CN203928173U - Air purifier - Google Patents
Air purifier Download PDFInfo
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- CN203928173U CN203928173U CN201420258075.5U CN201420258075U CN203928173U CN 203928173 U CN203928173 U CN 203928173U CN 201420258075 U CN201420258075 U CN 201420258075U CN 203928173 U CN203928173 U CN 203928173U
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- air
- gathering cover
- wind gathering
- container cavity
- described wind
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Abstract
Air purifier, comprises and has the shell body of container cavity and be placed in container cavity and centrifugal fan and filtration members setting up and down, centrifugal fan has roughly orthogonal air-out passage and air intake passage, and wherein air intake passage down; The bottom of shell body is provided with the air inlet communicating with container cavity, and the upper side of shell body is provided with the air outlet communicating with container cavity; Between air inlet and air outlet, be provided with the wind gathering cover of separating container cavity, at least part of sidewall bodies of wind gathering cover is tapered, tapered side wall body upward uncovered; Centrifugal fan is placed in wind gathering cover and its air intake passage is connected the entrance that is communicated with wind gathering cover; The air-out passage of centrifugal fan is towards the tapered side wall body of wind gathering cover; The outlet of wind gathering cover is towards upper.Like this, tapered sidewalls not only can change to uniformity the flow direction of air-flow, when can also effectively improve air output, can also reduce noise.
Description
Technical field
The utility model relates to a kind of air purifier, and described air purifier is applicable to the indoor environments such as household, office, for filtering out the small pollutants such as airborne dust, bacterium, room air is purified.
Background technology
In the space at relative closures such as household, offices, air circulation is very limited, be very easy to deposition air pollutants, add development of modern industry and cause the discharge wantonly of a large amount of air pollutants, thereby people's living environment ambient air quality is sharply got off, healthy situation on people has caused either large or small impact, and use air purifier to purify the air of a room to be generally acknowledge improve one of method of IAQ.
Summary of the invention
The interior space of general household, office is larger, naturally, needs the unit interval to purify the larger air purifier of air quantity.And increase the air quantity of air purifier, and tending to again to cause the raising of the volume of noise, this is an awkward selection.
For the deficiencies in the prior art, goal of the invention of the present utility model aims to provide a kind of novel air purifier, and described air purifier has the air channel structure of optimization, in the situation that being equal to power consumption, not only can improve air quantity like this, and can also reduce noise; In addition, can also effectively improve the air purification effect of described air purifier.
Based on above-mentioned purpose, the utility model proposes a kind of air purifier, comprise and there is the shell body of container cavity and be placed in described container cavity and centrifugal fan and filtration members setting up and down, described centrifugal fan has roughly orthogonal air-out passage and air intake passage, and wherein said air intake passage down; The bottom of described shell body is provided with the air inlet communicating with described container cavity, and the upper side of described shell body is provided with the air outlet communicating with described container cavity; It is characterized in that, between described air inlet and air outlet, be provided with the wind gathering cover of separating described container cavity, at least part of sidewall bodies of described wind gathering cover is tapered, described tapered side wall body upward uncovered; Described centrifugal fan is placed in described wind gathering cover and its air intake passage is connected the entrance that is communicated with described wind gathering cover; The air-out passage of described centrifugal fan is towards the tapered side wall body of described wind gathering cover; The outlet of described wind gathering cover is towards upper.
Wherein, the bottom of described shell body and top are the zoness of different splitting in relative bearing, and for example, described bottom is positioned at the region, bottom of described shell body, and top is positioned at region more than described bottom.In addition, the bottom of described shell body is provided with the air inlet communicating with described container cavity, the upper side of described shell body is provided with the air outlet communicating with described container cavity, like this, when described centrifugal fan work, extraneous air can be drawn in described container cavity by described air inlet, air-flow is discharged by described air outlet after the filtration of described filtration members.
Wherein, described filtration members is for removing the device of airborne pollutant.
And in order to make the air outside described shell body be pumped in described container cavity and be collected, between described air inlet and air outlet, be provided with the wind gathering cover of separating described container cavity, and described centrifugal fan is placed in described wind gathering cover.Like this, described wind gathering cover is separated described container cavity, make described container cavity be divided into upper container cavity and lower container cavity, described centrifugal fan work makes to form negative pressure and upper cavity volume formation malleation in described lower container cavity, so the air outside described shell body is pumped in described lower container cavity, and flow in described upper container cavity, then bloated outside described shell body by described upper container cavity.Secondly, further technical scheme can also be, also comprise the tabula plate body that is arranged on described wind gathering cover periphery, described wind gathering cover is positioned on described shell body by described tabula plate body, described container cavity is separated in described wind gathering cover and the combination of described tabula plate body, and the entrance of described wind gathering cover is communicated with the lower side space of described tabula plate body; The outlet of described wind gathering cover is communicated with the superjacent air space of described tabula plate body.So not only the size of described wind gathering cover can be set neatly, thereby and can utilize described tabula plate body to receive the shock wave of described wind gathering cover to reduce noise.Further technical scheme can also be that the connecting portion between described tabula plate body and described shell body is also provided with damper such as damping spring, rubber mat plate etc. for this reason.
The air-flow that blows out due to the air-out passage of described centrifugal fan is along the axis high-speed motion of the air-out passage of described centrifugal fan, if the airflow strikes that now blows is out when with the perpendicular planomural face of the axis of described air-out passage, described planomural face can be broken up air-flow and air-flow surrounding disorderly leapt up and can not effectively change the direction of air-flow and make it concentrate space upward to blow, greatly the weakening of intensity that for this reason not only causes air-flow, produces larger noise while also making airflow strikes arrive straight wall.For the problems referred to above, we improve the structure of described wind gathering cover, make its at least part of sidewall bodies tapered, described tapered side wall body upward uncovered, and allow the air-out passage of described centrifugal fan towards the taper wall body of described wind gathering cover.Wherein sidewall bodies is tapered at least partly, refers to that the partial sidewall body of described wind gathering cover is tapered, or all side is tapered.In addition, the uncovered of described tapered side wall body refers to upward, the upper end finish dimensional of described tapered side wall body is greater than the lower end finish dimensional of described tapered side wall body, that is to say from cross section, described tapered side wall body is to have roll outward tiltedly gradually from lower to upper and have certain angle with axis, preferably, described angle is 15 °～45 °, described like this tapered sidewalls can make described air-flow change direction and concentrate space upward to blow, and can mutually not collide or strike on other sidewalls of described container cavity and consume energy and weaken intensity.
Further, the tapered sidewalls of described wind gathering cover is conical.When the air-out passage by described centrifugal fan blows out and the airflow strikes of High Rotation Speed during to described tapered side wall body, it is moving and can not collide consumingly described conical sides wall body that described air-flow can carry over the ring-like surface current of described conical sides wall body, at least impact force can greatly reduce, so not only can effectively reduce the losing quantity that noise can also reduce the intensity of described air-flow.Certainly, further technical scheme can also be that the tapered sidewalls of described wind gathering cover is cone rhombus.
According to technique scheme, compared with prior art, the beneficial effects of the utility model are: due to the structure of described wind gathering cover is improved and made it have tapered sidewalls, and the air-out passage of described centrifugal fan is towards the tapered side wall body of described wind gathering cover, like this, described tapered sidewalls not only can change to uniformity the flow direction of air-flow, when can also effectively improve air output, can also reduce noise.
If the air-flow of being sent by described wind gathering cover directly impacts on the straight roof of described shell body, can break up air-flow equally and air-flow surrounding is disorderly leapt up, when greatly reducing air output, also produce a large amount of noises, for this reason, further technical scheme can also be, on the top of described container cavity, be provided with the wind scooper of back taper, directly over the outlet of the described wind gathering cover that described wind scooper is positioned at, described air outlet is positioned at the spatial dimension up and down that the inclined wall of described wind scooper defines.
Wherein, the spatial dimension up and down that the inclined wall of described wind scooper defines, refers to that the inclined wall of described wind scooper is to the view field of described air outlet place wall direction projection.Described wind scooper can be pyramid, can also be taper shape or disc.In order effectively to change the direction of the air-flow that collides described inclined wall, increase the throughput of being discharged by described air outlet simultaneously, the inclined wall of described wind scooper and the angle of axis are not more than 45 °, are preferably 45 °.
Further technical scheme can also be, described filtration members comprises lower filtration members, and described lower filtration members is between the air inlet of described shell body and the entrance of described wind gathering cover.Like this, the air entering in described container cavity by described air inlet must could continue up to flow into the entrance of described wind gathering cover after the filtration of described lower filtration members, has effectively guaranteed the clean-up effect of described air purifier.
Further technical scheme can also be, described filtration members comprises filtration members, and described upper filtration members covers the outlet of described wind gathering cover.Like this, must flow through described upper filtration members through the filtration of described upper filtration members of the air being flowed out by the outlet of described wind gathering cover, has guaranteed the clean-up effect of described air purifier effectively.
Further technical scheme can also be in the inner side of described shell body, to be also provided with the inner casing main body of sound insulation.Like this, by described inner casing main body, can strengthen soundproof effect, reduce the noise of described air purifier.And the member in described container cavity can also be navigated to described inner casing main body and can not produce harmful effect to the outward appearance of described shell body.
Further technical scheme can also be to be provided with clearance space between the entrance of described wind gathering cover and described lower filtration members.Can greatly improve intake velocity like this.
Owing to the utlity model has These characteristics and advantage, can be applied in air purifier for this reason.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the air purifier of application technical solutions of the utility model;
Fig. 2 is the decomposition texture schematic diagram of the air purifier shown in Fig. 1;
Fig. 3 is the perspective view of the air purifier shown in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of the air purifier of application technical solutions of the utility model is further described.
As shown in Figure 1, Figure 2 and Figure 3, for applying the structural representation of the air purifier of technical solutions of the utility model, comprise and there is the shell body 1 of container cavity 11 and be placed in described container cavity 11 and centrifugal fan 2 and filtration members setting up and down, and be arranged on master board 91 on described shell body 1 and provide the power supply circuit board 92 of power supply for described centrifugal fan 2.In the bottom of described shell body 1, be also provided with 4 wheels 93.
Described shell body 1 comprise be frame shaped housing main body 12, be arranged on described housing main body 12 the 12a of side openings portion door-plate 13a and be positioned at the window-frame body 13a1 on door-plate 13a, cover the top board 13b of the 12b of upper opening portion of described housing main body 12 and the base plate 13d that covers the 12d of lower openings portion of described housing main body 12.Described housing main body 12, door-plate 13a, window-frame body 13a1, top board 13b and base plate 13d surround described container cavity 11.In addition, the bottom of described shell body 1 is provided with the air inlet 16 communicating with described container cavity 11, and the upper side of described shell body 11 is provided with 4 air outlets 15 that communicate with described container cavity 11.Specifically, it is upper that described air inlet 16 is arranged on described base plate 13d, and wherein 3 described air outlets 15 are separately positioned on the top of three sidewalls of described housing main body 12, and air outlet 15 is arranged on described window-frame body 13a1 described in another one.In described air outlet 15, be also provided with barrier body 15a, described barrier body 15a can prevent that staff from passing described air outlet 15 and extending in described container cavity 11.Wherein, the bottom of described shell body 1 and top are the positions splitting in relative bearing region, so the embodiment being equal to as another kind, described bottom can also refer in described shell body 1 central region position, and now described top is positioned on described bottom equally.
Described filtration members, for for removing the device of airborne pollutant, comprises lower filtration members 31 and upper filtration members 32.
Described lower filtration members 13 comprises screen pack 31a and supports the lower support seat 31b of described screen pack 31a, described lower support seat 31b is drawer-like and has the 31b4 of side openings portion, described screen pack 31a is placed in described lower support seat 31b through the described side openings 31b4 of portion, for allowing air flow, diapire body and the roof body of described lower support seat 31b all have blow vent, i.e. mouthful 31b5 is filtered in air-out and air intake filters mouthful (be blocked and do not show).In addition, on described lower support seat 31b, be also provided with the locating rack 31b1 that is frame shape, thereby described locating rack 31b1 is positioned on described shell body 1 and described lower filtration members 13 is positioned to the air inlet 16 of described shell body and below by between the entrance 43 of the wind gathering cover 4 of discussing in detail by securing member.Like this, the air entering in described container cavity 11 by described air inlet 16 must could continue up to flow into the entrance of described wind gathering cover 4 after the filtration of described lower filtration members 13, has effectively guaranteed the clean-up effect of described air purifier.
And in order to make the air outside described shell body 1 can be pumped in described container cavity 11 and be collected, between described air inlet 16 and air outlet 15, be provided with wind gathering cover 4 and the tabula plate body 44 that can separate described container cavity 11.Described wind gathering cover 4 comprises the funnel body 41 that is housing shape, described funnel body 41 is fixed on described tabula plate body 44 and by described tabula plate body 44 and is positioned on described housing main body 12, secondly between described tabula plate body 44 and described shell body 1, yielding rubber plate can also be set.The sidewall bodies that described funnel body 41 has outlet 42, entrance 43 and connects described outlet 42, entrance 43, described outlet 42 is arranged on the upper end of described funnel body 41 and towards upper, and described entrance 43 be arranged on described funnel body 41 bottom and towards under.Described centrifugal fan 2 is installed in described wind gathering cover 4, and described centrifugal fan 2 sinks in described funnel body 41 by frame member 21.Described centrifugal fan 2 has roughly orthogonal air-out passage 22 and air intake passage 23, and wherein said air intake passage 23 is also connected the entrance 43 that is communicated with described wind gathering cover 4 down, and described air-out passage 22 is towards the sidewall bodies of described wind gathering cover 4.Like this, described wind gathering cover 4 is separated described container cavity 11 with described tabula plate body 44 combinations, make described container cavity 11 be divided into upper container cavity 11a and lower container cavity 11b, described centrifugal fan 2 work make to form negative pressure and described upper cavity volume 11a formation malleation in described lower container cavity 11b, so the air outside described shell body 1 is pumped in described lower container cavity 11b, and flow in described upper container cavity 11a, then bloated outside described shell body 1 by described upper container cavity 11a.And for fear of the air-supply that affects described wind gathering cover 4, on described tabula plate body 44, be provided with the through hole 44a with described outlet 42 adaptations.
The air-flow that the air-out passage 22 of described centrifugal fan 2 blows is out along the axis high-speed motion of the air-out passage of described centrifugal fan 2, if now blow out airflow strikes when with the perpendicular planomural face of the axis of described air-out passage 22, described planomural face can be broken up air-flow and air-flow surrounding disorderly leapt up and can not effectively change the direction of air-flow and make it concentrate space upward to blow, cause the intensity of air-flow greatly to weaken, and airflow strikes also can produce the noise of comparison to straight wall.For this reason, for the problems referred to above, we improve the structure of described wind gathering cover 4, make its at least part of sidewall bodies be conical, and allow the air-out passage 22 of described centrifugal fan 2 towards conical sidewall bodies 45 of being of described wind gathering cover 4.Wherein sidewall bodies is conical at least partly, refer to that the partial sidewall body of described wind gathering cover 4 is conical, or all side is conical.And in the present embodiment, thereby whole sidewall bodies of described wind gathering cover 4 are all taper shape, make described wind gathering cover 4 integral body be round funnel-form.According to technique scheme, when the air-out passage 22 by described centrifugal fan 2 blows out and the airflow strikes of High Rotation Speed during to described conical sides wall body 45, it is moving and can not collide consumingly described conical sides wall body 45 that described air-flow can carry over the ring-like surface current of described conical sides wall body 45, at least impact force can greatly reduce, so not only can effectively reduce the losing quantity that noise can also reduce the intensity of described air-flow.And because the conical side wall 45 of described wind gathering cover 4 is be tilted to and have certain angle with axis, described angle Q1 is 15 °～45 °, be preferably 45 °, described like this tapered sidewalls 45 can make described air-flow change direction and concentrate space upward to blow, and can mutually not collide or strike on other sidewalls of described container cavity 11 and consume energy and weaken intensity.Certainly, further technical scheme can also be that at least part of sidewall bodies of described wind gathering cover 4 is cone rhombus.
In addition, when 2 work of described centrifugal fan, will attract air-flow by air inlet 16, entered and assemble gradually to the entrance 41 of described wind gathering cover 4 and draw close, thus from the entrance 43 of described wind gathering cover 4 more away from, the breadth of airflow passes is also just larger.So when being provided with suitable clearance space between the entrance 43 of described wind gathering cover 4 and described lower filtration members 31, be conducive to increase and flow to the air-flow of described wind gathering cover 4 and the contact area of described lower filtration members 31, make air intake easily and also air fully filtered, be also conducive to improve intake velocity.Certainly, it is also feasible method that described lower filtration members 31 covers on the entrance 41 of described wind gathering cover 4, just the filter effect of air not as such scheme good.
The outlet 42 of described wind gathering cover 4 be coated with described on filtration members 32.Described higher level's filtration members 32 comprises screen pack 32a and upper support seat 32b, and described upper support seat 32b has upper and lower blow vent 32b1 and is set on described screen pack 32a.Described upper filtration members 32 is placed on described tabula plate body 44.Described lower blow vent 32b1 communicates with the outlet 42 of wind gathering cover 4, and the air-flow being blowed by the outlet 42 of the described wind gathering cover 4 so described lower blow vent 32b1 that must flow through enters in described upper filtration members 32 and carries out cascade filtration, then could be by described air outlet 15 ventings.
If the air-flow of being sent by described wind gathering cover 4 directly impacts on the straight top board 13b of described shell body 1, can break up air-flow equally and air-flow surrounding is disorderly leapt up, greatly reduce air output, for this reason, further technical scheme is, on the top of described container cavity 11, be provided with the wind scooper 6 of back taper, described wind scooper 6 by be welded to connect on described top board 13b and the outlet 42 of the described wind gathering cover 4 being positioned at directly over, described air outlet 15 is positioned at the spatial dimension up and down that the inclined wall 61 of described wind scooper 6 defines.Wherein, the spatial dimension up and down that the inclined wall 61 of wind scooper 6 defines, refers to that the inclined wall 61 of described wind scooper 6 is to the view field of described air outlet 15 place wall direction projections.In the present embodiment, thereby having 4 inclined walls 61, described wind scooper 6 is reverse pyramid, the corresponding described air outlet 15 of each inclined wall 61.In addition, as an another embodiment, described wind scooper 6 can also be turbination or disc.In order effectively to change the direction of the air-flow that collides described inclined wall 61, increase the throughput by described air outlet 15 discharges simultaneously, the inclined wall 61 of described wind scooper 6 is not more than 45 ° with the angle Q2 of axis, is preferably 45 °.
And in order to strengthen soundproof effect, with avoid internals in described container cavity 11 for example the installation of tabula plate body 44, locating rack 31b1 the outward appearance of described shell body 1 is impacted, in housing main body 12 inner sides of described shell body 1, be provided with described housing main body 12 adaptations can sound insulation inner casing main body 14, similar in described inner casing main body 14 and described housing main body 12 shapes, structure, at this repeated description not.Now, described tabula plate body 44, locating rack 31b1 are directly positioned in described inner casing main body 14, and delocalization is on described housing main body 12.
Owing to the utlity model has These characteristics and advantage, can be applied to for this reason and can be applied in air purifier product for this reason.
Claims (10)
1. air purifier, comprise and there is the shell body of container cavity and be placed in described container cavity and centrifugal fan and filtration members setting up and down, described centrifugal fan has roughly orthogonal air-out passage and air intake passage, and wherein said air intake passage down; The bottom of described shell body is provided with the air inlet communicating with described container cavity, and the upper side of described shell body is provided with the air outlet communicating with described container cavity; It is characterized in that, between described air inlet and air outlet, be provided with the wind gathering cover of separating described container cavity, at least part of sidewall bodies of described wind gathering cover is tapered, described tapered side wall body upward uncovered; Described centrifugal fan is placed in described wind gathering cover and its air intake passage is connected the entrance that is communicated with described wind gathering cover; The air-out passage of described centrifugal fan is towards the tapered side wall body of described wind gathering cover; The outlet of described wind gathering cover is towards upper.
2. air purifier according to claim 1, it is characterized in that, also comprise the tabula plate body that is arranged on described wind gathering cover periphery, described wind gathering cover is positioned on described shell body by described tabula plate body, described container cavity is separated in described wind gathering cover and the combination of described tabula plate body, and the entrance of described wind gathering cover is communicated with the lower side space of described tabula plate body; The outlet of described wind gathering cover is communicated with the superjacent air space of described tabula plate body.
3. air purifier according to claim 1, it is characterized in that, on the top of described container cavity, be provided with the wind scooper of back taper, directly over the outlet of the described wind gathering cover that described wind scooper is positioned at, described air outlet is positioned at the spatial dimension up and down that the inclined wall of described wind scooper defines.
4. air purifier according to claim 3, is characterized in that, the inclined wall of described wind scooper and the angle of axis are not more than 45 °.
5. air purifier according to claim 1, is characterized in that, the tapered sidewalls of described wind gathering cover and the angle of axis are 15 °～45 °.
6. air purifier according to claim 1, is characterized in that, the tapered sidewalls of described wind gathering cover is conical or cone rhombus.
7. according to the arbitrary described air purifier of claim 1～6, it is characterized in that, described filtration members comprises lower filtration members, and described lower filtration members is between the air inlet of described shell body and the entrance of described wind gathering cover.
8. according to the arbitrary described air purifier of claim 1～6, it is characterized in that, described filtration members comprises filtration members, and described upper filtration members covers the outlet of described wind gathering cover.
9. according to the arbitrary described air purifier of claim 1～6, it is characterized in that, in the inner side of described shell body, be also provided with the inner casing main body of sound insulation.
10. air purifier according to claim 7, is characterized in that, between the entrance of described wind gathering cover and described lower filtration members, is provided with clearance space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258075.5U CN203928173U (en) | 2014-05-20 | 2014-05-20 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258075.5U CN203928173U (en) | 2014-05-20 | 2014-05-20 | Air purifier |
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| Publication Number | Publication Date |
|---|---|
| CN203928173U true CN203928173U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420258075.5U Expired - Fee Related CN203928173U (en) | 2014-05-20 | 2014-05-20 | Air purifier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953981A (en) * | 2014-05-20 | 2014-07-30 | 佛山市伊立浦电器有限公司 | Novel air purifier |
| CN104482615A (en) * | 2014-12-30 | 2015-04-01 | 天津正本自控系统有限公司 | Optical sterilization device installation structure for air purifier |
| CN109282379A (en) * | 2018-08-24 | 2019-01-29 | 嘉兴美斯克电气科技有限公司 | A kind of air purifier air duct structure |
| CN109734295A (en) * | 2019-02-27 | 2019-05-10 | 中设环保科技有限公司 | A kind of air grid room noise reduction ventilating system |
| CN111927802A (en) * | 2020-08-20 | 2020-11-13 | 东莞市格尚电器有限公司 | Air purification electric fan |
-
2014
- 2014-05-20 CN CN201420258075.5U patent/CN203928173U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953981A (en) * | 2014-05-20 | 2014-07-30 | 佛山市伊立浦电器有限公司 | Novel air purifier |
| CN104482615A (en) * | 2014-12-30 | 2015-04-01 | 天津正本自控系统有限公司 | Optical sterilization device installation structure for air purifier |
| CN109282379A (en) * | 2018-08-24 | 2019-01-29 | 嘉兴美斯克电气科技有限公司 | A kind of air purifier air duct structure |
| CN109734295A (en) * | 2019-02-27 | 2019-05-10 | 中设环保科技有限公司 | A kind of air grid room noise reduction ventilating system |
| CN109734295B (en) * | 2019-02-27 | 2022-01-04 | 中设环保科技有限公司 | Noise reduction ventilation system for air grid room |
| CN111927802A (en) * | 2020-08-20 | 2020-11-13 | 东莞市格尚电器有限公司 | Air purification electric fan |
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Owner name: DEA GENERAL AVIATION CO., LTD. Free format text: FORMER OWNER: FOSHAN ELECPRO ELECTRIC APPLIANCE HOLDING CO., LTD. Effective date: 20150819 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150819 Address after: 528200 Foshan, China, Nanhai District, Songgang Industrial Park, Industrial Park Road West Patentee after: DEA GENERAL AVIATION HOLDING Co.,Ltd. Address before: 528234 Foshan, Nanhai District, Songgang Town, Lion Rock Industrial Park, Industrial Park Road West Patentee before: FOSHAN ELECPRO ELECTRIC APPLIANCE Co.,Ltd. |
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Granted publication date: 20141105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |