EP2906805A1 - Zylinderkopfeinrichtung für eine verbrennungskraftmaschine sowie verbrennungskraftmaschine mit einer solchen zylinderkopfeinrichtung - Google Patents
Zylinderkopfeinrichtung für eine verbrennungskraftmaschine sowie verbrennungskraftmaschine mit einer solchen zylinderkopfeinrichtungInfo
- Publication number
- EP2906805A1 EP2906805A1 EP13771392.1A EP13771392A EP2906805A1 EP 2906805 A1 EP2906805 A1 EP 2906805A1 EP 13771392 A EP13771392 A EP 13771392A EP 2906805 A1 EP2906805 A1 EP 2906805A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- lubricant
- head device
- line
- line region
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/38—Cylinder heads having cooling means for liquid cooling the cylinder heads being of overhead valve type
-
- 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
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- 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
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
Definitions
- Cylinder head device for an internal combustion engine as well
- the invention relates to a cylinder head device for an internal combustion engine according to the preamble of patent claim 1 and to an internal combustion engine with such a cylinder head device.
- the cylinder head device comprises a cylinder head, which has at least one arranged on an inlet side of the cylinder head, first receiving area for at least one cylinder head to be stored on the first camshaft.
- the cylinder head also has at least one second receiving area arranged on an exhaust side of the cylinder head facing away from the inlet side for at least one second camshaft to be supported on the cylinder head.
- the camshafts serve to actuate
- Gas exchange valves which the inflow and outflow of gas in and out
- the cylinders are formed for example by a crankcase of the engine designed as a reciprocating internal combustion engine, wherein the cylinder head is connectable or connected to the crankcase.
- Such a cylinder head device can be found, for example, in DE 10 2009 020 100 A1 as known. Your cylinder head has a sealing surface over which the
- Cylinder head with a cylinder head cover is connectable. Furthermore, the cylinder head has respective sealing flange surfaces, via which an exhaust gas module and an intake module can be connected to the cylinder head. It is provided that the sealing surface is integrated into the respective Dichtflansch configuration. It has been found that in the case of conventional cylinder head devices, the supply of lubricant to at least one element can be realized only with great difficulty. To guide the lubricant, in particular lubricating oil, to the corresponding, to be supplied with the lubricant element complex wiring and a plurality of line elements may be provided, resulting in a high space requirement, high weight and high cost of the cylinder head device result.
- Such an element to be supplied with lubricant may be
- the element may be a phase adjustment device, by means of which a phase adjustment of at least one of the camshafts relative to a crankshaft of the internal combustion engine can be carried out.
- phase adjustment device is known for example from DE 10 2008 031 976 A1.
- the phase adjustment can be hydraulically actuated
- Hydraulic fluid can be supplied and thereby actuated.
- the supply of such a phase adjustment with lubricant has proven to be particularly costly.
- DE 697 07 213 T2 discloses such a phase adjustment, which is very expensive to supply with lubricant as hydraulic fluid.
- An element of the cylinder head device which is to be supplied with lubricant can also be at least one valve play compensation element, by means of which a valve clearance of at least one of the gas exchange valves can be compensated. Also the
- Receiving areas are at least partially separated from each other, wherein in the intermediate wall at least one conduit element extends, via which at least one element of the cylinder head device can be supplied with lubricant.
- the lubricant With a very small line length, with only a very small number of parts and thus particularly cost and weight favorable to the lubricant to
- the conduit element in the intermediate wall can thus have a central
- the line element is coupled for example with a lubricant circuit of the internal combustion engine, so that the lubricant in the
- Conduit element can flow in a simple manner.
- Conduit element fluidly connected channel provided over which the
- Lubricant is fed to the element.
- lubricant can thus be branched off from the line element in a cost-effective and space-saving manner and guided to the element, ie transferred to the element.
- This is also a particularly needs-based supply of the element or of several, with Lubricant to be supplied elements of the cylinder head device possible, since the lubricant from the line member at at least substantially arbitrary points of the line element us thus branched off as needed and the element can be fed.
- This also makes it possible to supply the element with only a very small line length with the lubricant. This allows the
- the conduit element in the intermediate wall is produced, for example, by at least one bore and / or during casting of the cylinder head by means of at least one core element.
- the line element can also be produced in other ways.
- the transfer element at least partially surrounds one of the camshafts, which is mounted on the cylinder head, wherein the channel of the transfer element fluidly with at least one in the
- Camshaft extending, second channel is fluidly connected, and wherein via the second channel, the lubricant is supplied to the element.
- Lubricants are supplied in a particularly simple manner in the radial direction of the camshaft or its second channel. Such a radial feed of the
- Lubricant keeps the axial space requirement of the cylinder head device low, since a complex, axial supply of the lubricant can be avoided.
- the supply of such a phase adjustment with lubricant is particularly complex, complex and costly.
- phase adjustment device can be supplied via the second channel of the camshaft with the lubricant, by means of which the phase adjustment device can be actuated.
- Lubricant to be supplied element as formed by means of the lubricant and thus hydraulically actuated valve lash adjuster for compensating a valve clearance of at least one gas exchange valve Conventionally, the supply of such a valve clearance compensation element is only very complex feasible with high line lengths. This problem can in the inventive
- Cylinder head device can be avoided due to the supply of the valve lash adjuster via the running in the intermediate wall line member.
- the conduit element is designed as a riser conduit at least in a partial region, which has a first conduit region and a fluid conduit which adjoins the first conduit region and is fluidic with the first conduit region
- the first line region extends with respect to a flow direction of the lubricant through the riser (line member) in the vertical direction of the cylinder head device from bottom to top. Furthermore, the first line region opens into the second line region.
- the second Line region extends from top to bottom with respect to the flow direction of the lubricant in the vertical direction of the cylinder head.
- any air present in the lubricant can collect in an upper region of the riser, escape from the lubricant and be discharged, for example.
- advantageous embodiment of the invention branches from the second
- Line region from at least a third line region of the line element, via which the valve lash adjuster element, the lubricant is supplied. Since the lubricant is supplied to the third line region via the second line region, the second line region can, in particular, be deactivated when the second line region is deactivated
- Combustion engine act as a collection volume, in which a
- lubricant retention volume When deactivating the internal combustion engine, lubricant can then flow from the second line region acting as collecting volume into the third line region and on to the valve lash adjuster element, so that the lash adjuster element can not idle with lubricant.
- a particularly large collection volume for lubricant is through the second
- Collection volume can be used.
- the second line region opens into the third line region.
- a particularly large lubricant storage volume can be realized.
- the invention also includes an internal combustion engine for a motor vehicle, in particular a passenger car, with an inventive
- Cylinder head assembly Due to the fact that the at least one element of the cylinder head device can be supplied with lubricant via the line element running in the intermediate wall, the number of supply lines in the cylinder head device and / or in a control housing cover of the internal combustion engine can be particularly high be kept low. As a result, a particularly small space requirement, a particularly low weight and low cost of the internal combustion engine can be realized. Furthermore, lubricant transfer points to the control housing cover and lubricant supply holes and lubricant transfer devices can be omitted, which benefits the small space requirement and the low cost.
- FIG. 1 shows a detail of a schematic sectional view of a cylinder head of a cylinder head device for an internal combustion engine, with two opposite receiving areas for a respective
- Camshaft wherein the receiving areas are separated by an intermediate wall, and wherein in the intermediate wall, a conduit element extends, via which a plurality of elements of the
- Cylinder head device can be supplied with lubricant
- Fig. 2 is a fragmentary, schematic longitudinal sectional view of
- FIG. 3 a detail of a further schematic sectional view of the
- FIG. 4 a detail of a schematic longitudinal sectional view of the
- Fig. 1 shows a cylinder head 10 of a designated as a whole with 12 cylinder head device for a trained as a reciprocating internal combustion engine internal combustion engine of a motor vehicle, in particular a
- the internal combustion engine comprises an unrecognizable in Fig. 1
- Cylinder crankcase with a plurality of combustion chambers in the form of cylinders, in which in a fired operation of the internal combustion engine
- the cylinder head 10 has an inlet side 14, which is also referred to as suction side or suction side. On the inlet side 14 are inlet channels of the
- Cylinder head 10 is provided, via which a gas, for example air or an air-fuel mixture, can flow into the cylinder.
- a gas for example air or an air-fuel mixture
- the inlet channels are fluidly connected to the cylinders.
- Camshaft in the form of an intake camshaft 18 is provided.
- the intake camshaft 18 is arranged in the first receiving area 16 and over in the first
- Cylinder head 10 rotatably mounted about an axis of rotation relative to the cylinder head.
- the axis of rotation extends in an indicated by a direction arrow 20 longitudinal direction of the cylinder head device 12, wherein the longitudinal direction of the cylinder head device 12 with the longitudinal direction of the crankcase and the entire
- a direction arrow 22 and a high direction of the cylinder head device 12 and the internal combustion engine is indicated as a whole. Further, a directional arrow 24 indicates the transverse direction of the
- the cylinder head 10 also has an outlet side 26 facing away from the inlet side 14, which is usually also referred to as exhaust side and the inlet side 14 opposite.
- respective outlet channels of the cylinder head 10 are provided, which are fluidically connected to the cylinders and via which exhaust gas formed during the fired operation can flow out of the cylinders.
- a second receiving area 28 is also provided for a second camshaft in the form of an exhaust camshaft 30.
- the exhaust camshaft 30 is in arranged second receiving area 28 and rotatably mounted on provided in the second receiving portion 28, not visible in Fig. 1 bearing points on the cylinder head 10 about an axis of rotation relative to the cylinder head 10. This axis of rotation extends in the longitudinal direction of the cylinder head 10th
- the intake camshaft 18 serves to actuate gas exchange valves in the form of intake valves which control the flow of gas through the intake ports into the cylinders. Accordingly, the exhaust camshaft 30 serves to control
- Gas exchange valves in the form of exhaust valves which control the outflow of exhaust gas from the cylinders.
- the intake camshaft 18 and the exhaust camshaft 30, which are collectively referred to as camshafts, are driven by a crankshaft of the internal combustion engine via a drive, for example via a belt or chain drive.
- Receiving areas 16, 28 an intermediate wall in the form of a central web 32 of the cylinder head 10 is arranged, which - related to the transverse direction of the
- Cylinder head 10 - is arranged at least substantially in the center of the cylinder head 10.
- the receiving regions 16, 28 are separated from one another at least in regions, in particular fluidically, with respect to the longitudinal direction.
- At least one line element 34 extends in the middle web 32 (intermediate wall), which is provided with a lubricant circuit through which a lubricant, in particular lubricating oil, can flow
- the line element 34 can be flowed through by the lubricant. Via the line element 34, a plurality of elements of the cylinder head device 12 can be supplied with lubricant.
- the line element 34 is designed as a riser 36 at least in a partial area and has a first line area 38 and a second line area 40 adjoining the first line area 38 and fluidically connected to the first line area 38.
- the first line region 38 opens into the second line region 40.
- the second line region 40 immediately adjoins the first line region 38.
- the first line region 38 extends in the vertical direction (directional arrow 32) of the lubricant through the riser line 36 relative to a flow direction of the lubricant
- Cylinder head 10 from bottom to top, so that thereby the lubricant is guided by means of the first line portion 36 from bottom to top.
- the second conduit portion 40 extends with respect to
- the first line region 38 extends obliquely to the vertical direction and encloses an acute angle with the latter, while the second line region 40 extends at least substantially in the vertical direction.
- the lubricant flows in a high, in particular the uppermost, region 42 from the first conduit region 38 to the second conduit region 40, so that the air possibly in the lubricant flows in the area 42 upwards and can flow out of the lubricant.
- Lubricant in the vertical direction from bottom to top leads to line member 34.
- transfer elements 44, 46 of the cylinder head device 12 can be seen.
- the transfer elements 44, 46 are formed separately from the cylinder head 10 and have - as can be seen in particular from FIGS. 2 and 4 - a respective first channel 48, which is fluidically connected to the line element 34. As a result, the lubricant can flow from the line element 34 into the first channel 48.
- the transfer elements 44, 46 are sealed against the cylinder head 10 by means of a respective sealing element 50.
- the transfer elements 44, 46 completely surround the respective camshafts on the outer peripheral side in the circumferential direction. In other words, the transfer elements 44, 46 have a respective passage opening, which is penetrated by the respective camshaft.
- the camshafts have a respective, second channel 52, which has respective ones
- Fig. 4 is as one of the supplied with the lubricant elements a
- Phase Verstellelie 56 recognizable, wherein the phase adjustment device 56 is actuated by means of the lubricant. Control times of the gas exchange valves associated with the corresponding camshaft can be set by means of the phase-adjusting device, in which phase adjustment of the corresponding camshaft relative to the crankshaft can be carried out.
- the second channel 52 flowing through the lubricant can
- Phase Verstellel 56 are supplied via further through-holes 58 of the corresponding camshaft (intake camshaft 18 and / or exhaust camshaft 30) and thereby actuated.
- the phase adjusting device 56 is thus connected via the conduit member 34 from within the receiving areas 16, 28, i. in the transverse direction of an area between the receiving areas 16, 28 and thus particularly simple, space and cost supplied with the lubricant.
- Lubricant the phase adjusting 56 are supplied with only a very small line length.
- phase adjusting device 56 the lubricant in the radial direction of the camshaft and not be supplied in the axial direction. This keeps the axial space requirement of the cylinder head device 12 particularly low. Furthermore, to realize this radial supply of the lubricant for
- Camshaft on the cylinder head 10 is not required.
- the radial supply of the lubricant to the camshaft and to the phase-shifting device 56 in the radial direction can also be realized without slide bearings. This makes it possible for the Camshaft bearings by means of a rolling bearing particularly low friction on the cylinder head 10.
- a rolling bearing 60 of the rolling bearing can be seen, which is presently designed as a ball bearing and via which the corresponding camshaft
- Valve play compensation elements 64 are provided, by means of which a respective, possible valve clearance of the respective gas exchange valves can be compensated.
- Valve clearance compensation elements 64 are actuated by means of the lubricant and thus hydraulically. Via the line element 34, the lubricant can also be supplied to the valve clearance compensation elements 64 in a particularly simple manner. As in
- a third line region 66 of the line element branches off from the second line region 40, the third one branching off
- Line region 66 extends at least substantially in the transverse direction.
- Valve lash adjusters 64 are directed on the inlet side 14.
- the lines 68, 70 can thus via only one channel in the form of the third line region 66, which is formed for example as a throttle bore, to the
- Lubricant supply be connected and thus be supplied in a particularly simple manner with a very short line length with lubricant. Since the third line region 66 is formed for example by a bore, this is fluidly blocked to one side with a plug 72, so that an undesirable
- the third line region 66 is arranged in an end region 74 of the second line region 40.
- the second line region 40 opens into the third line region 66, wherein the third line region 66 is arranged in the vertical direction at a lowest point of the second line region 40.
- a part 76 of the second line region 40 arranged above the third line region 66 in the vertical direction can be used as collecting volume for the lubricant. If the activated internal combustion engine is deactivated, so that the lubricant is no longer conveyed, then lubricant from the collecting volume can run to the lines 68, 70 and via this to the valve lash adjusters 64, so that the valve lash adjusters 64 are emptied of
- Lubricant can be avoided.
- An element of the cylinder head device 12 that is to be supplied with lubricant may also be at least one lubrication point, which may be connected to the
- Lubricate lubricant for example.
- this may be at least one bearing point on which the intake camshaft 18 or the exhaust camshaft 30 is mounted on the cylinder head 10.
- a lubrication point or bearing point can be supplied via the running in the central web 32 line member 34 in a particularly simple manner with the lubricant, in particular lubricating oil.
- the cylinder head 10 has a first sealing flange surface 78, which is arranged on the inlet side 14 and via which the cylinder head 10 can be connected to a suction element in the form of an intake module.
- the intake module in its connected to the cylinder head 10 state fluidly with the
- Inlet channels are connected so that via the intake module in the inlet channels of the internal combustion engine sucked air can flow into the respective cylinder.
- the cylinder head 10 further has at least one second sealing flange surface 80, which is arranged on the outlet side 26 and via which the cylinder head 10 with an exhaust gas element in the form of an exhaust module, for example in the form of a
- Exhaust manifold connectable.
- the exhaust element is fluidly connected in its connected to the cylinder head 10 state with the exhaust ports, so that the exhaust gas from the cylinder and via the exhaust passages into the exhaust element and can be led away by means of the exhaust element of the internal combustion engine.
- a sealing surface for connecting the cylinder head 10 with a cylinder head cover element is now integrated.
- the cylinder head cover element can be integrated into the intake element and / or into the exhaust element, for example in the form of a cylinder head cover. In other words, this allows the exhaust element and / or the intake take over the function of the cylinder head cover.
- a separate cylinder head cover can be omitted.
- the sealing flange surfaces 78, 80 extend obliquely to the vertical direction of the cylinder head 10 and extend in the vertical direction from bottom to top towards each other.
- This embodiment of the sealing flange surfaces 78, 80 a particularly simple assembly of the intake and the exhaust element is created.
- the cylinder head 10 characterized in its front view at least in
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012020030.7A DE102012020030A1 (de) | 2012-10-12 | 2012-10-12 | Zylinderkopfeinrichtung für eine Verbrennungskraftmaschine sowie Verbrennungskraftmaschine mit einer solchen Zylinderkopfeinrichtung |
| PCT/EP2013/002891 WO2014056578A1 (de) | 2012-10-12 | 2013-09-26 | Zylinderkopfeinrichtung für eine verbrennungskraftmaschine sowie verbrennungskraftmaschine mit einer solchen zylinderkopfeinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2906805A1 true EP2906805A1 (de) | 2015-08-19 |
| EP2906805B1 EP2906805B1 (de) | 2017-09-13 |
Family
ID=49301425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13771392.1A Active EP2906805B1 (de) | 2012-10-12 | 2013-09-26 | Zylinderkopfeinrichtung für eine verbrennungskraftmaschine sowie verbrennungskraftmaschine mit einer solchen zylinderkopfeinrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10087879B2 (de) |
| EP (1) | EP2906805B1 (de) |
| JP (1) | JP6097400B2 (de) |
| CN (1) | CN104718368B (de) |
| DE (1) | DE102012020030A1 (de) |
| WO (1) | WO2014056578A1 (de) |
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| US4329949A (en) * | 1980-06-30 | 1982-05-18 | Ford Motor Company | Cylinder head for an internal-combustion engine |
| JPS5930502U (ja) * | 1982-08-20 | 1984-02-25 | 本田技研工業株式会社 | 油圧式ラツシユアジヤスタへの給油通路 |
| JPS6079141A (ja) * | 1983-10-04 | 1985-05-04 | Honda Motor Co Ltd | Dohc型4サイクル内燃機関のシリンダヘツド |
| JPS63183407U (de) * | 1987-05-19 | 1988-11-25 | ||
| EP0458341A1 (de) * | 1990-05-24 | 1991-11-27 | Mazda Motor Corporation | Zylinderkopf eines Doppelnockenwellenmotors |
| FR2663983B1 (fr) * | 1990-06-27 | 1993-12-24 | Renault Regie Nale Usines | Dispositif de circulation d'huile des butees hydrauliques d'un moteur a combustion. |
| JP3233027B2 (ja) * | 1996-07-12 | 2001-11-26 | トヨタ自動車株式会社 | 内燃機関の油供給装置 |
| JPH1037722A (ja) | 1996-07-25 | 1998-02-10 | Toyota Motor Corp | 内燃機関におけるオイルの供給構造 |
| JP2000073731A (ja) | 1998-09-03 | 2000-03-07 | Toyota Motor Corp | 内燃機関のカムシャフト軸受構造 |
| JP4396024B2 (ja) | 2000-03-13 | 2010-01-13 | マツダ株式会社 | シリンダヘッド構造 |
| JP3561467B2 (ja) * | 2000-10-25 | 2004-09-02 | 本田技研工業株式会社 | エンジンの動弁制御装置 |
| JP4432879B2 (ja) | 2005-11-11 | 2010-03-17 | トヨタ自動車株式会社 | 内燃機関のオイル通路構造 |
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| KR100868210B1 (ko) | 2006-12-07 | 2008-11-11 | 현대자동차주식회사 | 가변 기통 정지 시스템용 오일 공급 회로 |
| JP4983444B2 (ja) * | 2007-07-06 | 2012-07-25 | トヨタ自動車株式会社 | ラッシュアジャスタの作動油供給構造及び内燃機関 |
| JP4386112B2 (ja) | 2007-07-20 | 2009-12-16 | トヨタ自動車株式会社 | エンジン |
| JP4957565B2 (ja) * | 2008-01-24 | 2012-06-20 | 三菱自動車工業株式会社 | 内燃機関の動弁機構 |
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| DE102009020100B4 (de) | 2009-05-06 | 2024-07-25 | Mercedes-Benz Group AG | Zylinderkopf |
| EP2627884B1 (de) * | 2010-10-14 | 2014-12-17 | Daimler AG | Brennkraftmaschine sowie verfahren zum herstellen einer solchen brennkraftmaschine |
| DE102011012149A1 (de) | 2011-02-24 | 2012-09-13 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Zylinderkopf für eine Verbrennungskraftmaschine |
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-
2012
- 2012-10-12 DE DE102012020030.7A patent/DE102012020030A1/de not_active Withdrawn
-
2013
- 2013-09-26 US US14/433,462 patent/US10087879B2/en not_active Expired - Fee Related
- 2013-09-26 CN CN201380053011.XA patent/CN104718368B/zh not_active Expired - Fee Related
- 2013-09-26 JP JP2015536008A patent/JP6097400B2/ja not_active Expired - Fee Related
- 2013-09-26 EP EP13771392.1A patent/EP2906805B1/de active Active
- 2013-09-26 WO PCT/EP2013/002891 patent/WO2014056578A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015532385A (ja) | 2015-11-09 |
| DE102012020030A1 (de) | 2014-04-17 |
| US20150260122A1 (en) | 2015-09-17 |
| JP6097400B2 (ja) | 2017-03-15 |
| CN104718368B (zh) | 2018-04-10 |
| EP2906805B1 (de) | 2017-09-13 |
| US10087879B2 (en) | 2018-10-02 |
| CN104718368A (zh) | 2015-06-17 |
| WO2014056578A1 (de) | 2014-04-17 |
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