EP0937204B1 - Procede et systeme de production de carburant sous haute pression - Google Patents

Procede et systeme de production de carburant sous haute pression Download PDF

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Publication number
EP0937204B1
EP0937204B1 EP98951269A EP98951269A EP0937204B1 EP 0937204 B1 EP0937204 B1 EP 0937204B1 EP 98951269 A EP98951269 A EP 98951269A EP 98951269 A EP98951269 A EP 98951269A EP 0937204 B1 EP0937204 B1 EP 0937204B1
Authority
EP
European Patent Office
Prior art keywords
pressure pump
pressure
low
fuel
pump
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
EP98951269A
Other languages
German (de)
English (en)
Other versions
EP0937204A1 (fr
Inventor
Erhard Faix
Marc Westphal
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0937204A1 publication Critical patent/EP0937204A1/fr
Application granted granted Critical
Publication of EP0937204B1 publication Critical patent/EP0937204B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • 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
    • 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
    • F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/06—Motor parameters of internal combustion engines
    • F04B2203/0605—Rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/15—By-passing over the pump

Definitions

  • the invention relates to a method for generating and Feeding high pressure fuel to one High-pressure storage space of a fuel injection system, in particular a common rail injection system, one Internal combustion engine, using a low pressure pump pumped fuel from a tank as a backing pump and the Intake side of a high pressure pump is supplied and where part of the pumped by the low pressure pump Fuel used to lubricate the high pressure pump becomes.
  • the invention further relates to a system for high-pressure fuel generation according to the preamble of claim 2 and claim 5.
  • the funding volume or funding capacity of Low pressure pump and high pressure pump must be designed that there is always a sufficient high pressure Amount of fuel is available. Because the high pressure pump usually driven depending on the engine speed is the amount of fuel available compared to the requested or required amount of fuel usually too high, such as when the driver of one Motor vehicle at high speed "from the gas" and itself the vehicle is in overrun. The of the High pressure pump delivered fuel amount is still very high, but it is from the injection system of the Internal combustion engine not required. When you reach one In this case, the threshold pressure is usually one on the High pressure side provided pressure control valve opened, and a connection to the tank is established.
  • the Fuel is therefore pumped in a circle and heats up with this high-pressure side, so-called rail pressure control, very much strong, which entails dangers. Besides, that is Use of plastic return lines critical and the overall engine efficiency deteriorates with the high power consumption by the high pressure pump.
  • the object of the invention is the method of the type described at the beginning improve that the above disadvantages do not occur, that is in particular a lowering of the high Temperature levels in the return and tank as well as a Improvement in overall engine efficiency is achieved. Furthermore, in all operating states and Adequate and reliable lubrication the high pressure pump with fuel.
  • This task is carried out in a method of the type mentioned solved according to the invention in that the delivery rate of Low pressure pump or the delivery pressure on the delivery side the low pressure pump depending on the Determine sensor and a control device currently required amount of fuel is controlled and that of the flow of the low pressure pump one of the pressure on the Conveyor side essentially independent constant Lubricant flow amount is diverted, and a remaining one Residual flow is fed to the suction side of the high pressure pump becomes.
  • the delivery rate the low pressure pump controlled and in a preferred manner is regulated (volume flow control)
  • this can be done by the control or regulation of the speed of the Low pressure pump can be reached.
  • the speed of the low-pressure pump is advantageous by means of a speed sensor and the signal of the Speed sensor returned to the control device, so that the one to be set according to the volume requirement Speed is regulated.
  • Delivery pressure on the delivery ropes of the low pressure pump in Depends on the amount of fuel required or is regulated (discharge pressure control)
  • This can be done at Use of a pressure-controlled low pressure pump can be achieved directly from the Control device is controlled.
  • the discharge pressure on the The delivery side of the low pressure pump can also be Activate one at the output of the low pressure pump provided variable throttle device, such as by Moving a throttle valve. It could also be a clocked solenoid valve in one Pressure relief line, which is the delivery side of the Low pressure pump connects to the tank, controlled be to the pressure on the delivery side of the Low pressure pump on the desired one, from the Control device to hold certain value.
  • such Falls fuel would be delivered in a circular manner in the low pressure circuit be, but this is not a disadvantage Power consumption of the low pressure pump or heating of the Fuel leads.
  • the present invention also has the object based, a system for high-pressure fuel generation provide with which the inventive method is feasible.
  • Low pressure pump (claim 3) can be one of the moment required volume of fuel corresponding volume flow the low pressure pump can be set, and that on the Delivery side of the low pressure pump provided Flow control valve provides a constant Reliable supply of lubricant to the high pressure pump.
  • a pressure-controllable low-pressure pump can be used to specify the delivery pressure on the delivery side of the low-pressure pump (claim 6).
  • a gear pump with a downstream variable throttle device is provided, the latter of which can then be controlled by the control device (claim 7).
  • pressure sensors are advantageously provided which cooperate with the control device to form a pressure control circuit.
  • Throttle device or a returning branch line with a controllable valve can be a non-controllable one Low pressure feed pump are used, the Pressure control at the downstream point by the Throttle device or the control of the solenoid valve he follows.
  • FIG. 1 shows schematically the low pressure circuit High pressure fuel generation system with an Low pressure circuit realized demand regulation for the Fuel metering of the high pressure pump.
  • a Fuel tank 2 leads a line 4 to the intake side of a Low pressure pump 6.
  • the delivery side 8 of the low pressure pump 6 is with a flow control valve 10 and in parallel with it the suction side 12 one with the reference number 14 indicated high pressure pump connected, the high pressure side 16 to the high-pressure storage space (rail) one does not shown fuel injection system leads.
  • the Flow control valve leads to the lubrication circuit 17 of the High pressure pump 14.
  • Control device 20 interacting with measurement sensors 18 provided in which the current fuel consumption of the Internal combustion engine determined and accordingly Control signal is generated.
  • the control signal is called Control signal for the speed of the as Electric fuel pump trained low pressure pump 6 to this led.
  • a speed sensor 22 provides one Measured value to the control device 20, there for regulation the speed and thus the volume flow Low pressure pump 6 is processed.
  • the amount of fuel is a from the flow control valve 10 Inlet pressure and the speed of the high pressure pump in the branched substantially independent lubricant flow and via the lubrication circuit 17 in the pump inner housing 24 of the High pressure pump 14 passed.
  • the remaining amount is about Intake side 12 in the suction chamber 25 of the high pressure pump 14 and promoted from there to the rail.
  • the one through the Control device 20 according to the requested or required fuel flow volume Low pressure pump 6 is speed-controllable Electric fuel pump promoted.
  • a safety valve 26 which adds fuel to the high pressure pump 14 Falling below a predetermined pressure of about 1 bar interrupts so that in the event of a leak or the like, the engine is turned off.
  • FIG 4 shows a further embodiment of a Delivery pressure controlled low pressure circuit, in which the Low pressure pump 6 'from a gear pump with a downstream pressure control is formed.
  • the Low pressure pump 6 For regulation of the pressure on the delivery side of the gear pump is one Branch line 30 is provided, which leads back to tank 2, a clocked solenoid valve 32 in the branch line 30 is provided.
  • a pressure sensor 34 provided that cooperates with the control device 20.
  • the output signal of the control device 20 is in this Case a control signal for the solenoid valve 32, which in Dependence on the measured value of the pressure sensor 34 predetermined pressure on the delivery side of the Low pressure pump 6 'depending on the requested Fuel quantity controls or regulates.
  • the delivery rate is High pressure pump in the delivery pressure control in Low pressure circuit according to Figure 4 depending on the Inlet pressure at different speeds or in Dependence of the speed at different inlet pressures shown.
  • Figure 7 shows the amount of lubricant in Dependence of the speed at different inlet pressures; the amount of lubricant is essentially independent of the speed of the high pressure pump and the inlet pressure. It it is pointed out that the representations of the delivery quantities or lubricant quantities calculated Sizes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (10)

  1. Procédé pour générer et fournir du carburant à haute pression à une chambre accumulatrice à haute pression d'un système d'injection de carburant d'un moteur à combustion interne, selon lequel on fournit à l'aide d'une pompe basse pression comme pompe amont, du carburant d'un réservoir et on alimente le côté aspiration d'une pompe haute pression, et une partie du carburant fourni par la pompe basse pression assure la lubrification de la pompe haute pression,
    caractérisé en ce qu'
    on commande le débit de la pompe basse pression ou la pression d'alimentation du côté de refoulement de la pompe basse pression en fonction de la quantité de carburant demandée instantanément, de manière définie à l'aide d'un capteur de valeur de mesure et d'une installation de commande, et on dérive de la veine fournie par la pompe basse pression, un débit de lubrification constant, essentiellement indépendant de la pression du côté de refoulement et on transmet le courant résiduel au côté aspiration de la pompe haute pression.
  2. Système pour générer du carburant à haute pression d'un système d'injection de carburant notamment d'un système d'injection à rampe commune d'un moteur à combustion interne comprenant une pompe basse pression (6) aspirant dans un réservoir (2), une pompe haute pression (14) alimentée par la pompe basse pression (6) et débitant dans une chambre accumulatrice à haute pression et un circuit de lubrification utilisant le carburant débité comme agent lubrifiant pour lubrifier la pompe haute pression (14),
    caractérisé en ce que
    la pompe basse pression se commande en volume par une installation de commande (20) qui règle la quantité de carburant nécessaire instantanément, en fonction du débit volumique de la pompe basse pression (6), et
    le côté refoulement (8) de la pompe basse pression (6) est relié à une soupape de régulation de débit (10) conduisant au circuit de lubrification de la pompe haute pression en étant parallèle au côté aspiration (12) de la pompe haute pression (14).
  3. Système selon la revendication 2,
    caractérisé en ce que
    la pompe basse pression (6) est une pompe électrique à carburant, commandée en vitesse de rotation.
  4. Système selon la revendication 3,
    caractérisé par
    un capteur de vitesse de rotation (22) associé à la pompe électrique à carburant commandée en vitesse de rotation, ce capteur coopérant en réaction avec l'installation de commande (20) pour réguler la vitesse de rotation de la pompe électrique à carburant.
  5. Système pour générer du carburant à haute pression dans un système d'injection de carburant notamment d'un système d'injection à rampe commune d'un moteur à combustion interne comprenant une pompe basse pression (6) aspirant dans un réservoir (2), une pompe haute pression (14) alimentée par la pompe basse pression (6) et débitant dans une chambre accumulatrice à haute pression et un circuit de lubrification utilisant comme lubrifiant le carburant à débiter, pour lubrifier la pompe haute pression (24),
    caractérisé en ce que
    la pression d'alimentation du côté de refoulement de la pompe basse pression (6') est commandée en fonction de la demande instantanée de carburant par une installation de commande (20) et,
    le côté de refoulement de la pompe basse pression (6') communique avec une soupape de régulation de débit (10) aboutissant au circuit de lubrification de la pompe haute pression (14) et en parallèle au côté aspiration (12) de la pompe haute pression (14).
  6. Système selon la revendication 5,
    caractérisé en ce que
    la pompe basse pression (6') est réglable en pression et est commandée par l'installation de commande (20).
  7. Système selon la revendication 5,
    caractérisé en ce que
    la pompe basse pression (6') est une pompe à engrenages suivie d'une installation d'étranglement variable, commandée par l'installation de commande (20).
  8. Système selon la revendication 7,
    caractérisée en ce que
    l'installation d'étranglement variable en aval est un tiroir d'étranglement.
  9. Système selon la revendication 7,
    caractérisé en ce que
    l'installation d'étranglement variable en aval est une installation commandée en cadence par l'installation de commande (20) et cette installation d'étranglement est constituée par une électrovanne (32) montée dans la conduite de dérivation (30) reliée au réservoir (2) et commandée par l'installation de commande (20).
  10. Système selon l'une quelconque des revendications 2 à 8,
    caractérisé par
    une soupape de sécurité (26) du côté de refoulement de la pompe basse pression (6, 6') qui en cas de dépassement d'une pression prédéterminée coupe l'alimentation en carburant de la pompe haute pression (14).
EP98951269A 1997-09-10 1998-09-04 Procede et systeme de production de carburant sous haute pression Expired - Lifetime EP0937204B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19739653 1997-09-10
DE19739653A DE19739653A1 (de) 1997-09-10 1997-09-10 Verfahren zum Erzeugen von unter Hochdruck stehendem Kraftstoff sowie System zur Kraftstoffhochdruckerzeugung
PCT/DE1998/002606 WO1999013215A1 (fr) 1997-09-10 1998-09-04 Procede et systeme de production de carburant sous haute pression

Publications (2)

Publication Number Publication Date
EP0937204A1 EP0937204A1 (fr) 1999-08-25
EP0937204B1 true EP0937204B1 (fr) 2002-03-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98951269A Expired - Lifetime EP0937204B1 (fr) 1997-09-10 1998-09-04 Procede et systeme de production de carburant sous haute pression

Country Status (6)

Country Link
US (1) US6230688B1 (fr)
EP (1) EP0937204B1 (fr)
JP (1) JP4212655B2 (fr)
KR (1) KR20000068787A (fr)
DE (2) DE19739653A1 (fr)
WO (1) WO1999013215A1 (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19746563A1 (de) * 1997-10-22 1999-04-29 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
DE19900564C2 (de) * 1999-01-09 2003-09-18 Bosch Gmbh Robert Common-Rail-System
DE19900562C2 (de) * 1999-01-09 2000-11-16 Bosch Gmbh Robert Common-Rail-System
DE19933569B4 (de) * 1999-07-16 2004-09-30 Siemens Ag Einspritzsystem für eine Brennkraftmaschine
DE19939419A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19954695A1 (de) * 1999-11-13 2001-05-23 Bosch Gmbh Robert Kraftstoffeinspritzsystem
DE10001882A1 (de) * 2000-01-19 2001-08-02 Bosch Gmbh Robert Verfahren zum Betrieb einer Vorförderpumpe eines Kraftstoffzumesssystems und Kraftstoffzumesssystem einer direkteinspritzenden Brennkraftmaschine
DE10038555A1 (de) * 2000-08-03 2002-02-21 Bosch Gmbh Robert Kraftstoffversorgungssystem für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs
DE10127196A1 (de) * 2001-06-05 2002-12-12 Rolls Royce Deutschland Verfahren zur Brennstoffversorgung sowie Brennstoffversorgungssystem für ein mit zumindest einer Fluggasturbine versehenes Flugzeug
JP3849928B2 (ja) * 2001-09-03 2006-11-22 株式会社デンソー 燃料噴射ポンプ
DE10148222A1 (de) * 2001-09-28 2003-04-17 Bosch Gmbh Robert Verfahren zum Betrieb einer Brennkraftmaschine
US6712037B2 (en) * 2002-01-09 2004-03-30 Visteon Global Technologies, Inc. Low pressure direct injection engine system
DE10240310A1 (de) * 2002-08-31 2004-03-11 Robert Bosch Gmbh Kraftstoffsystem für eine Brennkraftmaschine
JP3915718B2 (ja) * 2003-03-11 2007-05-16 株式会社デンソー 燃料供給ポンプ
DE102004045738B4 (de) 2004-09-21 2013-05-29 Continental Automotive Gmbh Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
US8370006B2 (en) * 2006-03-20 2013-02-05 General Electric Company Method and apparatus for optimizing a train trip using signal information
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
DE102008018603A1 (de) * 2008-04-11 2009-10-15 Volkswagen Ag Steuerung einer Kraftstoffpumpe
DE102008059117B4 (de) * 2008-11-26 2011-07-28 Continental Automotive GmbH, 30165 Hochdruckpumpenanordnung
DE102009031527B3 (de) * 2009-07-02 2010-11-18 Mtu Friedrichshafen Gmbh Verfahren zur Steuerung und Regelung einer Brennkraftmaschine
US20110226219A1 (en) * 2010-03-17 2011-09-22 Caterpillar Inc. Fuel lubricated pump and common rail fuel system using same
US8590510B2 (en) 2010-08-24 2013-11-26 Ford Global Technologies, Llc Fuel system for a multi-fuel engine
DE102010064374B3 (de) 2010-12-30 2012-07-12 Continental Automotive Gmbh Kraftstoffeinspritzsystem einer Brennkraftmaschine sowie dazugehöriges Druckregelverfahren, Steuergerät und Kraftfahrzeug
US8776764B2 (en) 2011-01-04 2014-07-15 Ford Global Technologies, Llc Fuel system for a multi-fuel engine
DE102011006203B4 (de) 2011-03-28 2016-05-04 Continental Automotive Gmbh Regelverfahren zum Einstellen eines Drucks in einem Speichereinspritzsystem einer Brennkraftmaschine
US9303605B2 (en) * 2011-11-10 2016-04-05 GM Global Technology Operations LLC System and method for circulating fuel through a direct injection pump of a bi-fuel engine
DE102011087055B4 (de) * 2011-11-24 2013-11-07 Continental Automotive Gmbh Verfahren zum Betreiben eines Einspritzsystems
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
US9638153B2 (en) * 2015-02-20 2017-05-02 Ford Global Technologies, Llc Method for cooling a direct injection pump
DE102015207682B4 (de) * 2015-04-27 2018-10-11 Continental Automotive Gmbh Verfahren zur Regelung einer Kraftstoffförderpumpe
CN108798928B (zh) * 2017-05-04 2022-07-15 罗伯特·博世有限公司 共轨式燃料喷射系统中燃料供应的控制方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670684A (en) * 1950-01-21 1954-03-02 Volvo Ab Fuel injection device for internalcombustion engines
CA1040497A (fr) * 1975-03-17 1978-10-17 Lloyd E. Johnson Etancheite de pompes d'injection de carburant
GB2028916B (en) * 1978-08-23 1982-09-22 Lucas Industries Ltd Fuel supply system for internal combustion engine
US4493623A (en) * 1983-02-22 1985-01-15 Chandler Evans Inc. Oil lubricated main drive shaft for fuel pump
DE3410911A1 (de) * 1983-04-06 1984-10-11 Ernst Dipl.-Ing. 4600 Dortmund Korthaus Kolbenpumpe
US5000668A (en) * 1988-04-27 1991-03-19 Diesel Kiki Co., Ltd. Distribution-type fuel injection pump
DE3943299A1 (de) * 1989-12-29 1991-07-04 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
DE4126640B4 (de) * 1991-08-12 2005-06-16 Robert Bosch Gmbh Pumpenanordnung mit einer Vorförderpumpe und einer Radialkolbenpumpe
DE4401083A1 (de) * 1994-01-15 1995-07-20 Daimler Benz Ag Für eine Brennkraftmaschine vorgesehene Kraftstoffeinspritzanlage
DE4401074B4 (de) * 1994-01-15 2007-01-18 Robert Bosch Gmbh Pumpenanordnung, insbesondere zur Förderung von Kraftstoff aus einem Vorratsbehälter zu einer Brennkraftmaschine
DE19539885A1 (de) * 1995-05-26 1996-11-28 Bosch Gmbh Robert Kraftstoffversorgungsanlage und Verfahren zum Betreiben einer Brennkraftmaschine
DE19534051A1 (de) * 1995-09-14 1997-03-20 Bosch Gmbh Robert Verfahren zum Betrieb einer Kraftstoffeinspritzeinrichtung
DE19549108A1 (de) * 1995-12-29 1997-07-03 Bosch Gmbh Robert System zur Kraftstoffhochdruckerzeugung für ein in Brennkraftmaschinen eingesetztes Kraftstoffeinspritzsystem
US5899136A (en) * 1996-12-18 1999-05-04 Cummins Engine Company, Inc. Low leakage plunger and barrel assembly for high pressure fluid system

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Publication number Publication date
JP4212655B2 (ja) 2009-01-21
KR20000068787A (ko) 2000-11-25
JP2001504920A (ja) 2001-04-10
DE19739653A1 (de) 1999-03-11
WO1999013215A1 (fr) 1999-03-18
EP0937204A1 (fr) 1999-08-25
US6230688B1 (en) 2001-05-15
DE59803428D1 (de) 2002-04-25

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