EP1360406A1 - Systeme d'alimentation en carburant, procede pour le faire fonctionner, programme informatique ainsi qu'appareil de commande et/ou de regulation pour le piloter - Google Patents

Systeme d'alimentation en carburant, procede pour le faire fonctionner, programme informatique ainsi qu'appareil de commande et/ou de regulation pour le piloter

Info

Publication number
EP1360406A1
EP1360406A1 EP02708213A EP02708213A EP1360406A1 EP 1360406 A1 EP1360406 A1 EP 1360406A1 EP 02708213 A EP02708213 A EP 02708213A EP 02708213 A EP02708213 A EP 02708213A EP 1360406 A1 EP1360406 A1 EP 1360406A1
Authority
EP
European Patent Office
Prior art keywords
fuel
fuel pump
internal combustion
combustion engine
valve device
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.)
Granted
Application number
EP02708213A
Other languages
German (de)
English (en)
Other versions
EP1360406B1 (fr
Inventor
Helmut Rembold
Jens Wolber
Uwe Mueller
Markus Amler
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 EP1360406A1 publication Critical patent/EP1360406A1/fr
Application granted granted Critical
Publication of EP1360406B1 publication Critical patent/EP1360406B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • F02D33/006—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge depending on engine operating conditions, e.g. start, stop or ambient conditions
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • F02M37/0035—Thermo sensitive 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/20—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M59/38—Pumps characterised by adaptations to special uses or conditions
    • F02M59/42—Pumps characterised by adaptations to special uses or conditions for starting of engines
    • 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
    • F02M59/442—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 means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/04—Draining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • 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
    • F02D2250/02—Fuel evaporation in fuel rails, e.g. in common rails
    • 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

Definitions

  • Fuel system Method for operating the fuel system, computer program and control and / or control unit for controlling the fuel system
  • the invention first relates to a fuel system for supplying fuel for an internal combustion engine, with a storage container, a first fuel pump, which is connected on the input side to the storage container, a second fuel pump, which is connected on the input side to the first fuel pump, with at least one injection valve, which is connected to is connected to the second fuel pump and can supply fuel at least indirectly to a combustion chamber, and with a leakage line provided between the second fuel pump and the storage container.
  • a first fuel pump delivers from a fuel reservoir
  • the second fuel pump is a high-pressure fuel pump which delivers the fuel under very high pressure into a fuel manifold (also called a "rail"). From there, the fuel reaches at least one injection valve, via which the fuel finally enters the combustion chamber
  • valve device is arranged in the leakage line with a shut-off and pressure-limiting function connected in parallel.
  • valve device with a shut-off function in the leakage line ensures that the increased after the internal combustion engine has been switched off
  • Pre-pressure is maintained in the fuel connection between the first and second fuel pumps.
  • fuel is prevented from passing through the gap between the movable pump element and the boundary of the pump chamber of the second fuel pump and flowing back to the reservoir. This would lead to a gradual decrease in the pressure in the fuel connection upstream of the second fuel pump.
  • Maintaining the pressure prevents gas bubbles from forming in the connection between the first and second fuel pumps after a hot internal combustion engine has been switched off.
  • Such gas bubbles occur when the fuel in the fuel lines between the fuel pumps heats up due to heat conduction from the internal combustion engine.
  • the pressure such as "this is possible with the inventive fuel system, maintained with a parked internal combustion engine, the emergence can such gas bubbles are largely avoided, the starting performance of a equipped with the inventive fuel system engine greatly improved.
  • the valve device in the leakage line also has a pressure limiting function in addition to the shut-off function. After the hot internal combustion engine has been switched off, the heating of the fuel and the associated expansion of the fuel in the fuel line between the first and the second fuel pump could lead to an inadmissible pressure rise in this area.
  • Pressure increase is prevented by the pressure limiting function of the valve device.
  • the components in the fuel connection upstream of the high-pressure fuel pump are thus protected against impermissibly high pressures even when the internal combustion engine is switched off, which increases their service life.
  • cheaper components designed for lower pressures can also be used.
  • a first further development states that in the
  • Valve device for both functions the same valve member is used.
  • a corresponding valve device is very small.
  • shut-off function of the valve device can be controlled electrically. This enables the shut-off function of the valve device to be activated by a simple control signal when the engine control signals that the internal combustion engine is being switched off.
  • a simple to manufacture and small-sized version of a valve device with a combined shut-off and pressure-limiting function consists in that the valve device is used to provide the
  • Pressure limiting function preloaded and electrically operable to cancel the shut-off function against the biasing force valve element.
  • valve device in the
  • Area of the internal combustion engine in particular in the area of the second fuel pump, is arranged.
  • the valve device in the housing of the second fuel pump.
  • the shutoff of the leakage line is released during the operation of the internal combustion engine and thus also during the operation of the second fuel pump.
  • the leakage line is therefore largely depressurized. Owing to
  • Heat conduction from the hot internal combustion engine also heats and vaporizes the fuel in the leakage line. After the internal combustion engine has been switched off, there is initially only vapor fuel in the leakage line.
  • valve device If the shut-off function of the valve device is activated and the leakage line is closed when the internal combustion engine is switched off, then if the valve device were arranged far from the second fuel pump, a substantial vaporous fuel volume would initially be in to to HH o L ⁇ o L ⁇ o L ⁇
  • the fuel guided past the pump chamber can also be used to cool the second fuel pump, which means the hot operation of the fuel system and the one equipped with it
  • the invention further relates to a method for operating the fuel system of the type mentioned above.
  • the effect of the proposed valve means is optimal if the barrier function of the valve device activated immediately after the shutdown of the internal combustion engine and is ⁇ deactivated immediately after the starting of the internal combustion engine. Activation of the shut-off function of the valve device closes the
  • valve device whereas the deactivation of the shut-off function leads to the valve device being opened.
  • the shut-off function of the valve device is preferably activated in the “ de-energized state, whereas it is deactivated in the energized state.
  • the first fuel pump remains after
  • the increase in the pressure in the area in front of the second fuel pump is, however, only necessary if the internal combustion engine is switched off when it is hot. It is therefore particularly preferred if the parameters relevant for a hot start of the internal combustion engine are detected and the first fuel pump and / or the valve device is controlled as a function of the detected parameters.
  • the parameters include a cooling water temperature and / or an intake air temperature and / or a speed and / or a load.
  • the pressure at the inlet of the second fuel pump can be set in a particularly simple manner via the speed of the first fuel pump.
  • the invention further relates to a computer program which is suitable for carrying out the method of the type mentioned above when it is executed on a computer. It is particularly preferred if the computer program is stored on a memory, in particular on a flash memory.
  • the invention relates to a control and / or regulating device for controlling the above fuel system, it being proposed that the control and / or regulating device be provided with a computer program of the type described above.
  • Fig.l a schematic block diagram of a first embodiment of a fuel system
  • FIG. 2 a schematic detailed illustration of a second fuel pump and a valve device of the fuel system from FIG. 1;
  • Fig. 3 a representation similar to Fig. 1 of a second
  • FIG. 4 a representation similar to FIG. 1 of a third exemplary embodiment of a fuel system.
  • a fuel system bears the reference number 10 overall. It comprises a low-pressure area 12 and a high-pressure area 14. First, to the low-pressure area 12:
  • the fuel 18 is delivered from the reservoir 16 by a first fuel pump 20.
  • the electric fuel pump 20 feeds into a low-pressure fuel line 24. In this, after the electric fuel pump 20 seen in the direction of flow, there is first a check valve 26 and then an LO to to
  • Fuel system 10 is controlled via a quantity control valve 56, which connects the area of fuel line 44 located between check valve 46 and high-pressure pump 38 to the area of low-pressure fuel line 24 located between check valve 42 and pressure damper 40.
  • the fuel system 10 also includes a control and regulating device 58, which i.a. Receives signals from a temperature sensor 60 with which the temperature of the cooling water of the internal combustion engine is detected.
  • a sensor 62 for detecting the temperature of the intake air is also provided, which likewise outputs signals to the control and regulating device 58.
  • a sensor 64 supplies the control and regulating device 58 with information about the rotational speed of the internal combustion engine and a sensor 66 with corresponding information regarding the current load of the internal combustion engine.
  • the control and regulating device 58 also receives signals from the pressure sensor 36 of the low pressure region 12 of the fuel system 10 and from the pressure sensor 52 of the high pressure region 14 of the fuel system 10.
  • a leakage line 68 leads from the high-pressure pump 38 back to the storage container 16.
  • a valve device 70 is present in the leakage line 68, directly at the high-pressure pump 38.
  • Valve device 70 via a shut-off function 72 and a pressure limiting function 74, which are connected in parallel to one another.
  • the fuel system 10 shown in FIGS. 1 and 2 operates as follows:
  • the fuel 18 is removed from the storage container 16 by the electric fuel pump 20 in the fuel line 24
  • High pressure pump 38 promoted.
  • the high-pressure pump 38 conveys the fuel 18 pre-compressed by the electric fuel pump 20, further increasing the pressure, into the fuel line 44 to the fuel collecting line 48.
  • the pressure limiter 32 and the throttle 34 which are otherwise designed as a modular unit with the electric fuel pump 20, accelerate and facilitate the production of a stable admission pressure in the low pressure region 12 of the fuel system 10 when the electric fuel pump is switched on.
  • the pressure sensor 52 and the quantity control valve 56 are part of a closed control path via which the quantity of fuel delivered by the high pressure pump 38 into the high pressure area 14 of the fuel system 10 is set.
  • the valve device 70 is controlled by the control and regulating device 58 such that a free flow through the leakage line 68 from the high-pressure pump 38 to the reservoir 16 is possible.
  • the control and regulation takes place according to a computer program, which is stored in the control and regulating device. This makes it possible for fuel which flows through the gap seal between the piston 76 and the cylinder housing 80 to the annular groove 86 to flow back to the reservoir 16 via the leakage line 68. This ensures that the piston seal 84 is relieved of pressure.
  • ⁇ tr rr 0 Z rt ⁇ 0 ⁇ « ⁇ X ⁇ ⁇ - tr 1 ⁇ - 0 ⁇ rr c X ⁇ rr rt s ⁇ OJ rt tr ⁇ ⁇ - CO tr ⁇ - Cb O 0 Cb 3 ⁇ to ⁇ ⁇ , ⁇ . ⁇ 0 ⁇ CD 3 ⁇ 3 CQ to Cb 0 CD
  • ⁇ 0 ⁇ rt LO ⁇ o OJ co ⁇ ⁇ ⁇ ⁇ -] -J ⁇ Cb er Cb ⁇ to ⁇ to 0 Hl tr tr 0 ⁇ ⁇ CQ rt ⁇ - 3 o ⁇ Cb C ⁇ O cn ⁇ ⁇ ⁇ - N ⁇ - tr ⁇ - ⁇ ⁇ - Cb Hi rt
  • ⁇ ⁇ - ⁇ - 0J ⁇ ⁇ ⁇ - ⁇ 0J PJ Cb Cb ⁇ 0 ⁇ ⁇ J rr 0 ⁇ Cb ⁇ ⁇ - O ⁇ - ⁇ : ⁇ ⁇ tr to 0 ⁇ 3 ⁇ ⁇ CQ ⁇ Hl 0 ⁇ ⁇ - LQ , 0 ⁇ ⁇ b ⁇ ⁇ Hi ⁇ ⁇ - ⁇
  • valve device 70 is not arranged in the vicinity of the high-pressure pump 38, but in the region of the storage container 16. Furthermore, in the area of
  • High-pressure pump 38 a bypass line 110 is provided, which extends from an area between the pressure damper 40 and the check valve 42 of the low-pressure fuel line 24 to an area between the high-pressure pump 38 and the valve device 70
  • Leakage line 68 leads.
  • a throttle 112 is arranged in the bypass line 110.
  • the bypass line 110 and the throttle 112 are provided for the following reason:
  • valve device 70 as in the present
  • Embodiment is not arranged in the vicinity of the high-pressure pump 38, it can happen during normal operation of the fuel system 10 that the leakage line 68 and the one located therein are caused by heat conduction from the internal combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

L'invention concerne un système d'alimentation en carburant (10) servant à alimenter un moteur à combustion en carburant (18). Ce système comprend un réservoir (16) et une première pompe à carburant (20) reliée au réservoir (16) côté alimentation. Une deuxième pompe à carburant (38) est reliée à la première (20) côté alimentation. En outre, au moins une soupape d'injection (50), reliée à la deuxième pompe à carburant (38), achemine du carburant au moins indirectement vers une chambre de combustion. Une conduite de retour de fuites (68) se trouve entre la deuxième pompe à carburant (38) et le réservoir (16). L'invention vise à assurer un démarrage à chaud du moteur à combustion sans forte sollicitation des composants. A cet effet, la conduite de retour de fuites (68) est dotée d'un dispositif de soupape (70) avec fonction de blocage (72) et fonction de limitation de pression (74) montées en parallèle.
EP02708213A 2001-02-08 2002-02-06 Systeme d'alimentation en carburant, procede pour le faire fonctionner, programme informatique ainsi qu'appareil de commande et/ou de regulation pour le piloter Expired - Lifetime EP1360406B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10106095 2001-02-08
DE10106095A DE10106095A1 (de) 2001-02-08 2001-02-08 Kraftstoffsystem, Verfahren zum Betreiben des Kraftstoffsystems, Computerprogramm sowie Steuer- und/oder Regelgerät zur Steuerung des Kraftstoffsystems
PCT/DE2002/000427 WO2002063158A1 (fr) 2001-02-08 2002-02-06 Systeme d'alimentation en carburant, procede pour le faire fonctionner, programme informatique ainsi qu'appareil de commande et/ou de regulation pour le piloter

Publications (2)

Publication Number Publication Date
EP1360406A1 true EP1360406A1 (fr) 2003-11-12
EP1360406B1 EP1360406B1 (fr) 2004-06-30

Family

ID=7673521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02708213A Expired - Lifetime EP1360406B1 (fr) 2001-02-08 2002-02-06 Systeme d'alimentation en carburant, procede pour le faire fonctionner, programme informatique ainsi qu'appareil de commande et/ou de regulation pour le piloter

Country Status (6)

Country Link
US (1) US6769414B2 (fr)
EP (1) EP1360406B1 (fr)
JP (1) JP2004518071A (fr)
KR (1) KR20020086739A (fr)
DE (2) DE10106095A1 (fr)
WO (1) WO2002063158A1 (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003120457A (ja) * 2001-09-18 2003-04-23 Hyundai Motor Co Ltd 燃料噴射圧力制御システム及びその方法
DE10212870A1 (de) * 2002-03-22 2003-10-02 Volkswagen Ag Kraftstoffversorgungssystem einer Brennkraftmaschine mit Hochdruckeinspritzung
US6718948B2 (en) * 2002-04-01 2004-04-13 Visteon Global Technologies, Inc. Fuel delivery module for petrol direct injection applications including supply line pressure regulator and return line shut-off valve
DE10237592A1 (de) * 2002-08-16 2004-03-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10260775A1 (de) * 2002-12-23 2004-07-01 Daimlerchrysler Ag Kraftstoffversorgungssystem für Verbrennungsmotoren mit Direkteinspritzung
DE10313133B3 (de) * 2003-03-24 2004-09-23 Robert Bosch Gmbh Anordnung zum Überwachen von Betriebsparametern in einem Verbrennungsmotor
DE10315318A1 (de) * 2003-04-04 2004-10-14 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
JP4127188B2 (ja) * 2003-10-30 2008-07-30 トヨタ自動車株式会社 内燃機関の燃料供給装置
DE102004003113A1 (de) 2004-01-21 2005-08-11 Siemens Ag Vorrichtung zum Steuern eines Druckes in einer Kraftstoff-Vorlaufleitung
US7066152B2 (en) * 2004-09-03 2006-06-27 Ford Motor Company Low evaporative emission fuel system depressurization via solenoid valve
WO2006053792A1 (fr) * 2004-11-17 2006-05-26 Siemens Aktiengesellschaft Systeme de pompage
DE102005001577B4 (de) * 2005-01-13 2017-04-06 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE102005033638A1 (de) * 2005-07-19 2007-01-25 Robert Bosch Gmbh Kraftstoff-Fördereinrichtung, insbesondere für eine Brennkraftmaschine
JP2007285235A (ja) * 2006-04-18 2007-11-01 Honda Motor Co Ltd ディーゼルエンジンの燃料供給装置
JP2008057451A (ja) * 2006-08-31 2008-03-13 Hitachi Ltd 高圧燃料供給ポンプ
DE102006053847A1 (de) * 2006-11-14 2008-05-15 Hydraulik-Ring Gmbh Hochdruckkraftstoffsystem mit Volumenkompensation, insbesondere für die Abkühlphase des Hochdrucksystems
US7527043B2 (en) * 2007-07-05 2009-05-05 Caterpillar Inc. Liquid fuel system with anti-drainback valve and engine using same
KR100956025B1 (ko) * 2008-06-26 2010-05-06 한국기계연구원 Ｌｐｌｉ 시스템의 열간시동성 향상을 위한 제어방법
NL2001772C2 (en) * 2008-07-07 2010-01-11 Teleflex Gfi Europ B V Dual fuel injection system and motor vehicle including such injection system.
PL2143916T3 (pl) * 2008-07-07 2012-08-31 Impco Tech B V Dwupaliwowy układ wtryskowy i pojazd silnikowy zawierający taki układ wtryskowy
ATE542994T1 (de) 2008-08-29 2012-02-15 Delphi Tech Holding Sarl Verbessertes brennstoffdruckregulationssystem und verbesserter brennstoffdruckregulator zur verwendung darin
JP4736142B2 (ja) * 2009-02-18 2011-07-27 株式会社デンソー 高圧ポンプ
DE102010002801A1 (de) * 2010-03-12 2011-09-15 Robert Bosch Gmbh Kraftstoffeinspritzsystem einer Brennkraftmaschine
SE534969C2 (sv) * 2010-05-25 2012-03-06 Ec1 Invent Ab Värmeväxlingsmedium innefattande en syntetisk diesel
US9541045B2 (en) * 2010-07-14 2017-01-10 Volvo Lastvagnar Ab Fuel injection system with pressure-controlled bleed function
EP2655856B1 (fr) * 2010-12-22 2019-10-02 Volvo Lastvagnar AB Système d'injection de carburant comprenant une pompe haute pression d'injection de carburant
US9316187B2 (en) 2011-01-18 2016-04-19 Carter Fuel Systems, Llc Diesel fuel system with advanced priming
US20120279484A1 (en) * 2011-01-28 2012-11-08 Jack Lange Fuel Oil Supply System from a Remote Source Including Recirculated Heating of Fuel Oil and Supplemented Supply Pressure
NL2006992C2 (en) 2011-06-24 2013-01-02 Indopar B V Method of switching from a liquefied gas fuel to a liquid fuel being provided to a direct injection combustion engine, and direct injection bi-fuel system for such an engine.
JP5678838B2 (ja) * 2011-08-10 2015-03-04 トヨタ自動車株式会社 燃料圧送装置および燃料供給システム
JP2013068161A (ja) * 2011-09-22 2013-04-18 Yamaha Motor Co Ltd 自動二輪車
WO2013067226A1 (fr) * 2011-11-01 2013-05-10 Pc/Rc Products, L.L.C. Réservoir de carburant de corps de papillon
CN102425516B (zh) * 2011-11-03 2014-04-16 北京理工大学 多阀喷油系统以及喷油方法
US20130312706A1 (en) * 2012-05-23 2013-11-28 Christopher J. Salvador Fuel system having flow-disruption reducer
KR101338805B1 (ko) * 2012-06-14 2013-12-06 현대자동차주식회사 압력 맥동 저감이 가능한 ｇｄｉ 엔진의 연료공급장치
SE540028C2 (sv) * 2014-07-08 2018-02-27 Scania Cv Ab Bränslesystem för förbränningsmotor, förbränningsmotor med ett sådant bränslesystem, fordon med ett sådant bränslesystemoch ett förfarande för att dämpa tryckfluktuationer hos en bränslefilteranordning i ett bränslesystem
DE102014014475A1 (de) * 2014-09-27 2016-03-31 Man Diesel & Turbo Se Kraftstoffpumpe
DE102014220742B4 (de) * 2014-10-14 2021-03-18 Vitesco Technologies GmbH Verfahren zum Betreiben eines Kraftstoffversorgungssystems für eine Brennkraftmaschine
JP6387812B2 (ja) * 2014-12-05 2018-09-12 株式会社デンソー 高圧ポンプ、及び、それを用いる燃料供給システム
DE102016200232A1 (de) * 2016-01-12 2017-07-13 Continental Automotive Gmbh Kraftstoffeinspritzsystem
GB2546809B (en) * 2016-02-01 2018-05-09 Rolls Royce Plc Low cobalt hard facing alloy
GB2546808B (en) * 2016-02-01 2018-09-12 Rolls Royce Plc Low cobalt hard facing alloy
DE102016123055A1 (de) * 2016-11-30 2018-05-30 Man Diesel & Turbo Se Kraftstoffversorgungsanlage und Kraftverteilerblock
GB2560975A (en) * 2017-03-31 2018-10-03 Delphi Int Operations Luxembourg Sarl High pressure fuel pump
BR102020024417A2 (pt) * 2020-11-30 2022-06-07 Robert Bosch Limitada Sistema e método de gerenciamento de temperatura de combustível injetado em motores de combustão interna a partir de uma mistura de um fluxo de ar e combustível aplicável a um veículo

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558068A (en) 1994-05-31 1996-09-24 Zexel Corporation Solenoid valve unit for fuel injection apparatus
WO1997032122A1 (fr) * 1996-02-29 1997-09-04 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Dispositif d'alimentation en carburant pour moteurs a combustion interne
DE19612412B4 (de) * 1996-03-28 2006-07-06 Siemens Ag Regelung für ein Druckfluid-Versorgungssystem, insbesondere für den Hochdruck in einem Kraftstoff-Einspritzsystem
DE19648690A1 (de) * 1996-11-25 1998-05-28 Bosch Gmbh Robert Kraftstoffeinspritzsystem
DE19753155A1 (de) * 1997-11-29 1999-06-02 Mannesmann Rexroth Ag Kraftstoffversorgungssystem für eine Brennkraftmaschine und darin verwendete Hochdruckpumpe
DE19818421B4 (de) * 1998-04-24 2017-04-06 Robert Bosch Gmbh Kraftstoffversorgungsanlage einer Brennkraftmaschine
JP2001055961A (ja) * 1999-08-11 2001-02-27 Mitsubishi Electric Corp 高圧燃料供給装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02063158A1 *

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WO2002063158A1 (fr) 2002-08-15
US6769414B2 (en) 2004-08-03
DE10106095A1 (de) 2002-08-29
DE50200579D1 (de) 2004-08-05
EP1360406B1 (fr) 2004-06-30
US20030154959A1 (en) 2003-08-21
JP2004518071A (ja) 2004-06-17
KR20020086739A (ko) 2002-11-18

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