WO1998035141A1 - Schmieröleinfülleitung eines verbrennungsmotors mit ölnebelabscheider - Google Patents
Schmieröleinfülleitung eines verbrennungsmotors mit ölnebelabscheider Download PDFInfo
- Publication number
- WO1998035141A1 WO1998035141A1 PCT/DE1998/000050 DE9800050W WO9835141A1 WO 1998035141 A1 WO1998035141 A1 WO 1998035141A1 DE 9800050 W DE9800050 W DE 9800050W WO 9835141 A1 WO9835141 A1 WO 9835141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oil
- lubricating oil
- line
- filling line
- return
- Prior art date
Links
- 239000003921 oil Substances 0.000 title claims abstract description 97
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 53
- 239000003595 mist Substances 0.000 title claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 239000013049 sediment Substances 0.000 title abstract 8
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/355,298 US6089213A (en) | 1997-02-07 | 1998-01-03 | Lubricating oil fill line for an internal combustion engine, involving a oil mist sediment tank |
BR9807311-7A BR9807311A (pt) | 1997-02-07 | 1998-01-03 | Linha de alimentação de óleo lubrificante de um motor de combustão interna com tanque de sedimentação de névoa de óleo |
JP53350798A JP4037910B2 (ja) | 1997-02-07 | 1998-01-03 | オイルミストセパレータを備えた、内燃機関の潤滑油充填管路 |
DE59800110T DE59800110D1 (de) | 1997-02-07 | 1998-01-03 | Schmieröleinfülleitung eines verbrennungsmotors mit ölnebelabscheider |
EP98905225A EP0931207B1 (de) | 1997-02-07 | 1998-01-03 | Schmieröleinfülleitung eines verbrennungsmotors mit ölnebelabscheider |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19704594.4 | 1997-02-07 | ||
DE19704594A DE19704594A1 (de) | 1997-02-07 | 1997-02-07 | Schmieröleinfülleitung eines Verbrennungsmotors mit Ölnebelabscheider |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998035141A1 true WO1998035141A1 (de) | 1998-08-13 |
Family
ID=7819553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/000050 WO1998035141A1 (de) | 1997-02-07 | 1998-01-03 | Schmieröleinfülleitung eines verbrennungsmotors mit ölnebelabscheider |
Country Status (7)
Country | Link |
---|---|
US (1) | US6089213A (de) |
EP (1) | EP0931207B1 (de) |
JP (1) | JP4037910B2 (de) |
BR (1) | BR9807311A (de) |
DE (2) | DE19704594A1 (de) |
ES (1) | ES2145639T3 (de) |
WO (1) | WO1998035141A1 (de) |
Families Citing this family (16)
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2354722A (en) * | 1940-06-12 | 1944-08-01 | Air Maze Corp | Crankcase oil separator |
EP0395841A1 (de) | 1989-05-05 | 1990-11-07 | FILTERWERK MANN & HUMMEL GMBH | Einfüllöffnung für das Einfüllen von Schmieröl 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 |
US5579744A (en) * | 1994-07-02 | 1996-12-03 | Filterwerk Mann & Hummel Gmbh | Crankcase ventilator for internal combustion engines |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7507299U (de) * | 1975-07-10 | Audi Nsu Auto Union Ag | Gehäuse für eine Kraftmaschine | |
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 |
DE4017074A1 (de) * | 1990-05-26 | 1991-11-28 | Mann & Hummel Filter | Druckregelventil fuer die kurbelgehaeuseentlueftung an einer brennkraftmaschine |
-
1997
- 1997-02-07 DE DE19704594A patent/DE19704594A1/de not_active Withdrawn
-
1998
- 1998-01-03 DE DE59800110T patent/DE59800110D1/de not_active Expired - Lifetime
- 1998-01-03 EP EP98905225A patent/EP0931207B1/de not_active Expired - Lifetime
- 1998-01-03 BR BR9807311-7A patent/BR9807311A/pt not_active IP Right Cessation
- 1998-01-03 US US09/355,298 patent/US6089213A/en not_active Expired - Lifetime
- 1998-01-03 WO PCT/DE1998/000050 patent/WO1998035141A1/de active IP Right Grant
- 1998-01-03 ES ES98905225T patent/ES2145639T3/es not_active Expired - Lifetime
- 1998-01-03 JP JP53350798A patent/JP4037910B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2354722A (en) * | 1940-06-12 | 1944-08-01 | Air Maze Corp | Crankcase oil separator |
EP0395841A1 (de) | 1989-05-05 | 1990-11-07 | FILTERWERK MANN & HUMMEL GMBH | Einfüllöffnung für das Einfüllen von Schmieröl 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 |
US5579744A (en) * | 1994-07-02 | 1996-12-03 | Filterwerk Mann & Hummel Gmbh | Crankcase ventilator for internal combustion engines |
Also Published As
Publication number | Publication date |
---|---|
ES2145639T3 (es) | 2000-07-01 |
US6089213A (en) | 2000-07-18 |
EP0931207A1 (de) | 1999-07-28 |
EP0931207B1 (de) | 2000-03-29 |
DE59800110D1 (de) | 2000-05-04 |
DE19704594A1 (de) | 1998-08-13 |
JP2001510524A (ja) | 2001-07-31 |
BR9807311A (pt) | 2000-05-02 |
JP4037910B2 (ja) | 2008-01-23 |
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