WO2013129999A1 - Filter housing and filter unit - Google Patents
Filter housing and filter unit Download PDFInfo
- Publication number
- WO2013129999A1 WO2013129999A1 PCT/SE2013/050163 SE2013050163W WO2013129999A1 WO 2013129999 A1 WO2013129999 A1 WO 2013129999A1 SE 2013050163 W SE2013050163 W SE 2013050163W WO 2013129999 A1 WO2013129999 A1 WO 2013129999A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- air
- air outlet
- cover
- filter housing
- Prior art date
Links
- 238000012546 transfer Methods 0.000 claims description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/103—Curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0204—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof for connecting or joining to other devices, e.g. pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/042—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices combined with other devices, e.g. heaters ; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
- B01D2271/022—Axial sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
Definitions
- the invention relates to a filter housing for accommodating a filter unit, comprising an air inlet and an engine air outlet.
- the invention relates also to a filter unit for such an air filter housing.
- hose from the extra air outlet to the compressor is at present usually fitted to a pipe stub on one or more ducts in a blow-moulded air duct system which leads the air from the engine air outlet to the engine.
- blow-moulded air duct system The configuration of the blow-moulded air duct system is thus complicated and the air flow through the air duct is adversely affected such that the pressure drop increases across the system, leading to higher fuel consumption of the engine.
- An object of the invention is to propose a filter housing with an extra air outlet which minimises adverse effects upon the air flow to the engine. This is achieved by the features indicated in the claims set out below.
- the filter housing therefore has an extra air outlet and also an air aperture to the extra air outlet situated between the filter unit and the engine air outlet, which aperture extends along a periphery of the engine air outlet.
- the air aperture is delineated between a cover of the filter housing and an upper side of the filter unit.
- the existing interface between the cover and the filter unit may thus easily and effectively be opened to form the air aperture.
- the air aperture may then comprise a gap running obliquely upwards and outwards. Part of the filtered air may then be distributed evenly to the extra air outlet effectively without causing disturbance.
- the extra air outlet may further be situated on the cover of the filter housing, making it possible to use a standardised connection to take air to the compressor more directly, before the connection of the air ducts to the engine.
- a filter unit for a filter housing according to the invention with an air inlet and an engine air outlet comprises a substantially semicylindrical air filter with a filter top and a filter bottom.
- An upper side of the filter top is configured to delineate in conjunction with a cover of the filter housing an air aperture to an extra air outlet of the air filter housing, which aperture extends along a periphery of the engine air outlet.
- the upper side of the filter top is also configured to delineate in conjunction with the cover of the filter housing an encircling air duct for transfer of filtered air between the air aperture and the extra air outlet.
- FIG. 1 is a view obliquely from above of an air filter arrangement according to the invention
- FIG. 2 is a longitudinal sectional view corresponding to FIG. 1 with cover open;
- FIG. 3 is a longitudinal sectional view approximately as per FIG. 2 with air filter partly pulled out;
- FIG. 4 is a detail view, with portions cut away, of an upper portion of an air filter arrangement according to the invention.
- FIG. 5 is a detail view, with portions cut away, of a lower portion of an air filter arrangement according to the invention
- FIG. 6 is a side view, with portions cut away, of an upper portion of an air filter arrangement according to the invention with cover closed;
- FIG. 7 is a view corresponding to FIG. 6 with cover open; and FIGS. 8A-8C depict schematically a process of opening the cover of an arrangement substantially according to FIGS. 6 and 7.
- the air filter arrangement depicted in the drawings comprises in a known way an elongate air filter housing 10 for accommodating a filter unit or cartridge 50 comprising a substantially semicylindrical air filter 52.
- Air which is to be filtered passes through an air inlet 20 (FIG. 1 ) on the outside of the housing 10 into an annular space between the filter unit 50 and the filter housing 10 and, after passing through the filter 52, proceeds through an engine air outlet 40 in a cover 30 on the upper side of the filter housing 10.
- This engine air outlet 40 is itself intended to be connected to an undepicted air intake of a combustion engine via successive air ducts 42, 80.
- the filter 52 of the filter unit 50 is connected to a filter top in the form of an upper seal element 60 which has a central aperture 62 coaxial with an inside of the filter 52 and with the air outlet 40.
- the outer periphery of the seal element 60 abuts sealingly against an edge 14 which delineates a top aperture 12 of the housing.
- Centering means of the housing 10 and/or the filter top 60 e.g. an encircling protrusion 67 directed downwards from the underside of the filter top 60, may facilitate and ensure that the filter top reaches a correct position at the upper side of the housing 10.
- an air aperture 64 (FIG. 4) to an extra air outlet 36.
- part of the filtered air may then also be led to an encircling air duct 66 via an air aperture 64 between the cover 30 and the upper seal element 60 before making its way out through the extra air outlet 36.
- the air duct 66 may be delineated radially outwards by an encircling ridge 69 which is part of the upper seal element 60 and which abuts sealingly against the cover 30.
- the extra air outlet 36 which may distribute filtrated air in the arrangement to an undepicted air consumer, e.g.
- an air compressor is situated in the filter housings 10 cover 30.
- the air aperture 64 extends along a periphery of the engine air outlet 40, with advantage round the whole periphery, in the form of a gap which slopes obliquely outwards and upwards.
- the width of the gap may be maintained by supports, e.g. a plurality of evenly distributed bulges 68 which may, as desired, be situated on the upper seal element 60 (FIG. 3) or on the cover 30.
- the filter unit's 50 filter 52 is also connected to a filter bottom in the form of a lower seal element 70.
- the outer periphery of the lower seal element 70 abuts sealingly against a lower circumferential edge 18 which delineates a bottom aperture 16 (FIG. 3) of the housing.
- This bottom aperture 16 allows dirt, cleaning agents and other particles to make their way out of the filter housing 10 when it is being cleaned, e.g. on the occasion of change of the filter unit 50.
- Centering means of the housing 10 and/or the filter bottom 70 may facilitate and ensure that the filter bottom 70 also reaches a correct position at the lower side of the housing 10.
- the aforesaid cover 30 in FIGS. 1-3 and FIGS. 6-7 is depicted as being connected pivotably to the filter housing 10 via a hinge 38 situated at an upper outside of the housing 10.
- the cover's 30 air outlet 40 may further be covered by a filter element 34 (FIG. 2), e.g. a filter cloth and/or a fine-mesh grille, to prevent contaminants and solid particles from entering the air ducts 40, 80 when the cover 30 is open.
- the cover 30 may be fastened to the housing 10 by suitable connecting means, e.g. undepicted tightening screws or other kinds of fastenings.
- suitable connecting means e.g. undepicted tightening screws or other kinds of fastenings.
- the air duct 40 situated nearest to the cover 30 is provided with a collapsible or flexible pipe section 42 which allows repeated opening and closing of the cover 30 without removal from or movement of the fixed air duct 80 situated nearest to the engine.
- the pipe section 42 is provided with a narrowing curved portion C made of bendable rubber elastic material which, like a roll bellows, allows the larger cross-section nearest to the cover 30 to be turned inside out, with or without help from a service technician, over the narrowing cross-section nearest to the air duct 80, approximately as depicted in FIG. 7, when the cover 30 is being opened.
- the pipe section 42 is stretched over the engine air outlet 40 and the air duct 80.
- a middle line of the curved portion may then extend at approximately constant distance R from the cover's hinge 38.
- FIGS. 8A-8C depict in more detail an opening process of an arrangement
- the air ducts 40 and 80 extend relatively far into the flexible pipe section 42 in order to support it and prevent its collapsing during operation.
- the cross-section of the pipe section 42 between the ducts may in various ways, e.g. by material notches or built- in stresses, be arranged to be drawn together somewhat or deformed radially inwards when the cover 30 starts opening.
- the larger duct 40 connected to the cover 30 will then be situated round and spaced from the narrower duct 80.
- a roll lobe 44 may naturally form on the portion of the pipe section 42 which is supported on an end portion of the narrower duct 80 so that the pipe section 42 unrolls like a roll bellows on this end portion.
- the cover 30 need not necessarily be connected pivotably to the remainder of the housing 10, as it may also in an undepicted way be capable of being completely lifted away from the housing 10.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020147027618A KR102037367B1 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
JP2014559866A JP2015509842A (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
RU2014139661/06A RU2566871C1 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filtering unit |
US14/380,973 US9334770B2 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
EP13754655.2A EP2820287B1 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
CN201380011974.3A CN104145111B (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
IN6605DEN2014 IN2014DN06605A (en) | 2012-03-01 | 2014-08-06 | |
US14/665,287 US9334771B2 (en) | 2012-03-01 | 2015-03-23 | Filter unit in a filter housing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1250194-6 | 2012-03-01 | ||
SE1250194A SE536415C2 (en) | 2012-03-01 | 2012-03-01 | Filter housing and filter unit |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/380,973 A-371-Of-International US9334770B2 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
US14/665,287 Division US9334771B2 (en) | 2012-03-01 | 2015-03-23 | Filter unit in a filter housing |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013129999A1 true WO2013129999A1 (en) | 2013-09-06 |
Family
ID=49083064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2013/050163 WO2013129999A1 (en) | 2012-03-01 | 2013-02-25 | Filter housing and filter unit |
Country Status (9)
Country | Link |
---|---|
US (2) | US9334770B2 (en) |
EP (1) | EP2820287B1 (en) |
JP (1) | JP2015509842A (en) |
KR (1) | KR102037367B1 (en) |
CN (1) | CN104145111B (en) |
IN (1) | IN2014DN06605A (en) |
RU (1) | RU2566871C1 (en) |
SE (1) | SE536415C2 (en) |
WO (1) | WO2013129999A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014008162A1 (en) * | 2014-06-04 | 2015-12-17 | Mann + Hummel Gmbh | Filter housing with receiving device and filter system |
WO2021099237A1 (en) * | 2019-11-18 | 2021-05-27 | Mann+Hummel Gmbh | Air filter comprising a primary air outlet and a secondary air outlet |
WO2021099239A1 (en) * | 2019-11-18 | 2021-05-27 | Mann+Hummel Gmbh | Air filter comprising a primary air outlet and a secondary air outlet and filter element for same |
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US8061530B2 (en) | 2009-04-09 | 2011-11-22 | Cummins Filtration Ip, Inc. | Filtration sealing system |
DE102011078057A1 (en) * | 2011-06-24 | 2013-01-10 | Mahle International Gmbh | Plate filter element |
DE102014011446A1 (en) * | 2013-09-19 | 2015-03-19 | Mann + Hummel Gmbh | Air filter device for a motor vehicle and filter element for an air filter device |
DE112016004899T5 (en) * | 2015-12-11 | 2018-07-12 | Cummins Filtration Ip, Inc. | Filter with axial seal with variable cross-section |
WO2017102027A1 (en) | 2015-12-18 | 2017-06-22 | Volvo Truck Corporation | Filter element comprising two offset outlets in communication with filter inner space, as well as corresponding housing |
CN114288725B (en) | 2016-03-18 | 2023-06-13 | 康明斯过滤Ip公司 | Interlocking stable filter assembly |
US11141687B2 (en) | 2016-05-02 | 2021-10-12 | Cummins Filtration Ip, Inc. | Filter with interlocking housing interface |
US10744440B2 (en) * | 2016-09-26 | 2020-08-18 | K&N Engineering, Inc. | Flangeless air filter |
FR3042099B1 (en) | 2017-01-10 | 2019-07-12 | Etablissements Fachaux Et Fils | IMPROVED INDIVIDUALIZATION SYSTEM FOR CHERRIES |
CN110248714B (en) | 2017-01-25 | 2022-06-07 | 康明斯过滤Ip公司 | Expandable threaded adapter for threadless housings |
DE112018000382T5 (en) | 2017-02-21 | 2019-09-26 | Cummins Filtration Ip, Inc. | Corrugated interlocking housing endplate interface geometry |
CN110446539B (en) | 2017-03-16 | 2022-07-08 | 康明斯滤清***知识产权公司 | Filtering sealing system |
WO2022115423A1 (en) | 2020-11-24 | 2022-06-02 | Cummins Filtration Inc. | Arched air filter |
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CN203017908U (en) * | 2012-06-26 | 2013-06-26 | 维克斯滤清器有限责任公司 | Filter assembly |
-
2012
- 2012-03-01 SE SE1250194A patent/SE536415C2/en unknown
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2013
- 2013-02-25 JP JP2014559866A patent/JP2015509842A/en active Pending
- 2013-02-25 CN CN201380011974.3A patent/CN104145111B/en active Active
- 2013-02-25 WO PCT/SE2013/050163 patent/WO2013129999A1/en active Application Filing
- 2013-02-25 EP EP13754655.2A patent/EP2820287B1/en active Active
- 2013-02-25 RU RU2014139661/06A patent/RU2566871C1/en active
- 2013-02-25 KR KR1020147027618A patent/KR102037367B1/en active IP Right Grant
- 2013-02-25 US US14/380,973 patent/US9334770B2/en active Active
-
2014
- 2014-08-06 IN IN6605DEN2014 patent/IN2014DN06605A/en unknown
-
2015
- 2015-03-23 US US14/665,287 patent/US9334771B2/en active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014008162A1 (en) * | 2014-06-04 | 2015-12-17 | Mann + Hummel Gmbh | Filter housing with receiving device and filter system |
DE102014008162B4 (en) * | 2014-06-04 | 2018-10-18 | Mann+Hummel Gmbh | Filter housing with receiving device and filter system |
WO2021099237A1 (en) * | 2019-11-18 | 2021-05-27 | Mann+Hummel Gmbh | Air filter comprising a primary air outlet and a secondary air outlet |
WO2021099239A1 (en) * | 2019-11-18 | 2021-05-27 | Mann+Hummel Gmbh | Air filter comprising a primary air outlet and a secondary air outlet and filter element for same |
Also Published As
Publication number | Publication date |
---|---|
JP2015509842A (en) | 2015-04-02 |
KR20140131386A (en) | 2014-11-12 |
US9334770B2 (en) | 2016-05-10 |
SE536415C2 (en) | 2013-10-15 |
IN2014DN06605A (en) | 2015-05-22 |
EP2820287B1 (en) | 2017-10-04 |
EP2820287A1 (en) | 2015-01-07 |
US9334771B2 (en) | 2016-05-10 |
CN104145111A (en) | 2014-11-12 |
KR102037367B1 (en) | 2019-10-28 |
US20150033684A1 (en) | 2015-02-05 |
RU2566871C1 (en) | 2015-10-27 |
SE1250194A1 (en) | 2013-09-02 |
US20150192044A1 (en) | 2015-07-09 |
EP2820287A4 (en) | 2015-10-21 |
CN104145111B (en) | 2017-03-01 |
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