EP2406469A1 - Hohlkörper mit integrierter ölabscheideeinrichtung - Google Patents
Hohlkörper mit integrierter ölabscheideeinrichtungInfo
- Publication number
- EP2406469A1 EP2406469A1 EP10700949A EP10700949A EP2406469A1 EP 2406469 A1 EP2406469 A1 EP 2406469A1 EP 10700949 A EP10700949 A EP 10700949A EP 10700949 A EP10700949 A EP 10700949A EP 2406469 A1 EP2406469 A1 EP 2406469A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- pressure
- cavity
- swirl generator
- oil
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- 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
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0475—Hollow camshafts
-
- 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
- F01M2013/0055—Layout of crankcase breathing systems having one or more deoilers with a by-pass
-
- 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
- F01M2013/0422—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 at least partially hollow cylindrical trained and hereinafter referred to as a hollow body body with integrated ⁇ labscheideeinrich- device according to the preamble of claim 1.
- the hollow body is formed by a camshaft.
- the present invention has for its object to provide a generic hollow body with integrated ⁇ labscheide issued by the safe operation of the same is guaranteed even at critical pressure conditions in the environment of ⁇ labscheide issued.
- a predetermined efficiency of oil separation should be ensured at different pressure conditions.
- the swirl generator arranged in the interior of the hollow body has means for variably influencing the pressure prevailing in the hollow space of the hollow body at a predetermined location.
- these means are designed such that at a pressure occurring at the predetermined location equal to or greater than a predetermined target pressure, an automatic reduction of the actual pressure is effected at this point.
- the swirl generator integrated in the hollow body is of any type and is characterized in that it has an axial bypass channel over its entire longitudinal extension into which a pressure-dependent bypass valve is integrated.
- the swirl generator is formed at least in regions such that the cavity of the hollow body is divided into two pressure-separated or separable pressure regions, oil-laden gas being able to be introduced into the cavity in the downstream pressure region seen in the flow direction via the first supply opening, and via a second upstream in the flow direction upstream pressure region via a second supply port also oil-laden gas can be fed.
- the first feed opening is arranged behind the pressure-separating part of the swirl generator, viewed in the flow direction
- the second feed opening viewed in the flow direction, is arranged in front of the separating part of the swirl generator.
- the Bypasskariai integrated bypass valve is designed as a spring-loaded check valve such that upon reaching or exceeding the predetermined pressure in the cavity of the hollow body, the bypass valve opens and the bypass channel is released, so that the two pressure ranges pressure and fluidically connected to each other - at least are long connected to each other as the pressure in the cavity is greater than or equal to the predetermined pressure.
- the means for variably influencing the pressure prevailing in the cavity is alternatively or additionally formed in that the swirl generator is designed as a body extending in the axial direction of the hollow body, which has at least one helical thread circumferentially, wherein the at least one helical flight at least Also, in such a way that when the prescribed pressure is reached or exceeded in the hollow space of the hollow body, the worm gear or worm gear section is displaced in the direction of flow, in particular against a restoring force, in a regionally displaceable manner on or to the base body of the swirl generator.
- FIG. 1 is a schematic representation of a detail of the hollow body according to the invention with an integrated swirl generator with integrated bypass channel and check valve,
- FIG. 2 is a schematic representation of the hollow body according to the invention with integrated spiral-shaped swirl generator and integrated bypass channel and bypass valve, and FIG
- FIG. 3 in a schematic representation of a detail of the hollow body according to the invention with a helically shaped swirl generator and a slidably mounted in the axial direction of the screw flight section, and
- Fig. 4 in a schematic representation of a detail of the hollow body with an integrated designed as a screw body swirl generator with slidably mounted worm gear and integrated Bypasskona! with check valve.
- Fig. 1 is a detail of a trained example as a camshaft hollow body 2 with an integrated swirl generator 4 is shown.
- the swirl generator 4 of any type and has along its longitudinal extent in the flow direction X seen on a continuous bypass channel 4a, in which a bypass valve 4b is integrated.
- the swirl generator 4 divides the cavity 2b of the camshaft 2 into pressure regions D1 and D2 which are separated from one another by pressure technology (or can be separated and reconnected via the by-pass valve 4b designed as a spring-loaded check valve).
- the first pressure region D 1 is located downstream of the swirl generator 4, while the second pressure region D 2 is upstream of the swirl generator 4.
- the part of the cavity 2b assigned to the first pressure region D1 is connected to the outer region A of the camshaft 2 via a first feed opening 20a, so that the blow-by gas to be cleaned can flow into the cavity 2b of the hollow body 2.
- a second supply port 20b is provided, via which also from the outer region A of the camshaft 2 oil-laden gas (blow-by-gas) to the cavity 2b in the pressure range D2 can be fed.
- Swirl generator 4 upstream pressure range D2 be monitored with regard to a corresponding overpressure.
- the bypass valve 4b may, for example, be designed as a non-return valve acted upon by a restoring force against the flow direction X.
- a hollow body 2 designed as a camshaft with integrated swirl generator 4 according to FIG. 1 is shown in an embodiment in which the swirl generator 4 is designed as a body extending in the axial direction of the hollow body 2 with at least one circumferentially arranged screw flight S.
- the axial body of the swirl generator 4 is traversed by a bypass channel 4a, which has a check valve or bypass valve 4b on its upstream side seen in the flow direction X.
- the bypass channel 4a opens in the end region of the swirl generator 4 in the cavity 2b of the hollow body 2, preferably at an angle between 0 ° and 110 ° degrees to the axis of the swirl generator 4, in particular at an angle in the range of 90 ° degrees.
- the bypass valve 4b is connected via upstream Zuzhouöffnu ⁇ gen 20b seen in the flow direction X to the outer region A of the camshaft 2 and is acted upon by the pressure of the blow-by gas. Absorbs a pump, not shown, which is seen in the flow direction X downstream coupled to the camshaft 2 too strong or the pressure of the blow-by gas in the outer region A of the camshaft 2 is too large, opens the bypass valve 4b and outputs the bypass channel 4a for the Blow-by-gas free. In this way, the pressure drop across the swirl generator 4 can be kept almost constant depending on the flow stream and the swirl generator 4 can be operated with a predetermined efficiency.
- the feed openings 20a and 20b for supplying the blow-by gas into the cavity 2b of the hollow body 2 are advantageously designed in the form of tangential bores.
- tangential bores in the camshaft wall are understood as meaning bores in which a bore wall enters the cavity 2b of the hollow body 2 continuously.
- FIG. 3 another possible embodiment of the hollow body 2 according to the invention is shown, in which the swirl generator 4 comprises means for variably influencing the prevailing in the cavity 2b at a predetermined location pressure, which is formed by the swirl generator 4 as a in axial Body extending in the direction of the hollow body 2 is formed, which has circumferentially at least one worm thread S wherein the at least one screw thread S at least partially or in sections (tendon) ckengang (section) S ') is mounted axially displaceably on the main body of the swirl generator 4 and the displaceable screw section or screw flight S 1 is acted upon with a restoring force F against the flow direction X.
- the swirl generator 4 comprises means for variably influencing the prevailing in the cavity 2b at a predetermined location pressure, which is formed by the swirl generator 4 as a in axial Body extending in the direction of the hollow body 2 is formed, which has circumferentially at least one worm thread S wherein the at least one screw thread S at least partially or in sections (tendon)
- At least one helical gear S or helical gear S ' is displaceable relative to another helical gear S or helical gear, so that the cross section of the helical flow path SW formed by the helical gear S can be actively changed or adjusted is.
- Such an active adjustment can be done for example by the gas flow of the blow-by gas itself.
- the worm gear (section) S ' is axially displaceably mounted on the main body of the swirl generator 4, the restoring force F of a spring trying to keep the worm gear (section) S 1 in a predetermined position.
- the pressure of the flowing blow-by gas which is necessary for adjusting the worm thread or worm gear section S ', and thus the desired setpoint pressure, are also determined via the return spring, which may also be adjustable in its spring force.
- the adjustment of the worm gear or the Scbneckengangabiteses S 1 can also be realized in the form of a manually operable slide.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009012401A DE102009012401A1 (de) | 2009-03-10 | 2009-03-10 | Hohlkörper mit integrierter Ölabscheideeinrichtung |
PCT/EP2010/000231 WO2010102689A1 (de) | 2009-03-10 | 2010-01-16 | Hohlkörper mit integrierter ölabscheideeinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2406469A1 true EP2406469A1 (de) | 2012-01-18 |
EP2406469B1 EP2406469B1 (de) | 2013-07-03 |
Family
ID=41698175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10700949.0A Active EP2406469B1 (de) | 2009-03-10 | 2010-01-16 | Hohlkörper mit integrierter ölabscheideeinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8496721B2 (de) |
EP (1) | EP2406469B1 (de) |
JP (1) | JP5528479B2 (de) |
CN (1) | CN102348870B (de) |
DE (1) | DE102009012401A1 (de) |
WO (1) | WO2010102689A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017114645A1 (de) | 2017-06-30 | 2019-01-03 | Thyssenkrupp Ag | Ventilschieber und Abscheider mit einem solchen Ventilschieber |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009012402A1 (de) * | 2009-03-10 | 2010-09-23 | Thyssenkrupp Presta Teccenter Ag | Wellenkörper mit integrierter Ölabscheideeinrichtung |
JP5186066B2 (ja) * | 2010-03-01 | 2013-04-17 | ジヤトコ株式会社 | 気液混合ガスの気液分離装置 |
DE102010022483B4 (de) * | 2010-06-02 | 2016-09-01 | Thyssenkrupp Presta Teccenter Ag | Welle, insbesondere Nockenwelle |
FR2967722B1 (fr) * | 2010-11-19 | 2015-11-13 | Peugeot Citroen Automobiles Sa | Dispositif permettant de transferer sous pression un fluide associe au fonctionnement d'un moteur thermique a quatre temps de vehicule |
DE102011000458A1 (de) † | 2011-02-02 | 2012-08-02 | Thyssenkrupp Presta Teccenter Ag | Welle, insbesondere Nockenwelle mit einem hohlen Wellenabschnitt |
CN103362595B (zh) * | 2013-07-04 | 2016-08-10 | 浙江吉利汽车研究院有限公司杭州分公司 | 一种具油气分离功能的凸轮轴组件 |
US9970476B2 (en) | 2016-02-19 | 2018-05-15 | GM Global Technology Operations LLC | Crankshaft assembly with core plug and method of manufacturing a crankshaft assembly |
CN106226972A (zh) * | 2016-08-31 | 2016-12-14 | 武汉光迅科技股份有限公司 | 一种半导体光放大器工作控制方法及系统 |
DE102017114646B4 (de) * | 2017-06-30 | 2023-08-03 | Thyssenkrupp Ag | Förder- und Verdichterelement, Hohlwelle, Verbrennungsmotor und Verfahren zum Reinigen von Blowby-Gasen |
JP7340318B2 (ja) * | 2019-12-20 | 2023-09-07 | 株式会社Subaru | 遠心式オイルミストセパレータ、レシプロエンジン及び航空機 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585044Y2 (ja) | 1979-04-16 | 1983-01-28 | 日産自動車株式会社 | 内燃機関のブロ−バイガス環元装置用オイルセパレ−タ |
JPS61175213A (ja) * | 1985-01-30 | 1986-08-06 | Honda Motor Co Ltd | エンジンにおけるカムケ−スのブリ−ザ装置 |
DE102004008826A1 (de) * | 2004-02-20 | 2005-09-08 | Mahle Filtersysteme Gmbh | Zentrifugal-Ölnebelabscheider in einem Verbrennungsmotor |
DE102004011177B4 (de) * | 2004-03-08 | 2014-07-31 | Reinz-Dichtungs-Gmbh | Zylinderkopfhaube mit Ölabscheider |
DE102005042725A1 (de) * | 2004-09-23 | 2006-04-27 | Mahle International Gmbh | Axialzyklon als Ölnebelabscheider eines Kraftfahrzeug-Verbrennungsmotors |
DE102005022254A1 (de) | 2005-05-10 | 2006-11-30 | Mahle International Gmbh | In eine axial hohle Nockenwelle eines Verbrennungsmotors integrierte Zentrifugal-Ölnebelabscheidereinrichtung |
US7717101B2 (en) * | 2005-05-10 | 2010-05-18 | Mahle International Gmbh | Centrifugal oil mist separation device integrated in an axial hollow shaft of an internal combustion engine |
DE102005034273A1 (de) * | 2005-07-22 | 2006-06-14 | Daimlerchrysler Ag | Brennkraftmaschine |
-
2009
- 2009-03-10 DE DE102009012401A patent/DE102009012401A1/de not_active Ceased
-
2010
- 2010-01-16 EP EP10700949.0A patent/EP2406469B1/de active Active
- 2010-01-16 CN CN201080010946.6A patent/CN102348870B/zh active Active
- 2010-01-16 US US13/255,795 patent/US8496721B2/en not_active Expired - Fee Related
- 2010-01-16 JP JP2011553296A patent/JP5528479B2/ja active Active
- 2010-01-16 WO PCT/EP2010/000231 patent/WO2010102689A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010102689A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017114645A1 (de) | 2017-06-30 | 2019-01-03 | Thyssenkrupp Ag | Ventilschieber und Abscheider mit einem solchen Ventilschieber |
DE102017114645B4 (de) | 2017-06-30 | 2019-04-18 | Thyssenkrupp Ag | Ventilschieber und Abscheider mit einem solchen Ventilschieber |
Also Published As
Publication number | Publication date |
---|---|
DE102009012401A1 (de) | 2010-09-23 |
WO2010102689A1 (de) | 2010-09-16 |
CN102348870B (zh) | 2014-05-07 |
JP2012519797A (ja) | 2012-08-30 |
EP2406469B1 (de) | 2013-07-03 |
US8496721B2 (en) | 2013-07-30 |
CN102348870A (zh) | 2012-02-08 |
JP5528479B2 (ja) | 2014-06-25 |
US20120023876A1 (en) | 2012-02-02 |
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