CN204093163U - Filtration membrane cartridge - Google Patents
Filtration membrane cartridge Download PDFInfo
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- CN204093163U CN204093163U CN201420575681.XU CN201420575681U CN204093163U CN 204093163 U CN204093163 U CN 204093163U CN 201420575681 U CN201420575681 U CN 201420575681U CN 204093163 U CN204093163 U CN 204093163U
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Abstract
The utility model provides a kind of filtration membrane cartridge, comprising: filtration membrane cartridge body, and filtration membrane cartridge body comprises multiple lamination stacked successively, and the outer face of adjacent laminates is all not concordant with inner face, and is provided with support member between adjacent laminates.The filtration membrane cartridge that the utility model provides, not only plays a supporting role constantly to the secondary film formation of described filter membrane or basement membrane outer surface, can also carry out the control of fouling membrane in real time to filter membrane or secondary film in time and clean.
Description
Technical field
The utility model relates to the filter membrane in fluid components filtration, isolation andpurification field, in particular to a kind of filtration membrane cartridge.
Background technology
Being separated and filtering specific components (comprising solid particle, colloid, larger molecular organics, soluble inorganic salt, aerosol etc.) from fluid is requisite technique in many fields, comprises bioscience, Chemical Manufacture, test in laboratory, food_beverage industry, smoke gas treatment, electronics industry and water treatment field etc.And membrane separation technique is technique conventional in fluid components filtration, isolation andpurification.
Be cut off with artificial membrane, and utilize in film both sides with artificially being formed, the difference of the transport motive force in different phase (typically referring between fluid and fluid) between same composition or in same phase between each constituents, the method that related component is separated, be referred to as membrane separation technique.Membrane separation technique comprises electrodialysis, counter-infiltration, nanofiltration, ultrafiltration and micro-filtration etc.In the process of membrane filtration, the colloid in solution and suspended particulate are trapped or are adsorbed on film surface under the effect of the pressure and form cake layer, and cause the decline of membrane flux, this phenomenon is called fouling membrane.In membrane separation process process, fouling membrane should do one's utmost to avoid or control.Although but many scientific researches find that cake layer can make energy consumption increase, it contributes to retaining small-particle, improves isolated by filtration performance.And compared with the non-dynamic film of same apertures, its permeability is also better.These advantages make the research of Dynamic Membrane become positive utilization by the suppression of passiveness.
Dynamic Membrane is that on porous carrier, particle deposition is formed, can be called secondary film again, its essence is exactly the concentration polarization of carrier module when cross-flow filtration and cake layer-particle defines at carrier surface the rete that one deck has micro-filtration or ultrafiltration characteristics under the effect of various mechanism.The assembly that can serve as now Dynamic Membrane carrier has: the porous inorganic materials such as pottery, sintered glass, sintering metal, carbon; Cellulose family, polyamide-based, the polymeric membrane such as aromatic heterocyclic, polysulfones, TPO, silicone rubber kinds, and these polymeric membranes are also referred to as basement membrane sometimes.
Compared with traditional membrane technology, Dynamic Membrane remains most of advantage of membrane module, and has following advantage: (1) energy consumption is low-filtration resistance than ultrafiltration and little 1 one 2 orders of magnitude of micro-filtration, water outlet of can flowing automatically under gravity; (2) effluent flux large-compared with conventional membrane bioreactor, flux improves several times even tens times; (3) easy-simple gas-liquid backwash of regeneration can obtain flux recovery very; (4) prices of raw and semifnished materials are cheap, and the price of such as basement membrane only has the part of milipore filter.
But Dynamic Membrane also has fatal defect.Along with the growth of running time, the thickness of secondary film increases gradually, its structure also changes (density increases), thus both sides differential pressure of membrane is increased, destroy the separating layer of Dynamic Membrane under pressure, cause the collapse of Dynamic Membrane system and lost efficacy, therefore, needing to develop that a kind of structure is simple, fluid components filters and separative efficiency is high, fouling membrane and the good filtration membrane cartridge of control effects.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide that a kind of structure is simple, fluid components filters and separative efficiency is high, fouling membrane and the good filtration membrane cartridge of control effects.
In view of this, the utility model provides a kind of filtration membrane cartridge, it comprises filtration membrane cartridge body, described filtration membrane cartridge body comprises: multiple lamination stacked successively, the middle part of described lamination is provided with through hole, the described through hole of multiple described lamination connects and composes the water-dilution channel of described filtration membrane cartridge body, support member is provided with between adjacent described lamination, to make the having gap flow through for fluid between described adjacent laminates, and the outer face of adjacent described lamination is not concordant and the inner face of adjacent described lamination is not concordant yet; Sealing plate, described sealing plate is positioned at one end of described filtration membrane cartridge body, and seals one end of described water-dilution channel; And connector, multiple described lamination and described sealing plate link together and form described filtration membrane cartridge body by described connector.
The filtration membrane cartridge that the utility model provides, the outer face of adjacent laminates is not concordant, makes the outer surface of filtration membrane cartridge form groove.When fluid flows into water-dilution channel by the outer surface of filtration membrane cartridge via the gap between lamination, will lamination be clashed into, and form turbulent flow at groove place.Particle in turbulent convection body applies and body fluid direction opposite effect power, makes particle carry out reciprocating motion by a small margin and rest near rack surface.Like this, under the acting in conjunction of particle turbulent flow in the trench and body fluid flowing, rest on the setpoint distance place of distance bracket body outer surface, the setpoint distance place outside filtration membrane cartridge outer surface is gathered in gradually along with particle, they directly form described filter membrane with the reagent acting in conjunction such as additional flocculant in fluid or surfactant in the distance that rack outer surface sets, or particle are directly gone up at basement membrane (being supported by rack outer surface) form secondary film.The inner face of adjacent laminates is not concordant, namely the diameter of water-dilution channel inconsistent, change, when flowing in the water-dilution channel of the fluid after then filtering in rack body, when passage becomes minor diameter from major diameter suddenly, due to the transient change etc. of fluid pressure differential, segment fluid flow can along the gap backflow generation backflow active force between lamination, the turbulent flow at strengthening groove place further, thus forms support and cleaning action to the secondary film of described filter membrane or basement membrane outer surface further.Support member is provided with between adjacent laminates, make that there is between adjacent laminates enough gaps, also ensure that the width of groove simultaneously, and then ensure that and can produce stronger turbulent flow at groove place, make filter membrane or secondary film can remain on the setpoint distance of distance bracket proximity; In addition, turbulent flow in groove makes the filter membrane near rack surface or epilamellar secondary film generation irregular reciprocating motion by a small margin, in time filter membrane or secondary film are cleaned, control the pollution of film in real time, avoid film by dirt contamination.
In addition, the filtration membrane cartridge in above-described embodiment of providing of the utility model can also have following additional technical feature:
According to an embodiment of the present utility model, the thickness of adjacent described lamination is not identical, and the thickness of described lamination is between 0.1mm ~ 1.2mm.
According to an embodiment of the present utility model, described support member is be arranged on the projection on described lamination, lamination described in each is provided with described projection.
According to an embodiment of the present utility model, lamination described in each is provided with multiple described projection, and multiple described projection is uniform along the circumference of described lamination, and the protrusion direction of described projection on adjacent described lamination is identical.
According to an embodiment of the present utility model, described projection and described lamination are integral type structure.
According to an embodiment of the present utility model, in described filtration membrane cartridge body, the inner face of described lamination is provided with the first groove, described first groove on adjacent described lamination is crisscross arranged, and/or, the outer face of described lamination is provided with the second groove, described second groove on adjacent described lamination is crisscross arranged.
According to an embodiment of the present utility model, multiple described lamination comprises the first lamination and the second lamination, and the first lamination described and described the second lamination are arranged alternately.
According to an embodiment of the present utility model, filtration membrane cartridge also comprises: also comprise: outlet pipe and mounting flange; Described outlet pipe is connected with the other end of described water-dilution channel, can by the fluid expulsion in described water-dilution channel; Described mounting flange is connected with one end of described filtration membrane cartridge body, for fixedly mounting described filtration membrane cartridge body.
According to an embodiment of the present utility model, described outlet pipe and described mounting flange are integral type structure, and described outlet pipe is positioned at the middle part of described mounting flange.
According to an embodiment of the present utility model, described connector is bolt, and described bolt, through after described sealing plate, lamination described in each, is connected with described mounting flange.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the plan structure schematic diagram of filtration membrane cartridge described in the utility model;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram;
Fig. 3 is the structure for amplifying schematic diagram in B portion in Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram in D portion in Fig. 2;
Fig. 5 is the plan structure schematic diagram that multiple lamination described in Fig. 1 matches;
Fig. 6 be in Fig. 5 C-C to sectional structure schematic diagram.
Wherein, the corresponding relation in Fig. 1 to Fig. 6 between Reference numeral and component names is:
1 filtration membrane cartridge body, 2 laminations, 201 through holes, 202 is protruding, 3 water-dilution channels, 4 sealing plates, 5 connectors, 6 outlet pipes, 7 mounting flanges.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 6, filtration membrane cartridge according to some embodiments of the utility model is described.
As shown in Figure 1, Figure 2 and Figure 3, the filtration membrane cartridge that the utility model provides, comprises filtration membrane cartridge body 1, and filtration membrane cartridge body 1 comprises: multiple lamination 2, sealing plate 4 and connector 5 stacked successively.
Particularly, the middle part of lamination 2 is provided with through hole 201, the through hole 201 of multiple lamination 2 connects and composes the water-dilution channel 3 of filtration membrane cartridge body 1, support member is provided with between adjacent laminates 2, to make that there is between adjacent laminates 2 gap flow through for fluid, as shown in Figure 3 and Figure 4, and the outer face of adjacent laminates 2 is not concordant and the inner face of adjacent laminates 2 is not concordant yet; Sealing plate 4 is positioned at one end of filtration membrane cartridge body 1, and seals one end of water-dilution channel 3; Multiple lamination 2 and sealing plate 4 link together and form filtration membrane cartridge body 1 by connector 5.
The filtration membrane cartridge that the utility model provides, the outer face of adjacent laminates 2 is not concordant, makes the outer surface of filtration membrane cartridge form groove.When fluid flows into water-dilution channel by the outer surface of filtration membrane cartridge via the gap between lamination 2, lamination 2 will be clashed into, and form turbulent flow at groove place.Particle in turbulent convection body applies and body fluid direction opposite effect power, makes particle carry out reciprocating motion by a small margin and rest near rack surface.Like this, under the acting in conjunction of particle turbulent flow in the trench and body fluid flowing, rest on the setpoint distance place of distance bracket body outer surface, the setpoint distance place outside filtration membrane cartridge outer surface is gathered in gradually along with particle, they directly form described filter membrane with the reagent acting in conjunction such as additional flocculant in fluid or surfactant in the distance that rack outer surface sets, or particle are directly gone up at basement membrane (being supported by rack outer surface) form secondary film.The inner face of adjacent laminates 2 is not concordant, namely the diameter of water-dilution channel inconsistent, change, when flowing in the water-dilution channel of the fluid after then filtering in rack body, when passage becomes minor diameter from major diameter suddenly, due to the transient change etc. of fluid pressure differential, segment fluid flow can along the gap backflow generation backflow active force between lamination 2, the turbulent flow at strengthening groove place further, thus forms support and cleaning action to the secondary film of described filter membrane or basement membrane outer surface further.Support member is provided with between adjacent laminates 2, make, between adjacent laminates 2, there is enough gaps, also ensure that the width of groove simultaneously, and then ensure that and can produce stronger turbulent flow at groove place, make filter membrane or secondary film can remain on the setpoint distance of distance bracket proximity; In addition, turbulent flow in groove makes the filter membrane near rack surface or epilamellar secondary film generation irregular reciprocating motion by a small margin, in time filter membrane or secondary film are cleaned, control the pollution of film in real time, avoid film by dirt contamination.
It should be noted that, when the thickness of filter membrane and packing do not reach preset value, filter membrane can not filter effectively to the fluid polluted, and the fluid now flowing through lamination 2 surface is the fluid polluted; When the thickness of filter membrane and packing reach preset value, effectively can filter the fluid polluted, the fluid now flowing through lamination 2 surface is the fluid of the cleaning after filtering.
In addition, the altitude range of support member is 0.05mm ~ 0.5mm, and preferably, the height of support member is 0.08mm.
In an embodiment of the present utility model, the thickness of adjacent laminates 2 is not identical, and the thickness of lamination 2 is between 0.1mm ~ 1.2mm.
In this embodiment, the thickness of lamination 2 is in above-mentioned scope, ensure that there are enough contact surfaces the outer face of fluid and lamination 2, thus after ensure that fluid impact lamination 2, stronger turbulent flow can be formed at groove place, filter membrane or basement membrane is made to remain on the distance of rack outer surface setting, simultaneously, the thickness avoiding lamination 2 is too little or too large, after fluid impact lamination 2, the insufficient strength of turbulent flow or turbulent flow can not be formed, cause effectively being formed filter membrane or can not the pollution of controlling diaphragm effectively in real time.
In an embodiment of the present utility model, as shown in Figure 4, Figure 5 and Figure 6, support member is the projection 202 be arranged on lamination 2, each lamination 2 is provided with protruding 202.
In an embodiment of the present utility model, as shown in Figure 4, Figure 5 and Figure 6, each lamination 2 is provided with multiple protruding 202, and multiple protruding 202 uniform along the circumference of lamination 2, and the protrusion direction of projection 202 in adjacent laminates 2 is identical.
In this embodiment, the setting of protruding 202, makes to have enough gaps between adjacent laminates 2, thus ensure that the width of groove, and then ensure that and can produce stronger turbulent flow at groove place, namely ensure that turbulent flow can produce stronger active force, make filter membrane remain on setpoint distance.
In a specific embodiment of the present utility model, projection 202 and lamination 2 are integral type structure.
In this embodiment, projection 202 and lamination 2 are integral type structure, ensure that the bonding strength between protruding 202 and lamination 2 on the one hand, thus reduce the probability that there occurs fracture between protruding 202 and lamination 2, thus improve the dependability of product, protruding 202 can be made into integration with lamination 2 on the other hand, thus improve production efficiency, and then reduce the manufacturing cost of product.
In an embodiment of the present utility model, in filtration membrane cartridge body 1, the inner face of lamination 2 is provided with the first groove, the first groove in adjacent laminates 2 is crisscross arranged, and/or the outer face of lamination 2 is provided with the second groove, the second groove in adjacent laminates 2 is crisscross arranged.
In this embodiment, the outer face of adjacent laminates 2 is not concordant, makes the outer surface of filtration membrane cartridge form groove, the setting of the first groove, when making fluid impact lamination 2, easier in groove place formation turbulent flow; The setting of the second groove, the diameter of water-dilution channel can be made to change more obvious, thus when ensure that fluid by passage, it is more obvious that pressure reduction converts, the backflow active force that segment fluid flow can be produced along the gap backflow between lamination is stronger, the turbulent flow at further strengthening groove place, thus further support and cleaning action are formed to the secondary film of described filter membrane or basement membrane outer surface.
In an embodiment of the present utility model, multiple lamination 2 comprises the first lamination and the second lamination, and the first lamination and the second lamination are arranged alternately.
In an embodiment of the present utility model, filtration membrane cartridge also comprises: outlet pipe 6 and mounting flange 7; Outlet pipe 6 is connected with the other end of water-dilution channel 3, can by the fluid expulsion in water-dilution channel 3; Mounting flange 7 is connected with one end of filtration membrane cartridge body 1, for fixedly mounting filtration membrane cartridge body 1.
In an embodiment of the present utility model, outlet pipe 6 and mounting flange 7 are integral type structure, and outlet pipe 6 is positioned at the middle part of mounting flange 7.
In this embodiment, outlet pipe 6 and mounting flange 7 are integral type structure, on the one hand, ensure that the bonding strength between outlet pipe 6 and mounting flange 7, thus reduce the probability occurring between outlet pipe 6 and mounting flange 7 to rupture, and then add the dependability of product, on the other hand, outlet pipe 6 and mounting flange 7 can be made into integration, thus improve the production efficiency of product, and then reduce the manufacturing cost of product.
In a specific embodiment of the present utility model, connector 5 is bolt, and bolt, through after sealing plate 4, each lamination 2, is connected with mounting flange 7.
In the utility model, term " first ", " second " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; " being connected " can be directly be connected, and also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In description of the present utility model, it will be appreciated that, term " on ", the orientation of the instruction such as D score or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or unit must have specific direction, with specific azimuth configuration and operation, therefore, can not be interpreted as restriction of the present utility model.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
By filtration membrane cartridge of the present utility model, in the groove of rack outer surface, form turbulent flow thus make the generation of the particle in fluid irregular reciprocating motion by a small margin, can not only promote like this particle directly and in fluid the mutual effect of the Reagent evaluation such as additional flocculating agents or surfactant form described filter membrane at the setpoint distance place of rack outer surface, or make particle directly above form secondary film at basement membrane (being supported by rack outer surface), and make described filter membrane or epilamellar secondary film can remain on the setpoint distance of distance bracket proximity and form supporting role constantly to them, control membrane fouling and clean in real time can also be carried out in time to filter membrane or secondary film.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a filtration membrane cartridge, comprises filtration membrane cartridge body, it is characterized in that, described filtration membrane cartridge body comprises:
Multiple lamination stacked successively, the middle part of described lamination is provided with through hole, the described through hole of multiple described lamination connects and composes the water-dilution channel of described filtration membrane cartridge body, support member is provided with between adjacent described lamination, to make the having gap flow through for fluid between described adjacent laminates, and the outer face of adjacent described lamination is not concordant and the inner face of adjacent described lamination is not concordant yet;
Sealing plate, described sealing plate is positioned at one end of described filtration membrane cartridge body, and seals one end of described water-dilution channel; With
Connector, multiple described lamination and described sealing plate link together and form described filtration membrane cartridge body by described connector.
2. filtration membrane cartridge according to claim 1, is characterized in that,
The thickness of adjacent described lamination is not identical, and the thickness of described lamination is between 0.1mm ~ 1.2mm.
3. filtration membrane cartridge according to claim 1, is characterized in that,
Described support member is be arranged on the projection on described lamination, lamination described in each is provided with described projection.
4. filtration membrane cartridge according to claim 3, is characterized in that,
Lamination described in each is provided with multiple described projection, and multiple described projection is uniform along the circumference of described lamination, and the protrusion direction of described projection on adjacent described lamination is identical.
5. filtration membrane cartridge according to claim 4, is characterized in that,
Described projection and described lamination are integral type structure.
6. filtration membrane cartridge according to claim 1, is characterized in that,
In described filtration membrane cartridge body, the inner face of described lamination is provided with the first groove, described first groove on adjacent described lamination is crisscross arranged, and/or, the outer face of described lamination is provided with the second groove, described second groove on adjacent described lamination is crisscross arranged.
7. filtration membrane cartridge according to any one of claim 1 to 6, is characterized in that,
Multiple described lamination comprises the first lamination and the second lamination, and the first lamination described and described the second lamination are arranged alternately.
8. filtration membrane cartridge according to claim 7, is characterized in that,
Also comprise: outlet pipe and mounting flange;
Described outlet pipe is connected with the other end of described water-dilution channel, the water in described water-dilution channel can be discharged;
Described mounting flange is connected with one end of described filtration membrane cartridge body, for fixedly mounting described filtration membrane cartridge body.
9. filtration membrane cartridge according to claim 8, is characterized in that,
Described outlet pipe and described mounting flange are integral type structure, and described outlet pipe is positioned at the middle part of described mounting flange.
10. filtration membrane cartridge according to claim 9, is characterized in that,
Described connector is bolt, and described bolt, through after described sealing plate, lamination described in each, is connected with described mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575681.XU CN204093163U (en) | 2014-09-30 | 2014-09-30 | Filtration membrane cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575681.XU CN204093163U (en) | 2014-09-30 | 2014-09-30 | Filtration membrane cartridge |
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| Publication Number | Publication Date |
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| CN204093163U true CN204093163U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420575681.XU Active CN204093163U (en) | 2014-09-30 | 2014-09-30 | Filtration membrane cartridge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906859A (en) * | 2015-06-19 | 2015-09-16 | 奥源科技有限公司 | Filtering membrane bracket |
| CN104923084A (en) * | 2015-06-24 | 2015-09-23 | 上海鑫霖环境科技有限公司 | Internal-external pressure pre-coating type dynamic membrane support and dynamic membrane system |
| WO2016000439A1 (en) * | 2014-07-01 | 2016-01-07 | 奥源科技有限公司 | Waste water treatment system and waste water treatment method |
| WO2016000438A1 (en) * | 2014-07-01 | 2016-01-07 | 奥源科技有限公司 | Filtration membrane support and method of producing filtration membrane |
| CN109574410A (en) * | 2019-01-03 | 2019-04-05 | 清华大学 | A kind of Sewage Biological Treatment dynamic membrane device and application method |
| CN115487585A (en) * | 2022-11-21 | 2022-12-20 | 泰州锦和温室设备有限公司 | Filter for greenhouse drip irrigation system |
-
2014
- 2014-09-30 CN CN201420575681.XU patent/CN204093163U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000439A1 (en) * | 2014-07-01 | 2016-01-07 | 奥源科技有限公司 | Waste water treatment system and waste water treatment method |
| WO2016000438A1 (en) * | 2014-07-01 | 2016-01-07 | 奥源科技有限公司 | Filtration membrane support and method of producing filtration membrane |
| CN104906859A (en) * | 2015-06-19 | 2015-09-16 | 奥源科技有限公司 | Filtering membrane bracket |
| CN104923084A (en) * | 2015-06-24 | 2015-09-23 | 上海鑫霖环境科技有限公司 | Internal-external pressure pre-coating type dynamic membrane support and dynamic membrane system |
| CN109574410A (en) * | 2019-01-03 | 2019-04-05 | 清华大学 | A kind of Sewage Biological Treatment dynamic membrane device and application method |
| CN115487585A (en) * | 2022-11-21 | 2022-12-20 | 泰州锦和温室设备有限公司 | Filter for greenhouse drip irrigation system |
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Owner name: AOYUAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING KEDASI TECHNOLOGY CO., LTD. Effective date: 20150717 |
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Effective date of registration: 20150717 Address after: 100006 Beijing city Dongcheng District Wangfujing Street No. 8 Macao Center Room 802 Patentee after: AOYUAN TECHNOLOGY CO., LTD. Address before: 100176, Beijing, Beijing Daxing District economic and Technological Development Zone, No. 18 West Ring Road, C building, room 515-5, room 5 Patentee before: BEIJING KEDASI TECHNOLOGY CO., LTD. |
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Effective date of registration: 20160906 Address after: 201900 5505-M room, No. 1508, Mudanjiang Road, Shanghai, Baoshan District Patentee after: Shanghai samyo Fluid Technology Co. Ltd. Address before: 100006 Beijing city Dongcheng District Wangfujing Street No. 8 Macao Center Room 802 Patentee before: AOYUAN TECHNOLOGY CO., LTD. |