WO2008011935A1 - Filtersystem für fluide - Google Patents
Filtersystem für fluide Download PDFInfo
- Publication number
- WO2008011935A1 WO2008011935A1 PCT/EP2007/005235 EP2007005235W WO2008011935A1 WO 2008011935 A1 WO2008011935 A1 WO 2008011935A1 EP 2007005235 W EP2007005235 W EP 2007005235W WO 2008011935 A1 WO2008011935 A1 WO 2008011935A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end cap
- filter
- fluid container
- filter element
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000001175 rotational moulding Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation 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
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
- B01D35/0276—Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- 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
- B01D2201/301—Details of removable closures, lids, caps, filter heads
- B01D2201/306—Closures, lids, caps or filter heads forming one element with 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
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4046—Means for avoiding false mounting of different parts
Definitions
- the invention relates to a filter system for fluids, comprising a fluid container, in particular in the form of a hydraulic tank, and a filter element which can be installed in the latter and which has a fluid-permeable support tube surrounded by a filter medium, which forms an inner fluid space which is connected at one end by a End cap is closed, wherein the support tube at its other, open end at the edge of an access opening of Fluidbe container can be fixed.
- Such filter systems are available in a variety of construction and execution forms on the market. Among other things, they serve to filter contaminants in fluids, such as hydraulic oil, out of them. Dirt on the hydraulic oil during installation and commissioning of the respective hydraulic system, and in addition to this initial contamination can lead to contamination during operation, for example, by ingress of dirt on the hydraulic tank due to insufficient tank ventilation, pipe penetrations, piston rod seals and the like. If, in the case of hydraulic systems of working machines, such as earthmoving machines, excavators or the like, contamination is present within the hydraulic tank stored in the hydraulic tank.
- the filter system may be expedient to initiate the filtration directly in the region of the hydraulic tank, for example by installing the filter element directly into the tank, wherein the hydraulic oil removed from the tank contents flows directly through the filter medium of the filter element for filtering off contaminants and the thus purified fluid is then returned to the tank contents.
- the filter system only cleans the tank contents.
- the filter system according to filtered and purified fluid promotes in a hydraulic circuit of the working machine to recirculate from there the fluid in the tank, which can experience contamination with solid particles in such a circuit in the hydraulic circuit.
- the invention has the object, a filter system in the form of a so-called in-tank system available provide, in spite of immaculate securing position of the filter element whose replacement is easy and convenient to carry out and the filter system also characterized by a particularly simple, inexpensive to produce construction.
- a significant feature of the invention is that an end-side centering of the filter element is formed in cooperation between a centering part on the end cap of the filter element and a positioning part connected to the wall of the fluid container.
- the engagement between the centering part and the positioning part can take place by the insertion of the filter element through the access opening and the release of the centering engagement by the removal of the filter element from the access opening.
- the front-side centering of the filter element to the end cap, that is at the opposite of the access opening end of the support tube, resulting in cooperation with the opening at the inlet ⁇ provided for fixing the opening side end of the support tube a reliable positional fixing, that is, a secure mounting of the filter element also at occurring dynamic loads.
- the invention offers the advantage of simplified maintenance due to the easy to manufacture and to be solved anchoring during replacement operations of the filter element.
- the positioning part may be formed by a deformation of the wall of the fluid container.
- Such embodiments are particularly simple and inexpensive to manufacture bar, for example, by making the container in a blow molding process or by the known rotational molding process, wherein for larger containers, such as tanks for hydraulic fluids, for example, PE or PA plastic material can be used.
- the wall of the fluid container has a deformation in the shape of a pot whose bottom together with the adjacent side walls projecting into the container interior pin for the centering forms with the depression, a particularly reliable anchoring of the filter element is ensured with the simplest design.
- Such embodiments are also characterized by a particularly good ease of use, when the arrangement is such that the pin has in its located in the container interior end portion a pin diameter reducing bevel.
- a secure centering engagement takes place when the end cap of the filter element moves toward the bevelled pin.
- the centering part may be formed by a nose-like projection of the end cap of the filter element, which has a U-profile section which, acting as a positioning part, protrudes inwardly on the wall of the fluid container, centered in the U-profile engaging rib structure the built-in filter element.
- the extension may be attached to the end rim of the end cap forming an edge enclosure for the associated end region of the filter medium.
- the rib structure forming the positioning part of the second embodiment can be formed by an integral wall part of the container, wherein the rib structure can be formed by an elongated, drawn into the container interior wall portion of the fluid container and wherein the retracted wall portion forms with its outer side in the wall of the fluid container a groove extending in the direction of the rib structure, which is open at two adjacent sides of the fluid container.
- a rib is formed in the interior of the container, which extends away from a side wall of the container at a distance from the container bottom, thus extending transversely to the insertion direction of the filter element introduced from the container top side.
- the invention is also a the features of claim 10 exhibiting filter element for the filter system according to the invention.
- FIG. 1 shows a slightly simplified simplified drawn longitudinal section of an embodiment of the filter system according to the invention
- FIG. 2 is a comparison with FIG. 1 greatly enlarged partial view of FIG.
- FIG. 4 shows a partial section, enlarged in relation to FIG. 3, corresponding to the section line IV-IV of FIG. 3;
- Fig. 5 shows a slightly simplified schematic drawn longitudinal section only of the filter element of the embodiment of FIGS. 3 and 4 and
- FIG. 6 shows a comparison with FIG. 5 slightly enlarged drawn perspective view oblique view of the filter element.
- FIGs. 1 and 2 illustrate a first embodiment of the filter system according to the invention in the form of a so-called in-tank filter system, in which a designated as a whole with 1 filter element is installed in a hydraulic tank 3.
- This is a plastic tank which is made according to the known rotational molding process (see Schaab / Stoeckhert, "Kunststoff Maschinen réelle", page 561-564) from a suitable for larger containers plastic material, wherein at the top of an access opening 5 during the process
- the access opening 5 is concentric with a central vertical axis 7 (axis of rotation with respect to the molding process), at the bottom 9 of the tank 3 opposite the opening 5, also in the rotational molding process, concentric with the axis 7 1 1 of the tank 3, which has the shape of a pot whose base 15 together with the adjoining side wall 17 forms a positioning body which is concentric with the axis 7.
- FIG 17 of the pin 13 in the adjacent to the bottom 15 end a Bevel
- the filter element 1 has in the usual manner in such filter means an inner fluid space 21 forming support tube 23 which is made of metal or plastic and, as can be seen from Fig. 2, fluid passages, of which only in Fig. 2 one is designated 25.
- the support tube 23 is surrounded on the outside by a filter medium 27, which has a suitable for the respective filtration process, known per se structure.
- the support tube 23 is connected together with the associated end of the filter medium 27 with an element cover 29.
- the cover 29, which in the present example is an aluminum alloy die-cast part, has a central opening 31 for forming a fluid connection (not shown).
- the opening 31 is surrounded by a concentric annular groove 33.
- This forms a seat for the respective end of the support tube 23 and the filter medium 27, wherein in the seat a connection by means of an epoxy adhesive is present.
- the lid 29 forms a flange edge 35, which is detachably attachable to the outside of the tank 3, wherein the flange edge 35 forms an enclosure for a sealing element 37.
- the opening 31 opposite end of the filter element 1 is closed by an end cap 39.
- This is shaped so that a recess 41 extending into the fluid space 21 is formed, whose side wall 43 extends along the inside of the end portion of the support tube 23.
- the replacement of the filter element 1 is extremely simple, since during installation of the filter element 1 this only inserted in the course of a Einschiebezi through the access opening 5 of the tank 3 and needs to be pushed onto serving as a positioning part pin 13 wherein the engagement between the centering acting recess 41 of the end cap 39 and serving as a positioning part pin 13 is made. Due to the end 13 provided on the pin 13 bevel 19 is a safe centering engagement, even if a certain misalignment should be present during insertion process. At the same time, the centering of the filter element 1, which is opposite to the cover 29, ensures its perfect positional securing in the tank, even if the tank 3 is exposed to dynamic loads, for example shocks or vibrations.
- Fig. 3 to 6 illustrate a second embodiment.
- parts of the second embodiment corresponding to those of the first embodiment are denoted by the same reference numerals as in the first example.
- the difference to the first embodiment consists only in the different construction of the present at the end cap 39 of the filter element 1 centering part and the correspondingly different design of the positioning part on the wall of the
- a deformation of the wall of the tank 3 in the form of a rib-like structure 47 is provided by egg- ner side wall 49 starting projecting into the interior 1 1 of the tank 3, wherein it forms a straight rib at a distance from the bottom 9.
- This deformation of the wall of the tank 3 forms on its outer side a narrow recess in the form of a groove 51 which is open on the outside of the bottom 9 and on the outside of the side wall 49.
- an extension 53 which is designed nose-like so that a U-professional Labchanging 55 is formed.
- the extension 53 can be pushed onto the rib-like structure 47 in such a way that a centering engagement takes place by engagement in the U-profile section 55.
- the process of element replacement is simple, convenient and secure, by the extension 53 serving as the centering part being inserted as the positioning part when the filter element 1 is inserted through the access opening 5 of the tank 3 serving, rib-like structure 47 is postponed.
- the centering engagement leads to the desired securing position of the filter element 1 in the interior 1 1 of the tank 3.
- the extension 53 can be integrally formed on the end cap 39 or as a separate part with the end cap 39, for example by an epoxy adhesive, connected.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/309,677 US20090321341A1 (en) | 2006-07-28 | 2007-06-14 | Filter system for fluids |
EP07726002A EP2046474A1 (de) | 2006-07-28 | 2007-06-14 | Filtersystem für fluide |
JP2009521119A JP5016042B2 (ja) | 2006-07-28 | 2007-06-14 | 流体用フィルタシステム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006034943.1 | 2006-07-28 | ||
DE102006034943A DE102006034943A1 (de) | 2006-07-28 | 2006-07-28 | Filtersystem für Fluide |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008011935A1 true WO2008011935A1 (de) | 2008-01-31 |
Family
ID=38462120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/005235 WO2008011935A1 (de) | 2006-07-28 | 2007-06-14 | Filtersystem für fluide |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090321341A1 (de) |
EP (1) | EP2046474A1 (de) |
JP (2) | JP5016042B2 (de) |
CN (1) | CN101495207A (de) |
DE (1) | DE102006034943A1 (de) |
WO (1) | WO2008011935A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009013070A1 (de) * | 2009-03-13 | 2010-09-23 | Hydac Filtertechnik Gmbh | Filtervorrichtung, insbesondere Rücklauf-Saugfilter, sowie Filterelement für den Einsatz bei einer solchen Filtervorrichtung |
DE102009050587A1 (de) | 2009-10-24 | 2011-04-28 | Hydac Filtertechnik Gmbh | Filtervorrichtung sowie Filterelement für den Einsatz bei einer solchen Filtervorrichtung |
DE102011105555A1 (de) * | 2011-06-25 | 2012-12-27 | Hydac Filtertechnik Gmbh | Filtervorrichtung |
US8580109B2 (en) | 2011-09-15 | 2013-11-12 | Whirlpool Corporation | Electronic interface for water filter system |
US20130068684A1 (en) | 2011-09-15 | 2013-03-21 | Whirlpool Corporation | Filter unit |
US8845896B2 (en) | 2011-09-15 | 2014-09-30 | Whirlpool Corporation | Water filter system |
FR2993475B1 (fr) * | 2012-07-19 | 2015-06-26 | Cummins Filtration Sarl | Ensemble de filtrage comportant une cartouche de filtration amovible |
GB2522219A (en) * | 2014-01-16 | 2015-07-22 | Icon Technology Systems Ltd | Fluid filter |
US10525387B2 (en) | 2017-04-06 | 2020-01-07 | Whirlpool Corporation | Filter cartridge |
WO2019018073A1 (en) * | 2017-06-08 | 2019-01-24 | Primo Filters, Llc | FOLDABLE WATER FILTRATION BUCKET AND DEVICE |
US10584040B2 (en) | 2017-10-06 | 2020-03-10 | Whirlpool Corporation | Filter cartridge |
JP7082874B2 (ja) * | 2017-12-26 | 2022-06-09 | ヤマシンフィルタ株式会社 | フィルタ装置 |
CN108721990B (zh) * | 2018-04-17 | 2020-08-07 | 永嘉县恒正阀门有限公司 | 一种增强y型过滤器 |
US10807025B2 (en) | 2018-08-06 | 2020-10-20 | Whirlpool Corporation | Blind attachment interface for filter housing assembly |
TR201913423A2 (de) * | 2019-09-05 | 2021-03-22 | Arcelik As |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9414297U1 (de) | 1994-09-06 | 1994-10-27 | Filterwerk Mann & Hummel Gmbh, 71638 Ludwigsburg | Filter |
DE19917567A1 (de) | 1999-04-19 | 2000-11-02 | Brueninghaus Hydromatik Gmbh | Filtervorrichtung mit einem lösbaren Fitergehäuse |
US6589419B1 (en) | 1998-11-24 | 2003-07-08 | Marwal Systems | Filtering means for fuel drawing assembly |
DE20213512U1 (de) | 2002-09-03 | 2004-01-15 | Hengst Gmbh & Co.Kg | Filter mit verdrehgesichertem Filtereinsatz und Deckel dafür |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742610C2 (de) * | 1977-09-22 | 1982-09-09 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Ölbehälter |
US4133769A (en) * | 1977-11-25 | 1979-01-09 | Filter Specialists, Inc. | Liquid filter having self-retaining filter bag |
DE2927668C2 (de) * | 1979-07-09 | 1982-06-03 | Grünbeck Wasseraufbereitung GmbH, 8884 Höchstädt | Mit Flüssigkeit durchströmter Filter |
JPS58100012U (ja) * | 1981-12-28 | 1983-07-07 | 日本濾過器株式会社 | オイルフイルタ構造 |
JPH0135211Y2 (de) * | 1984-12-29 | 1989-10-26 | ||
JPS61187209U (de) * | 1985-05-15 | 1986-11-21 | ||
JPS6338611U (de) * | 1986-08-28 | 1988-03-12 | ||
JPS6452515U (de) * | 1987-09-28 | 1989-03-31 | ||
DE19539918C1 (de) * | 1995-10-27 | 1997-02-06 | Hengst Walter Gmbh & Co Kg | Flüssigkeitsfilter, insbesondere für Öl oder Kraftstoff einer Brennkraftmaschine, und dazu passender maschinenseitiger Filteranschlußflansch |
JPH10235110A (ja) * | 1997-02-25 | 1998-09-08 | Denso Corp | エレメント交換型オイルフィルタ |
JPH11137925A (ja) * | 1997-11-13 | 1999-05-25 | Denso Corp | オイルフィルタ用ガスケット及びそれを用いたオイルフィルタ |
DE19935504A1 (de) * | 1999-07-28 | 2001-02-01 | Mann & Hummel Filter | Filteranordnung |
US20020125188A1 (en) * | 2001-03-06 | 2002-09-12 | Hacker John R. | Liquid filter having interchangeable spin-on canister filter and cartridge filter, and methods |
JP2003126612A (ja) * | 2001-10-29 | 2003-05-07 | Toyo Element Industry Co Ltd | オイルフィルタ |
US6848584B2 (en) * | 2002-09-26 | 2005-02-01 | Drilltec Patents & Technologies Co., Inc. | Strainer basket and method of making and using the same |
US20050072302A1 (en) * | 2003-10-03 | 2005-04-07 | Miller Terry L. | Screen filter assembly and engines using same |
JP4049731B2 (ja) * | 2003-11-18 | 2008-02-20 | 有限会社スラッシュ | オイルフィルター |
DE102004014149B4 (de) * | 2004-03-20 | 2007-01-25 | Hydac Filtertechnik Gmbh | Filtervorrichtung |
US7335300B1 (en) * | 2004-07-14 | 2008-02-26 | Wix Filtration Corp Llc | Fluid filter element |
DE102005001828A1 (de) * | 2005-01-14 | 2006-07-27 | Hydac Filtertechnik Gmbh | Armatur zur Bildung eines fluidführenden Anschlusses |
EP1847174A3 (de) * | 2006-04-13 | 2008-05-21 | Newa Tecno Industria S.R.L. | Aquarienfilter |
-
2006
- 2006-07-28 DE DE102006034943A patent/DE102006034943A1/de not_active Ceased
-
2007
- 2007-06-14 EP EP07726002A patent/EP2046474A1/de not_active Withdrawn
- 2007-06-14 CN CNA2007800279766A patent/CN101495207A/zh active Pending
- 2007-06-14 JP JP2009521119A patent/JP5016042B2/ja not_active Expired - Fee Related
- 2007-06-14 US US12/309,677 patent/US20090321341A1/en not_active Abandoned
- 2007-06-14 WO PCT/EP2007/005235 patent/WO2008011935A1/de active Application Filing
-
2011
- 2011-12-13 JP JP2011272058A patent/JP5426646B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9414297U1 (de) | 1994-09-06 | 1994-10-27 | Filterwerk Mann & Hummel Gmbh, 71638 Ludwigsburg | Filter |
US6589419B1 (en) | 1998-11-24 | 2003-07-08 | Marwal Systems | Filtering means for fuel drawing assembly |
DE19917567A1 (de) | 1999-04-19 | 2000-11-02 | Brueninghaus Hydromatik Gmbh | Filtervorrichtung mit einem lösbaren Fitergehäuse |
DE20213512U1 (de) | 2002-09-03 | 2004-01-15 | Hengst Gmbh & Co.Kg | Filter mit verdrehgesichertem Filtereinsatz und Deckel dafür |
Also Published As
Publication number | Publication date |
---|---|
JP5426646B2 (ja) | 2014-02-26 |
JP2009544461A (ja) | 2009-12-17 |
US20090321341A1 (en) | 2009-12-31 |
DE102006034943A1 (de) | 2008-01-31 |
EP2046474A1 (de) | 2009-04-15 |
JP5016042B2 (ja) | 2012-09-05 |
JP2012096230A (ja) | 2012-05-24 |
CN101495207A (zh) | 2009-07-29 |
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