CN105864911A - Air purifier - Google Patents
Air purifier Download PDFInfo
- Publication number
- CN105864911A CN105864911A CN201610265932.8A CN201610265932A CN105864911A CN 105864911 A CN105864911 A CN 105864911A CN 201610265932 A CN201610265932 A CN 201610265932A CN 105864911 A CN105864911 A CN 105864911A
- Authority
- CN
- China
- Prior art keywords
- air
- casing
- air exhauster
- purifier
- top cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- 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
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F8/108—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 using dry filter elements
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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
- F24F8/117—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 using wet filtering
-
- 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
- F24F8/15—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 by chemical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an air purifier. The air purifier can achieve quick air inflow and air outflow, and meanwhile a filtering assembly of the purifier can conduct filtering and cleaning, sterilization and wetting treatment on air in a machine shell. According to the air purifier, a first exhaust fan is mounted at an air inlet, a second exhaust fan is mounted on an air outlet, quick air inflow and air outflow can be achieved, and the efficiency of the purifier is improved; the filtering assembly comprises an active carbon filter, silver ion filters and an atomizer, the active carbon filter can adsorb dust and gas polluted by the dust, and the silver ion filters can conduct sterilization treatment on the air; the sterilization effect of the silver ion filters arranged in a multi-layer manner is good, and sterilization is quite thorough; and water mist sprayed by the atomizer can wet the filtered air, so that the air filtered through the filtering assembly is suitable for being inhaled by people.
Description
Technical field
The present invention relates to a kind of household electrical appliance, especially a kind of air purifier.
Background technology
Along with the fast development of China's industry, at present, the air quality in most of city of China is relatively poor,
Air pollution is more serious, often has haze weather.The living standard of people now gradually improves, Ren Menkai
Beginning to be concerned about living environment at one's side, the especially concern to IAQ (indoor air quality) is more and more higher, it is appreciated that improve sky
Makings amount is the guarantee of healthy body, is used for various air purifier and changes the air quality of indoor.
But the function of current air purifier and simple in construction, be then exhausted from after all being filtered by blower fan convulsion, Qi Zhongzhu
Filtering during the link wanted, the efficiency of existing traditional defecator is slow, when running into the oarse-grained float of high concentration
Air inlet is capped, and affects clean-up effect.
In order to solve the problems referred to above that prior art exists, those skilled in the art are also exploring and are attempting,
As the Chinese patent literature of Application No. 201510749623.3 discloses a kind of air purifier, can realize big
Air quantity and high purifying rate.Disclosed in this patent of invention, air inlet is below casing, and this air purifier is in convulsion
Time, the wind of air inlet can ground oarse-grained dust granule or foreign material roll up miscellaneous enter depurator air channel in
Between, air channel is provided with honeycomb duct, so can produce bigger noise pollution in honeycomb duct.Due to this air
Depurator is arranged on indoor, for family uses, has a certain impact.This air purifier only sets simultaneously
It is equipped with a blower fan, substantial amounts of wind can be sucked during convulsion, but one can be lost while being passed up filtering
The wind energy divided.The air outlet of this air purifier is hidden in casing top wall circumference, when outside air draft, and air outlet
In wind can be stopped by casing roof, it may appear that air draft difficulty or the low phenomenon of ventilation efficiency, and the wind discharged do not has
Having enough wind-force to spread to periphery, the using effect causing this air purifier is the best.
Summary of the invention
It is an object of the invention to provide a kind of air purifier, can realize quick air intake and air-out, meanwhile,
The filter assemblies of depurator can carry out filter cleaning, sterilizes and moisten process the air in casing.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of air purifier, including
There are casing, bottom of shell that pedestal is installed, between described bottom of shell and pedestal, are provided with air inlet, described machine
The bottom of shell is provided with screen pack；The inside of described casing is provided with the first air exhauster support, described first convulsion
Machine support is arranged above the first air exhauster, is provided with the first fan blade below described first air exhauster support,
Described first fan blade is near screen pack；At filter assemblies in described casing, described filter assemblies includes
The silver ion filter of active carbon filter, multilamellar setting and the nebulizer of close cabinet top；The top of casing
Being provided with the top cover with air outlet, be provided with the second air exhauster support in described top cover, described second air exhauster props up
Being provided with the second air exhauster below frame, described second air exhauster support is arranged above the second air exhauster.
Further having, the end face of described top cover peripherally has groove surface, and described air outlet includes some
The passage being positioned on groove surface.
Further having, described groove surface is towards the inclined plane of periphery inclined downward from the end face of top cover.
Further having, described screen pack is downward-sloping towards casing center from the periphery of casing.
Further having, described pedestal includes connection post and the base plate being connected with casing, and described base plate is from periphery
It is inclined upwardly towards center.
Further having, the silver ion filter of described Multi-layers distributing intersects and is obliquely installed upward.
Further having, the end face of described top cover is provided with operation digital display panel.
Compared with prior art, beneficial effects of the present invention:
The air inlet of the present invention is between bottom of shell and pedestal, and wherein, casing is provided with filtration in bottom
Web plate, operationally, the air of air exhauster extraction air inlet, screen pack may filter that oarse-grained air exhauster
Dust enters in casing.Ensure the smooth convulsion of convulsion function, in casing, also will not produce bigger noise simultaneously.
Offer air outlet on the top cover of the present invention, be provided with the second air exhauster support in top cover, on the second air exhauster support
Second air exhauster and the second fan blade of the second air exhauster drive are installed, when the second air exhauster drives the second wind
When machine blade rotates, the second air exhauster accelerates the air taken out by the first air exhauster in casing outwards to extract out, carries
The efficiency of high air purifier.
The filter assemblies of the present invention includes active carbon filter, silver ion filter and nebulizer, activated carbon
The adsorbable dust of filter and dusty gas thereof, the air of the first air exhauster extraction all to filter through activated carbon
Device filters, it is ensured that the air after air purifier is the air of cleaning.Again through silver ion filter
Filtering, this silver ion filter is provided with multilamellar, and intersects and tilt upward distribution, in facilitating casing
The bottom-up air draft of wind, silver ion filter can carry out sterilization processing to air, and the silver ion that multilamellar is arranged filters
The bactericidal effect of device is preferable, and sterilization ratio is more thoroughly.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, in describing below
Accompanying drawing is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
On the premise of property is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the structural representation of the casing of the present invention；
Fig. 3 is the decomposing schematic representation of the present invention；
Wherein: 1. casing, 2. pedestal, 21. connect posts, 22. base plates, 3. air inlet, 4. screen pack, 5. the
One air exhauster support, 6. the first air exhauster, 7. the first fan blade, 8. active carbon filter, 9. silver ion filter
Device, 10. nebulizer, 11. air outlets, 12. top covers, 13. second air exhauster supports, 14. second air exhausters, 15.
Second fan blade, 16. groove surfaces, 17. operation digital display panels.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than complete
The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of air purifier, include casing 1, pacify bottom casing 1
Equipped with pedestal 2, bottom described casing 1 and be air inlet 3 between pedestal 2, the bottom of described casing 1 is installed
Screen pack 4, the side bottom casing 1 is had to offer power hole；The inside of described casing 1 is provided with first and takes out
Fan supporter 5, described first air exhauster support 5 is arranged above the first air exhauster 6, described first air exhauster
Being provided with the first fan blade 7 below support 5, described first fan blade 7 is near screen pack 4；Described
At filter assemblies in casing 1, the silver ion that described filter assemblies includes active carbon filter 8, multilamellar is arranged
Filter 9 and the nebulizer 10 near casing 1 top；The top of casing 1 is provided with air outlet 11
Top cover 12, the end face of top cover 12 is provided with operation digital display panel 17；It is provided with the second convulsion in described top cover 12
Machine support 13, is provided with the second air exhauster 14, described second air exhauster below described second air exhauster support 13
Support 13 is arranged above the second fan blade 15.
The screen pack 4 of the present embodiment is downward-sloping towards the center of casing 1 from the periphery of casing 1.At sky
During gas purifier work, the first air exhauster 6 drives the first fan blade 7 to rotate the wind being drawn at air port 3,
Owing to screen pack 4 is downward-sloping towards center from periphery, air intake, the wind of 3 can be tilted into casing 1
In, the first air exhauster 6 convulsion is more smooth and easy, and the resistance of screen pack 4 is the most relatively small.
The pedestal 2 of the present embodiment includes connection post 21 and the base plate 22 being connected with casing 1, described base plate 22
It is inclined upwardly towards center from periphery.When facilitating the first air exhauster 6 convulsion, wind energy at air inlet 3 is taken advantage of a situation inclination
Entrance casing 1 in, the air suction efficiency of the first air exhauster 6 can be properly increased.
The silver ion filter 9 that the filter assemblies of the present embodiment includes active carbon filter 8, multilamellar is arranged
With the nebulizer 10 near casing 1 top.The adsorbable dust of active carbon filter 8 and dusty gas thereof, the
The air of one air exhauster 6 extraction all to filter through active carbon filter 8, it is ensured that through air cleaning
Air after device is the air of cleaning.Filter through silver ion filter 9 again, this silver ion filter 9
It is provided with multilamellar, and intersects and tilt upward distribution, facilitate the bottom-up air draft of the wind in casing 1, silver ion
Filter 9 can carry out sterilization processing to air, and the bactericidal effect of the silver ion filter 9 that multilamellar is arranged is preferable,
Sterilization ratio is more thoroughly.Being positioned at the nebulizer 10 at casing 1 top, the water smoke of the inner ejection of nebulizer 10 is along with filtration
The aseptic air that cleans discharges together, and the water smoke in nebulizer 10 can increase the humidity of air filtering,
The air so discharged from air purifier is directly available for people and breathes, and will not produce any discomfort to people.
Offer air outlet 11 on the top cover 12 of the present invention, in top cover 12, be provided with the second air exhauster support 13,
Second air exhauster 14 and the second blower fan driven by the second air exhauster 14 are installed on second air exhauster support 13
Blade 15, when the second air exhauster 14 drives the second fan blade 15 to rotate, the second air exhauster 14 casing
The air taken out by the first air exhauster 6 in 1 accelerates outwards to extract out, improves the efficiency of air purifier.
The air outlet 11 of the present invention is positioned on the groove surface 16 that on top cover 12, surrounding has, and air outlet 11 wraps
Include some little passages, so facilitate the air in air outlet 11 to discharge gently.Wherein, groove surface 16 is
From the end face of top cover 12 towards the inclined plane of peritropous inclined downward, the some little passage of air outlet 11 is positioned at
On the groove surface 16 tilted, so facilitate air in air outlet 11 to discharge to surrounding, and discharge is very fast.
The air inlet 3 of the present invention is bottom casing 1 and between pedestal 2, and wherein, casing 1 is pacified in bottom
Equipped with screen pack 4, operationally, the first air exhauster 6 is drawn into the air at air port 3 to the first air exhauster 6,
Screen pack 4 may filter that oarse-grained dust is subsequently in casing 1.Ensure that the first air exhauster 6 can be smoothly
Convulsion, also will not produce bigger noise in casing 1 simultaneously.
The screen pack 4 of the present invention is downward-sloping towards the center of casing 1 from the periphery of casing 1, meanwhile,
The base plate 22 of pedestal 2 is inclined upwardly towards center from periphery, such screen pack 4 and the base plate 22 of pedestal 2
Between air inlet 3 from center outwards in enlarged shape, it is simple to the first air exhauster 6 convenient extraction wind, convulsion
Efficiency is higher.
The implementation process of the present invention, starts air purifier, and the first air exhauster 6 drives the first fan blade 7
Rotation carries out convulsion at air inlet 3, owing to bottom casing 1, screen pack 4 dips down towards center from periphery
Oblique and pedestal 2 base plate 22 peripherally arrives center and is inclined upwardly, the base plate 22 of screen pack 4 and pedestal 2
Between air inlet 3 in wind can smooth and easy enter in casing 1, the first air exhauster 6 air is bottom-up to be taken out
Send；At this moment the second air exhauster 14 also drives the second fan blade 15 to rotate, and outwards takes out bottom-up air
Send.Air carries out remove impurity through active carbon filter 8 and silver ion filter 9, cleans and kill in casing 1
Bacterium processes, and then nebulizer 10 sprays fog, and fog discharges with the air filtering of crossing risen.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.
Claims (5)
1. an air purifier, includes casing (1), is provided with pedestal (2) in casing (1) bottom,
It is provided with air inlet (3), the bottom of described casing (1) between described casing (1) bottom and pedestal (2)
Screen pack (4) is installed；The inside of described casing (1) is provided with the first air exhauster support (5), and described
One air exhauster support (5) is arranged above the first air exhauster (6), described first air exhauster support (5) lower section
Being provided with the first fan blade (7), described first fan blade (7) is near screen pack (4)；Described machine
Being provided with filter assemblies in shell (1), described filter assemblies includes active carbon filter (8), multilamellar is arranged
Silver ion filter (9) and near the nebulizer (10) at casing (1) top；The top peace of casing (1)
Equipped with the top cover (12) with air outlet (11), in described top cover (12), it is provided with the second air exhauster support (13),
Described second air exhauster support (13) lower section is provided with the second air exhauster (14), described second air exhauster support
(13) the second fan blade (15), the described screen pack (4) periphery from casing (1) it are arranged above
Downward-sloping towards the center of casing (1), the end face of described top cover (12) is provided with operation digital display panel (17).
A kind of air purifier the most according to claim 1, it is characterised in that: described top cover (12)
End face peripherally have groove surface (16), described air outlet (11) includes and some is positioned at groove surface (16)
On passage.
A kind of air purifier the most according to claim 2, it is characterised in that: described groove surface (16)
For from the end face of top cover (12) towards the inclined plane of peritropous inclined downward.
A kind of air purifier the most according to any one of claim 1 to 3, it is characterised in that: institute
State connection post (21) and base plate (22) that pedestal (2) includes being connected, described base plate (22) with casing (1)
It is inclined upwardly towards center from periphery.
A kind of air purifier the most according to any one of claim 1 to 3, it is characterised in that: institute
State the silver ion filter (9) of Multi-layers distributing to intersect and be obliquely installed upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265932.8A CN105864911B (en) | 2016-04-26 | 2016-04-26 | A kind of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265932.8A CN105864911B (en) | 2016-04-26 | 2016-04-26 | A kind of air purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864911A true CN105864911A (en) | 2016-08-17 |
| CN105864911B CN105864911B (en) | 2019-07-02 |
Family
ID=56629066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265932.8A Active CN105864911B (en) | 2016-04-26 | 2016-04-26 | A kind of air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864911B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633748A (en) * | 2018-06-26 | 2018-10-12 | 广东益康生环保设备有限公司 | Breeding house end foul smell prevention and control system and method |
| CN108826443A (en) * | 2018-03-19 | 2018-11-16 | 金华市鸿讯机械工程技术有限公司 | Energy-efficient air cleaning unit |
| CN110513805A (en) * | 2019-09-17 | 2019-11-29 | 谭孟茜 | Indoor air humidifier |
| IT202000020290A1 (en) * | 2020-08-20 | 2022-02-20 | Giuseppe Librizzi | DEVICE FOR PURIFICATION OF ROOM AIR |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358443A (en) * | 1993-04-14 | 1994-10-25 | Centercore, Inc. | Dual fan hepa filtration system |
| CN104279642A (en) * | 2014-09-24 | 2015-01-14 | 太仓市大友空调设备有限公司 | Efficient air purifying structure |
| CN104329734A (en) * | 2014-09-18 | 2015-02-04 | 青岛海尔空调器有限总公司 | Air treatment system |
| CN104456772A (en) * | 2014-10-29 | 2015-03-25 | 小米科技有限责任公司 | Air purifier |
| CN105465902A (en) * | 2015-12-29 | 2016-04-06 | 太仓弘杉环保科技有限公司 | Novel indoor air purifier |
-
2016
- 2016-04-26 CN CN201610265932.8A patent/CN105864911B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358443A (en) * | 1993-04-14 | 1994-10-25 | Centercore, Inc. | Dual fan hepa filtration system |
| CN104329734A (en) * | 2014-09-18 | 2015-02-04 | 青岛海尔空调器有限总公司 | Air treatment system |
| CN104279642A (en) * | 2014-09-24 | 2015-01-14 | 太仓市大友空调设备有限公司 | Efficient air purifying structure |
| CN104456772A (en) * | 2014-10-29 | 2015-03-25 | 小米科技有限责任公司 | Air purifier |
| CN105465902A (en) * | 2015-12-29 | 2016-04-06 | 太仓弘杉环保科技有限公司 | Novel indoor air purifier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826443A (en) * | 2018-03-19 | 2018-11-16 | 金华市鸿讯机械工程技术有限公司 | Energy-efficient air cleaning unit |
| CN108633748A (en) * | 2018-06-26 | 2018-10-12 | 广东益康生环保设备有限公司 | Breeding house end foul smell prevention and control system and method |
| CN110513805A (en) * | 2019-09-17 | 2019-11-29 | 谭孟茜 | Indoor air humidifier |
| IT202000020290A1 (en) * | 2020-08-20 | 2022-02-20 | Giuseppe Librizzi | DEVICE FOR PURIFICATION OF ROOM AIR |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105864911B (en) | 2019-07-02 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190604 Address after: 311800 No. 58 East Road, Jiyang Street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: ZHEJIANG MAOYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 611730 Pixian, Chengdu, Sichuan Province, Optics Valley town (Jing Rong town Chuang commune) 66, Dayu East Road, Optics Valley, 3 building, 309 room, Optics Valley, with -1 Applicant before: CHENGDU BINGDE TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: an air purifier Effective date of registration: 20220917 Granted publication date: 20190702 Pledgee: Agricultural Bank of China Limited Zhuji sub branch Pledgor: ZHEJIANG MAOYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2022980015579 |
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