EP1907681A1 - Determination du calage de l' injection dans un moteur thermique a cycle a quatre temps - Google Patents
Determination du calage de l' injection dans un moteur thermique a cycle a quatre tempsInfo
- Publication number
- EP1907681A1 EP1907681A1 EP06778875A EP06778875A EP1907681A1 EP 1907681 A1 EP1907681 A1 EP 1907681A1 EP 06778875 A EP06778875 A EP 06778875A EP 06778875 A EP06778875 A EP 06778875A EP 1907681 A1 EP1907681 A1 EP 1907681A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- engine
- operating
- timing
- correct
- injection
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
-
- 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
-
- 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
- F02D2041/0092—Synchronisation of the cylinders at engine start
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/02—Four-stroke combustion engines with electronic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/065—Introducing corrections for particular operating conditions for engine starting or warming up for starting at hot start or restart
Definitions
- the invention relates to a method for determining the timing of the injection cycle with respect to the operating cycle of a four-cycle cycle heat engine, as well as an implementation device.
- each of the cylinders of a four-stroke engine is two crankshaft revolutions.
- the same angular position of the crankshaft can therefore correspond to two distinct times in the operating cycle of the cylinder.
- the identification of the angular position of the crankshaft is not sufficient to identify the phases of the cycle of the cylinder concerned, it is known to use additional information to lift the indeterminacy of a half cycle on the injection period .
- the invention more particularly relates to a method for determining the phase of the cycle in the absence of angular position sensor at the camshaft.
- it is known to operate the engine by modifying at least a first operating parameter of the engine (for example by increasing the injection duration), and to determine the effect of this modification on the operation of the engine, the modification being adapted to cause different effects on the operation of the engine, depending on whether the timing is correct or at the wrong time.
- the modification of the injection parameter generally induces a modification of the engine operation which can be felt unpleasantly by the occupants of the vehicle, such as for example jerks from the engine, whether the timing is correct or out of order. .
- the subject of the invention is a method for determining the timing of the injection cycle with respect to the operating cycle of an engine cylinder, reducing the risk of unpleasant sensation for the occupants of the vehicle.
- the method of the invention includes the step of simultaneously modifying the first operating parameter of the motor by modifying a second operating parameter of the motor adapted to cause on the operation of the motor effects that compensate for the effects of changing the first operating parameter of the engine when the calibration is correct, and that do not compensate for the effects of the modification of the first engine operating parameter when the setting is to setbacks.
- the driver feels no effect due to the implementation of the method of the invention. If stalling is off-set timing, simply stop the implementation of the process before its effects can be felt unpleasantly by the driver.
- FIG. 1 is a schematic perspective view of a four-cylinder in-line heat engine operating on a four-stroke operating cycle
- FIG. 2 is a schematic sectional view along the line II -II of Figure 1 at one of the engine cylinders;
- FIG. 3 is a diagram showing, as a function of time, the operating cycle times of the four engine cylinders of FIGS. 1 and 2 as well as the associated ignition and injection cycles;
- FIG. 4 is a diagram similar to the diagram of FIG. 3 showing the implementation of the method of the invention when the initial calibration is the correct age;
- FIG. 5 is a diagram similar to the diagram of FIG. 3 showing the implementation of the method of the invention when the initial setting is the setback timing;
- FIG. 6 is a graph comprising, traces as a function of time, a curve of the engine torque before and during the implementation of the method of the invention, the initial calibration being the correct timing, and curves of the deviations of the modified parameters. relative to nominal values when carrying out the process of the invention;
- Figure 7 is a graph with a torque curve similar to that of Figure 6 when the initial setting is the mishap wedge.
- FIG. 1 the implementation of the method of the invention is illustrated here in application to an indirect injection four-stroke heat engine.
- the engine illustrated comprises a block 10 delimiting four in-line cylinders 1, 2, 3, 4 and comprises a crankshaft 5 which is seen here the projecting end of the block 10.
- the operating cycle of each of the cylinders comprises an admission time, a compression time, a relaxation time and an exhaust time.
- Each time represents a quarter cycle of operation, a half-turn of crankshaft.
- each cylinder defines a chamber 11 closed on one side by a cylinder head 12 and on the other side by a piston 13 movable to slide in the cylinder between two extreme positions (top dead center and point low dead) and connected to the crankshaft by a connecting rod 14.
- the cylinder head 12 carries: - an intake valve 15 which is controlled to open during the admission time of the cylinder operating cycle, as shown here;
- an exhaust valve 16 which is controlled to open during the exhaust time of the operating cycle of the cylinder
- a spark plug 17 which is controlled to generate a spark during the compression cycle, but also, in this case, during the exhaust cycle;
- an injector 18 which is placed in the intake manifold upstream of the intake valve 15 and which is controlled to inject fuel during the exhaust time if the injection is properly wedged with respect to the operating cycle of the engine.
- the engine 10 is preferably associated with a calculator 20 ensuring among other things the timing of the ignition cycle and the injection cycle with respect to the operating cycle of the engine.
- the engine comprises an angular position sensor 6 adapted to locate the passage of the crankshaft at a given angular position, corresponding for example to the top dead center of the cylinder 1.
- the sensor 6 generates a synchronization signal to the computer 20.
- each of the cylinders operates in a four-stroke cycle, each of the times representing a half-turn of the crankshaft.
- the times are referenced ADM for admission, COMP for compression, DET for relaxation and ECH for exhaust.
- the pistons are at the top dead center at the end of the compression and exhaust times, and at the bottom dead center at the end of the intake and expansion times.
- a useful spark (symbolized in FIG. 3 by a black flash) is generated during the compression time COMP in order to initiate the explosion of the fuel / oxidant mixture in the chamber 11.
- a useless spark is also produced during the escape time ECH (symbolized in Figure 3 by a white flash).
- the ignition cycle has two sparks per operating cycle, the two sparks being separated by a half cycle of operation, a crankshaft revolution. Each time, the spark is produced with a spark ignition advance a. relative to the top dead center TDC in which the piston is at the end of the compression time or the exhaust time.
- the identification of the top dead center PMH of the cylinder 1 by means of the sensor 6 installed on the crankshaft thus makes it possible to calibrate without error the ignition cycle with respect to the operating cycle.
- the ignition cycle of the cylinder 1 and the cylinder 4 are identical, while the ignition cycle of the cylinder 2 and the cylinder 3 are shifted by a quarter of an operating cycle, ie a half-turn crankshaft. It is therefore easy, after stalling the ignition cycle of the cylinder 1, to set the ignition cycles for the other cylinders.
- the situation is different for the injection cycle. Indeed, the injection takes place only once per operating cycle, normally during the exhaust time ECH. In FIG. 3, the injection is symbolized by a black rectangle whose length is proportional to a nominal injection duration T.
- the information of top dead center is not enough because this one information does not distinguish if the corresponding cylinder is, following the top dead center, in the admission time ADM or in the relaxation time DET.
- the injection cycle can be properly wedged so that the injection occurs during the escape time ECH, but can also be wedged at the wrong time, as illustrated by the dashed rectangles, that is to say that the injection takes place during the compression time COMP.
- injection cycles are, for cylinders 1,3,4,2, respectively, shifted by a quarter of the operating cycle of the engine, as the operating cycles of the cylinders themselves. It is therefore sufficient to properly calibrate the injection cycle with respect to the operating cycle of the cylinder 1, the setting for the other cylinders is easily deduced by shifting the appropriate number of quarters of operating cycles.
- the computer 20 is programmed according to the invention to, at engine start, operate the engine according to a setting that was stored during previous operation. Indeed, this calibration, which was a correct setting for the previous operation, is likely to be still a correct setting for the current operation if the vehicle has not been moved while the engine was stopped , that is, in the vast majority of cases. To check whether this calibration is indeed a correct setting for the current operation, and as shown in FIGS.
- the computer 20 is programmed to, with regard to the cylinders 1 and 3, to increase the injection time to pass a nominal injection time T at an increased injection time T ', and, as regards the cylinders 4 and 2, reduce the injection time to change from a nominal injection time T to a decreased injection time T''.
- the variation in injection duration is symbolized by black rectangles of length greater or smaller than the length of the corresponding rectangles of FIG. 3.
- the computer 20 is programmed to increase the ignition advance with respect to the sparks that are produced during the time of the cylinder 1 in which the injection takes place.
- the ignition advance thus goes from a nominal ignition advance a to an increased ignition advance a '.
- the calculator is adapted, for these same cylinders, to reduce the ignition advance for the other sparks, and to thus pass the advance on ignition of a advance at the nominal ignition at an advance at reduced ignition at ''.
- the computer 20 is programmed to increase the ignition advance of the sparks produced during the time of the cylinder 3 during which the injection takes place, and decrease the spark advance of other sparks.
- each cylinder the sparks are successively produced with an increased ignition advance a 'and a decreased ignition advance a' '.
- FIG. 4 illustrates the implementation of the method of the invention during an operation of the engine for which timing of the injection cycle with respect to the operating cycle is correct.
- the injection therefore takes place during the escape time ECH.
- the fuel enters the cylinders during the ADM admission time immediately following the exhaust time ECH.
- the increased injection time T 'contributes to enrich the admitted mixture and should, all things being equal, cause an increase in engine torque.
- the decrease in the ignition advance of the useful spark contributes, all things being equal, to cause a decrease in the engine torque.
- the reduction of the ignition advance of the useful spark therefore compensates for the increase in the injection duration so that the torque produced by the cylinders 1 and 3 during the expansion time DET is identical to the torque produced by these same cylinders before the implementation of the process of the invention.
- the torque is symbolized in FIG. 4 by a star during the compression time COMP.
- the intensity of the torque (represented by the size of the star) is identical to the intensity of the torque generated by these same cylinders during the normal operation illustrated in FIG. 2, the useful sparks (in black) have an increased ignition advance a '.
- the decreased injection time T '' contributes to depleting the mixture admitted and should, all things being equal, cause a decrease in engine torque.
- the increase in the ignition advance of the useful spark contributes, all things being equal, to cause an increase in the engine torque.
- the increase of the ignition advance of the useful spark therefore compensates for the reduction of the injection duration so that the torque produced by the cylinders 4 and 2 during the expansion time DET is identical to the torque produced by these same cylinders before the implementation of the method of the invention. So, if the timing of the injection is correct, changes in injection time and ignition advance compensate so that the torque undergoes little or no change.
- the assumed operating cycle and the actual operating cycle which is offset from the assumed operating cycle of one half cycle of operation, are entered.
- the injection then takes place not during the escape time ECH, but during the compression time COMP, offset with respect to the escape time ECH of a half-cycle of operation.
- the fuel then enters the cylinder for the next ADM admission time, i.e., three times after the COMP compression time.
- the useful sparks that is, those produced during the compression time COMP, exhibit an increased ignition advance a '.
- the increased injection time T 'of the cylinders 1 and 3 is no longer compensated by a decrease in the ignition advance.
- the effects of increasing injection time and increasing ignition timing are added here to increase Tensity of the torque produced during the relaxation times DET by the cylinders 1 and 3.
- the increase in the intensity of the torque is symbolized by stars of increased size.
- the useful sparks in black have a decreased ignition advance at ''.
- the decreased injection time T '' of the cylinders 4 and 2 is no longer compensated by an increase in the ignition advance.
- the effects of the reduction of the injection duration and the decrease of the ignition advance are added here to reduce the intensity of the torque produced during the relaxation times DET by the cylinders 4 and 2.
- the decrease in the intensity of the torque is symbolized by stars of diminished size.
- the computer 20 shifts the injection cycle of a half-cycle of operation (or a crankshaft revolution) to involve the injection during the exhaust time ECH.
- the computer 20 then returns the injection duration and the ignition advance to their nominal values, and stores the current gear.
- the modifications of the injection duration and of the ignition advance are preferably carried out progressively so that the cumulative effects of these increases on the engine torque This is a gradual intervention which contributes to minimizing the possibly unpleasant feeling that can be felt by the passengers of the vehicle during the torque changes resulting from counter-clocking (in practice very rare).
- FIG. 6 is illustrated in bold lines the engine torque 100.
- a learning phase A the engine is operated at a given operating point.
- the torque curve shown obtained by continuous measurement by means of a torque sensor, exhibits fluctuations around a mean torque.
- the computer 20 is programmed to determine a threshold 101 of engine torque.
- the threshold 101 is determined progressively, by learning, until reaching a stationary value S which will be retained for the implementation of the method of the invention.
- the threshold value S is the torque value which, on average, is exceeded only once every 10 or 20 operating cycles of the engine.
- an average of the torque is measured and a difference which depends on the operating speed and which is calibrated on a reference motor is added to this average.
- FIG. 6 also illustrates an injection curve 102 showing the differences ⁇ T of the injection duration with respect to a nominal injection time T corresponding to the operating point selected, as well as an advance curve at 1 103 showing the differences ⁇ a of the ignition advance with respect to a advance at the nominal ignition a corresponding to the operating point retained.
- a determination phase B the method of the invention is implemented by modifying the injection duration 102 to successively increase it for two times for the injection into the cylinders 1 and 3, and decrease it during the two following times for the injection into the cylinders 4 and 2. Then, for the next two times, the injection time is again increased, this time by a larger quantity, and then the injection time is decreased. for the next two times of the same quantity. This continues to increase and decrease the injection time, each time a larger amount.
- the ignition advance is increased for two times for all the cylinders, then the ignition advance is reduced for two times for all the cylinders.
- the portion of the ignition advance curve 103 during the determination phase B has a shape similar to that of the injection curve 102.
- the quantity of which the ignition advance is advantageously modified is chosen so that the effect of the modification of the ignition advance compensates for the effect of the concomitant modification of the injection duration in case of calibration. correct.
- the torque curve 100 thus has, during the determination phase B, a profile similar to the torque curve 100 during the learning phase. The passengers of the vehicle do not feel anything.
- the motor torque curve 100 has, for two times, an increase, then, during the two following times, a decrease.
- the engine torque 100 eventually exceed the threshold S, while in case of correct timing, the torque never exceeds (or very episodic) the threshold S.
- an exceedance criterion for example by counting the number of times the engine torque exceeds the threshold S during the implementation time of the method of the invention, it is then very simple to determine whether the setting selected for the operation the engine is a proper timing or timing off.
- the implementation of the method of the invention is stopped sufficiently early so that the possible effects of the modifications on the engine torque do not have time to become uncomfortable for the passengers.
- the computer 20 is programmed so that, when the engine is started, the engine is operated according to a setting which has been memorized during the preceding operation which, as already explained, has every chance to be the correct setting.
- the computer is programmed to simultaneously modify the injection duration and the ignition advance with respect to nominal operating conditions.
- the computer 20 calculates an average of a magnitude representative of the fluctuations of the engine torque, for example the difference between a maximum and a minimum torque, during a determined time interval of the engine. order of a few motor cycles.
- the fuel cycle of the injection cycle is voluntarily reversed.
- the computer 20 simultaneously changes the injection duration and the ignition advance, and calculates an average of the same magnitude during the same determined time interval. It is then sufficient to compare the two averages thus obtained. Insofar as the effects of the modifications are cumulative in the case of off-set timing, the average corresponding to the offset timing is greater than for a correct timing. It is therefore sufficient to select the calibration corresponding to the smallest average to determine the correct setting.
- this mode of implementation lies in the lack of learning for the determination of a threshold, which saves time. It also avoids the use of a calibrated threshold on a reference engine, which makes this mode of implementation less sensitive to dispersions between vehicles.
- this mode of implementation requires the operation, systematically, of the engine according to the off-set timing, which can generate some vibrations that can be felt by passengers. In practice, however, the discomfort is very limited.
- the engine operating parameters modified are the injection duration and the ignition advance, other parameters may be modified, while the modifications of the parameters have, on the operation of the motor (on the torque as here, but also on other quantities such as speed of rotation, noise ...) effects that compensate for a correct setting, and which do not compensate during a stalling.
- the engine is operated with a setting corresponding to a setting of a previous operation, which allows to select almost surely a correct setting, we can do without this step , and for example choose a random setting. This reduces the probability that the setting chosen initially is a correct setting. However, at least for every other case, the rigging chosen is correct and does not give rise to any noticeable sensation for the passengers, which may be acceptable from the point of view of passenger comfort.
- the parameter changes are progressively made to gradually highlight the effects of changes in the parameters on the operation of the engine, this provision is not necessary for the implementation. of the process of the invention and it is possible to apply standard, non-progressive modifications.
- the operating point chosen to implement the process of the invention is totally arbitrary. Preferably, however, one will choose an operating point corresponding to a stabilized idle at the start of the vehicle. In any case, the method of the invention can be implemented at any time of the operation of the vehicle.
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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Electric Motors In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Control Of Stepping Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0507817A FR2888885B1 (fr) | 2005-07-22 | 2005-07-22 | Procede de determination du calage de l'injection dans un moteur thermique a cycle a quatre temps, et dispositif de mise en oeuvre |
| PCT/FR2006/001750 WO2007010129A1 (fr) | 2005-07-22 | 2006-07-18 | Determination du calage de l' injection dans un moteur thermique a cycle a quatre temps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1907681A1 true EP1907681A1 (fr) | 2008-04-09 |
| EP1907681B1 EP1907681B1 (fr) | 2009-04-22 |
Family
ID=36128372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06778875A Not-in-force EP1907681B1 (fr) | 2005-07-22 | 2006-07-18 | Determination du calage de l' injection dans un moteur thermique a cycle a quatre temps |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7783412B2 (fr) |
| EP (1) | EP1907681B1 (fr) |
| JP (1) | JP4971320B2 (fr) |
| AT (1) | ATE429575T1 (fr) |
| DE (1) | DE602006006453D1 (fr) |
| FR (1) | FR2888885B1 (fr) |
| WO (1) | WO2007010129A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4561816B2 (ja) * | 2007-11-27 | 2010-10-13 | トヨタ自動車株式会社 | 内燃機関の異常判定装置および異常判定方法 |
| FR2926110B1 (fr) * | 2008-01-09 | 2013-03-22 | Siemens Vdo Automotive | Dispositif de controle de fonctionnement d'un moteur a combustion interne, a rephasage perfectionne d'evenements d'injection. |
| FR2932225B1 (fr) * | 2008-06-06 | 2011-04-29 | Peugeot Citroen Automobiles Sa | Strategie et commande de demarrage d'un moteur a combustion |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4418577A1 (de) * | 1994-05-27 | 1995-11-30 | Bosch Gmbh Robert | Einrichtung zur Regelung einer Brennkraftmaschine |
| US5979413A (en) * | 1996-03-01 | 1999-11-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Cylinder judging device for internal combustion engine |
| JP3299120B2 (ja) * | 1996-08-01 | 2002-07-08 | 本田技研工業株式会社 | 内燃機関の気筒別空燃比推定装置 |
| JPH1073040A (ja) * | 1996-08-29 | 1998-03-17 | Honda Motor Co Ltd | 内燃機関の空燃比制御装置 |
| JP3771454B2 (ja) * | 2001-02-21 | 2006-04-26 | 本田技研工業株式会社 | 内燃機関の制御装置 |
| DE10122247B4 (de) * | 2001-05-08 | 2004-06-24 | Robert Bosch Gmbh | Verfahren zur Phasenerkennung bei einer Brennkraftmaschine |
| JP2003120367A (ja) * | 2001-10-15 | 2003-04-23 | Honda Motor Co Ltd | 内燃機関の燃料噴射制御装置 |
| JP2006152857A (ja) * | 2004-11-26 | 2006-06-15 | Honda Motor Co Ltd | 内燃機関の点火時期制御装置 |
-
2005
- 2005-07-22 FR FR0507817A patent/FR2888885B1/fr not_active Expired - Fee Related
-
2006
- 2006-07-18 EP EP06778875A patent/EP1907681B1/fr not_active Not-in-force
- 2006-07-18 WO PCT/FR2006/001750 patent/WO2007010129A1/fr not_active Ceased
- 2006-07-18 DE DE602006006453T patent/DE602006006453D1/de active Active
- 2006-07-18 JP JP2008522013A patent/JP4971320B2/ja not_active Expired - Fee Related
- 2006-07-18 US US11/996,250 patent/US7783412B2/en active Active
- 2006-07-18 AT AT06778875T patent/ATE429575T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007010129A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE429575T1 (de) | 2009-05-15 |
| JP2009503315A (ja) | 2009-01-29 |
| FR2888885A1 (fr) | 2007-01-26 |
| JP4971320B2 (ja) | 2012-07-11 |
| EP1907681B1 (fr) | 2009-04-22 |
| US20080295802A1 (en) | 2008-12-04 |
| DE602006006453D1 (de) | 2009-06-04 |
| WO2007010129A1 (fr) | 2007-01-25 |
| US7783412B2 (en) | 2010-08-24 |
| FR2888885B1 (fr) | 2007-09-28 |
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