WO2018072868A1 - Cassette filtrante pour filtration d'huile de transmission - Google Patents

Cassette filtrante pour filtration d'huile de transmission Download PDF

Info

Publication number
WO2018072868A1
WO2018072868A1 PCT/EP2017/001189 EP2017001189W WO2018072868A1 WO 2018072868 A1 WO2018072868 A1 WO 2018072868A1 EP 2017001189 W EP2017001189 W EP 2017001189W WO 2018072868 A1 WO2018072868 A1 WO 2018072868A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
cartridge according
shell
filter cartridge
filtration
Prior art date
Application number
PCT/EP2017/001189
Other languages
German (de)
English (en)
Other versions
WO2018072868A8 (fr
Inventor
Alexander Nenno
Daniel Kleemann
Original Assignee
Hydac Filtertechnik Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hydac Filtertechnik Gmbh filed Critical Hydac Filtertechnik Gmbh
Publication of WO2018072868A1 publication Critical patent/WO2018072868A1/fr
Publication of WO2018072868A8 publication Critical patent/WO2018072868A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0031—Degasification of liquids by 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
    • B01D29/11—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
    • 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
    • B01D29/114—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 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
    • B01D29/50—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
    • B01D29/52—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 parallel connection
    • B01D29/54—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 parallel connection arranged concentrically or coaxially
    • 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
    • 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
    • B01D35/0273—Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in 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
    • B01D35/06—Filters making use of electricity or magnetism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material

Definitions

  • the invention relates to a filter cartridge for transmission oil filtration, which can be used in the bottom region of a transmission housing, with at least two filter elements, which differ in their filtration fineness.
  • a filter device for the transmission oil In this regard, DE 10 2007 023 641 B4 shows a filter device in the form of a filter cassette of the type mentioned, which operates as a suction filter. The design as a suction filter is characterized in
  • Pressure oil filter devices which usually operate in a bypass flow and are mounted externally within the transmission housing or on the transmission housing, have connections with hose or pipe connections that run outside of the transmission, resulting in greater space and weight.
  • overpressure protection in the pressure oil filter circuit usually by means of a bypass valve, is required.
  • a flat web of a filter fleece is provided as filter elements. These tracks are in the vertical direction, ie, offset in the direction of the suction flow from the bottom of the cartridge to each other, the webs are held both by spacers between them at a vertical distance from each other, and held by spacers at a distance from the cassette bottom and the cassette top wall forming are.
  • the invention has the object to provide a filter cartridge of the type mentioned is available, which is characterized both by a particularly low height and high filtration efficiency. According to the invention this object is achieved by a filter cartridge having the features of claim 1 in its entirety.
  • an essential feature of the invention is that the filter elements are at least partially, preferably completely in a common plane.
  • the filter elements are at least partially, preferably completely in a common plane.
  • flat webs of filter fleece filter elements provide, as they have for high filter performance usually multilayer filter media, for example in the form of a filter mat with multiple pleated layers.
  • multilayer filter media for example in the form of a filter mat with multiple pleated layers.
  • this makes it possible to achieve large filter surfaces and thus high cleaning efficiency at low ⁇ and low suction pressure.
  • the filter material of the filter elements surrounds an inner filter cavity, wherein the filter material is guided on deviating from the circular path such that results in a flat-stretched outer shape for the filter element.
  • Filter elements in which the filter material surrounds an inner filter cavity are common in a circular cylindrical shape as so-called filter cartridges and are widely used because of their advantageous properties.
  • the advantages of such filter elements can be used in a flat-pressed, wide design, in which the inner filter cavity has the shape of a wide and flat oval, as well as the outside of the filter material, even in the filter cartridge according to the invention.
  • a filter element for a coarse filtration with a filter fineness of about 50 ⁇ and a filter element for a fine filtration with a filter fineness of about 10 / m can be provided.
  • the filter cassette has an outer casing, on the upper side of which at least one connecting piece is arranged, wherein a filter element is located on both sides of the respective nozzle. If the coarse filter and the fine filter have different dimensions measured in the horizontal direction, the respective connecting piece is located outside the central area of the filter cassette.
  • the outer shell has the shape of a shallow shell with a peripheral edge extending from the upper side having the respective connecting piece, which surrounds the shell bottom, which is closed except for a fluid-permeable inflow region.
  • the shell bottom can be formed by a film of a plastic material, such as polyethylene terephthalate (PET), which has a localized perforation forming the inflow region.
  • PET polyethylene terephthalate
  • Airborne levels of air which have been found to be up to 7%, have a negative impact on performance.
  • sucking in air through the suction oil pump there is a risk of damage due to cavitation.
  • air content in the oil of the converter deteriorates the controllability and can lead to jerking during the gear change.
  • the arrangement is such that the outer shell of the filter cartridge has a peripheral edge of the tray to form a space surrounding outer edge, that the gap over most of its length through slots to the top of Outer shell is open and that in the intermediate space a ring of coalescing, degassing the gear oil effecting material is provided which projects outwardly from the intermediate space and stands up in the functional position on the bottom of the gear housing.
  • the air separated from the coalescer standing in the oil rises in the space between the shell peripheral edge and the shell outer edge and exits through the slots of the top of the outer shell, so that the suction oil pump sucks largely air-free oil.
  • the arrangement can be made such that a fluid path to the upstream side of both filter elements is formed by the inflow region of the shell bottom and that for a parallel suction filtration through both filter elements whose outflow sides are connected to a common pump connection piece or with its own pump connection piece.
  • the fine filter can advantageously be designed with a filter surface which is larger than the coarse filter.
  • a two-circuit filtration may be provided, the downstream side being connected to a pump connection for operation of the coarse filter as a suction filter, and its inflow side being connected to a return connection for operation of the fine filter as a return filter, and the outflow side of the fine filter connected to the pump port. Since the return flow is fed to the fine filter via the return connection at a return oil pressure, which can be up to 5 bar in operation, and the filtrate from the return filter (fine filter) is fed into the pump connection and thus directly into the suction line of the pump the suction pressure.
  • Pump connection and return connection can be formed by separate fluid paths in a common connection piece, or it can be provided own connection piece for pump and return connection.
  • the film forming the bottom of the tray may have a coating with magnetic particles, for example in the form of a lacquer.
  • a particularly flat design of the filter cartridge can be realized if the outer shell is formed of a flexible plastic film and a fluid-permeable drainage layer is provided in the space between the filter material of the filter elements and the outer shell. In this construction, in which inner fluid channels are formed by the drainage layer, the outer shell may have a shape which conforms directly to the drainage layer, so that the filter cassette has the lowest possible height.
  • Fig. 1 is a perspective oblique view of an embodiment of the filter cartridge according to the invention.
  • FIG. 2 shows a schematic simplified drawn vertical section of the embodiment with centrally extending cutting plane.
  • Figure 3 is a perspective view oblique view of the bottom of the shell of the outer shell of the embodiment, wherein the shell bottom is omitted.
  • Fig. 4 is a of FIG. 3 corresponding bottom view with attached
  • Fig. 5 is one of the Fig. 2 corresponding schematically simplified
  • FIG. 6 is a perspective oblique view, seen on the upper side, of a third embodiment of the filter cassette according to the invention and FIG Fig. 7 is a sectional view corresponding to Fig. 5 of the third embodiment of Fig. 6, wherein a degassing is omitted.
  • the filter cartridge according to the invention has an outer shell 2 which is injection-molded from a plastic material and which, s. Fig. 1, which has the shape of a flat Irelandeckquarders with rounded corners.
  • On the planar upper side 6 is located centrally between the long sides, but one of the narrow sides closer than the other narrow side te, a connecting piece 8.
  • an outer edge 10 which, like the top 6, is planar and at the embodiments shown has a vertical height which corresponds to about one tenth of the length of the long sides.
  • an inner shell is formed in the outer shell 2 by an inner peripheral edge 12 which extends at a distance within the outer edge 10 and parallel to this, which open at the bottom is and in, s.
  • Fig. 2 two filter elements 16 and 18 are added.
  • FIG. 3 shows the view from below into the opened shell without filter elements 16, 18 installed therein, while FIG. 4 shows the shell closed by a shell bottom 20.
  • This tray bottom 20 is formed by a plastic film, such as PET, which is welded to a circumferential edge strip 22 of the inner calculatorsran- 12.
  • the shell base 20, which otherwise closes the shell, has a perforation region 24 extending parallel to the narrow sides, which, see FIG. Fig. 2 is aligned with the connecting piece 8 and forms an inflow region for the filtration operation.
  • a circumferentially extending collar 26 of coalescing material for example in the form of a wire mesh, is arranged such that it protrudes beyond the underside of the shell bottom 20 and when inserted.
  • Construction of the filter cartridge is on the bottom portion of the transmission housing in the oil and causes a degassing. Exposed air rising in the intermediate space 14 exits via slots 28 located at the top 6.
  • the filter element 16 is a coarse filter with a filter fineness of 50 ⁇
  • the filter element 18 is a fine filter with a filter fineness of 10 ytvm.
  • the axial length of the filter element 18 is approximately 2.8 times the filter element 16.
  • the filter elements 16, 18 have as a filter medium a multilayer filter mat which surrounds an inner filter cavity 30 or 32 and between end caps 34 and 36 attached to shoulders 38, which, see FIG. Fig. 2, are formed on the inside of the top 6, are welded to the outer shell 2.
  • the connecting piece 8 is connected to a suction oil pump of the transmission.
  • the oil enters via the perforation region 24 in inflow spaces 40 (FIG. 3) which are formed between a dividing wall 42 and strips 44 against which the foil of the shell bottom 20 rests.
  • the oil passes to the outside of the filter elements 16 and 18.
  • the filter material 48 is located between the outside of the filter material 48 and the adjacent wall of the outer housing 2 and the shell bottom 20 forming film each have a drainage läge 50 in the form of a fluid-permeable foam material, such as Dimicron.
  • the filtrate from the inner filter cavity 30 or 32 of the coarse filter element 16 or fine filter element 18, as indicated in FIG. 2 with outflow arrows 52 flows out of the connecting piece 8.
  • the foil forming the shell bottom 20 has a coating with magnetic particles.
  • the filter material is circular cylindrical, the filter material 48 is flattened, so to speak, in the filter elements 16, 18 according to the invention, ie, the inner filter cavity 30 and 32 as well Outside of the filter material 48 have the shape of a very flat oval, wherein the outside of the filter material 48 extends substantially over the entire width of the narrow side of the filter cartridge. With a large available filter surface, therefore, a flat construction of the outer shell 2 can be realized.
  • the arrangement of the drainage layers 50 on the outside of the filter material 48 opens up the possibility of the outer shell 2 instead of a solid plastic material of a flexible film, such as a polyamide such as PA6, form. Since the drainage layers 50 provide the required fluid paths, the outer shell 2 and the shell bottom 20 can directly conform to the inner contour, so that a particularly low overall height can be realized for the filter cartridge.
  • Fig. 5 shows a second embodiment of the invention, in which only the coarse filter forming the filter element 16 as a suction filter and the fine filter forming the filter element 18 is operable as a return filter.
  • the connecting piece 8 has two separate fluid paths, one of which forms a suction pump connection 54 and the other a return connection 56.
  • the filter element 16 flows through the perforation region 24 of the shell bottom 20 as a coarse filter as in the first exemplary embodiment toward the pump connection.
  • the fine filter forming the filter element 18 is via the return port 56 as Return filter operated, wherein, as shown in Fig. 5 with Einströmpfeil 58, the unfiltered material to the inner filter cavity 32 flows.
  • the filtrate exiting on the outside of the filter element 18, like the filtrate of the coarse filter passes directly to the pump connection 54, s. Arrow 60 of FIG. 5.
  • FIGS. 6 and 7 show a third embodiment in which, as in the example of Fig. 5, the coarse filter 16 is operated as a suction filter and the fine filter 18 as a return filter.
  • the difference to the example of Fig. 5 is that in addition to the pump connection 54 forming the connecting piece 8, a second connecting piece 62 is provided which forms the return port 56. Since the second connecting piece 62 is aligned with the connecting piece 8, it is not visible in the sectional view of FIG. 7.
  • the return flow is supplied at a return pressure, which may be up to 5 bar.
  • the suction pressure is thereby reduced for the pump connection 54.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Details Of Gearings (AREA)
  • Filtration Of Liquid (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une cassette filtrante pour la filtration d'huile de transmission, laquelle peut être insérée dans la zone de fond d'un carter de transmission, et laquelle est pourvue d'au moins deux éléments filtre (16, 18), qui se distinguent par leur finesse de filtration. L'invention est caractérisée en ce qu'au moins ces deux éléments filtre (16, 18) se situent sensiblement, de préférence dans un plan commun.
PCT/EP2017/001189 2016-10-19 2017-10-09 Cassette filtrante pour filtration d'huile de transmission WO2018072868A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE102016012614.0 2016-10-19
DE102016012614 2016-10-19
DE102017001716.6A DE102017001716A1 (de) 2016-10-19 2017-02-14 Filterkassette
DE102017001375.6 2017-02-14
DE102017001376.4A DE102017001376A1 (de) 2016-10-19 2017-02-14 Filterkassette für Getriebeölfiltration
DE102017001375.6A DE102017001375A1 (de) 2016-10-19 2017-02-14 Folie mit einem aus einem thermoplastischen Kunststoffmaterial bestehenden Flächenelement sowie Verfahren zur Herstellung der Folie
DE102017001716.6 2017-02-14
DE102017001376.4 2017-02-14

Publications (2)

Publication Number Publication Date
WO2018072868A1 true WO2018072868A1 (fr) 2018-04-26
WO2018072868A8 WO2018072868A8 (fr) 2018-07-05

Family

ID=61764915

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2017/001188 WO2018072867A1 (fr) 2016-10-19 2017-10-09 Cassette filtrante
PCT/EP2017/001189 WO2018072868A1 (fr) 2016-10-19 2017-10-09 Cassette filtrante pour filtration d'huile de transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/001188 WO2018072867A1 (fr) 2016-10-19 2017-10-09 Cassette filtrante

Country Status (2)

Country Link
DE (3) DE102017001376A1 (fr)
WO (2) WO2018072867A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018100145A1 (de) * 2018-01-04 2019-07-04 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Filtervorrichtung mit Luftabscheidung
CN111905449A (zh) * 2018-07-26 2020-11-10 揣羽 用于对金属漆进行铁锈杂质过滤处理的加工设备及加工方法
DE102018006672B3 (de) * 2018-08-23 2019-10-31 Hydac Fluidcarecenter Gmbh Behandlungsvorrichtung für Getriebeöl
CN113236751B (zh) * 2021-05-12 2022-06-14 瑞安市蓝星宇汽车科技有限公司 一种新能源混合动力汽车的变速箱滤清器及其工作方法
CN115531979A (zh) * 2022-09-16 2022-12-30 广东以色列理工学院 一种可实时调节液体渗透性的智能网材及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784011A (en) * 1972-04-28 1974-01-08 F P Smith Corp Automatic transmission fluid filter
US5584988A (en) * 1993-11-11 1996-12-17 Nissan Motor Co., Ltd. Filter for in-tank fuel pump
DE19727205A1 (de) * 1996-06-29 1998-12-24 Luk Fahrzeug Hydraulik Ölsaugfilter
US20130146526A1 (en) * 2011-07-27 2013-06-13 Toyota Boshoku Kabushiki Kaisha Fluid filter
DE102007023641B4 (de) 2007-05-22 2015-04-02 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Ölfiltervorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB569458A (en) * 1943-07-17 1945-05-24 Air Maze Great Britain Ltd Improvements relating to filters for fluids
JPH06185597A (ja) * 1992-12-16 1994-07-05 Nissan Motor Co Ltd 変速機のポンプ吸入構造
DE19933620A1 (de) * 1999-07-17 2001-01-18 Zahnradfabrik Friedrichshafen Ölfilter
US6793812B2 (en) * 2001-07-06 2004-09-21 Spx Corporation Fluid filtration assembly combining return-side and supply-side filters for use in a vehicle transmission
US20060180398A1 (en) * 2005-02-07 2006-08-17 Ibrahim Khalil Integrated waffle pan apparatus and method
US8246503B2 (en) * 2009-06-10 2012-08-21 United Technologies Corporation Epicyclic gear system with improved lubrication system
KR20110092655A (ko) * 2010-02-10 2011-08-18 현대 파워텍 주식회사 자동 변속기용 오일필터
DE102010035981A1 (de) * 2010-09-01 2012-03-01 Hydac Filtertechnik Gmbh Bauteil für eine Filtereinheit zur Filtration von Fluiden und Verfahren zur Herstellung eines derartigen Bauteils
JP5992784B2 (ja) * 2011-09-20 2016-09-14 Nok株式会社 オイルストレーナ
DE102011115050A1 (de) 2011-10-07 2013-04-11 Hydac Filtertechnik Gmbh Stützstruktur für ein Filterelement
DE102011117163B4 (de) * 2011-10-28 2015-03-05 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Filteranordnung
DE102011122348A1 (de) 2011-12-23 2013-06-27 Hydac Filtertechnik Gmbh Verfahren zum Herstellen einer mediendurchlässigen Hülle sowie Filterelement mit einer solchen Hülle
JP5928697B2 (ja) * 2012-02-21 2016-06-01 Nok株式会社 オイルストレーナ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784011A (en) * 1972-04-28 1974-01-08 F P Smith Corp Automatic transmission fluid filter
US5584988A (en) * 1993-11-11 1996-12-17 Nissan Motor Co., Ltd. Filter for in-tank fuel pump
DE19727205A1 (de) * 1996-06-29 1998-12-24 Luk Fahrzeug Hydraulik Ölsaugfilter
DE102007023641B4 (de) 2007-05-22 2015-04-02 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Ölfiltervorrichtung
US20130146526A1 (en) * 2011-07-27 2013-06-13 Toyota Boshoku Kabushiki Kaisha Fluid filter

Also Published As

Publication number Publication date
WO2018072868A8 (fr) 2018-07-05
WO2018072867A1 (fr) 2018-04-26
DE102017001375A1 (de) 2018-04-19
DE102017001376A1 (de) 2018-04-19
DE102017001716A1 (de) 2018-04-19
WO2018072867A8 (fr) 2018-07-05

Similar Documents

Publication Publication Date Title
WO2018072868A1 (fr) Cassette filtrante pour filtration d'huile de transmission
DE3017851C2 (de) Filteranordnung
DE102017124247B4 (de) Ölnebelabscheider
EP1870152B1 (fr) Filtre avec élément remplacable
DE1411060A1 (de) Fluessigkeitsfilter,insbesondere fuer Fluessigkeitsgetriebe
EP1163944B1 (fr) Filtre avec matériau filtrant de forme annulaire
DE102009025393A1 (de) 3-stufiger Kraftstofffilter
DE112018004374T5 (de) Integriertes modul mit filtern der stufe eins und stufe zwei kombiniert in einem gehäuse
EP3924084A1 (fr) Élément de séparation, dispositif de séparation, élément filtrant, boîtier de filtre, dispositif de filtrage et procédé pour la séparation de bulles de gaz d'un liquide
EP2714231B1 (fr) Filtre a huile d'une boite de vitesses pour vehicules automobiles
EP4098347B1 (fr) Dispositif filtre
DE102016008007B4 (de) Abscheideelement eines Flüssigkeitsabscheiders, Flüssigkeitsabscheider und Verfahren zur Herstellung eines Abscheideelements
DE102014209595A1 (de) Flüssigkeitsfilter
DE102019001309A1 (de) Filtervorrichtung
DE102014217733A1 (de) Schienenfahrzeug mit einer Entwässerungsvorrichtung aufweisenden Unterbodenplatte
DE102018131053B4 (de) Abscheidevorrichtung zum Abscheiden von Tröpfchen eines Fluids aus einem Gas
DE102017001139B3 (de) Filterkassette für Getriebeölfiltration
EP3311901B1 (fr) Élément filtrant avec un film magnétique permanent et cassette filtrante correspondante
DE102016012615A1 (de) Filterkassette für Getriebeölfiltration
WO2020109531A1 (fr) Filtre à liquide
DE102019132413B4 (de) Flüssigkeitsfilter zur Filterung von Getriebeöl und dessen Verwendung
WO2017084798A1 (fr) Élément filtre et système de filtration d'un fluide
DE102018132835A1 (de) In-Tank-Filter für einen Flüssigkeitstank und Flüssigkeitstank
WO2016058778A1 (fr) Élément filtrant, en particulier pour la filtration de gaz
DE102020114243A1 (de) Filtereinheit

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17791286

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17791286

Country of ref document: EP

Kind code of ref document: A1