CN204337885U - Filtration membrane cartridge and filter - Google Patents
Filtration membrane cartridge and filter Download PDFInfo
- Publication number
- CN204337885U CN204337885U CN201420698428.3U CN201420698428U CN204337885U CN 204337885 U CN204337885 U CN 204337885U CN 201420698428 U CN201420698428 U CN 201420698428U CN 204337885 U CN204337885 U CN 204337885U
- Authority
- CN
- China
- Prior art keywords
- filtration membrane
- membrane cartridge
- fluid
- rack body
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model provides a kind of filtration membrane cartridge and filter, and wherein, filtration membrane cartridge comprises: filter house, support portion and sealing plate, and filter house comprises multiple lamination stacked successively, has the gap flow through for fluid between adjacent laminates; The two ends of each lamination of filter house are fixedly connected on support portion and form rack body, and the inside of rack body is provided with for fluid by clear water chamber; Sealing plate is positioned at one end of rack body.The filtration membrane cartridge that the utility model provides, fluid is crossed in the face being only provided with filter house, reduce over the area by fluid of filter holder, thus improve the speed of the fluid by gap, lamination is made to produce stronger vibration, also can strengthen the reciprocal flowing of the fluid between gap, the effect that its acting in conjunction will be strengthened filtration membrane cartridge external setting-up distance filter membrane simultaneously, improve the self-cleaning function of filter membrane.
Description
Technical field
The utility model relates to the filter in fluid components filtration, isolation andpurification field, in particular to a kind of filtration membrane cartridge and the filter with this filtration membrane cartridge.
Background technology
At present, in prior art, the outer peripheral face of filtration membrane cartridge is provided with multiple gap, and fluid enters in the clear water chamber of filtration membrane cartridge by gap, and fluid is less by the flow velocity in gap, after filter membrane is formed, the vibration of lamination is less, and the motion of the particle in filter membrane is more weak, after causing the thickness of filter membrane to increase, filter membrane automatically cleaning effect is bad, and the filter efficiency of filter membrane is poor.
Utility model content
In order to solve the problems of the technologies described above, an object of the present utility model is the filtration membrane cartridge providing a kind of filter membrane automatically cleaning effective.
Another object of the present utility model is to provide a kind of filter with above-mentioned filtration membrane cartridge.
In view of this, the embodiment of the utility model first aspect provides a kind of filtration membrane cartridge, comprising: filter house, and described filter house comprises multiple lamination stacked successively, has the gap flow through for fluid between adjacent described lamination; Support portion, the two ends of lamination described in each of described filter house are fixedly connected on described support portion and form rack body, and the inside of described rack body is provided with for fluid by clear water chamber; And sealing plate, described sealing plate is positioned at one end of described rack body, and seals the one end in described clear water chamber.
The filtration membrane cartridge that the utility model provides, according to fluid structurecoupling principle (solid produces deformation or motion under the effect of fluid-load), when fluid flows through lamination surperficial, lamination is made to produce vibration, this vibration can to the macromolecular substances in pending fluid, the applyings such as particle and direction of fluid flow opposite effect power, by macromolecular substances, particle pushes away the surface of rack body, macromolecular substances, particle vibration and fluid stream acting in conjunction under, remain on the setpoint distance place of distance bracket body outer surface, along with macromolecular substances, the setpoint distance place of particular aggregation over time outside filtration membrane cartridge outer surface, define filter membrane, and fluid is crossed in the face being only provided with filter house due to this filtration membrane cartridge, reduce over the area by fluid of filter holder, thus improve the speed of the fluid by gap, lamination is made to produce stronger vibration, also can strengthen the reciprocal flowing of the fluid between gap simultaneously, the effect that its acting in conjunction will be strengthened filtration membrane cartridge external setting-up distance filter membrane, improve the self-cleaning function of filter membrane.
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, described filtration membrane cartridge comprises a described filter house and a described support portion, and the cross sectional shape of described rack body is annular.
According to an embodiment of the present utility model, described filtration membrane cartridge comprises two described filter houses and two described support portions, and described filter house and described support portion are arranged alternately, and the cross sectional shape of described rack body is rectangle.
According to an embodiment of the present utility model, the outer face of adjacent laminates is not concordant, and/or the inner face of adjacent described lamination is not concordant.
According to an embodiment of the present utility model, along direction straight up, the girth being positioned at the sidewall of the described rack body of top is greater than the girth of the sidewall of the described rack body being positioned at below.
According to an embodiment of the present utility model, along direction straight up, the girth of the sidewall of described rack body increases gradually.
According to an embodiment of the present utility model, along direction straight up, on same described filter house, the height being positioned at the described gap of top is greater than the height in the described gap being positioned at below.
According to an embodiment of the present utility model, along direction straight up, the height in described gap increases gradually.
According to an embodiment of the present utility model, filtration membrane cartridge also comprises: outlet pipe, and described outlet pipe is connected with the other end in described clear water chamber, the water in described clear water chamber can be discharged; And mounting flange, one end of described mounting flange and described rack body is connected to a fixed.
The embodiment of the utility model second aspect provides a kind of filter, and comprise filtering tank and the filtration membrane cartridge described in above-mentioned any one, described filtration membrane cartridge is arranged in described filtering tank.
The filtration membrane cartridge that the filter that the embodiment of the utility model second aspect provides is provided by the embodiment arranging first aspect, reduce over the area by fluid of filter holder, thus improve the speed of the fluid by gap, lamination is made to produce stronger vibration, also can strengthen the reciprocal flowing of the fluid between gap simultaneously, the effect that its acting in conjunction will be strengthened filtration membrane cartridge external setting-up distance filter membrane, improves the self-cleaning function of filter membrane.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model
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 structural representation of filtration membrane cartridge first embodiment described in the utility model;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram;
Fig. 3 be in Fig. 1 B-B to sectional structure schematic diagram;
Fig. 4 is the structure for amplifying schematic diagram in C portion in Fig. 3;
Fig. 5 is the structure for amplifying schematic diagram in D portion in Fig. 3;
Fig. 6 is the structural representation of filtration membrane cartridge second embodiment described in the utility model;
Fig. 7 be in Fig. 6 E-E to sectional structure schematic diagram;
Fig. 8 be in Fig. 6 F-F to sectional structure schematic diagram;
Fig. 9 is the structure for amplifying schematic diagram in G portion in Fig. 8;
Figure 10 is the structure for amplifying schematic diagram in H portion in Fig. 8.
Wherein, the corresponding relation in Fig. 1 to Figure 10 between Reference numeral and component names is:
1 rack body, 11 filter houses, 111 laminations, 112 gaps, 12 support portions, 13 sealing plates, 14 outlet pipes, 15 mounting flanges, 16 clear water chambeies.
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 Figure 10, filtration membrane cartridge according to some embodiments of the utility model is described.
As shown in Figures 1 to 10, the filtration membrane cartridge that the embodiment of the utility model first aspect provides comprises: filter house 11, support portion 12 and sealing plate 13.
Particularly, filter house 11 comprises multiple lamination 111 stacked successively, has the gap 112 flow through for fluid between adjacent laminates 111; The two ends of each lamination 111 of filter house 11 are fixedly connected on support portion 12 and form rack body 1, and the inside of rack body 1 is provided with for fluid by clear water chamber 16; Sealing plate 13 is positioned at one end of rack body 1, and seals the one end in clear water chamber 16.
In a specific embodiment of the present utility model, as shown in Figure 1, Figure 2 and Figure 3, filtration membrane cartridge comprises two filter houses 11 and two support portions 12, and filter house 11 and support portion 12 are arranged alternately, and the cross sectional shape of rack body 1 is rectangle.
In another specific embodiment of the present utility model, as shown in Fig. 6, Fig. 7 and Fig. 8, filtration membrane cartridge comprises a filter house 11 and a support portion 12, and the cross sectional shape of rack body 1 is annular.
The filtration membrane cartridge that the utility model provides, according to fluid structurecoupling principle (solid produces deformation or motion under the effect of fluid-load), when fluid flows through lamination 111 surperficial, lamination 111 is made to produce vibration, this vibration can to the macromolecular substances in pending fluid, the applyings such as particle and direction of fluid flow opposite effect power, by macromolecular substances, particle pushes away the surface of rack body 1, macromolecular substances, particle vibration and fluid stream acting in conjunction under, remain on the setpoint distance place of distance bracket body 1 outer surface, along with macromolecular substances, the setpoint distance place of particular aggregation over time outside filtration membrane cartridge outer surface, define filter membrane, and fluid is crossed in the face being only provided with filter house 11 due to this filtration membrane cartridge, reduce over the area by fluid of filter holder, thus improve the speed of the fluid by gap 112, lamination 111 is made to produce stronger vibration, also can strengthen the reciprocal flowing of the fluid between gap 112 simultaneously, the effect that its acting in conjunction will be strengthened filtration membrane cartridge external setting-up distance filter membrane, improve the self-cleaning function of filter membrane.
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 pending fluid, and the fluid now flowing through lamination 111 surface is pending fluid; When the thickness of filter membrane and packing reach preset value, effectively can filter pending fluid, the fluid now flowing through lamination 111 surface is the clean fluid after filtering.
In an embodiment of the present utility model, the thickness of adjacent laminates 111 is not identical.
In this embodiment, the thickness of adjacent laminates 111 is not identical, it is also not identical that lamination 111 vibrates the frequency produced, cancel out each other after avoiding the vibration superposition of same frequency, macromolecular substances in fluid, particle etc. can not be pushed away the outer surface of rack body 1, and then filter membrane can not be formed at the setpoint distance place of distance bracket body 1 outer surface.
In an embodiment of the present utility model, support member is be arranged on the projection on lamination 111, and each lamination 111 is provided with projection.
In this embodiment, projection is provided with between adjacent laminates 111, make that there is between adjacent laminates 111 enough gaps 112, thus ensure that enough fluids flow through the surface of lamination 111, namely ensure that fluid has enough large load and is applied on lamination 111, make lamination 111 produce vibration.
In addition, when lamination 111 vibrates, projection on this lamination 111 can be knocked and adjacent lamination 111, adjacent lamination 111 is made to produce vibration, when adjacent laminates 111 is vibrated, the projection on it can apply an impulsive force conversely to this lamination 111, enhances the vibration of this lamination 111, ringing like this, enhances the effect that lamination 111 vibrates.
In an embodiment of the present utility model, as shown in Fig. 4, Fig. 5, Fig. 9 and Figure 10, the outer face of adjacent laminates 111 is not concordant, and/or the inner face of adjacent laminates 111 is not concordant.
In this embodiment, the outer face of adjacent laminates 111 is not concordant, the outer surface of rack body 1 is made to form groove, when when fluid impact lamination 111, eddy current can be formed at groove place, eddy current is to the macromolecular substances in the fluid in fluid, the applyings such as particle and direction of fluid flow opposite effect power, thus add the effect of lamination 111 vibration, can more effectively by the macromolecular substances in fluid, particles etc. push away the surface of rack body 1, macromolecular substances in fluid, particles etc. are under the acting in conjunction of eddy current and fluid, remain on the setpoint distance place of distance bracket body 1 outer surface, along with the macromolecular substances in fluid, particles etc. are gathered in the setpoint distance place outside rack body 1 outer surface gradually, define filter membrane, the diameter in the not concordant i.e. clear water chamber of inner face of adjacent laminates 111 is inconsistent, change, when then flowing in the clear water chamber of fluid in rack body 1, when becoming minor diameter from major diameter, segment fluid flow along the gap backflow between lamination 111 or can do backflow active force, the eddy current at further strengthening groove place, thus further support is formed to filter membrane, support member is provided with between adjacent laminates 111, make that there is between adjacent laminates 111 enough gaps 112, thus ensure that the width of groove, and then ensure that and can produce stronger eddy current at groove place, namely ensure that eddy current can produce stronger active force, make filter membrane remain on setpoint distance.
In an embodiment of the present utility model, along direction straight up, the girth being positioned at the sidewall of the rack body 1 of top is greater than the girth of the sidewall of the rack body 1 being positioned at below.
In this embodiment, girth due to the sidewall being positioned at the filtration membrane cartridge body 1 of top is greater than the girth of the sidewall of the filter holder body 1 being positioned at below, and gap 112 is the annular gap 112 arranged along the circumference of the sidewall of filtration membrane cartridge body 1, namely be positioned at top gap 112 cross fluid cross-section amass (flow direction perpendicular to fluid) be greater than be positioned at below gap 112 cross fluid cross-section amass, the gap 112 of top is made to cross fluid compared with the gap 112 of below easy, the fluid pressure of adding gap 112 place, top is little compared with the fluid pressure at gap, below 112 place, the Fluid Volume of crossing at upper and lower gap 112 place is reached unanimity, like this, by the macromolecular substances in fluid, during the filter membrane that particle etc. are formed on film base, because the amount of the fluid flowing through upper and lower gap 112 is identical, namely the macromolecular substances of filter membrane is formed, the amount of particle etc. is consistent, make to form filter membrane at the upper and lower of filtration membrane cartridge simultaneously, and the effect of fluid scouring that filter membrane is subject to is identical, be conducive to keeping the stable of filter membrane.
In a preferred embodiment of the present utility model, along direction straight up, the girth of the sidewall of rack body 1 increases gradually.
In an embodiment of the present utility model, along direction straight up, on same filter house 11, the height being positioned at the gap 112 of top is greater than the height in the gap 112 being positioned at below.
In this embodiment, the height in the gap 112 above being positioned at is greater than the height in the gap 112 being positioned at below, makes along direction straight up, and the fluid cross-section of crossing in gap 112 amasss increase, match with the reduction gradually of fluid pressure, make the flux of the fluid flowing through each gap 112 consistent.
One preferably in embodiment of the present utility model, along direction straight up, the height in gap 112 increases gradually.
In an embodiment of the present utility model, as shown in figures 1 to 6, filtration membrane cartridge also comprises: outlet pipe 14 and mounting flange 15.
Particularly, outlet pipe 14 is connected with the other end in clear water chamber 16, the water in clear water chamber 16 can be discharged mounting flange 15 and be connected to a fixed with one end of rack body 1.
In this embodiment, outlet pipe 14 and mounting flange 15 are integral type structure, on the one hand, ensure that the bonding strength between outlet pipe 14 and mounting flange 15, thus reduce the probability occurring between outlet pipe 14 and mounting flange 15 to rupture, and then add the dependability of product, on the other hand, outlet pipe 14 and mounting flange 15 can be made into integration, thus improve the production efficiency of product, and then reduce the manufacturing cost of product.
The filter that the embodiment of the utility model second aspect provides, comprise filtering tank and the filtration membrane cartridge described in above-mentioned any one embodiment, filtration membrane cartridge is arranged in filtering tank.
The filtration membrane cartridge that the filter that the embodiment of the utility model second aspect provides is provided by the embodiment arranging first aspect, reduce over the area by fluid of filter holder, thus improve the speed of the fluid by gap 112, lamination 111 is made to produce stronger vibration, also can strengthen the reciprocal flowing of the fluid between gap 112 simultaneously, the effect that its acting in conjunction will be strengthened filtration membrane cartridge external setting-up distance filter membrane, improves the self-cleaning function of filter membrane.
In the utility model, 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 ", D score, " interior ", the orientation of the instruction such as " outward " 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.
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, is characterized in that, comprising:
Filter house, described filter house comprises multiple lamination stacked successively, has the gap flow through for fluid between adjacent described lamination;
Support portion, the two ends of lamination described in each of described filter house are fixedly connected on described support portion and form rack body, and the inside of described rack body is provided with the clear water chamber passed through for fluid; With
Sealing plate, described sealing plate is positioned at one end of described rack body, and seals the one end in described clear water chamber.
2. filtration membrane cartridge according to claim 1, is characterized in that,
Comprise a described filter house and a described support portion, the cross sectional shape of described rack body is annular.
3. filtration membrane cartridge according to claim 1, is characterized in that,
Comprise two described filter houses and two described support portions, described filter house and described support portion are arranged alternately, and the cross sectional shape of described rack body is rectangle.
4. filtration membrane cartridge according to claim 1, is characterized in that,
The outer face of adjacent laminates is not concordant, and/or the inner face of adjacent described lamination is not concordant.
5. filtration membrane cartridge according to any one of claim 1 to 4, is characterized in that,
Along direction straight up, the girth being positioned at the sidewall of the described rack body of top is greater than the girth of the sidewall of the described rack body being positioned at below.
6. filtration membrane cartridge according to claim 5, is characterized in that,
Along direction straight up, the girth of the sidewall of described rack body increases gradually.
7. filtration membrane cartridge according to any one of claim 1 to 4, is characterized in that,
Along direction straight up, on same described filter house, the height being positioned at the described gap of top is greater than the height in the described gap being positioned at below.
8. filtration membrane cartridge according to claim 7, is characterized in that,
Along direction straight up, the height in described gap increases gradually.
9. filtration membrane cartridge according to any one of claim 1 to 4, is characterized in that, also comprises:
Outlet pipe, described outlet pipe is connected with the other end in described clear water chamber, the water in described clear water chamber can be discharged; With
Mounting flange, one end of described mounting flange and described rack body is connected to a fixed.
10. a filter, is characterized in that, comprise filtering tank and filtration membrane cartridge as claimed in any one of claims 1-9 wherein, described filtration membrane cartridge is arranged in described filtering tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698428.3U CN204337885U (en) | 2014-11-19 | 2014-11-19 | Filtration membrane cartridge and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698428.3U CN204337885U (en) | 2014-11-19 | 2014-11-19 | Filtration membrane cartridge and filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204337885U true CN204337885U (en) | 2015-05-20 |
Family
ID=53221189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420698428.3U Withdrawn - After Issue CN204337885U (en) | 2014-11-19 | 2014-11-19 | Filtration membrane cartridge and filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204337885U (en) |
Cited By (1)
| 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 |
-
2014
- 2014-11-19 CN CN201420698428.3U patent/CN204337885U/en not_active Withdrawn - After Issue
Cited By (1)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016000439A1 (en) | Waste water treatment system and waste water treatment method | |
| CN203946925U (en) | Sewage treatment pot | |
| CN204093163U (en) | Filtration membrane cartridge | |
| CN204337885U (en) | Filtration membrane cartridge and filter | |
| WO2009117861A1 (en) | A liquid filtering process and a liquid filtering device for aquatic animal culturing box | |
| CN204058026U (en) | Sewage treatment pot | |
| CN202028261U (en) | Tapered lamination filter and filter element of the tapered lamination filter | |
| CN202876657U (en) | Reverse osmosis membrane column for water purifier | |
| CN105664568A (en) | Filter membrane holder and filter device | |
| CN205699885U (en) | Gas-filtering device and there is the air purifier of this gas-filtering device | |
| CN104843907B (en) | A kind of super purification column of laboratory purifier water | |
| CN204337888U (en) | Filtration membrane cartridge and filter | |
| CN203944206U (en) | Filtration membrane cartridge | |
| CN206069552U (en) | A kind of assembled water purifier | |
| CN206081923U (en) | Novel industry gas -liquid separation filter | |
| CN204280202U (en) | Vortex eliminator | |
| CN203944207U (en) | Filtration membrane cartridge | |
| CN204337886U (en) | Filtration membrane cartridge and filter | |
| CN203955047U (en) | High flux folds filter core of security filter | |
| CN207445763U (en) | A kind of mill base filter device | |
| CN206404517U (en) | A kind of water-washing type air purification equipment | |
| CN208660498U (en) | A kind of anti-blocking leaf filter of pressure resistance | |
| CN209715829U (en) | A kind of easy-to-mount environmental protection cleaning device | |
| CN203393780U (en) | Pressure-bearing type medium-separating water storage tank | |
| CN206660747U (en) | A kind of follow-on filter element for water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AOYUAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING KEDASI TECHNOLOGY CO., LTD. Effective date: 20150716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150716 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. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160905 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. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20171222 |