EP1555399A2 - Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom - Google Patents
Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom Download PDFInfo
- Publication number
- EP1555399A2 EP1555399A2 EP04106150A EP04106150A EP1555399A2 EP 1555399 A2 EP1555399 A2 EP 1555399A2 EP 04106150 A EP04106150 A EP 04106150A EP 04106150 A EP04106150 A EP 04106150A EP 1555399 A2 EP1555399 A2 EP 1555399A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cyclone
- gas
- degrees
- cyclones
- crankcase
- 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.)
- Withdrawn
Links
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Classifications
-
- 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
-
- 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
- F01M13/0416—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in valve-covers
-
- 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
- F01M2013/0038—Layout of crankcase breathing systems
- F01M2013/0044—Layout of crankcase breathing systems with one or more valves
-
- 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
- F01M2013/0038—Layout of crankcase breathing systems
- F01M2013/005—Layout of crankcase breathing systems having one or more deoilers
- F01M2013/0061—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers
- F01M2013/0066—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in parallel
-
- 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
- F01M2013/0422—Separating oil and gas with a centrifuge device
- F01M2013/0427—Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone
-
- 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
- F01M2013/0488—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase
Definitions
- the invention relates to a device for the separation of liquid from a gas stream according to the preamble of the main claim. It is already a device for the separation of liquid from a gas stream known from DE 299 08 116 U1, which has cyclones as separation elements, the cyclones each having an inlet section and a conical section, wherein a tangentially opening into the inlet section input channel, an axially in the inlet section or gas outlet channel opening into the conical section and a liquid outlet opening into the conical section at a tapered end of the conical section are provided.
- the cyclones are arranged with their axis perpendicular to a connection surface for arrangement of the device on the internal combustion engine.
- Such devices are often integrated in the cylinder head cover and are used for crankcase ventilation, with little space between a bonnet of the vehicle and the cylinder head cover is provided by the vertical arrangement of the cyclones. This is particularly needed for recent developments to improve the impact protection for pedestrians or for more design freedom in the design.
- the device according to the invention with the characterizing Features of the main claim has the advantage over that in a simple way an improvement to that effect achieved that the overall height of the device in the direction a bonnet is reduced by the symmetry axis the at least one cyclone opposite the pad at an angle not equal to 90 degrees.
- the symmetry axis of the at least one cyclone runs in an angle range between 0 degrees and 70 degrees the pad or between 0 degrees and minus 70 degrees with respect to the pad.
- the at least one cyclone in a cylinder head cover is arranged, as this is a allows particularly compact arrangement of the device.
- the at least one cyclone upstream of a pre-separator and / or downstream of a pressure control valve.
- the at least one Liquid outlet of the at least one cyclone over a Flow channel is fluidly connected to the crankcase, wherein the drainage channel via a check valve or a Siphon opens into the crankcase.
- the drawing shows a device according to the invention for the separation of liquid from a gas stream.
- the device according to the invention is preferably used for separating liquids, in particular oil, from a gas stream, so it can generally be used for separating drops of liquids from flowing gases.
- the device according to the invention is preferably used in a crankcase ventilation of an internal combustion engine.
- blow-by gas During operation of an internal combustion engine flows due to a small leakage between piston, piston rings and cylinder surfaces a so-called blow-by gas or Blow-by gas from a combustion chamber into a Crankcase.
- blowby gas is hereafter only still commonly used the term gas.
- the gas supplied to the intake manifold has an oil mist many small and big drops of oil on it high flow rate into the crankcase inflowing gas and through the moving parts in the Crankcase is created.
- the oil drops of the oil mist must prior to introduction into the suction tube by means of the device for separating liquid from the gas stream are deposited to avoid high oil loss and not to negatively influence the combustion.
- In the device according to the invention is at least one Cyclone 1 provided in a known manner a Inlet section 2 and a cone section 3 has.
- Cone portion 3 is, for example, adjacent to the Inlet section 2, wherein the inlet section 2 and the Conical section 3, for example, concentric with respect to a Symmetryeachse 4 of the cyclone 1 are arranged.
- Inlet section 2 is cylindrical, for example, and the Conical section 3 conical.
- the at least one cyclone 1 has one each Input channel 5, a gas outlet channel 8, also called Dip tube is called, and a liquid outlet. 9 on.
- the input channel 5 opens tangentially in the Inlet section 2 of the cyclone 1.
- the gas outlet channel 8 is at the inlet section 2 facing end face of Cyclone 1, for example, concentric to the axis of symmetry 4, arranged and opens axially with respect to the axis of symmetry 4 in the inlet section 2 or in the cone section.
- the liquid outlet 9 is at a tapered end of the Cone portion 3 with the cone portion 3 in conjunction.
- the at least one cyclone 1 takes place in a known manner the separation of the liquid from the gas stream.
- the Gas flow of the crankcase ventilation passes through the Input channel 5 in the inlet section 2 of the cyclone 1.
- the Flow in the cyclone 1 is through the tangential Inflow is set in rotation and flows in as Outer vortex helically on a Zyklonwandung 10 of Inlet section 2 and the conical section 3 of the cyclone first along towards the liquid outlet 9.
- Near the Liquid flow 9 changes the flow direction and flows in as an internal vortex in the center of the external vortex Direction of the gas outlet channel 8 back and leaves the Cyclone 1 via the gas outlet channel 8.
- the device according to the invention has, for example several parallel cyclones 1, which in one Housing 12 are arranged and of which, however, only one in the drawing is exemplified.
- the housing 12 may be, for example, a cylinder head cover 13.
- the Housing 12 has, for example, a pad 11 for Arrangement of the device on an internal combustion engine 6.
- the pad 11 is as the main extension plane with defines a main direction of extension, so that steps, Heels, recesses or vaults not to Pad 11 are to be counted and thus a unique Reference level is formed.
- the housing 12 is for example with the pad 11 horizontally on a cylinder head.
- the internal combustion engine 6 is arranged, wherein an annular circumferential seal 16 on the pad 11 between the Cylinder head cover 13 and the cylinder head 7 is provided and the device seals to the environment.
- the housing 12 but can also obliquely with respect to the pad 11 the symmetry axis 4 may be arranged on the cylinder head 7, for example in an angular range from zero to plus / minus thirty degrees.
- the at least one cyclone 1 is for example as complete item in the cylinder head cover 13th used. But the cyclones or 1 can also partially, for example, in half, at the Cylinder head cover 13 and the rest of the part, for example Half, at one with the cylinder head cover 13th be co-formed cooperating lid.
- the device according to the invention has a height 14 in Direction of a hood 15 of a vehicle, the For example, measured in the direction of the hood 15 Height of the cylinder head cover 13 corresponds.
- the at least one cyclone 1 according to the invention arranged such that the symmetry axis 4 of at least a cyclone 1 opposite the pad 11 under a Angle of unequal 90 degrees.
- the at least one Cyclone 1 is after the assembly of the device to the Internal combustion engine 6 or elsewhere in one Engine compartment near the internal combustion engine 6 according to the invention oriented such that the axis of symmetry 4 of at least a cyclone 1 with respect to the horizontal under one Angle of unequal 90 degrees.
- Below the horizontal is the earth's surface or the roadway of the vehicle too understand.
- the Reduction of the overall height 14 of the invention Device increases the distance between the Cylinder head cover 13 and the hood 15 and improved thereby the impact protection for pedestrians. Besides, more is going on Freedom of design in the design of the vehicle allows.
- the distance of the cylinder head cover 13 to the hood 15 should for impact protection up to one hundred millimeters to obtain a soft bonnet, which in Direction of a crankcase 19 can spring elastically.
- the at least a cyclone 1 arranged such that the symmetry axis 4th of the cyclone 1 parallel to the pad 11 of Device and / or parallel to the horizontal is positioned.
- the height 14 of the invention Device is according to this parallel version on the least.
- the gas outlet channel 8 and the Liquid outlet 9 lie in a common Plane which is arranged parallel to the pad 11.
- the housing 12 so obliquely on the cylinder head. 7 is arranged that the liquid outlet 9 below the Gas outlet channel 8 is the transport of the deposited liquid along the cyclone wall 10 in Direction of the liquid outlet 9 by gravity supported.
- the at least one cyclone 1 can also be arranged in this way be that the axis 4 in an angular range between zero Degrees and seventy degrees with respect to the pad 11 and / or the horizontal or in an angular range between zero degrees and minus seventy degrees with respect to Pad 11 and / or the horizontal is arranged.
- the device according to the invention has, in addition to the at least an inventively arranged cyclone 1, for example a cyclone 1 upstream pre-separator 17 and a the cyclone 1 downstream pressure control valve 18.
- a cyclone 1 upstream pre-separator 17 for example a cyclone 1 upstream pre-separator 17 and a the cyclone 1 downstream pressure control valve 18.
- the Vorabscheider 17 is for example a calming room, in the big drop, for example drops larger than twenty Micrometer, deposited.
- the gas passes out of the crankcase 19 via a Connecting line 31 in the cylinder head 7.
- vom Cylinder head 7 the gas flows over a Inlet opening 20 in the pre-separator 17 and downstream in the at least one cyclone 1.
- the gas flow over a not illustrated distribution channel on the individual cyclones. 1 distributed, with the respective partial flow over the respective Input channel 5 is passed into the respective cyclone 1.
- the oil drops in a known manner removed from the gas, with the separated oil drops in each case via the liquid outlet 9 in the crankcase 19 be returned.
- the liquid transport in Direction liquid flow 9 does not take place as in the state the technique mainly by the gravity of the Liquid, but by the flow in the cyclone 1, the so-called potential vortex.
- the gas outlet channels 8 of the individual cyclones 1 are downstream of the cyclone 1 with a common clean gas line 25 fluidly connected, in which the purified gas from the Cyclones 1 is collected and forwarded. That from the individual cyclones 1 via the gas outlet channels. 8 escaping, from oil drops purified gas passes through the Clean gas line 25, the pressure regulating valve 18 and a Vent line 28 in a suction pipe 29 of the Internal combustion engine, for example, in the intake manifold 29th downstream of a throttle valve 30.
- a parallel connection of several cyclones 1 in the Device is the number of cyclones traversed by the gas 1, for example by means of a cyclone.
- 1 upstream switching element adjustable wherein the Switching element the gas volume flow depending on the amount of the gas volume flow to one or more cyclones 1 passes.
- the switching element switches in this way dependent from the amount of gas volume flow individual cyclones 1 to or at. This will make the cyclones 1 closer to the optimum Operating point operated as in the prior art.
- there can the switching element by an actuator in dependence of Pressure in the crankcase 19 or due to the switching element be adjustable acting flow forces.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
Es ist schon eine Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom aus der DE 299 08 116 U1 bekannt, die Zyklone als Abscheideelemente aufweist, wobei die Zyklone jeweils einen Einlaufabschnitt und einen Kegelabschnitt aufweisen, wobei ein tangential in den Einlaufabschnitt mündender Eingangskanal, ein axial in den Einlaufabschnitt oder in den Kegelabschnitt mündender Gasausgangskanal und ein an einem verjüngten Ende des Kegelabschnitts in den Kegelabschnitt mündender Flüssigkeitsablauf vorgesehen ist. Die Zyklone sind mit ihrer Achse senkrecht bezüglich einer Anschlußfläche zur Anordnung der Vorrichtung an der Brennkraftmaschine angeordnet. Derartige Vorrichtungen sind häufig in der Zylinderkopfhaube integriert und dienen der Kurbelgehäuseentlüftung, wobei durch die senkrechte Anordnung der Zyklone wenig Bauraum zwischen einer Motorhaube des Fahrzeugs und der Zylinderkopfhaube vorhanden ist. Dieser wird aber besonders für neuere Entwicklungen zur Verbesserung des Aufprallschutzes für Fußgänger oder für mehr Gestaltungsspielraum beim Design benötigt.
Die erfindungsgemäße Vorrichtung dient vorzugsweise zum Abscheiden von Flüssigkeiten, insbesondere Öl, aus einem Gasstrom, kann also allgemein zum Abscheiden von Tropfen von Flüssigkeiten aus strömenden Gasen verwendet werden. Die erfindungsgemäße Vorrichtung wird vorzugsweise eingesetzt in einer Kurbelgehäuseentlüftung einer Brennkraftmaschine.
Claims (10)
- Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom eines Kurbelgehäuses einer Brennkraftmaschine, mit zumindest einem Zyklon, der jeweils einen Eingangskanal, einen Gasausgangskanal, einen Flüssigkeitsablauf, eine Symmetrieachse aufweist und mit einer Anschlußfläche zur Anordnung der Vorrichtung an die Brennkraftmaschine, dadurch gekennzeichnet, dass die Symmetrieachse (4) des zumindest einen Zyklons (1) gegenüber der Anschlußfläche (11) unter einem Winkel von ungleich 90 Grad verläuft.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Symmetrieachse (4) des zumindest einen Zyklons (1) parallel zur Anschlußfläche (11) verläuft.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Symmetrieachse (4) des zumindest einen Zyklons (1) in einem Winkelbereich zwischen 0 Grad und 70 Grad bezüglich der Anschlußfläche (11) oder zwischen 0 Grad und minus 70 Grad bezüglich der Anschlußfläche (11) verläuft.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der zumindest eine Zyklon (1) in einer Zylinderkopfhaube (13) angeordnet ist.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass ein Teil des zumindest einen Zyklons (1) an der Zylinderkopfhaube (13) und der übrige Teil an einem mit der Zylinderkopfhaube (13) zusammenwirkenden Deckel angeformt ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass dem zumindest einen Zyklon (1) ein Vorabscheider (17) vorgeschaltet und/oder ein Druckregelventil (18) nachgeschaltet ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass mehrere Zyklone (1) parallel geschaltet sind.
- Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Anzahl der durchströmten Zyklone (1) mittels eines den Zyklonen (1) vorgeschalteten Schaltelementes einstellbar ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der zumindest eine Flüssigkeitsablauf (9) des zumindest einen Zyklons (1) über einen Ablaufkanal (23) mit dem Kurbelgehäuse (19) strömungsverbunden ist, wobei der Ablaufkanal (23) über ein Rückschlagventil (24) oder einen Siphon in das Kurbelgehäuse (19) mündet.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der zumindest eine Gasausgangskanal (8) des zumindest einen Zyklons (1) stromab mit einer Reingasleitung (25) verbunden ist, die über das Druckregelventil (18) und eine Entlüftungsleitung (28) mit einem Saugrohr (29) der Brennkraftmaschine verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410002310 DE102004002310A1 (de) | 2004-01-16 | 2004-01-16 | Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom |
DE102004002310 | 2004-01-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1555399A2 true EP1555399A2 (de) | 2005-07-20 |
EP1555399A3 EP1555399A3 (de) | 2009-11-25 |
Family
ID=34609583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04106150A Withdrawn EP1555399A3 (de) | 2004-01-16 | 2004-11-29 | Vorrichtung zur Abscheidung von Flüssigkeit aus einem Gasstrom |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1555399A3 (de) |
DE (1) | DE102004002310A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7740677B2 (en) | 2005-12-28 | 2010-06-22 | Elringklinger Ag | Oil separator |
WO2011107485A1 (de) * | 2010-03-01 | 2011-09-09 | Hengst Gmbh & Co. Kg | Ölnebelabscheider mit wenigstens einem zyklon |
US8171920B2 (en) | 2005-12-20 | 2012-05-08 | 3nineAB | Device for cleaning crank case gases |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004033677B4 (de) * | 2004-07-09 | 2016-03-03 | Volkswagen Ag | Kombination aus einem Druckregelventil und einem Ölabscheider für Entlüftungsgase eines Kurbelgehäuses |
DE202005013112U1 (de) * | 2005-08-17 | 2006-12-28 | Hengst Gmbh & Co.Kg | Ölabscheider zur Abscheidung von Öl aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine |
DE102007046235B4 (de) * | 2006-12-22 | 2015-06-03 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Zylinderkopfhaube für einen Verbrennungsmotor |
US7594501B2 (en) | 2006-12-22 | 2009-09-29 | Dichtungstechnik G. Bruss Gmbh & Co., Kg | Cylinder head cover for an internal combustion engine |
DE202007011585U1 (de) | 2007-08-17 | 2007-10-18 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Ölrücklaufventil für Kurbelgehäuseentlüftung |
US10247068B2 (en) | 2013-06-25 | 2019-04-02 | BRUSS Sealing Systems GmbH | Oil separating module in the crankcase ventilation system of a combustion engine |
DE102013212104B4 (de) | 2013-06-25 | 2021-06-10 | BRUSS Sealing Systems GmbH | Zylinderkopfhaube mit Rückschlagventil für einen Ölrücklauf in der Kurbelgehäuseentlüftung eines Verbrennungsmotors |
EP2937533B1 (de) | 2014-04-24 | 2017-12-20 | BRUSS Sealing Systems GmbH | Entlüftungsmodul für einen Verbrennungsmotor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29908116U1 (de) | 1999-05-06 | 2000-09-28 | Hengst Walter Gmbh & Co Kg | Ölabscheider zur Entölung von Kurbelgehäuse-Entlüftungsgasen einer Brennkraftmaschine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19919311C1 (de) * | 1999-04-28 | 2001-02-15 | Wernicke & Co Gmbh | Verfahren und Vorrichtung zum berührungslosen Abtasten der Brillenglasöffnung einer Brillenfassung oder des Umfangs eines Brillenglases oder einer Formscheibe |
DE19948163A1 (de) * | 1999-10-07 | 2001-04-12 | Volkswagen Ag | Vorrichtung für die Kurbelgehäuse/Zylinderkopf-Entlüftung eines Verbrennungsmotors |
JP3923288B2 (ja) * | 2001-08-06 | 2007-05-30 | 本田技研工業株式会社 | エンジンの気液分離装置 |
DE10239899A1 (de) * | 2002-08-30 | 2004-03-25 | Mann + Hummel Gmbh | Bauteilverbindung |
DE10325055A1 (de) * | 2003-06-02 | 2004-12-23 | Mann + Hummel Gmbh | Einrichtung zum Schalten von Zyklonen |
-
2004
- 2004-01-16 DE DE200410002310 patent/DE102004002310A1/de not_active Withdrawn
- 2004-11-29 EP EP04106150A patent/EP1555399A3/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29908116U1 (de) | 1999-05-06 | 2000-09-28 | Hengst Walter Gmbh & Co Kg | Ölabscheider zur Entölung von Kurbelgehäuse-Entlüftungsgasen einer Brennkraftmaschine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8171920B2 (en) | 2005-12-20 | 2012-05-08 | 3nineAB | Device for cleaning crank case gases |
US7740677B2 (en) | 2005-12-28 | 2010-06-22 | Elringklinger Ag | Oil separator |
WO2011107485A1 (de) * | 2010-03-01 | 2011-09-09 | Hengst Gmbh & Co. Kg | Ölnebelabscheider mit wenigstens einem zyklon |
Also Published As
Publication number | Publication date |
---|---|
DE102004002310A1 (de) | 2005-08-04 |
EP1555399A3 (de) | 2009-11-25 |
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