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 PDFInfo
- 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- Withdrawn
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 76
- 238000002485 combustion reaction Methods 0.000 title claims description 20
- 238000002347 injection Methods 0.000 title claims description 18
- 239000007924 injection Substances 0.000 title claims description 18
- 238000005461 lubrication Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000003079 width control Methods 0.000 abstract 2
- 239000002828 fuel tank Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, 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
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2024—Output 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
- F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps 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
- F02M59/04—Pumps 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
- F02M59/06—Pumps 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
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps 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
- F02M59/08—Pumps 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
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps 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
- F02M59/10—Pumps 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
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
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.
Landscapes
- 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)
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)
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 |
Families Citing this family (18)
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19853103A1 (de) | 1998-11-18 | 2000-05-25 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für Brennkraftmaschinen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4643155A (en) * | 1984-10-05 | 1987-02-17 | Olin Corporation | Variable stroke, electronically controlled fuel injection control system |
CH674243A5 (fr) * | 1987-07-08 | 1990-05-15 | Dereco Dieselmotoren Forschung | |
CH689281A5 (de) * | 1994-02-03 | 1999-01-29 | Christian Dipl-Ing Eth Mathis | Kraftstoffeinspritzanlage fuer eine Brennkraftmaschine, insbesondere fuer einen Dieselmotor, sowie ein Verfahren zur Ueberwachung derselben. |
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 |
-
2002
- 2002-04-23 DE DE10218021A patent/DE10218021A1/de not_active Withdrawn
-
2003
- 2003-03-03 EP EP03004641A patent/EP1357285A3/fr not_active Withdrawn
- 2003-04-22 JP JP2003117262A patent/JP2003314394A/ja active Pending
- 2003-04-23 US US10/420,766 patent/US6976473B2/en not_active Expired - Fee Related
Patent Citations (1)
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)
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 |
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 |
WO2007107411A3 (fr) * | 2006-03-22 | 2007-11-08 | Bosch Gmbh Robert | 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 |
KR100955391B1 (ko) * | 2007-09-11 | 2010-05-03 | 씨.알.에프. 쏘시에타 컨서틸 퍼 아지오니 | 가변 유량 고압 펌프를 포함하는 연료분사 시스템 |
US7779815B2 (en) | 2007-09-11 | 2010-08-24 | C.R.F. Societa Consortile Per Azioni | Fuel injection system comprising a variable flow rate high-pressure pump |
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 |
US7699040B2 (en) | 2007-09-13 | 2010-04-20 | Magneti Marelli Powertrain S.P.A. | Control method for a direct injection system of the common-rail type provided with a shut-off valve for controlling the flow rate of a high-pressure fuel pump |
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 |
US9739209B2 (en) | 2013-07-18 | 2017-08-22 | Continental Automotive Gmbh | Method for operating a fuel injection system of an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
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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