WO2008043610A1 - Dispositif de filtration, en particulier pour la filtration d'air de combustion dans des moteurs à combustion interne - Google Patents

Dispositif de filtration, en particulier pour la filtration d'air de combustion dans des moteurs à combustion interne Download PDF

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Publication number
WO2008043610A1
WO2008043610A1 PCT/EP2007/059290 EP2007059290W WO2008043610A1 WO 2008043610 A1 WO2008043610 A1 WO 2008043610A1 EP 2007059290 W EP2007059290 W EP 2007059290W WO 2008043610 A1 WO2008043610 A1 WO 2008043610A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
space
wall
tube
filter device
Prior art date
Application number
PCT/EP2007/059290
Other languages
German (de)
English (en)
Inventor
Stefan Walz
Michael Durst
Original Assignee
Mann+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+Hummel Gmbh filed Critical Mann+Hummel Gmbh
Priority to DE112007002065T priority Critical patent/DE112007002065A5/de
Publication of WO2008043610A1 publication Critical patent/WO2008043610A1/fr

Links

Classifications

    • 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
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • 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
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/201—Conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/203—Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines

Definitions

  • the invention relates to a filter device, in particular for
  • the air filter is subjected to a supply of combustion air to be filtered.
  • filter bags which are arranged in the engine compartment and from
  • the filter bags consist of one
  • Filter hoses are with one of its two axial end faces to a
  • Air collecting box connected to the cylinder inlets
  • the present invention seeks to provide a simple structure, robust and protected against external influences filter device, which is characterized by a high filtration performance and the filter element can be easily replaced.
  • the filter device which is designed for the filtration of particular gaseous fluids such as the combustion air in internal combustion engines, optionally also a filtration of liquids into consideration, comprises a box-like housing in which at least one, but in particular a plurality of filter elements are included which are each designed as filter bags.
  • the filter housing on the one hand on a filter tube space in which the at least one filter tube is received, and on the other hand, a fluid receiving space which is separated from the filter tube space via a partition wall.
  • filter hoses connecting openings between the spaces are introduced into this partition, to each of which a filter hose is connected.
  • About other flow openings in the outer walls of both the filter tube space and the fluid receiving space is a 3/14 VSS 2813
  • the dividing wall between the filter hose space and the fluid receiving space separates the raw from the clean side, whereby depending on the design of each of the two rooms the raw side and the other room can be the clean side. Since the filter bags are enclosed in the filter tube space, they are protected against external influences, in particular against mechanical damage and against contamination and moisture.
  • the filter tube space forms the raw side into which the fluid to be cleaned is introduced via the flow opening in the outer wall. The uncleaned fluid spreads in the filter tube space and penetrates the filter walls of the filter tubes radially from outside to inside.
  • the interior of the filter tubes in this embodiment represents the clean side, which communicates via the frontal opening in the filter tube and the connection opening in the partition with the fluid receiving space, which is also part of the clean side of the filter device. If a plurality of filter bags are provided, the cleaned fluid is collected from all the filter bags in the fluid receiving space and then discharged via the outside flow opening for further use. 4/14 VSS 2813
  • the filter device according to the invention offers the advantage of a modular construction.
  • single or all filter bags can be replaced for maintenance purposes, for which only the filter tube space must be opened and one or more of the filter bags must be removed.
  • the filter hoses represent individual modules within the entire filter device.
  • Another advantage is the high filtration performance. That in the
  • Filter tube space introduced raw fluid spreads evenly and can penetrate the walls of the filter tubes uniformly radially from outside to inside.
  • a plurality of such filter bags can be provided.
  • the fluid receiving space represents the raw side and the filter tube space the clean side, in which the purified fluid is collected and discharged through the flow opening in the outer wall.
  • the total cleaning performance is determined by the number of filter bags, which are located in the filter device, wherein the filter bags can be made identical to each other.
  • Another advantage is that in case of maintenance of the filter device no accidental contamination of the clean side is to be feared.
  • the filter bags are removed from the filter hose chamber and replaced with cleaned or new filter bags. Since the dividing wall separates the raw side from the clean side and the filter hoses are positioned exclusively on one side of the dividing wall, the fluid receiving space remains unimpaired by the change of the filter hoses.
  • the material of the filter bags is stiff to prevent packaging.
  • the filter bags can either have smooth, even walls or, according to an advantageous and preferred embodiment, have folds, whereby the filter surface of each 6/14 VSS 2813
  • Filter tube can be significantly increased.
  • Such folds are oriented either exclusively in the longitudinal or in the circumferential direction or, according to a further preferred embodiment, the fold edges can enclose an angle relative to the filter longitudinal axis, that is to say run obliquely in the circumferential direction.
  • the embodiments with folds in the circumferential direction have in common that the filter bags are characterized by a high degree of flexibility and in particular in the transverse direction transversely to the longitudinal axis are flexible.
  • the design with folds whose fold edges are at an angle to the filter longitudinal axis moreover, has a particularly high degree of stability, without affecting the flexibility in the transverse direction.
  • the filter bags preferably have a cylindrical or hollow cylindrical shape, in which the cross section remains the same over the axial length. But are also possible deviations thereof, for example, a conical shape or different axial sections with different inner and / or outer diameters. 7/14 VSS 2813
  • the filter bags expediently extend horizontally or at least approximately horizontally in the filter housing.
  • support means consist for example of a support grid, which is connected to the wall of the filter bags.
  • support devices that support the filter bags against an inner wall of the filter tube space.
  • Such support measures are particularly useful in the event that the filter bags are attached only to an axial end face, namely on the partition wall between fluid receiving space and filter tube space, whereas the opposite axial end can hang freely in space.
  • an attachment of the opposite end wall of the partition on the adjacent inner wall of the filter tube space comes into consideration.
  • Fig. 1 is a schematic representation of a filter device
  • a box-like filter housing having a filter tube space with
  • FIG. 2 shows a perspective view of a filter hose for
  • the filter device 1 shown in Fig. 1 is in particular for filtration
  • Filter device 1 comprises a box-like filter housing 2, in which a
  • Fluid receiving space 4 are introduced. Act as filter elements
  • the filter bags 5, 6 and 7 are respectively at the partition 8 between 9/14 VSS 2813
  • Filter tube space 3 and fluid receiving space 4 held and connected to connecting openings 9, 10 and 11, which are introduced into the partition 8.
  • Each filter hose 5, 6 and 7 extends horizontally in the filter hose chamber 3, wherein the end wall facing away from the partition wall either free hanging in space, as is the case with the filter bags 5 and 7, or is attached to an opposite wall, in particular In this wall 15, a flow opening 12 is introduced, via which the fluid to be cleaned in the filter hose chamber 3 is introduced.
  • Another flow opening 13 is located in an outer wall of the fluid receiving space 4, via this flow opening 13, the purified fluid is discharged.
  • the filter tube space 3 represents the raw side. The inflowing fluid spreads in the filter tube space 3 and flows radially from outside to inside through the filter wall of each filter tube 5 to 7.
  • the cleaned fluid is axially through the connection openings 9, 10 and 11 derived in the partition 8 and guided into the fluid receiving space 4, which is the clean side.
  • the purified fluid is collected from all the filter bags and finally discharged through the outer flow opening 13 and supplied for further use. 10/14 VSS 2813
  • the filter bags can be made either cylindrical, as is the case with the filter bags 5 and 6, or also have a different geometry, for example, be conical, which is the case with the filter tube 7.
  • support means may be provided to hold the filter bags in their horizontal position and to stabilize in their parallel position.
  • a support means for example, a support grid 16 into consideration, which is introduced into the filter tube 5.
  • a baffle 14 is introduced into the filter tube space 3, at which the fluid flow supplied via the flow opening 12 bounces off first and undergoes a deflection.
  • This baffle 14 has flow openings or does not extend over the entire cross section of the filter tube space 3, to allow flow communication between the flow opening 12 and the space with the filter bags 5 to 7. If appropriate, the baffle 14 can also serve as a support wall to which the axial end faces of the filter bags are fastened.
  • the filter tube space 3 can be opened, for example by
  • a filter tube 5 is shown in individual representation.
  • Filter tube 5 is designed as a pleated filter and has a plurality of over the axial length and circumferentially extending folds 19. Some of these folds have fold edges 20, which enclose an angle with respect to the longitudinal axis 18 - or a longitudinal center plane - which deviates in particular from 90 °. These obliquely extending fold edges give the filter tube 5 a bellows-shaped structure, whereby the stability is increased while maintaining high flexibility in the longitudinal and radial directions.
  • the filter device is particularly suitable for the filtration of combustion air in internal combustion engines. However, it is also an application for the filtration of the vehicle interior air or in general for the filtration in vehicles possible.
  • the flow through the filter bags or can be done both radially from inside to outside and radially from outside to inside.
  • the filter bags can additionally or alternatively to the horizontal arrangement also run vertically, obliquely or curved in the filter tube space.
  • the support device on the filter hose can be arranged both on the inside and on the outside or optionally integrated in the wall.
  • the wall of the filter tube can be formed smooth, axially folded or radially folded.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un dispositif de filtration qui présente, dans un boîtier de filtre, un espace de manche filtrante destiné à recevoir au moins une manche filtrante. L'espace de manche filtrante est réalisé sous la forme d'un espace fermé qui présente au moins une ouverture d'écoulement dans une paroi extérieure.
PCT/EP2007/059290 2006-10-12 2007-09-05 Dispositif de filtration, en particulier pour la filtration d'air de combustion dans des moteurs à combustion interne WO2008043610A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112007002065T DE112007002065A5 (de) 2006-10-12 2007-09-05 Filtereinrichtung, insbesondere zur Filtration von Verbrennungsluft in Brennkraftmaschinen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006015783U DE202006015783U1 (de) 2006-10-12 2006-10-12 Filtereinrichtung, insbesondere zur Filtration von Verbrennungsluft in Brennkraftmaschinen
DE202006015783.2 2006-10-12

Publications (1)

Publication Number Publication Date
WO2008043610A1 true WO2008043610A1 (fr) 2008-04-17

Family

ID=38701061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/059290 WO2008043610A1 (fr) 2006-10-12 2007-09-05 Dispositif de filtration, en particulier pour la filtration d'air de combustion dans des moteurs à combustion interne

Country Status (2)

Country Link
DE (2) DE202006015783U1 (fr)
WO (1) WO2008043610A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014211U1 (de) * 2008-10-24 2010-03-11 Mann+Hummel Gmbh Luftfilter für die einem Verbrennungsmotor in einem Kraftfahrzeug zugeführte Luft
CN103002968A (zh) * 2010-06-16 2013-03-27 马勒国际有限公司 过滤器滤芯
WO2018092178A1 (fr) * 2016-11-21 2018-05-24 株式会社ロキテクノ Élément de filtre

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014010927A1 (de) * 2014-07-28 2016-01-28 Mann + Hummel Gmbh Filtereinsatzteil
DE102018206642A1 (de) * 2018-04-27 2019-10-31 Wilhelm Bruckbauer Luftleitsystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1085481A (fr) * 1952-09-12 1955-02-02 Westfalia Separator Ag Filtre à pression avec éléments filtrants élastiques
US3447689A (en) * 1967-11-08 1969-06-03 Aerospace Components Corp Bellows filter
WO2005095783A1 (fr) * 2004-03-31 2005-10-13 Mann+Hummel Gmbh Filtre aspirateur pour moteur a combustion interne de vehicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1085481A (fr) * 1952-09-12 1955-02-02 Westfalia Separator Ag Filtre à pression avec éléments filtrants élastiques
US3447689A (en) * 1967-11-08 1969-06-03 Aerospace Components Corp Bellows filter
WO2005095783A1 (fr) * 2004-03-31 2005-10-13 Mann+Hummel Gmbh Filtre aspirateur pour moteur a combustion interne de vehicule

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014211U1 (de) * 2008-10-24 2010-03-11 Mann+Hummel Gmbh Luftfilter für die einem Verbrennungsmotor in einem Kraftfahrzeug zugeführte Luft
WO2010046497A1 (fr) * 2008-10-24 2010-04-29 Mann+Hummel Gmbh Filtre à air pour l'air introduit dans un moteur à combustion interne d'un véhicule à moteur
CN103002968A (zh) * 2010-06-16 2013-03-27 马勒国际有限公司 过滤器滤芯
WO2018092178A1 (fr) * 2016-11-21 2018-05-24 株式会社ロキテクノ Élément de filtre
TWI637777B (zh) * 2016-11-21 2018-10-11 日商洛奇科技股份有限公司 過濾構件
JPWO2018092178A1 (ja) * 2016-11-21 2018-11-22 株式会社ロキテクノ フィルタ部材
US10946325B2 (en) 2016-11-21 2021-03-16 Roki Techno Co., Ltd. Filter component

Also Published As

Publication number Publication date
DE202006015783U1 (de) 2008-02-14
DE112007002065A5 (de) 2009-07-30

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