EP3077146A1 - Verfahren und vorrichtung zum herstellen eines düsenkörpers - Google Patents
Verfahren und vorrichtung zum herstellen eines düsenkörpersInfo
- Publication number
- EP3077146A1 EP3077146A1 EP14809346.1A EP14809346A EP3077146A1 EP 3077146 A1 EP3077146 A1 EP 3077146A1 EP 14809346 A EP14809346 A EP 14809346A EP 3077146 A1 EP3077146 A1 EP 3077146A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cathode
- nozzle body
- machining operation
- conductive component
- electrochemical machining
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/14—Etching locally
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H2300/00—Power source circuits or energization
- B23H2300/10—Pulsed electrochemical machining
-
- 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
Definitions
- the invention relates to a method and an apparatus for producing a nozzle body, in which a raw nozzle body is processed by means of an electrochemical machining operation.
- Internal combustion engines are often designed to produce high torques requiring large injection quantities.
- legal regulations regarding the permissible pollutant emissions of internal combustion engines, which are arranged in motor vehicles, require various measures to be taken by which the pollutant emissions are reduced.
- One starting point here is to reduce the pollutant emissions generated by the internal combustion engine.
- the invention is characterized by a method of producing a nozzle body in which a raw nozzle body is provided which has a central axis and a first and a second axial end with respect to the central axis. Starting from the first axial end, a Rohaus basicallyung is introduced into the Rohdüsen redesign, in particular drilled, so that a Rohwandung between the RohausEnglishung and an outer region of the Rohdüsen emotionss is formed.
- an electrochemical machining operation which comprises electrochemical removal, at least part of a contour of the
- Electrochemical removal is also referred to as the ECM process, which is an abbreviation of the English term Electro Chemical Machining (ECM).
- ECM Electro Chemical Machining
- Further embodiments of the electrochemical ablation are the PECM and the PEM method, the abbreviations designating the English terms Pulsed Electro Chemical Machining (PECM) and Precise Electro Chemical Machining (PEM).
- PECM Pulsed Electro Chemical Machining
- PEM Precise Electro Chemical Machining
- the coaxiality error is representative of a deviation of the coaxiality of individual regions of the nozzle body, for example with respect to a central axis of the nozzle body.
- the smaller the coaxial error the higher the symmetry of the nozzle body, which has a positive effect on the flow behavior of the fluid flowing through and keeps the pollutant emissions low.
- electrochemical machining ⁇ processing operation it is possible by means of electrochemical machining ⁇ processing operation to edit areas of the nozzle body, which can not be processed as part of a grinding process and can only be accessed by an electrochemical machining process.
- the electrochemical machining process allows the raw nozzle body to be processed both in a soft state and in a hard state, since no mechanical contact between the raw nozzle body and the cathode is necessary.
- the electrochemical machining process comprises providing an electrolyte and a cathode and introducing the cathode into the raw cavity and introducing the electrolyte into at least a portion of the remaining free volume of the crude cavity.
- the introduction of the cathode and the electrolyte does not necessarily have to be carried out in this order, but can also take place in the reverse order or simultaneously.
- the electrochemical machining operation optionally includes applying a predetermined voltage waveform applied between the cathode and the green nozzle body.
- the Rohdüsen endeavor is an anode and the electrochemical processing operation is set by a potential difference between the cathode and the anode in motion.
- the Rohwandungs of the Rohdüsen emotionss can be processed electrochemically within the RohausEnglishung in at least a portion.
- part of the material of the raw nozzle body goes into solution.
- the cathode is hardly worn out as a tool and it is possible to produce a large number of nozzle bodies with a substantially constant internal geometry.
- a further finding in the context of the invention is that wear and a guiding accuracy of a nozzle needle in a nozzle body are inter alia dependent on the surface quality of the internal geometry of nozzle bodies.
- the application of the predetermined voltage curve comprises a pulsed voltage curve. This leads to an even more precise finishing or fine machining of the raw wall of the raw nozzle body. Such a procedure is referred to as the PECM method. By the occurring pauses between the voltage pulses, a better rinsing and cooling effect of the electrolyte can be achieved.
- part of the contour of the raw wall is adapted in the context of the electrochemical machining operation such that a blind hole is formed. Due to the electrochemical machining process, it is possible to process areas of the RohausEnglishung, which are previously not accessible by other processing methods, for example by a grinding process. In this way, the end of the drilled RohausEnglishung the Rohdüsen stressess can be post-processed or finished as a precursor of the blind hole and thus formed the blind hole of the nozzle body.
- part of the contour of the blank wall is adapted in the context of the electrochemical machining operation such that a seating area for a nozzle needle is formed.
- the seating area has a receiving off distance toward the central axis toward the second axial end of the Rohdüsen stressess and can thus play run conically at ⁇ . If the seating area for the nozzle needle is formed by grinding, a hardening of the raw nozzle body is required beforehand. By means of the electrochemical machining process, the seating area can be both in one
- Soft state can be formed or post-processed in a hard state of the Rohdüsen stresses.
- a part of the contour of the raw wall is adapted such that a guide region is formed for guiding a nozzle needle. In this way, the guide area can be processed alternatively or in addition to a previous grinding process.
- the cathode is provided together with a non-conductive component.
- the cathode is supported with the non-conductive component to the Rohdüsen redesign.
- the investment of the cathode with the non-conductive component on the Rohdüsen redesign allows a more accurate and stable Posi ⁇ tioning of the tool and thereby a more precise reworking of the Rohdüsen emotionss.
- the cathode has an axially penetrating cathode recess relative to the central axis. In this way can be introduced through the Kathodenaus ⁇ recess in at least a portion of the remaining free volume of the RohausEnglishung during the electrochemical machining operation the electrolyte.
- the provided cathode is set in oscillation in the context of the electrochemical machining operation in relation to the central axis in rotation and / or in the axial direction.
- This reworking by means of a rotating and / or oscillating cathode allows a better media exchange of the electrolyte and thus a better rinsing effect by the movements of the tool, which contributes to a precise reworking.
- the raw nozzle body is hardened prior to the electrochemical machining operation and, by means of a grinding process, at least part of the contour of the raw wall of the raw nozzle body is ground inside the pipe recess.
- the grinding process allows for the production of a nozzle body forming the guide portion and / or the seating area, but due to the geometry and to ⁇ accessibility is not an edit or forming the blind hole.
- mounds are formed at an abrasive outlet of the seating area, which adversely affect the flow behavior of a fluid flowing through ⁇ and the functionality of the nozzle body. These jellies can in turn be removed by means of the electrochemical machining process.
- the non-conductive component has a component recess which penetrates axially relative to the central axis and in which the cathode is arranged to be axially movable with respect to the central axis. Furthermore, the non-conductive component has a seat. As part of the electrochemical machining operation, the seat of the non-conductive component is brought into abutment with the seating area and the cathode is guided inside the component recess of the non-conductive component. In this way, a part of the contour of the Rohwandung is adjusted so that a blind hole is formed.
- the cathode By positioning the non-conductive component with the seat on the seating area of the raw nozzle body, the cathode can be exactly centered within the RohausEnglishung and so the blind hole can be precisely reworked.
- at least one injection hole is introduced in the area of the blind hole and / or the seat area before the electrochemical machining operation, which penetrates the raw wall of the raw nozzle body from the RohausEnglishung into the outer area of the raw nozzle body.
- the input edges of the injection hole are also rounded in this context. In this way, the electrochemical machining operation can be used in addition to the processing of the surface of RohausEnglishung the Rohdüsen stressess at the same time to another purpose.
- an apparatus for producing a nozzle body is designed to carry out a method as described above.
- an apparatus for processing a workpiece comprises an electrode, in particular a
- the electrode has a central axis.
- the nonconducting component has a component recess which penetrates axially relative to the center axis and in which the electrode is arranged to be axially movable with respect to the central axis.
- the electrode is guided through the Components ⁇ tenausström foundedung, as a tool which is advantageous for positioning the electrode and allows for precise machining of the workpiece.
- the non-conductive component has a seat with which the non-conductive component is brought into contact with the workpiece to be machined in the course of a machining operation.
- the non-conductive component has a stop for the electrode. In this way it can be ensured that the movable electrode does not come into contact with the workpiece to be machined.
- FIG. 1 shows a tube body
- FIG. 2 embodiment of a cathode with a non-conductive
- FIG. 3 embodiment of a cathode in a raw nozzle body
- Figure 5 shows a Rohdüsen Economics with injection holes.
- FIG. 6 shows a nozzle body
- a raw nozzle body 1 ( Figure 1) has a RohausEnglishung 5, which has been drilled for example in the Rohdüsen endeavor 1. As a result, a raw wall 7 was formed. As part of a elekt ⁇ Roche mix machining operation is from the 5 RohausEnglishung a recess made from the Rohwandung 7 and a wall from the Rohdüsen endeavor 1, a nozzle body.
- the raw nozzle body 1 ( Figure 2) has a central axis 3 and a cathode 23 is together with a non-conductive component 32 arranged within the RohausEnglishung.
- the non-conductive component 32 has a seat 17 which rests within the RohausEnglishung 5 in abutment against a seating area 13.
- the non-conductive component 32 has a penetrating component recess 34, in which the cathode 23 is arranged to be axially movable with respect to the central axis 3.
- the cathode 23 has a cathode recess 33, which is formed axially penetrating.
- an electrochemical Bear ⁇ beitungsvorgangs nozzle body 1 Material is electrochemically removed and formed as a blind hole 11 of the nozzle body within the RohausEnglishung 5 of the raw materials.
- the cathode 23 is supported on the raw nozzle body 1 as a tool with the nonconducting component 32 in the crude chamber 5, while the cathode 23 penetrates the nonconductive component 32 axially with respect to the central axis 3 and projects into an end region of the RohausEnglishung 5.
- a stop 36 for the axially movable cathode 23 is formed in the component recess 34.
- the raw nozzle body 1 is the workpiece to be machined and functions as an anode in the context of an ECM (Electro Chemical Machining) or PECM (Pulsed Electrochemical Machining) or PEM (Precise Electrochemical Machining) process.
- ECM Electro Chemical Machining
- PECM Pulsed Electrochemical Machining
- PEM Pulrecise Electrochemical Machining
- the cathode 23 (FIG. 3) is arranged inside the tube recess 5 of the raw nozzle body 1 and projects from a first axial end up to a second axial end of the tube nozzle body 1 into the tube recess 5. It has no non-conductive component 32 within the RohausEnglishung 5. Furthermore, the cathode 23 is in this embodiment
- the stop 36 may be formed as an insulating or non-conductive element or as a non-conductive component 32 outside the RohausappelEnglishung 5.
- a short circuit between the cathode 23 and the raw nozzle body 1 can be prevented in the context of the electrochemical machining operation.
- a contour of the raw wall 7 within the RohausEnglishung 5 in several sub-areas can be adjusted simultaneously in this way. For example, in this case, the blind hole 11 and the seat portion 13 of the nozzle body are formed simultaneously with the cathode 23.
- the cathode 23 ( Figure 4) is T-shaped, but has in its geometry, in contrast to Figure 3, within the Rohaus necessarilyung 5 a region in which the cathode 23 increases radially.
- the radial increase extends to just before the Rohwandung 7 of the Rohdüsen emotionss 1, so that the cathode 23 from there on with a constant radius continues to be cylindrical.
- This region in which the cathode 23 has a larger radius is the first axial end of the Rohdüsen emotionss first facing, so that in the context of the electrochemical machining ⁇ processing operation in this area, the contour of the Rohwandung 7 RohausEnglishung 5 is adjusted such that the guide portion 15 of the nozzle body is formed.
- the raw nozzle body 1 (FIG. 5), in comparison to the raw nozzle bodies of the preceding exemplary embodiments, has injection holes 9, which penetrate the green wall 7 from the RohausEnglishung 5 into an outer region of the raw nozzle body 1.
- the A ⁇ injection holes 9 are arranged in the region of the RohausEnglishung 5, in which 11 of the nozzle body is formed by the electrochemical machining operation, the blind hole. If the injection holes 9 have been introduced into the raw nozzle body 1 before the electrochemical machining operation, the input edges of the injection holes 9 are rounded in the course of the electrochemical machining operation. In this way, the elekt ⁇ rochemische machining process is used in addition to editing the contour of RohausEnglishung 5 for a further purpose.
- a nozzle body is thus produced with injection holes 9, in which the input edges of the injection holes 9 are rounded.
- the rounding of the input edges of the injection holes 9 also has a positive effect on the Flow characteristics of a fluid flowing through and helps to minimize the occurrence of turbulence.
- the nozzle body (FIG. 6) is produced from the raw nozzle body 1.
- the nozzle body comprises the guide region 15, the seating area 13 and the blind hole 11.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013225018.5A DE102013225018B4 (de) | 2013-12-05 | 2013-12-05 | Verfahren zum Herstellen eines Düsenkörpers |
| PCT/EP2014/076363 WO2015082524A1 (de) | 2013-12-05 | 2014-12-03 | Verfahren und vorrichtung zum herstellen eines düsenkörpers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3077146A1 true EP3077146A1 (de) | 2016-10-12 |
Family
ID=52016057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14809346.1A Ceased EP3077146A1 (de) | 2013-12-05 | 2014-12-03 | Verfahren und vorrichtung zum herstellen eines düsenkörpers |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160311043A1 (de) |
| EP (1) | EP3077146A1 (de) |
| CN (1) | CN105829001B (de) |
| DE (1) | DE102013225018B4 (de) |
| WO (1) | WO2015082524A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017210709A1 (de) | 2016-06-09 | 2017-12-14 | Ritter & Stark Gmbh | Konfigurationsanordnung der apparatur für die herstellung der züge in läufen von feuerwaffen mittels pecm verfahren |
| CN114228064B (zh) * | 2022-02-21 | 2022-05-06 | 赫比(成都)精密塑胶制品有限公司 | 点浇口加工方法、点浇口加工设备及具有该点浇口的模具 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1615168A1 (de) * | 1965-06-14 | 1970-05-06 | Cincinnati Milling Machine Co | Elektroerosionsmaschine |
| JPS60217024A (ja) * | 1984-04-10 | 1985-10-30 | Nissan Motor Co Ltd | 燃料噴射ノズルの製造方法 |
| US4703142A (en) * | 1986-05-01 | 1987-10-27 | Ex-Cell-O Corporation | Method of combining grinding and EDM operation for finishing fuel injector nozzle bodies |
| EP0136962B1 (de) * | 1983-07-26 | 1988-10-19 | United Technologies Corporation | Elektrochemische Bearbeitung von metallokeramischem Material unter Verwendung einer porösen Elektrode |
| DE4038584A1 (de) * | 1990-12-04 | 1992-06-11 | Wolfgang Mattiske | Vorrichtung zum elektrochemischen signieren |
| DE102004040217A1 (de) * | 2004-08-19 | 2006-03-02 | Mtu Aero Engines Gmbh | Elektrode zum elektrochemischen Senken |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639568A (en) * | 1984-07-13 | 1987-01-27 | Ex-Cell-O Corporation | Apparatus and method for finishing fuel injector spray tips using EDM |
| US4721839A (en) * | 1986-05-22 | 1988-01-26 | Ex-Cell-O Corporation | Combined bore seat face grinding, EDM and lapping method for finishing fuel injector nozzle bodies |
| US5026462A (en) * | 1990-03-06 | 1991-06-25 | Ail Corporation | Method and apparatus for electrochemical machining of spray holes in fuel injection nozzles |
| US5206462A (en) * | 1990-07-13 | 1993-04-27 | Sumitomo Wiring System Ltd. | Flat multicore wire and method of forming the same wire |
| US6110350A (en) * | 1997-11-20 | 2000-08-29 | General Electric Company | Method and apparatus for electrochemically deburring a diesel injector nozzle |
| US6402931B1 (en) * | 1998-05-18 | 2002-06-11 | Faraday Technology Marketing Group, Llc | Electrochemical machining using modulated reverse electric fields |
| JP3991211B2 (ja) * | 2001-10-22 | 2007-10-17 | 株式会社デンソー | 放電加工装置および放電加工方法 |
| EP1629922A1 (de) * | 2004-08-26 | 2006-03-01 | Delphi Technologies, Inc. | Vorrichtung und Verfahren zur Bearbeitung einer Kraftstoffeinspritzdüse. |
| DE102005027844A1 (de) * | 2005-06-16 | 2006-12-28 | Robert Bosch Gmbh | Werkzeug zur elektro-chemischen Bearbeitung einer Kraftstoff-Einspritzvorrichtung |
| DE102005049534A1 (de) * | 2005-10-17 | 2007-04-19 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Bearbeitung eines Düsenkörpers für ein Kraftstoffeinspritzventil |
| DE102011014364A1 (de) * | 2011-03-17 | 2012-09-20 | Stoba Präzisionstechnik Gmbh & Co. Kg | Verfahren und Vorrichtung zum elektrochemischen Bearbeiten von Werkstücken |
-
2013
- 2013-12-05 DE DE102013225018.5A patent/DE102013225018B4/de active Active
-
2014
- 2014-12-03 CN CN201480066366.7A patent/CN105829001B/zh active Active
- 2014-12-03 WO PCT/EP2014/076363 patent/WO2015082524A1/de not_active Ceased
- 2014-12-03 EP EP14809346.1A patent/EP3077146A1/de not_active Ceased
- 2014-12-03 US US15/101,973 patent/US20160311043A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1615168A1 (de) * | 1965-06-14 | 1970-05-06 | Cincinnati Milling Machine Co | Elektroerosionsmaschine |
| EP0136962B1 (de) * | 1983-07-26 | 1988-10-19 | United Technologies Corporation | Elektrochemische Bearbeitung von metallokeramischem Material unter Verwendung einer porösen Elektrode |
| JPS60217024A (ja) * | 1984-04-10 | 1985-10-30 | Nissan Motor Co Ltd | 燃料噴射ノズルの製造方法 |
| US4703142A (en) * | 1986-05-01 | 1987-10-27 | Ex-Cell-O Corporation | Method of combining grinding and EDM operation for finishing fuel injector nozzle bodies |
| DE4038584A1 (de) * | 1990-12-04 | 1992-06-11 | Wolfgang Mattiske | Vorrichtung zum elektrochemischen signieren |
| DE102004040217A1 (de) * | 2004-08-19 | 2006-03-02 | Mtu Aero Engines Gmbh | Elektrode zum elektrochemischen Senken |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2015082524A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013225018A1 (de) | 2015-06-11 |
| US20160311043A1 (en) | 2016-10-27 |
| DE102013225018B4 (de) | 2015-09-24 |
| CN105829001B (zh) | 2019-05-07 |
| CN105829001A (zh) | 2016-08-03 |
| WO2015082524A1 (de) | 2015-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE112016004270T5 (de) | Elektrisches Funkenerosions-Verfahren zur Erzeugung von variablen Spritzloch-Geometrien | |
| EP1841557B1 (de) | Verfahren zur herstellung von zahnrädern | |
| WO2008061761A1 (de) | Schneidplatte für ein bearbeitungswerkzeug, insbesondere drehwerkzeug | |
| DE102013225018B4 (de) | Verfahren zum Herstellen eines Düsenkörpers | |
| EP2468442B1 (de) | Verfahren zum Herstellen von Bohrungen | |
| EP3085492B1 (de) | Schleifwerkzeug | |
| DE102007022483B4 (de) | Elektrode, Werkzeug und Verfahren für die elektrochemische Bearbeitung eines metallischen Werkstücks | |
| DE112018004339B4 (de) | Kraftstoffeinspritzventil | |
| EP2943681B1 (de) | Kraftstoffeinspritzdosiereinrichtung, und verfahren zum herstellen einer kraftstoffeinspritzdosiereinrichtung | |
| DE10248450B4 (de) | Elektrische Entladungsbearbeitungsvorrichtung und elektrisches Entladungsbearbeitungsverfahren | |
| EP3015209B1 (de) | Nadeln oder Platinen für Textilmaschinen sowie Verfahren zur Herstellung einer Nadel oder einer Platine für Textilmaschinen | |
| DE19601158C1 (de) | Gehonte Zylinderbohrung eines Hubkolben-Verbrennungsmotors und Verfahren zu ihrer Herstellung | |
| DE102014206782A1 (de) | Verfahren zur Herstellung von Einspritzöffnungen sowie Kraftstoffinjektor mit derartigen Einspritzöffnungen | |
| DE112019001528T5 (de) | Kraftstoffeinspritzventilsitzanordnung, die einen einsatz umfasst, der einen ventilsitz bildet | |
| DE112019001538T5 (de) | Kraftstoffeinspritzventilsitzanordnung, die einen in position geformten einsatz umfasst, und verfahren zur herstellung davonhintergrund | |
| DE112019001387T5 (de) | Kraftstoffeinspritzventilsitzanordnung, die einsatzpositionierungs- und -haltemerkmale umfasst | |
| DE102014016729A1 (de) | Verfahren und Vorrichtung zur elektrochemischen Bearbeitung eines metallischen Werkstücks | |
| WO2017060150A1 (de) | Vorrichtung zum bearbeiten eines werkstücks für einen fluidinjektor und verfahren zum herstellen eines düsenkörpers für einen fluidinjektor | |
| EP1609552B1 (de) | Verfahren zur Herstellung eines Ventilkörpers für ein Kraftstoffventil | |
| DE112018004290B4 (de) | Kraftstoffeinspritzventil | |
| DE102019220186A1 (de) | Verfahren zur Herstellung von Einspritzöffnungen eines Injektors und Injektor | |
| EP1145801A9 (de) | Verfahren zur Bearbeitung eines Düsenelementes für Einspritzventile | |
| DE10351460A1 (de) | Kraftstoff-Einspritzvorrichtung, sowie Verfahren zu deren Herstellung | |
| DE102022133330A1 (de) | Verfahren zur Bearbeitung einer Rastvorrichtung einer Schiebenockenwelle | |
| DE112019001530T5 (de) | Kraftstoffeinspritzventilsitzanordnung, die einsatzabdichtungsmerkmale umfasst |
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: 20160705 |
|
| 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) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20190823 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VITESCO TECHNOLOGIES GMBH |
|
| RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VITESCO TECHNOLOGIES GMBH |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20211122 |
|
| 18R | Application refused |
Effective date: 20211122 |