EP1066462A1 - Luftfilter für eine brennkraftmaschine - Google Patents
Luftfilter für eine brennkraftmaschineInfo
- Publication number
- EP1066462A1 EP1066462A1 EP99913178A EP99913178A EP1066462A1 EP 1066462 A1 EP1066462 A1 EP 1066462A1 EP 99913178 A EP99913178 A EP 99913178A EP 99913178 A EP99913178 A EP 99913178A EP 1066462 A1 EP1066462 A1 EP 1066462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- flap
- air inlet
- snow
- air 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
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
Definitions
- the invention relates to an air filter for an internal combustion engine according to the preamble of claim 1.
- the inlet on the raw air side is usually arranged in an area into which cold air can flow in unhindered.
- the air intake is therefore normally behind the radiator grille of the vehicle or in the area of a fender. It has been shown that in particularly cold countries when driving, which are affected by heavy snow or snow swirls, snow is sucked in with the untreated air and this snow accumulates on the filter insert and may clog the filter insert. This leads to a standstill of the engine.
- G 93 07 147.7 it is therefore proposed in G 93 07 147.7 to provide an air filter for an internal combustion engine in which the raw air inlet is provided with a sieve. Furthermore, a second raw air inlet is provided, which has a flap, this flap opening depending on the negative pressure prevailing in the filter housing. This means that snow does not penetrate through the sieve and - if the sieve is clogged with snow - the second flap opens and snow-free raw air can be sucked in as a result.
- the sieve effectively prevents snow from entering. However, this also results in a loss of performance, since a certain proportion of the raw air inlet is reduced in cross section by the sieve structure. An attempt was therefore made to enlarge the mesh size of the sieve. However, this leads to flying snow can penetrate and the disadvantages described above such as clogging of the filter insert occur.
- the invention is therefore based on the object of providing an air filter for an internal combustion engine which ensures optimum snow separation and, moreover, does not reduce the cross-sectional area of the unfiltered air inlet, or reduces it only insignificantly.
- the northern part of the invention lies in the fact that the sieve or the closed flap closing the unfiltered air inlet opens or closes depending on the unfiltered air temperature.
- the movement sequence can be controlled, for example, using a wax thermostat.
- the full cross-section of the raw air opening is thus available at a temperature above a certain value.
- the internal combustion engine can develop its maximum output. Below the limit temperature, i.e. H. for example at a temperature of less than + 2 ° C, the sieve or flap closes the raw air inlet and thus prevents snow from entering.
- the further raw air inlet with a weight or spring-loaded flap.
- the closing force is dimensioned such that the flap only opens when there is a negative pressure which arises when the sieve is closed with snow or the flap has closed the raw air opening due to the temperature.
- Another embodiment of the invention provides for the further raw air inlet to be arranged in the region of a snow-free zone of the engine compartment. This can be behind the air cooler, for example. It is also possible to arrange this raw air inlet in the area of the exhaust manifold in order to draw in heated air.
- Various adjusting elements can be provided to open the dirty air inlet provided with the sieve or the flap. It is possible to sense the negative pressure in the unfiltered air area of the air filter and to generate an actuating signal which activates an actuator depending on the sensed negative pressure.
- a simple expansion thermostat which, from a certain temperature, swivels the screen or the flap into the corresponding position. Further possibilities for pivoting the screen or the flap are magnetic drive means or electrical drive means.
- FIG. 1 shows an air filter with an anti-snow system
- FIG. 2 shows a variant of an air filter
- FIG. 3 shows a diagram of the volume flow of an internal combustion engine
- An air filter according to FIG. 1 has an air filter housing 10.
- An air filter insert 11 is arranged in this, which consists for example of a zigzag folded filter paper, which is provided with a circumferential seal 12 and is arranged with this in a receptacle of the filter housing 10.
- the filter insert 11 separates a clean air space 13 from an unfiltered air space 14.
- the clean air space 13 is provided with a connecting piece 15. Via this connecting piece 15, the cleaned air flows to an internal combustion engine, not shown here.
- Within the unfiltered air space 14 there is a first intake pipe 16 through which the cold air is fed to the filter device.
- the intake pipe 16 is at its open end facing the unfiltered air space with a
- This sieve basket 17 has a sieve with a mesh size correspondingly determined by experiments and serves to effectively intercept snow or ice crystals. If this screen basket is loaded with a large amount of snow, it will inevitably become clogged. A suction of air is therefore no longer possible via this suction pipe 16. Sucking in is also not possible if the sieve swivel basket is designed with a closed flap.
- a further intake pipe 18 is therefore provided.
- the inlet of this intake pipe is located at a location within the engine compartment of a vehicle that is free of snow. This can be, for example, in the area of the exhaust manifold or immediately behind the radiator housing, whereby it should be noted in the case of the arrangement behind the radiator housing that this inlet surface is perpendicular to the radiator surface or that the inlet mouth is located behind the engine in the direction of travel.
- This further intake pipe is closed at its inner opening facing the unfiltered air space with a flap 19.
- the flap 19 can be both spring-loaded and weight-loaded. In the illustration shown here, this flap is designed as a weight-loaded flap and is rotatably mounted on the hinge 21. In the case of a spring-loaded flap, the spring is located in the hinge 21.
- the intake effect of the internal combustion engine creates a negative pressure in the intake pipe on the clean air side, which continues on the unfiltered air side or the unfiltered air space 14.
- This negative pressure causes the flap 19 to open, so that combustion air can now flow in via the further intake pipe 18. If this combustion air is warmed, this heating causes the snow accumulated in the sieve basket to be defrosted and thus the suction pipe 16 to become free, so that fresh air can then be sucked in again via the suction pipe 16.
- the vacuum in the unfiltered air space thus drops and the flap 19 closes again.
- the weight of the flap or the spring force in a spring-loaded flap is chosen so that the negative pressure required to open the flap does not rise above a certain permissible value. If the temperature of the sucked-in untreated air rises above a value at which the ingress of snow is unlikely, for example 4 ° C., a wax thermostat 22 opens the strainer basket 17 or the flap. The strainer basket 17 or the flap is fastened to the suction pipe 16 with a hinge 23. From this limit temperature, the full passage cross-section is available for the intake air or the raw air, so that there is no fear of a loss in performance of the internal combustion engine. Only from a temperature below the limit temperature does the wax thermostat 22 close the suction pipe 16 with the strainer basket 17 or the flap and thus effectively prevent snow from penetrating.
- FIG. 2 shows a variant of an air filter with an anti-snow system.
- Only the intake tract 24 of an air filter for an internal combustion engine is shown here.
- this intake tract there is a screen disk 25 or flap, which can also be operated by a wax thermostat 22.
- Below a limit temperature of, for example, 2 ° C. the screen disk 25 or the flap is in the position shown here, i. H. if snow enters through the opening 26, this is intercepted by the screen disk 25.
- an opening 18 ' i. H. the further intake pipe is opened so that snow-free air can flow in.
- the sieve disc moves into the position shown in dashed lines via the wax thermostat 22 and closes the further suction pipe 18 and releases the full passage cross section for the untreated air.
- FIG. 3 shows the different volume flows that occur in particular in the case of a device according to FIG. 1.
- the volume flow VI ' is the raw air volume flow for a flap, the volume flow VI for a screen basket 17 via the intake pipe 16. Above a limit temperature of 2 ° C, the full cross-sectional area VI' is available, below this limit temperature the screen basket or the flap closes the intake pipe 16 and thus reduces the maximum volume flow.
- the flap 19 opens when the negative pressure in the unfiltered air region 14 of the air filter rises, so that an additional volume flow V2 can flow into the unfiltered air region.
- the internal combustion engine is thus sufficient intake air available in every operating state, so that it can achieve its maximum output both at higher temperatures and at lower temperatures.
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19812566A DE19812566A1 (de) | 1998-03-21 | 1998-03-21 | Luftfilter für eine Brennkraftmaschine |
DE19812566 | 1998-03-21 | ||
PCT/EP1999/001116 WO1999049205A1 (de) | 1998-03-21 | 1999-02-20 | Luftfilter für eine brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1066462A1 true EP1066462A1 (de) | 2001-01-10 |
EP1066462B1 EP1066462B1 (de) | 2002-01-16 |
Family
ID=7861887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99913178A Expired - Lifetime EP1066462B1 (de) | 1998-03-21 | 1999-02-20 | Luftfilter für eine brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6423108B1 (de) |
EP (1) | EP1066462B1 (de) |
JP (1) | JP2002507693A (de) |
DE (2) | DE19812566A1 (de) |
WO (1) | WO1999049205A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6773478B1 (en) * | 2002-04-03 | 2004-08-10 | Fleetguard, Inc. | Gravity-induced ash removal system for particulate filters |
US6736871B1 (en) | 2002-12-09 | 2004-05-18 | Visteon Global Technologies, Inc. | Integrated filter screen and hydrocarbon adsorber |
DE10332453B4 (de) * | 2003-07-17 | 2013-10-31 | Bayerische Motoren Werke Aktiengesellschaft | Luftfiltergehäuse für eine Brennkraftmaschine |
DE10350521A1 (de) * | 2003-10-29 | 2005-06-02 | Audi Ag | Vorrichtung zur Abgasrückführung an Verbrennungskraftmaschinen |
JP2005233098A (ja) * | 2004-02-20 | 2005-09-02 | Yamaha Motor Co Ltd | 車両における吸気装置 |
US7069893B2 (en) * | 2004-06-14 | 2006-07-04 | Ford Motor Company | Air intake system |
US7393372B2 (en) * | 2005-02-03 | 2008-07-01 | Visteon Global Technologies, Inc. | Air cleaner for an air induction assembly having primary and secondary inlets |
JP4333747B2 (ja) | 2007-01-29 | 2009-09-16 | トヨタ自動車株式会社 | 車両用内燃機関の吸気装置 |
JP4760744B2 (ja) * | 2007-03-23 | 2011-08-31 | トヨタ自動車株式会社 | エアクリーナ |
US7484491B2 (en) * | 2007-07-03 | 2009-02-03 | Visteon Global Technologies, Inc. | Air induction system with resonator bypass valve |
DE102007059774B4 (de) * | 2007-12-12 | 2017-01-19 | Audi Ag | Verstelleinrichtung innerhalb eines Ansaugtraktes einer Brennkraftmaschine |
DE102009018704A1 (de) * | 2009-04-23 | 2010-10-28 | Volkswagen Ag | Verfahren und Vorrichtung zur Bestimmung eines Verschmutzungsgrades eines Luftfilters eines Antriebsmotors eines Fahrzeugs |
KR101271931B1 (ko) | 2011-10-31 | 2013-06-05 | 쌍용자동차 주식회사 | 자동차용 에어클리너 |
JP6021555B2 (ja) * | 2012-09-27 | 2016-11-09 | 富士重工業株式会社 | 内燃機関の吸気装置 |
JP6021554B2 (ja) * | 2012-09-27 | 2016-11-09 | 富士重工業株式会社 | 内燃機関の吸気装置 |
JP5988034B2 (ja) * | 2012-12-17 | 2016-09-07 | スズキ株式会社 | エンジンの吸気装置 |
CN103967661B (zh) * | 2014-05-26 | 2016-01-27 | 安庆市向科***工程技术有限公司 | 潜孔钻机双路进气道 |
US9677514B2 (en) * | 2014-09-08 | 2017-06-13 | GM Global Technology Operations LLC | Air induction system |
DE102014218590A1 (de) | 2014-09-16 | 2016-03-17 | Volkswagen Aktiengesellschaft | Ansaugkasten, Brennkraftmaschine und Kraftfahrzeug |
CN104314717B (zh) * | 2014-09-29 | 2017-05-03 | 日立汽车***(苏州)有限公司 | 空气滤清器及空滤加热控制方法 |
CN105370457A (zh) * | 2015-10-20 | 2016-03-02 | 增城市奔马实业有限公司 | 一种双侧进气的摩托车空气滤清器 |
DE102017011876A1 (de) * | 2017-01-30 | 2018-08-02 | Mann+Hummel Gmbh | Luftfilter mit integriertem Schneeschutz und Filterelement |
US10465640B1 (en) * | 2017-10-31 | 2019-11-05 | Supertrap Industries, Inc | Active cold air intake system |
US11242828B2 (en) | 2019-11-15 | 2022-02-08 | Reinhold E. Kober | Snow bike intake |
US11479111B2 (en) * | 2020-10-30 | 2022-10-25 | International Engine Intellectual Property Company, Llc | Snow door integrated in adapter |
CN114687871B (zh) * | 2020-12-31 | 2023-04-18 | 长城汽车股份有限公司 | 一种调节进气模式的方法及装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2017983C3 (de) * | 1970-04-15 | 1973-11-29 | Fa. Gustav Wahler, 7300 Esslingen | Vorrichtung zur Regelung der Temperatur der Ansaugluft fur Brenn 'kraftmaschinen |
DE2709004C3 (de) * | 1977-03-02 | 1980-05-29 | Adam Opel Ag, 6090 Ruesselsheim | Vorrichtung zur Temperaturregelung der angesaugten Verbrennungsluft für Vergasermotoren |
JPS57108453A (en) * | 1980-12-26 | 1982-07-06 | Hino Motors Ltd | Air cleaner for internal combustion engine |
DE3736777C1 (en) * | 1987-10-30 | 1988-12-15 | Daimler Benz Ag | Device for avoiding the ingress of water into an air filter housing |
DE8715030U1 (de) * | 1987-11-12 | 1988-01-21 | Audi AG, 8070 Ingolstadt | Kraftfahrzeug |
US4969939A (en) * | 1989-10-02 | 1990-11-13 | Allied-Signal Inc. | Heavy duty air filter with integral snow valve |
JP3156085B2 (ja) * | 1991-01-16 | 2001-04-16 | ヤマハ発動機株式会社 | スノーモビルのエンジン吸気装置 |
DE9307147U1 (de) * | 1993-05-11 | 1993-07-08 | Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg | Luftfilter für Brennkraftmaschinen |
JP2595842Y2 (ja) * | 1993-10-06 | 1999-06-02 | 株式会社共立 | 内燃機関の空気吸入装置 |
DE19545978A1 (de) * | 1995-12-09 | 1997-06-12 | Knecht Filterwerke Gmbh | Luftansaugfilter-Einrichtung für einen Kraftfahrzeugmotor |
DE19737545A1 (de) * | 1997-08-28 | 1999-03-04 | Bosch Gmbh Robert | Ansaugeinrichtung, insbesondere für Brennkraftmaschinen in Kraftfahrzeugen |
-
1998
- 1998-03-21 DE DE19812566A patent/DE19812566A1/de not_active Withdrawn
-
1999
- 1999-02-20 JP JP2000538145A patent/JP2002507693A/ja not_active Withdrawn
- 1999-02-20 US US09/646,708 patent/US6423108B1/en not_active Expired - Fee Related
- 1999-02-20 EP EP99913178A patent/EP1066462B1/de not_active Expired - Lifetime
- 1999-02-20 DE DE59900633T patent/DE59900633D1/de not_active Expired - Fee Related
- 1999-02-20 WO PCT/EP1999/001116 patent/WO1999049205A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9949205A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6423108B1 (en) | 2002-07-23 |
DE19812566A1 (de) | 1999-09-23 |
EP1066462B1 (de) | 2002-01-16 |
WO1999049205A1 (de) | 1999-09-30 |
JP2002507693A (ja) | 2002-03-12 |
DE59900633D1 (de) | 2002-02-21 |
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