CN105841228A - Air purifier achieving circular ventilation and one-way air exhaust - Google Patents
Air purifier achieving circular ventilation and one-way air exhaust Download PDFInfo
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- CN105841228A CN105841228A CN201610176242.5A CN201610176242A CN105841228A CN 105841228 A CN105841228 A CN 105841228A CN 201610176242 A CN201610176242 A CN 201610176242A CN 105841228 A CN105841228 A CN 105841228A
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- air
- air purifier
- entrance
- shutter
- purifier body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an air purifier achieving circular ventilation and one-way air exhaust. The air purifier achieving circular ventilation and one-way air exhaust comprises an open-type air purifier body. The air purifier body is provided with an openable door. An air outlet is formed in the upper end of the air purifier body. Second inlets are formed in the two sides and the bottom of the air purifier body. A filter assembly is arranged in the air purifier body. An additional filter is arranged at the upper end of the filter assembly. The air outlet is formed in the door, a fan is arranged in the middle of the air outlet, and the fan comprises a motor. Blades are arranged at the end of a rotary shaft of the motor. A control panel is arranged on the outer side of the door. The air purifier can be installed on an outer wall or a window frame to feed air sucked from outside into a room after purifying the air, so that the oxygen content of the air in the room is maintained; an outside air inlet can also be closed, and then the air in the room can be sucked into the air purifier, purified, filtered and then fed into the room again, so that the air in the room has constant temperature and humidity, and the air purifier can operate in different ways by obtaining the indoor temperature and humidity and the oxygen content through a sensor.
Description
Technical field
The present invention relates to the air purifier of a kind of air purifier technical field, especially cyclical breathing and one-way exhaust.
Background technology
In recent years, air pollution level sharply increases, and which results in some health risks, for reducing time movable in contaminated air ambient and chance, air purifier is an a kind of system for crossing air filtering, and these systems can be divided into portable and fixed system.
General air purifier comprises a filter assemblies and fan, fan draws air into filter assemblies, and thus purifying air, portable air purifier generally recirculates and crosses air filtering and there are indoor, but such air purifier lacks the air function filtered from outdoor entrance.
nullFixing air cleaning system makes outdoor air be filtered before entering indoor，The system of these types is rich in oxygen and imports suitable purification and filtration after outdoor air enters，But，These systems need existing sliding window，The front preparation of the installation of wall or other structure，And filtration, purification after the air intake filter device that the fan in air purifier is outdoor，But the filter of all of air purifier has a physical life，Effective air filtration and clean-up effect just can be played after needing recycling replacing，In traditional air-purifier designs，The backside openings grid that filter replacement need to open air purifier is the most replaceable，But，It is arranged on the sliding window air purifier of high-lager building，It is difficult to change filter from the air purifier back side，And in this height operation also danger close，In addition，Such air purifier may need extra air conditioning system，In the case of temperature needed for maintaining，Outdoor air is warmer or nice and cool than indoor environment，Thus the energy cost increased.
Summary of the invention
nullIt is an object of the invention to overcome above-mentioned the deficiencies in the prior art，The air purifier of a kind of cyclical breathing and one-way exhaust is provided，Including air purifier body，Told air purifier body is open-type，If the door that can open，Upper end sets out air port，Both sides and bottom are all provided with the second entrance，Inside set filter assemblies，Filter assemblies upper end sets additional filter，Air port is set out in Men，Fan is set in the middle of air outlet，Fan comprises motor，Electric machine rotational axis end sets fan blade，Outer side of door sets panel，The present invention can be arranged on exterior wall or window frame，Indoor are sent into after outside is sucked air cleaning，The air making indoor keeps oxygen content，Also outside air inlet can be closed，Indoor air is sucked after after-purification is filtered and is re-fed into indoor，The air making indoor keeps stationary temperature and humidity，And flutter with sensor and to catch the temperature humidity of indoor and oxygen content is run automatically in different ways.
For reaching above-mentioned purpose, the present invention provides the air purifier of a kind of cyclical breathing and one-way exhaust, including air purifier body, told air purifier body is open-type, if the door that can open, upper end sets out air port, both sides and bottom are all provided with the second entrance, inside setting filter assemblies, told filter assemblies upper end sets additional filter, sets out air port in told door, fan is set in the middle of told air outlet, told fan comprises motor, and told electric machine rotational axis end sets fan blade, and outer side of door sets panel.
Arrange further, described air purifier body includes the additional filter being positioned at air outlet slit, described first side includes the air outlet slit sucking air from described second side, and described second side is included in the first entrance of the Part I of the second side and the second entrance of the Part II in the second side.
Arrange further, described Part II is between Part I and filter assemblies, described second entrance is between described first entrance and filter assemblies, described first entrance includes can be from being positioned in the shutter of outdoor suction air, and described second entrance includes the shutter that can suck air in room；First entrance includes can be from being positioned in outside and can suck the shutter of air, and described second entrance includes the shutter that can suck in room；Described air purifier body also includes several sensors, and to detect the microgranule pollution in room, the shutter of described first entrance and the shutter of the second entrance arrange several sensors.
Arranging further, described fan is a centrifugal fan.
Arranging further, the opening ways of described door is horizontal opening mode, upper and lower rotation mode, sliding type.
Arranging further, described air purifier body also includes the oxygen level indicator being provided with display lamp, to monitor the oxygen level of these indoor, and can preset the alarm range of oxygen content.
Arranging further, described air purifier body includes humidity sensor, for monitoring the humidity in room, and can preset the alarm range of moisture content.
The invention has the beneficial effects as follows: the present invention can be arranged on exterior wall or window frame, indoor are sent into after outside is sucked air cleaning, the air making indoor keeps oxygen content, also outside air inlet can be closed, indoor air is sucked after after-purification is filtered and is re-fed into indoor, the air making indoor keeps stationary temperature and humidity, and flutters with sensor and catch the temperature humidity of indoor and oxygen content is run automatically in different ways.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the fan scheme of installation of Fig. 1；
Fig. 3 is the schematic diagram after Fig. 1 door is opened；
Fig. 4 is the cross-ventilation schematic diagram of the fan of Fig. 2；
Fig. 5 is the isometric view of Fig. 3；
Fig. 6 is the isometric view of Fig. 5；
Fig. 7 is the isometric view of Fig. 6；
Fig. 8 is the isometric view of Fig. 6；
Fig. 9 is the indoor view after Fig. 1 installs；
Figure 10 is the schematic diagram of Fig. 9；
Outdoor view after Figure 11 bitmap 1 installation.
In figure: air purifier body 102, the 106, first side 108, window frame the 104, second side, filter assemblies 110, motor 112, door the 114, first entrance 116, shutter 118, fan blade 120, fan 122, air trajectory arrow 124, additional filter 126, Part I 128, Part II the 130, second entrance 132, sliding window 200, controlling organization 502.
Detailed description of the invention
nullAs shown in Fig. 1～Figure 11: technical scheme is described in further detail，Cyclical breathing and the air purifier of one-way exhaust，Including air purifier body 102，Told air purifier body 102 is open-type，If the door 114 that can open，Upper end sets shutter 118，Both sides and bottom are all provided with the second entrance 132，Inside set filter assemblies 110，Told filter assemblies 110 upper end sets additional filter 126，Shutter 118 is set in told door 114，Fan 122 is set in the middle of told shutter 118，Told fan 122 comprises motor 112，Told motor 112 rotates axle head and sets fan blade 120，Controlling organization 502 is set outside door 114，The present invention can be arranged on exterior wall or window frame，Indoor are sent into after outside is sucked air cleaning，The air making indoor keeps oxygen content，Also outside air inlet can be closed，Indoor air is sucked after after-purification is filtered and is re-fed into indoor，The air making indoor keeps stationary temperature and humidity，And flutter with sensor and to catch the temperature humidity of indoor and oxygen content is run automatically in different ways.
Described air purifier body 102 includes the additional filter 126 being positioned at air outlet slit, described first side 108 includes the air outlet slit sucking air from described second side 106, and described second side 106 is included in the first entrance 116 of the Part I 128 of the second side 106 and the second entrance 132 of the Part II 130 in the second side 106.
Described Part II 130 is between Part I 128 and filter assemblies 126, described second entrance 132 is between described first entrance 116 and filter assemblies 126, described first entrance 116 includes can be from being positioned in the shutter 118 of outdoor suction air, and described second entrance 132 includes the shutter 118 that can suck air in room；Described first entrance 116 includes can be from being positioned in outside and can suck the shutter 118 of air, and described second entrance includes the shutter 118 that can suck in room；Described air purifier body 102 also includes several sensors, and to detect the microgranule pollution in room, the shutter 118 of described first entrance 116 and the shutter 118 of the second entrance 132 arrange several sensors.
Described fan 122 is a centrifugal fan.
The opening ways of described door 114 is horizontal opening mode, upper and lower rotation mode, sliding type.
Described air purifier body 102 also includes the oxygen level indicator being provided with display lamp, to monitor the oxygen level of these indoor, and can preset the alarm range of oxygen content.
Described air purifier body 102 includes humidity sensor, for monitoring the humidity in room, and can preset the alarm range of moisture content.
Case study on implementation:
In the present embodiment, described air purifier body 102 may be mounted at window frame 104 or exterior wall, including filter assemblies 110, it is provided with the door 114 that can open in the first side 108 of filter assemblies 110, door 114 is provided with fan 122,122 outdoor airs of fan enter in air purifier body 102 from the first entrance 116 of the second side 106 being exposed to outdoor, and after filter assemblies 110 purification filtering, indoor sent into by the shutter 118 in the middle of shutter 118 from upper end and door 114；When needing indoor air circulation to purify, first entrance 116 is closed, the fan 122 second entrance 132 from first side 108 at filter assemblies 110 two ends sucks room air, and after filter assemblies 110 purification filtering, indoor sent into by the shutter 118 in the middle of shutter 118 from upper end and door 114.
In the present embodiment, as shown in figure 11: described air purifier body 102 is arranged on exterior wall, it is fixed to a window frame 104, and by being fixed on the wall of building in known method, air purifier body 102 can be contained in window frame 104, and sliding window 200 can slide to open.
In the present embodiment, as shown in Figure 2: be fan 122 scheme of installation of air purifier body 102, Fig. 3 is the isometric view of air purifier body 102 in Fig. 2, as shown in Figure 2, air purifier body 102 includes filter assemblies 110, door 114, fan 122 is connected with the motor 112 being attached to door 114, first entrance 116 is provided with BAIYE and equipped with shutter the second entrance 132, door 114 is arranged on the first side 108 relative to filter assemblies 110 second side 106, and described first side 108 includes the first entrance 116 and the second entrance 132.
nullIn the present embodiment，Described second side 106 comprises Part I 128 and Part II 130，Second side 106 of air purifier body 102 can include the first entrance 116，The first entrance 116 that outdoor air enters in air purifier body 102 can be located at the second side 106 with the Part I 128 being exposed to outside air，The Part II 130 of the second side 106 can include the second entrance 132，To allow room air to enter in air purifier body 102，Air purifier body 102 is fixed in window frame 104，First side 108 can also be towards indoor in the face of indoor and Part II 130 the second side 106，In addition，Part I 128 can be towards the outdoor of building，Air purifier body 102 can limit air outlet slit 118 further in the first side 108，Second side 106 of at least one from Part I 128 or Part II 130 of air enters，And export 118 (using air trajectory arrow 124 to represent) from the first side 108 by air outlet slit.
In the present embodiment, described air purifier body 102 can be fixed to window frame 104 (with reference to Figure 11), make outside the first entrance 116 can be with faced chamber, with in door 114 faced chamber, filter assemblies 110 can be in the middle of the first entrance 116 and fan 122, such as, for motor 112, filter assemblies 110 is close to the first entrance 116.
In the present embodiment, described fan 122 is fixed with door 114, including motor 112 and multiple blade 120, fan 122 one or more modes can be fixed to door, as used securing member, utilizing binding agent and be slidably connected (horizontally or vertically) with slot mode and door 114.
In the present embodiment, as shown in Fig. 3,5,6 and 7, door 114 can be configured to open-type and rotary, first side 108 of described air purifier body 102 can set vertical axis, and be connected with the single side of door 114, also trunnion axis can be set in the first side 108 of air purifier body 102, and be connected with upper side edge or the lower side of door 114, door 114 can open and close by sliding types, and door 114 can add other auxiliary accessories horizontal direction relative to the first side 108 of air purifier body 102 or vertical direction is opened.
In the present embodiment, the more transducing of described filter assemblies 110 is here carried out from the door 114 opened, and substitute mode is simple and safety, work high above the ground when also avoiding maintainer to change.
nullIn the present embodiment，Described fan 122 is centrifugal，Second entrance 132 is equipped with BAIYE，Can be in the Part II 130 in air purifier body 102，Second entrance 132 can be defined within the air outlet slit 118 of Part II 130，Second entrance 132 position of the two sides of air purifier body 102 is limited to the radial direction around blade 120，Air outlet slit 118 can either side in air purifier body 102，The definition that first side 108 of blade 120 rotates is that fan 122 can create negative pressure from the second side，Thus air is entered from the second side 106 (first entrance 116 and/or the second entrance 132)，Air after filter module 110 filtration is to the first side 108，Indoor can also be directed to by air outlet slit 118 (as shown in Fig. 9)，In another embodiment，Second entrance 132 can limit in the either side of air purifier body 102.
In the present embodiment, in Fig. 4, air purifier body 102 is equipped with shutter, second entrance 132 can comprise by the Part II 130 in air purifier body 102, described second entrance 132 is in a side of air purifier body 102, described fan 122 is an axial flow blower, fan 122 axial direction is towards the second side 106, including the air outlet slit 118 in the door 114 to the first side 108 axial flow blower 122 of the first entrance 116 and/or the air of the second entrance 132 guiding, air sends into indoor along the axis direction of fan 122 simultaneously.
In the present embodiment, in Fig. 6, the additional filter 126 of air outlet slit 118, additional filter 126 can leave the purification air that takes a step forward of outlet 118 at the air after filtration, purification.
In the present embodiment, Fig. 8 is the isometric view of air purifier body 102 in Fig. 6, Fig. 6, second entrance 132 therein extends to the first side 108 of air purifier body 102 from the second side 106, in the present embodiment, the extension of the second entrance 132 is limited to the bottom of the first side 108, draw room air from the first side 108 and enter in air purifier body 102, second side 106 can be closed, and the extension 132 of described second entrance can limit by any part of the first side 108 of air purifier body 102.
In the present embodiment, Fig. 9 and 10 is the indoor view after air purifier body 102 is installed, air purifier body 102 also includes such as controlling organization 502 shown in the figure, controlling organization 502 uses one or more button or equivalent manner known in the art to operate, the control operation performed by controlling organization 502 can include one or more instruction being switched on and off air filtering system, adjust the speed of described fan, intervalometer is turned on and off, open, close air filtering system, fault detector etc., as shown in Figure 5, air outlet slit 118 can be provided with shutter 118.
In the present embodiment, air purifier body 102 can also include sensor, to detect the state of gas, and determines the running of filter assemblies 110.
In the implementation case, oxygen level in one room of oxygen level indicator monitoring that air purifier body 102 can include, if the oxygen content in room is outside the scope of regulation, air purifier body 102 can close the second entrance 132, opens 116 outdoor airs of the first entrance and sucks.
In the implementation case, air purifier body 102 can include that a humidity sensor carrys out monitoring room humidity, when the humidity of this chamber interior is outside preset range, air purifier body 102 can be with the shutter 118/ of this second entrance 132 of close/open or the first entrance 116, with the humidity being maintained within a predetermined range.
In the implementation case, air purifier body 102 can include sensor, with the particle contamination in detection room, if it is determined that the internal air polluted for microgranule, air purifier body 102 closes the shutter of the first entrance 116, open the shutter of the second entrance 132, open fan 122 and suck room air entrance filter assemblies 110, purify the air of a room.
In the implementation case, if a sensor senses that microgranule pollute room in, even if it is judged as oxygen content and time humidity level is in predetermined scope, air purifier can close the shutter of the first entrance 116, open the shutter of the second entrance 132, unlatching fan 122 sucks room air entrance filter assemblies 110 and filters, re-circulation purifies the air of a room, keep room temperature, without air-conditioning heating, such mode is energy-conservation, and the life-span of filter assemblies 110 can be extended, it is also applied under the state that outdoor air is highly contaminated (such as haze).
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, and in this document, the use of term "a" or "an", as common in patent document, including one or more.In this document; term "or" is used for referring to nonexclusive "or"; " A or B " is made to include " A rather than B ", " B but non-A " and " A and B ", except as otherwise noted; any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention, and wording used herein or term are for purposes of description; rather than limit, above description contains many specifications；These scopes that should not be construed as limiting the invention, and be only to provide the explanation of the preferred embodiment in person of some present invention, therefore, the scope of the present invention should determine by claims and legal equivalents thereof rather than by the example be given.
Claims (7)
1. cyclical breathing and the air purifier of one-way exhaust, it is characterised in that: include air purifier body
(102), the second side (106), the first side (108), filter assemblies (110), motor (112), door (114),
First entrance (116), shutter (118), fan blade (120), fan (122), air trajectory arrow (124),
Additional filter (126), Part I (128), Part II (130), the second entrance (132), control machine
Structure (502), told air purifier body (102) is open-type, if the door (114) that can open, upper end sets hundred
Leaf window (118), both sides and bottom are all provided with the second entrance (132), inside set filter assemblies (110), told filtration
Device assembly (110) upper end sets additional filter (126), sets shutter (118), told hundred in told door (114)
Setting fan (122) in the middle of leaf window (118), told fan (122) comprises motor (112), and told motor (112) revolves
Rotating shaft end sets fan blade (120), and described door (114) outside sets controlling organization (502).
2. cyclical breathing as claimed in claim 1 and the air purifier of one-way exhaust, it is characterised in that: institute
State air purifier body (102) and include being positioned at the additional filter (126) of air outlet slit, described first side
(108) including the air outlet slit sucking air from described second side (106), described second side (106) is included in the
First entrance (116) of the Part I (128) of two sides (106) and the Part II (130) in the second side (106)
The second entrance (132).
3. cyclical breathing as claimed in claim 2 and the air purifier of one-way exhaust, it is characterised in that: institute
Stating Part II (130) is between Part I (128) and filter assemblies (126), described second entrance
(132) being positioned between described first entrance (116) and filter assemblies (126), described first entrance (116) is wrapped
Including can be from being positioned in the shutter (118) of outdoor suction air, and described second entrance (132) includes can be from room
The interior shutter (118) sucking air；
3.1, (116 include can be from the shutter being positioned in outside and sucking air for described first entrance
(118), described second entrance includes the shutter (118) that can suck in room；
3.2, described air purifier body (102) also includes several sensors, micro-with detect in room
Grain pollutes, and the shutter (118) of described first entrance (116) and the shutter (118) of the second entrance (132) set
Put several sensors.
4. cyclical breathing as claimed in claim 1 and the air purifier of one-way exhaust, it is characterised in that: institute
Stating fan (122) is a centrifugal fan.
5. cyclical breathing as claimed in claim 1 and the air purifier of one-way exhaust, it is characterised in that: institute
The opening ways stating door (114) is horizontal opening mode, upper and lower rotation mode, sliding type.
6. cyclical breathing as claimed in claim 1 and the air purifier of one-way exhaust, it is characterised in that: institute
State air purifier body (102) and also include being provided with the oxygen level indicator of display lamp, to monitor the oxygen of these indoor
Air water is put down, and can preset the alarm range of oxygen content.
7. cyclical breathing as claimed in claim 1 and the air purifier of one-way exhaust, it is characterised in that: institute
State air purifier body (102) and include humidity sensor, for monitoring the humidity in room, and can preset wet
The alarm range of degree content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176242.5A CN105841228A (en) | 2016-03-24 | 2016-03-24 | Air purifier achieving circular ventilation and one-way air exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176242.5A CN105841228A (en) | 2016-03-24 | 2016-03-24 | Air purifier achieving circular ventilation and one-way air exhaust |
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| Publication Number | Publication Date |
|---|---|
| CN105841228A true CN105841228A (en) | 2016-08-10 |
Family
ID=56583307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176242.5A Pending CN105841228A (en) | 2016-03-24 | 2016-03-24 | Air purifier achieving circular ventilation and one-way air exhaust |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520062A (en) * | 2018-11-14 | 2019-03-26 | 童浩峥 | A kind of green building ventilation energy-saving equipment |
| CN110812969A (en) * | 2018-08-09 | 2020-02-21 | 陈建荣 | Air cleaning system |
| CN112325425A (en) * | 2020-10-23 | 2021-02-05 | 北京泰和永顺房地产经纪有限公司 | Indoor air odor removing equipment |
| US20210387125A1 (en) * | 2019-03-12 | 2021-12-16 | Bissell Inc. | Air purifier in a furniture article |
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Application publication date: 20160810 |