EP3559419A1 - Internal combustion engine - Google Patents
Internal combustion engineInfo
- Publication number
- EP3559419A1 EP3559419A1 EP17801593.9A EP17801593A EP3559419A1 EP 3559419 A1 EP3559419 A1 EP 3559419A1 EP 17801593 A EP17801593 A EP 17801593A EP 3559419 A1 EP3559419 A1 EP 3559419A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- internal combustion
- combustion engine
- oil
- engine 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 34
- 238000005461 lubrication Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 1
- 238000010992 reflux Methods 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
- 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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- 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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- 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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
- F01M2011/023—Arrangements of lubricant conduits between oil sump and cylinder head
-
- 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
- F01M2013/0444—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with means for accommodating movement or position of engines
-
- 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
-
- 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
- F01M2013/0494—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 using check valves
Definitions
- the invention relates to an internal combustion engine with a centrally arranged oil return.
- Such internal combustion engines are known, for. Example from DE 197 15 061 C2, in which a ventilation device for a crankcase of an internal combustion engine is described, to which a cylinder head is fixed, which is covered by a cylinder head cover, wherein the ventilation device integrated into a substantially in the cylinder head cover and provided with baffles Olabscheider which is formed by an integrally connected to the cylinder head cover upper part and a bottom part, wherein the oil separator has an inlet, connected to the intake system of the internal combustion engine intake and an oil outlet, and wherein the baffles of the oil separator are formed by webs of the upper part.
- DE 101 19 924 B4 discloses an internal combustion engine for a motor vehicle with an oil conveyor for oil supply of lubrication points, wherein an oil pan is provided for collecting return oil, wherein in the oil pan, a separator is provided which the oil pan in a first and subdividing a second section, wherein a device for wet sump lubrication with a wet sump circuit, which is connected to the first section, and a device for dry sump lubrication with a dry sump circuit, which is connected to the second section, is provided, wherein the separator is located in Direction of the first section with wet sump lubrication opening check valve has.
- a cyclone oil separator for the crankcase ventilation of internal combustion engines known with an inlet nozzle for the oily crankcase air, which opens tangentially into a cyclone chamber in the separator housing, wherein the cross section of the inlet nozzle for generating an optimum pressure gradient or Is changeable to achieve optimal deposition.
- DE 31 22 851 A1 discloses a crankcase ventilation of an internal combustion engine with a stored in the valve chamber on the Kipphebelbock gogged cup-shaped container which is closed upwards relative to the valve housing cover with the interposition of an elastic seal, wherein the space located in the container on the one hand through the housing cover the intake system of the internal combustion engine and on the other hand by an oppositely disposed opening with the valve chamber or with the crankcase is in communication.
- the invention has for its object to reliably ensure the oil return in an internal combustion engine, even with a corresponding tilt.
- an internal combustion engine is provided, the at least one crankcase, at least one cylinder head, at least one cylinder head cover, at least one oil separator and at least one oil pan for collecting Sea noteworthy- the oil and at least one oil separator and the oil pan connecting oil return channel includes.
- the invention provides that the oil separator is arranged in the cylinder head cover.
- Another embodiment of the invention provides that the oil separator has a bulkhead toward the clean air part.
- the oil return channel is arranged at the lower end of the oil separator.
- the invention provides that the oil return passage is arranged centrally below the oil separator.
- Another embodiment of the invention provides that the oil return passage from the cylinder head cover into the cylinder head via at least one plug-in piece or an axial seal.
- a further development according to the invention provides that the oil return channel after entering the cylinder head extends obliquely outwards in the direction of a cylinder head screw and around it.
- the oil return channel is part of the cylinder head gasket so that the cylinder head gasket is given oil-carrying properties.
- the invention provides that the oil return channel is realized below the cylinder head gasket by means of a groove incorporated in the blank contour of the crankcase and merges into a substantially perpendicular to the oil pan pipe cross section.
- a further development according to the invention provides that the end of the oil return channel is provided with a check valve.
- FIG. 1 shows an internal combustion engine with maximum angle alpha and an oil return channel
- Figure 2 shows an internal combustion engine with maximum skew alpha and two oil return channels
- Figure 3 shows an internal combustion engine with centrally located oil return channel and bank beta.
- FIG. 1 shows an internal combustion engine with a maximum banking angle alpha and an oil return passage 7.
- the internal combustion engine has a crankcase 1, a cylinder head 2 and a cylinder head cover 3 arranged above the cylinder head 2, in which an oil separator 4 is arranged, which has a bulkhead 5 towards the clean air part.
- the separated oil 6 is arranged at the defined angle of inclination alpha in the oil separator 4 so that it just can not overflow from the oil separator 4.
- the oil return channel 7 is arranged at a lower end of the oil separator and is guided on an outer side of the internal combustion engine to the oil pan.
- FIG. 2 shows an internal combustion engine with a maximum inclination alpha and two oil return channels 7.
- the internal combustion engine has a crankcase 1, a cylinder head 2 and a cylinder head cover 3 arranged above the cylinder head 2, in which an oil separator 4 is arranged which projects a bulkhead 5 has to clean air part.
- the separated oil 6 is arranged at the defined angle of inclination alpha in the oil separator 4 so that it can not just overflow from the oil separator 4.
- the oil return channels 7 are each arranged at a lower end of the oil separator and are guided on an outer side of the internal combustion engine to the oil pan.
- FIG. 3 shows an internal combustion engine with a maximum angle of inclination beta and an oil return channel 7, wherein the angle beta is greater than the angle alpha.
- the internal combustion engine has a crankcase 1, a cylinder head 2 and a cylinder head cover 3 arranged above the cylinder head 2, in which an oil separator 4 is arranged, which has a bulkhead 5 towards the clean air part.
- the separated oil 6 is at the defined banking angle beta arranged in the oil separator 4, that just can not overflow from the oil separator 4.
- the oil return channel 7 is arranged centrally below the oil separator 4 and is led from the center of the cylinder head 2 in the direction of the cylinder head screw 8 to an outer side of the engine to the oil pan, that the cylinder head screw 8 is flowed around in a portion of the refluxing oil, wherein in the region of the cylinder head gasket the returning oil away from the cylinder head bolt and out is guided to the wall of the crankcase, z. B. in a purpose arranged in the crankcase 1 groove.
- a check valve is arranged at the lower end of the oil return passage 7, arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016015111.0A DE102016015111B4 (en) | 2016-12-20 | 2016-12-20 | Internal combustion engine |
PCT/EP2017/001297 WO2018114026A1 (en) | 2016-12-20 | 2017-11-08 | Internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3559419A1 true EP3559419A1 (en) | 2019-10-30 |
EP3559419B1 EP3559419B1 (en) | 2023-05-31 |
Family
ID=60421724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17801593.9A Active EP3559419B1 (en) | 2016-12-20 | 2017-11-08 | Internal combustion engine |
Country Status (5)
Country | Link |
---|---|
US (1) | US11111830B2 (en) |
EP (1) | EP3559419B1 (en) |
CN (1) | CN110088435B (en) |
DE (1) | DE102016015111B4 (en) |
WO (1) | WO2018114026A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6933700B2 (en) * | 2019-12-05 | 2021-09-08 | 本田技研工業株式会社 | Head cover structure |
US11548604B1 (en) * | 2020-10-02 | 2023-01-10 | Brunswick Corporation | Marine engine crankcase cover with integral oil cooler |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3122851A1 (en) | 1981-06-09 | 1982-12-30 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Positive crankcase ventilation of an internal combustion engine |
DE3128470C2 (en) | 1981-07-18 | 1983-05-11 | Bayerische Motoren Werke Ag, 8000 Muenchen | Cyclone oil separator |
US4602595A (en) * | 1984-03-01 | 1986-07-29 | Aisin Seiki Kabushiki Kaisha | Oil separator for internal combustion engine |
JP3166335B2 (en) * | 1992-10-08 | 2001-05-14 | 株式会社豊田自動織機製作所 | Compression liquefaction type oil mist condensation and separation equipment for internal combustion engines |
DE19703770C1 (en) | 1997-02-01 | 1998-07-23 | Daimler Benz Ag | Venting device with integrated oil separator for a crankcase of an internal combustion engine |
DE19703771C1 (en) | 1997-02-01 | 1998-06-25 | Daimler Benz Ag | Ventilation device for a crankcase of an internal combustion engine |
DE19715061C2 (en) | 1997-04-11 | 1999-01-21 | Daimler Benz Ag | Ventilation device for a crankcase of an internal combustion engine |
US6029638A (en) * | 1997-11-07 | 2000-02-29 | Honda Giken Kogyo Kabushiki Kaisha | Internal combustion engine with dry sump lubricating system |
GB9903614D0 (en) * | 1999-02-18 | 1999-04-07 | Perkins Engines Co Ltd | Breather System |
GB9903611D0 (en) * | 1999-02-18 | 1999-04-07 | Perkins Engines Co Ltd | Breather baffle |
AU2001243313A1 (en) * | 2000-02-29 | 2001-09-12 | Bombardier Inc. | Four stroke engine with cooling system |
DE10119924B4 (en) | 2001-04-23 | 2014-03-20 | Volkswagen Ag | Internal combustion engine with pressure circulation lubrication |
US6715461B2 (en) * | 2001-08-27 | 2004-04-06 | Honda Giken Kogyo Kabushiki Kaisha | System for lubricating valve-operating mechanism in engine |
JP4049006B2 (en) | 2003-04-24 | 2008-02-20 | 三菱自動車工業株式会社 | Cylinder head structure |
DE102004012160A1 (en) | 2004-03-12 | 2005-09-29 | Adam Opel Ag | Crankcase ventilation arrangement involves crankcase, cylinder head, cylinder head cover, all for an automotive vehicle, with cylinder head cover housing with at least one inner space |
DE102004041110B4 (en) * | 2004-08-24 | 2018-12-20 | Mahle Filtersysteme Gmbh | Internal combustion engine and associated cylinder head cover |
DE102005048331A1 (en) | 2005-10-08 | 2007-04-19 | Daimlerchrysler Ag | Cylinder head for internal combustion engine has inner hood forming one-piece unit with upper bearing parts and upper oil chamber containing gas exchange valves and associated actuating elements |
JP4169763B2 (en) * | 2006-03-20 | 2008-10-22 | 小島プレス工業株式会社 | Oil separator for blow-by gas |
JP4225327B2 (en) * | 2006-07-11 | 2009-02-18 | トヨタ自動車株式会社 | Oil return structure for internal combustion engine |
DE102007008672A1 (en) * | 2007-02-20 | 2008-09-04 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Cylinder head cover for an internal combustion engine |
DE102008058920A1 (en) | 2008-11-25 | 2010-05-27 | Fev Motorentechnik Gmbh | Internal-combustion engine, has oil separator including discharge channel, where oil measuring element and discharge channel are extended within common channel i.e. oil return channel, of engine compartment |
BR112012006363A2 (en) | 2010-01-11 | 2016-03-29 | Cummins Filtration Ip Inc | drainage pipes for multi-stage air-oil separator and impactor system |
CN101943078A (en) * | 2010-08-24 | 2011-01-12 | 重庆长安汽车股份有限公司 | Cylinder head of internal combustion engine |
DE102013212104B4 (en) | 2013-06-25 | 2021-06-10 | BRUSS Sealing Systems GmbH | Cylinder head cover with check valve for an oil return in the crankcase ventilation of an internal combustion engine |
US10533470B2 (en) * | 2013-11-08 | 2020-01-14 | Honda Motor Co., Ltd. | Oil separation device for internal combustion engine |
EP3184765B1 (en) * | 2015-12-21 | 2018-06-20 | Aisin Seiki Kabushiki Kaisha | Oil separator |
-
2016
- 2016-12-20 DE DE102016015111.0A patent/DE102016015111B4/en active Active
-
2017
- 2017-11-08 WO PCT/EP2017/001297 patent/WO2018114026A1/en unknown
- 2017-11-08 EP EP17801593.9A patent/EP3559419B1/en active Active
- 2017-11-08 US US16/467,838 patent/US11111830B2/en active Active
- 2017-11-08 CN CN201780078511.7A patent/CN110088435B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN110088435B (en) | 2021-07-27 |
US11111830B2 (en) | 2021-09-07 |
DE102016015111A1 (en) | 2018-06-21 |
DE102016015111B4 (en) | 2021-10-14 |
CN110088435A (en) | 2019-08-02 |
US20200191029A1 (en) | 2020-06-18 |
EP3559419B1 (en) | 2023-05-31 |
WO2018114026A1 (en) | 2018-06-28 |
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