EP2532877B1 - Fuel injection valve for combustion engines - Google Patents
Fuel injection valve for combustion engines Download PDFInfo
- Publication number
- EP2532877B1 EP2532877B1 EP12169087.9A EP12169087A EP2532877B1 EP 2532877 B1 EP2532877 B1 EP 2532877B1 EP 12169087 A EP12169087 A EP 12169087A EP 2532877 B1 EP2532877 B1 EP 2532877B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping nut
- region
- holding body
- fuel injection
- injection valve
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims description 30
- 238000002347 injection Methods 0.000 title claims description 29
- 239000007924 injection Substances 0.000 title claims description 29
- 238000002485 combustion reaction Methods 0.000 title claims description 14
- 230000004323 axial length Effects 0.000 claims description 4
- 239000011295 pitch Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/803—Fuel injection apparatus manufacture, repair or assembly using clamp elements and fastening means; e.g. bolts or screws
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8076—Fuel injection apparatus manufacture, repair or assembly involving threaded members
Definitions
- the invention relates to a fuel injection valve for internal combustion engines according to the preamble of claim 1, such as in EP 1 775 460 shown.
- Such a fuel injection valve is also from the DE 10 2008 001 330 A1 the applicant known. It comprises substantially on the combustion chamber of the internal combustion engine side facing a housed in a housing nozzle body in which a nozzle needle is guided up and down movable.
- the nozzle needle is at least indirectly axially braced together with the nozzle body by means of a clamping nut against a holding body arranged in the housing.
- the clamping nut has an internal thread as part of a threaded connection, which cooperates with a corresponding external thread on the holding body and in particular also forms a seal of the housing arranged in the region of the nozzle body fuel, which is meant when operating fuel injection valve under relatively high pressure, here a pressure of more than 1500bar, stands.
- the present invention seeks to further develop a fuel injection valve for internal combustion engines according to the preamble of claim 1 such that the threaded connection, which connects the clamping nut with the holding body and a seal of the housing after forms on the outside, so educate, that it is particularly dense, especially at relatively high fuel pressures.
- the invention is based on the idea of designing the threaded connection in such a way that at least two toothing regions with different thread dimensions are present which follow one another axially in the longitudinal direction of the housing. This makes it possible to optimize the respective toothed areas with regard to their specific properties or tasks. In particular, this makes it possible, for example, optimally form a first toothed area with respect to its tightness, while a second toothed area is optimized with respect to the relatively simple mounting of the clamping nut.
- a thread-free intermediate section is formed between the two toothed regions.
- This unthreaded intermediate section makes it possible, in particular, to manufacture the two toothing regions on the clamping nut or on the holding body relatively simply in terms of production technology.
- the axial length of the unthreaded intermediate region corresponds to the axial length of a first toothed region on the clamping nut, which is arranged on the side of the clamping nut facing the holding body.
- the second toothed region on the side of the clamping nut facing the nozzle body have the smaller thread diameter and a double number of teeth than the first toothed region.
- the wall thickness of the clamping nut in the second toothed region is greater than in the first toothed region. Due to the increased wall thickness of the clamping nut, the occurring compressive stresses can be absorbed particularly well, or a widening of the clamping nut due to the hydraulic pressure compared to the prior art is reduced, which increases the tightness of the second toothed region.
- Fig. 1 is a section of a fuel injection valve 100 according to the invention shown, as it is used for injecting fuel in a combustion chamber of an internal combustion engine, not shown, in particular a self-igniting internal combustion engine.
- the fuel injection valve 100 is part of a so-called common-rail injection system, in which each cylinder of the internal combustion engine, a separate, supplied by a common rail with fuel fuel injection valve 100 is assigned.
- the injection pressure of the fuel injection valve 100 is preferably more than 1500 bar.
- the fuel injection valve 100 has a housing 10, which is shown only in regions, in which, inter alia, an injection valve member (not shown), in particular in the form of a nozzle needle, is arranged to be movable up and down.
- a nozzle body 11 is arranged, which simultaneously forms the combustion chamber of the internal combustion engine facing the end of the fuel injection valve 100.
- the nozzle body 11 has a step 12 on its outer periphery.
- a throttle plate 13 is arranged, as well as on the nozzle body 11 side facing the throttle plate 13, a valve plate 14.
- a holding body 15 of the housing 10 against which the nozzle body eleventh , the throttle plate 13 and the valve plate 14 are axially braced.
- the axial clamping of the addressed components of the fuel injection valve 100 by means of a clamping nut 18, which has at its end facing the nozzle body 11 at its inner wall a diameter stage 19 which rests flush against the step 12 of the nozzle body 11.
- the Fig. 1 is formed between the holding body 15 and the clamping nut 18, a threaded connection 20.
- the threaded connection 20 has a first toothed region 21 on the side facing away from the nozzle body 11 and a second toothed region 22 on the side facing the nozzle body 11.
- a first toothed region 21 on the side facing away from the nozzle body 11
- a second toothed region 22 on the side facing the nozzle body 11.
- the intermediate region 23 is formed in the region of the holding body 15 as a cylindrical portion 17 with a continuous same outer diameter.
- two sections 24, 25 are formed, each of which is cylindrical, wherein the section 24 facing the first gear section 21 has a larger inner diameter than that of the second gear section 22 facing portion 25.
- the two portions 24, 25 in about the same length, z. B. each about 2mm, formed.
- the second toothed region 22 is located near the lower end face 26 of the holding body 15 in the region of the holding body 15 on the side facing the valve plate 14.
- FIG. 2 to 4 different phases of the assembly process of the clamping nut 18 are shown on the holding body 15.
- the state is shown in which the first toothed region 21 of the clamping nut 18 is located in the region of the second toothed region 22 of the holding body 15.
- a gap 27 is formed between the teeth of the second toothed region 22 of the holding body 15.
- the state is shown in which the first toothed region 21 of the clamping nut 18 in the region of the first toothed region 21 of the holding body 15 arrived. It is essential that at the beginning of the engagement of the thread of the first toothed portion 21 of the clamping nut 18 in the first gear portion of the holding body 15, the output of the winding of the first toothed portion 21 of the clamping nut 18 is still in abutting contact with the second toothed portion 22 of the holding body 15. As a result, the first toothed region 21 of the clamping nut 18 is always in engagement with one of the two toothed regions 21, 22 of the holding body 15, so that slippage or falling through of the clamping nut 18 during assembly on the holding body 15 is avoided.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Die Erfindung betrifft ein Kraftstoffeinspritzventil für Brennkraftmaschinen nach dem Oberbegriff des Anspruchs 1, wie z.B. in
Ein derartiges Kraftstoffeinspritzventil ist auch aus der
Der Trend in der Kraftstoffeinspritztechnik geht zu immer höheren Kraftstoffeinspritzdrücken zur Erzielung besserer Wirkungsgrade bzw. eines geringeren Verbrauchs. Dadurch sind auch die Anforderungen an die Dichtigkeit des Gehäuses, im vorliegenden Fall insbesondere im Bereich der Gewindeverbindung, immer höher.The trend in fuel injection technology is towards ever higher fuel injection pressures to achieve better efficiencies or lower consumption. As a result, the requirements for the tightness of the housing, in the present case in particular in the field of threaded connection, always higher.
Ausgehend von dem dargestellten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Kraftstoffeinspritzventil für Brennkraftmaschinen nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass dessen Gewindeverbindung, die die Spannmutter mit dem Haltekörper verbindet und eine Abdichtung des Gehäuses nach außen hin ausbildet, derart weiterzubilden, dass diese besonders dicht ist, insbesondere bei relativ hohen Kraftstoffdrücken.Based on the illustrated prior art, the present invention seeks to further develop a fuel injection valve for internal combustion engines according to the preamble of claim 1 such that the threaded connection, which connects the clamping nut with the holding body and a seal of the housing after forms on the outside, so educate, that it is particularly dense, especially at relatively high fuel pressures.
Diese Aufgabe wird bei einem Kraftstoffeinspritzventil für Brennkraftmaschinen mit den Merkmalen des Anspruchs 1 gelöst. Der Erfindung liegt dabei die Idee zugrunde, die Gewindeverbindung derart auszubilden, dass wenigstens zwei Verzahnungsbereiche mit unterschiedlichen Gewindeabmessungen vorhanden sind, die sich in Längsrichtung des Gehäuses axial hintereinander anschließen. Dadurch wird es ermöglicht, die jeweiligen Verzahnungsbereiche hinsichtlich ihrer spezifischen Eigenschaften bzw. Aufgaben zu optimieren. Insbesondere wird es dadurch ermöglicht, beispielsweise einen ersten Verzahnungsbereich hinsichtlich seiner Dichtigkeit optimal auszubilden, während ein zweiter Verzahnungsbereich hinsichtlich der relativ einfachen Montage der Spannmutter optimiert wird.This object is achieved in a fuel injection valve for internal combustion engines with the features of claim 1. The invention is based on the idea of designing the threaded connection in such a way that at least two toothing regions with different thread dimensions are present which follow one another axially in the longitudinal direction of the housing. This makes it possible to optimize the respective toothed areas with regard to their specific properties or tasks. In particular, this makes it possible, for example, optimally form a first toothed area with respect to its tightness, while a second toothed area is optimized with respect to the relatively simple mounting of the clamping nut.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Kraftstoffeinspritzventils sind in den Unteransprüchen angegeben. In den Rahmen der Erfindung fallen sämtliche Kombinationen aus zumindest zwei von in den Ansprüchen, der Beschreibung und/oder den Figuren offenbarten Merkmalen.Advantageous developments of the fuel injection valve according to the invention are specified in the subclaims. All combinations of at least two of the features disclosed in the claims, the description and / or the figures fall within the scope of the invention.
In konstruktiv bevorzugter Ausgestaltung wird vorgeschlagen, dass zwischen den beiden Verzahnungsbereichen ein gewindefreier Zwischenabschnitt ausgebildet ist. Dieser gewindefreie Zwischenabschnitt ermöglicht insbesondere eine fertigungstechnisch relativ einfache Ausbildung der beiden Verzahnungsbereiche an der Spannmutter bzw. an dem Haltekörper.In a structurally preferred embodiment, it is proposed that a thread-free intermediate section is formed between the two toothed regions. This unthreaded intermediate section makes it possible, in particular, to manufacture the two toothing regions on the clamping nut or on the holding body relatively simply in terms of production technology.
Besonders bevorzugt ist eine Ausgestaltung, bei der sich die Gewindeabmessungen der beiden Verzahnungsbereiche in den Gewindedurchmessern und der Zähneanzahl unterscheiden, und dass die Steigung der Verzahnungsbereiche gleich groß ist. Mittels einer derartigen unterschiedlichen Ausbildung der Gewindeabmessungen wird zum einen die gewünschte Dichtigkeit erzielt, währen zum anderen eine problemlose Montage der Spannmutter an dem Haltekörper ermöglicht wird.Particularly preferred is an embodiment in which the thread dimensions of the two toothed areas in the thread diameters and the number of teeth differ, and that the pitch of the toothed portions is equal. By means of such a different design of the thread dimensions, on the one hand, the desired tightness is achieved while, on the other hand, a trouble-free assembly of the clamping nut on the holding body is made possible.
In besonders bevorzugter konstruktiver Ausgestaltung wird vorgeschlagen, dass die axiale Länge des gewindefreien Zwischenbereichs der axialen Länge eines ersten Verzahnungsbereichs an der Spannmutter entspricht, der auf der dem Haltekörper zugewandten Seite der Spannmutter angeordnet ist. Durch eine derartige Ausbildung wird beim Verschrauben der Spannmutter auf den Haltekörper stets eine Führung bzw. ein Eingriff der Spannmutter an dem Haltekörper in axialer Richtung ermöglicht.In a particularly preferred structural embodiment, it is proposed that the axial length of the unthreaded intermediate region corresponds to the axial length of a first toothed region on the clamping nut, which is arranged on the side of the clamping nut facing the holding body. By such a training is when screwing the clamping nut on the holder body always allows a guide or engagement of the clamping nut on the holding body in the axial direction.
Zur Erzielung der gewünschten erhöhten Dichtigkeit der Gewindeverbindung wird vorgeschlagen, dass der zweite Verzahnungsbereich auf der dem Düsenkörper zugewandten Seite der Spannmutter den kleineren Gewindedurchmesser und eine doppelte Zähnezahl aufweist wie der erste Verzahnungsbereich. Dadurch wird es auf besonders einfache Art und Weise gemäß einer weiteren Ausgestaltung der Erfindung ermöglicht, dass die Wanddicke der Spannmutter im zweiten Verzahnungsbereich größer ist als im ersten Verzahnungsbereich. Durch die erhöhte Wanddicke der Spannmutter können dabei besonders gut die auftretenden Druckspannungen aufgenommen werden bzw. es wird ein Aufweiten der Spannmutter infolge des hydraulischen Drucks gegenüber dem Stand der Technik reduziert, was die Dichtigkeit des zweiten Verzahnungsbereichs erhöht.In order to achieve the desired increased tightness of the threaded connection, it is proposed that the second toothed region on the side of the clamping nut facing the nozzle body have the smaller thread diameter and a double number of teeth than the first toothed region. This makes it possible in a particularly simple manner according to a further embodiment of the invention that the wall thickness of the clamping nut in the second toothed region is greater than in the first toothed region. Due to the increased wall thickness of the clamping nut, the occurring compressive stresses can be absorbed particularly well, or a widening of the clamping nut due to the hydraulic pressure compared to the prior art is reduced, which increases the tightness of the second toothed region.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawing.
Diese zeigt in:
- Fig. 1
- einen Teilausschnitt eines erfindungsgemäßen Kraftstoffeinspritzventils für Brennkraftmaschinen in einem Teillängsschnitt und
- Fig. 2 bis 4
- das Detail X gemäß der
Fig. 1 im Verschraubungsbereich einer Spannmutter mit einem Haltekörper während verschiedener Phasen der Verschraubung der Spannmutter mit dem Haltekörper, in jeweils vergrößerter Ansicht.
- Fig. 1
- a partial section of a fuel injection valve according to the invention for internal combustion engines in a partial longitudinal section and
- Fig. 2 to 4
- the detail X according to the
Fig. 1 in the screwing of a clamping nut with a holding body during different phases of screwing the clamping nut with the holding body, in each enlarged view.
In der
Das Kraftstoffeinspritzventil 100 weist ein lediglich bereichsweise dargestelltes Gehäuse 10 auf, in dem unter anderem ein nicht dargestelltes Einspritzventilglied, insbesondere in Form einer Düsennadel, auf- und abbeweglich angeordnet ist. Innerhalb des Gehäuses 10 ist ein Düsenkörper 11 angeordnet, der gleichzeitig das dem Brennraum der Brennkraftmaschine zugewandte Ende des Kraftstoffeinspritzventils 100 ausbildet. Der Düsenkörper 11 weist an seinem Außenumfang eine Stufe 12 auf. In der Darstellung der
Hinsichtlich des weiteren Aufbaus eines Kraftstoffeinspritzventils 100 sowie dessen Funktionsweise wird auf die
Im Bereich des Details X der
Während der erste Verzahnungsbereich 21 im Bereich der Spannmutter 18 an dem dem Düsenkörper 11 abgewandten Ende der Spannmutter 18 angeordnet ist, befindet sich der zweite Verzahnungsbereich 22 im Bereich des Haltekörpers 15 auf der der Ventilplatte 14 zugewandten Seite nahe der unteren Stirnfläche 26 des Haltekörpers 15.While the first
Der erste Verzahnungsbereich 21, der am Haltekörper 15 als Außengewinde ausgebildet ist, weist ein Gewinde mit der Dimensionierung M17 x 0,75mm auf, während der zweite Verzahnungsbereich 22 am Haltekörper 15 als Außengewinde mit einer Dimensionierung von M16 x 0,75mm ausgebildet ist. Weiterhin weist der als Innengewinde ausgebildete erste Verzahnungsbereich 21 an der Spannmutter 18 die halbe Zähnezahl des zweiten Verzahungsbereichs 22 an der Spannmutter 18 auf.The first
Wie man insbesondere anhand der
In den
In der
Aus einer Zusammenschau der
Claims (8)
- Fuel injection valve (100) for internal combustion engines, having a housing (10) in which a nozzle body (11) is at least indirectly axially clamped against a holding body (15) by means of a clamping nut (18), wherein the clamping nut (18) radially surrounds the nozzle body (11), and wherein a threaded connection (20) between the holding body (15) and the clamping nut (18) is formed between the clamping nut (18) and the holding body (15) in a region which is axially spaced apart from the nozzle body (11),
characterized
in that the threaded connection (20) comprises at least two toothing regions (21, 22) which have different threaded dimensions and are arranged axially one behind the other in the longitudinal direction of the housing (10), and in that the thread dimensions differ in the thread diameters and the number of teeth, and the pitches of the toothing regions (21, 22) are of equal size. - Fuel injection valve according to Claim 1,
characterized
in that a thread-free intermediate region (23) is formed between the two toothing regions (21, 22). - Fuel injection valve according to Claim 1 or 2,
characterized
in that the axial length (LZB) of the thread-free intermediate region (23) on the holding body (15) corresponds to the axial length (L1) of a first toothing region (21) on the clamping nut (18), which toothing region (21) is arranged on the side of the clamping nut (18) facing the holding body (15) . - Fuel injection valve according to Claim 3,
characterized
in that a second toothing region (22) has on the holding body (15) and on the clamping nut (18), on the side facing the nozzle body (11), the smaller thread diameter and twice the number of teeth compared to the first toothing region (21). - Fuel injection valve according to Claim 4,
characterized
in that the wall thickness (A) of the clamping nut (18) in the second toothing region (22) is larger than the wall thickness (a) in the first toothing region (21). - Fuel injection valve according to one of Claims 1, 3, 4 or 5,
characterized
in that the first toothing region (21) on the holding body (15) is formed as an external thread with the dimensions M17 x 0.75 mm, and the second toothing region (22) on the holding body (15) is formed as an external thread with the dimensions M16 x 0.75 mm. - Fuel injection valve according to one of Claims 3 to 6,
characterized
in that, in the screwed end position of the clamping nut (18), the second toothing region (22) on the holding body (15) is covered at least virtually completely by the second toothing region (22) of the clamping nut (18). - Fuel injection valve according to one of Claims 1 to 7,
characterized
in that further components, in particular a throttle plate (13) and a valve plate (14), are arranged between the holding body (15) and the nozzle body (11) in the housing (10).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110076957 DE102011076957A1 (en) | 2011-06-06 | 2011-06-06 | Fuel injection valve for internal combustion engines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2532877A1 EP2532877A1 (en) | 2012-12-12 |
EP2532877B1 true EP2532877B1 (en) | 2015-07-29 |
Family
ID=46168230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12169087.9A Active EP2532877B1 (en) | 2011-06-06 | 2012-05-23 | Fuel injection valve for combustion engines |
Country Status (3)
Country | Link |
---|---|
US (1) | US8833735B2 (en) |
EP (1) | EP2532877B1 (en) |
DE (1) | DE102011076957A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012208075A1 (en) * | 2012-05-15 | 2013-11-21 | Man Diesel & Turbo Se | Injector for a fuel supply system of an internal combustion engine and fuel supply system |
JP6406118B2 (en) * | 2015-05-07 | 2018-10-17 | 株式会社デンソー | Fuel injection device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10044933A1 (en) * | 2000-09-12 | 2002-03-21 | Bosch Gmbh Robert | Fuel injection valve for internal combustion engines |
JP3928362B2 (en) * | 2001-02-14 | 2007-06-13 | 株式会社デンソー | Structure to improve seal surface pressure of fluid transfer device |
DE10121531A1 (en) * | 2001-05-03 | 2002-11-14 | Siemens Ag | fuel injector |
DE10133167A1 (en) | 2001-07-07 | 2003-01-23 | Bosch Gmbh Robert | High-pressure fuel device |
DE10155413A1 (en) * | 2001-11-10 | 2003-05-22 | Bosch Gmbh Robert | Valve for controlling liquids |
DE10250720A1 (en) * | 2002-10-31 | 2004-05-13 | Robert Bosch Gmbh | Injector |
DE102005020833A1 (en) * | 2005-05-04 | 2006-11-09 | Robert Bosch Gmbh | Modular jet for automotive fuel injection system has modular components held in line by threaded nuts |
DE102005049540A1 (en) * | 2005-10-17 | 2007-04-19 | Robert Bosch Gmbh | Fuel injection valve with a marking as a positioning aid |
DE102008001330A1 (en) | 2008-04-23 | 2009-10-29 | Robert Bosch Gmbh | Fuel injection valve for internal combustion engines |
-
2011
- 2011-06-06 DE DE201110076957 patent/DE102011076957A1/en not_active Withdrawn
-
2012
- 2012-05-23 EP EP12169087.9A patent/EP2532877B1/en active Active
- 2012-06-06 US US13/490,034 patent/US8833735B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8833735B2 (en) | 2014-09-16 |
DE102011076957A1 (en) | 2012-12-06 |
EP2532877A1 (en) | 2012-12-12 |
US20120305823A1 (en) | 2012-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2163773B1 (en) | Self-centring screw | |
DE102007036733A1 (en) | Threaded bolt and method for its production | |
EP2010779B1 (en) | Device for securing high-pressure lines to a high pressure accumulator | |
DE102007019061B4 (en) | Headless screw connection | |
AT509177B1 (en) | PRESSURE TUBE FITTINGS FOR COMMON RAIL INJECTION SYSTEM | |
EP2532877B1 (en) | Fuel injection valve for combustion engines | |
EP1775460B1 (en) | Fuel injection valve | |
DE102019108382A1 (en) | Upper part of housing for high pressure filter and high pressure filter | |
DE102011075611A1 (en) | Actuator for motor vehicle lock, particularly motor vehicle door lock, comprises Bowden cable, which has core with connecting piece, which is connected with auxiliary component, particularly spindle by screw connection with thread | |
EP2592260B1 (en) | Fuel injector, method for the assembly of a fuel injector and tensioning device for mounting of a fuel injector | |
DE102006014767A1 (en) | Fuel injection device for multi-cylinder internal-combustion engine, has hydraulic line whose length between high-pressure pump and injector is larger than distance between pump and injector, and distance between two adjacent injectors | |
DE102009009851A1 (en) | Ball nut for a ball screw drive | |
WO2014026846A1 (en) | Thread connection for connecting components conducting high pressure medium | |
DE102019218637A1 (en) | Spindle drive and method for assembling a spindle drive | |
DE102005063545B4 (en) | Flow limiter for high pressure screw connection with common-rail-injection system`s sealing surface, has throttle hole arranged at funnel point, where inner and outer surface of funnel corresponds with sealing surface of screw connection | |
DE202007010417U1 (en) | Device for receiving a hydraulic fluid within a motor vehicle hydralic system | |
DE102006053028A1 (en) | Fuel supply system i.e. common rail fuel supply system for ship-diesel internal-combustion engine, has recess of pressure screws of curved fuel pipe exhibiting expansion at end, which is opposite to end having external thread | |
WO2003098030A1 (en) | Connecting assembly comprising an integrated restrictor | |
EP1771655B1 (en) | Adjusting nut | |
DE102008057699A1 (en) | high pressure pump | |
DE102008057700A1 (en) | high pressure pump | |
DE102012004935B4 (en) | Common rail | |
EP1793119A1 (en) | Fuel-injection unit for an internal combustion engine | |
DE102008001016A1 (en) | Fuel injection pump for use in internal combustion engine, has contact surface located within cylindrical sleeve surface and restored with respect to guide borehole, where contact surface cooperates with safety element engaged into borehole | |
DE102011077266B4 (en) | injector |
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): 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 |
|
17P | Request for examination filed |
Effective date: 20130612 |
|
RBV | Designated contracting states (corrected) |
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 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20150507 |
|
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: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 739509 Country of ref document: AT Kind code of ref document: T Effective date: 20150815 |
|
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: 502012003904 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20150729 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20151029 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: 20151030 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: 20150729 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: 20150729 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: 20150729 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20150729 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: 20151130 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: 20151129 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: 20150729 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: 20150729 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: 20150729 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: 20150729 |
|
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: 20150729 |
|
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: 20150729 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: 20150729 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: 20150729 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: 20150729 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502012003904 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 5 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20150729 |
|
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: 20160502 |
|
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: 20150729 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160531 |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160523 |
|
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: 20160523 |
|
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: 20160531 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160531 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
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: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160523 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160523 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 7 |
|
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: 20150729 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: 20150729 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: 20120523 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK 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: 20150729 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: 20150729 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: 20150729 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: 20150729 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 739509 Country of ref document: AT Kind code of ref document: T Effective date: 20170523 |
|
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: 20150729 |
|
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: 20170523 |
|
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: 20150729 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20230531 Year of fee payment: 12 Ref country code: FR Payment date: 20230517 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20230726 Year of fee payment: 12 |