WO2011012695A1 - Filter - Google Patents
Filter Download PDFInfo
- Publication number
- WO2011012695A1 WO2011012695A1 PCT/EP2010/061101 EP2010061101W WO2011012695A1 WO 2011012695 A1 WO2011012695 A1 WO 2011012695A1 EP 2010061101 W EP2010061101 W EP 2010061101W WO 2011012695 A1 WO2011012695 A1 WO 2011012695A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- connection
- sealing
- filter housing
- cover
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000002826 coolant Substances 0.000 claims abstract description 3
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
- B01D35/306—Filter mounting adapter
-
- 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
- B01D2201/34—Seals or gaskets for filtering elements
Definitions
- the invention relates to a filter, in particular replaceable filter, especially for motor vehicles, industrial engines, in particular oil filter, fuel filter or coolant filter, with a filter housing, in which a filter element is housed and having a front-end terminal end with a lid, with a with the Connecting end corresponding connector body is tightly connected by a plug and / or rotary movement, wherein the lid has an opening for fluid connections between the connector body and the filter housing.
- the invention relates to an internal combustion engine with a connection head for a filter.
- the invention has for its object to design a simple and reliable filter and an internal combustion engine of the type mentioned, in which / improves the filtration and the tightness of the connection of the filter housing is optimized with the connector body.
- a sealing region and a holding region are arranged concentrically substantially axially to the plug or rotational direction and are turned radially inward, and facing with a respective radially outward can interact substantially axially extending sealing area and a holding portion of the connection body.
- the holding function is separate from the sealing function.
- the holding portion may be radially inward at the connection end and connecting elements of a detachable quick connection, in particular a plug-in rotary connection, preferably a screw or a bayonet connection or a latching connection, having with corresponding connecting elements of the radially inner holding portion of Connection body can cooperate and the radially outer sealing region at the connection end can form sealing elements, in particular with a sealing surface, which can cooperate sealingly with corresponding sealing elements, in particular with a sealing surface or a radial seal, the radially outer sealing portion of the connecting body in the radial direction.
- a detachable quick connection is that the filter housing and the connection body can be easily separated, especially during maintenance or repair work.
- Plug-and-turn connections in particular bayonet connections, moreover have the advantage that they have a large carrying and holding force, which is achieved even with low assembly forces, and enable rapid assembly and disassembly. Plug and turn connections can also be used to implement the filter closure system in the tightest of spaces.
- the lid may have an S-shaped profile, wherein the legs of the profile forming the sealing area and holding portion at the connection end of the filter housing at least. This improves the hold of the connection counterpart in the receiving space and acts deformations in the area of the filter closure. System due to temperature and / or pressure changes contrary. The contact surface further improves the leadership for the connection counterpart when plugging.
- the lid may have a U-shaped profile, wherein the legs of the profile form the sealing area and the holding area at the connection end of the filter housing at least.
- a U-shaped profile can be easily realized.
- the outer leg of the S- or U-shaped profiled lid axially away from the filter housing and is connected to the filter housing in particular by means of a flare connection and / or another joining technique such as an adhesive connection.
- the radially inner leg of the S-shaped profiled lid axially in the direction of the Filtergepatuseinneren.
- the inner leg has it U-shaped profiled lid axially away from the filter housing interior.
- the holding portion of the lid is radially inwardly on the inner leg of the S- or U-shaped profiled lid, in particular in the form of an internal thread, arranged.
- a radial sealing surface in particular for engaging a socket-side radial seal, in particular for sealing against the environment.
- the lid between the inner and the outer leg forms a closed circular ring which has no further openings in addition to the central, formed by the holding portion opening.
- the inflow opening of the filter is preferably formed by the central opening or the holding area.
- the clean-side outlet is formed by a through the central opening of the lid cross, in particular socket-side connecting piece.
- the connection piece engages in an outlet opening of the element cover (also called end plate) of the filter insert, wherein the seal between raw and clean side te by a mounted on the end plate of the filter insert radial seal, which is in engagement with the connecting piece.
- the inner diameter of the inner leg is at least twice as large as the inner diameter of the outlet opening of the element cover or the inner diameter of the radial seal. This has the advantage that a sufficiently large, annular inlet cross-section is formed for the lowest possible pressure loss.
- the inner diameter of the inner leg is at least half as large as the outer diameter of the outer leg, preferably greater than 60% of the outer diameter. As a result, the deformation under pressure load can be reduced.
- the filter on the cover side has a connection end for connection to a connection flange.
- the connecting flange has a plurality of, in particular circular, inlet openings for the inlet of liquid to be filtered into the filter.
- an outlet in particular in the form of a protruding connecting piece, is preferably arranged centrally and concentrically on the connecting flange.
- the connecting flange has on its side facing the filter housing a radially inner holding cylinder and a radially outer sealing cylinder, which extend axially to a direction of insertion of the filter housing.
- the holding cylinder and the sealing cylinder surround the inlet openings.
- the holding cylinder preferably has on its radially outer peripheral side an external thread for connection to a filter-side internal thread, in particular on the cover.
- a sealing groove is arranged with a radially acting annular seal.
- the filter in the filter housing comprises a filter insert or a filter element.
- the filter insert comprises an element cover facing the connection flange, a bottom of the element facing the bottom of the filter housing and a skeletal center tube which is located between the element cover and the element bottom. stretches.
- the center tube is surrounded by a filter medium in the form of a filter bellows made of zigzag folded filter medium.
- the central tube defines an interior of the filter medium.
- the element lid has an outlet opening concentric with the central tube.
- the outlet opening is surrounded on the side facing the connection end with a hollow cylindrical connecting piece.
- the connecting piece is a connection piece of the connecting flange, which forms the outlet with.
- the connection piece has a radial seal for sealing against the connection piece.
- the element cover of the filter insert and thus also the filter insert is fixed on the side of the connection end with an annular space cover in the filter housing, wherein the annular space lid preferably forms the housing cover at the same time.
- the element lid preferably has axially extending supports, between which connection channels between the connection ring space, which is formed on the tube side between the element lid and housing cover, and the inlet ring space, which surrounds the filter element on the outside and radially outside realized.
- the connecting piece of the element cover and the element lid limit the connection annulus.
- the annular space cover has a concentric to the outlet opening of the element cover through opening for the holding cylinder of the connection flange.
- the diameter of the passage opening is significantly larger than the diameter of the outlet opening, so that the material required for the annular space cover is relatively low.
- the connection body may be a connection head or a connection flange, in particular of an internal combustion engine.
- the object is further achieved with an internal combustion engine in that it has a connection head with a sealing area and a Has te Scheme for the sealing area and the holding area of a filter according to the invention.
- FIG. 1 shows schematically an isometric longitudinal section illustration of a
- FIG. 2 schematically shows a detail of the filter housing from FIG. 1 without a connection flange
- FIG. 3 schematically shows the connection flange from FIG. 1 in longitudinal section
- Figure 4 shows schematically an isometric half-section view of a second embodiment of a filter housing of a replaceable filter, which is similar to the filter housing of Figures 1 and 2;
- FIG. 5 schematically shows an isometric half-section illustration of a third exemplary embodiment of a filter housing of an exchangeable filter, which is similar to the filter housings of FIGS. 1, 2 and 4.
- FIG. 1 shows a liquid filter system 10 with an exchangeable filter 12 and a connection flange 14.
- a front-side circular cylindrical connection end 16 of a pot-shaped or cup-shaped filter housing 18 of the replaceable filter 12 is tightly connected to the connection flange 14.
- the connection end 16 surrounds the connection flange 14
- Connecting flange 14 may in this case be a separate connection flange 14 or else be formed as a connection head directly from a component of an internal combustion engine.
- the fluid filtration system 10 may be used for any type of engine fluids, such as oil, fuels, hydraulic fluids, or even refrigerants.
- connection flange 14 a plurality of inlet openings 26 are arranged for liquid to be filtered and a outlet 28 for filtered liquid.
- the outlet 28 is arranged concentrically in the center of the connection flange 14.
- the inlet openings 26 are distributed along the outlet 28 along a concentric circle.
- connection flange 14 on its side facing the filter housing 18 a radially inner holding cylinder 110 and a radially outer sealing cylinder 112, which extend axially to a plug-in direction S of the filter housing 18.
- the holding cylinder 110 and the sealing cylinder 112 surround the inlet openings 26.
- the holding cylinder 110 has an external thread 114 on its radially outer peripheral side.
- a sealing groove 116 is arranged with a radially acting annular seal 118.
- a filter cartridge 30 is housed in the filter housing 18.
- the filter insert 30 comprises an element cover 32 facing the connection flange 14, an element base 36 facing a bottom 34 of the filter housing 18 and a skeletal middle tube 38 which extends between the element cover 32 and the element bottom 36.
- the central tube 38 is surrounded by a filter medium 40 in the form of a filter bellows made of zigzag folded fleece.
- the central tube 38 defines an interior 42 of the filter medium 40.
- the element lid 32 has an outlet opening 44 concentric with the central tube 38.
- the outlet opening 44 is surrounded on the connection end 16 side facing a hollow cylindrical connecting piece 46.
- a connection piece 48 of the connecting flange 14 which forms the outlet 28 with.
- the connecting piece 46 On its radially inner peripheral side, the connecting piece 46 has a radially inwardly extending sealing ring 50 on.
- an O-ring seal 52 At the sealing ring stage 50 is an O-ring seal 52, which is located between the inner shell of the connecting piece 46 and the outer jacket of the connecting piece 48.
- the filter medium 40 is surrounded by an inlet annular space 54 which communicates with the inlet openings 26 of the connection flange 14 via a connecting ring space 56 explained in greater detail below.
- the filter medium 40 can be traversed by the liquid to be filtered radially from outside to inside from the inlet annulus 54 to the interior 42.
- the element cover 32 of the filter element 30 and thus also the filter element 30 are fixed on the side of the connection end 16 with an annular space cover 72 in the filter housing 18.
- the element cover 32 has axially extending supports 120 between which connection channels between the connection ring space 56 and the inlet ring space 54 are realized.
- the annulus lid 72 is disposed within the terminal end 16 coaxially therewith.
- the annular space cover 72 has a discharge opening 44 of the element cover 32 concentric passage opening 82 for the holding cylinder 110 of the connection flange 14.
- the diameter of the passage opening 82 is significantly larger than the diameter of the outlet opening 44, so that the material required for the annular space cover 72 is relatively small. In this way, the attack surface at pressure increase in the interior of the filter housing 18 is correspondingly low and a possible bending of the annular space cover 72 almost impossible.
- the annular space cover 72 has an S-shaped profile.
- the free end of the radially inner leg 72a faces the interior of the filter housing 18.
- the free end of the radially outer leg 72b points away from the interior of the filter housing 18.
- the radially inner leg 72a of the profile forms a holding portion at the connection end 16 of the filter housing 18. It has on its radially inner surface an internal thread 122, which to the external thread 114 of the holding cylinder 110 of the connection flange fits.
- the radially outer leg 72b is connected via a flared connection with the edge of the filter housing 18 and forms with the flanged edge of the filter housing 18 a sealing portion, wherein the radially inner surface of the beaded edge of the filter housing 18 forms a sealing surface 73, at which the annular seal 118 radially supported on the sealing cylinder 112 of the connecting flange 14.
- the holding portion and the sealing portion are formed or formed by the legs 72a and 72b and thus extend concentrically substantially axially to the connecting direction S.
- connection end 16 of the filter housing 18 can be placed in the axial direction of insertion S on the connection counterpart 20 of the connection flange 14 and can be screwed by a plug-and-turn movement with the connection counterpart 20.
- annular space cover 72 has an easy to produce U-shaped profile instead of an S-shaped profile.
- FIG. 5 In a third embodiment, shown in Figure 5, those elements which are similar to those of the second embodiment described in Figure 4, the same reference numerals, so that with respect to their description to the comments on the second or to first embodiment, reference is made.
- This exemplary embodiment differs from the second and the first in that an annular seal 318 is arranged between the radially outer limb 72b and the radially inner limb 72a of the annular space cover 72 and with its radially outer side on the sealing surface 73 of the flanged edge of the filter housing 18. lies.
- the ring seal 318 replaces the ring seal 118 in the seal groove 116 of the flange 14 of Figure 3.
- the radially inner side of the ring seal 318 is located on the corresponding continuous Flange sealing surface 113 on.
- the ring seal 318 thus acts in the radial direction.
- the annular seal 318 is supported with an end face on the radially extending bottom of the annular space cover 72 and projects beyond the edge of the filter housing 18 in the axial direction.
- the front side of the annular seal 318 projecting beyond the edge of the filter housing 18 can thus additionally be displaced in the axial direction against a radial one Seal the sealing surface of an optional sealing step of the connecting flange.
- the invention is not limited to liquid filter systems 10 for internal combustion engines. It can also be used in other types of filter systems, for example, for gaseous fluids, in particular compressed air. Such filter systems are generally used in automotive technology or in industrial engines use.
- the screw can also be a different type releasable quick connection, in particular plug-in rotary connection or a bayonet connection or a locking connection or a different type of plug and / or rotary connection, may be provided.
- plug-in rotary connection or a bayonet connection or a locking connection or a different type of plug and / or rotary connection may be provided.
- the connection end, the connection counterpart, the connecting piece and connecting piece can also be oval or angular, for example.
- connection flange 14 instead of the connection flange 14, a different type of connection and / or closure part, for example, a connection head of a motor vehicle, in particular an internal combustion engine, or an industrial engine or even a simple closure lid can be used.
- a connection head of a motor vehicle in particular an internal combustion engine, or an industrial engine or even a simple closure lid can be used.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10740597.9A EP2459295B1 (de) | 2009-07-30 | 2010-07-30 | Filter |
CN201080033797.5A CN102470292B (zh) | 2009-07-30 | 2010-07-30 | 过滤器 |
US13/387,651 US9205354B2 (en) | 2009-07-30 | 2010-07-30 | Filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035683A DE102009035683A1 (de) | 2009-07-30 | 2009-07-30 | Filter |
DE102009035683.5 | 2009-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011012695A1 true WO2011012695A1 (de) | 2011-02-03 |
Family
ID=43037748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/061101 WO2011012695A1 (de) | 2009-07-30 | 2010-07-30 | Filter |
Country Status (5)
Country | Link |
---|---|
US (1) | US9205354B2 (de) |
EP (1) | EP2459295B1 (de) |
CN (1) | CN102470292B (de) |
DE (1) | DE102009035683A1 (de) |
WO (1) | WO2011012695A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008046499A1 (de) * | 2008-09-09 | 2010-03-18 | Mann + Hummel Gmbh | Filter mit Drainageanschluss |
US9587532B1 (en) * | 2012-03-22 | 2017-03-07 | Vinh Au | Oil, coolant, and exahust gas circulation system, elements and kits |
DE102013011619A1 (de) | 2013-07-12 | 2015-01-15 | Mann + Hummel Gmbh | Spin-On Filter für eine Filtervorrichtung für Fluid, Filtervorrichtung und Filterkopf einer Filtervorrichtung |
DE102013011615A1 (de) | 2013-07-12 | 2015-01-29 | Mann + Hummel Gmbh | Spin-On Filter für eine Filtervorrichtung für Fluid, Filtervorrichtung und Filterkopf einer Filtervorrichtung |
DE102013011622A1 (de) | 2013-07-12 | 2015-01-15 | Mann + Hummel Gmbh | Spin-On Filter für eine Filtervorrichtung für Fluid, Filtervorrichtung und Filterkopf einer Filtervorrichtung |
DE102013011616B4 (de) * | 2013-07-12 | 2016-12-15 | Mann + Hummel Gmbh | Filtervorrichtung für Fluid und Wechselfilter |
DE102014016561A1 (de) * | 2014-11-11 | 2016-05-12 | Mann + Hummel Gmbh | Flüssigkeitsfilter, Funktionsmodul, Anschlussteil, Filterelement und Filtermodul eines Flüssigkeitsfilters |
DE102016002247A1 (de) * | 2016-02-26 | 2017-08-31 | Mann + Hummel Gmbh | Filterelement, insbesondere zur Gasfiltration |
CN106401730A (zh) * | 2016-11-08 | 2017-02-15 | 上海弗列加滤清器有限公司 | 一种模块化冷却液滤清器结构 |
DE102017011437A1 (de) * | 2017-02-14 | 2018-08-16 | Mann+Hummel Gmbh | Filter einer Filtervorrichtung zur Filtrierung von Fluid und Filterkopf einer Filtervorrichtung |
BR112020011190A2 (pt) * | 2017-12-04 | 2020-11-17 | Parker-Hannifin Corporation | filtro com botão de pressão que é livre para girar |
CN114173901B (zh) * | 2019-07-16 | 2023-12-08 | 康明斯滤清系统知识产权公司 | 具有阀启动特征的滤筒 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180490A (en) * | 1992-01-31 | 1993-01-19 | Baldwin Filters, Inc. | Lubricant filter assembly with internal bypass lock-out |
WO1999004879A1 (en) * | 1997-07-24 | 1999-02-04 | Fleetguard, Inc. | Spin-on fluid filter assembly |
EP1216738A1 (de) * | 2000-12-19 | 2002-06-26 | Fleetguard, Inc. | Fluidfilter und ein Fluidfilter-Filterkopf-Gerät |
US20070261377A1 (en) * | 2006-05-10 | 2007-11-15 | Klug Jerry J | Spin-on filter arrangement and methods |
US20090145826A1 (en) * | 2007-12-05 | 2009-06-11 | Baldwin Filters, Inc. | Filter Having Baseplate With Internal Gasket Location |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859216A (en) * | 1973-12-03 | 1975-01-07 | Clark Equipment Co | Filter assembly |
US6571961B2 (en) | 2001-05-03 | 2003-06-03 | Fleetguard, Inc. | Sliding action seam seal and retainer assembly for a fluid filter |
ES2273051T3 (es) * | 2002-10-08 | 2007-05-01 | Donaldson Company, Inc. | Filtro de fluido y procedimiento de ensamblaje de dicho filtro. |
-
2009
- 2009-07-30 DE DE102009035683A patent/DE102009035683A1/de not_active Withdrawn
-
2010
- 2010-07-30 EP EP10740597.9A patent/EP2459295B1/de not_active Not-in-force
- 2010-07-30 WO PCT/EP2010/061101 patent/WO2011012695A1/de active Application Filing
- 2010-07-30 US US13/387,651 patent/US9205354B2/en not_active Expired - Fee Related
- 2010-07-30 CN CN201080033797.5A patent/CN102470292B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180490A (en) * | 1992-01-31 | 1993-01-19 | Baldwin Filters, Inc. | Lubricant filter assembly with internal bypass lock-out |
WO1999004879A1 (en) * | 1997-07-24 | 1999-02-04 | Fleetguard, Inc. | Spin-on fluid filter assembly |
EP1216738A1 (de) * | 2000-12-19 | 2002-06-26 | Fleetguard, Inc. | Fluidfilter und ein Fluidfilter-Filterkopf-Gerät |
US20070261377A1 (en) * | 2006-05-10 | 2007-11-15 | Klug Jerry J | Spin-on filter arrangement and methods |
US20090145826A1 (en) * | 2007-12-05 | 2009-06-11 | Baldwin Filters, Inc. | Filter Having Baseplate With Internal Gasket Location |
Also Published As
Publication number | Publication date |
---|---|
EP2459295B1 (de) | 2018-11-28 |
CN102470292B (zh) | 2015-01-28 |
US9205354B2 (en) | 2015-12-08 |
EP2459295A1 (de) | 2012-06-06 |
DE102009035683A1 (de) | 2011-02-03 |
CN102470292A (zh) | 2012-05-23 |
US20120180750A1 (en) | 2012-07-19 |
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