the nanoparticle coating comprising titanium dioxide doped with a nitrogen doping agent. •a unit (5) for straightening the flow before the filtering unit (10).

8.WO/2020/178205VENTILATION SYSTEM
WO 10.09.2020
Int.Class F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
Appl.No PCT/EP2020/055366 Applicant ENDHARDT, Martin Inventor ENDHARDT, Martin
The invention relates to a ventilation system (10) for at least one space (100), comprising at least one ventilation device (20) with at least one housing (30) which has a first flow duct (40) with, arranged therein, at least one fan (44) for delivering outside air into the space (100) and at least one second flow duct (50) with, arranged therein, at least one fan (54) for delivering exhaust air from the space (100), wherein at least one respective section (46; 56) of the first flow duct (40) and the second flow duct (50) runs in the region of a heat exchanger (60). In order to provide an improved ventilation system with high efficiency, maintainability and adaptability to different installation situations, it is provided according to the invention that the housing (30) of the ventilation device (20) is divided in modular fashion into at least three housing portions (31; 32; 33) by means of at least two partition walls or partition surfaces (35; 36) that are arranged essentially perpendicular to the main flow direction of the outside air and exhaust air. At least one of the fans (44; 54) is arranged, for noise minimizing purposes, on that side of the flow ducts (40; 50) that is oriented away from the space (100).
9.WO/2020/179973ENERGY-INDEPENDENT WATER-BASED PURE AIR CLEANING SYSTEM USING WATER ELECTROLYTIC-FUEL CELL
WO 10.09.2020
Int.Class H01M 8/0656
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
0606with means for production of gaseous reactants
0656by electrochemical means
Appl.No PCT/KR2019/006780 Applicant KWATERCRAFT CO., LTD. Inventor KWATERCRAFT CO., LTD.
An energy-independent water-based pure system using a water electrolytic-fuel cell is disclosed. The energy-independent water-based pure system using a water electrolytic-fuel cell proposed by the present invention comprises: a water electrolysis unit that generates hydrogen and oxygen through a water electrolysis treatment using supplied water, and supplies hydrogen gas to an energy generating unit by adjusting the pressure of the generated hydrogen gas; the energy generating unit that generates electrical energy on the basis of the hydrogen gas supplied for use as a power source for air purification; an energy storage unit that does not require a separate energy charge and supplies the generated electrical energy as power for air purification; an oxygen exhaust port for discharging the oxygen generated in the water electrolysis unit for air purification; and a humidifier that generates water vapor by spraying or evaporating the supplied water by any one of ultrasonic vibration, heating, natural evaporation, or nozzles to control the humidity in a room.
10.WO/2020/180023CLEAN AIR GENERATOR
WO 10.09.2020
Int.Class F24F 3/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
3Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
12characterised by the treatment of the air otherwise than by heating and cooling
16by purification, e.g. by filtering; by sterilisation; by ozonisation
Appl.No PCT/KR2020/002266 Applicant AIR REVERSE CO., LTD. Inventor LEE, Kun Wha
The present invention relates to a clean air generator which can perform a continuous filtering function without replacing an outdoor air filter unit performing primary filtering of air flowing in from the outside, and in which an airstone installed to be immersed in a water tank to perform secondary filtering is installed to minimize the occurrence of pollution in the water tank. That is, the present invention relates to a clean air generator comprising an outdoor air filter unit for primary filtering in the process of introducing outdoor air into an inlet pipe by an air blower, and in which secondary filtering is performed for the primary filtered air by an airstone installed to be immersed in a water tank, wherein an air knife installed inside the outdoor air filter unit and having a plurality of air nozzles is installed, the air knife is slidably installed by an operating member of the outdoor air filter unit to blow compressed air in the outdoor air direction by a compressor, after the primary filtering is performed by the outdoor air filter unit, the front end of the inlet pipe, through which outdoor air flows, is connected to a distributor installed at the upper part of the water tank, the top of an air supply pipe is connected to a distribution port of the distributor, and the airstone is connected to a bottom outlet of the air supply pipe such that the airstone is installed to be immersed in the water of the water tank in the form of being suspended at a position spaced from the bottom surface of the water tank.