EP1080298B1 - Deshuileur destine a deshuiler les gaz d'aeration du carter d'un moteur a combustion interne - Google Patents

Deshuileur destine a deshuiler les gaz d'aeration du carter d'un moteur a combustion interne Download PDF

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Publication number
EP1080298B1
EP1080298B1 EP00916937A EP00916937A EP1080298B1 EP 1080298 B1 EP1080298 B1 EP 1080298B1 EP 00916937 A EP00916937 A EP 00916937A EP 00916937 A EP00916937 A EP 00916937A EP 1080298 B1 EP1080298 B1 EP 1080298B1
Authority
EP
European Patent Office
Prior art keywords
oil separator
combustion engine
oil
cyclones
separator according
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.)
Expired - Lifetime
Application number
EP00916937A
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German (de)
English (en)
Other versions
EP1080298B2 (fr
EP1080298A1 (fr
Inventor
Jürgen BUSEN
Sieghard Pietschner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengst SE and Co KG
Original Assignee
Ing Walter Hengst GmbH and 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
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Application filed by Ing Walter Hengst GmbH and Co KG filed Critical Ing Walter Hengst GmbH and Co KG
Publication of EP1080298A1 publication Critical patent/EP1080298A1/fr
Publication of EP1080298B1 publication Critical patent/EP1080298B1/fr
Application granted granted Critical
Publication of EP1080298B2 publication Critical patent/EP1080298B2/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
    • 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

Definitions

  • the present invention relates to an oil separator for de-oiling crankcase ventilation qases one Internal combustion engine, the oil separator being a cyclone comprises one with the crankcase of the internal combustion engine connected gas inlet, one with the intake tract the internal combustion engine connected gas outlet and one connected to an oil sump of the internal combustion engine Has oil outlet.
  • An oil separator of the type mentioned above is from the DE 42 14 324 C2 known. With this oil separator a single cyclone is used, which regarding its Size is such that it is the maximum amount of ventilation gases can process. As essential Feature is provided in this known oil separator that a down pipe at the oil outlet of the cyclone connects, whose mouth below the oil level of the Oil sump of the associated internal combustion engine arranged is that in a lower cyclone-side housing part housed, normally open float valve one Kickback from the oil sump of the internal combustion engine is prevented and that the entire oil separator as an assembly is separably connected to the downpipe.
  • an oil separator of the type mentioned to create which avoids the disadvantages listed and especially about a very large one, all in the Operating conditions of the internal combustion engine that occur in practice comprehensive work area an optimal, i.e. complete or almost complete separation of oil guaranteed from the crankcase ventilation gases.
  • the oil separator according to the invention is compared essential to an oil separator with a single cyclone Enlargement of the optimal working area of the Oil separator reached.
  • the oil separator shows a significantly improved separation performance with low Volume flows of the crankcase ventilation gases as well as greater insensitivity to fluctuations this volume flow.
  • the invention Oil separator a significantly reduced dependency the separation performance and thus the efficiency of the current operating conditions the associated internal combustion engine achieves what the oil pollution of the intake air of the internal combustion engine is essential reduced and what the oil loss of the internal combustion engine reduced via the crankcase ventilation.
  • cyclones with a tangential flow are executed.
  • This tangential Inflow enables a particular compact design compared to an axial Inflow keeps the height of the cyclones low.
  • Another embodiment of the invention provides that the bodies of the individual cyclones are parallel to each other Have central axes and a cyclone body component are united. Because every single cyclone only another fraction corresponding to the number of cyclones the crankcase ventilation gases must process, can each cyclone is correspondingly smaller, especially with a smaller one Diameter and, more importantly, with accordingly reduced height. Thereby the overall size of the oil separator is advantageous compact, although in comparison to a conventional Oil separator the diameter slightly larger can become, but the overall height is significantly smaller. This offers a significant relief in terms of accommodation the oil separator in an engine compartment, e.g. of a motor vehicle, where space is often limited be found.
  • the main inflow channel and the individual inflow channels to form an inflow channel component united.
  • Another step to reduce the parts of the Oil separator is that the cyclone body component and the inflow channel component to a main component are united.
  • the individual cyclones of the oil separator summarized as a bundle in a compact component be arranged; alternatively offers the execution of the oil separator with several individual cyclones the advantageous possibility that the individual cyclones decentrally in and / or on the internal combustion engine are arranged. So here the possibility is created the individual cyclones separately to accommodate such places in or on the internal combustion engine, where just room for a single cyclone is. This can often result in small dead spaces that previously could not be used makes sense each for a cyclone that is relatively small in itself is used.
  • the individual cyclones and / or the associated Inlets and outlets at least partially in one or several other components of the internal combustion engine be integrated.
  • the effort for production and the installation of the individual parts of the oil separator and / or its feed and discharge lines reduced become.
  • the installation space required for the individual parts of the oil separator and for its inlets and outlets can be reduced further.
  • the individual cyclones and / or the associated supply and discharge lines or parts thereof are particularly suitable as components of the internal combustion engine their cylinder head cover or their air filter housing.
  • the components mentioned offer on the one hand Open spaces or previous dead spaces in which the cyclones as well as other parts of the oil separator without additional space can be accommodated.
  • these are Components anyway in the vicinity or along the flow paths, which the crankcase ventilation gas as well Put the oil and the cleaned gas out of it have to.
  • the individual parts are preferred Die-cast parts made of light metal and / or injection molded parts made of plastic.
  • a main inflow channel 20 can be seen at the top right in FIG. 1, its outer, i.e. right end as a transition piece 28 with a line connecting piece 29, which in Cross section is circular, is formed. From the right seen to the left, i.e. in the direction of flow crankcase ventilation gas to be conducted through the oil separator 1, the inflow channel 20 becomes flatter and what is not visible in Figure 1, at the same time wider, whereby whose cross-sectional area is essentially constant remains.
  • the inflow channel 20 is divided into four individual Inflow channels or gas inlets 21 - 24, of which in Figure 1 only the channel or inlet 22 to the second cyclone 12 is visible. In this way the incoming gas flow distributed to the four cyclones 11-14, each a tangential flow occurs.
  • the oil separated in the cyclones 11-14 flows inside of cyclones 11-14 down and occurs at their lower end through an oil outlet 41 - 44 into one Collection funnel 48.
  • An oil outlet 41 - 44 into one Collection funnel 48.
  • At the center of the collection funnel 48 is at its lowest point a pipe connection piece 49 provided to which an oil return line to an oil sump of the associated internal combustion engine can be connected.
  • For the two cyclones 11 and 12 is the Course so that there is a right-handed gas flow, while with cyclones 13 and 14 the gas flow is done by turning to the left.
  • Inside each cyclone 11 - 14 the view falls through the corresponding one Gas outlet 31 - 34 on the bottom of the cyclone 11 - 14 arranged oil outlet 41 - 44.
  • At the bottom is in the background in Figure 2 is still a small part of the Collecting funnel 48 recognizable for the separated oil.
  • Figure 2 in particular shows that the incoming Gas flow without redirection and thus practically without increase the flow resistance to the four individual Cyclones 11-14 is distributed.
  • the gas flow to several cyclones results in an improved Oil separation, especially for smaller ones Quantities of vent gases, at the same time lower Sensitivity to fluctuations in the volume flow of the crankcase ventilation gas.
  • this can be made from a few individual parts, in the present Example from the main component 10, the transition piece 28, the combined gas outlets 31 - 34, the collecting hood 38 and the collecting funnel 48 manufacture.
  • connecting lines which are advantageously carried out as hoses are, as is known per se. alternative can individual or all connecting lines, at least over sections, into other components of the internal combustion engine be integrated in what the manufacturing and assembly separate lines reduced or even completely unnecessary makes.
  • the specified parts of the oil separator 1 are useful die-cast parts made of light metal or Injection molded plastic, one plastic too is to choose the thermal and chemical occurring Stress has grown.

Landscapes

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

Claims (10)

  1. Séparateur d'huile (1) pour le déshuilage des gaz émis lors de la reconduction des gaz provenant du carter moteur d'un moteur à combustion interne, le séparateur d'huile (1) comprenant un cyclone qui présente une admission de gaz reliée au carter moteur du moteur à combustion interne, une sortie de gaz reliée au système d'aspiration du moteur à combustion interne et une sortie d'huile reliée à un carter d'huile du moteur à combustion interne,
    caractérisé en ce que
    au lieu d'un seul cyclone, plusieurs cyclones (11, 12, 13, 14) plus petits, raccordés en parallèle, sont prévus.
  2. Séparateur d'huile selon la revendication 1, caractérisé en ce que les cyclones (11 à 14) sont réalisés avec un courant tangentiel.
  3. Séparateur d'huile selon la revendication 1 ou 2, caractérisé en ce que les corps des différents cyclones (11 à 14) présentent des axes médians s'étendant parallèlement les uns aux autres et sont regroupés en un élément formant corps de cyclone.
  4. Séparateur d'huile selon l'une quelconque des revendications précédentes, caractérisé en ce que les canaux d'écoulement (21 à 24) menant à chacune des admissions de gaz correspondant aux différents cyclones (11 à 14) se composent d'un canal de d'écoulement unique et principal (20) qui se dédouble ou se divise.
  5. Séparateur d'huile selon la revendication 4, caractérisé en ce que le canal d'écoulement principal (20) et les différents canaux d'écoulement (21 à 24) sont regroupés en un élément formant canal d'écoulement.
  6. Séparateur d'huile selon l'une quelconque des revendications 3 à 5, caractérisé en ce que l'élément formant corps de cyclone et l'élément formant canal d'écoulement sont regroupés en un organe principal (10).
  7. Séparateur d'huile selon la revendication 1 ou 2, caractérisé en ce que les différents cyclones (11 à 14) sont agencés de façon décentralisée dans le moteur à combustion interne et/ou sur celui-ci.
  8. Séparateur d'huile selon la revendication 7, caractérisé en ce que les différents cyclones (11 à 14) sont intégrés au moins en partie dans un ou plusieurs autres composants du moteur à combustion interne.
  9. Séparateur d'huile selon la revendication 8, caractérisé en ce que l'autre composant du moteur à combustion interne est le couvercle supérieur des soupapes ou le carter de filtre à air de celui-ci.
  10. Séparateur d'huile selon l'une quelconque des revendications précédentes, caractérisé en ce que les pièces dudit séparateur sont des pièces moulées sous pression en métal léger et/ou par injection en matière plastique.
EP00916937.6A 1999-03-18 2000-03-14 Deshuileur destine a deshuiler les gaz d'aeration du carter d'un moteur a combustion interne Expired - Lifetime EP1080298B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19912271 1999-03-18
DE19912271A DE19912271A1 (de) 1999-03-18 1999-03-18 Ölabscheider zur Entölung von Kurbelgehäuse-Entlüftungsgasen einer Brennkraftmaschine
PCT/EP2000/002230 WO2000057038A1 (fr) 1999-03-18 2000-03-14 Deshuileur destine a deshuiler les gaz d'aeration du carter d'un moteur a combustion interne

Publications (3)

Publication Number Publication Date
EP1080298A1 EP1080298A1 (fr) 2001-03-07
EP1080298B1 true EP1080298B1 (fr) 2003-07-30
EP1080298B2 EP1080298B2 (fr) 2018-08-29

Family

ID=7901552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00916937.6A Expired - Lifetime EP1080298B2 (fr) 1999-03-18 2000-03-14 Deshuileur destine a deshuiler les gaz d'aeration du carter d'un moteur a combustion interne

Country Status (7)

Country Link
US (1) US6279556B1 (fr)
EP (1) EP1080298B2 (fr)
JP (1) JP2002540338A (fr)
KR (1) KR100636758B1 (fr)
BR (1) BR0005393A (fr)
DE (4) DE19912271A1 (fr)
WO (1) WO2000057038A1 (fr)

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DE102005061256A1 (de) * 2005-12-20 2007-06-21 Günter Dr. Slowik Verfahren und Vorrichtung zur Entölung von Kurbelgehäuseentlüftungsgasen einer Brennkraftmaschine
DE202007003292U1 (de) 2007-03-02 2008-07-10 Hengst Gmbh & Co.Kg Ölabscheider mit mindestens einem Zyklon
DE102009040330A1 (de) 2009-09-07 2011-03-10 Fev Motorentechnik Gmbh Ölabscheider zur Entölung von Entlüftungsgasen aus einem Kurbelgehäuse einer Brennkraftmaschine
US9795898B2 (en) 2015-03-31 2017-10-24 Jci Cyclonics Ltd. Cyclonic separator system

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DE102005061256A1 (de) * 2005-12-20 2007-06-21 Günter Dr. Slowik Verfahren und Vorrichtung zur Entölung von Kurbelgehäuseentlüftungsgasen einer Brennkraftmaschine
DE202007003292U1 (de) 2007-03-02 2008-07-10 Hengst Gmbh & Co.Kg Ölabscheider mit mindestens einem Zyklon
DE102009040330A1 (de) 2009-09-07 2011-03-10 Fev Motorentechnik Gmbh Ölabscheider zur Entölung von Entlüftungsgasen aus einem Kurbelgehäuse einer Brennkraftmaschine
US9795898B2 (en) 2015-03-31 2017-10-24 Jci Cyclonics Ltd. Cyclonic separator system

Also Published As

Publication number Publication date
JP2002540338A (ja) 2002-11-26
DE50003081D1 (de) 2003-09-04
KR20010071280A (ko) 2001-07-28
KR100636758B1 (ko) 2006-10-20
DE19912271A1 (de) 2000-09-28
EP1080298B2 (fr) 2018-08-29
EP1080298A1 (fr) 2001-03-07
DE20023968U1 (de) 2008-03-06
US6279556B1 (en) 2001-08-28
DE20023969U1 (de) 2008-03-06
BR0005393A (pt) 2001-01-30
WO2000057038A1 (fr) 2000-09-28

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