EP2337941A1 - Air filter for air fed to an internal combustion engine in a motor vehicle - Google Patents
Air filter for air fed to an internal combustion engine in a motor vehicleInfo
- Publication number
- EP2337941A1 EP2337941A1 EP09740329A EP09740329A EP2337941A1 EP 2337941 A1 EP2337941 A1 EP 2337941A1 EP 09740329 A EP09740329 A EP 09740329A EP 09740329 A EP09740329 A EP 09740329A EP 2337941 A1 EP2337941 A1 EP 2337941A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- housing
- filter according
- air filter
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
Definitions
- the invention relates to an air filter for an internal combustion engine in a motor vehicle supplied air of the type mentioned in the preamble of claim 1.
- Described combustion engine supplied air which consists essentially of a cuboid filter housing with a flat filter element.
- the housing consists on the one hand of a box-shaped lower part with a closed bottom and a Rohluftö réelle and a clean air opening in side walls and on the other hand from a flat lid, wherein between the edges of the lower part and lid of the flat filter insert is sealingly clamped.
- two chambers are formed, namely a raw air chamber in the lower region and a clean air chamber above the filter insert.
- the filter insert is a central passage opening with a clean air line, which leads to a connecting piece for the intake of the internal combustion engine to be supplied clean air.
- the filter housing is substantially cylindrical with a central tube piece, so that between the filter housing jacket and the Pipe an annular space is formed, in which the filter element is added.
- a raw air chamber with a raw air inlet nozzle, and at the other end of the clean air chamber is provided, from which the clean air is passed through the central pipe section to a clean air outlet.
- the filter element is flowed through in the axial direction.
- an air intake system for an internal combustion engine which comprises an air filter with a cuboid filter housing.
- the filter housing is provided on the unfiltered air side with an air inlet duct starting above a coolant radiator, and the clean air side is connected to the air intake system of the internal combustion engine.
- the present invention has for its object to provide an air filter of the generic type, which offers considerable adaptation in terms of design space in its design. This object is achieved by an air filter with the features of claim 1.
- an air filter is provided with a tubular filter element whose housing has an elongated extent, whereby it is possible, depending on the available space to make the housing in its longitudinal direction also arcuate.
- a in the inflow side extending substantially over the length of the housing unfiltered air opening is provided for a sufficient supply of raw air and uniform loading of the filter element.
- the housing and the filter element with respect to the elongated extension are installed substantially horizontally in the vehicle. This offers the possibility to install the air filter under the hood and, if necessary attached to this or an application after the Frontendgurt z. B. to arrange over a coolant heat exchanger. It is also advantageous that the housing and the filter element extend substantially transverse to the direction of travel.
- the unfiltered air opening is arranged on the underside of the housing.
- the raw air opening is designed such that the Air flow undergoes a significant deflection.
- a change in direction of the raw air is given, with the help of which a considerable pre-separation of coarse particles or drops can take place. Due to their inertia, coarse particles and droplets do not follow the change in direction, so that such particles or droplets are separated, or the particles do not flow into the unfiltered air opening.
- a clean air opening is arranged on at least one of the end sides of the housing.
- a clean air opening is provided on each end face. Air ducts are connected to these clean air openings, which either lead to a common air inlet of the internal combustion engine or are connected to separate air inlets of different cylinder banks of the internal combustion engine.
- a further advantageous embodiment of the air filter is that the housing partially consists of a predominantly closed-cell foam, which is airtight, but yielding under force.
- Such an embodiment of the housing has the advantage that the relevant part of the housing and also the filter element contained therein are yielding, so that the risk of injury in a person impact on the hood, such as a Collision with a pedestrian is reduced.
- the filter element is preferably made of a rolled-up to a hose filter web having embossing or bending lines, along which distributed over the circumference folds are buckled, wherein the folds relative to the filter longitudinal axis obliquely and / or orthogonal extending fold edges.
- Such an embodiment of the filter element makes it possible to move the filter element arcuate, as well as the housing is designed in its longitudinal extent. This has the advantage that the air filter is very flexible with respect to its application and can be addressed on any short-term space changes during the development process.
- FIG. 1 shows a schematic representation of an air filter
- FIG. 2 shows a schematic representation of the air filter for one
- Figure 3 shows a section transverse to the longitudinal extent of the air filter
- Figure 4 shows a variant of Figure 3 with lower height
- Figure 5 shows a variant of Figure 3 with changed
- an air filter 1 having a housing 2 and a
- Filter element 3 comprises.
- the housing 2 has an elongated extension between two end faces 4, 5, wherein this elongated extension forms an inflow side 6, which has a Rohluftö réelle designed as a longitudinal slot 7 for the inflow of unfiltered air.
- the upstream side 6 of the housing 2 is designed so that the distance between the Rohluftö réelle 7 to the filter element 3 near the end faces 4, 5 of the housing 2 is greater than in the central region of the elongated extension.
- the inflow of the raw air is indicated by the arrows 8.
- the filter element 3 extends over the entire length of the housing 2, ie in each case up to the end faces 4, 5, in which clean air openings 10, 11 are arranged.
- the raw air to be filtered occurs essentially radially through the filter element 3 in its interior and is guided there in the longitudinal direction of the filter element 3 to the clean air openings 10, 11.
- air ducts 12, 13 are connected, through which the clean air according to arrows 9 is supplied to the internal combustion engine.
- the air filter 1 described may be arranged above a coolant radiator for the internal combustion engine and thus extend horizontally in the vehicle transversely to the direction of travel.
- the direction of the cooling air is indicated by an arrow 14, wherein a cooling air flow is generated by a fan 15.
- 2 shows an air filter 16 which corresponds in terms of its function to that of Figure 1 and is changed only with respect to the shape of the housing 21.
- the air filter 16 is located above a coolant radiator of an internal combustion engine 17, which is, for example, a V-type engine with two cylinder banks 18, 19.
- the raw air enters according to arrows 20 through a corresponding - not shown in Figure 2 - Rohluftö réelle in the housing 21 and then flows radially through the filter element 3, which corresponds to that of Figure 1.
- air ducts 24, 25 are connected, by the arrow
- the fan 15 for generating a cooling air flow 14 corresponds to that of FIG. 1.
- FIG. 3 shows a section transverse to the longitudinal extension of an air filter
- the housing 28 has on a lower housing wall 29 adjacent to a front in the direction of travel housing wall 30 a raw air opening 31, wherein the front housing wall 30 is slightly extended down to the vertical inflow of the Raw air 8 to favor.
- the raw air enters radially into the Filter element 3 and is then passed as clean air in the longitudinal direction of the filter element through the interior thereof, to emerge from the air filter 27 according to arrow 9.
- Figure 4 shows an arrangement similar to that of Figure 3, but with a flatter cross-sectional shape of the housing 28 and the filter element 3.
- the reference numerals correspond to those of Figure 3 match.
- FIG. 5 shows a variant embodiment of Figure 3, in which a Rohluftö réelle 32 is disposed at the lower end of the front housing wall 30 directly above the lower housing wall 29.
- a Rohluftö réelle 32 is disposed at the lower end of the front housing wall 30 directly above the lower housing wall 29.
- the reference numerals for the same parts with those of Figure 3 match.
- the filter element 3 consists for example of a natural or synthetic filter material having embossing and bending lines as a filter web.
- the filter web is rolled up into a tube, folds being distributed along the embossing and bending lines distributed over the circumference. These wrinkles have obliquely and / or orthogonally extending fold edges with respect to the filter longitudinal axis.
- an arcuate laying of the filter element is possible.
- the advantage of this solution is also The fact that the housing can be adapted to the existing space and also curved designs are possible as the filter element itself.
- the unfiltered air opening 7 extends over the entire length of the inflow side 6 of the housing 2, so that the filter element 3 can be at least approximately radially flowed over the entire length.
- the housing may be designed in a so-called hybrid construction, wherein the housing z. T. consists of sufficient for the operation of the filter, stable foam.
- the relevant part of the housing and the filter element are compliant, so that the risk of injury in a collision of a person on the hood, for example, a collision with a pedestrian, is reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008014211U DE202008014211U1 (en) | 2008-10-24 | 2008-10-24 | Air filter for the air supplied to an internal combustion engine in a motor vehicle |
PCT/EP2009/064046 WO2010046497A1 (en) | 2008-10-24 | 2009-10-26 | Air filter for air fed to an internal combustion engine in a motor vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2337941A1 true EP2337941A1 (en) | 2011-06-29 |
EP2337941B1 EP2337941B1 (en) | 2015-01-14 |
Family
ID=41531903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09740329.9A Not-in-force EP2337941B1 (en) | 2008-10-24 | 2009-10-26 | Air filter for air fed to an internal combustion engine in a motor vehicle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2337941B1 (en) |
DE (1) | DE202008014211U1 (en) |
WO (1) | WO2010046497A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ2010641A3 (en) * | 2010-08-26 | 2012-03-07 | ŠKODA AUTO a.s. | Cyclone separator with horizontal axis of cyclone |
DE102012106218A1 (en) * | 2012-07-11 | 2014-01-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air filter for supplying filtered air to combustion engine, has air filter element, fresh air inlet and filtered air outlet arranged in air filter housing, where air filter element in air filter housing separates inner area from outer area |
DE102012106219A1 (en) * | 2012-07-11 | 2014-01-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air filter for use with heat exchanger in front region of motor vehicle, has filter elements which are fitted parallely between clean-air regions and unclean air regions |
DE102012112653A1 (en) * | 2012-12-19 | 2014-06-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air filter for internal combustion engine in motor vehicle, has filter insert that is designed with cylindrical-shaped or oval-shaped filter element, such that filter element is fixedly connected with two clean-air ports |
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 |
CN116255283A (en) * | 2023-02-23 | 2023-06-13 | 中国第一汽车股份有限公司 | Air filter, air inlet system and vehicle |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3717323C1 (en) * | 1987-05-22 | 1988-06-23 | Mtu Friedrichshafen Gmbh | Filter device |
DE4306397B4 (en) * | 1992-03-14 | 2004-07-29 | Volkswagen Ag | Silencer for a flowing gaseous medium, in particular combustion air of an internal combustion engine |
US5275636A (en) * | 1992-06-04 | 1994-01-04 | Vortox Company | Air cleaner for internal combustion engine |
DE19507354B4 (en) * | 1995-03-03 | 2009-12-10 | Continental Automotive Gmbh | Suction module for a gasoline engine |
WO2000023696A1 (en) | 1998-10-22 | 2000-04-27 | Mccord Winn Textron Inc. | Fan shroud and air intake arrangement |
DE10240473A1 (en) * | 2002-09-03 | 2004-03-11 | Dr.Ing.H.C. F. Porsche Ag | Air intake system for internal combustion engine has filter element cavity bounded by two endface apertures, one monitored by closing element |
US6790251B1 (en) * | 2003-01-30 | 2004-09-14 | Stephen H. Brady, Jr. | Skull-shaped air filter housing |
DE102004002293A1 (en) | 2004-01-16 | 2005-07-14 | Audi Ag | Air filter used as dry air filter for vehicle engine comprises pure air line leading from pure air chamber through opening of filter element and through crude air chamber to air outlet |
MXPA06011196A (en) * | 2004-03-31 | 2007-04-24 | Mann & Hummel Gmbh | Suction filter for an internal combustion engine of a motor vehicle. |
DE602004017698D1 (en) * | 2004-04-15 | 2008-12-24 | Kwang Yang Motor Co | Air filter for internal combustion engines |
US7237635B2 (en) * | 2004-07-12 | 2007-07-03 | Honda Motor Co., Ltd. | Automobile over-bulkhead air intake system |
DE202006015783U1 (en) * | 2006-10-12 | 2008-02-14 | Mann + Hummel Gmbh | Filter device, in particular for the filtration of combustion air in internal combustion engines |
DE102007034518A1 (en) * | 2007-07-24 | 2009-01-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air filter for an air suction system of a multi-cylinder internal combustion engine |
-
2008
- 2008-10-24 DE DE202008014211U patent/DE202008014211U1/en not_active Expired - Lifetime
-
2009
- 2009-10-26 WO PCT/EP2009/064046 patent/WO2010046497A1/en active Application Filing
- 2009-10-26 EP EP09740329.9A patent/EP2337941B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2010046497A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE202008014211U1 (en) | 2010-03-11 |
EP2337941B1 (en) | 2015-01-14 |
WO2010046497A1 (en) | 2010-04-29 |
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