WO2006005422A1 - Verfahren zur regelung des kompressionszüdbetriebes einer brennkraftmaschine - Google Patents
Verfahren zur regelung des kompressionszüdbetriebes einer brennkraftmaschine Download PDFInfo
- Publication number
- WO2006005422A1 WO2006005422A1 PCT/EP2005/006786 EP2005006786W WO2006005422A1 WO 2006005422 A1 WO2006005422 A1 WO 2006005422A1 EP 2005006786 W EP2005006786 W EP 2005006786W WO 2006005422 A1 WO2006005422 A1 WO 2006005422A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control
- value
- fuel
- cylinders
- combustion
- 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.)
- Ceased
Links
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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/028—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the combustion timing or phasing
-
- 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
- F02D41/008—Controlling each cylinder individually
- F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
-
- 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
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Definitions
- the invention relates to a method for controlling the Kompressionszünd stipulatees a reciprocating internal combustion engine having a plurality of cylinders according to the preamble of patent claim 1.
- compression ignition offers the possibility of fuel combustion for driving the internal combustion engine with good thermal efficiency and low formation of nitrogen oxides due to the formation and combustion of lean fuel / air mixtures in the cylinders of the internal combustion engine.
- the mixture is brought by adding combustion exhaust gases to a higher temperature level and thereby brought to the compression of the next cycle of the respective cylinder for self-ignition.
- a spark-ignited mode is usually provided in higher load ranges of the internal combustion engine.
- the temperature increase to trigger the compression ignition is usually caused by the retention of exhaust gases, for which a corresponding adjustment of the valve undercut the timing of the gas exchange valves is provided and retained by appropriate closing of the exhaust valve exhaust gases in the combustion chamber.
- DE 102 15 674 Al provides for improving and controlling the combustion behavior of the internal combustion engine, a method for controlling the Kompressionszündungs seses, in which an actual value of a process influenced by the fuel combustion parameter is detected and by changing an operating parameter, on which the formed in the combustion chamber Mixture is changeable, nach booklet a predetermined setpoint.
- the position of a 50% mass conversion point of the fuel conversion during combustion also known as the center of gravity of the combustion, for example, determined from the measurement signal of a projecting into the combustion chamber ion current probe or a pressure sensor arranged in the combustion chamber in the known method. If the determined mass conversion point deviates from the predetermined desired value, the actual value is adjusted in the control loop of the known method by varying the valve control times and / or a fuel injection strategy.
- the variation of the valve timing should be made in the known method by camshaft adjuster, where alternatively the variation of the valve timing should be done by an electromagnetic valve control or other variable valve timing devices. For this purpose, camshafts with phasers or switchable bucket tappets with variable valve lift limit are proposed.
- the time of fuel injection or the duration of the injection or the injected fuel quantity or possibly the timing of the injection should be modified.
- a method for controlling the compression ignition operation in which by means of a projecting into the combustion chamber pressure sensor, the beginning of the combustion process to be detected. At this continuously measurable characteristic of the operation of the internal combustion engine is monitored by a control of the engine temperature, the pressure or the mixture properties or the air ratio in the exhaust gas.
- the present invention has for its object to provide a method for controlling the Kompressionszünd istes a multi-cylinder reciprocating internal combustion engine, are avoided with the uncontrolled autoignition and fuel burns.
- two control loops are provided, wherein in a first control loop, an average value of all cylinders influenced by a parameter is detected and regulated to a global set point with a control variable supplied to all cylinders.
- characteristic quantities recorded on each cylinder are adjusted to each other by individually determined control variables.
- a desired value for the individual adjustment of the measured characteristics of the respective cylinders is predefined, which is provided in a map memory for demand-based removal.
- the mean value of the measured characteristic variables of all cylinders can also be used as setpoint value of the control in the second control circuit, whereby small differences between the desired value and the actual value are to be compensated for and thus rapid adjustment of the combustion behavior can take place.
- the 50% mass conversion point of the fuel conversion during combustion is preferably detected.
- This parameter can be determined by measuring signals from projecting into the combustion chambers of the cylinder sensors by appropriate algorithms.
- sensors come into consideration pressure sensors or the measurement of the degree of ionization in the combustion chamber by means of an ion current sensor, which is particularly advantageous without structural complexity formed by the electrodes of a planned for the spark ignition operation of the internal combustion engine spark plug.
- Combustion behavior in the cylinder is preferably the duration of a pilot injection of fuel used, which significantly affects the combustion behavior and is adjustable with precise action.
- the preinjection duration can form the manipulated variable in both control circuits, with the output value of the first control circuit forming the input value of the second control circuit and thus a rapid adjustment the optimal Kompressionszündungs joses on the individual cylinders is possible.
- a change in the timing of the gas exchange valves can in the first control loop as a control variable for adjusting the actual value the parameter, the timing of a gas exchange valve can be changed by means of the adjustable valve train.
- a global characteristic value can be measured in the first control circuit by detecting the air ratio in the exhaust gas with little effort. If the control of the air ratio in the first control loop and the equality of the cylinders in the second control loop over the injection period in a control with two control loops, a further optimization of the cylinder settings can be done by a final equalization of the operating loads of the individual cylinders by adaptation in a third control loop the duration of a main injection is made on the respective cylinder.
- Showing: 1 shows a schematic illustration of a multi-cylinder internal combustion engine with a regulator unit for the compression ignition operation
- the reciprocating internal combustion engine 1 shown in Fig. 1 has four cylinders 2 1 -4, in which fuel mixed with combustion air and is burned to drive the piston.
- the combustion air is supplied in a known manner via a suction pipe 3, to which all cylinders 2i_ 4 are connected by their inlet channels.
- an injector 5 is associated with each cylinder 2 ⁇ _ 4 , which injects fuel directly into the combustion chamber.
- the injection parameters such as start of injection, duration of injection, injection time and timing of individual partial injections are performed by a control unit 10 as a function of the operating point of the internal combustion engine.
- each cylinder 2i_ 4 has intake valves and exhaust valves forcibly piloted by camshafts 8 via a valvetrain 9 become.
- two camshafts 8 are provided which respectively control the intake valves and the exhaust valves of the cylinder 2 1 - 4 .
- the internal combustion engine 1 is operated at least in wide load ranges with compression ignition.
- Otto fuel is used for higher loads a spark ignition operation is provided in which formed with the fuel and the supplied combustion air, a stoichiometric mixture and ignited by the spark of a spark plug.
- Kompressionszünd stipulate the combustion air is fed unthrottled and formed with the directly injected fuel, a lean mixture.
- combustion exhaust gas of the last cycle of the cylinder is retained in the combustion chamber and thus raises the temperature level of the fresh charge, which is brought to self-ignition in the subsequent compression stroke.
- the valve train 9 of the gas exchange valves is variably adjustable such that a variation of the timing is possible. In the compression ignition mode, other control times are set than in the spark ignition operation in order to ensure the required exhaust gas retention.
- the valve drive 9 is controlled by the control unit 10 and brought into the position corresponding to the desired exhaust gas retention.
- the controller unit 10 has access to a characteristic map memory 11, from which the operating parameters of the internal combustion engine to be set by the controller unit are kept ready for each operating point.
- the controller unit controls the compression ignition operation of the internal combustion engine and monitors the adjustment of the combustion behavior in each cylinder, wherein an intervention in the combustion behavior by changing the injection parameters and / or the adjustment of the cam drive is possible.
- the parameters for the control with information about the actual combustion process in the compression ignition is obtained by sensor 6, which are provided in each cylinder 2i_ 4 and protrude into the respective combustion chamber.
- information about the combustion can be obtained from the measurement signal of a lambda probe 7 in the exhaust line 4, which provides information about the residual oxygen in the exhaust gas to the control unit 10.
- two control loops are provided, wherein in a first control loop an average value of all cylinders is detected and adjusted to a global setpoint with all cylinders supplied to a global setpoint, and in a second control loop acquired characteristics are adjusted to each other by individually determined control variables , Control circuits for equalizing a parameter to a desired value are shown in FIGS. 2 to 5.
- FIG. 2 as a parameter of the combustion process, the position of the 50% mass conversion point of the fuel conversion during combustion is determined from a measurement signal which is obtained in the combustion chamber by means of a sensor 6 arranged there.
- the sensor may be a pressure sensor or an ion current sensor 6, from which the heating process during the combustion process can be determined.
- the actual value Hso, i st of the 50% mass conversion point is compared with a desired value, which can be taken from the map memory. If the actual value deviates from the desired value, the duration of a pilot fuel injection is influenced by the position of the mass conversion point.
- the control circuit shown in Fig. 2 can be used both as a first and as a second control circuit in the context of the control according to the invention with two control circuits.
- FIG. 3 shows a first control loop 20, in which the air ratio lambda in the combustion exhaust gas is detected by means of a lambda probe 7 of the outlet line as a parameter. If the actual value deviates from the setpoint value, the combustion behavior is changed by a corresponding change in a manipulated variable.
- the actuator in the control loop 20 forms the variably adjustable valve train of the gas exchange valves, wherein preferably the phase position AV of the exhaust valve is varied, since the exhaust phase has a significant influence on the retention of exhaust gases in the combustion chamber and thus the combustion position in KompressionsZündungs beautiful.
- phase position AV of the outlet valve forms the manipulated variable 12 and the parameter 13 in the control circuit is the 50% mass conversion point.
- the actual position of the mass conversion point, which is to be compared with the desired value, is obtained from the signal of a pressure sensor or an ion current sensor in the combustion chamber.
- Fig. 5 shows a control circuit 20 for the
- Compression ignition operation of an internal combustion engine in which the signal from a pressure sensor, the average pressure of the cylinder is obtained.
- the mean value is adjusted in the control loop 20 to a desired value, wherein the manipulated variable 12 in the control loop is the duration of a main injection HE of the respective cylinder.
- This control loop is preferably used for the cylinder-specific regulation according to the invention for the equalization of the loads of all cylinders.
- an average value of the individual pressure sensors can be formed as desired value of the mean pressure and the load on the respective cylinder can be adjusted by adjusting the duration of injection.
- FIG. 6 shows a control according to the invention of the compression ignition operation with two control circuits.
- the first control circuit 20 corresponds to the representation of the control circuit in Fig. 4, wherein control measures take place via the variation of the exhaust phase AV of the exhaust valve.
- the position of the 50% mass conversion point is determined from the measurement signals of the ion current sensors in the combustion chambers, wherein an average value 14 of the parameters is input as the actual value in the control loop 20.
- the mean value 14 is compared with a global target value 15, which is taken from the map memory 11 and adjusted by adjusting the phase position of the exhaust valve.
- the output value of the controller is a setting command .DELTA.AV to the valve train for changing the phase position of the exhaust camshaft, which is linked to a basic value that can be removed from the map 11 as a function of the operating point of the internal combustion engine.
- an equalization of possibly different positions of the 50% mass conversion points of the individual cylinders takes place by the actual position of the mass conversion point being adapted to a predetermined desired value by adjusting the duration of the fuel injection.
- an average value 14 of all measured characteristic quantities can be input or, alternatively, a base setpoint value 15 can be read from the characteristic diagram 11 in accordance with the present operating point.
- a change in the injection duration ⁇ Ti determined as a manipulated variable 12, which is linked to each cylinder with a basic value of the injection period Ti, which is available from the map memory 11 depending on the operating point.
- the pre-injection duration is used as manipulated variable 12 in both control circuits 20, 30.
- an average 14 of the positions of the 50% mass conversion point and the actual value in the control loop 20 is fed from the ion current signals measured as characteristic value 13 on each cylinder 2i- 4 .
- a correction value of the pilot injection duration ⁇ Ti which is added to a base value Ti corresponding to the operating point of the pilot injection duration, and a global control variable Ti-global are formed for all injectors.
- This control variable formed at the output of the first control loop 20 is used in the second control loop as an input variable.
- This manipulated variable is added to each correction value of the preinjection duration, which was determined from the respective positions of the 50% mass conversion points of the individual cylinders.
- Fig. 9 shows a possibility for further accuracy of the alignment of the combustion layers in all cylinders.
- a control structure similar to the strategy of FIG. 8 with a regulation of the air ratio lambda by adjusting the phasing of the exhaust valve AV in the first control circuit and a cylinder-specific control of the 50% - mass conversion point with the pilot injection as a control variable in the second loop is followed by a third control circuit 40.
- the accuracy of the equalization of all combustion positions of the individual cylinders is achieved by equalizing the operating loads of the individual cylinders by adjusting the main injection duration of the respective cylinder.
- the mean cylinder pressure P m i is determined as a parameter in the third control circuit 40 on each cylinder and approximated by varying the main injection duration ⁇ Ti as a manipulated variable a setpoint, which is calculated as the average value 14 from the individual cylinder pressures.
- the cylinder-individually determined correction values of the main injection duration are weighted with a basic value Ti of the main injection duration, which is taken from a characteristic map as a function of the present operating point of the internal combustion engine.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007519664A JP2008505280A (ja) | 2004-07-08 | 2005-06-23 | 内燃機関の圧縮点火モードを制御する方法 |
| US11/650,591 US20070144481A1 (en) | 2004-07-08 | 2007-01-05 | Method for controlling the compression ignition mode of an internal combustion engine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004032986A DE102004032986A1 (de) | 2004-07-08 | 2004-07-08 | Verfahren zur Regelung des Kompressionszündbetriebes einer Brennkraftmaschine |
| DE102004032986.9 | 2006-07-07 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/650,591 Continuation-In-Part US20070144481A1 (en) | 2004-07-08 | 2007-01-05 | Method for controlling the compression ignition mode of an internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006005422A1 true WO2006005422A1 (de) | 2006-01-19 |
Family
ID=35058808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2005/006786 Ceased WO2006005422A1 (de) | 2004-07-08 | 2005-06-23 | Verfahren zur regelung des kompressionszüdbetriebes einer brennkraftmaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070144481A1 (de) |
| JP (1) | JP2008505280A (de) |
| DE (1) | DE102004032986A1 (de) |
| WO (1) | WO2006005422A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8229648B2 (en) | 2007-03-06 | 2012-07-24 | GM Global Technology Operations LLC | Method and apparatus for controlling fuel injection in a homogeneous charge compression ignition engine |
| FR2919146A1 (fr) * | 2007-07-19 | 2009-01-23 | Gen Electric | Appareil a rayons x |
| US7966992B2 (en) * | 2009-02-15 | 2011-06-28 | Ford Global Technologies, Llc | Combustion control using ion sense feedback and multi-strike spark to manage high dilution and lean AFR |
| DE102009028638A1 (de) | 2009-08-19 | 2011-02-24 | Robert Bosch Gmbh | Verfahren zum Ausgleichen von Gaswechsel-Verlusten zwischen Brennräumen eines Ottomotors |
| US10774773B2 (en) * | 2011-01-28 | 2020-09-15 | Wayne State University | Autonomous operation of electronically controlled internal combustion engines on a variety of fuels and/or other variabilities using ion current and/or other combustion sensors |
| AT513359B1 (de) * | 2012-08-17 | 2014-07-15 | Ge Jenbacher Gmbh & Co Og | Verfahren zum Betreiben einer Brennkraftmaschine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999042718A1 (en) | 1998-02-23 | 1999-08-26 | Cummins Engine Company, Inc. | Premixed charge compression ignition engine with optimal combustion control |
| DE19810935A1 (de) * | 1998-03-13 | 1999-09-16 | Daimler Chrysler Ag | Verfahren zum Betrieb einer im Viertakt arbeitenden Hubkolben-Brennkraftmaschine |
| US6158418A (en) * | 1998-03-06 | 2000-12-12 | Caterpillar Inc. | Method for balancing the air/fuel ratio to each cylinder of an engine |
| DE19952096A1 (de) * | 1999-10-29 | 2001-05-10 | Daimler Chrysler Ag | Brennkraftmaschine mit Kompressionszündung |
| DE10215674A1 (de) * | 2002-04-10 | 2003-10-30 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Brennkraftmaschine |
| EP1435445A1 (de) * | 2002-12-30 | 2004-07-07 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Brennkraftmaschine, Verfahren für selbstgezündeten Betrieb und computerlesbares Speichermedium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880000160B1 (ko) * | 1983-10-14 | 1988-03-12 | 미쓰비시전기 주식회사 | 기관의 공연비 제어 장치 |
| US4867123A (en) * | 1988-06-02 | 1989-09-19 | General Motors Corporation | Adaptive spark timing controller for an internal combustion engine |
| JPH1182134A (ja) * | 1997-09-03 | 1999-03-26 | Fuji Heavy Ind Ltd | 筒内燃料噴射エンジンの高圧燃料系診断装置及び制御装置 |
| JP4345688B2 (ja) * | 2005-02-24 | 2009-10-14 | 株式会社日立製作所 | 内燃機関の診断装置および制御装置 |
-
2004
- 2004-07-08 DE DE102004032986A patent/DE102004032986A1/de not_active Withdrawn
-
2005
- 2005-06-23 JP JP2007519664A patent/JP2008505280A/ja active Pending
- 2005-06-23 WO PCT/EP2005/006786 patent/WO2006005422A1/de not_active Ceased
-
2007
- 2007-01-05 US US11/650,591 patent/US20070144481A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999042718A1 (en) | 1998-02-23 | 1999-08-26 | Cummins Engine Company, Inc. | Premixed charge compression ignition engine with optimal combustion control |
| US6158418A (en) * | 1998-03-06 | 2000-12-12 | Caterpillar Inc. | Method for balancing the air/fuel ratio to each cylinder of an engine |
| DE19810935A1 (de) * | 1998-03-13 | 1999-09-16 | Daimler Chrysler Ag | Verfahren zum Betrieb einer im Viertakt arbeitenden Hubkolben-Brennkraftmaschine |
| DE19952096A1 (de) * | 1999-10-29 | 2001-05-10 | Daimler Chrysler Ag | Brennkraftmaschine mit Kompressionszündung |
| DE10215674A1 (de) * | 2002-04-10 | 2003-10-30 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Brennkraftmaschine |
| EP1435445A1 (de) * | 2002-12-30 | 2004-07-07 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Brennkraftmaschine, Verfahren für selbstgezündeten Betrieb und computerlesbares Speichermedium |
Non-Patent Citations (1)
| Title |
|---|
| HARALDSSON G. ET AL.: "HCCI Combustion Phasing with Closed-Loop Combustion Control Using Variable Compression Ratio in a Multi Cylinder Engine", SAE TECHNICAL PAPERS SERIES, no. 2003-01-1830, 19 March 2003 (2003-03-19), DETROIT, XP002349803 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008505280A (ja) | 2008-02-21 |
| US20070144481A1 (en) | 2007-06-28 |
| DE102004032986A1 (de) | 2006-02-09 |
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