CN105268229B - Filter element with adapter tube and two body annular grooves - Google Patents

Filter element with adapter tube and two body annular grooves Download PDF

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Publication number
CN105268229B
CN105268229B CN201510417609.3A CN201510417609A CN105268229B CN 105268229 B CN105268229 B CN 105268229B CN 201510417609 A CN201510417609 A CN 201510417609A CN 105268229 B CN105268229 B CN 105268229B
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CN
China
Prior art keywords
filter element
filter
adapter tube
support body
constituted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510417609.3A
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Chinese (zh)
Other versions
CN105268229A (en
Inventor
I.拉兹加尼
G.约克沙斯
S.埃普利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
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Mann and Hummel 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 Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of CN105268229A publication Critical patent/CN105268229A/en
Application granted granted Critical
Publication of CN105268229B publication Critical patent/CN105268229B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters 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
    • B01D29/13Supported filter elements
    • B01D29/15Supported filter elements arranged for inward flow filtration
    • B01D29/21Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/04Supports for the filtering elements
    • B01D2201/0415Details of supporting structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/29Filter cartridge constructions
    • B01D2201/291End caps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/34Seals or gaskets for filtering elements
    • B01D2201/347Radial sealings

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

Abstract

The present invention relates to a kind of filter elements (20) with filter element adapter tube, it has the annular radial seal member (38) constituted preferably as O-ring.Radial seal component (38) setting is inside an annular groove (40).The annular groove side (42,46) of the annular groove (40) is made up of an end-cap adapter tube (36) and a support body adapter tube (26).End-cap, which takes over (36) and/or support body adapter tube (26), has a protrusion, for limiting annular groove (40).The slot bottom (44) of the annular groove (40) is made up of end-cap adapter tube (36) or support body adapter tube (26).The support body adapter tube (26) is preferably a part of filter element (20) central tube.

Description

Filter element with adapter tube and two body annular grooves
Technical field
The present invention relates to the filter elements that one is used for filter, particularly for fuel filter or oil strainer.This Invention further relates to filter, especially fuel or an oil strainer with this filter element.
Background technique
The filter element of filter, especially fuel or oil strainer usually connects with the filter housing pipeline section fluid of filter It connects.Inside the filter element adapter tube that this filter housing pipeline section is inserted into filter element.In order to realize the connection of Fluid Sealing, The radial seal component of annular is set between filter element adapter tube and filter housing pipeline section.The radial seal component is usually set It sets inside the annular groove of filter element adapter tube and is in the simplest case made of O-ring.
By 10 2,011 100 352 A1 of DE it is known that this annular groove is integrally formed with Shooting Technique approach.But thus Filter element adapter tube and relevant filter element can only be produced bothersomely.
10 2,009 015 094 B4 of DE discloses a filter element, and wherein filter element adapter tube has two bodies construction The annular groove for radial seal component.First slot side of annular groove is formed by the end-cap of known filter element.It is taking over The second slot side of the annular groove opposed with the first slot side is formed by additional component in axial direction, it passes through the end of filter element Disk positioning.By the frame mode of this two body although can easily process end-cap under the viewpoint of processing technology and add Component.But additional component as independent components causes additional processing cost and it also requires another installation step, i.e., Additional component is positioned on end-cap.
Because the filter element is typical products in mass production, it is significant for cost-effectively producing filter element.
Summary of the invention
Therefore it is an object of the present invention to provide one can especially economic processing filter element, have for radial close The above-mentioned annular groove of component is sealed, and providing one can the especially economic filter with this filter element processed.
The purpose filter element according to the invention for being related to filter element realizes that the purpose for being related to filter passes through according to this The filter of the filter element of invention is realized.The filter element, particularly for fuel filter or oil strainer, including mistake Filter medium, it is arranged between two end-caps of filter element, and including support body, it is in the side of filter element longitudinal axis It upwardly extends, wherein first end disk has the end-cap adapter tube of forming and the support body of support body and filter element adapter tube connects It connects, an adapter tube in two of them adapter tube is respectively received in inside another adapter tube, and wherein at least one adapter tube, which has, to be transverse to The protrusion that component longitudinal axis extends is filtered, it limits annular groove with another adapter tube together, and annular is wherein arranged inside annular groove Radial seal component, for keeping filter element close relative to the filter housing pipeline section for being inserted at least one adapter tube the inside Envelope.
Therefore the protrusion that first slot side of annular groove can be taken over by support body in filter element according to the invention It constitutes.Then the second slot side of annular groove passes through end-cap adapter tube, the raised structure taken over particularly by its end face or end-cap At.To this it can be selected that the first slot side by end-cap take over protrusion constitute, the second slot side by support body adapter tube, The especially protrusion of its end face or support body adapter tube is constituted.Simple mode work sheet can be passed through by the bi-body structure of annular groove A component part, they form annular groove.The annular groove is constituted between independent components support body and end-cap.Furthermore it crosses Filter component adapter tube is constituted to be taken over by least one end disk adapter tube and support body with accommodating the more bodies of filter housing pipeline section.
The support body adapter tube is preferably cither indirectly or directly connect with support body by an at least elastomeric element.In assembly This elastomeric element can compensate in filter element longitudinal axis or be parallel to filter element longitudinal axis support body with Error between the length of filter medium.
If the elastomeric element occurs in the form of flexible deformation galianconism, elastic portion is particularly simply constituted in structure Part.To this it can be selected that the elastomeric element is constituted in the form of elastically deformable film.
Multiple elastomeric elements can be equipped between support body and support body adapter tube according to the present invention.At particularly preferred Elastomeric element there are three being set in invention expansion structure, especially in the form of elastic galianconism.
If the protrusion is constituted on support body adapter tube, filter element can particularly simply be made.
The protrusion is constituted with filter element longitudinal axis in rotational symmetry in rotational symmetry, especially, it is possible thereby to realize diameter Particularly preferred cooperation to seal member.In other words, it is described protrusion in this case circlewise constitute and annulus meaning On project radially out end-cap adapter tube or support body adapter tube.Protrusion structure preferably inside the end portion of support body adapter tube At.
The filter medium is made of the booklet that star folds in a reliable fashion, thus provides big filter area, For filtering fuel or oil.
It can be a part of so-called standpipe according to support body of the present invention adapter tube.
First end disk, the second end disk, support body and/or support body adapter tube are preferably constituted in the form of being molded component. It is possible thereby to which abnormal cost is advantageous and filter element is made with high precision.
The support body can be constituted in the form of tube body, especially in the form of central tube.It completes in this case Installation step when filter element is extra, because support body adapter tube is integrally formed and processes with central tube.
In filter element operation in use, the radial seal component usually receives being guided by filter element and wanted The component part (hydrocarbon) of the fluid of filter, this causes the volume of radial seal component to increase (expansion).Therefore the ring The axial width of slot, the distance i.e. between two slot sides of annular groove are most fortunately on the direction of filter element longitudinal axis or flat Row is larger constituted in filter element longitudinal axis than (axial direction) diameter of radial seal component or O-ring.It is possible thereby to reliably It resists radial seal component and excessive expansion and thus resists filter element in operation radially and clamp and (cement) and filtering Inside the filter housing pipeline section of device.
If being equipped with an at least interval body between support body and first end disk, its limit bracket body is vertical in filter element Motility on axis direction and first end disk direction, can particularly accurately define annular groove in filter house according to the present invention Width in part longitudinal axis.It is possible thereby to by simple mode adjust annular groove minimum widith and thus adjustment desired by For radial seal component annular groove internal expansion axial gap.
The interval body can be constituted on first end disk.To this it can be selected that the interval body on support body or Person is constituted in the connection between support body and support body adapter tube in face of first end disk.
Multiple interval bodies are equipped with preferably between support body and the first end disk of filter element.Each interval body can herein Above, on end-cap or on first end disk adapter tube to be constituted on support body, in support body adapter tube.
Multiple interval bodies are equidistantly constituted each other in the particularly preferred expansion structure of filter element.
The support body can take over support body adapter tube, especially with support body and at least an interval body is integrally formed. The support body shown in particularly preferred expansion structure of the present invention, support body adapter tube and all interval bodies are integrally formed.Thus The filter element has particularly small number of single component, this is processing and is being advantageous under cost standpoint.
In filter element longitudinal axis or filter element longitudinal axis is parallel in order to compensate in support body and filter medium Error between different length on direction in joint technology, the filter medium second end opposed with first end disk The connecting portion of portion's disk cither indirectly or directly passes through at least another elastomeric element and connect with a part of support body.In this case The second end disk is connect in connecting portion with filter medium.This connecting portion is propped up by another elastomeric element and a part herein Frame body connection.
Another elastomeric element can be to be constituted in the form of the intercept of the second end disk and/or the elastically deformable of support body.
Furthermore another elastomeric element can be constituted in the form of the elastic membrane between connecting portion and support body.
It can be set or constitute a number of other elastomeric elements between connecting portion and support body.
The filter element axially and symmetrically is constituted with filter element longitudinal axis, it is possible thereby to realize the special of filter element The processing of cost advantages.
It is preferred that one is taken over and has the shaft shoulder, which forms the stopping in filter element longitudinal axis for another adapter tube Gear.
Finally, purpose according to the invention realizes have by a filter, especially fuel filter or oil strainer Above-mentioned filter element.
Detailed description of the invention
The present invention is provided using the detailed description of attached drawing and by claim by following multiple embodiments of the invention Other feature and advantage, attached drawing main details of the invention are shown.
The feature being shown in the accompanying drawings indicates in this way, allows to can be clearly seen feature according to the invention.Different Multiple arbitrary combinations can separately be realized or be realized in variation of the invention to feature.
Attached drawing is shown:
Fig. 1 has the sectional view of the first filter according to the invention of the first filter element according to the invention,
The sectional view of a part of the second filter of Fig. 2,
The sectional view of a part of Fig. 3 third filter,
The sectional view of a part of the 4th filter of Fig. 4.
Specific embodiment
First filter 10 is shown in FIG. 1.First filter 10 is constituted in the form of oil strainer.First filter 10 With filter housing 12.Filter housing 12 has entrance 14 and outlet 16.Fluid is existed by the flow of first filter 10 It is indicated in Fig. 1 by arrow 18.18 fluid of arrow is followed to enter 12 the inside of filter housing by entrance 14.Outside filter First filter element 20 is set inside shell 12.First filter element 20 has filter medium 22.Filter medium 22 is folded with star Booklet form constitute.Filter medium 22 be can choose in interior side bearing on the support body 24 of intermediate form of tubes.Support body 24 connect with support body adapter tube 26.Filter housing pipeline section 28 is inserted into 26 the inside of support body adapter tube.Filter housing pipeline section 28 With outlet 16, can be flowed out from first filter 10 by its fluid.
Filter medium 22 is surrounded by first end disk 30 and the second end disk 32.End-cap 30,32 and filter element are vertical Axis 34 is constituted in rotational symmetry.First end disk 30 has end-cap adapter tube 36.In end-cap adapter tube 36 and filter housing Radial seal component 38 is set between pipeline section 28, herein in the form of O-ring.Radial seal component 38 is for making the first filtering Component 20 is sealed relative to filter housing 12.
The motility that radial seal component 38 is parallel to filter element longitudinal axis 34 is limited by annular groove 40.Annular groove 40 is by One slot side 42, slot bottom 44 and the second slot side 46 composition.Slot bottom 44 is made up of the radially inner side face of end-cap adapter tube 36.The One slot side 42 is made up of the protrusion 48 of end-cap adapter tube 36.The end face structure that second slot side 46 passes through support body adapter tube 26 At.In other words, constitute to 40 liang of bodies of annular groove: slot side 42,46 is divided into two components, i.e. end-cap adapter tube 38 and support body connects Pipe 26.
First end disk 30 and support body adapter tube 26 are preferably made with Shooting Technique.Because of end-cap adapter tube 36 and support body Adapter tube 26 only has a slot side 42,46 respectively, and first end disk 30 and support body adapter tube 26 can be easily from its injection moldings The demoulding of mold (not shown).
Radial seal component 38 is arranged with axial gap in 40 the inside of annular groove.As a result, when radial seal component absorbs fluid And when expanding, radial seal component 38 can be parallel to the stretching, extension of filter element longitudinal axis 34.It is parallel to filter element longitudinal axis 34 Gap pass through slot side 42,46 limit.In other words, the gap of radial seal component 38 is parallel to filtering by support body adapter tube 26 The motility of component longitudinal axis 34 defines.The motility that support body adapter tube 26 is parallel to filter element longitudinal axis 34 passes through interval body 50,52 determine.Interval body 50,52 is formed separately on elastomeric element 54,56.Elastomeric element 54,56 is in the form of elastic galianconism It constitutes.Interval body 50,52, the first elastomeric element 54,56 and support body 24 are mutual integrally, i.e. one piece ground is constituted.
Interval body 50,52 preferably mutually between equidistantly constitute.It is then preferred that the mutual equidistantly structure of elastomeric element 54,56 At.In the particularly preferred expansion structure of the first filter element 20, support body adapter tube 26 passes through three elastomeric elements and bracket Body 24 connects.Interval body preferably is constituted on each elastomeric element herein.Elastomeric element 54,56 is parallel to filter for compensating Error in length of the component longitudinal axis 34 between support body 24 and filter medium 22.
First filter element 20 have multiple components 58,60,62,64,66,68,70, for compensating error connecting bracket Body 24 and the second end disk 32.Interconnecting piece of the component 58,60,62,64,66,68,70 in filter medium 22 and the second end disk 32 It is constituted between position and support body 24.It is welded in this filter medium 22 in connecting portion 60 and the second end disk 32.
Fig. 2 shows a part of the second filter 72 with the second filter element 74.Second filter 72 has filtering Device shell pipeline section 76, it is contained in 74 the inside of the second filter element.In order to make filter housing pipeline section 76 relative to the second filtering The sealing of component 74 is equipped with radial seal component 78.Radial seal component 78 is fixed on 80 the inside of annular groove.Annular groove 80 is by protrusion 82, branch The end face 84 of frame body adapter tube 86 and the radially inner side face composition of end-cap adapter tube 88.The structure on end-cap adapter tube 88 of protrusion 82 At.
Support body adapter tube 86 is connect with support body 90.Support body 90 is constituted in the form of central tube now.Support body 90 and branch Frame body adapter tube 86 is connected with each other by elastomeric element 92,94.86 one of elastomeric element 92,94 and support body 90 and support body adapter tube Ground is constituted.End-cap 86 and the end-cap 96 of the second filter element 74 are integrally formed.
The width of annular groove 80 is taken over upwardly through support body adapter tube 86 relative to end-cap in 98 side of filter element longitudinal axis 88 movement determines.It is realized and by elastomeric element 92,94 by support body adapter tube 86 in the movement of this support body adapter tube 86 The shaft shoulder limitation, end-cap adapter tube 88 when support body adapter tube 86 is in the maximum deflection on 96 direction of end-cap backstop in the shaft shoulder On.
Fig. 3 and 4 shows the part of the third and fourth filter, 102 class of chain-dotted line position with the second filter 72 of Fig. 2 Seemingly.
Fig. 3 shows the part of third filter 104.Filter housing pipeline section 106 passes through relative to third filter element 108 Radial seal component 110 seals.Radial seal component 110 is located between the first protrusion 112 and the second protrusion 114.First protrusion 112 are constituted on end-cap adapter tube 116.Second protrusion 114 is constituted on support body adapter tube 118.
Fig. 4 shows the part of the 4th filter 120.Filter housing pipeline section 122 passes through relative to the 4th filter element 124 Radial seal component 126 seals.Radial seal component 126 is located at the convex of the end face of end-cap adapter tube 128 and support body adapter tube 132 It rises between 130.
In short, it, which has, is preferably made of O-ring the present invention relates to a filter element with filter element adapter tube , annular radial seal member.The radial seal component is arranged inside annular groove.The slot side of this annular groove is connect by end-cap Pipe and support body are taken over to be formed.End-cap adapter tube and/or support body adapter tube have the protrusion for limiting annular groove.The slot of the annular groove Bottom is taken over by end-cap or support body is taken over and to be formed.Support body adapter tube is preferably a part of filter element central tube.

Claims (16)

1. a kind of filter element (20,72,108,124), including filter medium (22), it be arranged filter element (20,72, 108,124) between two end-caps, and including support body, it is upwardly extended in the side of filter element longitudinal axis, wherein the One end disk has the end-cap adapter tube of forming and support body and the support body of filter element (20,72,108,124) are taken over and connected It connects, an adapter tube in two of them adapter tube is respectively received in inside another adapter tube, and wherein at least one adapter tube, which has, to be transverse to The protrusion that component longitudinal axis extends is filtered, it limits annular groove (40,80) together with another adapter tube, and wherein in annular groove (40,80) The inside setting annular radial seal component (38,78,110,126), for make filter element (20,72,108,124) relative to It is inserted into filter housing pipeline section (28,76,106,122) sealing of at least one adapter tube the inside.
2. filter element as described in claim 1, wherein the filter element (20,72,108,124) is used for fuel filter.
3. filter element as described in claim 1, wherein the filter element (20,72,108,124) is used for oil strainer.
4. filter element as claimed in claim 1 or 2, wherein support body adapter tube by an at least elastomeric element (54, 56,92,94) it is cither indirectly or directly connect with support body.
5. filter element as claimed in claim 4, wherein the elastomeric element (54,56,92,94) is with the shape of elastic galianconism Formula is constituted.
6. filter element as claimed in claim 1 or 2, wherein the protrusion is constituted on support body adapter tube.
7. the filter element as described in claim 1 or 2, wherein the protrusion is constituted in rotational symmetry.
8. such as above-mentioned filter element as claimed in claim 7, wherein the protrusion about filter element longitudinal axis in rotational symmetry It constitutes.
9. filter element as claimed in claim 1 or 2, wherein the support body in the form of central tube to be constituted.
10. filter element as claimed in claim 1 or 2, wherein be equipped between at least one between support body and first end disk Spacer (50,52), it is limited in support body on first end disk in the motility on filter element longitudinal axis.
11. filter element as claimed in claim 1 or 2, wherein the support body is integrally formed with support body adapter tube.
12. the filter element as described in the claims 11, wherein the support body and support body adapter tube at least one between Spacer (50,52) is integrally formed.
13. filter element as claimed in claim 1 or 2, wherein an adapter tube has the shaft shoulder (100), and shaft shoulder formation is used for Backstop of another adapter tube in filter element longitudinal axis.
14. a kind of filter (10,72,104,120) has filter housing (12), which has outside filter Package section (28,76,106,112), the filter housing pipeline section are inserted into such as filtering of any of claims 1-13 Inside component (20,74,108,124).
15. filter as claimed in claim 14, wherein the filter (10,72,104,120) is fuel filter.
16. filter as claimed in claim 14, wherein the filter (10,72,104,120) is oil strainer.
CN201510417609.3A 2014-07-16 2015-07-16 Filter element with adapter tube and two body annular grooves Expired - Fee Related CN105268229B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014010434.6A DE102014010434B4 (en) 2014-07-16 2014-07-16 Filter element with connection piece and second annular groove and filter with such a filter element
DE102014010434.6 2014-07-16

Publications (2)

Publication Number Publication Date
CN105268229A CN105268229A (en) 2016-01-27
CN105268229B true CN105268229B (en) 2019-11-05

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Application Number Title Priority Date Filing Date
CN201510417609.3A Expired - Fee Related CN105268229B (en) 2014-07-16 2015-07-16 Filter element with adapter tube and two body annular grooves

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CN (1) CN105268229B (en)
DE (1) DE102014010434B4 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440721A1 (en) * 2003-01-24 2004-07-28 Mann+Hummel Gmbh Self-venting filter element for a fuel filter assembly
CN201253508Y (en) * 2008-08-12 2009-06-10 蚌埠市昊业滤清器有限公司 Rotary mounting filter spanner
CN102475993A (en) * 2010-11-29 2012-05-30 董芬芳 High-precision magnetic cleaner
CN202401031U (en) * 2012-01-10 2012-08-29 温州新星滤清器有限公司 Rotary assembly type diesel precipitator
CN202605838U (en) * 2012-06-07 2012-12-19 浙江三花制冷集团有限公司 Oil filter and air compressor

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Publication number Priority date Publication date Assignee Title
DE19548864A1 (en) * 1995-12-27 1997-07-03 Knecht Filterwerke Gmbh Ring filter insert
US6085915A (en) * 1996-11-22 2000-07-11 Nelson Industries, Inc. Back-washable spin-on oil filter
US6217755B1 (en) * 1998-01-22 2001-04-17 Donaldson Company, Inc. In-tank fluid filter with valve assembly
DE102006038100A1 (en) * 2006-08-14 2008-02-21 Mann + Hummel Gmbh Filter element, in particular for filtering liquids or gases
DE102009015094B4 (en) 2009-03-31 2012-01-26 Mann + Hummel Gmbh Filter element and fluid filter module
DE102011100352A1 (en) 2011-05-03 2012-11-08 Mann + Hummel Gmbh End disk for a filter element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440721A1 (en) * 2003-01-24 2004-07-28 Mann+Hummel Gmbh Self-venting filter element for a fuel filter assembly
CN201253508Y (en) * 2008-08-12 2009-06-10 蚌埠市昊业滤清器有限公司 Rotary mounting filter spanner
CN102475993A (en) * 2010-11-29 2012-05-30 董芬芳 High-precision magnetic cleaner
CN202401031U (en) * 2012-01-10 2012-08-29 温州新星滤清器有限公司 Rotary assembly type diesel precipitator
CN202605838U (en) * 2012-06-07 2012-12-19 浙江三花制冷集团有限公司 Oil filter and air compressor

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Publication number Publication date
DE102014010434B4 (en) 2017-10-12
DE102014010434A1 (en) 2016-01-21
CN105268229A (en) 2016-01-27

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