EP1357285A2 - Dispositif d'injection de carburant pour un moteur à combustion interne - Google Patents

Dispositif d'injection de carburant pour un moteur à combustion interne Download PDF

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Publication number
EP1357285A2
EP1357285A2 EP03004641A EP03004641A EP1357285A2 EP 1357285 A2 EP1357285 A2 EP 1357285A2 EP 03004641 A EP03004641 A EP 03004641A EP 03004641 A EP03004641 A EP 03004641A EP 1357285 A2 EP1357285 A2 EP 1357285A2
Authority
EP
European Patent Office
Prior art keywords
pump
fuel
pressure pump
high pressure
valve
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.)
Withdrawn
Application number
EP03004641A
Other languages
German (de)
English (en)
Other versions
EP1357285A3 (fr
Inventor
Burkhard Boos
Stefan Kieferle
Mattias Distel
Achim Koehler
Sascha Ambrock
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 EP1357285A2 publication Critical patent/EP1357285A2/fr
Publication of EP1357285A3 publication Critical patent/EP1357285A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/38Controlling fuel injection of the high pressure type
    • F02D41/3809Common rail control systems
    • F02D41/3836Controlling the fuel pressure
    • F02D41/3845Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20Varying fuel delivery in quantity or timing
    • F02M59/36Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366Valves being actuated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46Valves
    • F02M59/466Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/20Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2024Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • F02D2041/2027Control of the current by pulse width modulation or duty cycle control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/04Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
    • F02M59/06Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/08Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by two or more pumping elements with conjoint outlet or several pumping elements feeding one engine cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102Mechanical drive, e.g. tappets or cams
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/02Fuel-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
    • F02M63/0225Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails

Definitions

  • the invention is based on one Fuel injection device for an internal combustion engine according to the preamble of claim 1.
  • Such a fuel injection device is by DE 198 53 103 A1 known.
  • This fuel injector has a high pressure pump through which fuel is submerged High pressure is pumped into a store. With the store are arranged on cylinders of the internal combustion engine Connected injectors. A feed pump is provided through the fuel from a fuel tank Suction side of the high pressure pump is promoted. Still is one controlled by an electronic control device Fuel metering device provided in the connection between the delivery side of the delivery pump and the suction side of the High pressure pump is arranged. The Fuel metering device is used to control the through the High-pressure pump fuel quantity pumped into the store depending on the operating parameters of the internal combustion engine.
  • the Fuel metering device has a control valve that has a slide-shaped valve member, which by a Electromagnet is movable against a return spring.
  • the Valve element controls in cooperation with one Drain opening of the valve housing via its outer jacket a flow cross-section in the connection of the feed pump to the high pressure pump. This results in a Throttling of the inflow to the high pressure pump Fuel flow.
  • the pressure generated by the feed pump falls off, so that the high pressure pump only partially is filled.
  • the high pressure pump thereby has one bad delivery rate. Under certain Operating conditions of the internal combustion engine, for example in overrun, the high pressure pump must not Fuel can be pumped into the memory, this State is referred to as zero funding.
  • the fuel injection device with the Features according to claim 1 has the advantage that through the design of the control valve as a timing valve none Throttling of the suction side of the high pressure pump Fuel occurs, causing the filling and the degree of delivery the high pressure pump are improved.
  • the Clock valve of the feed from the feed pump to the suction side of the High pressure pump completely closed in a simple manner are, as indicated in claim 2, so that none additional measures are required to Ensure zero delivery of the high pressure pump the structure of the fuel injector is simplified and their efficiency is improved.
  • FIG. 1 shows a Fuel injection device for an internal combustion engine in a schematic representation
  • Figure 2 is a diagram of timing of a clock valve Fuel injector.
  • FIG. 1 is a fuel injection device for a Internal combustion engine, for example of a motor vehicle shown.
  • the internal combustion engine is preferably one self-igniting internal combustion engine and has one or several cylinders.
  • the motor vehicle has one Fuel tank 10 in which fuel for the Operation of the internal combustion engine is stored.
  • the Fuel injection device has a feed pump 12 on, through the fuel from the fuel tank 10 via a connection 13 to the suction side of a High pressure pump 14 is promoted.
  • the high pressure pump 14 delivers fuel to a memory 16, for example be tubular or in any other form can. Lines 18 lead from memory 16 to the Injectors 20 arranged in cylinders of the internal combustion engine from.
  • Control valve 22 arranged through an opening of the Injectors are controlled so as to fuel injection to effect by the respective injector 20 or To prevent fuel injection.
  • the control valves 22 are controlled by an electronic control device 23 controlled by the depending on Operating parameters of the internal combustion engine, such as for example speed, load, temperature and other, the Time and duration of fuel injection by the Injectors 20 is determined.
  • the high pressure pump 14 is mechanically by the Internal combustion engine and therefore proportional to the speed of the Internal combustion engine driven.
  • the feed pump 12 can also mechanically by the internal combustion engine are driven, being for the high pressure pump 14 and Feed pump 12, a common drive shaft can be provided can.
  • the feed pump 12 can alternatively also, for example have an electric motor drive.
  • the high pressure pump 14 can be designed as a radial piston pump be and has several, for example three evenly spaced from each other Pump elements 30, each one by one common drive 32 driven in one stroke
  • the Drive 32 can be, for example, an eccentric shaft and a through this move polygon on which the Support pump piston 34 of pump elements 30.
  • an outlet valve 38 In the Connections of the pump work rooms 36 to the reservoir 16 is an outlet valve 38 in the form of a to the memory 16 arranged opening check valve through which the Separation between the pump work rooms 36 and the Storage 16 takes place during the suction stroke of the pump piston 34.
  • the feed pump 12 In the Connections of the pump work rooms 36 to the pressure side the feed pump 12 is an inlet valve 39 in the form one opening to the pump work rooms 36 Check valve arranged through which the separation between the pump work rooms 36 and the feed pump 12 during the delivery stroke of the pump piston 34.
  • the pump pistons 34 During one respective suction strokes of the pump pistons 34, if these are moving radially inward are the pump work spaces 36 when the inlet valves 39 are open with the outlet of the Feed pump 12 connected and are filled with fuel, the pump work spaces 36 through the closed Exhaust valves 38 are separated from the memory 16. While a respective delivery stroke of the pump piston 34, if this the pump work rooms are moving radially outwards 36 with the outlet 16 when the outlet valves 38 are open connected and through the closed inlet valves 39 of the pressure side of the feed pump 12 separated.
  • the fuel injector also has one Fuel meter 44 on between the Pressure side of the feed pump 12 and the suction side of the High pressure pump 14 is arranged.
  • the Fuel metering device 44 is electric actuated clock valve formed, the actuator 45, for example an electromagnet or a piezo actuator, having.
  • the clock valve 44 can be used as a 2/2-way valve be trained.
  • the actuator 45 is by the Control device 23 controlled, the clock valve 44 between an open switch position in which the Connection between the pressure side of the feed pump 12 and the suction side of the high pressure pump 14 is fully open, and a closed switch position in which the connection between the pressure side of the feed pump 12 and the suction side the high pressure pump 14 is completely separate, switchable is.
  • the fuel metering device 44 is operated by the Control device 23 controlled pulse width modulated in the Way that the opening duration of the clock valve 44 is so long that the high pressure pump 14 a defined amount of fuel is fed, which in turn by the high pressure pump 14 is promoted under high pressure in the memory 16 to in Memory 16 a predetermined, of operating parameters Maintain internal combustion engine dependent pressure.
  • a pressure sensor 17 is arranged, which with is connected to the control device 23, which thus signals receives about the actual pressure in the memory 16 and the Setting the duration of the clock valve 44 so that the Flow of fuel to the high pressure pump 14 so is set so that the predetermined pressure in the memory 16 is achieved.
  • the timing valve 44 is controlled by the control device 23 preferably as shown in Figure 2 in synchronism with the suction stroke h the pump piston 34 of the pump elements 30 is activated, such that the opening duration D of the clock valve 44 during of the suction stroke h of the pump piston 34 of a respective one Pump element 30 is so large that the pump piston 34 a Sucks amount of fuel into the pump workspace 36, the in the subsequent delivery stroke of the pump piston 34 in the Memory 16 is promoted to 16 in the memory maintain predetermined pressure.
  • the bigger the Amount of fuel that is by the high pressure pump 14 or whose pump elements 30 are conveyed into the memory 16 the longer the opening period D of the cycle valve becomes 44 set by the control device 23.
  • Cycle valve 44 at the beginning of each suction stroke Pump element 30 is initially closed and during the Suction strokes are opened so that the required Amount of fuel is sucked through the pump element 30.
  • the frequency of the pulse width modulation of the clock valve 44 is thereby synchronous with the speed of the high pressure pump 14 set.
  • the high pressure pump 14 required opening time of the clock valve 44 when controlled is so short for each pump element 30 that it is due to the inertia of the clock valve 44 no longer correct can be set, it can be provided that how shown at C in Figure 2 only for every second Pump element 30, the clock valve 44 is opened. in this connection the timing valve 44 remains for a pump element 30 completely closed and will for a following Pump element 30 opened.
  • the period of the control of the clock valve 44 is in Figure 2 at C again with T designated.
  • the frequency of the Pulse width modulation of the clock valve 44 in synchronism with one Multiples of the speed of the high pressure pump 14 are set.
  • the timing valve 44 is not in controlled by the control device 23, the means in a de-energized state, in its open state Switch position and when activated by the Control device 23, that is, in the voltage-loaded State is brought into its closed switching position.
  • the Clock valve 44 in not by the control device 23 controlled state, that is in a de-energized state, is in its closed switching position and at Control by the control device 23, that is in stressed state, in its open Switch position is brought.
  • the pulse duty factor for pulse width modulated control of the clock valve 44 that is the ratio of the actuated Time period for the uncontrolled time period and thus that Ratio of the open period to the closed one Duration of the suction stroke of the pump elements 30 can be in Shape of a map as a function of the High pressure pump 14 to be promoted in the memory 16 Fuel quantity can be stored in the control device 23.
  • bypass connection 48 leading to a relief area leads, for example, the suction side of the feed pump 12 can serve.
  • a Relief area opening pressure valve 50 is arranged in the bypass connection 48. If no full delivery by the high pressure pump 14 should take place and the clock valve 44 is not constantly open becomes, the pressure between the feed pump 12 and the timing valve 44 and when the opening pressure of the Pressure valve 50 is exceeded, fuel flows to Suction side of the feed pump 12 back.
  • a further bypass connection 52 to one Low pressure range than, for example, a return 54 can serve in the fuel tank 10.
  • a throttle point 56 intended in the further bypass connection 52 is one Venting the connection 13 between the feed pump 12 and the high pressure pump 14 allows.
  • a lubrication connection 58 to the drive 32 of the high pressure pump 14, through which the drive 32 fuel for lubrication is fed.
  • a Pressure valve 60 arranged, which only when a predetermined pressure opens and the lubrication connection 58th releases. This ensures that in particular when starting the internal combustion engine, if by the Feed pump 12 must first be built up pressure fuel delivered by the high-pressure pump 14 is supplied and not via the lubrication connection 58 Fuel is diverted.
  • a throttle point 62 through which the Drive 32 supplied amount of fuel is limited. from Guide drive 32 of high pressure pump 14 Relief connections 64 to the return 54 in which each a throttle point 66 or one to the return 54 opening pressure valve 68 is arranged.
  • the fuel injector can also at least have a pressure booster 70 which between the memory 16 and the injectors 20 is arranged and through which the pressure of the injectors 20 and for fuel injection compared to that in Memory 16 prevailing pressure is increased again. It can a separate one for each injector 20 Pressure increasing device 70 may be provided, which in the Injector 20 can be integrated.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
EP03004641A 2002-04-23 2003-03-03 Dispositif d'injection de carburant pour un moteur à combustion interne Withdrawn EP1357285A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10218021 2002-04-23
DE10218021A DE10218021A1 (de) 2002-04-23 2002-04-23 Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP1357285A2 true EP1357285A2 (fr) 2003-10-29
EP1357285A3 EP1357285A3 (fr) 2004-09-22

Family

ID=28685245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03004641A Withdrawn EP1357285A3 (fr) 2002-04-23 2003-03-03 Dispositif d'injection de carburant pour un moteur à combustion interne

Country Status (4)

Country Link
US (1) US6976473B2 (fr)
EP (1) EP1357285A3 (fr)
JP (1) JP2003314394A (fr)
DE (1) DE10218021A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741912A3 (fr) * 2005-07-05 2007-06-27 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Méthode et dispositif de commande d'un système d'injection de carburant pour un moteur à combustion interne d'un véhicule automobile
WO2007107411A2 (fr) * 2006-03-22 2007-09-27 Robert Bosch Gmbh Pompe d'injection haute pression et système d'injection pour un moteur à combustion interne
EP2037117A1 (fr) * 2007-09-11 2009-03-18 C.R.F. Società Consortile per Azioni Système d'injection de carburant comprenant une pompe à carburant à haute pression à débit variable
EP2037111A1 (fr) * 2007-09-13 2009-03-18 Magneti Marelli Powertrain S.p.A. Procédé de commande pour un système d'injection directe à rampe d'alimentation commune comprenant une soupape d'arrêt pour commander le débit d'une pompe à carburant à haute pression
ITMI20091138A1 (it) * 2009-06-26 2010-12-27 Bosch Gmbh Robert Impianto di alimentazione carburante ad un motore a combustione interna
WO2015007446A1 (fr) * 2013-07-18 2015-01-22 Continental Automotive Gmbh Procédé permettant de faire fonctionner un système d'injection de carburant d'un moteur à combustion interne

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Publication number Priority date Publication date Assignee Title
DE10239429A1 (de) * 2002-08-28 2004-03-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10343480A1 (de) * 2003-09-19 2005-04-14 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE102004045738B4 (de) * 2004-09-21 2013-05-29 Continental Automotive Gmbh Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
ATE355457T1 (de) * 2004-11-12 2006-03-15 Fiat Ricerche Hochdruckpumpe mit einer einrichtung zum steuern des durchflusses für ein brennstoffeinspritzsystem
DE102004059330A1 (de) * 2004-12-09 2006-06-14 Robert Bosch Gmbh Verfahren zum Betreiben eines Kraftstoffsystems einer Brennkraftmaschine
ES2282837T3 (es) * 2004-12-23 2007-10-16 C.R.F. Societa' Consortile Per Azioni Un sistema de inyeccion de carburante con volumen de almacenamiento p ara un motor de combustion interna.
EP1674716B1 (fr) * 2004-12-23 2010-12-15 C.R.F. Società Consortile per Azioni Système d'injection de carburant comprenant une pompe à carburant à haute pression à débit variable
JP4000159B2 (ja) * 2005-10-07 2007-10-31 三菱電機株式会社 エンジンの高圧燃料ポンプ制御装置
EP1865193B1 (fr) * 2006-06-09 2010-11-03 C.R.F. Società Consortile per Azioni Dispositif d'injection de carburant pour un moteur à combustion interne
DE102007000855B4 (de) * 2006-12-27 2020-06-10 Denso Corporation Kraftstofffördergerät und Speicherkraftstoffeinspritzsystem, das dieses aufweist
ATE480702T1 (de) * 2007-09-21 2010-09-15 Magneti Marelli Spa Steuerverfahren für ein common-rail einspritzsystem mit einem absperrventil zur steuerung des flusses einer hochdruckbrennstoffpumpe
DE102009031527B3 (de) * 2009-07-02 2010-11-18 Mtu Friedrichshafen Gmbh Verfahren zur Steuerung und Regelung einer Brennkraftmaschine
DE102009028023A1 (de) * 2009-07-27 2011-02-03 Robert Bosch Gmbh Hochdruck-Einspritzsystem mit Kraftstoffkühlung aus Niederdruckbereich
US9753443B2 (en) 2014-04-21 2017-09-05 Synerject Llc Solenoid systems and methods for detecting length of travel
US9997287B2 (en) 2014-06-06 2018-06-12 Synerject Llc Electromagnetic solenoids having controlled reluctance
WO2015191348A1 (fr) 2014-06-09 2015-12-17 Synerject Llc Procédés et appareil de refroidissement d'une bobine de solénoïde d'une pompe à solénoïde
CN106640449B (zh) * 2016-12-27 2018-05-29 清华大学 用于内燃机的自吸式电控低压燃料计量器
JP6988352B2 (ja) 2017-10-11 2022-01-05 株式会社デンソー 燃料ポンプ

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DE19549108A1 (de) * 1995-12-29 1997-07-03 Bosch Gmbh Robert System zur Kraftstoffhochdruckerzeugung für ein in Brennkraftmaschinen eingesetztes Kraftstoffeinspritzsystem
DE19618707C2 (de) * 1996-05-09 1998-12-17 Siemens Ag Verfahren und Vorrichtung zur Regelung eines Kraftstoffvolumenstromes
DE19625698B4 (de) * 1996-06-27 2005-09-22 Robert Bosch Gmbh Einspritzeinrichtung zum kombinierten Einspritzen von Kraftstoff und Zusatzflüssigkeit
DE19727785B4 (de) * 1997-06-30 2006-04-13 Robert Bosch Gmbh Mengenregelventil zur Steuerung von Flüssigkeiten
DE19810867C2 (de) * 1998-03-13 2000-02-24 Bosch Gmbh Robert Kraftstoffpumpen-Anordnung
DE69925783T2 (de) * 1998-04-15 2006-05-11 Denso Corp., Kariya Brennstoffeinspritzsystem für eine Brennkraftmaschine
DE19834120A1 (de) * 1998-07-29 2000-02-03 Bosch Gmbh Robert Kraftstoffversorgungsanlage einer Brennkraftmaschine
JP4206563B2 (ja) * 1999-06-18 2009-01-14 株式会社デンソー 燃料噴射装置
DE19956093B4 (de) * 1999-11-22 2005-03-31 Siemens Ag Kraftstoff-Fördereinrichtung für ein Common-Rail-Einspritzsystem
JP4841772B2 (ja) * 2001-09-28 2011-12-21 いすゞ自動車株式会社 コモンレール式燃料噴射制御装置
EP1321663A3 (fr) * 2001-12-19 2003-07-02 Robert Bosch Gmbh Dispositif d'injection de combustible pour moteur à combustion interne

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Publication number Priority date Publication date Assignee Title
DE19853103A1 (de) 1998-11-18 2000-05-25 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741912A3 (fr) * 2005-07-05 2007-06-27 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Méthode et dispositif de commande d'un système d'injection de carburant pour un moteur à combustion interne d'un véhicule automobile
US7422002B2 (en) 2005-07-05 2008-09-09 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Method and apparatus for controlling a fuel injection system for an internal combustion engine in a vehicle
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JP2003314394A (ja) 2003-11-06
DE10218021A1 (de) 2003-11-06
US6976473B2 (en) 2005-12-20
US20040016830A1 (en) 2004-01-29
EP1357285A3 (fr) 2004-09-22

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