EP2904259A1 - Düsenbaugruppe für einen fluidinjektor und fluidinjektor - Google Patents
Düsenbaugruppe für einen fluidinjektor und fluidinjektorInfo
- Publication number
- EP2904259A1 EP2904259A1 EP13766353.0A EP13766353A EP2904259A1 EP 2904259 A1 EP2904259 A1 EP 2904259A1 EP 13766353 A EP13766353 A EP 13766353A EP 2904259 A1 EP2904259 A1 EP 2904259A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- wall
- nozzle body
- fluid
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 54
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 14
- 239000000446 fuel Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- 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
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
Definitions
- Nozzle assembly for a fluid injector and fluid injector A nozzle assembly for a fluid injector and a fluid injector with a nozzle assembly is provided.
- soot and / or NOx emissions depends, inter alia, on the preparation of the air / fuel mixture in the respective cylinder
- a starting point here is to achieve a very good treatment of the air / fuel mixture, and thus to reduce the pollutant emissions generated by the internal combustion engine and fuel consumption.
- a correspondingly improved mixture preparation can be achieved if the fuel is metered under very high pressure.
- the fuel pressures are up to over 2000 bar.
- Such high pressures make both high demands on the material of the nozzle assembly, on their construction and on the entire Fluidinj ektor.
- larger forces must be absorbed by the nozzle assembly. It is an object to be achieved, at least some embodiments, to provide a nozzle assembly for a fluid injector that enables reliable and accurate operation. Another object of at least some embodiments is to provide a fluid injector with a nozzle assembly.
- a nozzle assembly for a fluid injector comprises a nozzle body having a central axis.
- the nozzle body has a nozzle body recess, which can preferably be hydraulically coupled to a high pressure circuit of a fluid to be metered.
- the nozzle body recess is preferably an axially movable, i. arranged in the direction of the central axis movable nozzle needle, which prevents fluid flow through an injection port in a closed position and outside the closed position releases a fluid flow through the injection port.
- the nozzle body has an inner wall facing the nozzle body recess and an outer wall facing away from the nozzle body recess.
- the nozzle assembly further comprises a nozzle retaining nut, by means of which the nozzle body can be coupled to an injector body.
- the nozzle retaining nut and the injector body may each have a thread and thus screwed together.
- Injector body can other components, such as
- the nozzle retaining nut has an outer wall facing the outer wall of the nozzle body and an outer wall facing away from the outer wall of the nozzle body outer wall.
- the nozzle body and the nozzle retaining nut are designed such that the outer wall of the nozzle body in the radial direction under the action of a normal operating pressure of the fluid to be metered onto the nozzle body recess at least partially rests against the inner wall of the nozzle retaining nut.
- a normal operating pressure of the fluid to be metered onto the nozzle body recess at least partially rests against the inner wall of the nozzle retaining nut.
- the intended operating pressure can be, for example, the operating pressure during operation of the nozzle assembly or of the fluid injector.
- the operating pressure may be between 1600 bar and 3000 bar, in particular between 1800 bar and 2500 bar.
- the pressure threshold strength of the nozzle assembly can advantageously be increased. This advantage can be used to allow higher system pressure or to achieve a reduction in wall thicknesses on the nozzle body resulting in a higher fuel carrying volume and improved mass constancy.
- the nozzle body and the nozzle retaining nut overlap in the radial direction with one another, so that an overlapping area results, which extends in the axial direction from a first end facing away from the injection opening to a second end facing the injection opening.
- radial direction refers here and below to a direction orthogonal to the axial direction or to the central axis
- a first subregion of the overlap region extends in the axial direction from the first end to a contact point on which the nozzle body in the axial direction adjoins the nozzle clamping nut
- the outer wall of the nozzle body, in particular in the first subregion is under the effect of the intended operating pressure of the fluid to be metered on the nozzle. sen redesign founded in the radial direction at least partially on the inner wall of the nozzle lock nut.
- the nozzle retaining nut has an inner diameter, wherein the inner diameter is constant in the first partial area.
- the inner diameter of the nozzle lock nut in the first portion does not change. This can advantageously be achieved that in an operation of the nozzle assembly, in particular in a sensitive area with respect to the high pressure resistance of the nozzle body a support between areas of Dü ⁇ sen emotionss and the nozzle retaining nut and a resulting increase in Druckschwellfestmaschine be achieved.
- at least a portion of the inner wall of the nozzle retaining nut in the first portion is convex.
- the inner wall of the nozzle retaining nut can thus be curved in the first subregion such that regions of the inner wall of the nozzle retaining nut which are closer to the first end or the contact point have a greater distance from the central axis than regions of the inner wall of the nozzle retaining nut, which are farther from the first End or from the point of support are removed.
- the entire inner wall of the nozzle retaining nut in the first portion is convex. Also by such a configuration, an increase in the pressure threshold strength of the individual components, in particular of the nozzle body, can be achieved by centering between the nozzle body and the nozzle retaining nut by means of a radius in the inner wall of the nozzle retaining nut in the first partial area.
- At least a portion of the outer wall of the nozzle body is convex in the first portion.
- the nozzle lock nut in the first portion of a constant diameter.
- the outer wall of the nozzle body in the first portion may be curved so that portions of the outer wall of the nozzle body, which are closer to the first end or at the support point, a greater distance from the inner wall of the nozzle retaining nut than areas of the outer wall of the nozzle body, the farther from the first End or from the point of support are removed.
- the entire outer wall of the nozzle body is convex in the first portion. Due to the centering between the nozzle body and nozzle retaining nut by a radius in the outer wall of the nozzle body, the pressure ⁇ swelling resistance of the components can also be increased.
- a minimum distance between the outer wall of the nozzle body and the inner wall of the nozzle retaining nut in the radial direction in the first partial area is less than 0.2 mm when a given reference pressure of the fluid to be metered is applied to the nozzle body recess.
- the predetermined reference pressure may be approximately the same as, for example
- a minimum distance between the outer wall of the nozzle body and the inner wall of the nozzle retaining nut can be less than 0.2 mm, for example, in particular when the nozzle assembly is not in operation.
- particularly preferred embodiment is under the action of the predetermined reference pressure of the fluid to be metered on the nozzle body ⁇ recess the minimum distance in the first portion between the outer wall of the nozzle body and the inner wall of the nozzle lock nut in the radial direction less than or equal to 0, 1 mm.
- the outer wall of the nozzle body and the inner wall of the nozzle retaining nut in the first partial area extend substantially parallel to one another under the action of the predetermined reference pressure of the fluid to be metered on the nozzle body recess.
- "essentially parallel" means that the outer wall of the nozzle body and the inner wall of the nozzle retaining nut run parallel to one another, any deviations only being within the range of the tolerances in the production of the individual components in such an embodiment of the outer wall of the nozzle body and the inner wall
- the nozzle retaining nut in the first subarea can, under the effect of the intended operating pressure of the fluid to be metered on the nozzle body recess, be subjected to extensive contact between regions of the nozzle body and the nozzle retaining nut through the continuous centering the predetermined reference pressure of the fluid to be metered on the nozzle body recess in the first partial area continuously at a distance of less than or equal to 0.1 mm
- the first subregion has a first section in which, under the action of the given reference pressure of the fluid to be metered on the Dü- senanalysisaus foundedung the distance between the outer wall of the nozzle body and the inner wall of the nozzle lock nut is less than or equal to in all other sections of the first portion.
- the first section has in the axial direction at least a distance of 25% of the length of the first portion of both the first end and the support point.
- the first section in the axial direction at a distance of at least 4 mm from both the first end and the support point.
- targeted support can therefore be provided.
- the distance between the outer wall of the nozzle body and the inner wall of the nozzle retaining nut in the first portion is smaller than in all other sections of the first portion under the action of the predetermined reference pressure of the fluid to be metered on the Düsen stresses foundedung.
- the outer wall of the nozzle body is at least partially against the inner wall of the nozzle clamping nut under the action of the intended operating pressure of the fluid to be metered on the nozzle body recess, in particular in the first portion of the first portion.
- the first portion in the axial direction has at least a distance of 25% of the length of the first portion from both the first end and the support point.
- the first section in the axial direction at a distance of at least 4 mm from both the first end and the support point.
- a fluid injector has a nozzle assembly and an injector body, wherein.
- the fluid injector can in particular comprise a nozzle assembly having one or more features of the aforementioned and further embodiments. Further advantages and advantageous embodiments of the nozzle assembly as well as of the fluid injector comprising the nozzle assembly will become apparent from the embodiments described below in conjunction with FIGS. 1 to 4. Show it:
- FIG. 1 shows a fluid injector in longitudinal section
- Figure 2 is an enlarged view of a detail of
- FIG. 1 according to an exemplary embodiment
- Figure 3 is an enlarged view of a detail of
- Figure 4 is an enlarged view of a detail of
- FIG. 1 according to another embodiment.
- identical or identically acting components may each be provided with the same reference numbers ⁇ Be.
- the illustrated elements and their proportions with each other are basically not to be considered as true to scale. Rather, individual elements such as layers, components and areas for better representability and / or for better understanding can be shown exaggerated thick or large dimensions.
- FIG. 1 shows a fluid injector with a nozzle assembly 1 and an injector body 4.
- the nozzle assembly 1 has a nozzle body 2 and a nozzle retaining nut 3, the nozzle body 2 being connected to the injector body by means of the nozzle retaining nut 3 4 is firmly coupled.
- the nozzle body 2 and the injector body 4 thus form a common housing of the fluid injector.
- further components, such as intermediate plates or stop disks may be arranged.
- the nozzle body 2 has a central axis Z in the longitudinal direction.
- the nozzle body 2 has a nozzle body recess 21 which is hydraulically coupled to a high pressure circuit of a fluid to be metered.
- a nozzle needle 6 is arranged, which forms the nozzle assembly 1 together with the nozzle body 2 and the nozzle lock nut 3.
- the nozzle needle 6 is guided in a region of the nozzle body recess 21. It is further biased by spring force and / or hydraulic force so that it prevents fluid flow through an injection opening 22 arranged in the nozzle body 2 when no further forces act on the nozzle needle 6.
- the nozzle body 2 has an inner wall facing the nozzle body recess 21
- the nozzle assembly further comprises a nozzle retaining nut 3 by means of which the nozzle body 2 is coupled to the injector body 4.
- the nozzle retaining nut has an inner wall 31 facing the outer wall 24 of the nozzle body 2.
- the nozzle body 2 and the nozzle lock nut 3 overlap in the radial direction in an overlap region 5 with each other.
- This overlap region 5 extends in the axial direction 100 from a first end 51 facing away from the injection opening 22, which forms an upper edge of the nozzle body 2, to a second end 52 facing the injection opening 22.
- a first subregion 54 of the overlap region 5 extends in the axial direction 100 from the first end 51 to a support point 53 against which the nozzle body 2 rests in the axial direction 100 on the nozzle retaining nut 3.
- Figure 2 shows an enlarged view of a detail of Figure 1 according to a first embodiment.
- the nozzle lock nut 3 has an inner diameter 33, which is constant in the first portion 54.
- the outer wall 24 of the nozzle body 2 under the action of a predetermined reference pressure of the fluid to be metered on the Düsen redesignaus principleung 21 to the inner wall 31 of the nozzle lock nut 3, a minimum distance in the portion 54, which is smaller than 0.2 mm.
- the predetermined reference pressure corresponds, for example, approximately to the atmospheric pressure.
- the minimum distance between the outer wall 24 of the nozzle body 2 and the inner wall 31 of the nozzle lock nut 3 under the action of the predetermined reference pressure of the fluid to be metered on the Düsenanalysisaus fundamentalung 21 in the first portion 54 in the radial direction 200 is less than or equal to 0.1 mm.
- the nozzle body 2 and the nozzle lock nut 3 are designed such that the outer wall 24 of the nozzle body 2 at least partially abuts against the inner wall 31 of the nozzle lock nut 3 in the radial direction 200 under the effect of an intended operating pressure of the fluid to be metered on the nozzle body recess 21.
- the intended operating pressure can be, for example, the operating pressure during operation of the fluid injector.
- the operating pressure may be between 1600 bar and 3000 bar, in particular between 1800 bar and 2500 bar.
- the outer wall 24 of the nozzle body 2 and the inner wall 31 of the nozzle lock nut 3 extend in the first partial area 54 essentially parallel to one another.
- the outer wall of the nozzle body 2 and the inner wall 31 of the nozzle retaining nut 3 in the first subregion under the action of the predetermined reference pressure of the fluid to be metered on the nozzle body recess 21 a substantially constant distance of less than 0.2 mm, more preferably of less than or equal to 0, 1 mm up.
- the first portion 54 has a first portion 541, in which the outer wall 24 of the nozzle body 2 rests on the inner wall 31 of the nozzle lock nut 3 under the action of the intended operating pressure of the fluid to be metered on the nozzle body recess 21, wherein the first portion 541 in the axial direction 100 has at least a distance of 25% of the length of the first portion 54 to both the first end 51 and the support point 53.
- the first portion 541 in the axial direction 100 may have a distance of at least 4 mm from both the first end 51 and the support point 53.
- FIG. 3 shows an enlarged illustration of a section of FIG. 1 according to a further exemplary embodiment.
- the inner wall 31 of the nozzle lock nut 3 is convex in the first portion 54.
- the first portion 54 has a first portion 541, in which the distance between the outer wall 24 of the nozzle body 2 and the inner wall 31 of the nozzle lock nut 3 under the action of the predetermined reference pressure of the fluid to be metered on the nozzle body recess 21st smaller than in all other portions of the first portion 54, wherein the first portion 541 in the axial direction 100 at least a distance of 25% of the length of the first portion 54 from both the first end 51 and the support point 53 has.
- the first section 541 in the axial direction 100 may have a distance of at least 4 mm from both the first end 51 and the support point 51.
- the distance between the outer wall 24 of the nozzle body 2 and the inner wall 31 of the nozzle lock nut 3 is less than 0.2 mm under the action of the predetermined reference pressure of the fluid to be metered on the nozzle body recess 21 in the first section 541.
- the outer wall 24 of the nozzle body 2 bears against the inner wall 31 of the nozzle lock nut 3 at least partially, so that the centering by the radius in the inner wall 23 of the nozzle retaining nut 3 a support of the nozzle body 2 is achieved in this area.
- FIG. 4 shows an enlarged representation of a section of FIG. 1 according to a further exemplary embodiment.
- the outer wall 24 of the nozzle body 2 in the first portion 54 is convex.
- the minimum distance in the first portion 54 between the outer wall 24 of the nozzle body 2 and the inner wall 31 of the nozzle lock nut 3 in the radial direction 200 is less than or equal to 0.1 mm.
- the invention is not limited by the description based on the embodiments of these, but includes each new feature and any combination of features. This includes in particular any combination of features in the patent claims, even if this feature or the combination itself is not explicitly stated in the patent claims or exemplary embodiments.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012217991.7A DE102012217991A1 (de) | 2012-10-02 | 2012-10-02 | Düsenbaugruppe für einen Fluidinjektor und Fluidinjektor |
PCT/EP2013/069988 WO2014053375A1 (de) | 2012-10-02 | 2013-09-25 | Düsenbaugruppe für einen fluidinjektor und fluidinjektor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2904259A1 true EP2904259A1 (de) | 2015-08-12 |
EP2904259B1 EP2904259B1 (de) | 2017-11-15 |
Family
ID=49231495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13766353.0A Active EP2904259B1 (de) | 2012-10-02 | 2013-09-25 | Düsenbaugruppe für einen fluidinjektor und fluidinjektor |
Country Status (5)
Country | Link |
---|---|
US (1) | US10107246B2 (de) |
EP (1) | EP2904259B1 (de) |
CN (1) | CN104685202B (de) |
DE (1) | DE102012217991A1 (de) |
WO (1) | WO2014053375A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012217991A1 (de) | 2012-10-02 | 2014-04-03 | Continental Automotive Gmbh | Düsenbaugruppe für einen Fluidinjektor und Fluidinjektor |
DE102015216791A1 (de) * | 2015-09-02 | 2017-03-02 | Robert Bosch Gmbh | Kraftstoffinjektor |
DE102019103329A1 (de) * | 2019-02-11 | 2020-08-13 | Liebherr-Components Deggendorf Gmbh | Düse eines Kraftstoffinjektors und Kraftstoffinjektor mit einer solchen Düse |
EP3935276A4 (de) * | 2019-04-15 | 2022-10-19 | Cummins, Inc. | Kraftstoffeinspritzer mit radial ausrichtbaren düsenlöchern unter verwendung von keilnuten |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1070442B (de) * | 1955-01-14 | 1959-12-03 | British Internal Combustion Engine Research Association, Slough, Buckinghamshire (Großbritannien) | Brennstoff-Einspritzsystem fur Brennkraftmaschinen |
US2886023A (en) * | 1955-05-09 | 1959-05-12 | Holley Carburetor Co | Fuel injection system |
GB1232973A (de) * | 1967-06-05 | 1971-05-26 | ||
US3587547A (en) * | 1969-07-09 | 1971-06-28 | Ambac Ind | Fuel injection system and apparatus for use therein |
US3625192A (en) * | 1969-12-12 | 1971-12-07 | Allis Chalmers Mfg Co | Fuel injection nozzle with hydraulic valve-closing means |
US3908621A (en) * | 1973-04-25 | 1975-09-30 | Ambac Ind | Hydraulically loaded injector nozzle |
JPH01172063A (ja) | 1987-12-25 | 1989-07-06 | Kayaba Ind Co Ltd | 4輪操舵装置 |
DE19735665A1 (de) * | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Brennstoffeinspritzanlage |
DE19729843A1 (de) * | 1997-07-11 | 1999-01-14 | Bosch Gmbh Robert | Kraftstoffeinspritzventil |
DE10018663A1 (de) | 2000-04-14 | 2001-10-25 | Siemens Ag | Einspritzventil mit optimierter Flächengeometrie zwischen einem Düsenkörper und einer Spannmutter |
DE10115325A1 (de) | 2001-03-28 | 2002-10-17 | Bosch Gmbh Robert | Kraftstoff-Einspritzvorrichtung, insbesondere Injektor, für Brennkraftmaschinen |
DE102006049532A1 (de) * | 2006-10-20 | 2008-04-24 | Robert Bosch Gmbh | Schraubverbindung für Kraftstoffinjektor |
DE102007036571B3 (de) * | 2007-08-03 | 2009-04-02 | Continental Automotive Gmbh | Injektor und Vorrichtung mit einem Gefäß und einem das Gefäß umschließenden Gehäuse |
DE102008042154A1 (de) * | 2008-09-17 | 2010-03-18 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
EP2336548B1 (de) * | 2009-12-17 | 2012-07-25 | Delphi Technologies Holding S.à.r.l. | Befestigungselement |
DE102012217991A1 (de) | 2012-10-02 | 2014-04-03 | Continental Automotive Gmbh | Düsenbaugruppe für einen Fluidinjektor und Fluidinjektor |
-
2012
- 2012-10-02 DE DE102012217991.7A patent/DE102012217991A1/de not_active Ceased
-
2013
- 2013-09-25 US US14/432,555 patent/US10107246B2/en active Active
- 2013-09-25 WO PCT/EP2013/069988 patent/WO2014053375A1/de active Application Filing
- 2013-09-25 EP EP13766353.0A patent/EP2904259B1/de active Active
- 2013-09-25 CN CN201380051812.2A patent/CN104685202B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014053375A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2904259B1 (de) | 2017-11-15 |
CN104685202B (zh) | 2017-07-04 |
CN104685202A (zh) | 2015-06-03 |
DE102012217991A1 (de) | 2014-04-03 |
WO2014053375A1 (de) | 2014-04-10 |
US20150240770A1 (en) | 2015-08-27 |
US10107246B2 (en) | 2018-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2047148B1 (de) | Dichtungsanordnung | |
EP1076772A1 (de) | Kraftstoffeinspritzdüse für eine brennkraftmaschine | |
WO2005052354A1 (de) | Kraftstoff-einspritzvorrichtung, insbesondere für eine brennkraftmaschine mit kraftstoff-direkteinspritzung, sowie verfahren zu ihrer herstellung | |
EP2904259B1 (de) | Düsenbaugruppe für einen fluidinjektor und fluidinjektor | |
WO2004001219A1 (de) | Kraftstoffeinspritzventil für brennkraftmaschinen | |
DE102008008435A1 (de) | Federbelastetes Ventil und Verfahren zur Einstellung einer Ventilbaugruppe eines federbelasteten Ventils | |
WO2005108773A1 (de) | Einspritzventil für brennkraftmaschinen | |
WO2004104406A1 (de) | Kraftstoffeinspritzventil für Brennkraftmaschinen | |
EP1062423B1 (de) | Kraftstoffeinspritzventil für brennkraftmaschinen | |
DE102012012422B4 (de) | Befestigungsanordnung einer Kraftstoffleitung an einem Injektor | |
DE102012210625A1 (de) | Schaltventil für einen Kraftstoffinjektor | |
DE102010030424A1 (de) | Steuerventil | |
EP1795743B1 (de) | Stabfilter | |
DE102010063246B4 (de) | Antriebsvorrichtung für ein Einspritzventil und Einspritzventil | |
DE102010031443A1 (de) | Hochdruckpumpe | |
DE102011086249A1 (de) | Kraftstoffinjektor | |
DE102010062077A1 (de) | Ventileinrichtung mit einem wenigstens abschnittsweise zylindrischen Bewegungselement | |
DE102010013265B4 (de) | Düsenbaugruppe für ein Einspritzventil und Einspritzventil | |
DE10218025B4 (de) | Drosseleinrichtung, insbesondere für eine Hochdruckkrafteinspritzeinrichtung für eine Brennkraftmaschine | |
WO2001002718A1 (de) | Kraftstoffeinspritzventil für brennkraftmaschinen | |
EP3314114B1 (de) | Kraftstoffinjektor | |
DE102006038533A1 (de) | Kraftstoff-Überströmventil, insbesondere zur Druckbegrenzung in einem Niederdruckbereich eines Kraftstoffsystems | |
WO2015086560A1 (de) | Verbindungsbereich zwischen einem hochdruckkanal und einer hochdruckkammer und kraftstoffeinspritzkomponente mit einem verbindungsbereich | |
DE102004060180B4 (de) | Düsenbaugruppe und Einspritzventil | |
DE10333786A1 (de) | Kraftstoff-Einspritzventil mit Brennraumdichtung |
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: 20150504 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20170412 |
|
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): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH Ref country code: AT Ref legal event code: REF Ref document number: 946549 Country of ref document: AT Kind code of ref document: T Effective date: 20171115 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502013008836 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20171115 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20171115 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: 20171115 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: 20171115 Ref country code: NO 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: 20180215 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: 20171115 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: 20171115 |
|
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: 20180215 Ref country code: RS 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: 20171115 Ref country code: HR 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: 20171115 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: 20180216 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: 20171115 |
|
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: 20171115 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: 20171115 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: 20171115 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: 20171115 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: 20171115 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502013008836 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM 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: 20171115 Ref country code: IT 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: 20171115 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: 20171115 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: 20171115 |
|
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 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 6 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT 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: 20171115 |
|
26N | No opposition filed |
Effective date: 20180817 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20171115 |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20171115 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20180925 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20180930 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
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: 20180925 |
|
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 NON-PAYMENT OF DUE FEES Effective date: 20180925 |
|
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: 20180930 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 |
|
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: 20180925 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 946549 Country of ref document: AT Kind code of ref document: T Effective date: 20180925 |
|
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: 20180925 |
|
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: 20171115 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20171115 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502013008836 Country of ref document: DE Owner name: VITESCO TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE |
|
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; INVALID AB INITIO Effective date: 20130925 Ref country code: MK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20171115 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL 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: 20171115 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: 20180315 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502013008836 Country of ref document: DE Owner name: VITESCO TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: VITESCO TECHNOLOGIES GMBH, 30165 HANNOVER, DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R084 Ref document number: 502013008836 Country of ref document: DE |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230530 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240930 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20240925 Year of fee payment: 12 |