CN102869858B - Method for operating an internal combustion engine having a multi-stage oil pump - Google Patents
Method for operating an internal combustion engine having a multi-stage oil pump Download PDFInfo
- Publication number
- CN102869858B CN102869858B CN201180023130.1A CN201180023130A CN102869858B CN 102869858 B CN102869858 B CN 102869858B CN 201180023130 A CN201180023130 A CN 201180023130A CN 102869858 B CN102869858 B CN 102869858B
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- Prior art keywords
- oil pressure
- oil
- combustion engine
- pressure level
- internal
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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
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- 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
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
-
- 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
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
-
- 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
-
- 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
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention relates to a method for operating an internal combustion engine, wherein in an oil circuit (14) of the internal combustion engine, in particular for forced-feed lubrication, a first oil pressure stage having a first minimum and maximum oil pressure level and at least one second oil pressure stage having a second minimum and maximum oil pressure level are alternatively produced by an oil pump (12), wherein the first minimum oil pressure level is less than or equal to the second minimum oil pressure level and the first maximum oil pressure level is less than the second maximum oil pressure level, wherein a camshaft (16) of the internal combustion engine is hydraulically adjusted by an actuator (18) by means of an oil pressure from the oil circuit (14) of the internal combustion engine. During the adjustment, a first adjustment speed of the camshaft (16) is set by the actuator (18) while the first oil pressure stage is produced by the oil pump (12), wherein a second adjustment speed of the camshaft (16) is set by the actuator (18) for at least one second oil pressure stage while the second oil pressure stage is produced by the oil pump (12), wherein at least one difference between the first and at least one second adjustment speed is determined, wherein a switching mechanism (20) of the oil pump (12) for switching between the oil pressure stages is classified as being in order if a magnitude of the difference is greater than or equal to a predetermined difference value, and the switching mechanism (20) of the oil pump (12) for switching between the oil pressure stages is classified as defective if a magnitude of the difference is less than a predetermined difference value.
Description
Technical field
Described in the preamble of claim 1, the present invention relates to a kind of method for operation of combustion engine, wherein in the oil circulation of internal-combustion engine, in circulating in particular for the lubricated oil of pressures cycle, by oil pump, produce alternatively and there is the first oil pressure level of the first minimum oil pressure level and maximum oil voltage levels and at least one has the second oil pressure level of the second minimum oil pressure level and maximum oil voltage levels, wherein the first minimum oil pressure level is less than or equal to the second minimum oil pressure level, and the first maximum oil voltage levels is less than the second maximum oil voltage levels, wherein by final controlling element, the oil pressure by the oil circulation from internal-combustion engine hydraulically regulates the camshaft of internal-combustion engine.
Background technique
Internal-combustion engine has mechanically operated oil pump conventionally.In some applications, by corresponding controlling device in other words switching mechanism can utilize this oil pump with different oil pressure levels in other words different span move two or more and arbitrarily downgrade, at oil pressure described in described arbitrarily downgrading according to the running state change of internal-combustion engine.The device that oil pump has mechanism at this is to adjust oil pressure.Internal-combustion engine does not need identical high oil pressure in each performance curve point.Usually oil pressure energy is enough to be reduced towards the slow-speed of revolution and low load.Only when surpassing corresponding, predetermined load threshold and rotary speed threshold value, being just switched to higher second arbitrarily downgrades.Therefore oil pressure mates with the current demand of internal-combustion engine.The power consumpiton of this two-stage or control system of multistage oil pump is less with respect to the oil pump of single-stage.The problem of the oil pump of described two-stage is the diagnosis to controlling mechanism.For this reason known, for arbitrarily downgrading, each uses independent oil pressure sensor.Therefore it is precondition that described two-stage or control system of multistage oil pump be take at least one additional pressure transducer.It is precondition that this additional sensor be take corresponding cost and essential structure space.
For example known by document DE 10 2,005 050 775 A1, by pressure monitor sensor oil pressure.In the engine oil circulation for internal-combustion engine, pressure transducer is spatially integrated in hydraulic unit.Can cancel thus the pressure switch that other are generally used for the pressure minimum of monitoring existence, because can be by the output signal of integrated pressure transducer for pressure monitor.
By the known a kind of internal-combustion engine of document DE 198 25 288 A1, wherein camshaft adjuster (for the final controlling element of adjustment cam axle) has the aerofoil profile regulator (Fl ü gelsteller) of hydraulic pressure, and described aerofoil profile regulator is with respect to crankshaft rotation camshaft and for this reason by loading the engine oil from engine oil circulation by electrically-energized hydrovalve.
Known by document US 5 529 023, according to the Functional Capability of the adjusting angle monitoring camshaft adjuster of camshaft adjuster.If do not reach predetermined adjusting angle, so just suppose that fault has occurred camshaft adjuster.Yet when the oil pressure in the oil circulation of supplying with camshaft adjuster is less than predetermined value, stop this monitoring.In this case, camshaft adjuster also can stop.
Summary of the invention
Task of the present invention is, simplifies about member method cost, the above-mentioned type and improves the monitoring to the Functional Capability of the switching mechanism of oil pump simultaneously.
Task according to the present invention solves by having method feature claimed in claim 1, the above-mentioned type.Favourable design proposal of the present invention is described in other claims.
For this reason according to of the present invention, in the method for the above-mentioned type, stipulate, the first governing speed of described camshaft is determined by described final controlling element, and described the first oil pressure level is produced by described oil pump, wherein at least one the second oil pressure level, the second governing speed of described camshaft is determined by described final controlling element, and described the second oil pressure level is produced by described oil pump, wherein determine that at least one between described the first governing speed and at least one the second governing speed is poor, wherein when the number of described difference is equal to, or greater than predetermined difference, described oil pump, for the switching mechanism of changing, be included into normal grade between described oil pressure level, and when the number of described difference is less than predetermined difference, described oil pump, for the switching mechanism of changing, be included into failure level between described oil pressure level.
Its advantage is, in the situation that there is no additional hardware, only utilizes the Functional Capability of the switching mechanism of existing Sensor monitoring oil pump, and wherein said monitoring is irrelevant with the tolerance of the valve of oil viscosity, oil pump, final controlling element or final controlling element about in oil circulation.
To the Functional Capability of the switching mechanism of oil pump, do not having in balanced situation with the irrelevant monitoring of the running state of internal-combustion engine, for example by fluctuation oil pressure, that depend on rotating speed or depend on load, realized in the following manner: in the identical running state of described internal-combustion engine, determine described the first governing speed and at least one second governing speed.
Additional monitoring itself to the Functional Capability of oil pump realizes in the following manner, at oil pressure described in the running state of described internal-combustion engine, by pressure monitor sensor, in the first oil pressure level described in the running state process of described internal-combustion engine, by described oil pump, is produced.
The positive diagnosis of the switching mechanism of oil pump is realized in the following manner for different oil pressure levels: after determining described the first governing speed, the current running state of described oil pump and internal-combustion engine is independently transformed at least one second oil pressure level, adjustment cam axle and determines the second governing speed at this.
Concerning the check of the switching mechanism of oil pump for realizing in the following manner in the state of the restriction of internal-combustion engine different oil pressure levels: at least one the predetermined operation point at described internal-combustion engine, determine described the first governing speed and the second governing speed, wherein independently change corresponding oil pressure level and regulate described camshaft with described operation point.
In order to keep the harmful matter limiting value of internal-combustion engine, so select at least one predetermined operation point of internal-combustion engine, thereby the raising of discharge of poisonous waste in exhaust is minimized.
Accompanying drawing explanation
Next with reference to the accompanying drawings the present invention is explained in detail.Accompanying drawing illustrates:
Fig. 1 is for implementing the schematic block diagram of the internal-combustion engine of the method according to this invention;
Fig. 2 is the flow chart preferred embodiment of the method according to this invention; And
Fig. 3 is the performance curve figure of internal-combustion engine.
Embodiment
The present invention relates to a kind of internal-combustion engine, as schematically illustrated in Fig. 1, described internal-combustion engine has engine cylinder-body 10, oil pump 12 and is configured to be particularly useful for the lubricated engine oil circulation means 14 of pressures cycle.Adjustable hydraulic unit is connected to for the lubricated engine oil circulation means 14 of pressures cycle, and the necessary operation fluid for it is handled of described hydraulic unit provides by the engine oil of engine oil circulation means 14.Fluid flow, the adjusting of namely flowing through the engine oil of hydraulic unit realize by the electric regulated signal of electric control device 22.A kind of so adjustable hydraulic unit is the camshaft adjuster 18 camshaft 16, hydraulic pressure that has hydrovalve for regulating, and described hydrovalve is for example configured to solenoid valve.In other words, the final controlling element for adjustment cam axle is integrated into engine oil circulation means.
The oil pressure existing in engine oil circulation means is available in engine oil circulation means 14 by mechanically operated oil pump 12.Described oil pump 12 has switching mechanism 20, to change between different oil pressure levels.At this, the first oil pressure level is set, in described the first oil pressure level, oil pressure fluctuates in the first area between the first minimum oil pressure value (oil pressure level) and the first maximum oil pressure value (oil pressure level) according to the running state of internal-combustion engine.In addition, at least one second oil pressure level is set, in described the second oil pressure level, oil pressure fluctuates in the second area between the second minimum oil pressure value (oil pressure level) and the second maximum oil pressure value (oil pressure level) according to the running state of internal-combustion engine.Said the first minimum oil pressure value is less than or equal to described the second minimum oil pressure value, and described the first maximum oil pressure value is less than described the second maximum oil pressure value.For the first oil pressure level, oil pressure sensor 24 is set with monitoring oil pressure.
According to the size of oil pressure with different rate adaptation camshafts.Self-regulating angular velocity is interrelated at this and oil pressure.Described angular velocity is measurable, and method is to follow the solenoid valve camshaft that triggers to greatest extent camshaft adjuster 18 to turn over continuously enough regulation ranges.Described angular velocity additionally also depends on engine speed and oil temperature, and should revise by them.Described angular velocity is conventionally in utilizing the device that can use in engine control can be effectively and in the scope of measuring reliably.
The regulation according to the present invention, the angular velocity of adjustment cam axle with monitoring oil pump 12, for the switching mechanism 20 of different oil pressure level.Due to especially relevant with oil viscosity, pump characteristics, camshaft adjuster 18 and solenoid valve tolerance chain, not only in the second oil pressure level that can not be monitored by remaining oil pressure sensor, determine angular velocity.Or rather, the regulation according to the present invention, also in the first oil pressure level, that is to say the angular velocity of determining two middle measurements of arbitrarily downgrading that in other words camshaft regulates.If the difference of angular velocity is so remarkable, that is to say and be greater than or equal to predetermined threshold value, can set out thus so, the switching mechanism 20 of oil pump 12 is worked in order.The first lower oil pressure level is by pressure monitor sensor.Monitoring second is arbitrarily downgraded, and method is analyzed in different oil pressure levels the above-mentioned comparison of camshaft adjuster 18, the governing speed that records.If the speed that camshaft regulates is consistent in two oil pressure levels, can set out thus so, make the switching mechanism 20 of oil pump 12 not according to sequential working.Oil pump 12 only can regulate pressure oil pressure level in other words in this case.
A kind of the method according to this invention preferred embodiment in, in constant operation point, first move the first oil pressure level, and then move the second oil pressure level.Term " constant operation point " represents the running state of internal-combustion engine at this, in this running state, the second higher oil pressure level one of them not necessarily, and camshaft regulate neither be necessary.In other words, described oil pressure level and camshaft regulate the current running state that does not rely on internal-combustion engine to regulate change in other words.In two are arbitrarily downgraded, measure and to determine in other words and to analyze governing speed that camshaft regulates definite difference in other words.Get rid of by this way for oil temperature with for the dependence of load speed point.On not being that the impact of the discharge of optimum camshaft location is paid close attention to by the suitable selection of the operation point to constant in measuring phase.
For the cost inferior position of the second oil pressure sensor of the second oil pressure level in other words structure space inferior position can be subdued because whether arrive second for monitoring, arbitrarily downgrade, do not need additional oil pressure sensor.Can reach so a kind of compromise cost (Kostenneutralit t), because set up the diagnosis to the second oil pressure level by the actuator in internal-combustion engine Already in and sensor.
In Fig. 2, for example show the flow chart preferred embodiment of the method according to this invention.In first step 100, check the initial conditions of the method.For example whether the temperature of proof load, rotating speed, freezing mixture and the temperature of engine oil be in predetermined scope.If one of them does not meet this situation above-mentioned parameter, so do not implement to the diagnosis of camshaft and via the first branch 102 " no " again redirect get back to step 100.
If all certified parameters, in predetermined scope, " are all " to jump to second step 106 " oil pump is in the specified step of 1=> request camshaft of arbitrarily downgrading " via the second branch 104 so.In this second step 106, described oil pump so moves, thereby makes oil pump provide first to arbitrarily downgrade and adjustment cam axle.In third step 108 " measure camshaft ", the governing speed 1 of camshaft when regulating as determining for the first angular velocity omega of arbitrarily downgrading [°/ms].In the 4th step 110 " oil pump is in the 2=> request specified step of camshaft (Anforderung Nockenwellen Sollsprung) of arbitrarily downgrading ", so move described oil pump, thereby make oil pump in the oil circulating system of internal-combustion engine, provide second arbitrarily downgrade and readjust camshaft, the pressure wherein drawing in the oil circulating system of internal-combustion engine is different from the corresponding pressure during first arbitrarily downgrades.The governing speed 2 of the 5th step 112 " measure camshaft " convexity wheel shaft when regulating as determining for the second angular velocity omega of arbitrarily downgrading [°/ms].In the 6th step 114 " governing speed 2> governing speed 1 ", whether check, be greater than for the first governing speed of arbitrarily downgrading 1 for the second governing speed of arbitrarily downgrading 2.As long as oil pump in other words for the normal work of the adjustment component of arbitrarily downgrading and the oil circulating system of internal-combustion engine second arbitrarily downgrade middle generation than first, arbitrarily downgrade in higher pressure, governing speed 2 must be greater than governing speed 1 so.If therefore so just indicate on the contrary the oil pump conversion between arbitrarily downgrading in other words of normal work.If in step 114 check " governing speed 2> governing speed 1? " result be "Yes", so therefore, from the 6th step 114, via San branch 118, " be " to jump to the 7th step 116 " detect and finish, be normal for the adjustment component of arbitrarily downgrading of oil pump ".But if not this situation, via Si branch 120 " no ", jump to the 8th step 122 so " detect and finish, be undesired for the adjustment component of arbitrarily downgrading of oil pump ".
Fig. 3 illustrates the performance curve of internal-combustion engine, wherein on horizontal axis 200, has described the rotating speed of internal-combustion engine and on vertical shaft 202, has described engine torque M load in other words.In this so-called " load-rotation speed characteristic ", draw the operation area for internal-combustion engine, described operation area is limited by the first image 204, horizontal axis 200 and vertical shaft 202.In inner first characteristic curve region 206 that exists, this operation area of internal-combustion engine, in described the first characteristic curve region, can move that first of oil pump is arbitrarily downgraded and second arbitrarily downgrade.In described the first inner second characteristic curve region 208 that exists, characteristic curve region 206, in described the second characteristic curve region, can carry out above-mentioned diagnostic method, wherein must meet following precondition: must allow two and arbitrarily downgrade for this reason, the position step of camshaft must be little on the impact of exhaust, and the position step of camshaft must be little on being equipped with the impact of rideability of the Motor Vehicle of internal-combustion engine.All these all meet in described the second characteristic curve region 208.The remaining part of removing the first characteristic curve region 206 of operation area is the 3rd characteristic curve region 210, only can move second arbitrarily downgrade in described the 3rd characteristic curve region.For this reason, described the 3rd characteristic curve region 210 is not suitable for above-mentioned diagnostic method.
Reference numerals list
10 engine cylinder-bodies
12 oil pumps
14 oil circulations
16 camshafts
18 final controlling element
20 oil pumps, the switching mechanism for changing between oil pressure level
22 electric control devices
24 oil pressure sensors
100 first steps: check is for the initial conditions of the method
102 first branches: " no "
104 second branches: " being "
106 second steps: oil pump is in the specified step of 1=> request camshaft of arbitrarily downgrading
108 third steps: measure camshaft
110 the 4th steps: oil pump is in the specified step of 2=> request camshaft of arbitrarily downgrading
112 the 5th steps: measure camshaft
114 the 6th steps: governing speed 2> governing speed 1
116 the 7th steps: detect and finish, normal for the adjustment component of arbitrarily downgrading of oil pump
118 San branches " are "
120 Si branches: " no "
122 the 8th steps: detect and finish, undesired for the adjustment component of arbitrarily downgrading of oil pump
200 horizontal axis: rotation speed n
202 vertical shaftes: engine torque M
204 first images
206 first characteristic curve regions
208 second characteristic curve regions
210 the 3rd characteristic curve regions
Claims (7)
1. for the method for operation of combustion engine, wherein in the oil circulation of described internal-combustion engine, by oil pump, produced alternatively and had the first oil pressure level of the first minimum oil pressure level and maximum oil voltage levels and at least one has the second oil pressure level of the second minimum oil pressure level and maximum oil voltage levels, wherein said the first minimum oil pressure level is less than or equal to described the second minimum oil pressure level; And described the first maximum oil voltage levels is less than described the second maximum oil voltage levels, by final controlling element, the oil pressure by the oil circulation from internal-combustion engine hydraulically regulates the camshaft of wherein said internal-combustion engine, it is characterized in that, the first governing speed of described camshaft is determined by described final controlling element, and described the first oil pressure level is produced by described oil pump; Wherein at least one the second oil pressure level, the second governing speed of described camshaft is determined by described final controlling element, and described the second oil pressure level is produced by described oil pump, wherein determine that at least one between described the first governing speed and at least one the second governing speed is poor, wherein when the number of described difference is equal to, or greater than predetermined difference, by described oil pump, for the switching mechanism of changing, be included into normal grade between described oil pressure level; And when the number of described difference is less than predetermined difference, by described oil pump, for the switching mechanism of changing, be included into failure level between described oil pressure level.
2. by method claimed in claim 1, it is characterized in that, it is lubricated that the oil of described internal-combustion engine is cycled to used in pressures cycle.
3. by the method described in claim 1 or 2, it is characterized in that, in the identical running state of described internal-combustion engine, determine described the first governing speed and at least one second governing speed.
4. by the method described in claim 1 or 2, it is characterized in that, at oil pressure described in the running state of described internal-combustion engine, by pressure monitor sensor, in the first oil pressure level described in the running state process of described internal-combustion engine, by described oil pump, produced.
5. by the method described in claim 1 or 2, it is characterized in that, after determining described the first governing speed, the current running state of described oil pump and internal-combustion engine is independently transformed at least one second oil pressure level, adjustment cam axle and determines described the second governing speed at this.
6. by the method described in claim 1 or 2, it is characterized in that, in at least one predetermined operation point of described internal-combustion engine, determine described the first governing speed and described the second governing speed, wherein independently change corresponding oil pressure level and regulate described camshaft with described operation point.
7. by method claimed in claim 6, it is characterized in that, so select at least one predetermined operation point of described internal-combustion engine, thereby the raising of discharge of poisonous waste in exhaust is minimized.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010019933 DE102010019933A1 (en) | 2010-05-08 | 2010-05-08 | Method for operating an internal combustion engine with a multistage oil pump |
| DE102010019933.8 | 2010-05-08 | ||
| PCT/EP2011/002164 WO2011141130A1 (en) | 2010-05-08 | 2011-05-02 | Method for operating an internal combustion engine having a multi-stage oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102869858A CN102869858A (en) | 2013-01-09 |
| CN102869858B true CN102869858B (en) | 2014-12-10 |
Family
ID=44462617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180023130.1A Active CN102869858B (en) | 2010-05-08 | 2011-05-02 | Method for operating an internal combustion engine having a multi-stage oil pump |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2569519B1 (en) |
| CN (1) | CN102869858B (en) |
| DE (1) | DE102010019933A1 (en) |
| WO (1) | WO2011141130A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2551509B (en) | 2016-06-20 | 2020-08-26 | Ford Global Tech Llc | An engine assembly comprising a camshaft driven oil pump |
| CN107989786B (en) * | 2017-11-25 | 2019-07-05 | 蚌埠市鑫源机电设备有限公司 | A kind of pump operation regulator control system of subregion detection |
| DE102019121153B3 (en) * | 2019-08-06 | 2020-10-29 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Method for controlling a camshaft adjustment |
| CN113357032B (en) * | 2021-06-29 | 2022-06-03 | 东风汽车集团股份有限公司 | High-pressure oil pump fault detection post-processing method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131731A (en) * | 1994-10-17 | 1996-09-25 | 西格弗里德·A·艾森曼 | Valve train with suction-controlled ring gear/internal gear pump |
| GB2305218A (en) * | 1995-09-12 | 1997-04-02 | Daimler Benz Ag | Variable eccentricity vane-cell pump. |
| CN1299004A (en) * | 1999-12-09 | 2001-06-13 | 曼B与W狄赛尔公司 | Engine |
| CN1322893A (en) * | 2000-05-09 | 2001-11-21 | 本田技研工业株式会社 | Lubricating apparatus for internal combustion engine |
| EP2133517A1 (en) * | 2008-06-12 | 2009-12-16 | Aisin Seiki Kabushiki Kaisha | Oil supplying apparatus for vehicle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127407A (en) * | 1993-11-05 | 1995-05-16 | Toyota Motor Corp | Valve timing control device for internal combustion engine |
| DE19523533C2 (en) * | 1995-06-28 | 1998-06-18 | Eisenmann Siegfried A | Suction-controlled internal gear pump |
| US5529023A (en) | 1995-07-03 | 1996-06-25 | Boardman; Thomas K. | Grapnel boat anchor |
| US6158404A (en) * | 1997-02-26 | 2000-12-12 | Aft Atlas Fahrzeugtechnik Gmbh | Apparatus for regulating the operation of an adjusting device |
| JP3760566B2 (en) | 1997-06-05 | 2006-03-29 | アイシン精機株式会社 | Valve timing control device |
| US6257184B1 (en) * | 1998-08-10 | 2001-07-10 | Unisia Jecs Corporation | Apparatus and method for diagnosing of a hydraulic variable valve timing mechanism |
| DE10064652B4 (en) * | 2000-12-22 | 2016-02-25 | Robert Bosch Gmbh | Method and device for rapidly changing a torque of an internal combustion engine |
| JP4100115B2 (en) * | 2002-09-26 | 2008-06-11 | アイシン精機株式会社 | Engine oil supply device |
| DE102005050775A1 (en) | 2005-10-24 | 2007-04-26 | Robert Bosch Gmbh | Engine oil circuit for an internal combustion engine |
-
2010
- 2010-05-08 DE DE201010019933 patent/DE102010019933A1/en not_active Withdrawn
-
2011
- 2011-05-02 CN CN201180023130.1A patent/CN102869858B/en active Active
- 2011-05-02 WO PCT/EP2011/002164 patent/WO2011141130A1/en active Application Filing
- 2011-05-02 EP EP11723869.1A patent/EP2569519B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131731A (en) * | 1994-10-17 | 1996-09-25 | 西格弗里德·A·艾森曼 | Valve train with suction-controlled ring gear/internal gear pump |
| GB2305218A (en) * | 1995-09-12 | 1997-04-02 | Daimler Benz Ag | Variable eccentricity vane-cell pump. |
| CN1299004A (en) * | 1999-12-09 | 2001-06-13 | 曼B与W狄赛尔公司 | Engine |
| CN1322893A (en) * | 2000-05-09 | 2001-11-21 | 本田技研工业株式会社 | Lubricating apparatus for internal combustion engine |
| EP2133517A1 (en) * | 2008-06-12 | 2009-12-16 | Aisin Seiki Kabushiki Kaisha | Oil supplying apparatus for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2569519B1 (en) | 2016-02-10 |
| WO2011141130A1 (en) | 2011-11-17 |
| DE102010019933A1 (en) | 2011-11-10 |
| EP2569519A1 (en) | 2013-03-20 |
| CN102869858A (en) | 2013-01-09 |
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