EP0837986B1 - Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression - Google Patents

Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression Download PDF

Info

Publication number
EP0837986B1
EP0837986B1 EP97924873A EP97924873A EP0837986B1 EP 0837986 B1 EP0837986 B1 EP 0837986B1 EP 97924873 A EP97924873 A EP 97924873A EP 97924873 A EP97924873 A EP 97924873A EP 0837986 B1 EP0837986 B1 EP 0837986B1
Authority
EP
European Patent Office
Prior art keywords
pressure
controller
accumulator
fuel
pressure accumulator
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
Application number
EP97924873A
Other languages
German (de)
English (en)
Other versions
EP0837986A1 (fr
Inventor
Christian Hoffmann
Wendelin KLÜGL
Andreas Hartke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0837986A1 publication Critical patent/EP0837986A1/fr
Application granted granted Critical
Publication of EP0837986B1 publication Critical patent/EP0837986B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F02D41/38—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
    • F02D41/38—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
    • 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
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure

Definitions

  • the invention relates to a device for controlling the Fuel pressure in a high pressure accumulator according to the Preamble of claim 1 and a method for regulation the fuel pressure in a high pressure accumulator according to the Preamble of claim 5.
  • High-pressure accumulators for fuel are used in common rail injection systems used. This is done by a high pressure pump Pumped fuel into a high pressure accumulator and starting from the high-pressure accumulator, the fuel is the fed to individual injectors. This way, a high injection pressure allows, especially in the Injection of diesel lowers particle emissions.
  • a control device is already known from EP 0 299 337 A2 the fuel pressure in a high pressure accumulator and a method to regulate the fuel pressure in a high pressure accumulator known.
  • This is fuel from a pre-feed pump via an adjustable throttle of a high pressure pump supplied with the fuel in the high pressure accumulator high pressure pumps, the high pressure accumulator fueling to the injectors and via a safety pressure valve has that when a maximum pressure the high pressure accumulator with the fuel tank connects.
  • the adjustable throttle is made by one Control unit depending on the operating parameters of the Internal combustion engine controlled, so that a volume flow control is carried out on the low pressure side.
  • the described device and the described method have the disadvantage that a pressure decrease in the high pressure accumulator can only be done relatively slowly because the adjustable Throttle is not usable for a pressure reduction.
  • the object of the invention is to provide a device for Regulation of the fuel pressure in a high pressure accumulator and a method for controlling the fuel pressure in one To provide high-pressure accumulators that reduce pressure quickly enable and also a good efficiency exhibit.
  • the object of the invention is achieved by the device of Claim 1 and the method of claim 5 solved.
  • the device of claim 1 and the method of claim 5 offer the advantage that quasi-stationary changes in fuel pressure through a low pressure volume flow control be carried out and dynamic changes of the Fuel pressure via a high-pressure pressure control be performed. In this way, the advantage of high efficiency of a low-pressure volume flow control with the advantage of the high dynamics of a high pressure side Pressure control connected and thereby an improved Dynamics compared to a pressure control on the high pressure side achieved increased efficiency.
  • FIG. 1 shows a tank 1, which has a fuel feed line 2 is connected to a feed pump 4.
  • the feed pump 4, which is not adjustable, is via a delivery line 5 and a control valve 3 connected to a high pressure pump 6.
  • the output of the high pressure pump 6 is with a High-pressure accumulator (common rail) connected.
  • the high pressure accumulator 7 has an injection line 8 which leads to a Injector 9 of an internal combustion engine 22 is guided.
  • the High-pressure accumulator 7 is via a pressure control valve 10 and a fuel return line 11 connected to the tank 1.
  • a pressure sensor 12 on the high-pressure accumulator 7 arranged, the via a first measuring line 13 with a is connected to the first controller 14 via a first control line 15 is connected to the control valve 3.
  • the Pressure sensor 12 is also connected via a second measuring line 16 a second controller 17 connected via a second Control line 18 with the pressure control valve 10 in connection stands.
  • the first controller 14 and the second controller 17 are via a first data line 24 or via a second data line 25 connected to a computing unit 23, which also via a third measuring line 26 to the internal combustion engine 22 connected is.
  • the computing unit 23 also has input lines 27 with which various input values such as for example, the accelerator pedal position of the motor vehicle become.
  • a second pressure sensor 21 for Supply of the first controller 14 can be used on the the low pressure side in front of the high pressure pump 6 in the delivery line 5 is arranged and connected to the first controller 14 is.
  • the control valve 3 can thus also after the pressure in the delivery line 5 are regulated.
  • Figure 2 shows an arrangement corresponding to Figure 1, wherein however, instead of the non-adjustable feed pump 4 adjustable feed pump 20 is arranged over the first Control line 15 is controlled by the first controller 14. On Another difference is that the control valve 3 omitted and instead of the control valve 3 a constant throttle 19 between the adjustable feed pump 20 and the high pressure pump 6 is switched. Corresponds in the other details the arrangement of Figure 2 the arrangement of Figure 1, wherein same parts are provided with the same reference numerals.
  • a second pressure sensor 21 for supplying the first controller 14 is used, the one on the low pressure side in front of the high pressure pump 6 in the delivery line 5 is arranged and is connected to the first controller 14.
  • the controllable feed pump 20 can thus also after the pressure be regulated in the delivery line 5.
  • FIG. 3 shows a schematic representation of the control method according to the invention.
  • a target pressure P SOLL is predefined in accordance with the operating state of the internal combustion engine 22.
  • the computing unit 23 based on the operating state of the internal combustion engine 22, which includes, for example, the speed, the load and the exhaust gas values, and using the input data supplied by the input lines 27, such as the position of the accelerator pedal, the target pressure P SOLL determined for the high-pressure accumulator 7, and this dictates a first comparator 31 and a second comparator 32nd
  • the pressure sensor 12 also outputs the current actual pressure of the high-pressure accumulator 7 to the first comparator 31 and to the second comparator 32 as the actual pressure P IST .
  • the gain factor K 0.2% / M pascal, the sampling time T 0 20 msec, the differentiation time T D 10 msec and the integration time T I are preferably 70 msec.
  • the two-point controller 17 switches from its zero value to the current controller intervention u2 (k) when P DIF is above a predetermined value, which is preferably 100 bar.
  • the current regulator engagement of the first and second regulators 14, 17 of the controlled system are fed to 30, wherein the pressure sensor 12 and / or the second pressure sensor 21 detects the pressure in the high-pressure accumulator or before the high-pressure accumulator and when the actual pressure P is connected to the first and to the second Comparators 31, 32 passes on.
  • the first controller 14 forwards the current first control intervention to the control valve 3 and the second controller 17 the current second controller intervention to the pressure valve 10.
  • the first controller 14 controls the controllable feed pump 20 with the current first control intervention, as shown in FIG. 2.
  • the first and second controllers 14, 17 are optionally available as Analog or digital controller implemented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Safety Valves (AREA)

Claims (6)

  1. Dispositif de régulation de la pression de carburant dans un accumulateur haute pression (7)
    comportant un premier régulateur (14) pour le débit volumique entrant dans une pompe haute pression (6) reliée à l'accumulateur haute pression (7),
    comportant un premier détecteur de pression (12), associé à l'accumulateur haute pression (7) et transmettant au premier régulateur (14) la valeur de la pression de carburant dans l'accumulateur haute pression (7),
    un deuxième régulateur (17) étant prévu pour la pression de carburant dans l'accumulateur haute pression (7), le premier détecteur de pression (12) transmettant au deuxième régulateur (17) la valeur de la pression de carburant dans l'accumulateur haute pression (7),
    le premier régulateur (14) présentant un comportement de régulation continu, et
    le deuxième régulateur (17) présentant un comportement de régulation pas-à-pas,
       caractérisé en ce que
       une sortie du deuxième régulateur (17) est envoyée à une entrée du premier régulateur (14).
  2. Dispositif suivant la revendication 1, caractérisé en ce que, pour la régulation du débit volumique, il est prévu une pompe d'alimentation réglable (20).
  3. Dispositif suivant la revendication 2, caractérisé en ce qu'en aval de la pompe d'alimentation réglable (20), est installé un étranglement constant (19) .
  4. Dispositif suivant la revendication 1, caractérisé en ce qu'en amont de la pompe haute pression (6), est installé un deuxième détecteur de pression (21), relié au premier régulateur (14) par un conducteur de mesure, de préférence à la place du premier détecteur de pression (12) .
  5. Procédé pour réguler la pression dans un accumulateur haute pression (7) pour carburant, en envoyant du carburant à l'accumulateur haute pression (7) au moyen d'une pompe haute pression (6) et en prélevant du carburant au moyen d'un dispositif d'injection (9), le débit volumique du carburant étant régulé dans la zone basse pression avant la pompe haute pression (6) en fonction de la pression dans l'accumulateur haute pression (9),
    dans la zone haute pression, la pression dans l'accumulateur haute pression (9) étant régulée en fonction de la pression dans l'accumulateur haute pression (9),
    dans la zone basse pression, le débit volumique du carburant étant régulé quand la pression dans l'accumulateur haute pression (7) est inférieure à une pression de déclenchement, la pression dans l'accumulateur haute pression (7) étant régulée quand la pression dans l'accumulateur haute pression (7) est supérieure à la pression de déclenchement, et le débit volumique étant régulé quand la pression dans l'accumulateur haute pression (7) dépasse la pression de déclenchement,
       caractérisé en ce que
       la régulation du débit volumique est effectuée en fonction de la régulation de pression.
  6. Procédé suivant la revendication 5, caractérisé en ce que la pression de déclenchement est déterminée à partir de la somme d'une valeur de consigne et d'une valeur de seuil.
EP97924873A 1996-05-10 1997-05-02 Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression Expired - Lifetime EP0837986B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19618932 1996-05-10
DE19618932A DE19618932C2 (de) 1996-05-10 1996-05-10 Vorrichtung und Verfahren zur Regelung des Kraftstoffdruckes in einem Hochdruckspeicher
PCT/DE1997/000902 WO1997043543A1 (fr) 1996-05-10 1997-05-02 Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression

Publications (2)

Publication Number Publication Date
EP0837986A1 EP0837986A1 (fr) 1998-04-29
EP0837986B1 true EP0837986B1 (fr) 2001-08-16

Family

ID=7793989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97924873A Expired - Lifetime EP0837986B1 (fr) 1996-05-10 1997-05-02 Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression

Country Status (6)

Country Link
US (1) US5941214A (fr)
EP (1) EP0837986B1 (fr)
JP (1) JP3731900B2 (fr)
DE (2) DE19618932C2 (fr)
ES (1) ES2162297T3 (fr)
WO (1) WO1997043543A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043217A1 (de) 2008-10-28 2010-04-29 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
DE102008043237A1 (de) 2008-10-28 2010-04-29 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
DE102010027858A1 (de) 2010-04-16 2011-11-24 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19708308C2 (de) * 1997-02-28 2001-07-12 Siemens Ag Verfahren zur Regelung einer Regelgröße mit einem begrenzten Reglereingriff
DE19731994B4 (de) * 1997-07-25 2007-11-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE59810332D1 (de) * 1998-01-13 2004-01-15 Siemens Ag Verfahren zur Vorgabe des Einspritzdruck-Sollwertes bei Speichereinspritzsystemen
DE19818421B4 (de) 1998-04-24 2017-04-06 Robert Bosch Gmbh Kraftstoffversorgungsanlage einer Brennkraftmaschine
EP1000245B1 (fr) * 1998-05-26 2004-08-25 Caterpillar Inc. Systeme hydraulique avec pompe a debit variable
DE19838812C1 (de) * 1998-08-26 2000-04-20 Siemens Ag Verfahren und Vorrichtung zum Einstellen eines Druckes zwischen einer Vorförderpumpe und einer Hochdruckpumpe eines Einspritzsystems
US6113361A (en) * 1999-02-02 2000-09-05 Stanadyne Automotive Corp. Intensified high-pressure common-rail supply pump
US6694950B2 (en) * 1999-02-17 2004-02-24 Stanadyne Corporation Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds
DE19933253B4 (de) * 1999-07-15 2006-01-19 Robert Bosch Gmbh Verfahren zur Diagnose eines Kraftstoffversorgungssystems einer Brennkraftmaschine insbesondere für ein Kraftfahrzeug
DE19946910A1 (de) * 1999-09-30 2001-04-05 Bosch Gmbh Robert Verfahren und Einrichtung zur Ermittlung der Kraftstofftemperatur in einem Common-Rail-System
DE19948170B4 (de) * 1999-10-07 2005-05-04 Kautex Textron Gmbh & Co. Kg Kraftstoffversorgungseinrichtung sowie Kraftstoffpumpe
IT1320684B1 (it) 2000-10-03 2003-12-10 Fiat Ricerche Dispositivo di controllo della portata di una pompa ad alta pressionein un impianto di iniezione a collettore comune del combustibile di un
DE10112163A1 (de) * 2001-03-14 2002-09-19 Bosch Gmbh Robert Speichereinspritzsystem (Common Rail) für Brennkraftmaschinen
DE10131783B4 (de) * 2001-07-03 2006-03-16 Robert Bosch Gmbh Verfahren zum Betrieb einer Brennkraftmaschine
DE10147189A1 (de) 2001-09-25 2003-04-24 Bosch Gmbh Robert Verfahren zum Betreiben eines Kraftstoffversorgungssystems für einen Verbrennungsmotor eines Kraftfahrzeugs
DE10242591A1 (de) * 2002-09-13 2004-03-25 Robert Bosch Gmbh Kraftstoffeinspritzanlage für Brennkraftmaschinen
DE10247564A1 (de) 2002-10-11 2004-04-22 Robert Bosch Gmbh Verfahren zum Betreiben eines Common-Rail-Kraftstoffeinspritzsystems für Brennkraftmaschinen
DE10248625A1 (de) * 2002-10-18 2004-04-29 Robert Bosch Gmbh Vorrichtung zur Drosselung der Flüssigkeitsmenge, die von einer Förderpumpe angesaugt wird
US20050144801A1 (en) * 2003-12-26 2005-07-07 Wilson Thomas H. Portable battery operated floor drying apparatus
US7207319B2 (en) * 2004-03-11 2007-04-24 Denso Corporation Fuel injection system having electric low-pressure pump
DE102004022115A1 (de) 2004-05-05 2005-11-24 Robert Bosch Gmbh Verfahren zum Einbringen eines Reagenzmittels in einen Abgaskanal einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
JP2005337182A (ja) * 2004-05-28 2005-12-08 Mitsubishi Electric Corp 内燃機関の燃圧制御装置
DE102005033384B4 (de) * 2005-07-16 2015-02-12 Bayerische Motoren Werke Aktiengesellschaft Kraftstoff-Fördereinrichtung für eine direkteinspritzende Kraftfahrzeug-Brennkraftmaschine
WO2007083404A1 (fr) * 2006-01-20 2007-07-26 Bosch Corporation Système d'injection de carburant pour moteur à combustion interne
JP4605182B2 (ja) * 2007-04-27 2011-01-05 株式会社デンソー ポンプ制御装置およびそれを用いた燃料噴射システム
JP4571962B2 (ja) 2007-08-03 2010-10-27 本田技研工業株式会社 プラントの制御装置
US20090090331A1 (en) * 2007-10-04 2009-04-09 Ford Global Technologies, Llc Volumetric Efficiency Based Lift Pump Control
US8061329B2 (en) * 2007-11-02 2011-11-22 Ford Global Technologies, Llc Lift pump control for a two pump direct injection fuel system
US7640916B2 (en) * 2008-01-29 2010-01-05 Ford Global Technologies, Llc Lift pump system for a direct injection fuel system
DE102008021384B3 (de) * 2008-04-29 2009-11-26 Continental Aktiengesellschaft Überlagerte Druckregelung des Common-Rail-Systems
DE102009031527B3 (de) * 2009-07-02 2010-11-18 Mtu Friedrichshafen Gmbh Verfahren zur Steuerung und Regelung einer Brennkraftmaschine
DE102009050467B4 (de) 2009-10-23 2017-04-06 Mtu Friedrichshafen Gmbh Verfahren zur Steuerung und Regelung einer Brennkraftmaschine
DE102010031002B4 (de) * 2010-07-06 2023-05-11 Robert Bosch Gmbh Verfahren zum Regeln des Drucks in einem Kraftstoff-Hochdruckspeicher einer Brennkraftmaschine
DE102010031622A1 (de) * 2010-07-21 2012-01-26 Robert Bosch Gmbh Kraftstofffördereinrichung
KR101241594B1 (ko) 2010-12-01 2013-03-11 기아자동차주식회사 Ｇｄｉ엔진의 연료공급시스템 및 그 제어방법
DE102010062668A1 (de) * 2010-12-08 2012-06-14 Robert Bosch Gmbh Kraftstofffördersystem einer Brennkraftmaschine, mit einer Rotationspumpe
DE102011004649A1 (de) * 2011-02-24 2012-08-30 Robert Bosch Gmbh Kraftstofffördereinrichtung und Verfahren zum Betätigen einer Kraftstofffördereinrichtung
SE537251C2 (sv) * 2013-05-23 2015-03-17 Scania Cv Ab Förfarande samt anordning för funktionskontroll av en högtrycksbränslepump
US9587578B2 (en) 2013-12-06 2017-03-07 Ford Global Technologies, Llc Adaptive learning of duty cycle for a high pressure fuel pump
US9243598B2 (en) 2014-02-25 2016-01-26 Ford Global Technologies, Llc Methods for determining fuel bulk modulus in a high-pressure pump
US9458806B2 (en) 2014-02-25 2016-10-04 Ford Global Technologies, Llc Methods for correcting spill valve timing error of a high pressure pump
US9874185B2 (en) 2014-05-21 2018-01-23 Ford Global Technologies, Llc Direct injection pump control for low fuel pumping volumes
US10563611B2 (en) * 2014-12-19 2020-02-18 Ford Global Technologies, Llc Fuel delivery system and method for operation of a fuel delivery system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587547A (en) * 1969-07-09 1971-06-28 Ambac Ind Fuel injection system and apparatus for use therein
DE3001155A1 (de) * 1980-01-15 1981-07-16 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage fuer selbstzuendende brennkraftmaschine
CH674243A5 (fr) * 1987-07-08 1990-05-15 Dereco Dieselmotoren Forschung
JPH0343643A (ja) * 1989-07-11 1991-02-25 Toyota Autom Loom Works Ltd 燃料噴射式エンジンの燃料供給装置
JP3115099B2 (ja) * 1992-04-13 2000-12-04 株式会社小野測器 燃費計測装置
JP2848206B2 (ja) * 1993-09-10 1999-01-20 三菱自動車工業株式会社 内燃機関用燃料供給装置
DE4401083A1 (de) * 1994-01-15 1995-07-20 Daimler Benz Ag Für eine Brennkraftmaschine vorgesehene Kraftstoffeinspritzanlage
DE4414242A1 (de) * 1994-04-23 1995-10-26 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
DE4445586A1 (de) * 1994-12-20 1996-06-27 Bosch Gmbh Robert Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung
IT1281303B1 (it) * 1995-03-28 1998-02-17 Elasis Sistema Ricerca Fiat Dispositivo di regolazione della pressione di alimentazione di un fluido in un accumulatore di fluido in pressione, ad esempio per
EP0741244B1 (fr) * 1995-05-03 1999-07-07 DaimlerChrysler AG Injecteur
DE19548278B4 (de) * 1995-12-22 2007-09-13 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE19607070B4 (de) * 1996-02-24 2013-04-25 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043217A1 (de) 2008-10-28 2010-04-29 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
DE102008043237A1 (de) 2008-10-28 2010-04-29 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine
WO2010049207A1 (fr) 2008-10-28 2010-05-06 Robert Bosch Gmbh Pompe haute pression à carburant pour un moteur à combustion interne
DE102010027858A1 (de) 2010-04-16 2011-11-24 Robert Bosch Gmbh Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine

Also Published As

Publication number Publication date
DE19618932C2 (de) 2001-02-01
DE59704282D1 (de) 2001-09-20
ES2162297T3 (es) 2001-12-16
JP3731900B2 (ja) 2006-01-05
JPH11509605A (ja) 1999-08-24
DE19618932A1 (de) 1997-11-20
US5941214A (en) 1999-08-24
WO1997043543A1 (fr) 1997-11-20
EP0837986A1 (fr) 1998-04-29

Similar Documents

Publication Publication Date Title
EP0837986B1 (fr) Dispositif et procede pour la regulation de la pression de carburant dans un accumulateur haute pression
DE19548278B4 (de) Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE10162989C1 (de) Schaltungsanordnung zum Regeln einer regelbaren Kraftstoffpumpe, Verfahren zum Regeln einer Förderleistung und Verfahren zum Überprüfen der Funktionsfähigkeit einer regelbaren Kraftstoffpumpe
EP1303693B1 (fr) Procede et dispositif pour commander un moteur a combustion interne
DE102008021384B3 (de) Überlagerte Druckregelung des Common-Rail-Systems
DE19731994B4 (de) Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE102008055747B4 (de) Verfahren und Vorrichtung zum Betreiben einer Einspritzanlage für eine Brennkraftmaschine
DE19752025B4 (de) Verfahren und Vorrichtung zum Regeln des Kraftstoffdruckes in einem Kraftstoffspeicher
EP0930426B1 (fr) Méthode pour prédéterminer la référence de pression d'un système d'injection de carburant avec accumulateur
EP2006521A1 (fr) Procédé de réglage de la pression du rail lors d'un processus de démarrage
EP1802859A1 (fr) Procede pour faire fonctionner un systeme d'injection de carburant en particulier d'un vehicule automobile
DE19731995A1 (de) Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE4443879B4 (de) Einrichtung und Verfahren zur Kraftstoffversorgung bei einer Brennkraftmaschine
DE102007015876A1 (de) Verfahren zur Erkennung einer Fehlfunktion eines Raildrucksensors
DE19731201C2 (de) Verfahren zum Regeln des Kraftstoffdruckes in einem Kraftstoffspeicher
DE19917711C2 (de) Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
EP0185183A2 (fr) Système d'injection de carburant à commande électronique pour un moteur à combustion
EP1403494B1 (fr) Procédé et dispositif pour la régulation d'une valeur de pression d'une moteur à combustion interne
EP1672206B1 (fr) Procédé et dispositif de commande d'un moteur à combustion interne dans un véhicule
DE19735938A1 (de) Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE19946908A1 (de) Verfahren zum Abbau des Rail-Drucks in einem Common-Rail-System für Brennkraftmaschinen
DE10112702A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine mit einem Kraftstoffzumesssystem
WO2020165333A1 (fr) Procédé servant à faire fonctionner un système d'injection d'un moteur à combustion interne, système d'injection pour un moteur à combustion interne et moteur à combustion interne comprenant un système d'injection de ce type
DE102013000060B3 (de) Verfahren und Regeleinrichtung zum Betreiben einer Brennkraftmaschine
DE102017211770B4 (de) Verfahren zur Druckregelung in einem Hochdruck-Einspritzsystem einer Brennkraftmaschine, und Brennkraftmaschine zur Durchführung eines solchen Verfahrens

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980107

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE ES FR GB IT

17Q First examination report despatched

Effective date: 19991123

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REF Corresponds to:

Ref document number: 59704282

Country of ref document: DE

Date of ref document: 20010920

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20011116

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2162297

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060531

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20060619

Year of fee payment: 10

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20070503

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070503

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090513

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070502

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090522

Year of fee payment: 13

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100502

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100502

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 59704282

Country of ref document: DE

Owner name: KLUEGL, WENDELIN, DE

Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20160725

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59704282

Country of ref document: DE