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WO2006114205A1 - Systeme de filtre - Google Patents

Systeme de filtre Download PDF

Info

Publication number
WO2006114205A1
WO2006114205A1 PCT/EP2006/003408 EP2006003408W WO2006114205A1 WO 2006114205 A1 WO2006114205 A1 WO 2006114205A1 EP 2006003408 W EP2006003408 W EP 2006003408W WO 2006114205 A1 WO2006114205 A1 WO 2006114205A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
filter system
filter housing
air
housing
Prior art date
Application number
PCT/EP2006/003408
Other languages
German (de)
English (en)
Inventor
Eberhard Mayer
Stefanie SCHWINGENSCHLÖGL
Original Assignee
Daimlerchrysler Ag
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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2006114205A1 publication Critical patent/WO2006114205A1/fr

Links

Classifications

    • 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
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • 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
    • 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
    • B01D46/62—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 series
    • B01D46/64—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 series arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/40—Different types of filters

Definitions

  • the invention relates to a filter system for a motor vehicle, in particular an air filter for a commercial vehicle, according to the preamble of patent claim 1 and of patent claim 11.
  • a filter system for a motor vehicle in particular an air filter for a commercial vehicle, is known, which an inlet housing part, can be fed through the fluid to be cleaned, in particular raw air, an arrangement of a plurality of filter elements, the dirt separation of the through which the fluid to be purified can flow, as well as an outlet housing part through which purified fluid can be discharged.
  • the inlet housing part has an inlet chamber, and the cartridge-shaped filter elements are arranged in the inlet chamber in a row one behind the other and can be flowed around jointly by the fluid to be cleaned.
  • the object of the invention is in contrast to provide a filter system which has a simple and compact design with simultaneous high cleaning performance and can be used for different amounts of air of different engine variants. This object is achieved by a filter system having the features of patent claim 1 and patent claim 11.
  • the filter system according to the invention is characterized in that the filter elements are axially flowed through, wherein at the same fluid flow rates by the variation of the number of filter elements, the cleaning performance of the filter system is variable.
  • uniform filter cartridges can thus be operated by combining the number of different engine performance and thus fluid flow rates.
  • different fluid throughputs and thus engine outputs can be covered even with one and the same filter housing and not depending on the series of the vehicle, the filter housing according to the fluid flow rate must always be adapted constructively.
  • the filter system according to the invention advantageously allows an axial flow, flow and outflow of the filter elements in the same direction without flow deflection of the fluid to be cleaned. As a result, the additional pressure loss occurring during flow around the filter elements as a result of the deflection of the air and thus the associated higher fuel consumption or a power reduction of the internal combustion engine are largely avoided in a reliable manner.
  • the filter can be advantageously used in a Rohr1eitungsSystem.
  • the integration of the filter housing in the raw or clean air guide saves the provision of additional space for the filter housing.
  • Raw and / or clean air lines can thus be at least partially eliminated.
  • the filter system according to the invention in its construction is much simpler and more compact and thus reduces the variety of parts, thereby helping to save costs in manufacturing and spare parts.
  • the receiving devices are arranged in the flow direction parallel to each other in the filter housing.
  • the receiving means are arranged transversely to the flow direction in a plane in the filter housing.
  • the receiving means are arranged offset in the flow direction for better fluid distribution against each other in the filter housing.
  • the outer shape of the filter housing is adapted to the space conditions of the motor vehicle.
  • At least one receiving device has no filter element.
  • the unoccupied receiving device is closed with a sealing material.
  • a sealing material can be, for example, a cover or a cover plate with additional seal against the environment, so that raw and clean air area can not mix.
  • the space created by the at least one missing filter element can be used as resonance volume.
  • the filter elements are designed as cartridges.
  • the cartridge can be produced, for example, by wound or layered filter paper, preferably as a cylindrical, cuboidal, prismatic or oval body. By a corresponding increase in the inflow area of the cartridges, the pressure loss of the respective cartridges can be specifically reduced.
  • filter media known per se paper filter, nonwovens, as well as multi-component and / or multi-layer materials can be used.
  • the filter elements are pluggable.
  • the filter housing of the vehicle according to the invention is arranged in the region of a wheel house.
  • the filter housing is adapted in shape to the wheel arch.
  • the filter housing is in principle adaptable to any space due to the flexible arrangement of the individual cartridges.
  • the inlet opening and thus the Rohlufteintritt is connected to one end of a pipe whose other end in the floor area, in the roof area (17) of the vehicle or in an area between (road) floor and roof ends.
  • FIG. 3 shows a preferred arrangement of the air filter system according to the invention in the area of the front air intake
  • Fig. 4 is a schematic representation of a preferred position of the air filter system according to the invention in the rear air intake and
  • FIG. 5 shows a further illustration of an arrangement of the filter system according to the invention with unfiltered air duct
  • Fig. 6 is a schematic representation of a front air intake with calmed zone in the intake.
  • the filter system illustrated in FIGS. 1 to 6 is, in particular, an air filter system which is used, for example, in the intake tract of an internal combustion engine for cleaning and filtering the intake combustion air.
  • the filter system according to the invention shown in Fig. 1 shows a filter housing 1 with an inlet opening 2 for the fluid to be cleaned, preferably the unfiltered air, and a Outlet opening 3 for the purified fluid, preferably the clean air, with subsequent clean air line 3.1.
  • the outlet opening 3 may preferably be formed into a pipe socket for connection to the clean air line 3.1.
  • the filter system is integrated here in the region of the raw air line, so that conveniently costly raw air lines can be omitted and thus can be saved as a further advantage space.
  • the interior of the filter housing 1 has two receiving devices not shown in detail for receiving a respective filter element 4, wherein the receiving devices and thus the filter elements 4 are arranged in the flow direction parallel to each other in the filter housing 1.
  • the filter elements 4 are advantageously designed as cartridges 8 here. Not separately shown seals in the interior of the filter housing 1, which are attached to the cartridges 8, the filter housing 1 and / or on the receiving devices or other suitable locations preferably by gluing, molding or foaming and act radially or axially, separate within the filter housing 1 the Raw air from the clean air area. Furthermore, the filter systems according to the invention shown in FIGS. 1 to 6 have a further seal between the filter housing 1 and the lid (not shown separately) for sealing against the ambient air. Sealing cords made of elastic materials, such as PUR rubbers or other suitable materials, for example, are used as sealing materials.
  • the filter surface required for filtering can be added by omitting or omitting Filter cartridges are adjusted.
  • the cleaning performance of the filter system is arbitrarily variable by the variation with respect to the number and / or the capacity for receiving dirt particles of the cartridges.
  • the fluid flow depends on the engine power; the cartridges 8 are designed according to the (air) throughput required by the internal combustion engine.
  • the arrows symbolize the flow direction of the fluid to be cleaned, here the sucked combustion air for the internal combustion engine.
  • the fluid to be cleaned the raw air is fed to the filter system on the inflow side, wherein the filter elements 4 are flowed through axially.
  • the cleaned fluid, the clean air leaves the filter system via its outflow side, wherein the filter elements 4 are arranged in the receiving means transversely to the flow direction in a plane in the filter housing 1.
  • the filter elements 4 can be plugged in a simple manner into the receiving devices provided within the filter housing 1.
  • the filter housing 1 must have a corresponding receiving device or guide (not shown).
  • a twisting or slipping of the cartridges is reliably prevented by positive engagement with the filter housing 1 and its receiving device or guide.
  • the final positioning of the cartridges 8. This is done by the filter housing cover not shown or the filter housing cover which releases an opening for the maintenance of the cartridge 4 after its removal.
  • the cartridges 8 are therefore just as easy to remove as part of a maintenance or in the event of replacement.
  • the removal of the interchangeable filter elements. 4 can be done raw or clean air side.
  • a secondary element 4.2 can be provided following the filter elements 4 for restraining these contaminants.
  • the filter elements 4 may further be preceded by a pre-filter 4.1, such as a grid-like structure made of metal or plastic, a fleece, cyclones or a similarly suitable pre-filtering means. Both pre-filter 4.1 and secondary element 4.2 may be integrated into the filter housing 1.
  • the empty space created by the at least one missing filter element 4 can be used advantageously as a resonance volume.
  • FIG. 2 shows a variant of the filter system of FIG. 1, wherein for the sake of clarity, the same reference numerals are used for functionally identical or equivalent components and, to that extent, reference can be made to the above description of FIG.
  • the filter housing 1 has three receiving means not shown separately, which are arranged offset in the flow direction against each other in the filter housing 1. Due to the staggered arrangement arise in the filter housing 1, a common plenum 5 on the inlet side (raw air) and a common plenum 6 on the outlet side (clean air) of the air duct. The direction of flow is indicated by the corresponding arrows.
  • the flow cross section is located in the collecting space 5 on the inlet or Rohluftseite smaller in the flow direction, so that the loading, ie the uniform distribution of the fluid is the same for all filter cartridges.
  • This uniform flow of the filter elements 4 prevents local overloading by separated particles.
  • guide devices such as blades, ribs or the like, can be provided, which also distribute the flow evenly.
  • the raw and / or clean air pipe guides can be largely replaced by the collecting chambers 5,6 and integrated into the filter housing 1, that can be dispensed with this substantially.
  • the design of such a filter system is therefore much more compact as a further advantage and requires correspondingly less space.
  • the outer shape of the filter housing 1 can thus be adapted to the space conditions of the respective motor vehicle. Additionally, in the embodiments of FIGS. 1 and 2, ribs may contribute to the stiffness of the filter housing and to the flow control.
  • a unitary filter housing 1 can be adapted to the respective engine power and the associated air throughput by the required filter surface by flexible placement of the filter housing 1 with cartridge-shaped filter elements 4,8. This is done by variation with respect to type and / or number of each required filter elements 4.8.
  • a sealing material such as a lid with seal
  • the unequaled receiving device is provided in the filter housing 1 with a Dämfungsnick.
  • a silencer in the air filter housing thus a significant noise attenuation in the air intake is achieved.
  • This can be done for example by means of a Helmholtz resonator. It is an additional resonance volume, which is open to the clean air area. As a result, pulsation peaks can be damped.
  • the resonance volume must be tuned in its size with the interference frequencies.
  • the resonator can be mounted on any unequipped recording device.
  • FIG. 3 shows a possible position of the filter system according to the invention in the area of the front air intake.
  • the filter housing 1 may for example be attached to the vehicle frame, on the cab or directly on the internal combustion engine.
  • the air filter 7 is arranged in Fig. 3 directly in front of the internal combustion engine above the charge air cooler 9.
  • the filter housing 1 replaces the raw air line or is part of the raw air line. This eliminates advantageously at least partially a separate raw air line.
  • the inlet opening 2 for intake of raw air is located above the condenser 9.1.
  • the suction of the required air takes place, as shown in Fig. 6, from a calm zone between the end wall 23 and parapet 24 in the area of the cab 18 out.
  • a line (not shown) can be set as Rohluft arrangement to bring the intake further up.
  • filter elements 4 in the form of cartridges 8 are designed as a separate component and are flowed through axially in the direction of the arrow by the air.
  • the filter elements 4,8 are, as shown in Fig. 1, in the flow direction parallel to each other and arranged transversely to the flow direction in a plane in the filter housing 1.
  • the clean air to be cleaned air is supplied to the air filter 7 axially on the inflow side 10, the purified clean air leaves the air filter 7 also axially on the downstream side 11.
  • the air filter 7 leaving clean air is received by the clean air line 12 and is preferably for charging in the exhaust gas turbocharger 13th guided.
  • the filter housing 1 with the therein cartridge-shaped, not shown filter elements for example, in front of the front wheel (not shown separately) or in the region of the wheel arch 15 may be arranged, wherein the filter housing 1 is preferably adapted in its shape to the wheel arch 15. This adaptation is made possible by the special arrangement of the filter elements in the filter housing 1, in which this in
  • the flow direction is also characterized by the corresponding arrows: The raw air to be cleaned is sucked in via the inlet opening 2 and, after filtering through the outlet opening 3, leaves the filter housing 1 as clean air in the direction of the exhaust-gas turbocharger (not shown separately).
  • the inlet opening 2 is provided with one end 21 of a pipeline 19, here as a blank air line 19 designated, connected, the other end 16 ends in the roof area 17 of the vehicle.
  • the intake of unfiltered air via the suction point 16 is particularly preferred in commercial vehicles, especially in construction vehicles, above the roof 17 of the cab 18 because of the lower dust input.
  • the unfiltered air line 19 extends down the cab rear wall 20 and then opens into the inlet opening 2 of the filter housing 1.
  • the transition between the pipe, here unfiltered air guide 19, in the filter housing 1 is realized by a bellows 22 extending between the inlet opening 2 and the pipe end 21st located. Due to the close proximity to the vehicle's tipping axle, the air flow in this area need not be separated; the bellows 22 is merely stretched.
  • the filter systems according to the invention shown in FIGS. 1 to 6 desirably do not require an air calming chamber in the area of the inflow side 10 of the filter elements 4, 8 due to the axial inflow, outflow and outflow.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un système de filtre pour véhicules à moteur, notamment un filtre à air (7) pour véhicules utilitaires. Ce filtre comprend un carter (1) pourvu d'un orifice d'entrée (2) pour le fluide à épurer, l'intérieur du carter (1) du filtre comportant au moins deux dispositifs récepteurs pour recevoir chacun un élément filtrant (4) et au moins un dispositif récepteur étant équipé d'un élément filtrant (4). L'invention est caractérisée en ce que les éléments filtrants (4) sont traversés dans l'axe et, pour des débits fluidiques identiques, la variation du nombre des éléments filtrants (4) permet de modifier la puissance d'épuration du système de filtre.
PCT/EP2006/003408 2005-04-26 2006-04-13 Systeme de filtre WO2006114205A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005019672A DE102005019672A1 (de) 2005-04-26 2005-04-26 Filtersystem
DE102005019672.1 2005-04-26

Publications (1)

Publication Number Publication Date
WO2006114205A1 true WO2006114205A1 (fr) 2006-11-02

Family

ID=36678450

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/003408 WO2006114205A1 (fr) 2005-04-26 2006-04-13 Systeme de filtre

Country Status (2)

Country Link
DE (1) DE102005019672A1 (fr)
WO (1) WO2006114205A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192059A (zh) * 2010-03-19 2011-09-21 神钢建设机械株式会社 发动机吸气装置及具有该发动机吸气装置的工程机械
CN103372345A (zh) * 2012-04-26 2013-10-30 曼·胡默尔有限公司 用于滤清器的壳体及滤清器
US20160222928A1 (en) * 2013-09-09 2016-08-04 Ufi Filters S.P.A. A motor vehicle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5501632B2 (ja) † 2009-02-16 2014-05-28 日本碍子株式会社 ハニカム構造体
ITRE20110078A1 (it) * 2011-10-05 2013-04-06 Ufi Filters Spa Elemento collettore per una cartuccia filtrante
ITRE20130024A1 (it) * 2013-04-03 2014-10-04 Ufi Filters Spa Veicolo a motore

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB947987A (en) * 1962-08-20 1964-01-29 Farr Co A filter assembly
GB1449599A (en) * 1972-11-03 1976-09-15 Marshall D A G Filters for filtering gaseous streams
US4602595A (en) * 1984-03-01 1986-07-29 Aisin Seiki Kabushiki Kaisha Oil separator for internal combustion engine
DE3737117A1 (de) * 1987-11-02 1989-05-11 Iso Punkt Ges Fuer Chemische P Filtervorrichtung fuer gase, insbesondere fuer luft
US5458664A (en) * 1992-05-13 1995-10-17 Sumitomo Electric Industries, Ltd. Particulate trap for purifying diesel engine exhaust
US5472463A (en) * 1994-06-14 1995-12-05 Cummins Engine Company, Inc. Pressure side integrated air filter and filtering networks for engines
DE10032384A1 (de) * 2000-07-06 2002-01-31 Daimler Chrysler Ag Filtersystem für ein Kraftfahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890299C (de) * 1951-12-18 1953-09-17 Draegerwerk Ag Gasfilteranlage
DE1576496A1 (de) * 1967-01-16 1970-05-06 Cambeis Dr Ing E H Walter Filter,insbesondere Luftfilter fuer Verbrennungsmotore
DE3909402A1 (de) * 1989-03-22 1990-09-27 Schumacher Gmbh & Co Kg Filter fuer gasfoermige medien

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB947987A (en) * 1962-08-20 1964-01-29 Farr Co A filter assembly
GB1449599A (en) * 1972-11-03 1976-09-15 Marshall D A G Filters for filtering gaseous streams
US4602595A (en) * 1984-03-01 1986-07-29 Aisin Seiki Kabushiki Kaisha Oil separator for internal combustion engine
DE3737117A1 (de) * 1987-11-02 1989-05-11 Iso Punkt Ges Fuer Chemische P Filtervorrichtung fuer gase, insbesondere fuer luft
US5458664A (en) * 1992-05-13 1995-10-17 Sumitomo Electric Industries, Ltd. Particulate trap for purifying diesel engine exhaust
US5472463A (en) * 1994-06-14 1995-12-05 Cummins Engine Company, Inc. Pressure side integrated air filter and filtering networks for engines
DE10032384A1 (de) * 2000-07-06 2002-01-31 Daimler Chrysler Ag Filtersystem für ein Kraftfahrzeug

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192059A (zh) * 2010-03-19 2011-09-21 神钢建设机械株式会社 发动机吸气装置及具有该发动机吸气装置的工程机械
CN103372345A (zh) * 2012-04-26 2013-10-30 曼·胡默尔有限公司 用于滤清器的壳体及滤清器
CN103372345B (zh) * 2012-04-26 2016-03-16 曼·胡默尔有限公司 用于滤清器的壳体及滤清器
US20160222928A1 (en) * 2013-09-09 2016-08-04 Ufi Filters S.P.A. A motor vehicle

Also Published As

Publication number Publication date
DE102005019672A1 (de) 2006-11-02

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