EP0931207A1 - Conduite de remplissage d'huile de graissage d'un moteur a combustion interne a l'aide d'un decanteur de brouillard d'huile - Google Patents

Conduite de remplissage d'huile de graissage d'un moteur a combustion interne a l'aide d'un decanteur de brouillard d'huile

Info

Publication number
EP0931207A1
EP0931207A1 EP98905225A EP98905225A EP0931207A1 EP 0931207 A1 EP0931207 A1 EP 0931207A1 EP 98905225 A EP98905225 A EP 98905225A EP 98905225 A EP98905225 A EP 98905225A EP 0931207 A1 EP0931207 A1 EP 0931207A1
Authority
EP
European Patent Office
Prior art keywords
oil
lubricating oil
line
filling line
return
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
Application number
EP98905225A
Other languages
German (de)
English (en)
Other versions
EP0931207B1 (fr
Inventor
Mike Laudien
Rolf Möhle
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.)
Mahle Filtersysteme GmbH
Original Assignee
Knecht Filterwerk GmbH
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 Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Publication of EP0931207A1 publication Critical patent/EP0931207A1/fr
Application granted granted Critical
Publication of EP0931207B1 publication Critical patent/EP0931207B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F01M2013/0488—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 lubricating oil filling line of an internal combustion engine with an oil mist separator for crankcase ventilation attached in the filling area thereof.
  • the invention is concerned with the problem of improving such an object functionally and constructively.
  • a major advantage of the invention is that the return oil can flow into a space in which there is a lower gas pressure than in the crankcase area from which the oil mist to be freed from when the oil is carried out Crankcase ventilation is withdrawn.
  • the device according to the invention can be made compact by using an overflow container to be provided at any point at the drain end of the oil return line.
  • the lubricating oil filling line can be designed together with the return oil line, a crankcase ventilation line and the overflow tank as a so-called module part which can be handled in a uniform manner and which can be flanged to an internal combustion engine.
  • the oil mist separator is part of the module formed by the lubricating oil filling line, this oil mist separator being connected to the lubricating oil filling line in a manner that is easily separable.
  • a certain vertical distance between the oil mist separator and the bottom of the expansion tank is required so that a liquid level counteracting the excess pressure in the adjacent gas space can form in the return oil line without penetrating into the oil mist separator to such an extent that its function is impaired.
  • the overflow tank must have a sufficient filling volume so that sufficient liquid is available in the return oil line for gas pressure equalizing rising.
  • the above-mentioned vertical distance between the oil mist separator and the bottom of the overflow tank on the one hand and the filling volume of this tank on the other hand is designed so that in all operating conditions on the one hand, no return oil in the oil mist separator just impairs the function can flow back or is accumulated there and that, on the other hand, sufficient liquid is available in the overflow container for a maximum rise height of the oil in the return line.
  • the opening of the overflow container is advantageously arranged inside the lubricating oil filling line in such a way that lubricating oil which is filled into the lubricating oil filling line must inevitably fill the overflow container.
  • a compact design with regard to the connection of the oil mist separator to the lubricating oil filling line results when the oil mist is removed through the lubricating oil filling line by means of a connection line provided for this purpose between the oil mist separator and the lubricating oil filling line.
  • the connection of the last-mentioned line to the lubricating oil filling line is expediently in the direct vicinity of the return oil line.
  • the oil mist separator can be fastened to the lubricating oil filler line via a flange connection with plug-in closures.
  • the return oil line is expediently located in the interior of the lubricating oil filling line. There this line can be designed to be separable via a plug connection.
  • the overflow container can advantageously be firmly connected.
  • Fastening means provided on the return oil line in the area of the overflow container can be releasably fastened to the lubricating oil filling line.
  • the complete part to be designed as a module can be produced in a simple manner as a plastic part which can be attached to the internal combustion engine via a flange connection.
  • FIG. 1 This shows a longitudinal section in schematic representation of a lubricating oil filling line with an attached oil mist separator and a return oil line leading into an overflow tank.
  • a lubricating oil filling line 1 can be fastened via a flange 2 to a region of an internal combustion engine 3 which is connected to the crank chamber of the internal combustion engine 3. Through an opening in this area of an outer wall of the engine, the interior of the lubricating oil filler line 1 communicates with the crank chamber through the flange connection 14. Lubricating oil can be filled in at the upper opening of the lubricating oil filling line 1 which can be closed by a cover 15.
  • An oil mist separator 5 is detachably connected to the lubricating oil filling line 1 in its upper region via a flange connection 4.
  • the oil mist separator is in particular a cyclone separator.
  • the oil mist to be freed of oil passes into the oil mist separator 5 via a crankcase ventilation line 6 which can be interrupted in the flange connection 4.
  • the vented air freed from oil leaves the oil mist separator 5 via a nozzle 7.
  • the oil separated in the oil mist separator 5 is fed into the interior of the lubricating oil filling line 1 via a return oil line 8 which can be separated in the flange connection 4.
  • the lines 6 and 8 of the flange connection 4 can be separated by means of plug connections.
  • the return oil line 8 extends vertically down to the bottom of an overflow tank 9.
  • a part of the return oil line 8 starting from the bottom of the overflow tank 9 is designed as a part that can be separated from the upper part of this line via a plug connection 10.
  • the overflow tank 9 is also fastened to the part of the internal combustion engine 3 to which the lubricating oil filling line 1 is fastened. This attachment is releasable and is indicated schematically in the drawing in area 11.
  • a detachable connection between the overflow tank 9 and the lower detachable part of the return oil line 8 is indicated schematically in regions 12.
  • the opening of the overflow container 9 is widened in a funnel shape at least in a partial circumferential region 13, in order thereby to ensure that the overflow container 9 is forcibly filled when the lubricating oil filling line 1 is filled.
  • the vertical distance between the oil mist separator 5 and the bottom of the overflow tank 9 is to be interpreted in such a way that due to a Filling line 1 and the return oil drain chamber of the oil mist separator 5 existing pressure difference no oil rising to equalize the pressure in the return oil line 8 can penetrate into the oil mist separator even under the most unfavorable operating conditions.
  • the filling volume of the overflow container 9 must of course also be designed to be correspondingly large.
  • the modular component according to the invention consisting of the lubricating oil filler line 1, the oil separator 5, the crank chamber ventilation line 6, the return oil line 8 with an associated overflow tank 9 can also be provided with an oil dipstick (not shown).

Landscapes

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

Abstract

Dans un système de conduite de remplissage d'huile de graissage pour moteur à combustion interne, doté d'un décanteur de brouillard d'huile (5) installé dans la zone de remplissage et destiné à assurer la ventilation du carter, l'huile sortant du décanteur de brouillard d'huile revient dans le carter en tant qu'huile de retour sous l'effet de la pesanteur. Ledit système présente les caractéristiques suivantes: pour l'huile de retour est prévue une conduite de retour partant du décanteur de brouillard d'huile; l'extrémité distale de cette conduite par rapport audit décanteur conduit à la zone de fond d'un réservoir de transfert spécialement conçue pour recevoir et réacheminer l'huile de retour; à l'orifice de trop-plein du réservoir de débordement s'exerce une pression gazeuse correspondant à celle à laquelle est soumis le brouillard d'huile quand il parvient au décanteur (5). Une telle installation permet de gagner de la place lors de la fabrication. Par ailleurs, le fait d'assurer un écart de pression entre l'air à épurer à l'intérieur du carter, à l'orifice d'admission dans le décanteur et, d'autre part, l'huile précipitée à l'orifice d'évacuation du décanteur permet d'obtenir une bonne décantation de l'huile.
EP98905225A 1997-02-07 1998-01-03 Conduite de remplissage d'huile de graissage d'un moteur a combustion interne a l'aide d'un decanteur de brouillard d'huile Expired - Lifetime EP0931207B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19704594A DE19704594A1 (de) 1997-02-07 1997-02-07 Schmieröleinfülleitung eines Verbrennungsmotors mit Ölnebelabscheider
DE19704594 1997-02-07
PCT/DE1998/000050 WO1998035141A1 (fr) 1997-02-07 1998-01-03 Conduite de remplissage d'huile de graissage d'un moteur a combustion interne a l'aide d'un decanteur de brouillard d'huile

Publications (2)

Publication Number Publication Date
EP0931207A1 true EP0931207A1 (fr) 1999-07-28
EP0931207B1 EP0931207B1 (fr) 2000-03-29

Family

ID=7819553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98905225A Expired - Lifetime EP0931207B1 (fr) 1997-02-07 1998-01-03 Conduite de remplissage d'huile de graissage d'un moteur a combustion interne a l'aide d'un decanteur de brouillard d'huile

Country Status (7)

Country Link
US (1) US6089213A (fr)
EP (1) EP0931207B1 (fr)
JP (1) JP4037910B2 (fr)
BR (1) BR9807311A (fr)
DE (2) DE19704594A1 (fr)
ES (1) ES2145639T3 (fr)
WO (1) WO1998035141A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912271A1 (de) * 1999-03-18 2000-09-28 Hengst Walter Gmbh & Co Kg Ölabscheider zur Entölung von Kurbelgehäuse-Entlüftungsgasen einer Brennkraftmaschine
DE19948163A1 (de) * 1999-10-07 2001-04-12 Volkswagen Ag Vorrichtung für die Kurbelgehäuse/Zylinderkopf-Entlüftung eines Verbrennungsmotors
JP3971082B2 (ja) * 2000-05-11 2007-09-05 本田技研工業株式会社 内燃機関用潤滑装置
AT411091B (de) * 2000-11-30 2003-09-25 Kirchberger Roland Dipl Ing Viertakt-verbrennungsmotor
FR2868468B1 (fr) * 2004-04-06 2008-03-21 Renault Sas Dispositif de retour d huile formant siphon pour moteur a combustion interne
JP4517831B2 (ja) * 2004-11-30 2010-08-04 株式会社豊田自動織機 内燃機関
DE102008022818A1 (de) * 2008-05-08 2009-11-12 Hengst Gmbh & Co.Kg Ölabscheider mit Siphon
US8347865B2 (en) * 2011-05-09 2013-01-08 Ford Global Technologies, Llc System and method for returning oil separated from engine crankcase gases
US20130025564A1 (en) * 2011-07-28 2013-01-31 Electro-Motive Diesel, Inc. Oil separator for crankcase ventilation
US9080478B2 (en) * 2013-01-21 2015-07-14 Ford Global Technologies, Llc Oil separator
GB201409064D0 (en) * 2014-05-21 2014-07-02 Castrol Ltd Method and apparatus
DE202015000384U1 (de) * 2015-01-17 2016-04-20 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Verschlusseinrichtung für einen Kraftfahrzeugmotor
JP7047434B2 (ja) * 2018-02-13 2022-04-05 いすゞ自動車株式会社 オイル戻し構造
FR3092360B1 (fr) * 2019-02-05 2021-04-30 Sogefi Filtration Spa Dispositif séparateur doté d’au moins un cyclone et procédé, pour séparer l’huile des gaz de carter d’un moteur à combustion interne
DE102019004377A1 (de) 2019-06-19 2020-12-24 Deutz Aktiengesellschaft Ölrücklaufventil für ein Kurbelgehäuseentlüftungssystem
CN114251153B (zh) * 2020-09-24 2023-03-10 北京汽车动力总成有限公司 一种曲通管路结构及车辆

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7507299U (de) * 1975-07-10 Audi Nsu Auto Union Ag Gehäuse für eine Kraftmaschine
US2354722A (en) * 1940-06-12 1944-08-01 Air Maze Corp Crankcase oil separator
GB1495870A (en) * 1976-02-04 1977-12-21 Ford Motor Co Crankcase breathers for internal combustion engines
US4169432A (en) * 1977-03-31 1979-10-02 Ford Motor Company Integrated PCV valve and oil filler cap
US4401093A (en) * 1982-06-09 1983-08-30 Ford Motor Company Oil fill/air breather cap with integral oil separator
US4768493A (en) * 1984-04-27 1988-09-06 Honda Giken Kogyo Kabushiki Kaisha Blow-by gas heating system for internal combustion engines
DE3914759A1 (de) 1989-05-05 1990-11-08 Mann & Hummel Filter Einfuelloeffnung fuer das einfuellen von schmieroel in eine brennkraftmaschine
DE3938919C1 (en) * 1989-11-24 1990-12-13 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Oil separator for vent gases from engine crankcase - comprises housing contg. rotation-symmetrical filter through which vent gas flows outwards to cleaning space
DE4017074A1 (de) * 1990-05-26 1991-11-28 Mann & Hummel Filter Druckregelventil fuer die kurbelgehaeuseentlueftung an einer brennkraftmaschine
DE9410668U1 (de) * 1994-07-02 1994-08-18 Filterwerk Mann + Hummel GmbH, 71638 Ludwigsburg Kurbelgehäuse für Brennkraftmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9835141A1 *

Also Published As

Publication number Publication date
DE59800110D1 (de) 2000-05-04
ES2145639T3 (es) 2000-07-01
US6089213A (en) 2000-07-18
DE19704594A1 (de) 1998-08-13
BR9807311A (pt) 2000-05-02
WO1998035141A1 (fr) 1998-08-13
JP4037910B2 (ja) 2008-01-23
EP0931207B1 (fr) 2000-03-29
JP2001510524A (ja) 2001-07-31

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