[go: up one dir, main page]

EP0813651B1 - Systeme d'injection de carburant - Google Patents

Systeme d'injection de carburant Download PDF

Info

Publication number
EP0813651B1
EP0813651B1 EP96945492A EP96945492A EP0813651B1 EP 0813651 B1 EP0813651 B1 EP 0813651B1 EP 96945492 A EP96945492 A EP 96945492A EP 96945492 A EP96945492 A EP 96945492A EP 0813651 B1 EP0813651 B1 EP 0813651B1
Authority
EP
European Patent Office
Prior art keywords
fuel injection
fuel
injection system
plastic
intake pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96945492A
Other languages
German (de)
English (en)
Other versions
EP0813651A1 (fr
Inventor
Udo Hafner
Eckhard Bodenhausen
Thomas Gregorius
Thomas NÄGER
Thomas Raff
Albert Staacke
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 EP0813651A1 publication Critical patent/EP0813651A1/fr
Application granted granted Critical
Publication of EP0813651B1 publication Critical patent/EP0813651B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10072—Intake runners
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10347—Moulding, casting or the like
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/505—Adjusting spring tension by sliding spring seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

Definitions

  • the invention is based on a fuel injection system according to the genus of the main claim.
  • a fuel injection system is already known that a cylinder head of an internal combustion engine is mountable.
  • This fuel injection system includes several Intake lines that isolate into structure-borne noise elastic connecting pipe element open, which in turn with a flange is formed on the cylinder head side, with the a fixed connection to the cylinder head is realized.
  • the elastic connecting pipe element which is preferably made of is made of an elastomeric plastic partially on the suction lines and also has one sleeve-shaped receptacle for a fuel injector.
  • the receptacle is in one piece with the connecting tube element executed and surrounds the fuel injector in the installed condition over almost its entire Extension length. So the fuel injection system is formed in several parts, the complete Fuel injector is mounted in the receptacle that thus a holding device for the Fuel injector represents. The recording is included designed so that the outer contour of the Fuel injector is largely true to form.
  • EP-OS 0 501 612 is already a Fuel injection system known, the multi-part Has suction pipes that have flanges at their ends, with which they are interconnected.
  • the intake pipes are made of either aluminum or plastic and have next to their actual flow passages Receiving areas for fuel injectors.
  • This Recording areas each surround one Fuel injector largely with radial clearance, there z.
  • B. the fuel supply via the receiving areas to the so-called side feed injectors trained fuel injectors.
  • the Fuel injectors only become complete installed in these receiving areas.
  • a seal of the fuel injector in the Receiving areas must have at least two sealing rings respectively.
  • WO 92/02727 A is already a Fuel injection system for an internal combustion engine known that at least one intake pipe and at least one Includes fuel injector.
  • the Fuel injector is known with all Valve components equipped and at least partially by surrounded by a plastic encapsulation. Always done mounted fuel injector is in a to the Intake pipes provided valve seat used.
  • the Valve receptacles are also integral to one Plastic component comprising intake pipes.
  • the Fuel injector is therefore an overall component can be assembled and disassembled in a valve seat.
  • Embodiments of the invention are in the drawing shown in simplified form and in the following Description explained in more detail. It shows figure linen partial section through an inventive Fuel injection system, Figure 2 a Fuel injection system with single connector Fuel injectors and Figure 3 a Fuel injection system with a central plug.
  • FIG. 1 shows a partial section through Fuel injection system, among other things, at least one Fuel injector 1 comprises, which Fuel injection system especially as part of one Fuel injection system from mixture-compressing, spark ignition internal combustion engines is used.
  • In 1 is only one fuel injector on average 1 in connection with a single suction pipe Intake pipe 3 shown, the one not shown Combustion chamber of the internal combustion engine leads.
  • fuel injection system is usually for one MPI (multi-point injection) may be provided, in which, for. B. each combustion chamber of the internal combustion engine Fuel injector 1 is assigned.
  • a Internal combustion engine with four combustion chambers (4-cylinder engine) so run z. B. in the fuel injection system four Intake pipes 3 in the direction of the combustion chambers, one each Fuel injection valve 1 opens into an intake pipe 3.
  • Fuel injectors 1 for use in the Fuel injection system according to the invention are for Example so-called top feed injectors suitable at which the fuel supply through the intake manifold opposite end occurs.
  • top feed injectors suitable at which the fuel supply through the intake manifold opposite end occurs.
  • DE-OS 43 25 842 is already known, with differences of course in Area of plastic extrusion through the design of the fuel injection system according to the invention.
  • Other types of already known injection valves can also be used in the fuel injection system.
  • the fuel injector 1 is actuated in known manner z. B. electromagnetic.
  • the Fuel injector 1 therefore has one electromagnetic circuit with a Solenoid 5, one as a fuel inlet connector and Inner pole serving core 6 and an armature 7. Downstream the solenoid 5 extends a valve seat support 8, the partially the housing of the fuel injector 1 forms.
  • a Valve needle 9 arranged at its upstream end with the armature 7 and at its downstream end with a Valve closing body 10 is firmly connected.
  • the electromagnetic circuit is used for the injection valve.
  • a Valve seat body 12 tightly mounted, of a fixed Has valve seat, with which in turn Valve closing body 10 cooperates.
  • the fuel to be sprayed is, for example, via a pot-shaped spray plate 14 metered with the fixed is connected to the valve seat body 12 and at least one, for example four formed by eroding or stamping Has spray openings.
  • On the immediately downstream End of the valve seat carrier 8 is, for. B. a protective cap 15 arranged.
  • the magnet coil 5 is of at least one, z. B. trained as a bracket and as a ferromagnetic Element serving guide element 16 surrounding the Magnetic coil 5 at least partially surrounds in the circumferential direction and with its two ends on the core 6 and Valve seat support 8 abuts and firmly connected to them is.
  • a fuel filter 19 for filtering out Fuel constituents causing constipation and a Adjustment sleeve 20 for adjusting the spring preload Return spring 11 is provided.
  • the fuel injector 1 is not as before known with a plastic encapsulation as one in one Inclusion of a fuel injection system that can be installed Component in front, but is directly in the Fuel injection system integrated according to the invention.
  • a plastic casing 25 in one piece with the intake pipes 3 as a compact Fuel injection system is designed and therefore also in a plastic injection molding process is produced.
  • this Plastic jacket 25 also belongs to, for example each fuel injector 1 is provided co-molded electrical connector 26.
  • a fuel distributor 28 is also directly in the Fuel injection system provided, which is ultimately direct from the plastic jacket 25 of Fuel injector 1 is formed.
  • a fuel distributor 28 is also directly in the Fuel injection system provided, which is ultimately direct from the plastic jacket 25 of Fuel injector 1 is formed.
  • At the Injection molding is immediate in the injection mold above the inlet end of the Fuel injector 1 a across the Longitudinal valve axes 29 of fuel injection valves 1 extending injection molding core provided by the after Remove a fuel supply channel 30 for the Fuel injection valves 1 in the plastic casing 25 is formed.
  • Fuel supply channel 30 has, for example circular cross-section, the wall of the Fuel supply channel 30 plastic with a largely constant wall thickness is present.
  • the plastic jacket 25 with different Wall thicknesses should be formed depending on the Installation requirements.
  • the insertion depth determines this of the valve seat body 12 in the valve seat support 8 the size of the Strokes of the valve needle 9.
  • An end position of the valve needle 9 is when the solenoid 5 is not excited by the system of Valve closing body 10 on the valve seat of the valve seat body 12 set; the other end position of the valve needle 9 results when the solenoid 5 is excited by the system of Anchor 7 on the core 6.
  • the spring tension on the Valve needle 9 supporting return spring 11 is how already mentioned, adjusted by the adjusting sleeve 20.
  • the Sealing the solenoid 5 against that Fuel supply channel 30 takes place, for. B. over several Perimeter of core 6 near fuel rail 28 provided annular circumferential ribs 32, the one form so-called labyrinth seals. On the other hand, could also an ordinary one arranged on the circumference of the core 6 Be molded around.
  • the downstream area is 24 of fuel injector 1 exposed, d. H. there is no valve seat support 8 there Plastic. Rather, this area 24 projects into one Side mouth 33 of the intake pipe 3, for example one has circular cross section.
  • the Fuel injector 1 is z. B. aligned so that the fuel to be sprayed off essentially directly an intake valve, not shown, in the cylinder head Internal combustion engine aims. It is also conceivable that Fuel injector 1 extended and it thus allowing the side mouth 33 to protrude completely, the spray end of the fuel injector 1 to reaches into the intake pipe 3, as the dashed lines to hint.
  • FIGs 2 and 3 schematically show exemplary embodiments of the fuel injection system as a compact component Attachment to the cylinder head of the internal combustion engine.
  • the Intake pipes 3 end on a mounting flange 37, the z. B. has several openings 38 in the Fasteners for connecting the Fuel injection system insertable with the cylinder head are.
  • the individual fuel injection valves 1 are at the embodiment shown in Figure 2 separately contacted each other, d. H. each Fuel injector 1 has its own Connector 26, the z. B. the one in FIG can have the shape shown.
  • the intake pipes 3 run as so-called swing pipes at least in the described Fuel injection system separately and together form one Intake manifold.
  • the fuel rail 28 extends with its inner fuel supply channel 30 along of all fuel injectors 1, so that a simultaneous fuel supply for everyone Fuel injection valves 1 is possible.
  • the fuel distributor 28 has a connection element 40 on.
  • the connecting element 40 is z. B. in the form of a Nozzle trained, on which a not shown Fuel supply hose can be attached, or represents a so-called "quick connector" with which Bayonet-like quick connections can be achieved.
  • FIG. 3 shows an embodiment of the Fuel injection system shown in which the electrical contacting of the individual Fuel injection valves 1 via a contact rail 41 takes place, all the fuel injection valves 1 with each other combines.
  • the contact rail 41 which is directly at Injection molding of the fuel injection system is also provided and is completely encapsulated by plastic, has a central plug 42 at one contacting end, the z. B. with four to be contacted Fuel injection valves 1 is designed five poles.
  • the Number of 41 provided in the contact rail electrical lines 43 decrease with each Fuel injector 1 by one to Central connector 42 furthest away Fuel injector 1, two more electric Lead lines 43.
  • the contact rail 41 and the Fuel distributors 28 are by no means in FIG. 3 shown to scale and need not be separate run side by side or one above the other. Rather it is of advantage, the electrical lines 43 immediately in or to integrate the fuel distributor 28, so that only a transverse to the fuel injection valves 1 Plastic connector is present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (9)

  1. Système d'injection de carburant pour un moteur à combustion interne comprenant au moins une tubulure d'aspiration et au moins un injecteur de carburant entouré directement par une enveloppe en matière plastique (25),
    l'enveloppe en matière plastique (25) réalisée en une seule pièce avec au moins une tubulure d'aspiration (3) entourant en outre un canal d'alimentation en carburant (30) pour au moins un injecteur de carburant (1),
    caractérisé en ce que
    l'enveloppe en matière plastique est un enrobage injecté en matière plastique de l'injecteur de carburant (1).
  2. Système d'injection de carburant selon la revendication 1,
    caractérisé en ce que
    l'enrobage en matière plastique (25) présente une bride de fixation (37) à l'aide de laquelle le système d'injection de carburant se fixe à une culasse de moteur à combustion interne et au niveau duquel termine au moins une tubulure d'aspiration (3).
  3. Système d'injection de carburant selon l'une quelconque des revendications 1 ou 2,
    caractérisé par
    au moins deux injecteurs de carburant (1) auxquels est associée au moins une tubulure d'aspiration (3) et chaque tubulure d'aspiration (3) est séparée des autres tubulures d'aspiration (3).
  4. Système d'injection de carburant selon la revendication 3,
    caractérisé en ce que
    transversalement aux axes (29) longitudinaux d'au moins deux injecteurs de carburant (1) on a le canal d'alimentation de carburant (30) qui forme un distributeur de carburant (28) avec la matière plastique qui l'enveloppe, ce distributeur étant réalisé directement lors de l'enrobage en matière plastique (25) des injecteurs de carburant (1).
  5. Système d'injection de carburant selon la revendication 1,
    caractérisé en ce que
    pour son contact électrique, chaque injecteur (1), distinct, comporte un connecteur (26) réalisé en une seule pièce avec l'enrobage en matière plastique injectée (25).
  6. Système d'injection de carburant selon la revendication 1,
    caractérisé en ce que
    tous les injecteurs de carburant (1) sont reliés à des conducteurs électriques (43) d'un rail de contact (41) par lesquels se fait le contact électrique des injecteurs de carburant (1), le rail de contact (41) étant également réalisé en une seule pièce par enrobage en matière plastique injectée (25) et se termine par un connecteur central (42).
  7. Système d'injection de carburant selon l'une quelconque des revendications 4 et 6,
    caractérisé en ce que
    les lignes électriques (43) sont intégrées dans le distributeur de carburant (28).
  8. Système d'injection de carburant selon la revendication 1,
    caractérisé en ce qu'
    au moins un injecteur de carburant (1) possède un noyau (6) servant d'ajutage d'entrée de carburant et de pôle intérieur qui forme l'extrémité de l'injecteur (1), tournée vers le canal d'alimentation en carburant (30), du côté de l'arrivée, et le noyau (6) comporte à sa périphérie extérieure, plusieurs nervures (32), annulaires périphériques, entourées par l'enveloppe en matière plastique injectée (25).
  9. Système d'injection de carburant selon la revendication 1,
    caractérisé en ce que
    la zone (24) de l'injecteur de carburant (1), à l'extrémité aval de l'injecteur (1), tournée vers la tubulure d'aspiration (3) n'est pas directement entourée de matière plastique et arrive dans une embouchure latérale (33) de la tubulure d'aspiration (3).
EP96945492A 1996-01-08 1996-10-11 Systeme d'injection de carburant Expired - Lifetime EP0813651B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19600378A DE19600378A1 (de) 1996-01-08 1996-01-08 Brennstoffeinspritzsystem
DE19600378 1996-01-08
PCT/DE1996/001939 WO1997025529A1 (fr) 1996-01-08 1996-10-11 Systeme d'injection de carburant

Publications (2)

Publication Number Publication Date
EP0813651A1 EP0813651A1 (fr) 1997-12-29
EP0813651B1 true EP0813651B1 (fr) 2002-03-20

Family

ID=7782277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945492A Expired - Lifetime EP0813651B1 (fr) 1996-01-08 1996-10-11 Systeme d'injection de carburant

Country Status (7)

Country Link
US (1) US5934252A (fr)
EP (1) EP0813651B1 (fr)
JP (1) JP3805376B2 (fr)
KR (1) KR19980702840A (fr)
AT (1) ATE214786T1 (fr)
DE (2) DE19600378A1 (fr)
WO (1) WO1997025529A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012001076A1 (de) * 2012-01-20 2013-07-25 Veritas Ag Verfahren zur Erhöhung einer Dauerfestigkeit eines Hohlkörpers und dazugehörigen Hohlkörper
DE102015209646A1 (de) * 2015-05-27 2016-12-01 Bayerische Motoren Werke Aktiengesellschaft Kraftstoffeinspritzvorrichtung

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000018125A (ja) * 1998-07-01 2000-01-18 Mitsubishi Electric Corp 筒内噴射用燃料噴射弁
JP2000282990A (ja) * 1999-03-31 2000-10-10 Komatsu Ltd ディーゼルエンジンの燃料配管構造
DE10020616A1 (de) * 2000-04-27 2001-10-31 Pierburg Ag Gemischbildungsanordnung für eine Brennkraftmaschine
US6622700B2 (en) 2000-10-24 2003-09-23 Siemens Vdo Automotive, Inc. Integrated fuel system and wiring harness
JP2003065183A (ja) * 2001-08-22 2003-03-05 Sanshin Ind Co Ltd 船外機における燃料供給装置
JP2003065187A (ja) 2001-08-22 2003-03-05 Sanshin Ind Co Ltd 船外機における燃料供給装置
DE10145035A1 (de) 2001-09-13 2003-04-10 Bosch Gmbh Robert Brennstoffeinspritzsystem
US6959695B2 (en) 2001-10-17 2005-11-01 Robert Bosch Corporation Multi-point fuel injection module
US9635540B2 (en) * 2002-03-25 2017-04-25 Jeffrey D. Mullen Systems and methods for locating cellular phones and security measures for the same
US6786203B1 (en) * 2002-04-30 2004-09-07 Siemens Vdo Automotive Corporation Injector valve for integrated air/fuel module
US6840268B2 (en) * 2002-05-23 2005-01-11 Detroit Diesel Corporation High-pressure connector having an integrated flow limiter and filter
EP1375895A2 (fr) * 2002-06-26 2004-01-02 Robert Bosch Gmbh Dispositif pour former un mélange dans un système d'admission de moteurs à combustion interne
US7007674B2 (en) 2003-04-01 2006-03-07 Robert Bosch Corporation Fuel rail assembly
ES2634507T3 (es) * 2004-05-13 2017-09-28 Abb Research Ltd. Bobina de detección de fibra óptica y sensor de corriente o de campo magnético
US7086385B2 (en) * 2004-07-15 2006-08-08 Siemens Vdo Automotive Corporation Unitary fuel injector module for fuel system
JP2007315186A (ja) * 2006-05-23 2007-12-06 Aisan Ind Co Ltd 燃料噴射装置
FR2909731A1 (fr) * 2006-12-08 2008-06-13 Renault Sas Procede de fabrication d'une partie de moteur concernant l' admission de comburant et moteur polycarburant et utilisation de ce moteur
DE112008000775A5 (de) * 2007-04-10 2010-05-20 Mahle International Gmbh Brennkraftmaschine und Frischluftanlage
US9034210B2 (en) * 2007-12-05 2015-05-19 Epcos Ag Feedstock and method for preparing the feedstock
US20090148802A1 (en) * 2007-12-05 2009-06-11 Jan Ihle Process for heating a fluid and an injection molded molding
US20090146042A1 (en) * 2007-12-05 2009-06-11 Jan Ihle Mold comprising a ptc-ceramic
US20090145977A1 (en) * 2007-12-05 2009-06-11 Jan Ihle Injection molded nozzle and injector comprising the injection molded nozzle
US7973639B2 (en) * 2007-12-05 2011-07-05 Epcos Ag PTC-resistor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333843A1 (de) * 1983-09-20 1985-04-04 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Saugrohranlage fuer eine brennkraftmaschine
JP2516185Y2 (ja) * 1990-03-15 1996-11-06 トヨタ自動車株式会社 内燃機関の燃料噴射装置
US5111794A (en) * 1990-06-29 1992-05-12 Siemens Automotive L.P. Fuel rail for bottom and side fed injectors
US5097594A (en) * 1990-08-07 1992-03-24 Siemens Automotive L.P. Method of making an intake manifold/fuel rail
US5150842A (en) * 1990-11-19 1992-09-29 Ford Motor Company Molded fuel injector and method for producing
US5189782A (en) * 1990-12-20 1993-03-02 Ford Motor Company Method of making integrally formed and tuned fuel rail/injectors
GB9103833D0 (en) * 1991-02-23 1991-04-10 Jaguar Cars Inlet manifold and fuel supply system
IT1252463B (it) * 1991-07-31 1995-06-16 Weber Srl Gruppo di alimentazione per un motore a combustione interna
US5419297A (en) * 1994-06-28 1995-05-30 Siemens Automotive L.P. Extended tip gasoline port fuel injector
US5568798A (en) * 1995-06-08 1996-10-29 Siemens Automotive Corporation Plastic fuel rail having integrated electrical wiring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012001076A1 (de) * 2012-01-20 2013-07-25 Veritas Ag Verfahren zur Erhöhung einer Dauerfestigkeit eines Hohlkörpers und dazugehörigen Hohlkörper
DE102015209646A1 (de) * 2015-05-27 2016-12-01 Bayerische Motoren Werke Aktiengesellschaft Kraftstoffeinspritzvorrichtung

Also Published As

Publication number Publication date
WO1997025529A1 (fr) 1997-07-17
EP0813651A1 (fr) 1997-12-29
US5934252A (en) 1999-08-10
DE59608924D1 (de) 2002-04-25
JP3805376B2 (ja) 2006-08-02
ATE214786T1 (de) 2002-04-15
KR19980702840A (ko) 1998-08-05
DE19600378A1 (de) 1997-07-10
JPH11502282A (ja) 1999-02-23

Similar Documents

Publication Publication Date Title
EP0813651B1 (fr) Systeme d'injection de carburant
EP0937202B1 (fr) Injecteur de carburant
EP0352445B1 (fr) Soupape électromagnétique
DE3120160C2 (fr)
DE19744739A1 (de) Brennstoffeinspritzventil
DE19712591A1 (de) Brennstoffeinspritzventil und Verfahren zur Herstellung sowie Verwendung eines Brennstoffeinspritzventils
EP1387942B1 (fr) Soupape d'injection de carburant comprenant un element d'amortissement
EP1370765B1 (fr) Soupape d'injection de carburant
EP1030968B1 (fr) Injecteur de carburant
DE69305084T2 (de) Einlassventilschaft umgebendes kraftstoffeinspritzventil
DE19512339B4 (de) Elektromagnetisch betätigbares Brennstoffeinspritzventil
EP0455758A1 (fr) Injecteur de carburant a commande electromagnetique.
EP1797313B1 (fr) Soupape d'injection de carburant
EP0727015B1 (fr) Appareil de raccordement d'un dispositif de répartition du gaz à des manchons de gaz des systèmes d'injection de carburant pour moteurs à combustion interne
DE19717459C2 (de) Vorrichtung zum dosierten Einspritzen von Kraftstoff in einen Verbrennungsmotor
DE102007049945A1 (de) Brennstoffeinspritzventil
EP1427937B1 (fr) Systeme d'injection de carburant
DE102004047041B4 (de) Brennstoffeinspritzventil
DE102004047040A1 (de) Brennstoffeinspritzventil und Verfahren zur Montage eines Brennstoffeinspritzventils
WO2000075503A1 (fr) Soupape d'injection de carburant et son procede de production
DE10123850A1 (de) Brennstoffeinspritzventil
DE19939546A1 (de) Brennstoffeinspritzventil mit integrierter Zündkerze
DE102020202826A1 (de) Brennstoffeinspritzventil
DE102005022662A1 (de) Saugrohr mit integriertem Kraftstoffzuteiler
DE102009045136A1 (de) Verfahren zur Herstellung eines Bauteils für eine kompakte Einspritzvorrichtung

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

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19980119

17Q First examination report despatched

Effective date: 20000119

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

RIN1 Information on inventor provided before grant (corrected)

Inventor name: STAACKE, ALBERT

Inventor name: RAFF, THOMAS

Inventor name: NAEGER, THOMAS

Inventor name: GREGORIUS, THOMAS

Inventor name: BODENHAUSEN, ECKHARD

Inventor name: HAFNER, UDO

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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

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: 20020320

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: 20020320

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: 20020320

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: 20020320

REF Corresponds to:

Ref document number: 214786

Country of ref document: AT

Date of ref document: 20020415

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 59608924

Country of ref document: DE

Date of ref document: 20020425

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

Effective date: 20020523

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

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: 20020620

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: 20020620

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: 20020620

ET Fr: translation filed
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: 20020925

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

Ref country code: LU

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

Effective date: 20021011

Ref country code: AT

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

Effective date: 20021011

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

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: 20021031

Ref country code: CH

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

Effective date: 20021031

Ref country code: BE

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

Effective date: 20021031

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: 20021223

BERE Be: lapsed

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

Effective date: 20021031

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: 20030501

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: GB

Payment date: 20040928

Year of fee payment: 9

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

Ref country code: GB

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

Effective date: 20051011

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

Effective date: 20051011

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

Ref country code: IT

Payment date: 20091023

Year of fee payment: 14

Ref country code: FR

Payment date: 20091110

Year of fee payment: 14

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: 20101102

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110630

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: 20101011

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

Ref country code: DE

Payment date: 20111205

Year of fee payment: 16

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: 20130501

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59608924

Country of ref document: DE

Effective date: 20130501