EP1831538B1 - Systeme d'injection de carburant pour moteur a combustion interne - Google Patents

Systeme d'injection de carburant pour moteur a combustion interne Download PDF

Info

Publication number
EP1831538B1
EP1831538B1 EP05816027A EP05816027A EP1831538B1 EP 1831538 B1 EP1831538 B1 EP 1831538B1 EP 05816027 A EP05816027 A EP 05816027A EP 05816027 A EP05816027 A EP 05816027A EP 1831538 B1 EP1831538 B1 EP 1831538B1
Authority
EP
European Patent Office
Prior art keywords
fuel injection
injection device
component
control valve
control
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.)
Not-in-force
Application number
EP05816027A
Other languages
German (de)
English (en)
Other versions
EP1831538A1 (fr
Inventor
Francois Rossignol
Olivier Charvet
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 EP1831538A1 publication Critical patent/EP1831538A1/fr
Application granted granted Critical
Publication of EP1831538B1 publication Critical patent/EP1831538B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F02M57/00Fuel-injectors combined or associated with other devices
    • F02M57/02Injectors structurally combined with fuel-injection pumps
    • F02M57/022Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • 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
    • F02M45/00Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • 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
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M51/00Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • 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
    • 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
    • F02M63/0012Valves
    • F02M63/0014Valves characterised by the valve actuating means
    • F02M63/0015Valves characterised by the valve actuating means electrical, e.g. using solenoid

Definitions

  • the invention relates to a fuel injection device for an internal combustion engine according to the preamble of claim 1.
  • Such a fuel injection device is characterized by the DE 101 23 994 A1 -known.
  • This fuel injection device has two electrically operated control valves for controlling the fuel injection.
  • the two control valves are each connected via electrical lines to an electrical control device.
  • the electrical contacting of the two control valves is expensive, usually here for each control valve, a separate connection must be present, with each of which a connection element, such as a plug-in element, must be assembled.
  • the required space for the fuel injection device is increased, with enough free space must be provided in the vicinity of the fuel injection device to the internal combustion engine in order to attach or solve the plug-in elements.
  • connection device for fuel injectors is made US 2004/0124252 A known.
  • the fuel injection device with the features according to claim 1 has the advantage that the electrical connections of the two control valves are arranged on a single component, so that only at one point of the fuel injection sufficient space for attaching or detaching one or more connection elements is required.
  • By integrating the at least one connecting line to the second control valve in the component also no routing of electrical lines within the fuel injector is required.
  • the device is used for the construction of the first control valve, so that this no or only a few other components are required.
  • the embodiment according to claim 6 and 7 allows a balance of tolerances and thermal expansions and thus a permanent secure contacting of the second control valve.
  • the embodiment of claim 8 allows easy contacting of the second control valve.
  • FIG. 1 shows a schematic representation of a fuel injection device for an internal combustion engine in a longitudinal section with two control valves
  • Figure 2 is a designated II in Figure 1 section of the fuel injector in an enlarged view
  • Figure 3 shows the fuel injector in sections in a view according to arrow III in Figure 1
  • Figure 4 shows a component of the fuel injection device enlarged in a perspective view
  • Figure 5 shows the device in a further perspective view.
  • FIG. 1 schematically shows a fuel injection device for an internal combustion engine, for example of a motor vehicle.
  • the internal combustion engine is preferably a self-igniting internal combustion engine and has one or more cylinders.
  • the fuel injection device may be formed, for example, as shown in Figure 1 as a pump-nozzle unit, each having a high-pressure fuel pump 10 and a fuel injection valve 12 for each cylinder of the internal combustion engine, which form a common structural unit.
  • two electrically operated control valves 56,60 are arranged for controlling the fuel injection.
  • the fuel injector may also be designed differently, for example as a pump-line-nozzle unit, in which also for each cylinder of the internal combustion engine each have a high-pressure fuel pump and a fuel injection valve are present, however, are arranged separately from each other and are connected to each other via a hydraulic line. At the fuel injection valve of the pump-line-nozzle unit are the two control valves arranged to control the fuel injection.
  • the high-pressure fuel pump 10 has a tightly guided in a cylinder bore 16 of a pump body 18 pump piston 20 which limits a pump working chamber 22 in the cylinder bore 16.
  • the pump piston 20 is driven by a cam 24 of a camshaft of the internal combustion engine at least indirectly, for example via a rocker arm against the force of a return spring 26 in a reciprocating motion.
  • the pump working chamber 22 is supplied with fuel from a fuel reservoir 28, for example by means of a feed pump 29 during the suction stroke of the pump piston 20.
  • the fuel injection valve 12 has a connected to the pump body 18 valve body 30 which may be formed in several parts, and in which in a bore 32, an injection valve member 34 is longitudinally displaceably guided. Between the valve body 30 and the pump body 18, an intermediate body 36 may be arranged.
  • the valve body 30 has at its end facing the combustion chamber of the cylinder of the internal combustion engine at least one, preferably a plurality of injection openings 38.
  • the injection valve member 34 has, at its end region facing the combustion chamber, an approximately conical sealing surface 40, for example, which cooperates with a valve seat 41 formed in the valve body 30 in its end region facing the combustion chamber, from or after which the injection openings 32 are discharged.
  • annular space 42 is provided between the injection valve member 34 and the bore 32 toward the valve seat 41 present, which in its valve seat 41 facing away from the end region by a radial extension of the bore 32 into a the injection valve member 34 surrounding the pressure chamber 44 passes.
  • the injection valve member 34 has at the level of the pressure chamber 44 by a change in cross section on a valve seat 41 directed towards the pressure shoulder 46.
  • a prestressed closing spring 48 At the end remote from the combustion chamber of the injection valve member 34 engages a prestressed closing spring 48, through which the injection valve member 34 is pressed to the valve seat 41.
  • the closing spring 48 is arranged in a spring chamber 49 in the valve body 30 or in the intermediate body 36, which adjoins the bore 32.
  • a bore 50 with a smaller diameter connects.
  • a control piston 51 is guided tightly, which limits a control pressure chamber 52 in the bore 50.
  • the control piston 51 is supported on the injection valve member 34, but may also be formed integrally with the injection valve member 34, and generates depending on the pressure prevailing in the control pressure chamber 52 a closing spring 48 assisting force in the closing direction of the injection valve member 34.
  • From the pump working chamber 22 passes through the Pump body 18, the intermediate body 36 and the valve body 30, a channel 54 in the pressure chamber 44 of the fuel injection valve 12. From the channel 54 performs a connection 55 to the feed pump 29 and the fuel tank 28 from.
  • the connection 55 is controlled by a first electrically operated control valve 56, which is designed as a 2/2-way valve.
  • the control valve 56 may be formed as a solenoid valve with an electromagnetic actuator and is controlled by an electronic control device 57 and will be explained in more detail below.
  • the connection 59 of the control pressure chamber 52 with the discharge region is controlled by a second electrically actuated control valve 60, which is likewise controlled by the control device 57.
  • the second control valve 60 may also be formed as a solenoid valve with an electromagnetic actuator.
  • first control valve 56 and / or the second control valve 60 may also have a piezoelectric actuator.
  • first control valve 56 the pressure build-up in the pump working chamber 22 of the high-pressure fuel pump 10 is controlled and by the second control valve 60, the pressure in the control pressure chamber 52 and thereby independent of the pressure buildup in the pump chamber 22, the opening movement of the injection valve member 34 of the fuel injection valve 12 is controlled. If the pressure prevailing in the control pressure chamber 54 with the second control valve 60 closed and the closing spring 48 in the closing direction produces a greater force on the injection valve member 34 than the force generated in the opening direction by the pressure prevailing in the pressure chamber 44 via the pressure shoulder 46, then the injection valve member remains 34 in its closed position or is moved to its closed position.
  • the injection valve member 34 moves in the opening direction 35 and are the injection openings 38th free.
  • the first control valve 56 has a control valve member 62 through which, in cooperation with a valve seat 63, the connection 55 of the pump working chamber 22 is opened with the relief region in a first position and closed in a second position.
  • the Control valve member 62 is displaceable by the actuator 64 against the force of a return spring 65 between its two positions.
  • the control valve member 62 is for example arranged such that it is guided transversely, preferably perpendicular to the direction of movement of the injection valve member 34 in a bore 19 in the pump body 18 slidably.
  • the actuator 64 designed as an electromagnet is arranged on the outer circumference of the pump body 18.
  • the actuator 64 has a magnetic coil 66, a magnetic pot 67 and a magnet armature 68, the magnet armature 68 acting on the control valve member 62.
  • the second control valve 60 has a control valve member 72 through which, in cooperation with a valve seat 73, the connection 59 of the control pressure chamber 54 is opened with the relief region in a first position and closed in a second position.
  • the control valve member 72 is displaceable by the actuator 74 against the force of a return spring 75 between its two positions.
  • the control valve member 72 is arranged, for example, such that it is displaceable approximately parallel to the direction of movement of the injection valve member 34.
  • the actuator 74 designed as an electromagnet is arranged in the intermediate body 36 or in the valve body 30 and has a magnet coil 76, a magnet pot 77 and a magnet armature 78, the magnet armature 78 acting on the control valve member 72.
  • At least one electrical connection 79 is provided on the second control valve 60, which is designed, for example, as part of a plug connection.
  • two electrical connections 79 are provided which are designed as plug-in pins.
  • the plug pins 79 are arranged, for example, approximately parallel to the direction of movement of the control valve member 72.
  • a transversely, preferably at least approximately perpendicular to the direction of movement of the injection valve member 34 extending, at its one end on the outer circumference of the pump body 18 emptying channel 80 is provided, which is formed by a bore in the pump body 18.
  • the channel 80 close to its closed, arranged within the pump body 18 end two holes 81.
  • the holes 81 extend at least approximately at right angles to the channel 80 and these open at the intermediate body 36 facing the end face of the pump body 18th
  • a component 82 which can be fastened to the pump body 18 in the region of the actuator 64 of the first control valve 56 is provided, on which electrical connections 83 for the first control valve 56 and electrical connections 84 for the second control valve 60 are arranged.
  • the electrical connections 83, 84 are preferably designed as plug-in pins with which corresponding plug-in sleeves can be brought together, which are arranged in one or separate plugs, which in turn are arranged on electrical lines leading to the control device 57.
  • the component 82 at least one of the terminals 84 to the second control valve 60 leading electrical connection line 85 is integrated.
  • the component 82 has a pump body 18 attached to the central region 86 and a protruding from this finger 87, which projects into the channel 80 and in which the connecting lines 85 extend.
  • the connecting lines 85 are formed for example as strip conductors or contact paths.
  • the device 82 is preferably made Plastic and is made by injection molding, wherein the connecting lines 85 are encapsulated with the plastic material.
  • the finger 87 of the component 82 is preferably designed to be elastically deformable at least in part of its longitudinal extent. An elastic deformability of the finger 87 can be achieved, for example, by a spring-cage-like section 88.
  • the finger 87 is elastically deformable both in the longitudinal direction and in the transverse direction.
  • the projecting into the channel 80 end portion of the finger 87 is cylindrical and in this end region electrical connection elements 89 are arranged, which are open to the outer surface of the finger 87 back and are preferably designed as plug-in sleeves.
  • the finger 87 of the device 82 can be inserted into the channel until it abuts a defined stop, wherein in the end position of the finger 87, the sockets 89 are aligned with the holes 81.
  • the plug pins 79 of the second control valve 60 pass through the holes 81 and into the sockets 89 of the finger 87 of the device 82, so that the actuator of the second control valve 60 is electrically contacted with the connecting lines 85.
  • the plug pins 79 of the second control valve 60 and / or the plug sockets 89 of the component 82 can also be made for the plug pins 79 of the second control valve 60 and / or the plug sockets 89 of the component 82 to be elastically deformable, in order to enable a compensation of manufacturing tolerances and / or thermal expansions.
  • the central region 86 of the component 82 can be fastened to the pump body 18, for example, by means of one or more screws 90.
  • a plug housing 91 is integral formed in which the pins 83,84 are arranged and with the one or more connectors with the leading to the control device 27 electrical lines are joined together.
  • at least one component of the first control valve 56 is arranged at the central region 86 of the component 82.
  • the magnet pot 67 and / or the magnet coil 66 is preferably arranged.
  • the component 82 not only the common electrical contacting of the two control valves 56,60 is possible, but also partially the first control valve 56 is formed, so that only a few other individual components, essentially only the armature 68, are required for this.
  • the magnet pot 67 and / or the magnet coil 66 can be integrated into the component 82 in an injection molding apparatus in the manufacture of the component 82 or can be connected to the component 82 after the component 82 has been manufactured, for example by press-fitting or otherwise.
  • the magnet coil 66 is connected to the plug connections 83 via connecting elements extending inside the component 82.
  • the device 82 When mounting the device 82 on the pump housing 18 arranged on this solenoid 66 and / or the magnet pot 67 are inserted into a corresponding receptacle on the pump housing 18, which is formed for example as a bore 92.
  • the finger 87 of the device 82 is inserted into the channel 80, wherein the bore 92 and the channel 80 extend at least approximately parallel to each other.
  • the holes 81 are aligned with the sockets 89 in the finger 87.
  • the elastically deformable portion 88 of the finger 87 By the elastically deformable portion 88 of the finger 87 a compensation of manufacturing tolerances is possible, also also a Compensation of different thermal expansions.
  • the channel 80 is sealed, wherein in addition between the finger 87 and the channel 80 at least one elastic sealing ring 93 may be provided.

Claims (10)

  1. Installation d'injection de carburant pour un moteur à combustion interne ayant au moins deux électrovannes de commande (56, 60) pour commander l'injection de carburant,
    les vannes de commande (56, 60) étant reliées respectivement par des lignes électriques à une installation de commande électrique (27) et
    l'installation d'injection de carburant comporte des éléments de branchement (83, 84) pour brancher les lignes électriques,
    caractérisée par
    un composant (82) pour la première des vannes de commande (56), portant les éléments de branchement (83, 84) de toutes les vannes de commande (56, 60), et ce composant est fixé à une partie de boîtier (18) de l'installation d'injection de carburant et
    le composant (82) intègre au moins une ligne de liaison électrique (85) entre les éléments de branchement (84) et la seconde vanne de commande (60) à l'intérieur d'une partie de boîtier (36) de l'installation d'injection de carburant.
  2. Installation d'injection de carburant selon la revendication 1,
    caractérisée en ce que
    la première vanne de commande (56) est dans une première partie de boîtier (18) de l'installation d'injection de carburant à laquelle est fixé le composant (82),
    la seconde vanne de commande (60) est dans une seconde partie de boîtier (36) de l'installation d'injection de carburant et
    lors de l'assemblage des deux parties de boîtier (18, 36), la ligne de liaison (85) intégrée dans le composant (82) vient en contact entre la seconde vanne de commande (60).
  3. Installation d'injection de carburant selon la revendication 2,
    caractérisée en ce que
    la première partie de boîtier (18) comporte un canal (80) débouchant sur le côté extérieur,
    le composant (82) comporte un doigt (87) dans lequel passe au moins une ligne de liaison (85) et qui s'introduit dans le canal (80) et
    le contact d'au moins une ligne de liaison (85) avec la seconde vanne de commande (60) se fait transversalement à l'extension longitudinale du canal (80).
  4. Installation d'injection de carburant selon l'une des revendications 1 à 3,
    caractérisée en ce que
    le composant (82) comporte au moins une partie (66, 67) d'un actionneur électrique (64) de la première vanne de commande (56).
  5. Installation d'injection de carburant selon la revendication 4,
    caractérisée en ce que
    le composant (82) comporte une bobine électromagnétique (66) et/ou une tête magnétique (67) d'un actionneur électromagnétique (64) de la première vanne de commande (56).
  6. Installation d'injection de carburant selon l'une des revendications 1 à 5,
    caractérisée en ce que
    le composant (82) est déformable élastiquement au moins dans la zone d'une ligne de liaison (85) au moins dans un premier segment (88).
  7. Installation d'injection de carburant selon la revendication 6,
    caractérisée en ce que
    le composant (82) est déformable élastiquement dans le segment (88), dans la direction longitudinale d'au moins une ligne de liaison (85) et transversalement à la direction longitudinale.
  8. Installation d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    le contact d'au moins une ligne de liaison (85) avec la seconde vanne de commande (60) se fait à l'aide d'une connexion, les parties (79) de la connexion étant prévues sur la seconde vanne de commande (60) et l'autre partie (89) de la connexion étant prévue sur le composant (82).
  9. Installation d'injection de carburant selon la revendication 8,
    caractérisée en ce que
    les parties (79) prévues sur la seconde vanne de commande (60) et/ou les parties (89) prévues sur le composant (82) de la connexion sont déformables élastiquement.
  10. Installation d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce qu'
    elle comporte une pompe à haute pression de carburant (10) et un injecteur de carburant (12) relié à celle-ci pour un cylindre du moteur à combustion interne,
    la pompe à haute pression de carburant (10) ayant un piston de pompe (20) entraîné dans son mouvement de translation par le moteur à combustion interne, ce piston délimitant une chambre active de pompe (22), l'une des vannes de commande (56) commandant la liaison (55) de la chambre de travail de pompe (22) avec une zone de décharge,
    l'injecteur de carburant (12) comporte au moins un organe d'injection (34) qui commande au moins un orifice d'injection (38),
    l'organe d'injection (34) est sollicité au moins indirectement par la pression régnant dans la chambre de commande de pression (52), dans le sens de la fermeture et
    la pression régnant dans la chambre de commande de pression (52) est commandée par une autre vanne de commande (60).
EP05816027A 2004-12-22 2005-11-22 Systeme d'injection de carburant pour moteur a combustion interne Not-in-force EP1831538B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004061799A DE102004061799A1 (de) 2004-12-22 2004-12-22 Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
PCT/EP2005/056149 WO2006067016A1 (fr) 2004-12-22 2005-11-22 Systeme d'injection de carburant pour moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1831538A1 EP1831538A1 (fr) 2007-09-12
EP1831538B1 true EP1831538B1 (fr) 2008-01-23

Family

ID=35912841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05816027A Not-in-force EP1831538B1 (fr) 2004-12-22 2005-11-22 Systeme d'injection de carburant pour moteur a combustion interne

Country Status (6)

Country Link
US (1) US7644700B2 (fr)
EP (1) EP1831538B1 (fr)
CN (1) CN101084371B (fr)
AT (1) ATE384868T1 (fr)
DE (2) DE102004061799A1 (fr)
WO (1) WO2006067016A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016116981A1 (de) * 2016-09-09 2018-03-15 Kendrion (Villingen) Gmbh Elektromagnetische Verstellvorrichtung, insbesondere zur Nockenwellenverstellung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5009390A (en) * 1990-03-01 1991-04-23 Coltec Industries Inc. Electromagnet and reed-type valve assembly
US6102303A (en) 1996-03-29 2000-08-15 Siemens Automotive Corporation Fuel injector with internal heater
US6109543A (en) * 1996-03-29 2000-08-29 Siemens Automotive Corporation Method of preheating fuel with an internal heater
US5676114A (en) * 1996-07-25 1997-10-14 Cummins Engine Company, Inc. Needle controlled fuel system with cyclic pressure generation
US5819704A (en) 1996-07-25 1998-10-13 Cummins Engine Company, Inc. Needle controlled fuel system with cyclic pressure generation
GB2332476B (en) * 1997-12-19 2002-01-16 Caterpillar Inc Fuel injector with solenoid and terminal assemblies
WO1999066196A1 (fr) * 1998-06-18 1999-12-23 Robert Bosch Gmbh Injecteur de carburant
DE10060811A1 (de) * 2000-12-07 2002-06-13 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen
US6543707B2 (en) * 2000-12-29 2003-04-08 Siemens Automotive Corporation Modular fuel injector having a lift set sleeve
DE10123994A1 (de) 2001-05-17 2002-11-21 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10162651A1 (de) * 2001-12-20 2003-09-04 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
US6981662B2 (en) * 2002-11-08 2006-01-03 Siemens Diesel Systems Technology Coupling device assembly
DE112005001749B4 (de) * 2004-08-05 2020-03-26 Continental Automotive Systems, Inc. ( n. d. Ges. d. Staates Delaware ) Deep-Pocket-Sitzbaugruppe in einem modularen Kraftstofffeinspritzventil mit Anschlussklemmen mit axialem Kontakt und Verfahren
DE102004047041B4 (de) * 2004-09-28 2017-06-14 Robert Bosch Gmbh Brennstoffeinspritzventil
JP2006161764A (ja) * 2004-12-10 2006-06-22 Keihin Corp 燃料分配管におけるワイヤハーネス取付け構造

Also Published As

Publication number Publication date
US20090229577A1 (en) 2009-09-17
DE502005002705D1 (de) 2008-03-13
WO2006067016A1 (fr) 2006-06-29
DE102004061799A1 (de) 2006-07-06
CN101084371B (zh) 2011-01-26
US7644700B2 (en) 2010-01-12
EP1831538A1 (fr) 2007-09-12
CN101084371A (zh) 2007-12-05
ATE384868T1 (de) 2008-02-15

Similar Documents

Publication Publication Date Title
EP1864014B1 (fr) Dispositif d'injection de carburant pour un moteur thermique a plusieurs cylindres
EP0741244A2 (fr) Injecteur
DE102009000183A1 (de) Brennstoffeinspritzventil
DE4341545A1 (de) Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
WO2008025597A1 (fr) Dispositif d'injection de carburant pour un moteur à combustion interne à plusieurs cylindres
EP2884091B1 (fr) Soupape d'injection de combustible
EP1831538B1 (fr) Systeme d'injection de carburant pour moteur a combustion interne
DE10205185A1 (de) Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE19541819A1 (de) Einspritzdüse
EP1592880B1 (fr) Dispositif d'injection de carburant pour moteur a combustion interne
DE10155973A1 (de) Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
WO2001090567A1 (fr) Dispositif de retour de carburant
EP1260702A2 (fr) Système d'injection de carburant d'un moteur à combustion interne
DE10160258A1 (de) Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE19942990A1 (de) Common-Rail-Injektor
EP1236885B1 (fr) Dispositif d'injection de carburant pour un moteur à combustion interne
EP1606510B1 (fr) Electro-aimant pour electrovanne
DE102021213785A1 (de) Brennstoffeinspritzventil und Verfahren zu dessen Herstellung
DE102007008146A1 (de) Injektor mit Zusatzkörper
DE102009045140B4 (de) Kompakte Einspritzvorrichtung mit reduzierter Bauteileanzahl
DE19963390A1 (de) Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
EP1546542B1 (fr) Soupape d'injection pour l'injection de carburant dans un moteur a combustion interne
DE10155674A1 (de) Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE102009046314A1 (de) Piezoelektrischer Aktor
DE10160256A1 (de) Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070723

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 502005002705

Country of ref document: DE

Date of ref document: 20080313

Kind code of ref document: P

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

Effective date: 20080428

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080504

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080523

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

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080423

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

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080623

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080423

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

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

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

26N No opposition filed

Effective date: 20081024

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

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

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

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

BERE Be: lapsed

Owner name: ROBERT BOSCH G.M.B.H.

Effective date: 20081130

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

Ref country code: MC

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

Effective date: 20081130

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

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

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

Ref country code: BE

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

Effective date: 20081130

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

Ref country code: AT

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

Effective date: 20081122

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080724

Ref country code: LU

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

Effective date: 20081122

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

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080123

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

Ref country code: LI

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

Effective date: 20091130

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080424

Ref country code: CH

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

Effective date: 20091130

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

Ref country code: GB

Payment date: 20101123

Year of fee payment: 6

Ref country code: IT

Payment date: 20101126

Year of fee payment: 6

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

Ref country code: FR

Payment date: 20111125

Year of fee payment: 7

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

Effective date: 20121122

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20130731

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

Ref country code: IT

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

Effective date: 20121122

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

Ref country code: FR

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

Effective date: 20121130

Ref country code: GB

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

Effective date: 20121122

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

Ref country code: DE

Payment date: 20140124

Year of fee payment: 9

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502005002705

Country of ref document: DE

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

Ref country code: DE

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

Effective date: 20150602