WO2001053686A2 - Procede pour faire fonctionner une pompe de pre-alimentation d'un systeme doseur de carburant, et systeme doseur de carburant d'un moteur a combustion interne a injection directe - Google Patents
Procede pour faire fonctionner une pompe de pre-alimentation d'un systeme doseur de carburant, et systeme doseur de carburant d'un moteur a combustion interne a injection directe Download PDFInfo
- Publication number
- WO2001053686A2 WO2001053686A2 PCT/DE2001/000059 DE0100059W WO0153686A2 WO 2001053686 A2 WO2001053686 A2 WO 2001053686A2 DE 0100059 W DE0100059 W DE 0100059W WO 0153686 A2 WO0153686 A2 WO 0153686A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- pressure
- metering system
- fuel
- fuel metering
- 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
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
- F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
-
- 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
- F02D41/3082—Control of electrical fuel pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
-
- 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
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
Definitions
- the present invention relates to a method for operating a pre-pump of a fuel metering system of a direct-injection internal combustion engine, the fuel metering system having a high-pressure pump in addition to the pre-pump and the pre-pump
- Fuel in a low pressure area of the fuel metering system and the high pressure pump delivers fuel from the low pressure area to a high pressure area of the fuel metering system.
- the invention also relates to a fuel metering system of a direct-injection internal combustion engine with a pre-pump and a high-pressure pump, the pre-pump pumping fuel into a low-pressure area of the fuel metering system and the high-pressure pump fuel from the low-pressure area into a high-pressure area of the
- Fuel metering system promotes.
- the fuel metering system is designed, for example, as a common rail direct fuel injection system.
- the feed pump is, for example, as one
- Electric fuel pump designed and delivers fuel from a fuel tank into the Low pressure range of the fuel metering system.
- a pre-pressure of, for example, 4 bar prevails in the low-pressure area.
- the high-pressure pump delivers fuel from the low-pressure area to a high-pressure accumulator, the so-called rail, in the high-pressure area of the
- the high-pressure pump is designed, for example, as a single-cylinder pump.
- the high-pressure accumulator has an injection pressure of, for example, 120 to 150 bar for gasoline fuel and an injection pressure of, for example, 1500 to 2000 bar for diesel fuel.
- a plurality of injectors which are controllable as a function of the operating parameters branch off from the high-pressure accumulator and, with appropriate activation, inject fuel from the high-pressure accumulator into the combustion chambers of the internal combustion engine with the injection pressure present there.
- a control valve is arranged between the preliminary pump and the high-pressure pump, which control valve determines the amount of fuel delivered to the high-pressure accumulator per stroke of the high-pressure pump. The control valve is controlled by a control unit of the internal combustion engine.
- a low-pressure line branches off from the low-pressure region and leads back into the fuel reservoir via a low-pressure regulator.
- the low pressure regulator ensures a constant pressure level in the low pressure range when the delivery rates of the high pressure pump fluctuate. This pressure level, which is mechanically permanently set to a low pressure value (the pre-pressure), proves itself to be high
- Heating of the high pressure pump as too low.
- the temperature of the fuel rises, and with it the vapor pressure of the fuel in the high pressure pump. If the vapor pressure exceeds the pressure level specified by the low pressure regulator, vapor bubbles form and thus cavitation occurs the high pressure pump. This can lead to a drop in the flow rate of the high-pressure pump, disruptive cavitation noises and ultimately even damage to components of the high-pressure pump. Cavitation means the formation and sudden disappearance of steam bubbles in
- the disadvantages of the prior art result in the object of the present invention to reduce cavitation in a high-pressure pump of a fuel metering system and, if possible, to avoid it altogether.
- the invention proposes, starting from the method of the type mentioned at the outset, that the pre-pump is controlled as required, so that the flow through the pre-pump roughly corresponds to the flow through the high-pressure pump and a predetermined pressure level prevails in the low-pressure region.
- the method according to the invention with the demand-controlled control of the pre-feed pump has the advantage that the noise development and the power consumption of the pre-feed pump are reduced.
- the pressure level in the low-pressure range of the fuel metering system can be set by suitable control of the pre-charge pump in such a way that the cavitation in the high-pressure pump is reduced without additional sensors, for example for the admission pressure or the temperature of the fuel in the high-pressure pump, ideally even completely avoided .
- the delivery flow through the preliminary pump can briefly deviate from the delivery flow through the high-pressure pump. To do that To keep the pressure level constant in the low pressure range, the flow through the preliminary pump is ideally identical to the flow through the high pressure pump. To compensate for low pressure losses due to leaks in the low pressure area, caused for example by
- the low pressure line with the one arranged therein can be used
- Low-pressure regulator which branches off from the low-pressure region of the fuel supply system and leads into the fuel storage container.
- the admission pressure in the low-pressure area of the fuel metering system is set by activating the pre-pump.
- the preliminary pump is designed as an electric fuel pump and that the electric fuel pump is controlled by varying the armature voltage of the drive motor of the electric fuel pump.
- the electric fuel pump is controlled, for example, by a control unit of the internal combustion engine via an output stage, by means of which the digital control pulse of the control unit is amplified into an analog voltage signal for the armature voltage of the drive motor.
- the armature voltage of the drive motor be varied by pulse width modulation.
- Control unit of the internal combustion engine is controlled.
- cycle ratios of the pulse width modulation are preferably stored in a map, which are used to control the pre-pump.
- the cycle ratios are stored, for example, above the pressure level and the delivery flow through the high-pressure pump in the characteristic diagram.
- the cycle ratios are preferably stored in the characteristic diagram over the speed of the internal combustion engine and the activation duration of a control valve arranged between the preliminary pump and the high-pressure pump.
- clock ratios of the pulse width modulation are stored in the control unit of the internal combustion engine in a characteristic curve, which are used to control the
- Preliminary pump can be used.
- the characteristic of the cycle ratios is preferably stored over the product of the speed of the internal combustion engine and the control duration of a control valve arranged between the pre-feed pump and the high-pressure pump.
- the fuel metering system have means for reducing the need
- the pre-pump is designed as an electric fuel pump and the means for controlling the pre-pump vary the armature voltage of the drive motor of the electric fuel pump.
- the means for controlling the pre-pump vary the armature voltage of the drive motor by pulse width modulation.
- FIG. 1 shows an inventive fuel metering system according to a preferred embodiment
- Figure 2 is a known from the prior art
- FIG. 2 shows a fuel metering system known from the prior art.
- the fuel metering system is designed as a common rail gasoline direct injection system. It has a prefeed pump 1 and a high pressure pump 2.
- the feed pump 1 is designed as an electric fuel pump and delivers fuel from a fuel reservoir 3 into a low-pressure region ND of the fuel metering system. A pre-pressure of about 4 bar prevails in the low pressure range ND.
- the high-pressure pump is designed as a 1-cylinder high-pressure pump conveys fuel from the low pressure range ND into a high pressure accumulator 4, the so-called rail, into a high pressure range HD of the fuel metering system.
- a pressure sensor 7 is also arranged in the high-pressure accumulator 4, by means of which the injection pressure prevailing in the high-pressure accumulator 4 is determined and a corresponding electrical signal to a control device d ⁇ r
- a high-pressure line 8 branches off from the high-pressure area HD of the fuel metering system, which leads via a pressure-relief valve 9 into the low-pressure area ND in the inlet of the high-pressure pump 2.
- the high-pressure pump 2 is arranged upstream of the preliminary pump 1 and the high-pressure pump 2 in the control valve 10.
- the control valve 10 associated with the high-pressure pump 2 determines, by closing time variation, the fuel quantity conveyed to the high-pressure accumulator 4 per stroke of the high-pressure pump 2.
- a fuel filter 11 is arranged between the pre-feed pump 1 and the control valve 10.
- a low-pressure line 12 branches off from the low-pressure area ND of the fuel metering system and leads back into the fuel reservoir 3 via a low-pressure regulator 13.
- the low-pressure regulator 13 ensures a constant pressure level in the low-pressure region ND of the fuel metering system when the delivery rates of the high-pressure pump 2 fluctuate.
- the pressure level that is permanently set mechanically in the low-pressure region ND proves to be inadequate when the high-pressure pump 2 heats up strongly.
- the heating of the high-pressure pump 2 and the Temp ⁇ ratur ⁇ 5 of the fuel and the vapor pressure of Fuel rises s in the high-pressure pump 2.
- Matterst ⁇ igt the vapor pressure of the vorg ⁇ g ⁇ bene by the Nied ⁇ rdruckregler 13 pressure level the result is vapor lock and thus a cavitation in the high-pressure pump 2 This can lead to a drop in the flow rate of the high pressure pump 2, to cavitation noises and finally even to damage to components of the high pressure pump 2.
- the fuel metering system according to the invention shown in FIG. 1 is proposed.
- the fuel metering system according to the invention has no low pressure regulator 13.
- the upstream pressure prevailing in the low-pressure range ND is set by means of a demand-controlled control of the preliminary pump 1.
- the feed pump 1 is controlled in such a way that the flow through the feed pump 1 corresponds approximately to the flow through the high-pressure pump 2 and
- Form lies in the low pressure range ND at a predetermined pressure level.
- the flow rate can be reduced by di ⁇
- Preliminary pump 1 briefly deviate from the flow through high pressure pump 2.
- the flow rate through the preliminary pump 1 is ideally 5 identical to the flow rate through the high pressure pump 2.
- the feed pump 1 is controlled by a control unit 14 of the internal combustion engine by varying the armature voltage U_Ank of the drive motor of the feed pump 1.
- the armature voltage U_Ank of the drive motor is varied by pulse width modulation.
- a control signal of the control device 14 is routed via means 15 for pulse width modulation.
- the pulse-width-modulated armature voltage U_Ank is then guided by the means 15 to the drive motor of the preliminary pump 1.
- 16 clock ratios of the pulse width modulation are stored in a characteristic field over the rotational speed n_mot of the internal combustion engine and the activation period T_M of the control valve 10.
- the clock ratios of the pulse width modulation are used to vary the armature voltage U_Ank.
- the activation period T_M of the control valve 10 is determined from various operating parameters x_i which are applied to the control unit 14. Alternatively, the clock ratios of the pulse width modulation in the
- Control unit 14 can also be stored in a characteristic curve over the product of the rotational speed n_mot of the internal combustion engine and the activation period T_M of the control valve 10.
- Low pressure regulator 13 results in the invention Fuel metering system an increase in reliability and a cost reduction. Due to the demand-controlled activation of the pre-pump 1, the operating noise and the power consumption of the pre-pump 1 are reduced. Finally, in the fuel metering system according to the invention, the cavitation in the high-pressure pump 2 is decisively reduced, ideally even eliminated, without additional sensors, for example for the admission pressure prevailing in the low-pressure region ND or the temperature of the fuel in the high-pressure pump 2.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE50100679T DE50100679D1 (de) | 2000-01-19 | 2001-01-10 | Verfahren zum betrieb einer vorförderpumpe eines kraftstoffzumesssystems und kraftstoffzumesssystem einer direkteinspritzenden brennkraftmaschine |
| EP01909439A EP1252431B1 (fr) | 2000-01-19 | 2001-01-10 | Procede pour faire fonctionner une pompe de pre-alimentation d'un systeme doseur de carburant, et systeme doseur de carburant d'un moteur a combustion interne a injection directe |
| AU2001237212A AU2001237212A1 (en) | 2000-01-19 | 2001-01-10 | Method for operating a presupply pump of a fuel metering system and fuel metering system of a direct injection internal combustion engine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10001882.3 | 2000-01-19 | ||
| DE10001882A DE10001882A1 (de) | 2000-01-19 | 2000-01-19 | Verfahren zum Betrieb einer Vorförderpumpe eines Kraftstoffzumesssystems und Kraftstoffzumesssystem einer direkteinspritzenden Brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2001053686A2 true WO2001053686A2 (fr) | 2001-07-26 |
| WO2001053686A3 WO2001053686A3 (fr) | 2002-02-07 |
Family
ID=7627858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2001/000059 Ceased WO2001053686A2 (fr) | 2000-01-19 | 2001-01-10 | Procede pour faire fonctionner une pompe de pre-alimentation d'un systeme doseur de carburant, et systeme doseur de carburant d'un moteur a combustion interne a injection directe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1252431B1 (fr) |
| AU (1) | AU2001237212A1 (fr) |
| DE (2) | DE10001882A1 (fr) |
| WO (1) | WO2001053686A2 (fr) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1298306A3 (fr) * | 2001-09-28 | 2004-11-10 | Robert Bosch Gmbh | Procédé pour faire fonctionner un moteur à combustion |
| WO2006032577A1 (fr) * | 2004-09-21 | 2006-03-30 | Siemens Aktiengesellschaft | Procede et dispositif pour commander un moteur a combustion interne |
| EP1574704A3 (fr) * | 2004-03-11 | 2010-04-21 | Denso Corporation | Système d'injection de carburant avec une pompe basse-pression électrique |
| WO2011032773A1 (fr) | 2009-09-18 | 2011-03-24 | Robert Bosch Gmbh | Système d'injection de carburant |
| DE102009054554A1 (de) | 2009-12-11 | 2011-06-16 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem |
| WO2011082938A1 (fr) * | 2010-01-08 | 2011-07-14 | Continental Automotive Gmbh | Dispositif destiné à empêcher le moteur de caler dans un véhicule équipé d'un système d'injection diesel |
| DE102010031611A1 (de) | 2010-07-21 | 2012-01-26 | Robert Bosch Gmbh | Pumpenanordnung |
| EP2728159A4 (fr) * | 2011-07-01 | 2016-06-15 | Toyota Motor Co Ltd | Système de commande de l'injection de carburant pour moteur à combustion interne |
| EP2634411A4 (fr) * | 2010-10-27 | 2016-08-10 | Toyota Motor Co Ltd | Système de commande d'injection de carburant de moteur à combustion interne |
| CN109838317A (zh) * | 2017-11-28 | 2019-06-04 | 罗伯特·博世有限公司 | 用于运行燃料配量系统的方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10153037A1 (de) * | 2001-10-26 | 2003-05-08 | Bayerische Motoren Werke Ag | Anordnung zur Versorgung von Einspritzventilen einer Brennkraftmaschine mit Kraftstoff |
| DE10158950C2 (de) * | 2001-12-03 | 2003-10-02 | Bosch Gmbh Robert | Verfahren, Computerprogramm, Steuer- und Regelgerät zum Betreiben einer Brennkraftmaschine, sowie Brennkraftmaschine |
| DE10162989C1 (de) * | 2001-12-20 | 2003-10-09 | Siemens Ag | Schaltungsanordnung zum Regeln einer regelbaren Kraftstoffpumpe, Verfahren zum Regeln einer Förderleistung und Verfahren zum Überprüfen der Funktionsfähigkeit einer regelbaren Kraftstoffpumpe |
| DE10224094B4 (de) * | 2002-05-31 | 2010-06-02 | Bayerische Motoren Werke Aktiengesellschaft | Kraftstoffanlage für Fahrzeuge, insbesondere für Motorräder |
| DE102004062613B4 (de) * | 2004-12-24 | 2014-02-20 | Volkswagen Ag | Verfahren und Vorrichtung zur Kraftstoffversorgung von Verbrennungsmotoren |
| DE102005033384B4 (de) * | 2005-07-16 | 2015-02-12 | Bayerische Motoren Werke Aktiengesellschaft | Kraftstoff-Fördereinrichtung für eine direkteinspritzende Kraftfahrzeug-Brennkraftmaschine |
| DE102007018310B3 (de) * | 2007-04-18 | 2008-11-13 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur Regelung eines Hochdruckspeicherdrucks eines Einspritzsystems einer Brennkraftmaschine |
| DE102007050297A1 (de) | 2007-10-22 | 2009-04-23 | Robert Bosch Gmbh | Verfahren zur Steuerung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine |
| DE102008055747B4 (de) * | 2008-11-04 | 2012-03-15 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben einer Einspritzanlage für eine Brennkraftmaschine |
| DE102013210816A1 (de) | 2013-06-10 | 2014-12-11 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
| DE102013210811A1 (de) | 2013-06-10 | 2014-12-11 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
| DE102015207682B4 (de) * | 2015-04-27 | 2018-10-11 | Continental Automotive Gmbh | Verfahren zur Regelung einer Kraftstoffförderpumpe |
| DE102018201184A1 (de) | 2017-04-04 | 2018-10-04 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Ansteuerung einer elektromotorisch angetriebenen Niederdruck-Kraftstoffpumpe in einem Kraftstoffversorgungssystem eines Kraftfahrzeugs |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4401083A1 (de) * | 1994-01-15 | 1995-07-20 | Daimler Benz Ag | Für eine Brennkraftmaschine vorgesehene Kraftstoffeinspritzanlage |
| DE4444417B4 (de) * | 1994-12-14 | 2005-01-05 | Robert Bosch Gmbh | Kraftstoffversorgungsanlage |
| JPH09170467A (ja) * | 1995-12-20 | 1997-06-30 | Denso Corp | 内燃機関の燃料供給装置 |
| DE19704153C2 (de) * | 1997-02-04 | 2000-10-19 | Isad Electronic Sys Gmbh & Co | Antriebssystem, insbesondere für ein Kraftfahrzeug und Verfahren zum Entgegenwirken einer Änderung der Leerlaufdrehzahl in einem Antriebssystem |
| DE19737988B4 (de) * | 1997-08-30 | 2006-05-24 | Robert Bosch Gmbh | Einrichtung zum Betreiben einer Elektrokraftstoffpumpe |
| DE19739653A1 (de) * | 1997-09-10 | 1999-03-11 | Bosch Gmbh Robert | Verfahren zum Erzeugen von unter Hochdruck stehendem Kraftstoff sowie System zur Kraftstoffhochdruckerzeugung |
| JPH11125161A (ja) * | 1997-10-23 | 1999-05-11 | Denso Corp | 内燃機関の燃料供給装置 |
-
2000
- 2000-01-19 DE DE10001882A patent/DE10001882A1/de not_active Ceased
-
2001
- 2001-01-10 DE DE50100679T patent/DE50100679D1/de not_active Expired - Lifetime
- 2001-01-10 AU AU2001237212A patent/AU2001237212A1/en not_active Abandoned
- 2001-01-10 EP EP01909439A patent/EP1252431B1/fr not_active Expired - Lifetime
- 2001-01-10 WO PCT/DE2001/000059 patent/WO2001053686A2/fr not_active Ceased
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1298306A3 (fr) * | 2001-09-28 | 2004-11-10 | Robert Bosch Gmbh | Procédé pour faire fonctionner un moteur à combustion |
| EP1574704A3 (fr) * | 2004-03-11 | 2010-04-21 | Denso Corporation | Système d'injection de carburant avec une pompe basse-pression électrique |
| WO2006032577A1 (fr) * | 2004-09-21 | 2006-03-30 | Siemens Aktiengesellschaft | Procede et dispositif pour commander un moteur a combustion interne |
| US7503313B2 (en) | 2004-09-21 | 2009-03-17 | Siemens Aktiengesellschaft | Method and device for controlling an internal combustion engine |
| WO2011032773A1 (fr) | 2009-09-18 | 2011-03-24 | Robert Bosch Gmbh | Système d'injection de carburant |
| DE102009029573A1 (de) | 2009-09-18 | 2011-03-24 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem |
| DE102009054554A1 (de) | 2009-12-11 | 2011-06-16 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem |
| WO2011069714A1 (fr) | 2009-12-11 | 2011-06-16 | Robert Bosch Gmbh | Système d'injection de carburant |
| WO2011082938A1 (fr) * | 2010-01-08 | 2011-07-14 | Continental Automotive Gmbh | Dispositif destiné à empêcher le moteur de caler dans un véhicule équipé d'un système d'injection diesel |
| DE102010031611A1 (de) | 2010-07-21 | 2012-01-26 | Robert Bosch Gmbh | Pumpenanordnung |
| EP2634411A4 (fr) * | 2010-10-27 | 2016-08-10 | Toyota Motor Co Ltd | Système de commande d'injection de carburant de moteur à combustion interne |
| EP2728159A4 (fr) * | 2011-07-01 | 2016-06-15 | Toyota Motor Co Ltd | Système de commande de l'injection de carburant pour moteur à combustion interne |
| CN109838317A (zh) * | 2017-11-28 | 2019-06-04 | 罗伯特·博世有限公司 | 用于运行燃料配量系统的方法 |
| CN109838317B (zh) * | 2017-11-28 | 2023-06-23 | 罗伯特·博世有限公司 | 用于运行燃料配量系统的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10001882A1 (de) | 2001-08-02 |
| EP1252431B1 (fr) | 2003-09-24 |
| AU2001237212A1 (en) | 2001-07-31 |
| WO2001053686A3 (fr) | 2002-02-07 |
| DE50100679D1 (de) | 2003-10-30 |
| EP1252431A2 (fr) | 2002-10-30 |
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