EP1446571B1 - Soupape d'injection de carburant pour des moteurs a combustion interne - Google Patents

Soupape d'injection de carburant pour des moteurs a combustion interne Download PDF

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Publication number
EP1446571B1
EP1446571B1 EP02767066A EP02767066A EP1446571B1 EP 1446571 B1 EP1446571 B1 EP 1446571B1 EP 02767066 A EP02767066 A EP 02767066A EP 02767066 A EP02767066 A EP 02767066A EP 1446571 B1 EP1446571 B1 EP 1446571B1
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EP
European Patent Office
Prior art keywords
valve needle
valve
external
internal
sealing edge
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
EP02767066A
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German (de)
English (en)
Other versions
EP1446571A1 (fr
Inventor
Friedrich Boecking
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 EP1446571A1 publication Critical patent/EP1446571A1/fr
Application granted granted Critical
Publication of EP1446571B1 publication Critical patent/EP1446571B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1866—Valve seats or member ends having multiple cones
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies

Definitions

  • the invention is based on a fuel injection valve for Internal combustion engine, as it is the type of claim 1 corresponds.
  • a fuel injection valve is for example from the published patent application DE 30 36 583 A1 known. That known from the prior art Fuel injection valve has a valve body with a formed therein bore. In the hole is an outer one Valve needle out and turn in the outer valve needle an inner valve needle. Both valve needles work with a valve seat together, the bore on the combustion chamber side End closes. In the valve seat are an outer and formed an inner injection opening row, wherein the Inner injection port row from the inner valve needle and the outer injection port row from the outer valve needle -controlled.
  • a longitudinal movement of the valve pins in the bore against a closing force either turned on only the outer injection opening row or both injection port rows simultaneously, so that Fuel can flow to the injection ports, from where he is injected into the combustion chamber of the internal combustion engine.
  • Both the outer valve needle and the inner valve needle have on their valve sealing surfaces, with which they on Abut valve seat, each having a sealing edge, the one Sealing of the pressure chamber against the respective injection opening row ensures.
  • this results in the Disadvantage that the injection valve during the closed Phase in which no fuel through the injection openings should escape, the two Einspritzötechnischsschn not sufficiently sealed against each other.
  • This can on the one hand Combustion gases from the combustion chamber as so-called back-blowing in the space between the two valve pins is present, penetrate.
  • fuel the is also located between the valve pins during operation, as leakage into the combustion chamber flow and there to one Increase in hydrocarbon emissions.
  • the fuel injection valve according to the invention with the characterizing Features of claim 1 has in contrast the advantage that no leakage and thus no leakage of Fuel between the injections is possible and that from the combustion chamber of the internal combustion engine no combustion gases through the injection openings in the fuel injection valve can penetrate.
  • the outer valve needle an inwardly cantilevered sealing lip, the one having inner sealing edge. This inner sealing edge comes in Closed position of the outer valve needle on the valve seat for Plant and seals so the outer injection hole row against the inner injection port row.
  • annular space formed with fuel can be filled under high pressure.
  • the fuel in the annulus acts on the formed on the inner valve needle Pressure surface, so that a directed away from the valve seat force is exerted on the inner valve needle.
  • the inner valve needle can hydraulically in a simple manner be controlled, with the annulus with little effort can be realized.
  • the outer Valve needle formed substantially hollow cylindrical, and the pressure chamber is through a groove in the inner circumferential surface formed the outer valve needle.
  • the Sealing lip on a seat facing away from the valve, on the the inner valve needle with a sealing surface in the closed position comes to the plant. This will cause the inner sealing edge, which is formed on the sealing lip, by the closing force the inner valve needle additionally against the valve seat pressed, so that the sealing effect of the inner sealing edge is significantly improved.
  • the outer Valve needle next to the inner sealing edge an additional outer sealing edge, which upstream to the inner Sealing edge and also upstream to the outer injection port row is arranged.
  • the seal inner and outer sealing edge the outer injection port row completely, so no fuel through the outer injection opening row uncontrolled into the combustion chamber can get. There can be no other way around Combustion gases from the combustion chamber into the fuel injection valve penetration.
  • the sealing lip designed so that during the closing movement of the outer Valve needle first the inner sealing edge on the valve seat to Plant comes and only with the further closing movement under elastic deformation of the sealing lip and the outer sealing edge. Due to the elastic deformation of the sealing lip is the contact pressure on the inner sealing edge increases, so that in the case where only the inner valve needle from the valve seat lifts and thereby the inner injection port row releases, still a secure seal on the inner Sealing edge of the outer valve needle is given.
  • a fuel injection valve in longitudinal section shown in Figure 1, a fuel injection valve in longitudinal section shown.
  • a valve body 1 a bore 3 is formed, wherein the bore 3 is closed by a valve seat 10 is, which is formed substantially conical.
  • this valve seat 10 is on the combustion chamber side End of the bore 3 is arranged.
  • an outer Valve needle 5 is arranged, which is longitudinally displaceable there is and in a brennraumabgewandten section of the bore 3 is guided.
  • the outer valve needle 5 is a piston-shaped inner valve needle 7 guided longitudinally displaceable, the a longitudinal axis 2, which with the longitudinal axis of outer valve needle 5 coincides.
  • the outer valve needle 5 has at its the valve seat 10 end facing a in essential conical valve sealing surface 6, which in Closed position of the outer valve needle 5 on the valve seat 10th comes to the plant.
  • the inner valve needle 7 also has one essentially conical sealing surface 8, which in the closed position also comes to the valve seat 10 to the plant.
  • a Pressure shoulder 11 formed between the outer valve needle 5 and the wall of the bore 3, a pressure chamber 16 is formed, the via a formed in the valve body 1 inlet channel 18 can be filled with fuel under high pressure.
  • the pressure chamber 16 is radial extended, so that the inlet channel 18 in the valve body.
  • valve 1 can train without the leadership of the outer valve needle. 5 in the hole 3 by a too small wall thickness between to weaken the bore 3 and the inlet channel 18.
  • a longitudinal movement of Valve needles 5, 7 in the bore 3 takes place thereby, that either the opening force on the outer valve needle 5, by the hydraulic force on the pressure shoulder 11th is generated by the increasing pressure in the pressure chamber 16th exceeds the closing force or that at least one approximately constant fuel pressure in the pressure chamber 16 reduces the closing force on the outer valve needle 5 becomes.
  • FIG. 2 shows an enlargement of the designated II section of Figure 1.
  • the valve seat 10 In the valve seat 10 are a plurality of injection openings formed, the valve seat 10 with the Combust combustion chamber of the internal combustion engine.
  • the injection openings are arranged in two rows of injection openings 12, 14, wherein the inner injection opening row 12 closer the longitudinal axis 2 is located as the outer injection opening row 14.
  • the inner valve needle 7 has at its combustion chamber facing End a sequence of a cone surface 107, one adjoining first cylindrical surface 117, one following second cone surface 207, a subsequent second cylindrical surface 217 and an adjacent thereto third cone surface 307 on.
  • the opening angle of the third Cone surface 307 is larger than the opening angle of the conical Valve seat 10, so that at the transition of the second cylindrical surface 217 to the third cone surface 307 a sealing edge 27 is formed, in the closed position of the inner valve needle 7 comes to the valve seat 10 to the plant.
  • the sealing edge 27 comes here upstream of the inner row of injection openings 12 at the valve seat 10 to the plant, so that the sealing edge 27 can close the inner injection opening 12 series.
  • the outer valve needle 5 has near its combustion chamber side End a groove 19 on, so that between the inner Valve needle 7 and the outer valve needle 5, an annular space 20th is formed.
  • the annulus 20 is over several over the circumference the outer valve needle 5 distributed connecting bores 22 connected to the pressure chamber 16, and thus prevails in the annular space 20 always the same fuel pressure as in the pressure chamber 16.
  • the combustion chamber-side end surface of the outer Valve needle 5 is approximately conical and has an outer ring formed by an annular bead formed thereon Sealing edge 32, which when attached to the valve seat 10 the Pressure chamber 16 against the outer injection opening row 14 closes.
  • the inner one Sealing edge 30 and the outer sealing edge 32 are here arranged so that the outer sealing edge 32 upstream and the inner sealing edge 30 downstream of the outer injection opening row 14 are arranged so that at the plant the two sealing edges 30, 32 on the valve seat 10, the outer Injection opening row 14 is sealingly closed.
  • the sealing lip 25 is elastically deformable and designed to that in the closing movement of the lifted off the valve seat 10th outer valve needle 5 first, the inner sealing edge 30 comes to the valve seat 10 to the plant and only then by an elastic deformation of the sealing lip 25 and the outer Sealing edge 32.
  • the valve seat 10 remote from the side of the sealing lip 25 is formed as a seat 26, which, when the inner Ventilnader7 is in the closed position, at the as Sealing surface serving second cone surface 207 is applied. hereby results in an additional closing force on the Sealing lip 25 and thus on the inner sealing edge 30, what the sealing effect of the inner sealing edge 30 reinforced.
  • FIG 3 is an enlargement in the region of the valve seat 10 of Figure 2 shown.
  • the reinforcement of the sealing effect on the inner sealing edge 30 of the sealing lip 25 is only then indicated when the sealing lip 25 sufficiently far inward protrudes, leaving them in the closed position of the inner valve needle 7 abuts against the second cone surface 207. Is this Reinforcement of the sealing effect on the inner sealing edge 30 not desired, it may also be provided, the sealing lip 25 to shorten accordingly, so that no more investment takes place on the inner valve needle 7.
  • the extension of the Sealing lip 25 by the distance h thus allows the contact force and thus to adjust the sealing effect on the inner sealing edge 30.
  • the operation of the fuel injection valve is like follows: Should an injection only through part of the injection openings take place, in this construction example through the inner row of injection ports 12, so does fuel introduced under high pressure in the pressure chamber 16.
  • By reducing the closing force on the inner valve needle 7 results from the hydraulic force on the first cone surface 107, which is formed as a pressure surface, an opening force on the inner valve needle 7 from the valve seat 10 away, so that the sealing edge 27 lifts off the valve seat 10 and the annulus 20 with the inner injection port row 12 connects.
  • By a correspondingly high closing force on the outer valve needle 5 remain both the inner Sealing edge 30 and the outer sealing edge 32 in abutment on Valve seat 10 and hold so the outer row of injection openings 14 closed.
  • the inner valve needle 7 sets its opening movement Continue until you get to one in the drawing shown stop comes to the plant. Shall go through the whole Injection cross section are injected, so will also reduces the closing force on the outer valve needle 5, and the outer valve needle 5 lifts first with the outer one Sealing edge 32 and then with the inner sealing edge 30 from the valve seat 10, so now fuel through both Injection opening rows 12, 14 is injected.
  • the Closing of the fuel injection valve takes place in analogue Way by increasing the closing force on the inner Valve needle 7 and the outer valve needle 5, wherein it may be provided, at the same time the pressure in the pressure chamber 16th to reduce.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne une soupape d'injection de carburant, comprenant un corps de soupape (1) dans lequel sont logés un pointeau de soupape extérieur (5) dans un alésage (3) ainsi qu'un pointeau de soupape intérieur (7), conduit dans le pointeau de soupape extérieur (5). Les pointeaux de soupape (5, 7) concourent avec un siège de soupape (10) qui est réalisé à l'extrémité côté chambre de combustion de l'alésage (3) et dans lequel sont placées une série extérieure d'orifices d'injection (14) et une série intérieure d'orifices d'injection (12). Le pointeau de soupape intérieur (7) commande l'ouverture de la série intérieure d'orifices d'injection (12) et le pointeau de soupape extérieur (5) commande l'ouverture de la série extérieure d'orifices d'injection (14). Le pointeau de soupape extérieur (5) présente une lèvre d'étanchéité périphérique (25) saillant vers l'intérieur et comprenant une arête d'étanchéité intérieure (30) qui vient s'appuyer sur le siège de soupape (10) dans la position de fermeture du pointeau de soupape extérieur (7).

Claims (7)

  1. Injecteur de carburant pour un moteur à combustion interne comportant un corps d'injecteur (1) muni d'un perçage (3) recevant une aiguille extérieure (5) avec une aiguille intérieure (7) guidée dans l'aiguille extérieure (5),
    au moins l'une des aiguilles d'injecteur (5 ; 7) coopérant avec un siège de soupape (10) réalisé à l'extrémité du perçage (3) du côté de la chambre de combustion, ce siège de soupape comportant une série d'orifices d'éjection extérieurs (14) et une série d'orifices d'éjection intérieurs (12), l'aiguille d'injecteur intérieure (7) commandant l'ouverture de la série des orifices d'éjection intérieurs (12) et l'aiguille d'injecteur extérieure (5) commandant l'ouverture de la série des orifices d'éjection extérieurs (14), alors que des surfaces de pression (11 ; 107) réalisées sur l'aiguille intérieure (7) et sur l'aiguille extérieure (5), sont sollicitées dans le sens de l'ouverture à l'opposé d'une force de fermeture par le carburant fourni,
    caractérisé en ce que
    l'aiguille d'injecteur extérieure (5) comporte une lèvre d'étanchéité (25) périphérique venant en saillie vers l'intérieur et ayant une arête d'étanchéité (30), intérieure,
    cette arête d'étanchéité intérieure (30) venant en appui contre le siège de soupape (10) lorsque l'aiguille extérieure (7) est en position de fermeture.
  2. Injecteur de carburant selon la revendication 1,
    caractérisé en ce qu'
    une chambre annulaire (20) réalisé entre l'aiguille extérieure (5) et l'aiguille intérieure (7), peut être remplie de carburant à pression élevée.
  3. Injecteur de carburant selon la revendication 2,
    caractérisé en ce que
    l'aiguille extérieure (5) est essentiellement de forme cylindrique creuse et la chambre annulaire (20) est formé par une gorge réalisée dans la surface-enveloppe intérieure de l'aiguille extérieure (5).
  4. Injecteur de carburant selon la revendication 3,
    caractérisé en ce que
    la chambre annulaire (20) est reliée par au moins un perçage de liaison (22) réalisé dans l'aiguille extérieure (5) à une chambre de pression (16) qui peut être remplie de carburant à pression élevée.
  5. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    la lèvre d'étanchéité (25) présente une surface de siège (26) à l'opposé du siège de soupape (10) contre laquelle l'aiguille intérieure (7) vient en appui par une surface d'étanchéité (207) en position de fermeture, sous l'action de la force de fermeture.
  6. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    l'aiguille extérieure (5) comporte en plus de l'arête d'étanchéité intérieure (30) également une arête d'étanchéité extérieure (32) en amont de l'arête d'étanchéité intérieure (30) pour que l'arête d'étanchéité extérieure (32) et l'arête d'étanchéité intérieure (30) ferment la série extérieure d'orifices d'éjection (14).
  7. Injecteur de carburant selon la revendication 6,
    caractérisé en ce que
    lors du mouvement de fermeture de l'aiguille extérieure (5), l'arête d'étanchéité intérieure (30) vient d'abord en appui contre le siège de soupape (10) et ce n'est que lors de la poursuite du mouvement de fermeture et par déformation élastique de la lèvre d'étanchéité (25) que l'arête d'étanchéité extérieure (32) vient également en appui.
EP02767066A 2001-11-09 2002-07-27 Soupape d'injection de carburant pour des moteurs a combustion interne Expired - Lifetime EP1446571B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10155227 2001-11-09
DE10155227A DE10155227A1 (de) 2001-11-09 2001-11-09 Kraftstoffeinspritzventil für Brennkraftmaschinen
PCT/DE2002/002776 WO2003040543A1 (fr) 2001-11-09 2002-07-27 Soupape d'injection de carburant pour des moteurs a combustion interne

Publications (2)

Publication Number Publication Date
EP1446571A1 EP1446571A1 (fr) 2004-08-18
EP1446571B1 true EP1446571B1 (fr) 2005-04-06

Family

ID=7705287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02767066A Expired - Lifetime EP1446571B1 (fr) 2001-11-09 2002-07-27 Soupape d'injection de carburant pour des moteurs a combustion interne

Country Status (4)

Country Link
EP (1) EP1446571B1 (fr)
JP (1) JP4191606B2 (fr)
DE (2) DE10155227A1 (fr)
WO (1) WO2003040543A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2018195894A1 (fr) * 2017-04-28 2018-11-01 浙江巴腾动力系统有限公司 Injecteur de carburant pour automobile

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DE10247958A1 (de) 2002-10-15 2004-04-29 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
DE10315821A1 (de) 2002-11-11 2004-05-27 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE50305296D1 (de) * 2002-11-11 2006-11-16 Bosch Gmbh Robert Kraftstoffeinspritzventil für brennkraftmaschinen
DE10305303A1 (de) * 2003-02-10 2004-08-19 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, insbesondere für Brennkraftmaschinen mit Kraftstoff-Direkteinspritzung
DE10306808A1 (de) * 2003-02-18 2004-09-02 Siemens Ag Injektor zum Einspritzen von Kraftstoff
DE10322826A1 (de) * 2003-05-19 2004-12-09 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
US7032566B2 (en) * 2003-05-30 2006-04-25 Caterpillar Inc. Fuel injector nozzle for an internal combustion engine
DE10351460A1 (de) * 2003-11-04 2005-06-09 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, sowie Verfahren zu deren Herstellung
DE10354878A1 (de) * 2003-11-24 2005-06-09 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, insbesondere für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung, sowie Verfahren zu ihrer Herstellung
EP1566538B1 (fr) * 2004-02-20 2006-08-09 Delphi Technologies, Inc. Buse d'injection
DE602005000060T2 (de) 2004-02-20 2007-03-08 Delphi Technologies, Inc., Troy Einspritzdüse
DE102004011096A1 (de) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzventil
DE102004011095A1 (de) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzventil
DE102004021340A1 (de) * 2004-04-30 2005-11-24 Siemens Ag Düsenbaugruppe und Ventil
ATE388319T1 (de) * 2004-08-13 2008-03-15 Delphi Tech Inc Einspritzdüse
DE102004059974A1 (de) * 2004-11-23 2006-06-01 Siemens Ag Düsenbaugruppe und Einspritzventil
DE102005001675A1 (de) * 2005-01-13 2006-07-27 Siemens Ag Düsenbaugruppe und Einspritzventil
ATE487048T1 (de) * 2005-03-04 2010-11-15 Delphi Tech Holding Sarl Einspritzdüse
DE102005037954A1 (de) * 2005-08-11 2007-02-15 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
JP4454567B2 (ja) * 2005-11-14 2010-04-21 株式会社デンソー 燃料噴射ノズル
DE102006041071A1 (de) * 2006-09-01 2008-03-06 Robert Bosch Gmbh Injektor zur Einspritzung von Kraftstoff in Zylinderbrennräume von Brennkraftmaschinen; insbesondere Common-Rail-Injektor
DE102012205840A1 (de) * 2012-04-11 2013-10-17 Continental Automotive Gmbh Injektor
GB201404131D0 (en) * 2014-03-10 2014-04-23 Delphi Int Operations Lux Srl Fuel injector
DE102014220928A1 (de) 2014-10-15 2016-04-21 Continental Automotive Gmbh Registerdüse zum Einspritzen von Kraftstoff in den Brennraum einer Brennkraftmaschine
JP2016205197A (ja) 2015-04-21 2016-12-08 日立オートモティブシステムズ株式会社 燃料噴射装置
US10392987B2 (en) 2017-03-29 2019-08-27 Cummins Emission Solutions Inc. Assembly and methods for NOx reducing reagent dosing with variable spray angle nozzle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018195894A1 (fr) * 2017-04-28 2018-11-01 浙江巴腾动力系统有限公司 Injecteur de carburant pour automobile

Also Published As

Publication number Publication date
WO2003040543A1 (fr) 2003-05-15
JP4191606B2 (ja) 2008-12-03
EP1446571A1 (fr) 2004-08-18
DE10155227A1 (de) 2003-05-22
DE50202740D1 (de) 2005-05-12
JP2005508474A (ja) 2005-03-31

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