DE102017203268A1 - Device for separating particles from a gas stream for an internal combustion engine - Google Patents
Device for separating particles from a gas stream for an internal combustion engine Download PDFInfo
- Publication number
- DE102017203268A1 DE102017203268A1 DE102017203268.5A DE102017203268A DE102017203268A1 DE 102017203268 A1 DE102017203268 A1 DE 102017203268A1 DE 102017203268 A DE102017203268 A DE 102017203268A DE 102017203268 A1 DE102017203268 A1 DE 102017203268A1
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- Prior art keywords
- internal combustion
- plasma
- combustion engine
- gas
- electrostatic
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/145—Inertia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/155—Filtration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0226—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/04—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric, e.g. electrostatic, device other than a heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/28—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a plasma reactor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Vorrichtung zur Abscheidung von Partikeln aus einem Gasstrom für eine Brennkraftmaschine, wobei in einer Gas führenden Leitung ein Plasma- oder ein elektrostatischer Partikelabscheider angeordnet ist, wobei in der Leitung in Strömungsrichtung des Gases vor dem Plasma- oder elektrostatischen Partikelabscheider ein passives Partikelabscheideelement angeordnet ist.
Durch die erfindungsgemäße Ausgestaltung ist bei Ausfall des Plasma- oder elektrostatischen Partikelabscheiders zumindest eine grobe Partikelabscheidung für eine Notlauffunktion der Brennkraftmaschine gegeben.
Apparatus for separating particles from a gas stream for an internal combustion engine, wherein in a gas-carrying line, a plasma or an electrostatic Partikelabscheider is arranged, wherein in the line in the flow direction of the gas in front of the plasma or electrostatic Partikelabscheider a passive Partikelabscheideelement is arranged.
Due to the configuration according to the invention, if the plasma or electrostatic particle separator fails, at least one coarse particle separation for an emergency operation of the internal combustion engine is provided.
Description
Die Erfindung betrifft eine Vorrichtung zur Abscheidung von Partikeln aus einem Gasstrom für eine Brennkraftmaschine mit den Merkmalen aus dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for separating particles from a gas stream for an internal combustion engine with the features of the preamble of patent claim 1.
Derzeit werden bei Verbrennungsmotoren nur passive Ölabscheidungssysteme verwendet. Ein passives Ölabscheidesystem in Form einer Prallplatte ist beispielsweise aus der Deutschen Offenlegungsschrift
Ein weiteres Beispiel für eine passive Ölabscheidung ist aus der Deutschen Offenlegungsschrift
Ein weiteres Beispiel für ein passives Ölabscheidesystem mit Prallplatten ist beispielsweise aus der Deutschen Offenlegungsschrift
Eine weitere Möglichkeit der Ölabscheidung, beispielsweise für ein Blow-By Gas einer Brennkraftmaschine, ist aus der weltweiten Patentanmeldung
Nachteilig an den bekannten passiven Ölabscheidesystemen ist die Tatsache, dass sehr kleine Tröpfchen bzw. Partikel nur sehr schlecht abgeschieden werden, während die aktiven Systeme, wie zum Beispiel ein Plasmaabscheider, sehr hohe Spannungen und Leistungen benötigen, um große Partikel abzuscheiden.A disadvantage of the known passive oil separation systems is the fact that very small droplets or particles are deposited very poorly, while the active systems, such as a plasma separator, require very high voltages and power to deposit large particles.
Dies führt bei passiven Systemen zu einer nur relativ geringen Ölabscheidungsrate, was beispielsweise bei aufgeladenen Brennkraftmaschinen zu einer Turboladerverkokung bzw. zur Versottung diverser Bauteile, wie beispielsweise des AGR-Kühlers (Abgasrückführkühler), der Sauganlage usw. führt. Um für aktive Systeme eine gute Ölabscheidungsrate, insbesondere für größere Öltröpfchen oder Partikel zu erzielen ist dem gegenüber wiederum ein sehr hoher Energiebedarf notwendig, ganz große Tröpfchen können unter Umständen gar nicht abgeschieden werden.This leads in passive systems to a relatively low oil separation rate, which leads, for example, in supercharged internal combustion engines to turbocharger coking or sooting of various components, such as the EGR cooler (exhaust gas recirculation cooler), the intake system and so on. In order to achieve a good rate of oil separation for active systems, especially for larger oil droplets or particles, a very high energy requirement is again required, very large droplets may under certain circumstances not be separated.
Aufgabe der vorliegenden Erfindung ist es, eine Maßnahme aufzuzeigen, die oben genannten Nachteile zu vermeiden.Object of the present invention is to show a measure to avoid the disadvantages mentioned above.
Diese Aufgabe wird durch das Merkmal im kennzeichnenden Teil des Patentanspruchs 1 gelöst.This object is achieved by the feature in the characterizing part of patent claim 1.
Durch die Kombination eines passiven Partikelabscheiders mit einem Plasma- oder elektrostatischen Partikelabscheider wird die Ölabscheidungsrate, beispielsweise von Blow-By Gasen einer Brennkraftmaschine, deutlich erhöht. Die Systeme ergänzen sich in vorteilhafter Weise dadurch, dass das passive System die größeren Partikel vollständig ohne Energiezufuhr abscheidet. Der wesentliche Vorteil liegt darin, dass der zugeschaltete Plasma- oder elektrostatische Partikelabscheider nur mehr mit kleineren Partikeln durchströmt wird. Für die Abscheidung der kleineren Partikel ist bauartbedingt nur ein wesentlich geringerer Strombedarf erforderlich, als wenn große Partikel von dem aktiven System abgeschieden werden müssen. By combining a passive particle separator with a plasma or electrostatic particle separator, the oil separation rate, for example of blow-by gases of an internal combustion engine, is significantly increased. The systems complement each other advantageously in that the passive system separates the larger particles completely without energy. The main advantage is that the connected plasma or electrostatic particle separator only flows through with smaller particles. For the deposition of the smaller particles is due to design only a much lower power consumption required than when large particles must be separated from the active system.
Dies führt in vorteilhafter Weise zur Vermeidung einer Verkokung des Abgasturboladers, sowie zu einer deutlich geringeren Bauteilversottung, wie beispielsweise eines AGR-Kühlers. Weiter ist die Anhebung der Verdichteraustrittstemperatur des Abgasturboladers möglich, was sich positiv auf die Dynamik und Performance der Brennkraftmaschine auswirkt. Ein weiterer Vorteil liegt in der gleichzeitigen Reduzierung des Ölverbrauchs der Brennkraftmaschine, da das abgeschiedene Öl wieder dem Ölkreislauf der Brennkraftmaschine rückgeführt und nicht verbrannt wird. Im Vergleich zur alleinigen Anwendung eines Plasma- oder elektrostatischen Partikelabscheiders ergeben sich deutliche Vorteile hinsichtlich des Energiebedarfs. In besonders vorteilhafter Weise ist bei einem Systemausfall des Plasma- oder elektrostatischen Partikelabscheiders die Reduzierung der Ölabscheidung trotzdem gegeben, was eine Notlauffunktion der Brennkraftmaschine darstellt.This leads advantageously to avoid coking of the exhaust gas turbocharger, as well as to a significantly lower component scorching, such as an EGR cooler. Further, the increase in the compressor outlet temperature of the exhaust gas turbocharger is possible, which has a positive effect on the dynamics and performance of the internal combustion engine. Another advantage is the simultaneous reduction of the oil consumption of the internal combustion engine, since the separated oil is returned to the oil circuit of the internal combustion engine and not burned. Compared to the sole use of a plasma or electrostatic Partikelabscheiders significant advantages in terms of energy requirements. In a particularly advantageous manner, the reduction of the oil separation is still given in a system failure of the plasma or electrostatic Partikelabscheiders, which is an emergency operation of the internal combustion engine.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.Advantageous developments of the invention are described in the subclaims.
So ist besonders bevorzugt gemäß Patentanspruch 2 das passive Partikelabscheideelement zumindest eine Prallwand und/oder ein Geflecht, wobei das Geflecht gemäß Patentanspruch 3 besonders bevorzugt ein Flies ist.Thus, it is particularly preferred according to
Im Folgenden ist die Erfindung anhand von zwei Figuren näher erläutert.
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1 zeigt einen Prinzipaufbau der erfindungsgemäßen Vorrichtung. -
2 zeigt in einem Diagramm die Vorteile der erfindungsgemäßen Vorrichtung.
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1 shows a basic structure of the device according to the invention. -
2 shows a diagram of the advantages of the device according to the invention.
In einer bevorzugten Ausführungsform weist das passive Partikelabscheideelement
Wie in
Über eine Y-Achse ist ein Leistungsbedarf des Plasma- oder elektrostatischen Partikelabscheiders
Über eine X-Achse ist eine mittlere Partikelgröße beispielsweise von Öltröpfchen ohne Größeneinheit dargestellt.An X-axis shows an average particle size, for example, of oil droplets without a size unit.
In einem Graph mit Rechtecken ist eine Abscheidecharakteristik eines Plasma- oder elektrostatischen Partikelabscheiders
Wird nun, wie auf der X-Achse dargestellt, ein passives Partikelabscheideelement
Erfindungsgemäß erfolgt die Abscheidung größerer Partikel mit dem vorgeschalteten passiven System, dem passiven Partikelabscheideelement 3. Hieraus folgt, dass der Plasma- oder elektrostatische Partikelabscheider
Durch die erfindungsgemäße Ausgestaltung der Vorrichtung
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1.1.
- Vorrichtungcontraption
- 2.Second
- Plasma- oder elektrostatischer PartikelabscheiderPlasma or electrostatic particle separator
- 3.Third
- passives Partikelabscheideelementpassive particle separator
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102005038257 A1 [0002]DE 102005038257 A1 [0002]
- DE 102012111721 A1 [0003]DE 102012111721 A1 [0003]
- DE 102011120782 A1 [0004]DE 102011120782 A1 [0004]
- WO 2008/145251 A1 [0005]WO 2008/145251 A1 [0005]
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102017203268.5A DE102017203268A1 (en) | 2017-03-01 | 2017-03-01 | Device for separating particles from a gas stream for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102017203268.5A DE102017203268A1 (en) | 2017-03-01 | 2017-03-01 | Device for separating particles from a gas stream for an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
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DE102017203268A1 true DE102017203268A1 (en) | 2018-09-06 |
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DE102017203268.5A Withdrawn DE102017203268A1 (en) | 2017-03-01 | 2017-03-01 | Device for separating particles from a gas stream for an internal combustion engine |
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DE (1) | DE102017203268A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121601A (en) | 1986-10-21 | 1992-06-16 | Kammel Refaat A | Diesel engine exhaust oxidizer |
DE102005038257A1 (en) | 2005-08-12 | 2007-02-15 | Reinz-Dichtungs-Gmbh | oil separator |
DE60034350T2 (en) | 1999-09-14 | 2007-10-25 | Daniel Teboul | DEVICE FOR TREATING COMBUSTION GASES FROM AN INTERNAL COMBUSTION ENGINE |
WO2008145251A1 (en) | 2007-05-31 | 2008-12-04 | Marcel Op De Laak | Method and device for precipitating impurities from a stream of gas |
DE102011120782A1 (en) | 2011-12-09 | 2013-06-13 | Volkswagen Aktiengesellschaft | Internal combustion engine and method for operating an internal combustion engine |
DE102012111721A1 (en) | 2012-12-03 | 2014-06-05 | Elringklinger Ag | Blow-by-gas-cleaning device for separating oil droplets from aerosol forming crankcase-ventilation gases of internal combustion engine, has non-woven fabric with open structure, thicker fibers with diameters, and thinner fibers |
-
2017
- 2017-03-01 DE DE102017203268.5A patent/DE102017203268A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121601A (en) | 1986-10-21 | 1992-06-16 | Kammel Refaat A | Diesel engine exhaust oxidizer |
DE60034350T2 (en) | 1999-09-14 | 2007-10-25 | Daniel Teboul | DEVICE FOR TREATING COMBUSTION GASES FROM AN INTERNAL COMBUSTION ENGINE |
DE102005038257A1 (en) | 2005-08-12 | 2007-02-15 | Reinz-Dichtungs-Gmbh | oil separator |
WO2008145251A1 (en) | 2007-05-31 | 2008-12-04 | Marcel Op De Laak | Method and device for precipitating impurities from a stream of gas |
DE102011120782A1 (en) | 2011-12-09 | 2013-06-13 | Volkswagen Aktiengesellschaft | Internal combustion engine and method for operating an internal combustion engine |
DE102012111721A1 (en) | 2012-12-03 | 2014-06-05 | Elringklinger Ag | Blow-by-gas-cleaning device for separating oil droplets from aerosol forming crankcase-ventilation gases of internal combustion engine, has non-woven fabric with open structure, thicker fibers with diameters, and thinner fibers |
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R163 | Identified publications notified | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |