WO2011070011A1 - Filtre à liquide - Google Patents

Filtre à liquide Download PDF

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Publication number
WO2011070011A1
WO2011070011A1 PCT/EP2010/069067 EP2010069067W WO2011070011A1 WO 2011070011 A1 WO2011070011 A1 WO 2011070011A1 EP 2010069067 W EP2010069067 W EP 2010069067W WO 2011070011 A1 WO2011070011 A1 WO 2011070011A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
liquid
filter housing
insert
housing
Prior art date
Application number
PCT/EP2010/069067
Other languages
German (de)
English (en)
Inventor
Wilhelm Ardes
Original Assignee
Hengst Gmbh & Co. Kg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43798277&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2011070011(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hengst Gmbh & Co. Kg filed Critical Hengst Gmbh & Co. Kg
Priority to PL10805700T priority Critical patent/PL2509697T3/pl
Priority to CN201080063552.7A priority patent/CN102781542B/zh
Priority to BR112012015872-4A priority patent/BR112012015872B1/pt
Priority to JP2012542514A priority patent/JP5967826B2/ja
Priority to US13/513,965 priority patent/US9023203B2/en
Priority to EP10805700.1A priority patent/EP2509697B1/fr
Publication of WO2011070011A1 publication Critical patent/WO2011070011A1/fr

Links

Classifications

    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/147—Bypass or safety valves
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/153—Anti-leakage or anti-return valves
    • 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
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • 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
    • B01D2201/0415—Details of supporting structures
    • 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
    • B01D2201/305—Snap, latch or clip connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/31—Other construction details
    • B01D2201/316—Standpipes
    • 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
    • B01D2201/4007—Use of cam or ramp systems

Definitions

  • the invention relates to a fluid filter, in particular oil filter of an internal combustion engine, with a filter housing, with a replaceable arranged therein annular filter insert and with a filter housing in operation, removable cover, wherein the filter housing at least one opening into a raw side of the filter housing inlet for filtering raw liquid and having an outgoing from a clean side of the filter housing return for filtered clean liquid, wherein in a bottom of the filter housing, an eccentric drain for emptying the filter housing upon removal of the ring filter insert is arranged, wherein the ring filter insert consists of a frontally surrounded by end plates hollow cylindrical filter material body and the raw side and the Pure side separated from each other, wherein an eccentric blocking element is arranged for the flow on the bottom facing end plate and wherein the ring filter insert and the filter rgephase cooperating positioning means are provided which guide the locking element into engagement with the drain when inserting the ring filter insert into the filter housing.
  • a first liquid filter of the type mentioned is known from DE 39 036 675 C2.
  • This document shows an oil filter with a filter housing and a replaceable arranged therein annular filter insert.
  • the ring filter insert has at its lower end disc an eccentric pin as a closure for an eccentrically provided in the bottom of the filter housing drain, which allows for a filter cartridge replacement emptying of the filter housing.
  • cooperating positioning means are provided which allow an axial insertion of the filter insert only in one of the pins on the opening of the drain aligning position.
  • the positioning means are axially intermeshing, matched groove and spring means, wherein the Fe- the radially inwardly projecting rib in the filter housing and the groove in the circumference of the lower end disk of the annular filter insert is provided.
  • a disadvantage of this known filter is that an operator when installing the ring filter insert into the filter housing must actively establish the correct rotational position between these two parts, which experience has shown that errors can easily occur.
  • FIG. 1 Another relevant liquid filter is known from EP 1 229 985 B1.
  • This font also shows a liquid filter with filter housing and ring filter insert.
  • the ring filter insert has at its lower end disc an eccentric pin for closing an eccentrically arranged in the bottom of the filter housing drain through which the filter housing is emptied when changing the filter cartridge.
  • At the bottom of the filter housing a circular extending upwardly facing, sloping towards the ramp ramp is formed, over which the pin slides by rotation of the ring filter insert to itself in the process.
  • the disadvantage here is that the bottom of the filter housing is occupied by the ramp and so makes the arrangement of other required for the function of the liquid filter elements, such as channels or valves, difficult or even impossible.
  • a third liquid filter of the aforementioned type is described in DE 103 53 424 A1. Also in this liquid filter has the associated ring filter insert at its lower end disc an eccentric pin as the first plug-in closure element for closing a drain as a second plug-in closure element. Further cooperating guide means for a closable alignment of the two plug-in closure elements are provided on the ring filter insert and the filter housing, wherein the guide means and the plug-in closure elements are designed to be separated from each other.
  • the one guide means is a circular guide track with a circumferential interruption in the form of an axial slot and the other guide means an insertable in the axial slot stop.
  • the guide track can be inclined, preferably with a pitch corresponding to the thread pitch of a screw cap of the filter housing.
  • the guideway is preferably provided on the underside of the lower end disc of the ring filter element.
  • This known filter insert is considerably extended by the guide means in size, which requires an enlarged filter housing when maintaining the filter surface or at a constant size of the filter housing leads to a reduction of the filter surface of the filter cartridge.
  • the object is to provide a liquid filter of the type mentioned above, which avoids the disadvantages set and in the case of a space-saving design reliable automatic engagement-correct positioning of locking element and sequence is ensured when installing the ring filter insert in the filter housing ,
  • the first positioning means is an inclined plane which
  • the second positioning means is a radially projecting nose, which is in opposition to the inclined plane
  • the bottom of the filter housing is completely kept free of the positioning.
  • a large constructive freedom is achieved in the arrangement of further elements of the liquid filter in the region of the bottom of the filter housing.
  • the positioning means are based on On the other hand, they are arranged opposite other inner and outer peripheries of the filter housing on the one hand and the ring filter insert, they can not lead to an increase in the height of the liquid filter.
  • the positioning can be performed with a very small in size in the radial direction, so that no increase in the diameter of the filter housing or a reduction in the diameter of the ring filter insert to accommodate the positioning is required.
  • the positioning means can be arranged on the respectively best suited inner and outer circumferences. Also with regard to the arrangement of the positioning means so there is advantageously a relatively large structural freedom.
  • the ring filter insert can be used in any desired rotational position relative to the filter housing in this. As soon as the positioning means come into contact with each other, they cause the locking element arranged thereon to engage in the event of rotation, if necessary, of the ring filter insert around itself. A special attention of the filter insert installing operator is not required here, making installation errors are virtually eliminated.
  • a preferred embodiment of the invention proposes that the inclined plane formed by two opposite directions to each other, each extending over half the inner or outer circumference of the ring filter insert or half the inner circumference of the filter housing or the half outer circumference of lying in the interior of the ring filter insert filter housing part extending part planes is.
  • the inclined plane succeeds the intervention matching merging of blocking element and drain with the minimum possible rotation of the ring filter insert, since this must perform a maximum of half a turn. This facilitates and accelerates the installation of the filter insert in the filter housing again.
  • the automatic intervention merge locking element and flow
  • the inclined plane has a self-locking exclusion slope.
  • the filter insert comes almost solely by gravity in its engagement-correct rotational position for the locking element relative to the drain.
  • drain and blocking element is a purely axial feeding of the blocking element on or in the process required.
  • the first correct rotational position of the filter insert is prepared, which is followed by an axial movement, which produces the engagement between locking element and sequence, without this engagement movement is still superimposed with a rotational movement.
  • the axially extending guide for the nose after the inclined plane first has a first guide portion having a width which is at least 50% larger than the width of the nose, and that the first guide portion in a subsequent second guide portion merges with a width corresponding to the width of the nose plus a sufficient for a jamming displacement of the nose in the second guide portion movement play.
  • the first, wider guide section provides here in cooperation with the nose first for a pre-positioning of the locking element relative to the sequence, after which then the second, narrower guide section makes the fine positioning of the locking element relative to the process.
  • the transition from the first guide section to the second guide section is preferably funnel-shaped in order to ensure favorable guiding of the nose
  • the inclined plane or its sub-levels are each formed by a radially projecting, above or below a slideway for the nose forming rib or step.
  • the inclined plane is made as a separate part and connected to the filter housing or with the ring filter insert.
  • This embodiment allows in particular an optional equipment of the filter housing or the ring filter insert with an inclined plane, which advantageously already existing, common filter housing and filter cartridges are still usable.
  • the nose as one of the positioning must have only a small size, the nose is expediently designed in one piece with the filter housing or with the ring filter insert. In addition to a cheap production, a low sensitivity of the nose is thus achieved against damage.
  • the blocking element can be designed differently in adaptation to it.
  • the blocking element can be a radially or axially sealing valve element arranged rigidly on the lower end disk or a radially sealing plug arranged rigidly on the lower end disk.
  • the blocking element is a resiliently arranged on the lower end plate axially sealing valve element.
  • the possibility of an automatic compensation of manufacturing tolerances and temperature-induced changes in length of the filter cartridge and the filter housing is created.
  • the arranged in the bottom of the filter housing drain can be designed differently.
  • the sequence is executed with a filter housing side incorporated or used as a separate part, matching the locking element seat.
  • a filter housing side incorporated seat usually a machining is required. If this is to be avoided, suitably a seat in the form of a separate part is used, this seat can be pressed or snapped or glued or screwed into the flow, for example.
  • a tolerance compensation by a the ring filter insert in the downward direction, that is to the bottom of the filter housing, or in the upward direction, that is to the cover, biasing force can be done.
  • the filter housing part located in the interior of the ring filter insert is a pipe stub containing the return, which is rigidly connected to the rest of the filter housing or in one piece or in the axial direction movable in the rest of the filter housing and pointing with a direction towards the lid Spring force is preloaded.
  • the filter element can be easily biased on its upper side downwards.
  • the assembly times are an important cost factor.
  • the pipe socket is connected to a suitable fitment for the blocking element or made in one piece, which is used axially parallel to the pipe socket in the process.
  • the pipe socket and the seat can be installed in a common assembly step in the filter housing.
  • the invention proposes a liquid filter, which is characterized in that the sequence seen in Abiaufraum three drain sections with each having a smaller diameter, wherein in the discharge section with the smallest diameter a discharge branch channel associated with the liquid filter, the same liquid leading component, that in the course of a piece of pipe disposed axially displaceable and biased with a spring pointing to the lid, wherein the piece of pipe at its upper end of a fitment to the locking element and at its lower end a first, upper radial seal carries, that the pipe piece has a downwardly extending from its lower end extension which carries at its lower end a second, lower radial seal, wherein the radial seals axially spaced apart with the drain portions with the two smaller diameters sealingly cooperate and wherein upon movement of the pipe section from a deepest basic position upward when removing the cover first, the lower radial seal from the drain section with the smallest fürm esser is transferred to the drain section with the mean diameter, while the upper radial seal remains
  • the ring filter insert can be inserted separately into the housing or removed from the filter housing.
  • the cover of the filter housing for transmitting axial forces, but rotatable, be connected, for example by means of a latching connection.
  • the filter cartridge can be released together with the lid from the filter housing and removed from the filter housing and vice versa also installed.
  • a plurality of fluid conduits or channels are arranged eccentrically in the bottom of the filter housing and that these fluid conduits or channels are closed by a plurality of correspondingly arranged, eccentric locking elements on the filter insert.
  • At least one of these fluid lines can also be designed as an inlet into the filter housing, in which case the blocking element can be embodied as a return check valve element, for example.
  • eccentric lines for energy transmission and / or signal transmission are arranged at the bottom of the filter housing and that they are brought into contact with correspondingly arranged, eccentric lines on the filter insert.
  • FIGS. 7 to 11 show a second exemplary embodiment of the liquid filter in various representations
  • FIGS. 12 to 16 show a third exemplary embodiment of the liquid filter in various representations
  • FIGS. 21 to 25 show a fifth exemplary embodiment of the liquid filter in various representations
  • FIGS. 26 to 28 show a sixth exemplary embodiment of the liquid filter in various representations
  • FIGS. 29 to 32 show a seventh exemplary embodiment of the liquid filter in various representations
  • Figures 33 to 36 an eighth embodiment of the liquid filter in various representations
  • Figure 37 shows a pipe socket with a slanted plane as an individual part of the filter housing, in view.
  • FIGs 1 to 6 show a first example of a liquid filter according to the invention.
  • the liquid filter is shown in two different states in longitudinal section.
  • the filter 1 comprises a filter housing 10, which is closed on the top side with a screw cap 16. Inside the filter housing 10, a ring filter insert 2 is arranged interchangeable.
  • the ring filter insert 2 consists of a filter material body 20 which is bordered at the top and bottom by a respective end plate 21, 22.
  • inlet flows to be filtered liquid, such as lubricating oil of an internal combustion engine, on the raw side 10.1 of the filter housing 10. While flowing through the filter material body 20, the liquid flows to the clean side 10.2 of the filter housing 10. By a return 12th the filtered liquid flows off. Dirt particles are retained in the filter cloth body 20.
  • filtered liquid such as lubricating oil of an internal combustion engine
  • the filter housing 10 has a drain 13, through which an emptying of the filter housing 10 takes place when the filter insert 2 is changed.
  • the screw cap 16 is tightly screwed to the filter housing 10.
  • a blocking element 24 is pressed sealingly against a seat 14 in the outlet 13.
  • the blocking element 24 is connected via spring arms 24 'with the lower end plate 22 of the filter element 2 or made in one piece. In the state shown in Figure 1 so the flow 13 is closed.
  • a grid-shaped supporting dome 23 is arranged in the interior of the filter insert 2.
  • a filter bypass valve 6 is arranged in the central upper part of the lid 16.
  • the second positioning means is a nose 4, which is integrally formed on a central, upstanding from a bottom 18 of the housing 10 and integral with this pipe socket 15 on the outer circumference, here in the form of an elongated vertical rib.
  • the inclined plane 3 and the nose 4 lead as positioning the ring filter insert 2 exactly in the correct position rotational position in which the locking element 24 into engagement with the seat 14th arrives.
  • FIG. 2 shows the liquid filter 1 from FIG. 1 with the lid 16 partially unscrewed.
  • the filter element 2 is locked at its upper end plate 21 via locking connection means in a known per se with the screw 16, so that the loosening of the lid 16 leads to a lifting of the filter element 2.
  • the locking element 24 is raised as part of the lower end plate 22 of the filter element 2 with and lifted from the seat 14 on the drain 13.
  • the drain 13 is opened and the liquid contained in the filter housing 10 can flow through the drain 13, in an oil filter, for example, in the oil sump of an associated internal combustion engine. Thereafter, a largely liquid-free filter element 2 can be removed from the housing 10.
  • FIG. 3 shows the filter insert 2 of the liquid filter 1 from FIGS. 1 and 2 in a longitudinal section through its lower part. Radially outside the filter cloth body 20 can be seen, which is closed at the bottom by the lower end plate 22. Inside the filter insert 2 of the support dome 23 is arranged, on which also the inclined plane 3, which cooperates with the nose 4 on the side of the pipe socket 15 according to Figure 1 and 2, is arranged.
  • the inclined plane 3 is designed with its lower-side sliding surface 30 in one piece with the support dome 23. At the end of the inclined plane 3, here on the upper right in FIG.
  • FIG. 4 shows the filter insert 2 from FIG. 3 in a partial longitudinal section rotated by 90 °.
  • the support dome 23 In the interior of the filter element 2 again lies the support dome 23 with the inclined plane 3 formed integrally therewith.
  • the inclined plane 3 consists of two parts planes 3.1 and 3.2 running towards each other. With the lower end plate 22, the spring arms 24 'are connected, which carry the non-visible in Figure 4, lying in front of the cutting plane locking element 24.
  • FIG. 5 shows the ring filter insert 1 according to FIGS. 3 and 4 in a perspective bottom view.
  • the filter material body 20 is partially visible, which is covered on the underside by the lower end plate 22.
  • the end plate 22 has an opening for placement on the pipe socket 15 according to Figure 1 and 2.
  • the two spring arms 24 With the end plate 22, the two spring arms 24 'integrally formed, which carry the locking element 24.
  • the locking element 24 is resilient in the axial direction, whereby length tolerances are compensated.
  • the locking element 24 is formed in two parts, wherein the two parts are locked together to ensure a balance of radial dimensional tolerances and angular errors when the locking element 24 is brought into engagement with the seat 14.
  • FIG. 6 shows a further partial longitudinal section through the filter insert 2, now with a sectional plane rotated by 180 ° with respect to FIG.
  • the inclined plane 3 In the center of the filter element 2 is again the inclined plane 3 with its two sub-levels 3.1 and 3.2 visible.
  • the sub-levels 3.1 and 3.2 merge into an axial guide 31.
  • Figures 7 to 1 1 show a second embodiment of the invention, for which it is characteristic that the inclined plane 3 is provided on a pipe socket 15 which is arranged axially displaceable centrally in the filter housing 10 of the liquid filter 1 and by means of a spring 15 'in the direction is preloaded at the top.
  • the pipe socket 15 can also be axially fixed in position connected to the rest of the filter housing.
  • Figure 7 initially shows only the pipe socket 15 and the lower end plate 22 of the filter element 2 as individual parts in order to illustrate their interaction.
  • the inclined plane 3 is also in the example of Figure 7 consists of two mutually running part levels 3.1 and 3.2, which merge at its lower end in an axial guide 31.
  • the top of the sub-levels 3.1 and 3.2 each forms a slide 30 for a nose 4, which is integrally formed on the inner circumference of the end plate 22. If, during installation of the filter insert 2, this has a twisting position which is not suitable for engagement of the blocking element 24 in the associated seat 14, the nose 4 initially strikes the inclined plane 3, here on one of its part planes 3.1 or 3.2. Upon further downward movement, the end plate 22 is forcibly brought into the correct rotational position by the nose 4 sliding on the inclined plane 3, in which it is shown in FIG.
  • the nose 4 in the adjoining the inclined plane 3 axial guide 31st
  • the nose 4 has seen in the circumferential direction of the end plate 22 has a width which corresponds to the width of the axial guide 31 plus one for a jamming displacement of the nose 4 in the guide 31 necessary movement play.
  • Figure 8 shows the end plate 22 of Figure 7 in a bottom view as a single part.
  • the opening on the inner circumference of the nose 4 is formed with two obliquely arranged sliding surfaces 40.
  • Figures 9 to 1 1 each show in the longitudinal section three different states of the liquid filter 1, which is equipped with a pipe socket 15 and a lower end plate 22 of its filter element 2 according to Figures 7 and 8.
  • the filter element 2 is in the filter housing 10 in its lowest position, which it occupies during normal operation of the liquid filter 1.
  • the blocking element 24 sits here in the drain 13 and closes it, as long as the liquid to be filtered is not under pressure.
  • FIG. 1 1 shows the state of the liquid filter 1 at the beginning of a removal of the filter insert 2, which is already moved by a certain way up here.
  • the blocking element 24 is moved out of the outlet 13, as a result of which liquid located in the filter housing 10 can flow out through the outlet 13. Since the liquid in the housing 10 is now not under pressure, the idle-lock valve 17 is now closed again. Not yet filtered liquid from the raw side 10.1 can not get into the return 12 for purified liquid so.
  • Figures 12 to 16 show an embodiment in which the inclined plane 3 is provided on the outer circumference of the filter cartridge 2 and wherein a cooperating with the inclined plane 3 nose 4 is disposed on the inner circumference of the filter housing 10.
  • Figure 12 shows a first look into the interior of the filter housing 10.
  • the return 12 is visible.
  • the drain 13 rests with the seat 14 for cooperation with a blocking element 24 on the associated ring filter insert 2.
  • the nose 4 can be seen on the inner circumference of the filter housing 10, which is integrally formed here.
  • Figures 13 and 14 show the associated ring filter insert 2 in two different perspective views. Above is in each case the upper end plate 21 and below each lower end plate 22 visible, which include the filter cloth body 20 between them.
  • the inclined plane 3 Around the outer periphery of the lower portion of the filter element 2 around the inclined plane 3 is arranged, which again consists of two sub-levels 3.1 and 3.2.
  • the bottom of the sub-levels 3.1 and 3.2 each forms a slide 30, which pass at the end of the inclined plane 3 in the vertical guide 31 of FIG 14.
  • the inclined plane 3 is here either integral with the lower end plate 22 or later connected as individual parts with the lower end plate 22.
  • the locking element 24 is not formed integrally with the lower end plate 22, but subsequently connected by means of a Anrastismes 25 with the end plate 22.
  • the interaction of slanted plane 3 and nose 4 ensures that when inserting the filter element 2 into the filter housing 10 of the filter element 2 automatically reaches its engaging position for the locking element 24 twisting relative to the seat 14 at the outlet 13.
  • the slope of the inclined plane 3 is expediently chosen so that no self-locking occurs during the movement and rotation of the filter cartridge 2 during its installation in the filter housing 10; the filter cartridge 10 thus falls practically by itself in its correct position.
  • FIGS. 15 and 16 show two different operating states of the liquid filter 1 with the filter housing 10 and the filter insert 2 according to FIGS. 12 to 14, each in partial longitudinal section.
  • the lid 16 is bolted to the filter housing 10 and the filter element 2 is in its lowest position in the filter housing 10. In this position, the locking element 24 abuts the seat 14 at the beginning of the process 13 and closes it.
  • the idle shut-off valve 17 also provided in the central pipe socket 15 remains closed as long as the liquid in the liquid filter 1 is not under pressure.
  • the liquid is supplied to the raw side 10.1 under pressure, it flows through the filter material body 20 to the clean side 10. 2 and opens the idle check valve 17, so that the filtered liquid can flow through the return line 12.
  • a spring 15 ' the axially movable central pipe socket 15 is acted upon by an upward force, there to press the upper, not visible here forehead disk against the lid 16 and seal there to separate the raw side 10.1 and clean side 10.2.
  • the filter cartridge 2 is lifted by a certain way upwards to replace it with a new filter cartridge 2.
  • the blocking element 24 is released from the seat 14 at the outlet 13 and the drain 13 is opened while the idling check valve 17 is closed.
  • all the liquid contained in the filter housing 10 can flow through the drain 13.
  • a small part of the inclined plane 3 is visible on the ring filter insert 2.
  • about the locking element 24 supporting spring arms 24 'dimensional tolerances are also compensated here.
  • FIGS. 17 to 20 show an example of the liquid filter 1 in which the inclined plane 3 on the inner circumference of the filter housing 10 is integrally formed with this is formed and cooperating with the inclined plane 3 nose 4 is disposed on the outer periphery of the lower end plate 22 of the ring filter insert 2.
  • Figure 17 shows as a single part the filter housing 10 in longitudinal section, wherein the inclined plane 3 is visible here as a step on the inner circumference of the filter housing 10.
  • the top of the inclined plane 3 here forms the slide 30 for the cooperating nose 4.
  • Bottom of Figure 17, the bottom 18 of the housing 10 is visible, in the center of the return 12 and eccentrically to the drain 13 with the seat
  • FIG. 18 shows the lower end disk 22 of the filter housing 10 according to FIG.
  • Figures 19 and 20 show a liquid filter 1 with a filter housing 10 and a lower end plate 23 of the filter element 2 according to Figures 17 and
  • FIGS. 21 to 25 show an embodiment of the filter in which the inclined plane 3 in the filter housing 10 is arranged as a separate part.
  • the inclined plane 3 for example, an injection molded plastic.
  • a corresponding Embodiment of the lower end plate 22 is shown in Figure 23 in view of its underside.
  • the locking element 24 is again supported by spring arms 24 'and connected by means of a Anrastismes 25 with the remaining end plate 22.
  • the nose 4 is formed with two obliquely extending sliding surfaces 40.
  • FIGS. 24 and 25 each show, in partial longitudinal section, a liquid filter 1 with a filter housing 10, a separate inclined plane 3 and a lower end plate 22 according to FIGS. 21 to 23.
  • Figures 26 to 28 show again an example of the filter in which the nose 4 is provided as a positioning means on the inner periphery of the lower end plate 22 of the spring insert 2 and the inclined plane 3 as a further positioning means on the outer circumference of the central pipe socket 15.
  • Figure 26 shows the lower end plate 22 of the filter element 2 in a perspective bottom view.
  • the nose 4 In the central opening of the end plate 22 is located on the inner circumference of the integrally formed nose 4 with its two sliding surfaces 40.
  • the nose 4 has a width BN, which corresponds to the width of the associated axial guide 31 plus a necessary movement play.
  • the blocking element 24 is held here again with spring arms 24 'and connected via a latching carrier 25 with the remaining end plate 22.
  • FIGS. 27 and 28 again show, in partial longitudinal section, two operating states of the liquid filter 1 with an end plate 22 according to FIG. 26.
  • Figures 29 to 32 show an example of the invention, in which the inclined plane at the central pipe socket 15 and the nose 4 are provided on the inner periphery of the lower end plate 22 of the ring filter insert 2. Furthermore, this example is characterized in that the central pipe socket 15 is made or connected in one piece with the seat 14 for the drain 13.
  • the inclined plane 3 is again formed by the two part levels 3.1 and 3.2, which merge at its end in the axial guide 31.
  • the top of the sub-levels 3.1 and 3.2 forms here a slide 30 for the nose 4.
  • the central pipe socket 15 and the seat 14 forming member are formed with parallel longitudinal axes, so that the unit of pipe socket 15 and seat 14 can be installed axially parallel in the filter housing 10 in a single assembly process.
  • a spring 15 'and 14' is another spring 15 'and 14' provided to compensate for length tolerances.
  • FIG. 30 shows a lower end disk 22 of the filter insert 2 for interacting with the pipe socket 15 according to FIG. 29.
  • the front disk 22 according to FIG. 30 has the radially inwardly projecting nose 4 as positioning means on the inner circumference of its central opening, with the inclined plane 3 on the pipe socket 15 cooperates according to FIG 29.
  • the inclined plane 3 and the nose 4 ensure that a ring filter insert 2 with the end plate 23 and the blocking element 24 provided thereon is automatically brought into a position suitable for engagement with the seat 14 during its installation.
  • Figures 31 and 32 show again the liquid filter 1 with the elements shown in Figures 29 and 30, respectively in partial longitudinal section.
  • the filter cartridge 2 is disposed in its lowest position in the filter housing 10. In this position, the blocking element 24 closes by its contact with the seat 14, the drain 13. In the central pipe socket 15, an idle check valve 17 is again provided which opens as soon as pressurized liquid is conveyed through the liquid filter 1.
  • the filter cartridge 2 is moved upwards within the filter housing 10 by a certain distance. As a result, the blocking element 24 comes free from the seat 14 and opens the outlet 13, while the return 12 is closed by the idle blocking valve 17 because of the pressureless state of the liquid in the housing 10.
  • the filter cartridge 2 is moved upwards within the filter housing 10 by a certain distance.
  • the blocking element 24 comes free from the seat 14 and opens the outlet 13, while the return 12 is closed by the idle blocking valve 17 because of the pressureless state of the liquid in the housing 10.
  • the central pipe socket 15 and the seat 14 are connected to form a structural unit and are embodied in one piece here. Since the return 12 and the drain 13 extend parallel to each other in the longitudinal direction of the housing 10, the assembly of pipe socket 15 and seat 14 can be installed in an assembly step in the housing 10.
  • Figures 33 to 36 show an embodiment of the invention, in which case the liquid filter 1 is assigned a further, not specifically shown component, for example, a heat exchanger to cool the liquid.
  • a heat exchanger to cool the liquid.
  • the fluid filter 1 here also has a filter housing 10 with an upper-side screw cap 16 and a ring filter insert 2 arranged in the interior of the filter housing 10.
  • the inlet 1 For the supply of liquid to be filtered, the inlet 1 1, which comes from the further component and which leads the liquid to be purified to the crude side 10.1.
  • the liquid flows through the filter material body 20 of the filter insert 2 and enters the clean region 10.2.
  • the idle check valve 17 opens and releases the return 12 free.
  • a seat 14 is arranged here, which cooperates with a blocking element 24, which is formed here in one piece with the lower end plate 22 of the filter element 2.
  • a blocking element 24 and seat 14 also serve here an inclined plane 3, which is formed on the outer circumference of a central pipe socket 15, and a cooperating nose 4, which is not visible in Figures 33 and 34 on the inner circumference of the ring filter insert 2.
  • the seat 14 is formed here at the upper end of a pipe section 5, which is guided displaceably in the axial direction in the drain 13.
  • the drain 13 here has three drain sections 13.1, 13.2 and 13.3, which have different, decreasing diameters.
  • Downwards the pipe section 5 is extended by an extension 50.
  • a first, upper radial seal 51 and at the lower end of the extension 50 a second, lower radial seal 52 is attached.
  • the pipe section 5 is biased with an upward force.
  • the lid 16 In the normal operating state of the filter 1 shown in FIG. 33, the lid 16 is tightly connected to the filter case 10, and the filter cartridge 2 assumes its lowest position in the filter case 10. In this position, the lid 16 presses on the filter element 2 and the blocking element 24, the pipe section 5 against the force of the spring 53 down. In this position of the pipe section 5, the upper radial seal 51 is sealingly in the discharge section 13.2 and the lower radial seal 52 sealing in the lowermost discharge section 13.3. Thus, the drain 13 is sealed.
  • liquid to be filtered is supplied under pressure through the inlet 1 1, the liquid flows through the filter material body 20 and opens the idle-lock valve 17 and flows through the return line 12 from. If no new liquid is supplied through the inlet 1 1, closes the idle check valve 17 and prevents emptying of the filter housing 10th
  • a discharge branch channel 13 ' is connected to the middle discharge section 13.2 pointing to the left, which is tightly sealed in the position of the pipe section 5 according to FIG. 33 both against the first discharge section 13.1 and against the third discharge section 13.3.
  • the branch branch channel 13 'liquid to be cooled in normal operation flows from below through the connection shown there to the further component, not shown here, such as heat exchangers, and after passing through the inlet 1 1 passes into the liquid filter 1.
  • FIG. 35 shows the lower end disk 22 of the filter insert 2 of the liquid filter 1 according to FIGS. 33 and 34 as an individual part in a perspective bottom view.
  • the radially inwardly projecting nose 4 which cooperates with the provided at the central pipe socket 15 on the outer circumference oblique plane 3 when installing the ring filter insert 2 in the filter housing 10.
  • the integrally formed blocking element 24 is visible on the underside of the end plate 23 facing the observer.
  • Figure 36 shows the pipe section 5 from the liquid filter 1 according to Figures 33 and 34 as a single part in a view.
  • the pipe section 5 of the seat 14 can be seen, which cooperates sealingly in the installed state of the ring filter insert 2 with the locking element 24.
  • the pipe section 5 continues in the extension 50.
  • the first, upper radial seal 51 is arranged.
  • the second, lower radial seal 52 is attached and around the extension 50 extends around the coil spring 53, the upper end of which is supported under the upper radial seal 51 on the pipe section 5.
  • Figure 37 finally shows only the pipe socket 15 as a single part in a modified version, in view of its lower part.
  • the inclined plane 3 is also in the example of Figure 37 from the two mutually running part levels 3.1 and 3.2, which merge at its lower end in an axial guide 31.
  • the top of the sub-levels 3.1 and 3.2 each forms a slide 30 for the nose 4, which is integrally formed on the inner circumference of the filter insert 2, not shown here. If, during installation of the filter element 2, this one is not suitable for engaging the blocking element 24 in the associated seat 14 twisting position points, meets the nose 4 first on the inclined plane 3, more precisely on one of its sub-levels 3.1 or 3.2.
  • Upon further downward movement of the filter cartridge 2 is forcibly brought into the correct rotational position by the on the inclined plane 3 or one of their slideways 30 sliding nip 4.
  • the adjoining the inclined plane 3 axial guide 31 here has a first, wider guide portion 31 .1, whose width Bi is at least 50% greater than the width of the associated nose 4. Further down, a second, narrower guide section 31 closes .2, whose width B2 corresponds to the width BN (compare FIG. 26) of the associated nose 4 plus a movement clearance necessary for a jamming-free displacement of the nose 4 in the guide section 31.2.
  • the axial guide 31 can widen slightly again in order to compensate for manufacturing tolerances and to permit circumferentially compulsory entry of the blocking element 24 into the associated seat 14.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne un filtre à liquide (1) comportant un boîtier (10) pourvu d'un insert de filtre annulaire (2) et d'un couvercle (16), une base (18) du boîtier (10) comprenant un écoulement excentrique (13) pour vider le boîtier (10) lors de l'extraction de l'insert de filtre (2). L'insert de filtre (2) est composé d'un corps en matériau filtrant (20) contenu par des disques frontaux (21, 22). Le disque frontal (22) orienté vers la base (18) comporte un élément de blocage (24) pour l'écoulement (13), et l'insert de filtre (2) et le boîtier (10) comportent des éléments de positionnement qui, lors de l'insertion de l'insert de filtre (2) dans le boîtier (10), guident l'élément de blocage (24) en prise avec l'écoulement (13). Le filtre selon l'invention (1) est caractérisé en ce que le premier élément de positionnement est un plan incliné (3) créé ou disposé a) sur la périphérie extérieure d'une partie de boîtier (15) située à l'intérieur de l'insert de filtre annulaire (2) ou b) sur la périphérie intérieure de l'insert de filtre annulaire (2) ou c) sur la périphérie extérieure de l'insert de filtre annulaire (2) ou d) sur la périphérie intérieure du boîtier de filtre (10); et en ce que le deuxième élément de positionnement est un tenon radialement saillant (4) créé ou disposé, de façon opposée au plan incliné (3), a) sur la périphérie intérieure de l'insert de filtre annulaire (2) ou b) sur la périphérie extérieure de la partie de boîtier (15) située à l'intérieur de l'insert de filtre annulaire (2) ou c) sur la périphérie intérieure du boîtier de filtre (10) ou d) sur la périphérie intérieure de l'insert de filtre annulaire (2). Par rotation de l'insert de filtre annulaire (2) par rapport au boîtier de filtre (10), le plan incliné (3) et le tenon peuvent être déplacés de façon à coulisser l'un le long de l'autre et à guider l'élément de blocage (24) en prise avec l'écoulement (13).
PCT/EP2010/069067 2009-12-10 2010-12-07 Filtre à liquide WO2011070011A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL10805700T PL2509697T3 (pl) 2009-12-10 2010-12-07 Filtr cieczy
CN201080063552.7A CN102781542B (zh) 2009-12-10 2010-12-07 液体过滤器
BR112012015872-4A BR112012015872B1 (pt) 2009-12-10 2010-12-07 Filtro para líquidos
JP2012542514A JP5967826B2 (ja) 2009-12-10 2010-12-07 液体フィルタ
US13/513,965 US9023203B2 (en) 2009-12-10 2010-12-07 Liquid filter
EP10805700.1A EP2509697B1 (fr) 2009-12-10 2010-12-07 Filtre à liquide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009054523A DE102009054523A1 (de) 2009-12-10 2009-12-10 Flüssigkeitsfilter
DE102009054523.9 2009-12-10

Publications (1)

Publication Number Publication Date
WO2011070011A1 true WO2011070011A1 (fr) 2011-06-16

Family

ID=43798277

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PCT/EP2010/069067 WO2011070011A1 (fr) 2009-12-10 2010-12-07 Filtre à liquide

Country Status (8)

Country Link
US (1) US9023203B2 (fr)
EP (1) EP2509697B1 (fr)
JP (1) JP5967826B2 (fr)
CN (1) CN102781542B (fr)
BR (1) BR112012015872B1 (fr)
DE (1) DE102009054523A1 (fr)
PL (1) PL2509697T3 (fr)
WO (1) WO2011070011A1 (fr)

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WO2019091979A1 (fr) * 2017-11-10 2019-05-16 Mann+Hummel Gmbh Élément filtrant muni d'un élément d'étanchéité monté rotatif pour l'ouverture d'évacuation d'un boîtier de filtre et système filtrant
WO2019106008A1 (fr) * 2017-11-30 2019-06-06 Mann+Hummel Gmbh Élément filtrant d'un filtre pour liquide, filtre et boîtier de filtre
DE102020121822A1 (de) 2020-08-20 2022-02-24 Mann+Hummel Gmbh Ablaufspange, sowie Filterelement und Filtrationsvorrichtung

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WO2019242866A1 (fr) * 2018-06-22 2019-12-26 Volvo Truck Corporation Élément filtrant, dispositif de filtrage de liquide comprenant un tel élément filtrant et véhicule comprenant un tel dispositif de filtrage de liquide
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CN103842048A (zh) * 2011-06-20 2014-06-04 汉格斯特欧洲两合公司 带有偏心的液体排出通道的液体过滤器
CN103842048B (zh) * 2011-06-20 2015-07-08 汉格斯特欧洲两合公司 带有偏心的液体排出通道的液体过滤器
EP2604321B1 (fr) 2011-12-15 2016-03-09 MAHLE International GmbH Dispositif de filtre
WO2019091979A1 (fr) * 2017-11-10 2019-05-16 Mann+Hummel Gmbh Élément filtrant muni d'un élément d'étanchéité monté rotatif pour l'ouverture d'évacuation d'un boîtier de filtre et système filtrant
WO2019106008A1 (fr) * 2017-11-30 2019-06-06 Mann+Hummel Gmbh Élément filtrant d'un filtre pour liquide, filtre et boîtier de filtre
CN111386145A (zh) * 2017-11-30 2020-07-07 曼·胡默尔有限公司 用于液体的过滤器的过滤元件、过滤器和过滤器壳体
DE102020121822A1 (de) 2020-08-20 2022-02-24 Mann+Hummel Gmbh Ablaufspange, sowie Filterelement und Filtrationsvorrichtung

Also Published As

Publication number Publication date
JP2013513750A (ja) 2013-04-22
BR112012015872B1 (pt) 2022-05-31
EP2509697A1 (fr) 2012-10-17
JP5967826B2 (ja) 2016-08-10
CN102781542B (zh) 2015-07-01
EP2509697B1 (fr) 2013-11-06
DE102009054523A1 (de) 2011-06-16
PL2509697T3 (pl) 2014-04-30
US9023203B2 (en) 2015-05-05
CN102781542A (zh) 2012-11-14
BR112012015872A2 (pt) 2021-10-05
US20120267293A1 (en) 2012-10-25

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