WO2012103977A1 - Filterelement zur filtrierung von fluiden - Google Patents
Filterelement zur filtrierung von fluiden Download PDFInfo
- Publication number
- WO2012103977A1 WO2012103977A1 PCT/EP2011/072161 EP2011072161W WO2012103977A1 WO 2012103977 A1 WO2012103977 A1 WO 2012103977A1 EP 2011072161 W EP2011072161 W EP 2011072161W WO 2012103977 A1 WO2012103977 A1 WO 2012103977A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter element
- cover
- opening
- filter
- adhesive layer
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 8
- 239000012530 fluid Substances 0.000 title claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 19
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000011109 contamination Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 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
- B01D29/11—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/308—Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter
Definitions
- the invention relates to a filter element for filtering fluids, in particular fuel, oil, gas, preferably air, or water, in particular an internal combustion engine, in particular of a motor vehicle, with a surrounding an interior filter medium having at least one end body, which has an opening to the Interior and the opening is covered by a removable cover.
- an air filter element with a cylindrical filter bellows is known.
- the filter bellows is closed on each end with an end plate. At least one of the end disks is annular, so that a central inner flow channel is open.
- the end plate and the central inner flow channel of the filter element are completely covered by a cover.
- the cover is connected to the end plate. The wall thickness of a junction of the cover with the end plate is kept very thin, to facilitate easy tearing by hand.
- the cover is provided with a tear-off tab on which it can be easily grasped. Before the filter element can be inserted into an air filter housing, the cover must be removed.
- the invention has for its object to design a filter element of the type mentioned, in which an interior facing the inside of the filter medium after production to the installation of the filter element is even better protected against contamination and / or damage.
- the cover has an adhesive layer on its surface facing the opening, the surface over an inner region of the surface of the cover, which covers the opening, and an inner region surrounding the outside mounting region of the surface Cover extends and with the cover in the attachment area adheres to an end body-side adhesive surface surrounding the opening.
- the adhesive layer has a permanent and removable adhesive effect.
- the adhesive layer fulfills a holding function.
- the cover is held with the adhesive layer on the end body side adhesive surface.
- the bond on the adhesive layer is easily solvable, so that the cover can be separated easily and without effort from the adhesive surface.
- the adhesive layer fulfills a cleaning function for the interior of the filter element. Adhesive particles stick to the adhesive layer, which are located in the interior. In this way it prevents the particles from settling on the inside of the filter medium and polluting them.
- a filter element is realized with the adhesive layer, since it cleans itself after production in the interior.
- the cover completely covers the opening to the interior.
- the dimensions of the cover plate can be optimally adapted to the opening and the surrounding adhesive surface, so that the material used in the cover can be minimized.
- the filter element can fulfill increased cleanliness requirements which are made possible, in particular, during production under clean-room conditions.
- the cover may also have the function of a seal. An undamaged cover gives a user an indication that the filter element meets the appropriate cleanliness requirements.
- the cover may additionally have the function of a label.
- the cover plate On the outer surface opposite the adhesive layer, the cover plate may be provided with markings and / or instructions for using the filter element, in particular in the form of pictograms. Alternatively or additionally, designations of origin and / or quality designations may also be provided. Information about the fact that the filter element was manufactured under clean room conditions can be attached to the cover plate.
- the cover can be easily separated from the end body, also made of a different material.
- the surface of the cover can be easily provided flat with the adhesive layer.
- the adhesive layer may be an adhesive layer. Adhesive can be simply applied flat to the surface of the cover.
- a permanently incompletely curing adhesive can be used.
- the interior can be located on a clean side of the filter medium.
- the cover simply the clean side of the filter medium sealed and protected from dirt and damage.
- the filtered with the filter medium fluid flows off.
- the clean side must therefore not be dirty or damaged to ensure efficient filtration.
- connection piece which surrounds the opening can be arranged on the outside of the end body facing away from the interior, and the adhesion surface can be formed at least from one end face of the connection piece.
- the cover plate and the end face of the connecting piece are protected from contamination and damage.
- the thus protected end face can also be used as a sealing surface when the filter element is installed.
- the cover plate may have a tear-off tab. At the tear tab, the cover can be easily grasped to separate the cover from the filter element.
- the filter medium can advantageously be cylindrical tube-shaped.
- a cylindrical tubular filter medium can be easily manufactured.
- the filter medium can be coaxially zigzag-shaped, in particular folded out of a filter fleece or filter paper and closed in the circumferential direction. Cylinder-shaped filter media are space-saving and have an optimal ratio of active filter surface to required space.
- Figure 1 is an isometric view of a filter element for fuel, in which an interior is closed with a removable cover;
- Figure 2 shows the filter element of Figure 1, in which case the cover is separated from a filter bellows
- Figure 3 shows the filter element and the cover of Figure 2 in a side view.
- FIGS. 1 to 3 show a filter element 10 for filtering fuel.
- the filter element 10 is provided for installation in a, not shown in Figures 1 to 3 fuel filter housing an internal combustion engine of a motor vehicle.
- the filter element 10 comprises a cylindrical tube-shaped filter bellows 12 made of a zigzag-folded, fuel-permeable filter medium, for example a filter fleece or a filter paper.
- a connection end disk 14 is placed as an end body and connected in a liquid-tight manner to the filter bellows 12.
- a second end plate 16 is placed and also liquid-tightly connected to the filter bellows 12.
- the Ranendone 14 is annular. It has an opening 18 to an interior 20 of the filter bellows 12, which is shown in particular in Figure 2.
- the inner space 20 adjoins the clean side of the filter medium of the filter bellows 12.
- the fuel to be filtered flows through the filter bellows 12 from the raw side from radially outside to inside to the clean side.
- the axial outer side of the connection end plate 14 coaxial with the opening 18, a connecting piece 22 is arranged for the fuel filter housing.
- the connecting piece 22 surrounds the opening 18.
- In its radially outer peripheral side of the connecting piece 22 has a sealing groove 24 for a ring seal, not shown, which rests tightly with a built-filter element 10 to a corresponding connection geometry of the fuel filter housing.
- the free end face of the connecting piece 22 On its side facing away from the interior 20, the free end face of the connecting piece 22 has a flat, coaxial to the opening 18 annular surface which forms an adhesive surface 26 for a cover plate 28.
- the cover plate 28 is made of a film material, for example made of plastic or metal. It has, on its surface facing the opening 18, an adhesive layer 30 of adhesive, which is indicated by dots in the side view in FIG. With the adhesive layer 30, the cover plate 14, as shown in Figure 1, easily removably attached to the adhesive surface 26 of the connecting piece 22. The cover 14 completely covers the opening 18.
- the adhesive layer 30 extends over an area 32 of the inner surface 32 of the cover plate 14 and a surface of the surface surrounding the inner region 32 radially outwardly. In the attachment region 34, the adhesion layer 30 lies flat against the adhesive surface 26 of the connecting piece 22.
- the inner region 32 covers the opening 18 when the cover plate 28 is mounted. In the inner region 32, the adhesive layer 30 directly adjoins the inner space 20. In the interior 20 about existing particles, such as dirt or material residues, can get to the adhesive layer 30 and adhere to this.
- the cover plate 28 also has a tear-off tab 36, which can be used to remove the cover plate 28 from the connecting piece 22.
- connection end plate 14 is provided with the connecting piece 22.
- the filter bellows 12 is folded out of the filter medium and tightly connected to the terminal end plate 14 and the end plate 16.
- the cover plate 28 is provided with the adhesive layer 30. It is pressed forward with the adhesive layer 30, in FIG. 2 in the direction of an arrow 38, onto the adhesive surface 26. In this way, the interior 20 are closed to the outside and the adhesive surface 26 of the connecting piece 22 is protected.
- the manufacture of the filter element 10, including the attachment of the cover plate 28, can take place under clean-room conditions. In this way, it is ensured that the burden of the interior space 20 with dirt particles is kept correspondingly low.
- the clean side of the filter element 10 and the end face of the connecting piece 22 are protected from the outside against contamination or damage, especially during storage and during transport.
- particles contained, such as dirt or material residues pass through the opening 18 to the adhesive layer 30 in the inner region 32 of the cover 28, stick to this and are thus kept away from the clean side of the filter bellows 12.
- the cover plate 28 Before installing the filter element 10 in the fuel filter housing, the cover plate 28 must be removed by pulling on the tear-off tab 36 from the connecting piece 22. The filter element 10 is then inserted into the fuel filter housing.
- the invention is not limited to filter elements 10 for fuel of internal combustion engines of motor vehicles. Rather, it can also be used in other types of filter elements for filtering fluids, for example oil, gas, in particular air or water. Except in automotive technology, it can also be used in other types of internal combustion engines, such as industrial engines. she can also be used outside of internal combustion engines, for example in water systems.
- the filter medium may instead of zigzag folded and differently designed to the filter bellows 12. Instead of being folded, the filter medium may also be flat, preferably equipped with a correspondingly large radial extent.
- the filter bellows may instead of a cylindrical tube also have a different, surrounding an interior shape, such as a conical shape.
- a membrane filter or an activated carbon filter may be provided.
- connection end disk 14 the other end disk 16 may also have a corresponding opening to the interior 20, which may be covered with a corresponding cover disk, which is similar to the cover disk 28.
- the cover 28 may be realized in a dimensionally stable instead of foil.
- the cover plate 28 may be, for example, a stable plastic plate or metal plate.
- the cover plate 28 may also be designed so that it is irreparably destroyed during the removal.
- the cover plate 28 may for example be provided with predetermined breaking points. In this way, the cover 28 can also fulfill a sealing function. Thus, it can be easily recognized by a user whether the cover plate 28 has completely protected the interior 20 of the filter bellows 12 since the manufacture of the filter element 10. This is positive, especially with regard to quality assurance.
- the adhesive layer 30 may be made of a different type of adhesive material instead of adhesive, which is able to reliably hold the cover plate 28 to the adhesive surface 26 and capture particles in the interior space 20.
- indications of origin or quality instructions for example indications that the filter element 10 may also be used under clean room conditions, be provided.
- the symbols 40 on the outer surface of the cover plate 28 can also be dispensed with.
- the clean side of the filter bellows 12 can also be located radially on the outside and the raw side can adjoin the interior 20. In this case, the filter bellows 12 is flowed through from radially inward to outward.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201190001011.1U CN203663604U (zh) | 2011-01-31 | 2011-12-08 | 用于过滤流体的过滤器元件 |
DE112011104799T DE112011104799A5 (de) | 2011-01-31 | 2011-12-08 | Filterelement zur Filtrierung von Fluiden |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011009922A DE102011009922A1 (de) | 2011-01-31 | 2011-01-31 | Filterelement zur Filtrierung von Fluiden |
DE102011009922.0 | 2011-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012103977A1 true WO2012103977A1 (de) | 2012-08-09 |
Family
ID=45349177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/072161 WO2012103977A1 (de) | 2011-01-31 | 2011-12-08 | Filterelement zur filtrierung von fluiden |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN203663604U (de) |
DE (2) | DE102011009922A1 (de) |
WO (1) | WO2012103977A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104467280A (zh) * | 2013-09-25 | 2015-03-25 | 博世汽车部件(长沙)有限公司 | 驱动装置及其过滤部件 |
JP2018008262A (ja) * | 2016-07-05 | 2018-01-18 | 株式会社エフテック | 液体ろ過用減圧カプセルフィルタ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321139A (en) * | 1980-05-07 | 1982-03-23 | American Home Products Corporation | Filtering unit for biological fluids |
EP0811411A2 (de) * | 1996-06-05 | 1997-12-10 | Fleetguard, Inc. | Auswechselbares Filterelement und Schnappfilterdeckelanordnung |
GB2318525A (en) * | 1996-10-25 | 1998-04-29 | Intersep Ltd | Sterile filter |
WO2008015165A1 (de) | 2006-08-03 | 2008-02-07 | Mann+Hummel Gmbh | Luftfilterelement mit abgedeckten endscheiben |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1052607A (ja) * | 1996-08-09 | 1998-02-24 | Denso Corp | フィルタエレメントおよびフィルタ装置 |
-
2011
- 2011-01-31 DE DE102011009922A patent/DE102011009922A1/de not_active Withdrawn
- 2011-12-08 WO PCT/EP2011/072161 patent/WO2012103977A1/de active Application Filing
- 2011-12-08 DE DE112011104799T patent/DE112011104799A5/de active Pending
- 2011-12-08 CN CN201190001011.1U patent/CN203663604U/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321139A (en) * | 1980-05-07 | 1982-03-23 | American Home Products Corporation | Filtering unit for biological fluids |
EP0811411A2 (de) * | 1996-06-05 | 1997-12-10 | Fleetguard, Inc. | Auswechselbares Filterelement und Schnappfilterdeckelanordnung |
GB2318525A (en) * | 1996-10-25 | 1998-04-29 | Intersep Ltd | Sterile filter |
WO2008015165A1 (de) | 2006-08-03 | 2008-02-07 | Mann+Hummel Gmbh | Luftfilterelement mit abgedeckten endscheiben |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104467280A (zh) * | 2013-09-25 | 2015-03-25 | 博世汽车部件(长沙)有限公司 | 驱动装置及其过滤部件 |
JP2018008262A (ja) * | 2016-07-05 | 2018-01-18 | 株式会社エフテック | 液体ろ過用減圧カプセルフィルタ |
Also Published As
Publication number | Publication date |
---|---|
DE112011104799A5 (de) | 2013-10-24 |
DE102011009922A1 (de) | 2012-08-02 |
CN203663604U (zh) | 2014-06-25 |
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