CN204460592U - The special new wind air purifier of ceiling type - Google Patents
The special new wind air purifier of ceiling type Download PDFInfo
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- CN204460592U CN204460592U CN201520056168.4U CN201520056168U CN204460592U CN 204460592 U CN204460592 U CN 204460592U CN 201520056168 U CN201520056168 U CN 201520056168U CN 204460592 U CN204460592 U CN 204460592U
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- 238000001914 filtration Methods 0.000 claims abstract description 97
- 230000002093 peripheral effect Effects 0.000 claims description 8
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- 239000000463 material Substances 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012946 outsourcing Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
There is provided a kind of ceiling type special new wind air purifier, it carries out special designs for the place such as school, kindergarten especially, can meet in haze weather and remove while PM2.5 index can reach the clean-up effect of 0.1 ~ 0.5 micron level, both new wind was supplemented, also can meet the requirement of Wind Volume air circulation, also can reach the demand that classroom's amount of air circulation is 1000 cubes ms/h.Ceiling type special-purpose air clarifier comprises housing, air outlet, return air inlet, fresh wind port, filtering module, and ceiling type is arranged on top, room; Air imitates filtering module from fresh wind port, return air inlet inflow junior middle school, and the centrifugal blower outsourcing of central authorities encloses the high efficiency filter module being equipped with H11 or H13 or H14 rank; Air imitates filtering module by junior middle school, is centrifuged blower fan and sucks, then throw away towards periphery, by high efficiency filter module, flow to air-out passage, then flow out from air outlet; Every one deck filters all can be provided with kuppe.
Description
Technical field
This case belongs to air purification field, is specifically related to the new wind air purifier of a kind of ceiling type for classroom, kindergarten, dining room, theater, office, is specially adapted to the densely populated public places such as school and uses.
Background technology
In the classroom, kindergarten etc. of densely populated public place, particularly school, in order to ensure oxygen supply problem per capita, need to window with supplied fresh air for a long time, and in the face of the problem of national haze weather, " haze sky opens a window, be not follow in outdoor activity similar! " many heads of a family are when being reflected in air heavily contaminated; classroom still windows; worry that child body is affected; but do not window; because student people is many; room air is muddy, affects the healthy of student and intelligence development, is badly in need of a kind ofly to supplement new wind in a large number, realizing the new wind air purifier that indoor air circulation can reduce again PM2.5 granule content on a large scale.
This case belongs to CN201320395787.7, CN201410205160.X, CN201410275319.5, CN201410457348.3, the series application of CN201420517309.3, this Patent Serial has removes the clean-up effect that PM2.5 index can reach 0.1 ~ 0.5 micron level, haze weather and densely populated purification of air sharp weapon, but patent application is before because the structure majority adopted is family expenses and use of generally handling official business, its air quantity is at 300 cubic metres/hours, the requirement of Wind Volume air circularly purifying can not be met, particularly in classroom, amount of air circulation is the demand of 1000 cubes ms/h.
Summary of the invention
There is provided a kind of ceiling type special new wind air purifier, it carries out special designs for the place such as school, kindergarten especially, can meet when haze weather and remove while PM2.5 index reaches the clean-up effect of 0.1 ~ 0.5 micron level, while supplementing new wind, also can meet the requirement of Wind Volume air circulation, as long as the size of ceiling type special-purpose air clarifier scales up, the demand that amount of air circulation is 1000 cubes ms/h can be reached.
The technical solution of the utility model is as follows:
The special new wind air purifier of ceiling type, comprise housing, air outlet, return air inlet, fresh wind port, filtering module, the fresh wind port of air purifier connects new ventilation slot or new wind passage by fresh wind tube, the outer new wind of new ventilation slot communication chamber, air outlet is opened on housing for sending the air after purification to indoor, it is characterized in that
New wind air purifier ceiling type is arranged on top, room; Bottom shell has return air inlet, is close to bottom shell and is provided with the first filtering module, air enters flow directly into the first filtering module from fresh wind port, return air inlet, and the first filtering module is primarily efficient filter module or medium air filtration module;
Blower fan adopts centrifugal blower, and centrifugal blower hangs the middle part of the inner cavity top being located at special-purpose air clarifier, and centrifugal blower is positioned at above the first filtering module;
Second filtering module in the vertical direction surrounds centrifugal blower, and the second filtering module is along the uniform setting of inner chamber of housing; Form air-out passage between second filtering module and the upright side walls of housing cavity, air-out passage is communicated with air outlet; Second filtering module is the high efficiency filter module adopting H11 or H13 or H14 rank;
Fresh wind port is communicated with the air intake of the first filtering module;
Air, by the first filtering module, is inhaled into, is centrifuged blower fan and throws away towards periphery, by the second filtering module, flow to air-out passage, then flow out from air outlet.
Further, be provided with kuppe between the air intake of described centrifugal blower and the first filtering module, one end of kuppe connects with the outer fringe seal of centrifugal blower air intake, and the other end of kuppe connects with the edge seal of the first filtering module; Kuppe forms the first flow-guiding channel between centrifugal blower and the first filtering module, and air, after the first filtering module filters, flows into the first flow-guiding channel, flows to blower fan through water conservancy diversion.
Further, kuppe is flared structure.
Further, described housing is square structure, and the second filtering module is four, is vertically arranged in four square upright side walls respectively; Second filtering module is the vertical module of strip.
Further, described housing is circular configuration, and the second filtering module is that annular surrounds structure, is arranged on ringwise on the vertical direction of housing cavity; The radial dimension of the second filtering module is less than axial dimension.
Further, described fresh wind port is arranged in housing sidewall;
Further, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
Further, described housing bottom is detachable panel type structure, and itself and housing sidewall or furred ceiling side are that card slot type is connected, and panel is lattice structure, and the space between grid is as return air inlet; First filtering module is fixed on bottom panel by draw-in groove, during dismounting, extracts together with panel, installs after replacing again; Housing is provided with chute type support, fixing for the second filtering module plug, and adopt buckle structure to fix between the second filtering module and support, the second filtering module adopts plug-in replacing, dismounting.
Further, described primarily efficient filter module is multiple pocket type filter cartridge constructions, comprise grid shape support, filtration non-woven fabrics pocket several, point bundle such as pocket openings is opened on grid shape support, and gas enters from pocket openings.
Further, the second described filtering module is HEPA high efficiency filter module, its structure is Z-type continuous folding multiple-level stack project organization, wherein, and one deck Z-type continuous folding formula wave structure, one deck Z-type continuous folding formula wave structure again, stack gradually, this fold is the waveform of 5 ~ 15mm, and single-layer fold layer width is in the scope of 40mm ~ 200mm, multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
Because adopt centrifugal blower ceiling type structure, blower fan can select large fan, filtering module is multiple distributed module, ensure that air quantity can have good clean-up effect while large, the design of air inlet and return air inlet and fresh wind port in addition, at indoor formation pressure-fired environment, can ensure that outdoor dirty air, dust etc. do not enter indoor from window, crack between a door and its frame gap.
This case uses for the public place that classroom, kindergarten, dining room, theater, larger office room etc. are densely populated especially and designs, take into full account the demand of healthy and green learning life environment of student, people, installation and maintenance of the present invention are simple, are directly combined with the new wind passage of central air-conditioning or central authorities of furred ceiling and install.Cost is lower, is adapted at school's large-scale promotion and uses.
Accompanying drawing explanation
Fig. 1 is the profile of ceiling type special-purpose air clarifier;
Fig. 2 is the top view of ceiling type special-purpose air clarifier;
Fig. 3 is the structural representation that ceiling type special-purpose air clarifier is installed in classroom.
Detailed description of the invention
Now in conjunction with the drawings and the specific embodiments this case is described further:
The special new wind air purifier of ceiling type, comprise housing, air outlet 7, return air inlet, fresh wind port 3, filtering module, the fresh wind port of air purifier connects new ventilation slot or new wind passage by fresh wind tube, the outer new wind of new ventilation slot communication chamber, air outlet is opened in for sending the air after purification to indoor on housing, and air purifier ceiling type is arranged on top, room 100; Bottom shell has return air inlet, is close to bottom shell and is provided with the first filtering module 5, air enters flow directly into the first filtering module from fresh wind port, return air inlet, and the first filtering module is primarily efficient filter module or medium air filtration module; Primarily efficient filter module is multiple pocket type filter cartridge constructions, comprise grid shape support, filtration non-woven fabrics pocket several, point bundle such as pocket openings is opened on grid shape support, and gas enters from pocket openings.
Blower fan adopts centrifugal blower 1, and centrifugal blower hangs the middle part of the inner cavity top being located at special-purpose air clarifier, and centrifugal blower is positioned at above the first filtering module 5; Second filtering module 2 in the vertical direction surrounds centrifugal blower, and the second filtering module is along the uniform setting of inner chamber of housing; Form air-out passage between second filtering module and the upright side walls of housing cavity, air-out passage is communicated with air outlet; Second filtering module is the high efficiency filter module adopting H11 or H13 or H14 rank, its structure is Z-type continuous folding multiple-level stack project organization, wherein, one deck Z-type continuous folding formula wave structure, then one deck continuous folding formula wave structure, stack gradually, this fold is the waveform of 5 ~ 15mm, single-layer fold layer width is in the scope of 40mm ~ 200mm, and multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
Fresh wind port is communicated with the air intake of the first filtering module; Air, by the first filtering module 5, is inhaled into, is centrifuged blower fan and throws away towards periphery, by the second filtering module, flow to air-out passage, then flow out from air outlet.Be provided with tubaeform kuppe 4 between the air intake of centrifugal blower and the first filtering module, one end of kuppe connects with the outer fringe seal of centrifugal blower air intake, and the other end of kuppe connects with the edge seal of the first filtering module; Kuppe forms the first flow-guiding channel between centrifugal blower and the first filtering module, and air, after the first filtering module filters, flows into the first flow-guiding channel, flows to blower fan through water conservancy diversion;
In one embodiment, housing is square structure, and the second filtering module is four, is vertically arranged in four square upright side walls respectively, namely in four faces; Second filtering module is the vertical module of strip.
In a further embodiment, housing is circular configuration, and the second filtering module is that annular surrounds structure, is arranged on ringwise on the vertical direction of housing cavity; The radial dimension of the second filtering module is less than axial dimension, is prolate shape loop configuration.
Fresh wind port is arranged in housing sidewall; Air outlet is arranged on the peripheral position of housing bottom, or air outlet directly adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
Each parts of this case are plug-in anatomical connectivity, and wherein housing bottom is detachable panel type structure, and itself and housing sidewall or furred ceiling side are that card slot type is connected, and panel is lattice structure, and the space between grid is as return air inlet; First filtering module is fixed on bottom panel 6 by draw-in groove, during dismounting, extracts together with panel, installs after replacing again; Housing is provided with chute type support, fixing for the second filtering module plug, and adopt buckle structure to fix between the second filtering module and support, the second filtering module adopts plug-in replacing, dismounting.
Because adopt centrifugal blower ceiling type structure, blower fan can select large fan, filtering module is multiple distributed module, ensures that air quantity can have good clean-up effect, the design of air inlet and return air inlet and fresh wind port in addition while large, at indoor formation pressure-fired environment, can ensure that outdoor dirty air, dust etc. do not enter indoor from window, crack between a door and its frame gap, as shown in the figure, adopt the air purifier of the technical program, air forms fully circulation between top 100, wall (101,102).
This case uses for the public place that classroom, kindergarten, dining room, theater, larger office room etc. are densely populated especially and designs, take into full account the demand of healthy and green learning life environment of student, people, installation and maintenance of the present invention are simple, directly can be combined with the new wind passage of central air-conditioning or central authorities of furred ceiling and install, cost is lower, is adapted at school's large-scale promotion and uses.
Finally should be noted that: above embodiment is only in order to illustrate that the technical scheme of this case is not intended to limit; Although be described in detail this case with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to the detailed description of the invention of this case or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of this case technical scheme, it all should be encompassed in the middle of the technical scheme scope of this case request protection.
Claims (28)
1. the special new wind air purifier of ceiling type, comprise housing, air outlet, return air inlet, fresh wind port, filtering module, the fresh wind port of air purifier connects new ventilation slot or new wind passage by fresh wind tube, the outer new wind of new ventilation slot communication chamber, air outlet is opened on housing for sending the air after purification to indoor, it is characterized in that
New wind air purifier ceiling type is arranged on top, room; Bottom shell has return air inlet, is close to bottom shell and is provided with the first filtering module, air enters flow directly into the first filtering module from fresh wind port, return air inlet, and the first filtering module is primarily efficient filter module or medium air filtration module;
Blower fan adopts centrifugal blower, and centrifugal blower hangs the middle part of the inner cavity top being located at special-purpose air clarifier, and centrifugal blower is positioned at above the first filtering module;
Second filtering module in the vertical direction surrounds centrifugal blower, and the second filtering module is along the uniform setting of inner chamber of housing; Form air-out passage between second filtering module and the upright side walls of housing cavity, air-out passage is communicated with air outlet; Second filtering module is the high efficiency filter module adopting H11 or H13 or H14 rank;
Fresh wind port is communicated with the air intake of the first filtering module;
Air, by the first filtering module, is inhaled into, is centrifuged blower fan and throws away towards periphery, by the second filtering module, flow to air-out passage, then flow out from air outlet.
2. the special new wind air purifier of a kind of ceiling type according to claim 1, it is characterized in that, kuppe is provided with between the air intake of described centrifugal blower and the first filtering module, one end of kuppe connects with the outer fringe seal of centrifugal blower air intake, and the other end of kuppe connects with the edge seal of the first filtering module; Kuppe forms the first flow-guiding channel between centrifugal blower and the first filtering module, and air, after the first filtering module filters, flows into the first flow-guiding channel, flows to blower fan through water conservancy diversion.
3. the special new wind air purifier of a kind of ceiling type according to claim 2, it is characterized in that, described kuppe is flared structure.
4. the special new wind air purifier of a kind of ceiling type according to claim 1, it is characterized in that, described housing is square structure, and the second filtering module is four, is vertically arranged in four square upright side walls respectively; Second filtering module is the vertical module of strip.
5. the special new wind air purifier of a kind of ceiling type according to claim 2, it is characterized in that, described housing is square structure, and the second filtering module is four, is vertically arranged in four square upright side walls respectively; Second filtering module is the vertical module of strip.
6. the special new wind air purifier of a kind of ceiling type according to claim 3, it is characterized in that, described housing is square structure, and the second filtering module is four, is vertically arranged in four square upright side walls respectively; Second filtering module is the vertical module of strip.
7. the special new wind air purifier of a kind of ceiling type according to claim 1, it is characterized in that, described housing is circular configuration, and the second filtering module is that annular surrounds structure, is arranged on ringwise on the vertical direction of housing cavity; The radial dimension of the second filtering module is less than axial dimension.
8. the special new wind air purifier of a kind of ceiling type according to claim 2, it is characterized in that, described housing is circular configuration, and the second filtering module is that annular surrounds structure, is arranged on ringwise on the vertical direction of housing cavity; The radial dimension of the second filtering module is less than axial dimension.
9. the special new wind air purifier of a kind of ceiling type according to claim 3, it is characterized in that, described housing is circular configuration, and the second filtering module is that annular surrounds structure, is arranged on ringwise on the vertical direction of housing cavity; The radial dimension of the second filtering module is less than axial dimension.
10. the special new wind air purifier of a kind of ceiling type according to claim 4, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 11. a kind of ceiling type according to claim 5, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 12. a kind of ceiling type according to claim 6, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 13. a kind of ceiling type according to claim 7, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 14. a kind of ceiling type according to claim 8, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 15. a kind of ceiling type according to claim 9, it is characterized in that, described fresh wind port is arranged in housing sidewall.
The special new wind air purifier of 16. a kind of ceiling type according to claim 10, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
The special new wind air purifier of 17. a kind of ceiling type according to claim 11, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
The special new wind air purifier of 18. a kind of ceiling type according to claim 12, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
The special new wind air purifier of 19. a kind of ceiling type according to claim 13, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
The special new wind air purifier of 20. a kind of ceiling type according to claim 14, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
The special new wind air purifier of 21. a kind of ceiling type according to claim 15, it is characterized in that, described air outlet is arranged on the peripheral position of housing bottom, or air outlet adopts former furred ceiling air outlet, and air-out passage is communicated with the former furred ceiling air outlet of building.
22. according to the arbitrary described special new wind air purifier of a kind of ceiling type of claim 1 to 21, it is characterized in that, described housing bottom is detachable panel type structure, and itself and housing sidewall or furred ceiling side are that card slot type is connected, panel is lattice structure, and the space between grid is as return air inlet; First filtering module is fixed on bottom panel by draw-in groove, during dismounting, extracts together with panel, installs after replacing again; Housing is provided with chute type support, fixing for the second filtering module plug, and adopt buckle structure to fix between the second filtering module and support, the second filtering module adopts plug-in replacing, dismounting.
23. according to the arbitrary described special new wind air purifier of a kind of ceiling type of claim 1 to 21, it is characterized in that, described primarily efficient filter module is multiple pocket type filter cartridge constructions, comprise grid shape support, filtration non-woven fabrics pocket several, point bundle such as pocket openings is opened on grid shape support, and gas enters from pocket openings.
The special new wind air purifier of 24. a kind of ceiling type according to claim 22, it is characterized in that, described primarily efficient filter module is multiple pocket type filter cartridge constructions, comprise grid shape support, filtration non-woven fabrics pocket several, point bundle such as pocket openings is opened on grid shape support, and gas enters from pocket openings.
25. according to the arbitrary described special new wind air purifier of a kind of ceiling type of claim 1 to 21, it is characterized in that, the second described filtering module is HEPA high efficiency filter module, its structure is Z-type continuous folding multiple-level stack project organization, wherein, one deck Z-type continuous folding formula wave structure, one deck Z-type continuous folding formula wave structure again, stack gradually, this fold is the waveform of 5 ~ 15mm, single-layer fold layer width is in the scope of 40mm ~ 200mm, and multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
The special new wind air purifier of 26. a kind of ceiling type according to claim 22, it is characterized in that, the second described filtering module is HEPA high efficiency filter module, its structure is Z-type continuous folding multiple-level stack project organization, wherein, one deck Z-type continuous folding formula wave structure, one deck Z-type continuous folding formula wave structure again, stack gradually, this fold is the waveform of 5 ~ 15mm, single-layer fold layer width is in the scope of 40mm ~ 200mm, and multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
The special new wind air purifier of 27. a kind of ceiling type according to claim 23, it is characterized in that, the second described filtering module is HEPA high efficiency filter module, its structure is Z-type continuous folding multiple-level stack project organization, wherein, one deck Z-type continuous folding formula wave structure, one deck Z-type continuous folding formula wave structure again, stack gradually, this fold is the waveform of 5 ~ 15mm, single-layer fold layer width is in the scope of 40mm ~ 200mm, and multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
The special new wind air purifier of 28. a kind of ceiling type according to claim 24, it is characterized in that, the second described filtering module is HEPA high efficiency filter module, its structure is Z-type continuous folding multiple-level stack project organization, wherein, one deck Z-type continuous folding formula wave structure, one deck Z-type continuous folding formula wave structure again, stack gradually, this fold is the waveform of 5 ~ 15mm, single-layer fold layer width is in the scope of 40mm ~ 200mm, and multilayer gross thickness is within the scope of 60mm ~ 200mm, and material for core adopts the high-efficient filter core of H13 or H14 rank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056168.4U CN204460592U (en) | 2015-01-27 | 2015-01-27 | The special new wind air purifier of ceiling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056168.4U CN204460592U (en) | 2015-01-27 | 2015-01-27 | The special new wind air purifier of ceiling type |
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| Publication Number | Publication Date |
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| CN204460592U true CN204460592U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520056168.4U Expired - Fee Related CN204460592U (en) | 2015-01-27 | 2015-01-27 | The special new wind air purifier of ceiling type |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990195A (en) * | 2015-01-27 | 2015-10-21 | 牛京伟 | Ceiling type fresh air purifier |
| CN107461830A (en) * | 2017-09-29 | 2017-12-12 | 成都智拓空品科技有限公司 | A kind of air purifier |
| US11293458B2 (en) | 2018-04-23 | 2022-04-05 | Home Depot Product Authority, Llc | Air filtration ceiling fan |
-
2015
- 2015-01-27 CN CN201520056168.4U patent/CN204460592U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990195A (en) * | 2015-01-27 | 2015-10-21 | 牛京伟 | Ceiling type fresh air purifier |
| CN107461830A (en) * | 2017-09-29 | 2017-12-12 | 成都智拓空品科技有限公司 | A kind of air purifier |
| US11293458B2 (en) | 2018-04-23 | 2022-04-05 | Home Depot Product Authority, Llc | Air filtration ceiling fan |
| US11828301B2 (en) | 2018-04-23 | 2023-11-28 | Home Depot Product Authority, Llc | Air filtration ceiling fan |
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Effective date of registration: 20170712 Address after: 325000, Zhejiang Wenzhou hi tech Industrial Park, No. 158, high road, No. 1, B building Patentee after: WENZHOU GERUN'AI TECHNOLOGY CO., LTD. Address before: 100093 Beijing city Haidian District minzhuang road at Xiangshan District 120-1 Co-patentee before: Bao Zhongnan Patentee before: Niu Jingwei |
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Granted publication date: 20150708 Termination date: 20210127 |
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