WO2010106087A1 - Filtermedium und filterelement - Google Patents
Filtermedium und filterelement Download PDFInfo
- Publication number
- WO2010106087A1 WO2010106087A1 PCT/EP2010/053428 EP2010053428W WO2010106087A1 WO 2010106087 A1 WO2010106087 A1 WO 2010106087A1 EP 2010053428 W EP2010053428 W EP 2010053428W WO 2010106087 A1 WO2010106087 A1 WO 2010106087A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter medium
- layer
- filter
- medium according
- meltblown
- 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.)
- Ceased
Links
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
- B01D29/11—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
- B01D29/111—Making filtering elements
-
- 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
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0407—Perforated supports on both sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/12—Pleated filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/188—Multiple filtering elements having filtering areas of different size
Definitions
- the invention relates generally to a filter medium and a filter element, in particular for the filtration of fluids and a method for producing a zigzag folded filter medium. Specifically, the invention relates to a multilayer filter medium and a filter element for use in fuel filtration.
- Filter material for generating a filter for the particles to be filtered and the liquid flowing through optimal filter behavior is combined.
- a meltblown as a filter medium in a gas stream together with a serving exclusively for stabilization support material.
- Carrier layer is negligible compared to the other layers.
- Nonwoven fabric containing continuous fibers.
- the invention is based on the object, a multilayer vollsyntheti ⁇
- the present invention solves this problem by providing a
- Raw side of the pre-filter layer a first support layer and on the clean side of the
- Fine filter layer a second support layer for receiving the longitudinal or Quer ⁇
- the two supporting layers in each case different strengths, in particular tensile strengths, preferably given as the average maximum tensile forces in the longitudinal or transverse direction.
- the invention further relates to a filter element for removing particles from a fluid flow, in particular of particles from a fuel flow of an internal combustion engine comprising a first end plate, in particular of injection-molded plastic, a second end plate, in particular of injection-molded plastic, and a between the end plates arranged, with these glued or welded, star-shaped folded inventive filter medium.
- the invention further relates to a method for producing a zigzag-shaped folded filter medium, in particular for use in a filter element according to the invention.
- a prefilter layer and a fine filter layer are joined together in the flow direction, wherein on the raw side of the prefilter a first support layer and on the clean side of the fine filter layer, a second support layer for receiving the longitudinal or transverse forces under tensile or compressive stress is applied, wherein the two support layers each have different average maximum tensile forces in the longitudinal or transverse direction.
- the direction in which the particularly web-shaped and preferably rectangular filter medium has its greatest length is defined as the longitudinal direction, in particular the feed direction in the case of the invention.
- Position of the filter medium. As a transverse direction, the direction is defined, which runs along the width of the filter medium perpendicular to the longitudinal direction and along which the filter medium is preferably folded.
- the different strengths have the advantage that is compensated by these in the longitudinal and transverse direction of the difference in length of the outer layers to the neutral position in the middle in eventual deflections during lamination, Rollenschneide-, embossing and deployment process and thus the Processability is improved or ensured in certain media configurations.
- the necessary for the connection of bellows and end plate of the filter element stiffness, which is required when welding the filter medium with a thermoplastic end plate or when immersing the filter medium in a viscous adhesive is advantageously achieved by means of the support layer for receiving the transverse forces.
- the support layers in corresponding embodiments can advantageously fulfill the function of the drainage to prevent the packaging of the filter medium.
- Another advantage of the support layers consists in the ability to drive the folds "on block", since due to the adjacent supporting layers of the flow is ensured.
- the width-related bending stiffness S determined according to DIN 53121 is used as a further material characteristic value.
- the standard provides for various measuring methods, preferably a rectangular sample with the width b is clamped along a width and loaded at a distance I from the clamping with a force F, resulting in a maximum deflection f as a shift of the force application point.
- the width-related bending stiffness S is calculated from this
- the average maximum tensile force of the transverse forces receiving support layer in the longitudinal direction is greater than 10 N. In an advantageous embodiment, the average maximum tensile force of the lateral forces receiving support layer in the transverse direction is greater than 20 N.
- the average maximum tensile force of the longitudinal forces receiving support layer in the longitudinal direction is greater than 2O N.
- the average maximum tensile force of the longitudinal forces receiving support layer in the transverse direction is greater than 10 N.
- the width-related bending stiffness of the transverse forces receiving support layer in the longitudinal direction is greater than 0.1 N mm, in particular greater than 0.15 N mm.
- the width-related bending stiffness of the transverse forces receiving support layer in the transverse direction is greater than 0.3 N mm, in particular greater than 0.4 N mm.
- the width-related bending stiffness of the longitudinal forces receiving support layer in the longitudinal direction is greater than 0.3 N mm, more preferably greater than 0.45 N mm.
- the width-related bending stiffness of the longitudinal forces receiving support layer in the transverse direction is greater than 0.1 N mm, more preferably greater than 0.15 N mm.
- at least one of the support layers in the form of a grid is formed, which has crossing threads, wherein the crossing threads span a thread angle.
- the thread angle of the responsible for the absorption of the transverse forces support layer in the range of 70 ° - 120 °, preferably in the range of 80 ° - 100 °, particularly preferably at 90 °.
- the thread angle of the responsible for receiving the longitudinal forces supporting position in the range of 40 ° - 80 °, in particular in the range of 50 ° - 70 °.
- the pre-filter layer is formed from a meltblown layer having a thickness in the range of 0.1 mm to 1 mm and a basis weight in the range of 40 g / m 2 - 200 g / m 2 .
- the thickness of the meltblown layer is between 0.2 mm and 0.4 mm and the basis weight between 90 g / m 2 and 110 g / m 2 .
- the fiber diameter of the prefilter layer and / or the fine filter layer is in the range of 0.1 .mu.m to 10 .mu.m.
- the pre-filter layer and / or the fine filter layer are made of materials selected from the group consisting of polybutylterephthalate (PBT) meltblown, polyamide (PA) meltblown, polypropylene (PP) meltblown and polyethersulfone (PES ) meltblown.
- the fine filter layer is formed from a meltblown layer having a thickness in the range of 0.5 mm to 1, 5 mm and a basis weight in the range of 40 g / m 2 - 200 g / m 2 .
- the thickness of the meltblown layer is between 0.6 mm and 1.0 mm and the basis weight between 90 g / m 2 and 110 g / m 2 .
- the filter medium additionally has a third filter layer.
- the third filter layer is formed from a meltblown layer having a thickness in the range of 0.1 mm to 1 mm and a basis weight in the range of 10 g / m 2 - 100 g / m 2 .
- the thickness of the meltblown layer is between 0.2 mm and 0.4 mm and the basis weight between 30 g / m 2 and 60 g / m 2 .
- the third filter ply is made from materials selected from the group consisting of polybutylterephthalate (PBT) meltblown, polyamide (PA) meltblown, polypropylene (PP) meltblown, and polyethersulfone (PES) meltblown.
- PBT polybutylterephthalate
- PA polyamide
- PP polypropylene
- PES polyethersulfone
- the fiber diameter of the third filter layer is in the range of 0.1 .mu.m to 10 .mu.m.
- the third filter layer is formed as an absolute separator.
- the filter layers and / or support layers by means of thermal calender, ultrasound, powder or spray adhesive can be connected together.
- the filter and / or support layers lie loosely on one another and are connected to one another only during the folding process.
- the support layers are formed in the form of a grid.
- the backing sheets consist of a combination selected from the group consisting of spunbonded mesh, spunbonded spunbond, spunbonded filter sheets and meshed filter sheets.
- the invention further relates to a method for producing a zig-zag folded filter medium, in which a web-shaped, multi-layer filter medium according to one of the embodiments described above, in which in particular the individual layers lie loosely on one another, by means of a feed device of a heat-carrying embossing unit, in particular ultrasound Embossing unit is fed, the bending lines embossed in the filter medium, wherein the filter medium is then folded along the fold lines by means of a folding device, wherein layers of the multilayer filter medium when embossing along the fold lines by means of the heat-carrying embossing unit, in particular ultrasonic embossing unit are welded.
- the invention further relates to a filter element for removing particles from a fluid stream, in particular from particles from a fuel stream.
- a filter element for removing particles from a fluid stream, in particular from particles from a fuel stream.
- Fig. L a filter element according to the invention comprising a erfindungsge ⁇
- FIG. 2 shows the schematic structure of a filter medium according to the invention.
- FIG. 1 shows an embodiment of a filter element according to the invention
- Inventive filter medium 10 whose structure corresponds in detail in particular to the embodiment shown in Figure 2.
- a first support layer 18 for receiving the transverse forces on the inwardly directed side of the filter medium 10 is arranged, and correspondingly a second support layer 16 for receiving the longitudinal forces on the outwardly directed side of the filter medium 10 is arranged.
- the transverse direction Q is normal to the end plates 2, 3 and parallel to the folded edges 4 of the filter medium.
- the longitudinal direction L extends on the filter medium 10 at a right angle to the transverse direction Q.
- the second support layer 16 for receiving the longitudinal forces is formed as a grid, which a thread angle c ⁇ 2 of 40 ° -80 °, in particular 50 ° -70 °, preferred 60 °.
- the first support layer 18 for receiving the transverse forces is also formed as a grid, which has a thread angle CM of 80 ° -100 °, preferably 90 °.
- the thread angles CM and c ⁇ 2 are advantageously oriented such that the longitudinal direction represents the bisecting line.
- the filter element can be flowed through from outside to inside or in the opposite direction.
- the support layer 16 for receiving the longitudinal forces inside and the support layer 18 may be arranged for receiving the transverse forces on the outside of the filter element.
- the prefilter layer 12 preferably consists of a meltblown and is in particular composed of a meltblown selected from the group consisting of polybutylterephthalate (PBT) meltblown, polyamide (PA) meltblown, polypropylene (PP) meltblown and polyethersulphone (PES). Meltblown, formed.
- PBT polybutylterephthalate
- PA polyamide
- PP polypropylene
- PES polyethersulphone
- the thickness of the pre-filter layer 12 is in the range of 0.1 mm to 1 mm, preferably between 0.2 mm and 0.4 mm, and the basis weight is between 40 g / m 2 - 200 g / m 2 , preferably between 90 g / m 2 and 110 g / m 2 .
- the fiber diameter is in the range of 0.1 to 10 microns.
- meltblown media are based on polyester and thus guarantee a significantly longer life than cellulose media. Compared with the single-layered cellulose medium, the meltblown medium has two layers with a gradient structure. A meltblowing process produces very fine fibers, which allow the finished filter medium to have a very large pore volume.
- the fine filter layer 14 likewise consists of a meltblown and is in particular composed of a meltblown selected from the group consisting of polybutylterephthalate (PBT) meltblown, polyamide (PA) meltblown, polypropylene propylene (PP) meltblown and polyethersulphone (PES ) -Meltblown, formed.
- the thickness of the fine filter layer 14 is in the range of 0.5 mm to 1, 5 mm, preferably between 0.6 mm and 1, 0 mm, and the weight per unit area carries between 40 g / m 2 - 200 g / m 2 , preferably between 90 g / m 2 and 110 g / m 2 .
- the fiber diameter is in the range of 0.1 to 10 microns.
- the filter medium 10 may include a third filtration layer (not shown) that may be configured as an absolute separator.
- This third filtration layer may consist of a meltblown layer having a thickness in the range of 0.1 mm to 1 mm, in particular between 0.2 mm and 0.4 mm, and a basis weight in the range of 10 g / m 2 - 100 g / m 2 , in particular between 30 g / m 2 and 60 g / m 2 , exist.
- the fiber diameter is in the range of 0, 1 .mu.m to 10 .mu.m.
- the support layers 16, 18 necessary for the processing are preferably a grid, in particular a plastic grid.
- the material of the support layers can also consist of a combination selected from the group consisting of lattice spun bond, spunbond spunbond, spunbond filter layers and mesh filter layers.
- the support layers can also consist of the filter medium itself.
- the meltblown layers and support layers of the filter medium 10 according to the invention can be connected to one another by means of a thermal calender, ultrasound, powder or spray adhesive.
- the support layers are preferably applied with adhesive (spray adhesive) on the pre- or fine filter layer.
- the support layers consist of a polymer, in particular PBT, PA, PP or PES, whose thickness in the range of 0.3 - 1, 2 mm, especially between 0.4-0.7 mm, and whose basis weight is in the range of 50-200 g / m 2 , in particular between 80 and 110 g / m 2 .
- FIG. 2 further shows the supporting layer (grid) 16 as a receptacle for the longitudinal forces and the supporting layer (grid) 18 as a receptacle for the transverse forces.
- the grid 18 can serve as a receptacle for the longitudinal forces and the grid 16 as a receptacle for lateral forces.
- the different average maximum tensile forces of the support layers (eg lattice) in the longitudinal and transverse direction compensate for and improve the difference in length of the outer layers around the neutral position in the middle with possible deflections during the lamination, roll cutting, embossing and setting process Thus, the processability or allow in the first place.
- the necessary for the connection of bellows and end plate of the filter element rigidity is achieved by means of the support layer for receiving the transverse forces.
- the support layers fulfill the function of drainage to prevent the packaging of the filter medium. Another advantage of the support layers is the ability to "drive block" the folds, as the flow is ensured.
- FIG. 2 also shows the arrangement of the corresponding thread angles, ie the angle of the intersecting threads of the two support layers (grid) 16, 18 can be seen.
- the grid 18 responsible for absorbing the transverse forces has a yarn angle ⁇ 1 in the range of 70 ° -120 °, in particular 80 ° -100 °, particularly advantageously 90 °. It is advantageous that the grid 18 has an average maximum tensile force in the longitudinal direction of greater than 10 N and in the transverse direction of greater than 20 N.
- a width-related bending stiffness S (determined according to DIN 53121) in the longitudinal direction of greater than 0.1 N mm, especially greater than 0.15 N mm and in the transverse direction of greater than 0.3 N mm, in particular greater than 0.4 N mm, is advantageous.
- the grid responsible for absorbing the longitudinal forces (16 in FIG. 1) has a yarn angle ⁇ 2 in the range of 40 ° -80 °, in particular 50 ° -70 °. In this case, it is advantageous if the grid 16 has an average maximum tensile force in the longitudinal direction of greater than 20 N, especially greater than 25 N, and in the transverse direction of greater than 10 N, especially greater than 15 N.
- the support layers of the filter medium may consist of a mesh spunbond, spunbond-spunbond, spunbond filter media, or mesh-filter media combination.
- the filter medium is folded in a zigzag shape by means of a method according to the invention.
- a multilayer, web-shaped filter media is used, which is folded into filter elements, wherein in the web-shaped filter medium in particular the individual layers are loosely superimposed, wherein the filter medium is supplied by means of a feeder of a heat-carrying embossing unit, in particular ultrasonic embossing unit, the Crease lines in the filter medium embossed, wherein the filter medium is then folded along the fold lines by means of a folding device, wherein layers of the multilayer filter medium during embossing along the fold lines using the heat-carrying embossing unit, in particular ultrasonic embossing unit, are welded.
- the layers of the multilayer filter medium can have support layers, in particular plastic lattices, wherein at least one of the layers can have a meltblown layer.
- the filter medium is embossed and welded by means of an anvil roller with embossing webs, an ultrasound-driven sonotrode and an embossing stamp, which is in particular formed at least by the sonotrode.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112010001186.9T DE112010001186B4 (de) | 2009-03-17 | 2010-03-17 | Filtermedium, Verfahren zur Herstellung eines Filtermediums, und Filterelement |
| CN201080022338.7A CN102427866B (zh) | 2009-03-17 | 2010-03-17 | 过滤介质和过滤元件 |
| US13/235,361 US8584868B2 (en) | 2009-03-17 | 2011-09-17 | Filter medium and filter element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202009003669.3 | 2009-03-17 | ||
| DE202009003669U DE202009003669U1 (de) | 2009-03-17 | 2009-03-17 | Filterelement |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/235,361 Continuation US8584868B2 (en) | 2009-03-17 | 2011-09-17 | Filter medium and filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010106087A1 true WO2010106087A1 (de) | 2010-09-23 |
Family
ID=42111400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2010/053428 Ceased WO2010106087A1 (de) | 2009-03-17 | 2010-03-17 | Filtermedium und filterelement |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8584868B2 (de) |
| CN (1) | CN102427866B (de) |
| DE (2) | DE202009003669U1 (de) |
| WO (1) | WO2010106087A1 (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2433695A1 (de) * | 2010-09-27 | 2012-03-28 | Sandler AG | Mehrlagiger Filteraufbau |
| DE102011113649A1 (de) | 2011-09-19 | 2013-03-21 | Mann + Hummel Gmbh | Filterelement, Vorrichtung zum Falten eines bahnförmigen Filtermediums und Verfahren zur Herstellung eines zickzackförmig gefalteten Filterelements |
| CN105709478A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 基于聚酰胺熔喷滤芯的油品循环净化装置 |
| CN105749622A (zh) * | 2016-04-29 | 2016-07-13 | 北京欧洛普过滤技术开发公司 | 一种多层纤维复合滤材 |
| CN105797485A (zh) * | 2016-03-21 | 2016-07-27 | 西安天厚滤清技术有限责任公司 | 一种热熔焊接的聚酰胺滤芯及其制造方法 |
| EP3104953B1 (de) | 2014-02-13 | 2017-11-08 | Hydac Fluidcarecenter GmbH | Kraftstoff-filterelement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110168622A1 (en) * | 2010-01-12 | 2011-07-14 | Purolator Filters Na Llc | High Efficiency, High Capacity Filter Media |
| DE102011003585A1 (de) | 2011-02-03 | 2012-08-09 | Mahle International Gmbh | Harnstofffiltermaterial |
| DE102011086104A1 (de) | 2011-11-10 | 2013-05-16 | Mahle International Gmbh | Filtermaterial |
| DE102012020574A1 (de) * | 2012-10-22 | 2014-04-24 | Mann + Hummel Gmbh | Filter |
| CN103861396A (zh) * | 2012-12-17 | 2014-06-18 | 北京英泰世纪环境科技有限公司 | 内燃机颗粒物排放后处理净化装置 |
| CN104061096B (zh) * | 2013-03-19 | 2018-03-23 | 曼·胡默尔有限公司 | 柴油引擎燃料过滤用过滤芯 |
| DE102014009888B4 (de) * | 2013-07-15 | 2025-07-03 | Mann+Hummel Gmbh | Filterelement eines Filters, mehrlagiges Filtermedium eines Filters und Filter |
| DE102013015645A1 (de) * | 2013-09-23 | 2015-03-26 | Mann + Hummel Gmbh | Vorrichtung und Verfahren zum Herstellen eines Filterbalgs |
| USD724179S1 (en) * | 2014-03-10 | 2015-03-10 | Kuss Filtration Inc. | Oil filter |
| WO2016168843A1 (en) * | 2015-04-17 | 2016-10-20 | Kurani Hemant Chandrakant | Adaptable basket |
| TWI615185B (zh) * | 2015-12-25 | 2018-02-21 | 密科博股份有限公司 | 研磨液過濾裝置 |
| CN105715430A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 采用聚酰胺滤芯的通用旋装式滤清器 |
| CN105715933A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 一种防渗漏的润滑系统 |
| CN105709493A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 两级一体化复合滤芯的油品循环净化装置 |
| CN105749624A (zh) * | 2016-03-21 | 2016-07-13 | 西安天厚滤清技术有限责任公司 | 一种聚酰胺滤材及其制造方法 |
| CN105715431A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 采用复合式滤芯的通用旋装式滤清器 |
| CN105749602A (zh) * | 2016-03-21 | 2016-07-13 | 西安天厚滤清技术有限责任公司 | 用于油品过滤的复合式滤芯 |
| CN105715934A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 一种防止润滑系统渗油漏油的方法和装置 |
| CN105688514A (zh) * | 2016-03-21 | 2016-06-22 | 西安天厚滤清技术有限责任公司 | 用于油品过滤的聚酰胺滤材和滤芯 |
| CN105817089B (zh) * | 2016-04-18 | 2018-08-17 | 成都易态科技有限公司 | 一种过滤元件及过滤装置 |
| CN114602245A (zh) * | 2020-12-09 | 2022-06-10 | 3M创新有限公司 | 用于水过滤的层叠片材、圆筒状滤芯以及过滤套件 |
| CN117427422A (zh) * | 2023-11-03 | 2024-01-23 | 福建龙净环保股份有限公司 | 一种过滤筒、基筒部的成型装置及基筒部的成型方法 |
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| AU2001245621A1 (en) * | 2000-03-15 | 2001-09-24 | Hollingsworth And Vose Company | Melt blown composite hepa vacuum filter |
| EP1838412B1 (de) * | 2004-12-10 | 2013-05-22 | Fresenius Hemocare Italia S.r.l. | Verfahren zur Verminderung der Leukocyten von Blut und Blutkomponenten |
| US20080105626A1 (en) * | 2006-11-02 | 2008-05-08 | David Charles Jones | Fuel filter |
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| DE102008004344A1 (de) | 2008-01-15 | 2009-08-06 | Hydac Filtertechnik Gmbh | Filter |
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2010
- 2010-03-17 CN CN201080022338.7A patent/CN102427866B/zh active Active
- 2010-03-17 DE DE112010001186.9T patent/DE112010001186B4/de active Active
- 2010-03-17 WO PCT/EP2010/053428 patent/WO2010106087A1/de not_active Ceased
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2011
- 2011-09-17 US US13/235,361 patent/US8584868B2/en not_active Expired - Fee Related
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2433695A1 (de) * | 2010-09-27 | 2012-03-28 | Sandler AG | Mehrlagiger Filteraufbau |
| DE102011113649A1 (de) | 2011-09-19 | 2013-03-21 | Mann + Hummel Gmbh | Filterelement, Vorrichtung zum Falten eines bahnförmigen Filtermediums und Verfahren zur Herstellung eines zickzackförmig gefalteten Filterelements |
| WO2013041316A1 (de) | 2011-09-19 | 2013-03-28 | Mann+Hummel Gmbh | Filterelement, vorrichtung zum falten eines bahnförmigen filtermediums und verfahren zur herstellung eines zickzackförmig gefalteten filterelements |
| EP3104953B1 (de) | 2014-02-13 | 2017-11-08 | Hydac Fluidcarecenter GmbH | Kraftstoff-filterelement |
| CN105709478A (zh) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | 基于聚酰胺熔喷滤芯的油品循环净化装置 |
| CN105797485A (zh) * | 2016-03-21 | 2016-07-27 | 西安天厚滤清技术有限责任公司 | 一种热熔焊接的聚酰胺滤芯及其制造方法 |
| CN105749622A (zh) * | 2016-04-29 | 2016-07-13 | 北京欧洛普过滤技术开发公司 | 一种多层纤维复合滤材 |
| CN105749622B (zh) * | 2016-04-29 | 2019-04-05 | 北京欧洛普过滤技术开发公司 | 一种多层纤维复合滤材 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120024774A1 (en) | 2012-02-02 |
| CN102427866A (zh) | 2012-04-25 |
| US8584868B2 (en) | 2013-11-19 |
| DE112010001186A5 (de) | 2012-04-26 |
| CN102427866B (zh) | 2015-11-25 |
| DE202009003669U1 (de) | 2010-08-12 |
| DE112010001186B4 (de) | 2022-03-24 |
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