WO2011110630A1 - Séparateur de brouillard d'huile comportant un canal de retour d'huile avec siphon - Google Patents

Séparateur de brouillard d'huile comportant un canal de retour d'huile avec siphon Download PDF

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Publication number
WO2011110630A1
WO2011110630A1 PCT/EP2011/053616 EP2011053616W WO2011110630A1 WO 2011110630 A1 WO2011110630 A1 WO 2011110630A1 EP 2011053616 W EP2011053616 W EP 2011053616W WO 2011110630 A1 WO2011110630 A1 WO 2011110630A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
housing
internal combustion
combustion engine
mist separator
Prior art date
Application number
PCT/EP2011/053616
Other languages
German (de)
English (en)
Inventor
Dirk Hornung
Original Assignee
Hengst Gmbh & Co. Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hengst Gmbh & Co. Kg filed Critical Hengst Gmbh & Co. Kg
Publication of WO2011110630A1 publication Critical patent/WO2011110630A1/fr

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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
    • F01M2013/0422—Separating oil and gas with a centrifuge device
    • 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 present invention relates to a ⁇ lnebelabscheider for separating oil from the crankcase ventilation gas of an internal combustion engine, comprising a housing with a rotatably mounted in the housing, oil from the gas by centrifugal forces separating rotor, arranged in the housing, the rotor driving rotary drive with at least one recoil nozzle , wherein the recoil nozzle via a pressure oil passage pressurized lubricating oil of the internal combustion engine can be fed with a deoiled crankcase ventilation gas supplying raw gas duct, with a de-oiled clean gas purifying clean gas duct, with a leaking from the recoil nozzle lubricating oil pressure-less in the crankcase of the engine dissipating oil drain channel and with a the crankcase ventilation gas separated oil from an oil collection area discharging oil return passage in the course of which a siphon is arranged and through which the separated oil the ⁇ labl can be fed on channel.
  • the invention relates to an internal combustion engine with such a
  • An oil mist separator of the type indicated above is known from DE 43 1 1 906 A1.
  • a rotor is used, which has in the region of its largest outer diameter, two rotating slinger rings, which serve to spin off separated from the crankcase ventilation gas ⁇ lparti- angles in a formed on the inner circumference of the housing of the separator oil collection area.
  • an oil return line routed outside the housing of the separator leads to the oil discharge channel, through which the lubricating oil emerging from the at least one return nozzle of the rotary drive in operation of the separator is returned without pressure to the oil sump or the crankcase of the associated internal combustion engine.
  • a siphon is provided, which is formed by a double U-shaped line section.
  • the disadvantage is that the external oil return line has to be be made separately, it requires its own assembly and it takes an extra space to complete.
  • the object is to provide a ⁇ lnebelabschei- of the aforementioned type, which avoids the disadvantages mentioned and in particular with a lower parts and assembly costs can be produced and which offers a compact design with small installation space.
  • an internal combustion engine to be specified with such a ⁇ lnebelabscheider.
  • the housing has a first housing part and a second housing part, wherein the first housing part is designed as a support part, in or on which the rotor and the rotary drive are rotatably mounted and which has the dip tube, that Siphontopf is provided in the second housing part and that of the first housing part and the second housing part are joined together in the axial direction of the dip tube and sealed together.
  • the ⁇ lnebelabscheiders a particularly simple assembly is achieved because the formation of the siphon a simple, taking place in the axial direction of the dip tube joining the two housing parts.
  • the dip tube is made in one piece with the remaining first housing part, which further simplifies the production.
  • the second housing part is formed as a trough and forms a housing lower part in the installed position of the oil mist separator.
  • the second housing part is here designed as a together with the first housing part a drive space for the rotary drive forming trough, which shields the drive space to the outside and ensures a targeted discharge of the exiting from the at least one recoil nozzle in operation lubricating oil.
  • the second housing part as a trough and the Siphontopf can be molded easily into the second housing part.
  • the Olnebelabscheider can be connected in different ways with the associated internal combustion engine or a component of the internal combustion engine.
  • a first related embodiment proposes that the housing has a lateral connection flange with which the Olnebelabscheider is axially sealingly connectable to produce a flow connections, in particular for the raw gas duct, the pressure oil passage and the oil drain passage, with a mating flange of the internal combustion engine or the component of the internal combustion engine.
  • the Olnebelabscheider can be completely prefabricated and functional in this embodiment and also tested and connected as a unit with the internal combustion engine or a component of the internal combustion engine.
  • the component of the internal combustion engine may be, for example, its cylinder head cover or an oil module comprising an oil filter and / or oil cooler.
  • a direct flanging the ⁇ lnebelabscheiders to the internal combustion engine, in particular the engine block, is possible.
  • An alternative embodiment to the previous embodiment proposes an oil mist separator and an internal combustion engine with such an oil mist separator, which are characterized in that the second housing part is designed as part of the internal combustion engine or of a component of the internal combustion engine. det is, wherein the internal combustion engine or its component in the installation position of the Olnebelabscheiders forms a lower housing part.
  • the oil mist separator is partially integrated into the internal combustion engine or one of its components, which further reduces the production costs and the required installation space.
  • a related embodiment of the Olnebelabscheiders is characterized in that the first housing part has a circular outer periphery, that the internal combustion engine or its component has a suitably sized circular recess and that the first housing part to produce flow connections, in particular for the raw gas duct, the pressure oil passage and the oil drain passage, in the recess in the internal combustion engine or in the component radially sealing plugged.
  • This configuration allows, in particular, a simple production of the recess in the internal combustion engine or in its component for receiving the first housing part of the oil mist separator, since a circular recess is easy to produce in terms of manufacturing technology.
  • the oil mist separator is recessed over part of its overall height into the internal combustion engine or in its component, which contributes to a particularly compact and very little space-consuming accommodation of Olnebelabscheiders.
  • the oil mist separator has an upper housing part which can be detachably connected to the first housing part,
  • the rotor enclosing lid is formed. If necessary, the cover forming the upper part of the housing can be removed without having to disassemble the remaining oil mist separator. Thus, for example, the rotor can be easily replaced if necessary.
  • Figure 1 shows a ⁇ lnebelabscheider in a first embodiment, in longitudinal section
  • Figure 2 shows the Olnebelabscheider in a second embodiment, also in longitudinal section.
  • FIG. 1 of the drawing shows, as a first exemplary embodiment, an oil mist separator 1, which can be flanged by means of a lateral flat flange 70 to a counter flange 80 of an associated internal combustion engine 8 or a component of the associated internal combustion engine 8.
  • the Olnebelabscheider 1 has a first housing part 1 1, which serves as a support member 5 and in which a shaft 3 is rotatably mounted about its central axis 30, namely in an upper sliding bearing 33.1 and in an axially spaced therefrom lower sliding bearing 33.2.
  • a rotor 2 is arranged, which is secured against rotation on the shaft 3 and which serves for the separation of oil mist from the crankcase ventilation gas of the associated internal combustion engine 8.
  • the rotor 2 is designed in a known manner, for example as a stack of plates.
  • the rotor 2 is surrounded by a housing upper part 13 in the form of a lid.
  • the upper housing part 13 is detachably connected by means of a flange with the first housing part 1 1 from above.
  • the Olnebelabscheider 1 has a second housing part 12 in the form of a trough, in which a rotary drive 4 is located.
  • the second housing part 12 is sealed from below connected to the first housing part 1 1.
  • a pressure oil passage 73 to the shaft 3.
  • the shaft 3 has a transverse bore 35. From the transverse bore 35, a hollow channel 34 extends through the interior of the shaft 3 down.
  • the rotary drive 4 is connected to the lower end of the shaft 3, which is embodied here by a single nozzle arm 41 with a nozzle channel 42 connected to the hollow channel 30 and a recoil nozzle 43 arranged at the outer end of the nozzle arm 41. Seen in the circumferential direction of the shaft 30 is opposite the nozzle arm 41, a counterweight 44, which serves to avoid an imbalance.
  • a counterweight 44 Seen in the circumferential direction of the shaft 30 is opposite the nozzle arm 41, a counterweight 44, which serves to avoid an imbalance.
  • the Rotary actuator 4 is here attached rotationally fixed to the lower end of the shaft 3 and by means of a cap nut 45, which simultaneously closes the hollow channel 30 at its lower end, secured.
  • lubricating oil under pressure from the oil pump 73 is supplied to the shaft 3 coming from an oil pump of the internal combustion engine 8.
  • the oil flow flows through the transverse bore 35 into the hollow channel 30 and from there through the nozzle channel 42 in the nozzle arm 41 to the recoil nozzle 43.
  • the oil jet emerging from the recoil nozzle 43 ensures rotation of the rotary drive 4 and the shaft 3 connected thereto in a rotationally fixed manner
  • the lubricating oil emerging from the recoil nozzle 43 flows off under pressure through an oil drain passage 74, which is provided in the flange 70, which is connectable to the mating flange 80 of the associated engine 8 or a component of the engine 8 ,
  • the siphon 76 consists of a dip tube 76 ', which is integrally formed with the first housing part 1 1 or support part 5 and in the illustrated in Figure 1 th mounting position of the Olnebelabscheiders 1 extends down.
  • the open-top siphoning pot 76 " is located in a region which is reached by the lubricating oil emerging from the recoil nozzle 43 during operation of the oil mist separator 1.
  • the siphon pot 76 " is immediately filled with oil.
  • the desired function of the siphon 76 is ensured immediately.
  • Figure 2 shows a second embodiment of the Olnebelabscheiders 1, for which it is characteristic that here the second housing part 12 is formed by the associated internal combustion engine 8 or one of its components.
  • a recess 81 is formed in the associated internal combustion engine 8 and the first housing part 1 1 or the support member 5 is inserted sealingly together with the rotary drive 4 in the recess 81 from above.
  • flow connections to the internal combustion engine 8 are produced via the flange 70 on the first housing part 11 and the counter flange 80 on the internal combustion engine 8, namely for supplying crankcase ventilation gas to the raw gas channel 71 to be oiled out. for supplying under pressure lubricating oil into the pressure oil passage 73 and for the pressure-free discharge of lubricating oil emerging from the recoil nozzle 43 of the rotary drive 4 into the oil drain passage 74.
  • the recess 81 is circular in plan view. Accordingly, then the outer circumference of the first housing part 1 1 is also circular. By several, here a total of three, radial sealing rings of the first housing part 1 1 is sealed against the recess 81 in the internal combustion engine 8. By a suitable coding can be ensured in the circumferential direction correct mounting position of the first housing part 1 1.
  • the siphoning pot 76 is arranged in the internal combustion engine 8 as part of the recess 81.
  • the first housing part 1 1 with an oil collection area 55 for by means of The oil collecting area 55 communicates with the oil return passage 75, which merges downwardly into the protruding dip tube 76 'in the built-in recess 81 state of the first housing part 1 1 as shown in FIG.
  • the siphon pot 76 is also open at the top and arranged in a region of the recess 81 which is achieved during operation of the oil mist separator by the lubricating oil flow leaving the recoil nozzle 43.
  • the siphon pot 76 is also open at the top and arranged in a region of the recess 81 which is achieved during operation of the oil mist separator by the lubricating oil flow leaving the recoil nozzle 43.
  • the rotor 2 is located in this Olnebelabscheider 1 above the internal combustion engine 8 within the detachably attached to the first housing part 1 1 ceiling-shaped housing upper part 13th
  • the oil mist separator 1 according to FIG. 2 corresponds to the example according to FIG. 1, and reference is therefore made to the description of FIG. 1 with regard to the further reference numbers in FIG. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne un séparateur de brouillard d'huile (1) destiné à séparer l'huile du gaz d'aération du carter d'un moteur à combustion interne (8) et comportant un boîtier, un rotor (2) logé pivotant dans le boîtier et séparant l'huile du gaz par la force centrifuge, un dispositif d'entraînement rotatif (4) du rotor (2), logé dans le boîtier et doté d'au moins un ajutage de retour (43) vers lequel l'huile de lubrification sous pression du moteur à combustion interne (8) arrive par un conduit d'huile sous pression (73), une conduite de gaz brut (71) amenant le gaz d'aération du carter dont l'huile est à séparer, une conduite de gaz épuré (72) évacuant le gaz dont l'huile a été séparée, un canal de sortie d'huile (74) évacuant sans pression l'huile de lubrification sortant de l'ajutage de retour (43) vers le carter du moteur à combustion interne (8), et un canal de retour d'huile (75) évacuant l'huile séparée du gaz d'aération du carter hors d'une zone de collecte d'huile (55), un siphon (76) étant disposé sur le tracé du canal de retour d'huile et l'huile séparée traversant ledit canal de retour d'huile en direction du canal de sortie d'huile (74). Le séparateur de brouillard d'huile (1) selon l'invention est caractérisé en ce que le canal de retour d'huile (75) se trouve dans le boîtier, en ce que le siphon (76) est formé par un tube plongeur (76') formant une partie du canal de retour d'huile (75) et par une cuve de siphon (76'') qui est formée dans le boîtier, ouverte vers le haut et dans laquelle plonge le tube plongeur (76'), et en ce que la cuve de siphon (76'') est située dans une zone du boîtier où, en service, arrive l'huile de lubrification sortant de l'ajutage de retour (43).
PCT/EP2011/053616 2010-03-11 2011-03-10 Séparateur de brouillard d'huile comportant un canal de retour d'huile avec siphon WO2011110630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002787.1A DE102010002787B4 (de) 2010-03-11 2010-03-11 Ölnebelabscheider mit einem Ölrückführkanal mit Siphon und Brennkraftmaschine mit Ölnebelabscheider
DE102010002787.1 2010-03-11

Publications (1)

Publication Number Publication Date
WO2011110630A1 true WO2011110630A1 (fr) 2011-09-15

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PCT/EP2011/053616 WO2011110630A1 (fr) 2010-03-11 2011-03-10 Séparateur de brouillard d'huile comportant un canal de retour d'huile avec siphon

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DE (1) DE102010002787B4 (fr)
WO (1) WO2011110630A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3266523A4 (fr) * 2015-03-02 2018-11-21 Tokyo Roki Co., Ltd. Séparateur d'huile
CN116858529A (zh) * 2023-07-19 2023-10-10 中南大学 一种航空油雾应急润滑实验系统及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170001133A1 (en) * 2014-02-25 2017-01-05 Tokyo Roki Co., Ltd. Oil separator
DE102017201901A1 (de) 2017-02-07 2018-08-09 Mahle International Gmbh Abscheideeinrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311906A1 (de) 1993-04-10 1994-10-13 Audi Ag Vorrichtung zum Entlüften des Kurbelgehäuses einer Brennkraftmaschine
WO2003037521A1 (fr) * 2001-11-01 2003-05-08 Alfa Laval Corporate Ab Appareil de nettoyage simultane d'un gaz et d'un liquide
DE202007009913U1 (de) * 2007-07-13 2008-11-20 Hengst Gmbh & Co.Kg Abscheider zum Abscheiden von Ölnebel aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine und Brennkraftmaschine mit einem Abscheider
EP2020485A2 (fr) * 2007-07-31 2009-02-04 Hengst GmbH & Co. KG Séparateur de vapeur d'huile d'un moteur à combustion interne

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
SE523676C2 (sv) * 2002-09-04 2004-05-11 Alfa Laval Corp Ab Apparat för rening av gas
SE525091C2 (sv) * 2003-04-16 2004-11-30 Alfa Laval Corp Ab En apparat för rening av en gas
DE10350562B4 (de) * 2003-10-29 2008-07-31 Daimler Ag Vorrichtung zur Aufbereitung von Schmieröl
FR2933626B1 (fr) * 2008-07-10 2011-01-21 Filtrauto Dispositif avec rotor a media coalesceur pour separer l'huile des gaz de carter d'un moteur a combustion interne.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311906A1 (de) 1993-04-10 1994-10-13 Audi Ag Vorrichtung zum Entlüften des Kurbelgehäuses einer Brennkraftmaschine
WO2003037521A1 (fr) * 2001-11-01 2003-05-08 Alfa Laval Corporate Ab Appareil de nettoyage simultane d'un gaz et d'un liquide
DE202007009913U1 (de) * 2007-07-13 2008-11-20 Hengst Gmbh & Co.Kg Abscheider zum Abscheiden von Ölnebel aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine und Brennkraftmaschine mit einem Abscheider
EP2020485A2 (fr) * 2007-07-31 2009-02-04 Hengst GmbH & Co. KG Séparateur de vapeur d'huile d'un moteur à combustion interne

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3266523A4 (fr) * 2015-03-02 2018-11-21 Tokyo Roki Co., Ltd. Séparateur d'huile
CN116858529A (zh) * 2023-07-19 2023-10-10 中南大学 一种航空油雾应急润滑实验系统及方法
CN116858529B (zh) * 2023-07-19 2024-01-23 中南大学 一种航空油雾应急润滑实验系统及方法

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DE102010002787B4 (de) 2020-12-10
DE102010002787A1 (de) 2011-09-15

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