CN103492040B - Rinsing filter and filter element for same - Google Patents
Rinsing filter and filter element for same Download PDFInfo
- Publication number
- CN103492040B CN103492040B CN201280017961.2A CN201280017961A CN103492040B CN 103492040 B CN103492040 B CN 103492040B CN 201280017961 A CN201280017961 A CN 201280017961A CN 103492040 B CN103492040 B CN 103492040B
- Authority
- CN
- China
- Prior art keywords
- filter
- sleeve
- housing
- filter element
- inner filtration
- 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.)
- Active
Links
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims description 20
- 239000004677 Nylon Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 abstract description 8
- 238000005192 partition Methods 0.000 abstract 2
- 210000002445 nipple Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
- B01D2201/298—End caps common to at least two filtering elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention is intended for filtering. The filter comprises a housing with an inlet duct and an outlet duct arranged in opposite directions on the same axis, a filtration unit perpendicular to the axis of the ducts and having a casing and a filter element, and a dividing partition situated in the housing cavity between the ducts. The housing is provided with an outward facing annular centring element which passes along the dividing partition and a portion of the housing in the region of the inlet duct. The bottom of the casing is provided with an annular centring element and a closeable filtered medium discharge unit, and is hermetically secured about the edge to the housing. The filter element is arranged with one end in the annular centring element of the housing and the other end in the annular centring element of the casing and comprises an outer filter cylinder and an inner filter cylinder made from mesh. The ends of the cylinders are fastened in annular retainers. The filtering ability of the outer filter cylinder in terms of the size of the particles removed is less than the filtering ability of the inner filter cylinder. The technical result is a high level of purification of the medium.
Description
Technical field
The invention belongs to building field, relate to polishing filter particularly, it is mainly used in the clarifier filter element purifying conveying medium from mechanical admixture.Polishing filter is arranged in drinking water and domestic water, hot water, heating, compressed air system pipeline, even can be arranged in the non-corrosive conveying medium process pipe of clarifier material.Before polishing filter suggestion is arranged on water meter, with controlling valve, pump, blender everyday devices and other pumped (conveying) medium removing pollutant equipment.Polishing filter, without the need to dismantling filter element, just can carry out direct purification to by the impurity in stream.
Background technology
This known polishing filter comprises cup-shaped housing, and its cup-shaped housing is provided with lid and is positioned at housing rightabout and the inlet connecting branch of connecting pipe and outlet connecting pipe (CN2376324Y, М П К B01D35/06,2000).
Between inlet connecting branch with outlet connecting pipe, gap, housing chamber is connected by the separator of the inclination which is provided with centre bore.Housing is provided with the chamber, the end be separated with the main chamber of separator housing, and is provided with annular centring element on the direction near the main chamber of housing.The main chamber of filter element is positioned at the main chamber of the housing connected with outlet connecting pipe, and filter element one end is arranged on the annular centring element of bottom part spacing body, and enters the separator of inclination through via hole; And filter element second end extends to the chamber connected with inlet connecting branch.The bottom part spacing body being positioned at annular centring element is provided with chamber, end open interior, simultaneously lower housing portion be provided with connect chamber, the end and the screwed hole blocked by connector.
Conveying medium enters housing through inlet connecting branch, enters filter element inner chamber subsequently, then through filter, enters outlet connecting pipe from the main chamber of housing.Granular filtrate is gathered in cavity of resorption place in filter element, slowly flows out from the hole of the bottom part spacing body in chamber, the end.For purifying filter liquor, chamber connector of going to the bottom be unloaded, and under the effect of conveying medium, be gathered in the particle of chamber, end connector, along with conveying medium flows to outer outflow.
The housing of this known polishing filter be provided be positioned at both sides on same axle and be connected to pipeline screw nipple and perpendicular to import thimble pipe and outlet thimble tubular axis and which is provided with the sphere filter of cup-shaped parts and sleeve-shaped filter element.(Vist trading company science and technology catalogue, 2009,271 pages).
Gap, housing chamber between inlet connecting branch and outlet connecting pipe is connected by separator.Housing is provided with the annular centring element of outwards reversion, and the casing member on separator and inlet connecting branch section, and the sphere filter inlet orifice of leading to inlet connecting branch chamber is positioned at the center of inlet connecting branch.Cup-shaped parts are provided with the annular centring element be positioned at bottom it, and its edge seal be fixed on housing, and its annular centring element is positioned at bottom near filter medium discharge transposition circle.Screw nipple bottom the cup-shaped parts of the element of filter medium discharge place is provided with fixing delivery cock.Housing is provided with and leads to inlet connecting branch and the screwed hole of its outer surface, and pressure gauge is fixed in its inlet connecting branch.
The filter capacity of netted cylinder filter element is 100 microns, and its one end is positioned on casing annular centring element, and the second end is positioned on cup-shaped parts annular centring element.The madial wall of cup-shaped parts and housing is positioned at filter element proximity, and form the annular chamber be positioned near filter element, annular chamber is communicated with outlet connecting pipe chamber by passing away, and passing away is through separator on housing.
Conveying medium enters inlet connecting branch, then enters in filter element chamber.Through filter element, then through the inner chamber of cup-shaped parts, enter outlet connecting pipe chamber subsequently, and discharge from outlet connecting pipe along connecting pipe.Granular filtrate is gathered in the connection pore bottom cup-shaped parts, and the tube connector of its cup-shaped parts connects with delivery cock.Open delivery cock and implement purification to make filter, under the effect of conveying medium, being gathered in sediment on delivery cock along with conveying medium outwards discharges.
In this known design invention, use the filter element (sleeve) of netted lasso, utilized lasso filter element (sleeve) can be separated all pollution cuts.This filter method to the quick pollution of filter element, and can be conducive to regular purification.The filter be installed in series is conducive to increasing the time interval between purification process, and first group of positioned inline installed is separated larger particles impurity, and the in-line filter that last group is installed is separated thinner granule foreign.Positioned inline effectively can extend the time interval between each purification process of filter, and this complexity that result also in the too fat to move of filtration system and run.The feature of above-mentioned described polishing filter design is mainly easy to use, and without purification train, because they are without the need to purifying continually.
Summary of the invention
The present invention has expanded the means that conveying medium filters, and the expansion of these means ensures on the basis of filter element purification (self-cleaning) ability by conveying medium stream, according to the parameter of the filter element of regulation, filter according to cascade principle, ensured higher purifying rate.
The enforcement of this technique effect will rely on polishing filter.The housing of this polishing filter has the inlet connecting branch on the both sides being arranged on same axis and outlet connecting pipe, this inlet connecting branch and outlet connecting pipe are all with the threaded joints for connecting pipe, also comprise filter element, it perpendicular to the axis of inlet connecting branch and outlet connecting pipe, and is provided with cup-shaped part and sleeve-shaped filter element.
Be between inlet connecting branch and outlet connecting pipe and be provided with separator in the chamber of described housing.Housing is provided with outwards towards annular centering member, its extend through separator and be in the housing parts in region of inlet connecting branch, and it is centrally located at the opening part leading to the chamber of inlet connecting branch of filter element.
Cup-shaped part is provided with annular centering member and filter medium discharge member bottom it, and fixes on the housing along its edge seal.The first end of filter element is positioned in the annular centering member of housing, and the second end is positioned in the annular centering member of cup-shaped part.The outer surface of the medial surface of cup-shaped part and the medial surface of housing and filter element is spaced apart, defines the vicinity being positioned at filter element and the annular chamber communicated with outlet connecting pipe.
Filter element comprises outer filter sleeve and the inner filtration sleeve of netted hull shape formula, and they are installed to each other with one heart, between corresponding side surface, define interval, and is fixed with top cover and the bottom of ring-type respectively two ends.Bottom forms the surface of certain angle relative to the other end being provided with towards the end of filter sleeve.With regard to the size of filtered particle, the filter capacity of described outer filter sleeve is less than the filter capacity of inner filtration sleeve.
In a preferred embodiment of the invention, being positioned at towards the surface of the end of filter sleeve is the surface of taper.The filter capacity value of outer filter sleeve is between 100-300 micron, and the filter capacity value of inner filtration sleeve is between 500-800 micron.Outer filter sleeve and inner filtration sleeve are made up of stainless (steel) wire, glass fiber mesh or nylon wire.
Present invention also offers a kind of filter element for polishing filter, comprise outer filter sleeve and the inner filtration sleeve of netted shell, they are installed to each other with one heart, interval is defined between corresponding side surface, and top cover and the bottom of ring-type is fixed with respectively two ends, bottom forms the surface of certain angle relative to the other end being provided with towards the end of filter sleeve, and with regard to the size of filtered particle, the filter capacity of outer filter sleeve is less than the filter capacity of inner filtration sleeve.
In a preferred embodiment, being positioned at towards the described surface of the end of filter sleeve is the surface of taper.The filter capacity value of outer filter sleeve is between 100-300 micron, and the filter capacity value of inner filtration sleeve is between 500-800 micron.Outer filter sleeve and inner filtration sleeve are made up of stainless (steel) wire, glass fiber mesh or nylon wire.
Accompanying drawing explanation
Enforcement of the present invention is confirmed by the object lesson of polishing filter.
Fig. 1 is the longitudinal sectional view of polishing filter.
Fig. 2 and Fig. 3 is respectively the top cover of filter element and the longitudinal sectional view of bottom.
Fig. 4 is the side view of the filter being provided with dump valve and instrument.
Detailed description of the invention
Polishing filter comprises housing 1, its have be arranged on same axis both sides on and with the inlet connecting branch 2 of the screw thread 4 for connecting pipe (not shown) and outlet connecting pipe 3, and perpendicular to inlet connecting branch 2 and outlet connecting pipe 3 axis and which is provided with the filter element of cup-shaped part 5 and sleeve-shaped filter element 6.
The inner chamber of housing 1 is connected by separator 7 between inlet connecting branch 2 and outlet connecting pipe 3.Housing 1 is provided with outside annular centering member 8, and the element 9 in the region being in inlet connecting branch 2 of its extend through separator 7 and housing 1, is centrally located at filter element 5, perforate 10 place in the chamber 11 leading to inlet connecting branch 2 of 6.
Cup-shaped part 5 is provided with and is positioned at bottom it annular centering member 13 on 12 and filter medium discharge member, and annular centring element 13 is connected with female coupling 14, filter medium discharge turntable be drain valve 15(fixed thereon as shown in Figure 4).Cup-shaped part 5 is fixed on the edge 16 of housing 1 hermetically by screw thread 17.Housing 1 is provided with the screwed hole 18 outside the inner chamber 11 being in inlet connecting branch 2, wherein can connect instrument 19(as shown in Figure 4).
One end 20 of filter element 6 is positioned in the annular centering member 8 of housing 1, and the other end 21 is positioned in the annular centering member 13 of cup-shaped part 5.
The outer surface 24 of the medial surface 22 of cup-shaped part 5 and the medial surface 23 of housing 1 and filter element 6 is spaced apart, defines the vicinity being positioned at filter element 6 and the annular chamber 25 communicated with outlet connecting pipe 3.
Filter element 6 comprises outer filter sleeve 27 and the inner filtration sleeve 28 of netted hull shape formula, they are installed to each other with one heart, between corresponding side surface, define interval 29, and be fixed with the top cover 30 of ring-type respectively at end 20 and 21 place and bottom 31(is shown in Fig. 2 and Fig. 3).Bottom 31 is being provided with surperficial 32(as shown in Figure 4 towards the end of filter sleeve 27 and 28), it forms certain angle relative to another end 33.In the embodiment shown, this surface 32 is the surface of taper.
With regard to the size of filtered particle size, the filter capacity of outer filter sleeve 27 is less than the filter capacity of inner filtration sleeve 28.In the embodiment shown, the filter capacity of outer filter sleeve 27 is 100 microns, but also can in the scope of 100-300 micron.In the embodiment shown, the filter capacity of inner filtration sleeve 28 is 800 microns, but also can in the scope of 500-800 micron.
Outer filter sleeve 27 and inner filtration sleeve 28 can be made up of stainless (steel) wire, glass fiber mesh or nylon.Outer filter sleeve 27 and inner filtration sleeve 28 can be applicable to the same of filter sleeve with the above-mentioned material enumerated or other or material not of the same race is made.Top cover 30 and bottom 31 are provided with annular groove 34(as shown in Figures 2 and 3), outer filter sleeve 27 and inner filtration sleeve 28 are fixed in annular groove 34.
Conveying medium enters in the inner chamber of inlet connecting branch 2, enter separator 7 subsequently, then enter in the chamber of the chamber 35 of filter element 6, namely inner filtration sleeve 28, and inner filtration sleeve 28 by the particle separation of the size in conveying medium more than 800 microns out, and enter in nipple 14.
Conveying medium is through inner filtration sleeve 28, enter the gap 29 between outer filter sleeve 27 and inner filtration sleeve 28, subsequently through outer filter sleeve 27, and outer filter sleeve 27 by the particle separation of size in conveying medium more than 100 microns out, on the surface 32 of the particle deposition of the size separated more than 100 microns in gap 29, due to the axis favouring filter element 6 on this surface, therefore can sink to entering in nipple 14 through inner filtration sleeve 28.
In order to purify the particle be gathered in nipple 14, need to open dump valve 15, and conveying medium is discharged from cup-shaped part 5.If necessary, cup-shaped part 5 can be screwed down from housing 1, and take off filter element 6, this filter element 6 may need cleaning further or replace.
Case study on implementation of the present invention is not extensive.Also there is other embodiment meeting claim.According to prior art, all polishing filter elements and the filter element thereof that meet claim can use traditional suitable material to make.
Claims (8)
1. a polishing filter, comprising:
Housing, it has inlet connecting branch on the both sides being arranged on same axis and outlet connecting pipe, described inlet connecting branch and outlet connecting pipe all with the threaded joints for connecting pipe,
Filter element, it perpendicular to the axis of described inlet connecting branch and outlet connecting pipe, and is provided with cup-shaped part and sleeve-shaped filter element,
In the chamber of described housing and the separator be between described inlet connecting branch and outlet connecting pipe,
Be located on described housing outside towards annular centering member, separator described in its extend through and be in the housing parts in region of inlet connecting branch, and it is centrally located at the opening part leading to the chamber of inlet connecting branch of filter element,
Described cup-shaped part is provided with annular centering member and filter medium discharge member bottom it, and fixes on the housing along its edge seal,
The first end of described filter element is positioned in the annular centering member of described housing, and the second end is positioned in the annular centering member of described cup-shaped part,
The outer surface of the medial surface of described cup-shaped part and the medial surface of described housing and described filter element is spaced apart, defines the vicinity being positioned at filter element and the annular chamber communicated with described outlet connecting pipe,
Wherein, described filter element comprises outer filter sleeve and the inner filtration sleeve of netted hull shape formula, and they are installed to each other with one heart, between corresponding side surface, define interval, and is fixed with top cover and the bottom of ring-type respectively two ends,
Described bottom forms the surface of certain angle relative to the other end being provided with towards the end of filter sleeve,
And with regard to the size of filtered particle, the filter capacity of described outer filter sleeve is less than the filter capacity of inner filtration sleeve.
2. polishing filter according to claim 1, is characterized in that, being positioned at towards the described surface of the end of filter sleeve is the surface of taper.
3. polishing filter according to claim 1 and 2, is characterized in that, the filter capacity value of described outer filter sleeve is between 100-300 micron, and the filter capacity value of described inner filtration sleeve is between 500-800 micron.
4. polishing filter according to claim 1 and 2, is characterized in that, described outer filter sleeve and described inner filtration sleeve are made up of stainless (steel) wire, glass fiber mesh or nylon wire.
5. the filter element for polishing filter, comprise outer filter sleeve and the inner filtration sleeve of netted shell, they are installed to each other with one heart, interval is defined between corresponding side surface, and top cover and the bottom of ring-type is fixed with respectively two ends, described bottom forms the surface of certain angle relative to the other end being provided with towards the end of filter sleeve
And with regard to the size of filtered particle, the filter capacity of described outer filter sleeve is less than the filter capacity of inner filtration sleeve.
6. filter element according to claim 5, is characterized in that, being positioned at towards the described surface of the end of filter sleeve is the surface of taper.
7. the filter element according to claim 5 or 6, is characterized in that, the filter capacity value of described outer filter sleeve is between 100-300 micron, and the filter capacity value of described inner filtration sleeve is between 500-800 micron.
8. the filter element according to claim 5 or 6, is characterized in that, described outer filter sleeve and described inner filtration sleeve are made up of stainless (steel) wire, glass fiber mesh or nylon wire.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011133933 | 2011-08-15 | ||
| RU2011133933/05A RU2469769C1 (en) | 2011-08-15 | 2011-08-15 | Back-flush filter and filtering element for it |
| PCT/RU2012/000663 WO2013025128A1 (en) | 2011-08-15 | 2012-08-10 | Rinsing filter and filter element for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103492040A CN103492040A (en) | 2014-01-01 |
| CN103492040B true CN103492040B (en) | 2015-06-17 |
Family
ID=47715299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280017961.2A Active CN103492040B (en) | 2011-08-15 | 2012-08-10 | Rinsing filter and filter element for same |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN103492040B (en) |
| EA (1) | EA022332B1 (en) |
| RU (1) | RU2469769C1 (en) |
| UA (1) | UA105612C2 (en) |
| WO (1) | WO2013025128A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056508A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Main pipe filter |
| DE102015207231B4 (en) * | 2015-04-21 | 2017-09-14 | Mahle International Gmbh | filtering device |
| EA028267B1 (en) * | 2015-08-17 | 2017-10-31 | Павел Эдуардович МЕЛЬНИКОВ | Pipeline filter |
| RU168717U1 (en) * | 2016-06-24 | 2017-02-16 | Андрей Юрьевич Языков | Filter housing for horizontal line |
| RU168718U1 (en) * | 2016-06-24 | 2017-02-16 | Андрей Юрьевич Языков | Filter housing for vertically mounted line |
| RU182998U1 (en) * | 2017-02-20 | 2018-09-07 | Александр Вадимович Утин | LIQUID CLEANING FILTER |
| CN107252732B (en) * | 2017-06-27 | 2023-05-02 | 平原滤清器有限公司 | Medium filter suitable for electric automobile thermal management system |
| CN107673419A (en) * | 2017-10-23 | 2018-02-09 | 康庆刚 | High-speed jet self-cleaning filter device |
| CN109865344A (en) * | 2017-12-05 | 2019-06-11 | 鸿富锦精密工业(武汉)有限公司 | Filter |
| CN108970236A (en) * | 2018-07-27 | 2018-12-11 | 宁波宝蒂塑胶阀门有限公司 | A kind of new-type strainer valve |
| WO2020132568A1 (en) * | 2018-12-21 | 2020-06-25 | Strahman Valves, Inc. | Pipeline strainer |
| CN112344128A (en) * | 2020-11-02 | 2021-02-09 | 沈阳安达节能阀门科技有限公司 | Intelligent multifunctional integrated device for Internet of things |
| RU204760U1 (en) * | 2020-12-22 | 2021-06-09 | Общество с ограниченной ответственностью "Пожнефтехим" | FILTER FOR FIRE HOSE LINE |
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| SU1736564A1 (en) * | 1990-05-07 | 1992-05-30 | Самарский Районный Центр Научно-Технического Творчества Молодежи "Синтез" | Filter for cleaning liquids |
| CN2341696Y (en) * | 1998-05-18 | 1999-10-06 | 黄春全 | Electronic descaling filter |
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| CN101961571A (en) * | 2010-09-21 | 2011-02-02 | 浙江沁园水处理科技有限公司 | Filtering device with automatic detection structure |
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| FR1574913A (en) * | 1968-06-05 | 1969-07-18 | ||
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2011
- 2011-08-15 RU RU2011133933/05A patent/RU2469769C1/en active
-
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- 2012-08-10 EA EA201300638A patent/EA022332B1/en not_active IP Right Cessation
- 2012-08-10 CN CN201280017961.2A patent/CN103492040B/en active Active
- 2012-08-10 UA UAA201310652A patent/UA105612C2/en unknown
- 2012-08-10 WO PCT/RU2012/000663 patent/WO2013025128A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1736564A1 (en) * | 1990-05-07 | 1992-05-30 | Самарский Районный Центр Научно-Технического Творчества Молодежи "Синтез" | Filter for cleaning liquids |
| CN2341696Y (en) * | 1998-05-18 | 1999-10-06 | 黄春全 | Electronic descaling filter |
| CN2526072Y (en) * | 2001-10-30 | 2002-12-18 | 张作仁 | Two-stage filtering filter element |
| CN101378823A (en) * | 2006-02-10 | 2009-03-04 | 艾拉斯科普库空气动力股份有限公司 | Improved flow-through device for the treatment of a fluid and flow-through element used thereby |
| CN200945393Y (en) * | 2006-06-29 | 2007-09-12 | 尚志华 | Screen type filter for plastic greenhouse |
| CN200998622Y (en) * | 2007-02-13 | 2008-01-02 | 左茂森 | Running water filter that can be cleaned without disassembling |
| CN101306272A (en) * | 2007-05-15 | 2008-11-19 | 微滤器有限公司 | High turbid water filter apparatus with multi layer |
| CN201632106U (en) * | 2010-01-25 | 2010-11-17 | 杭州大立过滤设备有限公司 | Double-layer composite folding filter core |
| CN101961571A (en) * | 2010-09-21 | 2011-02-02 | 浙江沁园水处理科技有限公司 | Filtering device with automatic detection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103492040A (en) | 2014-01-01 |
| WO2013025128A1 (en) | 2013-02-21 |
| UA105612C2 (en) | 2014-05-26 |
| RU2469769C1 (en) | 2012-12-20 |
| EA022332B1 (en) | 2015-12-30 |
| EA201300638A1 (en) | 2013-09-30 |
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