CN207527815U - Displacement formula recycling ventilation group system - Google Patents
Displacement formula recycling ventilation group system Download PDFInfo
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- CN207527815U CN207527815U CN201721523479.2U CN201721523479U CN207527815U CN 207527815 U CN207527815 U CN 207527815U CN 201721523479 U CN201721523479 U CN 201721523479U CN 207527815 U CN207527815 U CN 207527815U
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- air
- displacement formula
- displaced type
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- 238000009423 ventilation Methods 0.000 title claims abstract description 72
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 19
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 30
- 231100000719 pollutant Toxicity 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 8
- 241000274582 Pycnanthus angolensis Species 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000011087 paperboard Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 49
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 235000012459 muffins Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model is related to technical field of dust removal equipment, and in particular to displacement formula recycling ventilation group system.Main technical schemes are as follows：Displacement formula recycling ventilation group system in workshop installation displaced type filtering ventilation unit, installs fresh air switch at the top of workshop；The displaced type filtering ventilation unit includes housing, filter cylinder, pollutant flow-path module are followed successively by the housing from top to bottom, the upper part of the housing side is equipped with air inlet, the lower part of the housing side is equipped with air outlet, the cartridge openings are downward, the cartridge openings connect pollutant flow-path module by the ejector pipe that converges, and the pollutant flow-path module is made of pollutant runner modular structure ontology and boxboard outside air conditioning dust removal machine；The utility model proposes a kind of cluster reasonable installation arrangements of the new air draft energy exchanger of large space, realize the air current composition function of displaced type air purification ventilation that usual centralized mode system can be only achieved.
Description
Technical field
The utility model is related to displacement formulas to recycle ventilation group system, belongs to technical field of dust removal equipment.
Background technology
With the development of New Technologies, dust pollution object is exhaled from past a large amount of depositing dusts to be increasingly difficult to administer
Dirt converts, intensive and a large amount of 0.1 μm -2.0 μm of the small particle pollution dust and aerosol that many industrial enterprise's techniques generate
Also many Industrial Enterprise Factory Boundary problem of environmental pollutions and industrial building environment pollution problem, such as environment in workshop are brought
Smoke contamination, chemical contamination and other a variety of toxic and harmful gas pollutions.These it is seriously polluted influence and endanger practitioner's
Health can lead to various disease risks even threat to life.The consequence seriously polluted causes medical treatment to a large amount of enterprises
The problem of burden and practitioner are insufficient, seriously affects production；Dirt pollutant is leaked exhaling in workshop by door and window and ventilation is arranged
It puts and huge negative effect is caused to ambient air PM2.5, traditional industrial enterprise's draft type is mainly by following several：
(1) pattern of gravity-flow ventilation is leaned on using roof ventilator.
Shortcoming：Rate of ventilation requirement can not be met when pollutant emission is higher.Winter heating building thermal loss
It is huge, thus winter can not realize gravity-flow ventilation.
(2) mechanical exhaust is done using powerroof ventilator.
Shortcoming：Exhale dust and gas colloidal sol aggregation height usually in 6.5m hereinafter, the ventilation of more than 8m building roofs can not solve work
The promotion and ventilation of dirt pollutant are exhaled as area, also causing the heating energy for winter northern heating area largely wastes, Wu Fabao
Heating effect is demonstrate,proved, so winter can not open use.
(3) it adds huge pipeline ventilating system and carries out forced circulation filtering ventilation.
Shortcoming：Huge exhaust system will pollute air centralized collection and filter, then sent by huge in each workspace
Wind system uniformly send to workspace, the 75% of the wind turbine energy and is used to convey ventilation volume air stream back and forth, and mass energy is caused to consume,
It is more arranged due to ducting system and is limited by structure, there are many air drafts and air-supply blind area, that is, uncontrollable contaminated area.In addition great Qu
The ventilation cost higher that domain centralized Control puts into production for small range or works overtime.
Utility model content
In view of the deficiencies of the prior art, the utility model proposes a kind of new air draft energy exchanger clusters of large space
Reasonable installation is arranged, realizes the air current composition function of displaced type air purification ventilation that usual centralized mode system can be only achieved.
The technical solution of the utility model is as follows：Displacement formula recycling ventilation group system, if being installed in workshop
Dry in series or in parallel or mutually independent displaced type filtering ventilation unit, displaced type filtering ventilation unit use
Upper air inlet, the dust removal by ventilation mode of lower outlet air, the air outlet of displaced type filtering ventilation unit are 0.5- apart from ground level
2.0 rice.
Further, the fresh air switch at the top of workshop is further included.
Further, height of the air inlet of displaced type filtering ventilation unit apart from ground is 5-6.5 meters.
Further, displaced type filtering ventilation unit includes housing, includes contaminant gases in the housing
Channel, filter cylinder and clean gas passages, the upper part of the housing are equipped with air inlet, and lower part is equipped with air outlet；The filter cylinder is arranged on
The inboard of air inlet, the outlet of filter cylinder are connected to clean gas passages, and the end of clean gas passages is connected to air outlet.
Further, blowback system and wind turbine are provided in the clean gas passages.
Further, confluence ejector pipe, the blowback system packet are equipped between the filter cylinder and clean gas passages
Blowback gas bag and anti-blowpipe are included, the anti-blowpipe is equipped with jet port, and the jet port is located at confluence ejector pipe lower inside.
Further, the wind turbine is frequency conversion fan.
Further, the cartridge openings are downward.
Further, installation surface cooler above the wind turbine.
Further, pollutant flow-path module, the pollutant flow-path module are equipped in the clean gas passages
It is made of pollutant runner modular structure ontology with outer boxboard；
The pollutant runner modular structure ontology includes the shape of a saddle top plate and side plate that are connected with each other, the side plate
Side, which is obliquely installed and connects, leads hawk, and the side plate connects ash slot with the bottom for leading hawk；The shape of a saddle top plate point
Fixed blowback gas bag inside angle, blowback gas bag lower section connect anti-blowpipe, surface cooler and wind turbine are fixed between the side plate.
The beneficial effects of the utility model are as follows：
(1) the utility model dust removal and filtration part uses the higher surface coating filter cylinder filter medium of filter efficiency, for
More than 99.9%, energy automatic back blow automatically cleaning is not limited the filter efficiency of 0.3 μm or more dust by dust containing capacity, can be continuous
Dust and flue gas effectively in filtering welding workshop.
(2) in equal design air circulation, the utility model is more secondary than the ventilation that traditional replacement method of ventilation doubles
Number, if that is, traditional replacement ventilation reach 2 times ventilation the utility model can reach 4 rates of ventilation in similary air circulation,
Due to there is no transimission power energy consumption more energy saving than traditional replacement method of ventilation more than 70%；In equal pollutant occurrence quantity
Under air circulation computational methods, it is in workshop top overhead traveling crane crane span structure to collect pollutant air circulation in proper height arrangement exhaust outlet
The 80% of exhaust outlet air circulation is arranged other than safe distance, fan delivery type selecting parameter reduces by 20%.
(3) large space fresh air switch fresh air flexible arrangement carries out efficient energy conversion, with displaced type mistake with air draft
It filters ventilation unit device and is combined with each other the entire workshop non-blind area supply and exhaust air current composition of realization, purification ventilation effect is best.
(4) one-time investment is low, and operating cost is low, and operation controls arbitrary group convenient, flexible, can individually control, can be arbitrary
Group facilitates maintenance.
Description of the drawings
Fig. 1 is the front view of displaced type filtering ventilation unit；
The A-A sectional views of front view when Fig. 2 is displaced type filtering ventilation unit booting operation；
The A-A sectional views of front view when Fig. 3 is displaced type filtering ventilation unit shutdown or blowback；
Fig. 4 is the side view of displaced type filtering ventilation unit；
Fig. 5 is the B-B sectional views of the side view of displaced type filtering ventilation unit；
Fig. 6 is the sectional view of displaced type filtering ventilation unit confluence ejector pipe；
Fig. 7 is the S direction views in Fig. 6；
Fig. 8 is the vertical view of displaced type filtering ventilation unit；
Fig. 9 is the three-dimensional view of displaced type filtering ventilation unit；
Figure 10 is the three-dimensional view of pollutant flow-path module；
Figure 11 is partially schematic Fig. 1 of pollutant flow-path module；
Figure 12 is partially schematic Fig. 2 of pollutant flow-path module；
Figure 13 is the front view of pollutant flow-path module；
Figure 14 is the side view of pollutant flow-path module；
Figure 15 is C-C sectional views in Figure 14；
Figure 16 is the vertical view of pollutant flow-path module；
Figure 17 is the layout drawing of displacement formula recycling ventilation group system；
Figure 18 is the sectional view of displacement formula recycling ventilation group system.
Wherein：1st, housing, 2, air inlet, 3, filter cylinder, 4, confluence ejector pipe, 5, blowback gas bag, 6, anti-blowpipe, 7, table it is cold
Device, 8, wind turbine, 9, air outlet, 10, the grey vehicle of collection, 11, jet port, 12, vibration cleaning device, 13, outer boxboard, 14, pollutant runner
Modular structure ontology, 141, shape of a saddle top plate, 142, side plate, 143, lead hawk, 144, ash slot, 15, fresh air switch,
16th, displaced type filtering ventilation unit.
Specific embodiment
With reference to embodiment and attached drawing 1-18 is described further the utility model：
Displacement formula recycling ventilation group system, it is in series or in parallel or mutually only to install several in workshop
Vertical displaced type filtering ventilation unit 16, displaced type filtering ventilation unit 16 are removed using the ventilation of upper air inlet, lower outlet air
Dirt mode, the air outlet 9 of displaced type filtering ventilation unit 16 are 0.5 meter apart from ground level.It further includes mounted on workshop
The fresh air switch 15 at top.Height of the air inlet 2 of the displaced type filtering ventilation unit 16 apart from ground is 5 meters.
Described displaced type filtering ventilation unit 16 includes housing 1, and contaminant gases channel, filter cylinder 3 and clean are included in the housing 1
Net gas passage, 1 top of housing are equipped with air inlet 2, and lower part is equipped with air outlet 9；The filter cylinder 3 is arranged on air inlet 2
Inboard, the outlet of filter cylinder 3 are connected to clean gas passages, and the end of clean gas passages is connected to air outlet 9.Described clean
Blowback system and wind turbine 8 are provided in net gas passage.Confluence ejector pipe is equipped between the filter cylinder 3 and clean gas passages
4, the blowback system includes blowback gas bag 5 and anti-blowpipe 6, and the anti-blowpipe 6 is equipped with jet port 11, the jet port
11 are located at confluence 4 lower inside of ejector pipe.The wind turbine 8 is frequency conversion fan.The filter cylinder 3 is opening down.The wind
8 top installation surface cooler 7 of machine.Pollutant flow-path module, the pollutant runner mould are equipped in the clean gas passages
Block is made of pollutant runner modular structure ontology 14 with outer boxboard 13；The pollutant runner modular structure ontology 14 includes
The shape of a saddle top plate 141 of interconnection and side plate 142, the side of the side plate 142, which is obliquely installed and connects, leads hawk 143, institute
It states side plate 142 and ash slot 144 is connected with the bottom for leading hawk 143；Fixed blowback air inside 141 wedge angle of shape of a saddle top plate
Packet 5,5 lower section of blowback gas bag connect anti-blowpipe 6, surface cooler 7 and wind turbine 8 are fixed between the side plate 142.The dirt
It contaminates and vibration cleaning device 12 is equipped in the gas passage of object flow-path module.
The utility model device is applied in welding workshop, to dedusting and purifying air and adjusts indoor temperature and humidity, air inlet
2 mounting heights of mouth are 5.0-6.5 meters, and the mounting height of air outlet 9 is 0.5-2 meters, and installation can be more in above-mentioned height section
Good plays the role of purification and control humiture.
At runtime, the operating of wind turbine 8 can form negative pressuren zone to the utility model device in equipment cavity, constantly by welding plant
In air capture inhalation device to be clean in room, air-flow first passes around air return type and enters in equipment cavity from the blinds that hangs down, one
Point pollutant dust, which hits to fall directly into from the blinds that hangs down in air return type, leads ash-pit 144, after filtering of the another part using filter cylinder 3,
Dust particles and weld fumes are blocked or adsorbed on 3 outside overlay film surface of filter cylinder, and filter cylinder 3 is for 0.3 μm of grain size or more powder
The filter efficiency of dirt more than 99.9%, enter the pure air of clean area after the ejector pipe 4 that converges with it is cold in surface cooler 7
Freeze (heating) recirculated water and carry out hot and humid area, surface cooler 7 is carried out pure air after reducing temperature and humidity (or heating) is handled by wind turbine 8
The region away from ground 0.5-2.0m is uniformly sent to through 9 low wind speed of replaceable ventilating opening.
When equipment operation for a period of time after, many dust can be adhered in the outer wall of filter cylinder 3, pressure difference increases before and after filter cylinder 3
Power consumption increases, and at this moment starts blowback system automatically, carries out reverse gas cleaning to filter cylinder 3, blowback system is mainly by 5 He of blowback gas bag
Anti-blowpipe 6 forms, and when performing blowback, system can control the electromagnetic valve on blowback gas bag 5 to open, due to 6 memory of blowback gas bag
There is the compressed air that pressure is 0.5-0.6MPa, purge gas can be sprayed from the jet port 11 of anti-blowpipe 6 with supersonic speed, flowed through
During confluence ejector pipe 4 with Venturi effect, mass air flow into confluence ejector pipe 4 and can accelerate be diffused into filter cylinder 3 by injection
Cavity in, form gas shock and vibration to filter cylinder 3, portion gas can the reversely discharge (outside cartridge interior to filter cylinder),
The impact and vibration of air-flow can dispose the dust and muffin for being attached to 4 outer surface of filter cylinder, are allowed to fall and leading hawk 143 and sliding
It falls and converges in ash slot 144 in both sides, so as to reach deashing purpose；The air return type at equipment air inlet 2 is mounted at this time to hang down certainly
Blinds can block back draught completely prevents dust from leaking spray unit equipment.The dust being cleaned out passes through unit both sides
Converge and fall into ash slot 144, be finally pooled in the collection ash vehicle 10 of unit bottom, collect grey vehicle 10 and filter ventilation in displaced type
The underface ground of 16 device of unit, salable mechanically or electrically move are toppled over.
The utility model displaced type filtering ventilation unit 16 does not need to design largely in length and breadth in workshop ventilation system schema
Exhaust outlet, dedusting ventilator group and air-supply bucket are connected across workshop air-supply and exhaust duct, as long as locally needing
The distribution of air current composition can be realized in installation displaced type filtering ventilation unit 16 in position.Displaced type filtering ventilation unit 16 can be realized
Flue dust is collected in high concentration region (proper height region) team control high efficiency of 5.5-6.5m weld fumes accumulation and in local weldering
Point upstream air-supply occurs for cigarette receiving dirt, realizes the purpose for lifting pollutant.
Above-described embodiment is only used for illustrating the utility model design of the utility model rather than to the utility model right
The restriction of protection, all non-essential modifications to the present invention made by this concept should all fall into the guarantor of the utility model
Protect range.
Claims (10)
1. displacement formula recycling ventilation group system, which is characterized in that it is in series or in parallel that several are installed in workshop
Or mutually independent displaced type filtering ventilation unit (16), displaced type filtering ventilation unit (16) using upper air inlet,
The dust removal by ventilation mode of lower outlet air, the air outlet (9) of displaced type filtering ventilation unit (16) are 0.5- apart from ground level
2.0 rice.
2. displacement formula recycling ventilation group system as described in claim 1, which is characterized in that further include mounted on factory
The fresh air switch (15) in roof portion.
3. displacement formula recycling ventilation group system as described in claim 1, which is characterized in that the displaced type mistake
It is 5-6.5 meters to filter height of the air inlet (2) of ventilation unit (16) apart from ground.
4. displacement formula recycling ventilation group system as described in claim 1, which is characterized in that the displaced type mistake
Filter ventilation unit (16) includes housing (1), and contaminant gases channel, filter cylinder (3) and clean gas are included in the housing (1)
Channel, housing (1) top are equipped with air inlet (2), and lower part is equipped with air outlet (9)；The filter cylinder (3) is arranged on air inlet
(2) inboard, the outlet of filter cylinder (3) are connected to clean gas passages, and the end of clean gas passages is connected to air outlet (9).
5. displacement formula recycling ventilation group system as claimed in claim 4, which is characterized in that in the clean gas
Blowback system and wind turbine (8) are provided in body channel.
6. displacement formula recycling ventilation group system as claimed in claim 5, which is characterized in that the filter cylinder (3)
Confluence ejector pipe (4) is equipped between clean gas passages, the blowback system includes blowback gas bag (5) and anti-blowpipe (6),
The anti-blowpipe (6) is equipped with jet port (11), and the jet port (11) is positioned at confluence ejector pipe (4) lower inside.
7. displacement formula recycling ventilation group system as claimed in claim 5, which is characterized in that the wind turbine (8)
For frequency conversion fan.
8. displacement formula recycling ventilation group system as described in claim 1, which is characterized in that the group system is placed in
In large space.
9. displacement formula recycling ventilation group system as claimed in claim 5, which is characterized in that the wind turbine (8)
Top installation surface cooler (7).
10. displacement formula recycling ventilation group system as claimed in claim 4, which is characterized in that the clean gas
Be equipped with pollutant flow-path module in body channel, the pollutant flow-path module by pollutant runner modular structure ontology (14) with
Outer boxboard (13) composition；
Shape of a saddle top plate (141) and side plate (142) of the pollutant runner modular structure ontology (14) including interconnection,
The side of the side plate (142), which is obliquely installed and connects, leads hawk (143), the side plate (142) and the bottom for leading hawk (143)
Connect ash slot (144)；Fixed blowback gas bag (5), the blowback gas bag inside described shape of a saddle top plate (141) wedge angle
(5) lower section connects anti-blowpipe (6), and surface cooler (7) and wind turbine (8) are fixed between the side plate (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523479.2U CN207527815U (en) | 2017-11-15 | 2017-11-15 | Displacement formula recycling ventilation group system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523479.2U CN207527815U (en) | 2017-11-15 | 2017-11-15 | Displacement formula recycling ventilation group system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527815U true CN207527815U (en) | 2018-06-22 |
Family
ID=62583040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721523479.2U Active CN207527815U (en) | 2017-11-15 | 2017-11-15 | Displacement formula recycling ventilation group system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772079A (en) * | 2017-11-15 | 2019-05-21 | 大连兆和环境科技股份有限公司 | Displacement formula recycling ventilation group system |
| CN111174377A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔空调器有限总公司 | Control method and device of air conditioner cluster, air conditioner cluster and intelligent home system |
-
2017
- 2017-11-15 CN CN201721523479.2U patent/CN207527815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772079A (en) * | 2017-11-15 | 2019-05-21 | 大连兆和环境科技股份有限公司 | Displacement formula recycling ventilation group system |
| CN109772079B (en) * | 2017-11-15 | 2023-12-19 | 苏州兆和空气系统股份有限公司 | Efficient replacement type recirculating ventilation cluster system |
| CN111174377A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔空调器有限总公司 | Control method and device of air conditioner cluster, air conditioner cluster and intelligent home system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Floor 4, No. 300, Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215156 Patentee after: Suzhou Zhaohe Air System Co.,Ltd. Address before: 116600 No.8, digital3 Road, shuangd port, Jinzhou new district, Dalian City, Liaoning Province Patentee before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Xiang Inventor after: Lin Hongzhu Inventor after: Yao Weiqiang Inventor after: Wang Xu Inventor after: Li Jian Inventor after: Zhao Xinxin Inventor after: Wang Qixing Inventor before: Lin Hongzhu Inventor before: Yao Weiqiang Inventor before: Wang Xu Inventor before: Li Jian Inventor before: Zhao Xinxin Inventor before: Wang Qixing |
|
| CB03 | Change of inventor or designer information |