EP2513465A1 - Ansaugvorrichtung einer brennkraftmaschine - Google Patents
Ansaugvorrichtung einer brennkraftmaschineInfo
- Publication number
- EP2513465A1 EP2513465A1 EP10798045A EP10798045A EP2513465A1 EP 2513465 A1 EP2513465 A1 EP 2513465A1 EP 10798045 A EP10798045 A EP 10798045A EP 10798045 A EP10798045 A EP 10798045A EP 2513465 A1 EP2513465 A1 EP 2513465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intake line
- intake
- primary
- internal combustion
- combustion engine
- 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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
-
- 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
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10013—Means upstream of the air filter; Connection to the ambient air
-
- 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
- F02M35/104—Intake manifolds
- F02M35/108—Intake manifolds with primary and secondary intake passages
-
- 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
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- 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
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- 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
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
-
- 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
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/08—Thermoplastics
Definitions
- the invention relates to a suction device of an internal combustion engine, in particular of a motor vehicle having a Primäräaugaugtechnisch and a Sekundäransaugtechnisch for sucking combustion air.
- an intake device for an internal combustion engine of a motor vehicle with a primary intake pipe and a secondary intake pipe is known.
- An intake point of the primary intake line for sucking in outside air is located on the outside of the motor vehicle.
- An intake of the secondary intake is arranged in the engine compartment.
- a changeover valve is provided. In order to prevent ingress of water via the primary intake line, the changeover valve is actuated during off-road operation. Thus, either the primary intake pipe or the secondary intake pipe is opened to suck combustion air.
- the invention has the object of providing a suction device of the type mentioned in such a way that the operation of the internal combustion engine is easily and reliably ensured even with a closure of the primary intake.
- the primary intake line opens into a primary intake chamber of an air filter housing
- the secondary intake line opens into a secondary intake chamber of the air filter housing and the secondary intake line in comparison to the primary intake line.
- Suction line is designed in shape and / or size so that in normal operation of the internal combustion engine, the transmission capacity of the secondary intake is so low in relation to the transmission capacity of the primary intake manifold that the secondary combustion air sucked in via the secondary intake manifold has a negligible influence on the power of the internal combustion engine , and that in the case of closure of the primary suction line, the transmission capacity of the secondary suction line is sufficient to supply the internal combustion engine with a minimum combustion air mass flow necessary for operation.
- the secondary intake pipe is designed such that it is used in the closing of the primary intake pipe, in particular in snow throw, as a bypass pipe for sucking secondary combustion air, without a separate switching valve is required.
- the elimination of a changeover valve has a positive effect on the cost, wear and reliability of the aspirator.
- the location for a Sekundäransaugstelle the Sekundäransaug effet can be chosen essentially free.
- the Sekundäransaugstelle must either be placed directly on an air filter housing or additional structural measures are required, in particular, additional lines must be laid.
- both the primary intake line and the secondary intake line are open for intake of combustion air, so that the properties, in particular temperature and / or humidity, of the total combustion air supplied to the internal combustion engine are determined by the mixture of the primary combustion air from the primary intake line and the secondary combustion air from the secondary intake line become. Due to the different design of the primary intake and the secondary intake in shape and / or size of the relevant proportion of the total combustion air is drawn in via the primary intake in normal operation. The characteristics of the total combustion air supplied to the internal combustion engine is then determined by the primary combustion air. The influence of the relatively low mass air flow of the secondary combustion air is at negligible.
- the primary intake line is configured to supply the internal combustion engine with primary combustion air having properties that are optimal for a combustion process and thus the power delivery of the internal combustion engine.
- the secondary intake line supplies secondary combustion air with properties which, although not optimal for combustion, are sufficient for maintaining the operation of the internal combustion engine when the primary intake line is closed.
- the primary intake line and the secondary intake line open into the filter housing on the unfiltered air side of a filter element. With the filter element, the filtration of the intake combustion air takes place. Characterized in that the secondary intake opens into a secondary inlet chamber of the air filter housing, the properties of the Brennkraftmasch ine provided Intelverbren- tion air optimized in normal operation and also in the case of closure of the primary intake with respect to the combustion.
- the subdivision of the raw air area into a primary inlet chamber and a secondary inlet chamber prevents snow, ice or dirt from reaching the area of the secondary air intake and blocking the filter element. Due to the adapted embodiments of the secondary suction compared to the Primäräaugaug réelle in connection with the primary inlet chamber and the Sekundäreinlasshunt can also be reduced via the Sekundärransaug réelle a negative pressure in the air filter housing, which may occur in particular by snow, ice and / or dirt when closing the Primärransaug effet. Thus, it can be prevented that the snow, the ice or dirt from the primary intake pipe is sucked into the air filter housing and the filter element is dirty or damaged.
- a Sekundäransaugstelle the Sekundärransaugtechnisch from external influences, which can lead to the closure of the Sekundärransaug admir, in particular snow, water and / or dirt, be arranged protected.
- the Sekundäransaugstelle can be arranged in particular in an engine compartment, which is already protected.
- the Sekundäransaugstelle can be arranged at a location where the secondary combustion air sucked in there has a temperature greater than 0 ° C, in particular about 80 ° C, which is sufficient to load the Sekundäransaugtechnisch with snow and / or ice prevent. Particularly in the engine compartment, such temperatures prevail during operation of the internal combustion engine.
- the shape and / or size, in particular the length and / or the cross-section, the secondary suction be set so that in normal operation, a secondary pressure loss in the Sekundäransaugtechnisch compared to a total pressure drop in the intake is so large that a Suction of secondary combustion air via the secondary intake is almost prevented.
- the pressure losses can be easily determined and used to specify the shape and / or size of Sekundärransaug effet.
- Figure 1 shows schematically a suction device with an air filter a
- Internal combustion engine of a motor vehicle having a primary intake pipe and a secondary intake pipe;
- FIG. 2 shows a schematic diagram of a total pressure loss in the intake device from FIG. 1, a secondary pressure loss in the secondary intake line and a secondary air mass flow through the secondary intake line as a function of a total air mass flow through the intake device when the primary intake line is open;
- FIG. 3 is a schematic diagram of a temperature change in FIG.
- Figure 4 schematically shows a diagram of the total pressure loss as a function of the total air mass flow through the intake device of Figure 1 with closed primary intake.
- FIG. 1 shows an intake device 10 for combustion air of an otherwise not shown internal combustion engine of a motor vehicle.
- the combustion of the internal combustion engine supplied combustion air is referred to below the better distinction as the total combustion air.
- the suction device 10 comprises an air filter 12 with an air filter housing 14, in which a filter element 16 is arranged for filtering the total combustion air.
- the filter element 16 comprises a filter medium of an anisotropic, porous material.
- the filter element 16 separates a primary inlet chamber 18 on the unfiltered air side of the filter element 16 tightly from an outlet chamber 20 on the clean air side.
- the primary inlet chamber 18 directly adjoins the filter element 16.
- the suction device 10 includes a primary suction line 24 for sucking primary combustion air and a secondary suction line 26 for sucking secondary combustion air.
- a primary intake 28 of the primary intake 24 is located outside of the vehicle, so that cool fresh air can be sucked as possible. With the fresh primary combustion air an optimal power delivery of the internal combustion engine is achieved.
- the primary intake line 24 opens directly into the primary inlet chamber 18.
- a secondary intake 30 of the secondary intake line 26 is protected from external influences which cause the secondary intake line 26 to close. Ren, especially snow, water and / or dirt, protected in the engine compartment. In the engine compartment, temperatures of more than 0 ° C prevail during operation of the internal combustion engine, even in cold regions. At the secondary intake 30, the secondary combustion air is drawn in at a temperature of, for example, about 80 ° C. The sucked hot air prevents loading of the secondary intake pipe 26 with snow and ice.
- the Sekundärransaug Arthur 26 opens into a secondary inlet chamber 32 of the air filter housing 14, which is separated from the primary inlet chamber 18.
- the secondary inlet chamber 32 adjoins the raw side of the filter element 16 directly to this.
- the warm secondary combustion air from the Sekundärransaug effet 26 first passes into the Sekundäreinlasshunt 32. It is sucked from there through the filter element 16 and filtered and enters the outlet chamber 20, from where it is supplied via the clean air line 22 of the internal combustion engine.
- the Sekundärransaug réelle 26 has a substantially smaller cross-section than the Primäräransaug réelle 24, so that in normal operation of the internal combustion engine, the transmissivity of the Sekundärransaug réelle 26 in relation to the transmittance of the Primäräransaug réelle 24 is so low that the sucked via the Sekundärransaug réelle 26 warm secondary combustion air a negligible influence on the power delivery of the internal combustion engine has. It is explained in more detail below in conjunction with FIG. 3 that during normal operation, the heating of the total combustion air supplied to the internal combustion engine by the secondary combustion air is negligibly small.
- the shape and size of the Sekundärransaug réelle 26 is dependent on the operating characteristics of the internal combustion engine, in particular their performance characteristics and the need for total combustion, given.
- the length and the cross-section of the secondary intake line 26 are matched to each other and to the permeability of the primary intake line 24 so that in normal operation, as shown schematically in Figure 2, a secondary pressure loss dpsek in the secondary intake 26 compared to a total pressure loss dptot in the suction device 10 is so large that an intake of combustion air via the Sekundärransaug effet 26 is almost prevented.
- the dimensions of the secondary intake manifold 26 are selected to be less than the primary intake manifold 24 such that in the event of occlusion of the primary intake manifold 24, for example, snowfall, the transmittance of the secondary intake manifold 26 is sufficient to provide the internal combustion engines with minimum burnup required to operate. supply air mass flow.
- a negative pressure in the air filter housing 14 can be reduced via the secondary intake line 26, which can arise in particular during closure of the primary intake line 24 by snow, ice and / or dirt.
- the secondary intake line 26 can arise in particular during closure of the primary intake line 24 by snow, ice and / or dirt.
- the diagram in Figure 2 shows an example with open primary intake 24 the total pressure loss dptot (middle curve) and the secondary pressure loss dpsek (lower curve) in response to a total air mass flow m * dead by the intake 10 in different partial load ranges of the engine.
- the pressure losses dptot and dpsek are plotted in FIG. 2 on the left-hand vertical ordinate axis in millibar (mbar).
- the total air mass flow m * tot which is between about 80 kg / h and 760 kg / h in the arrangement used by way of example, is plotted on the horizontal axis of abscissa in kilograms per hour (kg / h).
- the pressure losses dptot and dpsek increase progressively with increasing total air mass flow m * tot.
- the total pressure loss dptot assumes values between just over 0 mbar and about 15 mbar.
- the secondary pressure loss dpsek assumes values between just over 0 mbar and about 3 mbar.
- FIG. 2 shows that, for example, with a total air mass flow m * tot of about 760 kg / h, a secondary air mass flow m * sec of only about 25 kg / h is drawn through the secondary intake line 26.
- the proportion of the secondary air mass flow m * sec is about one-thirtieth of the total air mass flow m * tot.
- the diagram of FIG. 3 shows by way of example when the primary intake line 24 is open a temperature change dT (upper curve) of the total combustion air and the secondary air mass flow m * sec (lower curve) as a function of the total air mass flow m * tot in FIG shown in Figure 2 partial load ranges of the internal combustion engine.
- the temperature change dT is plotted in FIG. 3 on the left-hand vertical ordinate axis in Kelvin (K).
- the secondary air mass flow m * sec is plotted on the right vertical ordinate axis in kg / h.
- the total air mass flow m * tot in kg / h is plotted on the horizontal axis of abscissa.
- the temperature of the secondary combustion air is about 80 ° C.
- the temperature of the primary combustion air is about 20 ° C. It can be seen from the diagram that the temperature change dT assumes values between about 1.15 K and about 1.75 K. Under other conditions, for example, if the secondary combustion air has a temperature of less than 80 ° C, temperature changes dT of the total combustion air of less than 1, 15 K can be achieved.
- the diagram of Figure 4 shows an example of a total pressure loss dptot * as a function of the total air mass flow m * dead with closed primary intake 24.
- the total pressure loss dptot * is plotted in Figure 4 on the left vertical axis of ordinate in mbar.
- the total air mass flow m * tot is plotted on the horizontal axis of abscissa in kg / h.
- the total pressure loss dptot * increases progressively with increasing total air mass flow m * dead.
- the total pressure loss dptot * is about 78.3 mbar. It has been found that in the described embodiment, a total pressure loss dptot * of up to 250 mbar can be realized without the internal combustion engine "dying off".
- the invention is not limited to an intake device 10 of internal combustion engines of motor vehicles. Rather, it can also be used in other types of internal combustion engines, for example in industrial engines.
- Sekundäransaug Appendix 26 may be configured to realize the function of the invention in a different manner in shape and / or in size different from the primary intake 24.
- the secondary intake chamber 32 can also be dispensed with.
- the secondary intake passage 26 may then lead into the primary intake chamber 18.
- the filter medium of the filter element 16 can be made of a different material suitable for air filtration.
- the temperature of the secondary combustion air may also be less than or greater than 80 ° C.
- the primary combustion air may also be significantly warmer or colder than 20 ° C.
- the proportion of secondary air mass flow m * sec with open primary intake 24 may also be more or less than one-thirtieth of the total air mass flow m * tot.
- the total air mass flow m * tot can also be less than 80 kg / h or more than 760 kg / h.
- the values for the total pressure loss dptot, the secondary pressure loss dpsek and the secondary air mass flow m * sec can also be larger or smaller, for example, depending on the type of internal combustion engine and / or the ambient conditions and / or the configuration of the intake device 10.
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)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009058161A DE102009058161A1 (de) | 2009-12-15 | 2009-12-15 | Ansaugvorrichtung einer Brennkraftmaschine |
| PCT/EP2010/069752 WO2011083001A1 (de) | 2009-12-15 | 2010-12-15 | Ansaugvorrichtung einer brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2513465A1 true EP2513465A1 (de) | 2012-10-24 |
| EP2513465B1 EP2513465B1 (de) | 2014-07-30 |
Family
ID=43795117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10798045.0A Active EP2513465B1 (de) | 2009-12-15 | 2010-12-15 | Ansaugvorrichtung einer brennkraftmaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8863717B2 (de) |
| EP (1) | EP2513465B1 (de) |
| DE (1) | DE102009058161A1 (de) |
| WO (1) | WO2011083001A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758692B (zh) * | 2012-08-13 | 2015-04-01 | 庄景阳 | 触发信号改变进气流量的控制装置 |
| DE102013215001A1 (de) * | 2013-07-31 | 2015-02-05 | Bayerische Motoren Werke Aktiengesellschaft | Luftfiltergehäuse für eine Brennkraftmaschine |
| CN103967661B (zh) * | 2014-05-26 | 2016-01-27 | 安庆市向科爆破工程技术有限公司 | 潜孔钻机双路进气道 |
| DE102017011876A1 (de) * | 2017-01-30 | 2018-08-02 | Mann+Hummel Gmbh | Luftfilter mit integriertem Schneeschutz und Filterelement |
| DE102019112912A1 (de) * | 2019-05-16 | 2020-11-19 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Luftfilter für ein Kraftfahrzeug, entsprechendes Kraftfahrzeug und Verfahren zu dessen Umrüstung |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195484A (en) * | 1991-10-24 | 1993-03-23 | General Motors Corporation | Air cleaner and snorkel assembly |
| DE9307147U1 (de) * | 1993-05-11 | 1993-07-08 | Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg | Luftfilter für Brennkraftmaschinen |
| DE4408097A1 (de) * | 1994-03-10 | 1995-09-14 | Bayerische Motoren Werke Ag | Luftansaugsystem für eine in einem Kraftfahrzeug eingebaute Brennkraftmaschine |
| DE19538605A1 (de) * | 1995-10-18 | 1997-04-24 | Mann & Hummel Filter | Luftansaugsystem |
| DE19604353A1 (de) * | 1996-02-07 | 1997-10-23 | Bayerische Motoren Werke Ag | Ansaugluftführung für eine Brennkraftmaschine eines Kraftfahrzeuges |
| DE19926135A1 (de) * | 1999-06-09 | 2000-12-14 | Volkswagen Ag | Luftansauganlage für eine Brennkraftmaschine |
| DE19950703A1 (de) * | 1999-10-21 | 2001-04-26 | Volkswagen Ag | Vorrichtung zur Vermeidung des Wassereintritts in ein Luftfiltergehäuse einer Brennkraftmaschine |
| DE19951408A1 (de) * | 1999-10-26 | 2001-05-03 | Mann & Hummel Filter | Ansaugsystem mit Luftfilter |
| DE102004036083B4 (de) * | 2004-07-24 | 2016-05-25 | Audi Ag | Ansaugvorrichtung |
| US7393372B2 (en) * | 2005-02-03 | 2008-07-01 | Visteon Global Technologies, Inc. | Air cleaner for an air induction assembly having primary and secondary inlets |
| DE102006005514B4 (de) * | 2006-02-02 | 2018-05-09 | Hanon Systems | Luftfilter für eine Luftansaugbaugruppe mit primären und sekundären Einlässen |
| DE102006016433B4 (de) | 2006-04-07 | 2007-12-20 | Dr.Ing.H.C. F. Porsche Ag | Sauganlage mit Vorrichtung zur Vermeidung eines Wassereintritts |
| JP4760744B2 (ja) * | 2007-03-23 | 2011-08-31 | トヨタ自動車株式会社 | エアクリーナ |
| DE102008036913B3 (de) * | 2008-08-01 | 2009-11-26 | Joma-Polytec Kunststofftechnik Gmbh | Luftfiltersystem |
| US8043395B2 (en) * | 2009-01-28 | 2011-10-25 | Mann + Hummel Gmbh | Air cleaner convertible for secondary air induction |
-
2009
- 2009-12-15 DE DE102009058161A patent/DE102009058161A1/de not_active Withdrawn
-
2010
- 2010-12-15 EP EP10798045.0A patent/EP2513465B1/de active Active
- 2010-12-15 WO PCT/EP2010/069752 patent/WO2011083001A1/de not_active Ceased
-
2012
- 2012-06-15 US US13/524,051 patent/US8863717B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011083001A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2513465B1 (de) | 2014-07-30 |
| US8863717B2 (en) | 2014-10-21 |
| WO2011083001A1 (de) | 2011-07-14 |
| DE102009058161A1 (de) | 2011-06-16 |
| US20120247416A1 (en) | 2012-10-04 |
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