EP1431571A2 - Brennstoffeinspritzventil mit integrierter Zündkerze - Google Patents
Brennstoffeinspritzventil mit integrierter Zündkerze Download PDFInfo
- Publication number
- EP1431571A2 EP1431571A2 EP04000412A EP04000412A EP1431571A2 EP 1431571 A2 EP1431571 A2 EP 1431571A2 EP 04000412 A EP04000412 A EP 04000412A EP 04000412 A EP04000412 A EP 04000412A EP 1431571 A2 EP1431571 A2 EP 1431571A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve body
- face
- valve
- ignition electrode
- fuel
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
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- 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
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
- F02M61/163—Means being injection-valves with helically or spirally shaped grooves
Definitions
- the invention relates to a fuel injector with an integrated spark plug according to the genus of the main claim.
- the fuel injector with integrated spark plug is used to inject fuel directly into the Combustion chamber of an internal combustion engine and for igniting it in the combustion chamber injected fuel.
- the well-known fuel injector Integrated spark plug has a valve body, which together with a means a valve needle actuatable valve closing body forms a sealing seat on which an end face of the valve body facing the combustion chamber connecting spray opening connects.
- the valve body is made of a ceramic Insulation body from one in the cylinder head of the internal combustion engine screw-in housing body insulated against high voltage. On the housing body there is a ground electrode to counter potential to that with high voltage form acted valve body. When the valve body is loaded with a sufficient high voltage there is a sparkover between the valve body and the ground electrode connected to the housing body.
- the fuel injector according to the invention with integrated spark plug with the Characteristic features of the main claim has the advantage that the position of the flashover with respect to the position of the spray opening reproducible and clearly defined.
- the position of the arcing and thus the ignition point can be in the area of the sprayed fuel jet least cyclical beam fluctuations.
- the time of Inflammation of the fuel jet therefore shows extremely small fluctuations Injection cycle to injection cycle.
- the edge for determining the position of the arcing can either be on the End face of the valve body or be provided on the ignition electrodes.
- the edge can be formed on the end face of the valve body by an elevation or depression his. It is advantageous if the valve body on the increase one has rounded flank area to target the air flow to the ignition point to judge.
- One or more pin-like ignition electrodes can be attached to the housing body be attached in such a way that they are directed at a predetermined angle of inclination the end face of the valve body are inclined.
- An edge of the ignition electrodes forms the point with the smallest distance to the end face of the valve body and thus determines the ignition point. If the edge defining the ignition point on the End face of the valve body is formed, can also be a simple ignition electrode wire spanning the end face of the valve body are used, which is a represents particularly inexpensive design.
- the ignition electrode can be designed in a particularly advantageous manner and a Have opening for the fuel jet sprayed from the spray opening.
- the the edge defining the ignition point is at the opening of the ring-shaped Ignition electrode formed.
- the opening of the annular ignition electrode is in the Spray direction of the fuel jet is flared, the opening angle of the Ignition electrode in an advantageous manner to the opening angle of the fuel jet is adjusted.
- a design of the holder for the ignition electrode with radially distributed arranged rod-shaped projections and guided radially to the projections radially arranged pins ensure a sufficient radial flow to the Combustion air and supports the safe ignition of the fuel jet.
- Fig. 1 is a fuel injector with an integrated spark plug for direct Injecting fuel into a combustion chamber of a mixture-compressed, spark-ignition internal combustion engine and for igniting the in the combustion chamber injected fuel according to an embodiment of the invention shown.
- the fuel injector generally provided with the reference number 1 Integrated spark plug has a first housing body 2, which is by means of a thread 3 in a receiving bore of a cylinder head, not shown in Fig. 1 is screwable, and a second housing body 4 and a third Housing body 5.
- the metallic formed by the housing body 3, 4, 5 Housing surrounds an insulation body 6, which in turn a valve body 7, a Swirl insert 14 and one located inside the swirl insert 14 via the inlet side End 8 of the valve body 7 extending valve needle 9 at least partially radially surrounds outside.
- the valve needle 9 is a conical one on the injection side Valve closing body 10 connected together with an inside conical Valve seat surface on the spray-side end 11 of the valve body 7 a sealing seat forms.
- valve needle 9 and Valve closing body 10 formed in one piece.
- the valve closing body 10 When lifting the valve closing body 10 of the valve seat surface of the valve body 7, the valve closing body 10 is one in the Valve body 7 formed outlet opening 12 free, so that a conical Fuel jet 13 is sprayed.
- fuel is a swirl groove in the swirl insert 14 14a is provided, wherein a plurality of swirl grooves 14a can also be provided.
- first ignition electrodes 70a for generating a Ignition spark provided.
- the ignition electrodes 70a carry ground potential, while the valve body 7 can be acted upon by a high voltage potential.
- the Lengths of the ignition electrodes 70a are the beam angle and the beam shape of the Adjust fuel jet 13.
- the ignition electrodes 70a can either in the Immerse the fuel jet 13, or the fuel jet 13 can be at a short distance are guided past the ignition electrodes 70a without the ignition electrodes 70a be wetted by the fuel. It is also conceivable to immerse the Ignition electrodes 70a in gaps through the orifice 12 or more Spray jets generated single jets.
- the valve body 7 is preferably in two parts from a first partial body 7a and a second partial body 7b which is formed at a welding point 17 are welded together.
- the valve needle 9 is divided into a first metallic spray-side guide section 9a, a second metallic, inlet-side Guide section 9b and a ceramic sleeve-shaped in the exemplary embodiment Isolation section 9c.
- the first guide section 9a is in the swirl insert 14 guided.
- the guidance takes place through the cylindrical one Shell surface 18 of the one-piece with the first guide portion 9a Valve closing body 10.
- a second guidance of the valve needle 9 takes place by means of the second guide section 9b in the insulation body 6.
- the outer surface acts for this purpose 19 of the second guide section 9b with a bore 20 in the insulation body 6 together.
- the guide sections 9a and 9b serving as guides are as formed metallic components and can with the necessary for the leadership Manufacturing accuracy can be made.
- the insulation section 9c can be made as a ceramic part become. Since the insulation section 9c is not used to guide the valve needle 9, are the dimensional accuracy and surface roughness are only subject to minor requirements put. A revision of the ceramic part is therefore not necessary.
- the guide portions 9a and 9b are not only with the insulation portion 9c non-positively but also positively connected.
- the guide sections 9a and 9b each have a pin 21 or 22, each in a hole 23 formed as a recess of the Isolation section 9c is introduced.
- the connection between the Pins 21 and 22 of the guide portions 9a and 9b by friction, by Glued or shrink-fit.
- the insulation section 9c is preferably sleeve-shaped.
- the second guide section 9b is connected to an anchor 24 which is connected to a Solenoid coil 25 for electromagnetic actuation of valve closing body 10 interacts.
- a connecting cable 26 is used to energize the magnetic coil 25
- the coil 25 is received by a coil carrier 27.
- a sleeve-shaped Core 28 at least partially penetrates solenoid 25 and is from armature 24 by a gap in the closed position of the Fuel injector 1 spaced.
- the magnetic flux circuit is created by the ferromagnetic components 29 and 30 closed.
- the fuel flows over you Fuel inlet connector 31, which has a thread 32 with a not shown
- Fuel distributor is connectable in the fuel injector with integrated Spark plug 1.
- the fuel first flows through a fuel filter 33 and flows then in a longitudinal bore 34 of the core 28.
- adjusting sleeve 36 which in the longitudinal bore 34 of Core 28 is screwed.
- the adjusting sleeve 36 is used to adjust the bias a return spring 37 which acts on the armature 24 in the closing direction.
- a locking sleeve 38 serves to secure the setting of the adjustment sleeve 36.
- the fuel continues to flow through a longitudinal bore 39 in the second Guide section 9b of the valve needle 9 and enters an axial recess 40 in a cavity 41 of the insulating body 6.
- the fuel flows from there into one Longitudinal bore 42 of the valve body 7, in which the valve needle 9 extends, and finally reaches the previously described swirl groove 14a on the outer circumference of the Swirl insert 14.
- a high-voltage cable 50 is used to supply the high voltage lateral, pocket-like recess 51 is inserted into the insulation body 6.
- the stripped end 52 of the high-voltage cable 50 is at a soldering or welding point 53 soldered or welded to a contact clip 54.
- the contact clip 54 clasps the valve body 7 and makes a safe electrically conductive contact between the stripped end 52 of the high voltage cable 50 and the valve body 7 ago.
- the Insulation body 6 has a radial bore 55 through which a soldering or Welding tool can be guided to the soldering or welding point 53.
- an electrically insulating potting compound 56 poured out.
- One in the High-voltage cable 50 with integrated erosion resistor 57 in the sealing compound 56 be poured.
- a high voltage resistant film 58 in the pocket-like recess 51 of the Insulation body 6 inserted and also potted with the potting compound 56.
- potting compound 56 is such. B. silicone.
- the insulation body 6 and the valve body 7 can be connected to a thread 60 be screwed together. Furthermore, the insulation body 6 with the Housing body 2 to be screwed together on a further thread 61. The threads 60 and 61 are preferably secured with a suitable adhesive.
- the insulation body 6 can be manufactured inexpensively as a molded ceramic part.
- the Valve body 7 and the insulation body 6 can be screwed to a mounting mandrel and glued to compensate for misalignments in the guidance of the valve needle 9.
- the spatially close arrangement of the erosion resistor 57 to the ignition electrodes 70a reduces the erosion at the ignition electrodes 7a and allows despite an increased electrical capacity a metallic full casing of the fuel injector with integrated spark plug 1 through the metallic housing body 2, 4 and 5.
- FIG. 2 shows an enlarged illustration of the spray-side end region of the one in FIG. 1 illustrated first embodiment of the fuel injector with integrated Spark plug 1.
- the ignition electrodes 70a in this illustration particularly easy to recognize.
- the fuel injector with integrated spark plug 1 is in the illustration of FIG. 2 in a cylinder head 71 of an internal combustion engine screwed so that the ignition electrodes 70a in a combustion chamber 72 Protruding internal combustion engine.
- cylinder-shaped ignition electrodes 70a serve a plurality of projections 78 of the Housing body 2.
- the projections 78 of the housing body 2 are on the Housing body 2 arranged circumferentially offset from one another, with between the individual protrusions 78 are formed relatively large spaces to one unhindered inflow of combustion air to the mouth of the outlet opening 12 on the end face 73 of the valve body 7 facing the combustion chamber 72 enable.
- the ignition electrodes 70a are each with respect to the plane of the end face 73 of the valve body 7 by one predetermined angle of inclination ⁇ in the direction of the end face 73 of the valve body 7 inclined.
- the end face 73 of the valve body 7 has an edge 74 each pin-shaped ignition electrodes 70a opposite.
- the position of the edges 74 defines it the location of the smallest distance between the ignition electrodes 70a and End face 73 of the valve body 7 and thus defines the ignition point. Due to the edge-shaped design results in an increased electrical at this point Field strength that causes the plasma discharge of the ignition spark.
- the through the edges 74 set ignition point is therefore from injection cycle to injection cycle reproducible.
- the most favorable position of the ignition point can be optimized by tests and lies in the area of the so-called jet root of the exit opening 12 hosed fuel jet 13.
- By changing the length and the Inclination angle ⁇ of the ignition electrodes 70a can the position of the edges 74 at the Opening angle ⁇ of the one already sprayed from the outlet opening 12 Fuel jet 13 can be adjusted.
- the distance of the edges 74 of the ignition electrodes 70a from the end face 73 of the valve body 7 can be bent by bending a kink 75 of the projections 78 can be set precisely in terms of production technology.
- Fig. 3 shows a section through the spray-side end region of a Fuel injection valve with integrated spark plug 1 corresponding to a second Embodiment of the invention. Elements already described are included matching reference numerals.
- the difference to the embodiment described with reference to FIGS. 1 and 2 consists essentially in that the edge for determining the position of the Arcing and thus the ignition point not on the ignition electrode 70 but on the end face 73 of the valve body 7 is formed.
- the end face 73 has of the valve body 7 has an elevation 80 with a peripheral edge 81.
- At the Edge 81 arises when a high voltage is applied to valve body 7 increased electric field strength, which triggers the plasma discharge of the ignition spark.
- the Position of the ignition point can be relative to the position of the outlet opening 12 suitable dimensioning of the diameter of the elevation 80 can be precisely defined.
- the ignition electrode 70b carrying the ground potential can be used in this Embodiment are formed by a simple wire between one first projection 78a of the housing body 2 and a second projection 78b of the Housing body 2 is clamped and can be fixed by welds 82. Through the wire-shaped ignition electrode 70b results in a configuration with a particularly small size Production expense. Instead of an increase 80 on the end face 73 of the Valve body 7 can also be provided a recess, on the boundary of which also an edge is formed to selectively increase the electric field strength.
- Fig. 4 shows a section through the spray-side end region of a third Embodiment of a fuel injector with integrated spark plug 1.
- Fig. 4 shows a section through the spray-side end region of a third Embodiment of a fuel injector with integrated spark plug 1.
- the ignition electrode 70c and formed has an opening 90 for the sprayed from the outlet opening 12 Fuel jet 13 on.
- the opening 90 of the annular ignition electrode 70c is preferably formed with a conical inner surface and widens in the Spray direction 91 of the fuel jet 13.
- the opening angle ⁇ 'of the opening 90 of the annular ignition electrode 70c is preferably at the opening angle ⁇ of the Adjusted fuel jet 13.
- the opening angle ⁇ ' is preferably correct Opening 90 coincides with the opening angle ⁇ of the fuel jet 13.
- the end face 73 of the valve body 7 opposite end Opening 90 has an acute-angled edge 92, which in this embodiment is the Determines ignition point.
- the annular ignition electrode 70c is on via connecting pins 93 the projections 78 of the housing body 2 attached.
- the projections 78 are radial distributed circumferentially on the housing body 2.
- 3 or 4 are such Projections 78 are provided.
- Each protrusion 78 is a connecting pin 93 assigned.
- the protrusions 78 and the connecting pins 93 are relatively narrow executed so that between the projections 78 and the connecting pins 93 relative large gaps remain, through which the combustion air can reach the Opening of the outlet opening 12 and to that through the peripheral edge 92 specified ignition point can flow.
- An unimpeded inflow of combustion air is for a safe ignition of the fuel jet 13 and a low soot and coking at the mouth of the outlet opening 12 is essential.
- FIG. 5 shows a section through the spray-side end of a fuel injector with integrated spark plug 1 according to a fourth embodiment.
- the annular ignition electrode 70c one has bevelled section 96, on which the connecting pins 93 in a Connect the escape line. This will make edges at the transition between pins 93 and the annular ignition electrode 70c avoided so that none at these points increased field strength occurs, which could lead to a parasitic ignition point.
- Fig. 6 shows a section through the spray end of a fuel injector with integrated spark plug 1 according to a fifth embodiment. Also here are already described elements with matching reference numerals Mistake.
- the embodiment shown in Fig. 6 represents a combination of the in 3 and 4 embodiments shown.
- a ring electrode 70c is provided, the opening 90 of which on the end face 73 of the valve body 7 opposite edge has an edge 92.
- the face 73 of the valve body 7 has an elevation 80 with a peripheral edge 81.
- the peripheral edge 81 of the elevation 80 is located near the peripheral edge 92 of the annular ignition electrode 70c.
- the ignition point is between the two circumferential edges 92 and 81, since there the valve body 7 and the ignition electrode 70c on the one hand have the smallest distance from each other and on the other hand at this point due to the edges 81 and 92, a particularly high electric field strength occurs.
- FIG. 7 shows a section through the end region of a spraying end Fuel injection valve with integrated spark plug 1 corresponding to a sixth Embodiment of the invention. Elements already described are also included here matching reference numerals. That shown in Fig. 7 The exemplary embodiment largely corresponds to that already based on FIG. 6 described embodiment with the difference that the flank region 97th the elevation 80 of the end face 73 of the valve body 7 is rounded off in a concave manner. Thereby the laterally flowing combustion air becomes the fuel jet 13 and led by the circumferential edges 81 and 92 fixed ignition point. It results therefore a particularly good inlet geometry for the combustion air, so that a safe ignition of the fuel jet 13 and low-pollution combustion are guaranteed. Soot and coking of the mouth of the Outlet opening 12 is counteracted.
- the shape and design of the ignition electrodes 70a-70c of those described above Exemplary embodiments avoided accidental glow ignition. Furthermore point the ignition electrodes 70a to 70c designed according to the invention have an increased mechanical Stability and an extended lifespan. Due to the geometry of the Ignition electrodes 70a to 70c and the valve body 7 are turned on at the ignition point constant fuel-air mixture with lambda between 0.6 and 1.0 reached. The ignition point is in the range of the smallest cyclical fluctuations of the Fuel jet. The ignition sparks may cause the end face 73 of the valve body 7 deposits impurities corresponding to a Self-cleaning effect burned down.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Spark Plugs (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch ein erfindungsgemäßes Brennstoffeinspritzventil mit integrierter Zündkerze entsprechend einem ersten Ausführungsbeispiel,
- Fig. 2
- eine vergrößerte Darstellung des abspritzseitigen Endbereichs des in Fig. 1 dargestellten Brennstoffeinspritzventils mit integrierter Zündkerze,
- Fig. 3
- einen Schnitt durch den abspritzseitigen Endbereich eines erfindungsgemäßen Brennstoffeinspritzventils mit integrierter Zündkerze entsprechend einem zweiten Ausführungsbeispiel,
- Fig. 4
- einen Schnitt durch den abspritzseitigen Endbereich eines erfindungsgemäßen Brennstoffeinspritzventils mit integrierter Zündkerze entsprechend einem dritten Ausführungsbeispiel,
- Fig. 5
- einen Schnitt durch den abspritzseitigen Endbereich eines erfindungsgemäßen Brennstoffeinspritzventils mit integrierter Zündkerze entsprechend einem vierten Ausführungsbeispiel,
- Fig. 6
- einen Schnitt durch den abspritzseitigen Endbereich eines erfindungsgemäßen Brennstoffeinspritzventils mit integrierter Zündkerze entsprechend einem fünften Ausführungsbeispiel, und
- Fig. 7
- einen Schnitt durch den abspritzseitigen Endbereich eines erfindungsgemäßen Brennstoffeinspritzventils mit integrierter Zündkerze entsprechend einem sechsten Ausführungsbeispiel.
Claims (3)
- Brennstoffeinspritzventil mit integrierter Zündkerze (1) zum direkten Einspritzen von Brennstoff in einen Brennraum (72) einer Brennkraftmaschine und zum Zünden des in den Brennraum (72) eingespritzten Brennstoffs mit
einem Ventilkörper (7), der zusammen mit einem Ventilschließkörper (10) einen Dichtsitz bildet, an welchen sich zumindest eine an einer dem Brennraum (72) zugewandten Stirnfläche (73) des Ventilkörpers (7) ausmündende Austrittsöffnung (12) anschließt, und
einen von dem Ventilkörper (7) isolierten Gehäusekörper (2), wobei an dem Gehäusekörper (2) zumindest eine Zündelektrode (70a) vorgesehen ist, um einen Funkenüberschlag zwischen dem Ventilkörper (7) und der Zündelektrode (70a) zu erzeugen,
wobei die Zündelektrode (70a) und der Ventilkörper (7) so geformt sind, daß der Funkenüberschlag zwischen der dem Brennraum (72) zugewandten Stirnfläche (73) des Ventilkörpers (7) und der Zündelektrode (70a) erfolgt, und
die dem Brennraum (72) zugewandte Stirnfläche (73) des Ventilkörpers (7) und/oder die Zündelektrode (70a) in der Nähe der Austrittsöffnung (12) eine Kante (81) aufweist, um die Position des Funkenüberschlags an der Stirnfläche (73) des Ventilkörpers (7) bezüglich der Position der Austrittsöffnung (12) reproduzierbar festzulegen,
dadurch gekennzeichnet, daß die Stirnfläche (73) des Ventilkörpers (7) in einem vorgegebenen Abstand zu der Austrittsöffnung (12) eine Erhöhung (80) oder Vertiefung mit einer die Erhöhung (80) bzw. Vertiefung begrenzenden Kante (81) aufweist und an dem Gehäusekörper (2) zumindest zwei die Stirnfläche (73) des Ventilkörpers (7) überragende Halterungen (78a, 78b) vorgesehen sind, zwischen welchen sich zumindest eine drahtförmige Zündelektrode (70b) erstreckt. - Brennstoffeinspritzventil mit integrierter Zündkerze nach Anspruch 1,
dadurch gekennzeichnet, daß die Stirnfläche (73) des Ventilkörpers (7) eine Erhöhung (80) mit einem abgerundeten Flankenbereich (97) aufweist. - Brennstoffeinspritzventil mit integrierter Zündkerze nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die drahtförmige Zündelektrode (70b) an den zumindest zwei Halterungen (78a, 78b) mittels Schweißnähten (82) befestigbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19828849 | 1998-06-27 | ||
DE19828849A DE19828849A1 (de) | 1998-06-27 | 1998-06-27 | Brennstoffeinspritzventil mit integrierter Zündkerze |
EP99924738A EP1032762B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter zündkerze |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99924738A Division-Into EP1032762B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter zündkerze |
EP99924738A Division EP1032762B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter zündkerze |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1431571A2 true EP1431571A2 (de) | 2004-06-23 |
EP1431571A3 EP1431571A3 (de) | 2004-08-04 |
EP1431571B1 EP1431571B1 (de) | 2006-03-29 |
Family
ID=7872311
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99924738A Expired - Lifetime EP1032762B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter zündkerze |
EP04000412A Expired - Lifetime EP1431571B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter Zündkerze |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99924738A Expired - Lifetime EP1032762B1 (de) | 1998-06-27 | 1999-04-01 | Brennstoffeinspritzventil mit integrierter zündkerze |
Country Status (6)
Country | Link |
---|---|
US (2) | US6536405B1 (de) |
EP (2) | EP1032762B1 (de) |
JP (1) | JP2002519571A (de) |
KR (1) | KR20010022302A (de) |
DE (3) | DE19828849A1 (de) |
WO (1) | WO2000000738A1 (de) |
Families Citing this family (57)
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ATE325949T1 (de) * | 1999-10-18 | 2006-06-15 | Orbital Eng Pty | Brennstoffdirekteinspritzung in einer brennkraftmaschine |
AUPQ588500A0 (en) | 2000-02-28 | 2000-03-23 | Orbital Engine Company (Australia) Proprietary Limited | Combined fuel injection and ignition means |
AU2001268256A1 (en) * | 2000-06-08 | 2002-01-02 | Knite, Inc. | Combustion enhancement system and method |
DE10038293A1 (de) | 2000-08-05 | 2002-02-14 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10150167B4 (de) * | 2001-10-11 | 2016-01-07 | Volkswagen Ag | Verbrennungskraftmaschine mit verbesserter Hochfrequenzzündung |
DE10214167A1 (de) | 2002-03-28 | 2003-10-09 | Bosch Gmbh Robert | Brennstoffeinspritzventil-Zündkerze-Kombination |
JP4082347B2 (ja) * | 2003-12-18 | 2008-04-30 | トヨタ自動車株式会社 | プラズマインジェクター及び排ガス浄化システム |
DE102004024535A1 (de) * | 2004-05-18 | 2005-12-15 | Robert Bosch Gmbh | Brennstoffeinspritzventil mit integrierter Zündvorrichtung |
FR2870569B1 (fr) * | 2004-05-19 | 2006-07-21 | Renault Sas | Dispositif injecteur de carburant pour moteur a combustion interne a allumage commande |
US6955154B1 (en) * | 2004-08-26 | 2005-10-18 | Denis Douglas | Fuel injector spark plug |
US8082735B2 (en) * | 2005-04-06 | 2011-12-27 | Massachusetts Institute Of Technology | Optimized fuel management system for direct injection ethanol enhancement of gasoline engines |
US8353269B2 (en) * | 2004-11-18 | 2013-01-15 | Massachusetts Institute Of Technology | Spark ignition engine that uses intake port injection of alcohol to extend knock limits |
US7314033B2 (en) * | 2004-11-18 | 2008-01-01 | Massachusetts Institute Of Technology | Fuel management system for variable ethanol octane enhancement of gasoline engines |
US20080060627A1 (en) | 2004-11-18 | 2008-03-13 | Massachusetts Institute Of Technology | Optimized fuel management system for direct injection ethanol enhancement of gasoline engines |
WO2008050192A2 (en) * | 2006-03-08 | 2008-05-02 | Ethanol Boosting Systems, Llc | Single nozzle injection of gasoline and anti-knock fuel |
WO2007106416A2 (en) * | 2006-03-10 | 2007-09-20 | Ethanol Boosting Systems, Llc. | Fuel tank system for direct ethanol injection octane boosted gasoline engine |
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- 1999-04-01 JP JP2000557074A patent/JP2002519571A/ja not_active Withdrawn
- 1999-04-01 US US09/486,402 patent/US6536405B1/en not_active Expired - Fee Related
- 1999-04-01 EP EP04000412A patent/EP1431571B1/de not_active Expired - Lifetime
- 1999-04-01 DE DE59913266T patent/DE59913266D1/de not_active Expired - Fee Related
- 1999-04-01 KR KR1020007000881A patent/KR20010022302A/ko not_active Application Discontinuation
- 1999-04-01 DE DE59909032T patent/DE59909032D1/de not_active Expired - Fee Related
- 1999-04-01 WO PCT/DE1999/000984 patent/WO2000000738A1/de not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
KR20010022302A (ko) | 2001-03-15 |
EP1032762B1 (de) | 2004-03-31 |
DE19828849A1 (de) | 1999-12-30 |
WO2000000738A1 (de) | 2000-01-06 |
DE59909032D1 (de) | 2004-05-06 |
JP2002519571A (ja) | 2002-07-02 |
US6748918B2 (en) | 2004-06-15 |
EP1431571A3 (de) | 2004-08-04 |
DE59913266D1 (de) | 2006-05-18 |
US6536405B1 (en) | 2003-03-25 |
US20030111042A1 (en) | 2003-06-19 |
EP1431571B1 (de) | 2006-03-29 |
EP1032762A1 (de) | 2000-09-06 |
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