EP0775257B1 - Einrichtung zur zylindererkennung bei einer mehrzylindrigen brennkraftmaschine - Google Patents
Einrichtung zur zylindererkennung bei einer mehrzylindrigen brennkraftmaschine Download PDFInfo
- Publication number
- EP0775257B1 EP0775257B1 EP96919631A EP96919631A EP0775257B1 EP 0775257 B1 EP0775257 B1 EP 0775257B1 EP 96919631 A EP96919631 A EP 96919631A EP 96919631 A EP96919631 A EP 96919631A EP 0775257 B1 EP0775257 B1 EP 0775257B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- internal combustion
- combustion engine
- recognition
- rotational speed
- 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.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 41
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 10
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 17
- 230000008901 benefit Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
Definitions
- the invention is based on a device for cylinder detection in a multi-cylinder internal combustion engine the genus of the main claim.
- crankshaft In multi-cylinder internal combustion engines with a crank and a camshaft is from the control unit of the internal combustion engine depending on the recognized position of the crank or Camshaft calculates at what time for which Cylinder fuel should be injected and when in which cylinder to fire. It is usual, the angular position of the crankshaft with the help of a sensor to determine the crankshaft or one with this connected disc with a characteristic surface, for example with a variety of similar angle marks as well as a reference mark.
- phase position of the internal combustion engine can be used alone the crankshaft sensor signal does not clearly determine it is therefore common to also use the camshaft position of its own sensor, a so-called phase sensor determine, for example, a single marker there is a disk assigned to the camshaft, that when passing the sensor in this one voltage pulse generated.
- a device for cylinder detection in multi-cylinder internal combustion engines that doesn't need its own phase sensor, is known from DE-OS 41 22 786. At this facility are determined in certain after the start of the internal combustion engine Injection into a cylinder triggered, initially ignoring whether the Crankshaft in its first or second rotation Working cycle. The reaction of the internal combustion engine on this injection, i.e. the change in speed as a result of the injection is observed and dependent the speed change recognizes in which revolution the crankshaft is located and whether the injection at correct rotation angle has occurred.
- the device for cylinder detection according to the invention a multi-cylinder internal combustion engine with the features of claim 1 has the advantage that for cylinder detection no phase signal is needed and that not only recognized can be in what revolution the crankshaft currently located, but that directly a clear cylinder detection is possible.
- the device according to the invention can also be used in connection with leak detection is and then to check the from the stored Phase position determined current phase position used can be. Furthermore, the device according to the invention also in connection with a conventional system be used with a phase sensor so that in the case of a Failure of the phase sensor performed a safe emergency operation can be.
- Figure 1 shows the explanation Components of an internal combustion engine required by the invention
- Figure 2 shows an example of a speed curve the crankshaft angle for one cycle at one 12-cylinder internal combustion engine
- Figure 3 is a map for cylinder-specific segment duration correction values for a Speed vibration compensation at a 12-cylinder internal combustion engine.
- Figure 1 shows schematically that for understanding the invention required components of an internal combustion engine.
- This Representation is known for example from DE-OS 42 30 616.
- 10 denotes an encoder disk, the rigid with the crankshaft 11 of the internal combustion engine is connected and a large number of them of the same angle marks 12.
- Angle marks 12 are provided with a reference mark 13, for example by two missing angle marks is realized.
- the camshaft is designated 15. She turns with half the engine speed and is driven by the crankshaft, this drive is symbolized by the connecting line 17.
- a disc 14 in connection which is an angle mark 16, with the aid of which a phase signal is generated should.
- This disc 14 and the mark 16 and the associated one Camshaft sensor 19 can with the help of the invention Setup can be saved. Will the claimed facility in connection with a system with a phase sensor cylinder detection is still possible, if the phase sensor or camshaft sensor 19 is defective.
- the disk 10 connected to the crankshaft 11 is scanned using a crankshaft sensor 18.
- the Crankshaft sensor 18 supplies a periodic signal S1, that is a square wave signal when processed a course that corresponds to the surface of the disk 10.
- Control unit 20 determines the speed of crankshaft 11 by evaluating the time sequence of the pulses of the signal S1 becomes.
- the time interval results same pulse edges a current speed from which So-called segment time can be an average speed determine.
- the segment time is the time that passes while the crankshaft is around a certain one Angle rotates and this angle (one segment) is equal to 720 ° KW divided by the number of cylinders of the internal combustion engine is.
- the segment time typically corresponds to the length of time between 2 ignitions or in other words the duration until the crankshaft divides by 720 ° Number of cylinders has rotated. But there are also any longer ones and shorter segment times are conceivable.
- the control unit 20 receives further, via various inputs, for the control or regulation of the internal combustion engine required input quantities that are different from here sensors not specified are measured. Farther an "ignition on” signal is supplied via an input 22, that when the ignition switch 23 is closed by the Terminal 15 of the ignition lock is supplied.
- control unit 20 does not provide this comprises designated computing or storage means 24, 25, Ignition and injection signals for specified Components of the internal combustion engine are available. This Signals are output via the outputs 26, 27 of the control device 20th submitted.
- the control unit 20 is supplied with voltage in usually with the help of a battery 28, which has a Switch 29 during operation of the internal combustion engine as well as during a run-on phase after the engine has been switched off is connected to the control unit 20.
- the operation of the internal combustion engine results in normal operation engine and cylinder individual or characteristic Speed fluctuations.
- cylinder characteristics Speed fluctuations are caused, for example, by torsional vibrations the crankshaft in connection with vibration dampers on one side of the crankshaft and flywheel caused on the other side of the crankshaft.
- With high cylindrical Motors can measure the speed amplitudes that result the torsional vibrations occur the same Reach the same size as those caused by combustion misfires caused fluctuations in speed.
- Speed due to combustion in the work cycle of the internal combustion engine.
- the typical for a 12-cylinder engine is Segment time or period length 60 ° related to the crankshaft angle. Such a speed curve is shown in FIG shown schematically over the crankshaft angle ⁇ .
- FIG. 3 shows a course of the vibration amplitudes, plotted as segment time correction values SK for 60 ° Crank angle depending on the cylinder number Z and the Engine speed n for the example of a 12-cylinder engine.
- the individual cylinder shown in Figure 3 Segment time correction values determined. These will be like already mentioned in connection with vibration compensation for misfire detection (evaluation of speed fluctuations) anyway and in one Map stored in the control unit of the internal combustion engine.
- the Segment time correction values can be e.g. B. be determined by the individual segment times with uniform operation be measured and the measurement results with each other be compared. These measurements can be taken at different Speeds and / or load conditions are carried out and the results are stored in a map. It must be sure that there are no misfires are. If misfires are detected, none will Cylinder detection carried out because of misfires irregular speed curves can lead. While driving are the cylinder-specific segment duration correction values also formed and compared with the saved.
- the cylinder recognition is made from the recognized courses derived.
- the cylinder detection described can be used in a wide variety of applications Use internal combustion engines, making an adjustment the procedure at the start of the injections or ignitions must take place.
- an internal combustion engine with many cylinders where the cylinders are in two banks are arranged, the original start can take place with bank injection.
- With additionally resting high-voltage distribution with Single spark coils are then initially operated with double spark started. This applies until a cylinder identification has taken place.
- the cylinder-specific speed amplitudes are recorded depending on the load and speed possible.
- the comparison with corresponding characteristic values can be extended into pattern recognition or recognition by means of an Euclidean distance.
- control unit can Initiate measures, for example a switchover done from group to single injection and it can switch from double-spark to single-spark operation can be switched.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
Claims (9)
- Einrichtung zur Zylindererkennung bei einer Brennkraftmaschine mit einem Steuergerät zur Steuerung der sich zyklisch wiederholenden Betriebsvorgänge, insbesondere Zünd- und/oder Einspritzvorgänge, wobei von einem Kurbelwellensensor Signale abgegeben werden, die eine, bezogen auf einen Arbeitstakt der Brennkraftmaschine mehrdeutige Winkelstellung der Kurbelwelle erkennen lassen, wobei ausgehend aus den Signalen des Kurbelwellensensors die Drehzahl der Kurbelwelle ermittelbar ist, dadurch gekennzeichnet, daß nach dem Einschalten der Brennkraftmaschine der Verlauf der Drehzahl oder eine von diesem Verlauf abhängige Größe über wenigstens ein Arbeitsspiel der Brennkraftmaschine ermittelt und abgespeichert wird und beim Wiedereinschalten der Brennkraftmaschine der Drehzahlverlauf erneut ermittelt wird und mit dem abgespeicherten Drehzahlverlauf verglichen wird, zur Erkennung von zylindercharakteristischen Drehzahlschwankungen und damit zur Zylinderidentifikation.
- Einrichtung zur Zylindererkennung nach Anspruch 1, dadurch gekennzeichnet, daß vor der Erstinbetriebnahme der Brennkraftmaschine ein für die BKM typischer Drehzahlverlauf gemessen und in einen Datenspeicher abgelegt wird und dieser Drehzahlverlauf beim Wiedereinschalten mit dem aktuellen Drehzahlverlauf zur Zylindererkennung verglichen wird.
- Einrichtung zur Zylindererkennung nach Anspruch 1, dadurch gekennzeichnet, daß von der Zylinderzahl abhängige, als Segment bezeichnete, zylinderspezifische Kurbelwinkelbereiche definiert werden, daß für jedes Segment die Segmentdrehzahl ermittelt und abgespeichert wird und ein Vergleich der gespeicherten Werte mit den aktuell ermittelten Segmentdrehzahlen zur Zylindererkennung erfolgt.
- Einrichtung zur Zylindererkennung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß zusätzlich eine Verbrennungsaussetzererkennung erfolgt und eine Zylinderkennung nicht durchgeführt wird, wenn Verbrennungsaussetzer erkannt werden.
- Einrichtung zur Zylindererkennung nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß eine Laufunruhe-Erkennung erfolgt, wobei dazu die segmentspezifischen Drehzahlschwankungen ermittelt werden, wobei Segmentkorrekturwerte gebildet werden und die Zylindererkennung ausgehend aus solchen Segmentkorrekturwerten erfolgt.
- Einrichtung zur Zylindererkennung nach Anspruch 5, dadurch gekennzeichnet, daß die Segmentkorrekturwerte als Segmentzeitkorrekturwerte ausgegeben werden.
- Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß bei einer Brennkraftmaschine mit Auslauferkennung, bei der die nach dem Stillstand der Kurbelwelle ermittelte Kurbelwellenposition beim Neustart berücksichtigt wird, eine Überprüfung erfolgt, ob die angenommene Kurbelwellenstellung und damit Zylinderlage mit der tatsächlich ermittelten übereinstimmt und bei erkannter Abweichung eine Korrektur erfolgt.
- Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß nach Abschluß der Zylindererkennung die üblichen Einspritz- und Zündprogramme eingeleitet werden.
- Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie bei einer Brennkraftmaschine eingesetzt wird, die zusätzlich einen Nockenwellensensor aufweist, der ein eindeutiges Phasensignal abgibt, wobei bei Ausfall dieses Nockenwellensensors ein Notlaufbetrieb eingeleitet wird, bei dem die Zylindererkennung aus den zylinderspezifischen Drehzahlschwankungen erfolgt.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19521277A DE19521277A1 (de) | 1995-06-10 | 1995-06-10 | Einrichtung zur Zylindererkennung bei einer mehrzylindrigen Brennkraftmaschine |
| DE19521277 | 1995-06-10 | ||
| PCT/DE1996/000988 WO1996041938A1 (de) | 1995-06-10 | 1996-06-05 | Einrichtung zur zylindererkennung bei einer mehrzylindrigen brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0775257A1 EP0775257A1 (de) | 1997-05-28 |
| EP0775257B1 true EP0775257B1 (de) | 2000-02-02 |
Family
ID=7764140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96919631A Expired - Lifetime EP0775257B1 (de) | 1995-06-10 | 1996-06-05 | Einrichtung zur zylindererkennung bei einer mehrzylindrigen brennkraftmaschine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5823166A (de) |
| EP (1) | EP0775257B1 (de) |
| JP (1) | JPH10504087A (de) |
| KR (1) | KR100413558B1 (de) |
| CN (1) | CN1087394C (de) |
| DE (2) | DE19521277A1 (de) |
| WO (1) | WO1996041938A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10122154A1 (de) * | 2001-05-08 | 2002-11-14 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zur Erkennung der Laufunruhe bei Vier-Takt-Verbrennungsmotoren |
| US7373928B2 (en) | 2006-05-31 | 2008-05-20 | Joseph Thomas | Method for starting a direct injection engine |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09236036A (ja) * | 1996-02-29 | 1997-09-09 | Fuji Heavy Ind Ltd | 筒内噴射エンジンの始動時制御装置 |
| JPH116461A (ja) * | 1997-06-16 | 1999-01-12 | Hitachi Ltd | エンジン制御装置およびその記録媒体 |
| JP3126689B2 (ja) * | 1997-10-27 | 2001-01-22 | 株式会社ケーヒン | エンジン制御装置 |
| US6131547A (en) | 1998-02-27 | 2000-10-17 | Cummins Engine Company, Inc. | Electronic engine speed and position apparatus for camshaft gear applications |
| US6490914B1 (en) * | 1998-03-25 | 2002-12-10 | Ford Global Technologies, Inc. | Method of sensing crankshaft position in a hybrid electric vehicle |
| DE19821354A1 (de) * | 1998-05-13 | 1999-11-18 | Bosch Gmbh Robert | Vorrichtung oder Verfahren zur Unterdrückung und/oder Anzeige von Störungen |
| EP1050676A3 (de) * | 1999-05-05 | 2002-06-05 | Delphi Technologies, Inc. | Brennkraftmaschinenpositionserkennung |
| DE19934112A1 (de) * | 1999-07-21 | 2001-01-25 | Bosch Gmbh Robert | Einrichtung und Verfahren zur Erkennung und Beeinflussung der Phasenlage bei einer Brennkraftmaschine |
| US6604411B1 (en) | 1999-09-10 | 2003-08-12 | Ford Global Technologies, Llc | Engine starting method |
| KR100353987B1 (ko) * | 1999-12-30 | 2002-09-27 | 현대자동차주식회사 | 자동차의 엔진 기통 판별 장치 |
| DE10122247B4 (de) * | 2001-05-08 | 2004-06-24 | Robert Bosch Gmbh | Verfahren zur Phasenerkennung bei einer Brennkraftmaschine |
| US6745118B2 (en) * | 2001-12-06 | 2004-06-01 | Daimlerchrysler Corporation | Method to improve engine synchronization performance |
| JP3768927B2 (ja) * | 2002-07-10 | 2006-04-19 | 三菱電機株式会社 | 内燃機関の気筒判別装置 |
| JP3965099B2 (ja) * | 2002-09-30 | 2007-08-22 | ヤンマー株式会社 | エンジンのクランク角度識別装置 |
| DE10246806A1 (de) * | 2002-10-08 | 2004-04-22 | Daimlerchrysler Ag | Geberrad |
| AT6293U1 (de) * | 2002-12-05 | 2003-07-25 | Avl List Gmbh | Verfahren zur regelung bzw. steuerung einer in einem kreisprozess arbeitenden brennkraftmaschine |
| JP4096728B2 (ja) * | 2002-12-20 | 2008-06-04 | 日産自動車株式会社 | エンジン制御装置 |
| FR2843614A1 (fr) * | 2003-01-29 | 2004-02-20 | Siemens Vdo Automotive | Procede et dispositif pour ameliorer le redemarrage du moteur, par detection d'une position relative d'un organe mobile |
| FR2843613A1 (fr) * | 2003-01-29 | 2004-02-20 | Siemens Vdo Automotive | Procede et dispositif pour ameliorer le redemarrage d'un moteur, par detection d'une position absolue d'un organe mobile |
| US7069140B2 (en) * | 2004-06-30 | 2006-06-27 | General Electric Company | Engine operation without cam sensor |
| FR2877396B1 (fr) * | 2004-10-29 | 2006-12-08 | Valeo Equip Electr Moteur | Procede et installation de surveillance d'une phase d'arret d'un moteur thermique |
| US7475672B2 (en) * | 2005-03-18 | 2009-01-13 | R.E. Phelon Company, Inc. | Inductive ignition control system |
| JP4353130B2 (ja) * | 2005-04-20 | 2009-10-28 | トヨタ自動車株式会社 | 内燃機関の失火検出装置 |
| DE102005027654A1 (de) * | 2005-06-15 | 2006-12-21 | Robert Bosch Gmbh | Sensor zur Positionserkennung beim Start einer Verbrennungskraftmaschine |
| WO2007086853A1 (en) * | 2006-01-26 | 2007-08-02 | Delphi Technologies, Inc. | Method and apparatus for preventing kickback of a motorcycle pedal starter |
| DE102009000444A1 (de) * | 2009-01-28 | 2010-07-29 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Betreiben einer Brennkraftmaschine, Computerprogramm, Computerprogrammprodukt |
| CN102052176B (zh) * | 2009-10-30 | 2013-03-20 | 北汽福田汽车股份有限公司 | 一种多缸发动机的分缸平衡系统与方法 |
| US8600648B2 (en) * | 2011-05-02 | 2013-12-03 | Ford Global Technologies, Llc | Method and system for engine speed control |
| CN103244299A (zh) * | 2013-04-28 | 2013-08-14 | 绵阳新晨动力机械有限公司 | 一种转速梯度增量阀值判缸方法 |
| KR101795306B1 (ko) * | 2016-10-07 | 2017-11-07 | 현대자동차주식회사 | 차량 시동 제어 방법 |
| SE541683C2 (en) * | 2016-12-19 | 2019-11-26 | Scania Cv Ab | Cylinder Detection in a Four-stroke Internal Combustion Engine |
| DE102018200521A1 (de) * | 2018-01-15 | 2019-07-18 | Robert Bosch Gmbh | Verfahren zur Bestimmung einer Position einer Verbrennungskraftmaschine |
| JP7327319B2 (ja) * | 2020-08-07 | 2023-08-16 | トヨタ自動車株式会社 | 内燃機関の失火検出装置 |
| JP7363714B2 (ja) * | 2020-08-07 | 2023-10-18 | トヨタ自動車株式会社 | 内燃機関の失火検出装置 |
| CN113931742B (zh) * | 2021-09-29 | 2024-03-19 | 上海海事大学 | 一种柴油机连杆轴承温度监测装置及监测方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6062665A (ja) * | 1983-09-16 | 1985-04-10 | Hitachi Ltd | エンジン制御装置 |
| DE3511432A1 (de) * | 1984-04-07 | 1985-10-17 | Volkswagenwerk Ag, 3180 Wolfsburg | Verfahren und anordnung zur brennraumidentifikation bei einer brennkraftmaschine |
| US4616617A (en) * | 1984-04-07 | 1986-10-14 | Volkswagenwerk Aktiengesellschaft | Method and arrangement for combustion chamber identification in an internal combustion engine |
| DE4122786A1 (de) * | 1990-07-23 | 1992-01-30 | Volkswagen Ag | Verfahren zur identifikation des einem zuend- oder einspritzvorgang zugeordneten drehwinkels einer brennkraftmaschine |
| JP3407338B2 (ja) * | 1992-08-04 | 2003-05-19 | 株式会社デンソー | エンジン制御装置 |
| DE4230616A1 (de) * | 1992-09-12 | 1994-03-17 | Bosch Gmbh Robert | Einrichtung zur Erkennung der Stellung wenigstens einer, eine Referenzmarke aufweisenden Welle |
| US5377537A (en) * | 1993-09-01 | 1995-01-03 | Ford Motor Company | System and method to compensate for torsional disturbances in measured crankshaft velocities for engine misfire detection |
| ITBO940239A1 (it) * | 1994-05-23 | 1995-11-23 | Weber Srl | Sistema elettronico per l'identificazione delle fasi di un motore endotermico. |
-
1995
- 1995-06-10 DE DE19521277A patent/DE19521277A1/de not_active Withdrawn
-
1996
- 1996-06-05 KR KR1019970700912A patent/KR100413558B1/ko not_active Expired - Fee Related
- 1996-06-05 WO PCT/DE1996/000988 patent/WO1996041938A1/de not_active Ceased
- 1996-06-05 JP JP9502478A patent/JPH10504087A/ja not_active Withdrawn
- 1996-06-05 US US08/776,707 patent/US5823166A/en not_active Expired - Lifetime
- 1996-06-05 DE DE59604365T patent/DE59604365D1/de not_active Expired - Lifetime
- 1996-06-05 EP EP96919631A patent/EP0775257B1/de not_active Expired - Lifetime
- 1996-06-05 CN CN96190622A patent/CN1087394C/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10122154A1 (de) * | 2001-05-08 | 2002-11-14 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zur Erkennung der Laufunruhe bei Vier-Takt-Verbrennungsmotoren |
| DE10122154B4 (de) * | 2001-05-08 | 2014-11-20 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtung zur Erkennung der Laufunruhe bei Vier-Takt-Verbrennungsmotoren |
| US7373928B2 (en) | 2006-05-31 | 2008-05-20 | Joseph Thomas | Method for starting a direct injection engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10504087A (ja) | 1998-04-14 |
| EP0775257A1 (de) | 1997-05-28 |
| DE19521277A1 (de) | 1996-12-12 |
| DE59604365D1 (de) | 2000-03-09 |
| CN1157023A (zh) | 1997-08-13 |
| CN1087394C (zh) | 2002-07-10 |
| WO1996041938A1 (de) | 1996-12-27 |
| US5823166A (en) | 1998-10-20 |
| KR100413558B1 (ko) | 2004-05-24 |
| KR970704961A (ko) | 1997-09-06 |
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