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Analysis

1.20200368661SYSTEMS AND METHODS FOR PREDICTING HVAC FILTER CHANGE
US 26.11.2020
Int.Class B01D 46/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Appl.No 16994114 Applicant 3M INNOVATIVE PROPERTIES COMPANY Inventor Andrew R. Fox

Computer-implemented systems and methods for estimating a replacement status of an HVAC air filter. Outdoor weather data (e.g., outdoor temperature information), is obtained. A Total Runtime Value of the HVAC system is determined based upon the obtained outdoor weather data. Finally, a replacement status of the air filter is estimated as a function of a comparison of the Total Runtime Value with a Baseline Value. By correlating air filter replacement status with an estimated runtime of the HVAC system, a credible predictor of air filter usage is provided. By estimating fan runtime based on easily-obtained outdoor weather data, the methods are readily implemented with any existing HVAC system and do not require installation of sensors or other mechanical or electrical components to the HVAC system.

2.20200370768AIR TREATMENT DEVICE FOR A VENTILATION AIR INLET
US 26.11.2020
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 16759070 Applicant Blueair AB Inventor Johan Daniel WENNERSTRÖM

An air treatment device is provided. The air treatment device (100; 300; 400) intended to be arranged at a ventilation air inlet (160) of a room or cabin, at an air inlet or an air outlet of an air conditioning device (253), the air treatment device comprising: a casing (104; 304; 404) having an air inlet side 5 (120; 302; 402) and an air outlet side (110; 308; 408), said casing comprising an air inlet (121; 306; 406) arranged on the air inlet side and an air outlet (131; 310; 410) arranged on the air outlet side of the casing, such that air from the ventilation air inlet (160) of the room or cabin, or air to the air inlet of the air conditioning device, or air from the air outlet of the air conditioning 10 device is lead through the casing; an air treatment section (150) arranged in the casing, said air treatment section comprising: a fan (152) for generating a flow of air from the air inlet to the air outlet; and filtering means (159) arranged such that the flow of air passes through the filtering means; a first pressure sensor (200) adapted to measure a first pressure in the flow or air 15 into, or out from, the air treatment device; a second pressure sensor (210) adapted to measure a second pressure in the room or cabin surrounding the air treatment device outside the flow or air into, or out from, the air treatment device; and a control unit (250); wherein the control unit is configured to adapt the speed of the fan, based on the detected first pressure and the detected 20 second pressure, to generate a flow of air through the air treatment device corresponding to the flow of air from the ventilation air inlet to the room or cabin, or the flow of air to or from the air conditioning device.

3.102020113615Filterelement, Innenraumluftfilter, Filteranordnung und Verwendung eines Filterelements
DE 26.11.2020
Int.Class B01D 46/52
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
52Particle separators, e.g. dust precipitators, using filters embodying folded material
Appl.No 102020113615 Applicant MANN+HUMMEL GmbH Inventor Diersch Stefan

Filterelement (23) mit einem ersten und einem zweiten Faltenpack (24, 25) aus jeweils zickzackförmig gefaltetem Filtermaterial (9), und ein an Faltprofilen (26) des ersten Faltenpacks (24) und mindestens teilweise an Faltprofilen (27) des zweiten Faltenpacks (25) angebrachtes Seitenband (28), welches das erste und das zweite Faltenpack (24, 25) miteinander verbindet. Das Seitenband (28) weist ein Vliesmaterial auf oder besteht daraus. Das Seitenband (28) bildet eine Scharniereinrichtung (29) aus, bevorzugt eine Filmscharniereinrichtung (29). embedded image

4.WO/2020/232730AIR-EXCITATION-TYPE HIGH-CONCENTRATION NEGATIVE OXYGEN ION AIR BLOWER
WO 26.11.2020
Int.Class F24F 3/14
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
14by humidification; by dehumidification
Appl.No PCT/CN2019/088558 Applicant LV, Jiaping Inventor LV, Jiaping
Disclosed is an air-excitation-type high-concentration negative oxygen ion air blower, comprising an air source, a container (12), and a negative oxygen ion generator (14). The negative oxygen ion generator (14) is placed in the container (12); the negative oxygen ion generator (14) comprises a top plate (1401), side plates (1402), a bottom plate (1403) and a baffle (1406); a space enclosed by the top plate (1401), the side plates (1402) and the bottom plate (1403) forms an air storage chamber (1400); the air storage chamber (1400) is in communication with the air source; an air excitation hole (1404) is formed on the top plate (1401), the side plates (1402) or the bottom plate (1403); and the baffle (1406) and the air excitation hole (1404) are opposite each other, spaced a certain interval apart, and placed in a liquid in the container (12). Compressed air is sprayed out at a high speed from the air excitation hole of the negative oxygen ion generator and impacts the liquid and a wall face of the baffle, and high-concentration and high-activity ecological-grade small-molecule negative oxygen ions are generated to facilitate the physical health of people working and living in the environment with the negative oxygen ions.
5.20200368385PHOTOCATALYST FILTER AND AIR CONDITIONER INCLUDING THE SAME
US 26.11.2020
Int.Class A61L 9/20
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
20Ultra-violet radiation
Appl.No 16910441 Applicant SAMSUNG ELECTRONICS CO., LTD. Inventor Jee-yeon KIM

A photocatalyst filter is provided. The photocatalyst filter includes: a base in which an internal space is formed. The internal space is permeable to fluid, and a plurality of photocatalyst beads are provided in the internal space, wherein a surface of the internal space is reflective.

6.3742066AIR PURIFIER
EP 25.11.2020
Int.Class F24F 13/28
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
13Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
28Arrangement or mounting of filters
Appl.No 19176083 Applicant KONINKLIJKE PHILIPS NV Inventor ZHANG QIUSHI
An air purifier has a design which opens and closes. An expandable filter expands and compresses when the air purifier is opened and closed. A fan arrangement is used to drive ambient air though the expandable filter. This provides a design which is portable in the closed configuration and which provides effective filtering in the open configuration.
7.20200363097AIR CONDITIONER
US 19.11.2020
Int.Class F24F 13/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
13Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
20Casings or covers
Appl.No 16988088 Applicant SAMSUNG ELECTRONICS CO., LTD. Inventor Dong Yoon LEE

Disclosed herein is an air conditioner including a suction panel which includes a suction port through which air is suctioned in inside a housing. The suction panel is formed to rotate with an axial direction of an air blowing fan or a direction perpendicular to the axial direction of the air blowing fan as a rotation axis to be coupled with or separated from the housing. Accordingly, a user may easily and intuitively separate the suction panel and falling of the suction panel, which may occur when the suction panel is separated, may be effectively reduced using a supporting unit disposed at the suction panel. Also, the housing and cover members which cover an outer perimeter of a lower portion of the housing may be coupled with each other by pressurizing the cover members toward the housing, thereby allowing the user to easily coupled the cover members.

8.20200360936ELECTROSTATIC PRECIPITATING APPARATUS AND AIR CONDITIONING SYSTEM HAVING SAME
US 19.11.2020
Int.Class B03C 3/78
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION 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
CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
3Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
34Constructional details or accessories or operation thereof
74Cleaning the electrodes
78by washing
Appl.No 16856004 Applicant DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD. Inventor Jin Woon LEE

An electrostatic precipitating apparatus for an air conditioning system is disclosed. The precipitating apparatus includes an electrostatic precipitator including a plurality of discharge electrodes to which a voltage is applied and a plurality of electrostatic precipitating electrodes each disposed between the discharge electrodes and grounded, a washing water supply spraying the washing water to the electrostatic precipitator, and a frame assembly fixed to the duct to support the electrostatic precipitator. The frame assembly is fixed to the duct to support the electrostatic precipitator, and includes a prestressing locking member fixed to inside of the duct in a state in which a pressing force is applied to the electrostatic precipitator.

9.WO/2020/230986PORTABLE AIR PURIFIER
WO 19.11.2020
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/KR2020/002887 Applicant MGMC CO., LTD. Inventor LEE, Song Koo
The present invention relates to a portable air purifier which may be used while being carried and, more specifically, to a portable air purifier which has reinforced air discharge power and air suction power and thus has enhanced air purification efficiency. A portable air purifier according to the present invention comprises: a first body and a second body which have a first receiving space and a second receiving space, respectively; a first suction hole and a second suction hole which are formed through the first body and the second body, respectively; a first ventilation fan and a second ventilation fan which are disposed in the first receiving space and the second receiving space, respectively; an outlet which is formed at the inner ends of the first body and the second body and through which air blown from the first ventilation fan and air blown from the second ventilation fan are mixedly discharged; and a first guide plate and a second guide plate which are coupled to the insides of the first body and the second body, respectively, and guide, to the outlet, air blown from the first ventilation fan and the second ventilation fan.
10.WO/2020/231094CLOUD-BASED FINE DUST PURIFICATION SYSTEM AND OPERATION METHOD THEREOF
WO 19.11.2020
Int.Class F24F 11/58
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
11Control or safety arrangements
50characterised by user interfaces or communication
56Remote control
58using Internet communication
Appl.No PCT/KR2020/006081 Applicant SN CO., LTD. Inventor SONG, Soo Joon
A cloud-based fine dust purification system according to the present invention has: a fine dust purification terminal attached to outdoor units, which are installed at a plurality of points, and for purifying of fine dust by means of a filter as the outdoor units are driven; and driving apparatuses for driving the fine dust purification terminal and outdoor units. On the basis of the stopped state of cooling and heating devices at the plurality of points, the driving apparatuses of the plurality of points are selected and are controlled such that the fine dust purification terminal and outdoor units are driven.