DE102005056764A1 - Fuel injection valve for internal combustion engine, has two of injection openings oriented such that injected fuel jets are in contact, and other opening oriented such that other fuel jet is not in mutual contact with former jets - Google Patents
Fuel injection valve for internal combustion engine, has two of injection openings oriented such that injected fuel jets are in contact, and other opening oriented such that other fuel jet is not in mutual contact with former jets Download PDFInfo
- Publication number
- DE102005056764A1 DE102005056764A1 DE102005056764A DE102005056764A DE102005056764A1 DE 102005056764 A1 DE102005056764 A1 DE 102005056764A1 DE 102005056764 A DE102005056764 A DE 102005056764A DE 102005056764 A DE102005056764 A DE 102005056764A DE 102005056764 A1 DE102005056764 A1 DE 102005056764A1
- Authority
- DE
- Germany
- Prior art keywords
- fuel
- jets
- injection valve
- fuel injection
- contacting
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
- F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
Description
Stand der TechnikState of technology
Die Erfindung geht aus von einem Brennstoffeinspritzventil nach der Gattung des Hauptanspruchs.The The invention is based on a fuel injection valve after Genus of the main claim.
Beispielsweise ist aus der JP-08035463 A ein Brennstoffeinspritzventil bekannt, welches über mehrere Abspritzöffnungen verfügt, die in einem Ventilsitzkörper angeordnet sind. Diese sind so zueinander orientiert, dass die aus ihnen austretenden Brennstoffstrahlen miteinander kollidieren bzw. zu einem Strahl verschmelzen.For example is known from JP-08035463 A a fuel injection valve, which over several spray openings features, in a valve seat body are arranged. These are so oriented to each other that the collide with them emerging fuel jets or merge into a beam.
Aus der JP-08303321 A ist ein weiteres Brennstoffeinspritzventil bekannt. Dieses weist ebenfalls Abspritzöffnungen in einem Ventilsitzkörper auf, wobei die Abspritzöffnungen unter verschiedenen Winkeln geneigt und mit unterschiedlichen Durchmessern versehen sind.Out JP-08303321 A discloses another fuel injection valve. This also has spray openings in a valve seat body on, with the injection openings inclined at different angles and with different diameters are provided.
Nachteilig bei den angegebenen Brennstoffeinspritzventilen ist dabei, dass einerseits die Herstellung entsprechender Düsenkörper mit unterschiedlich geformten und geneigten Abspritzöffnungen aufwendig ist, da sie mit hoher Präzision ausgeführt werden muß.adversely in the specified fuel injection valves is that on the one hand, the production of corresponding nozzle body with differently shaped and inclined spray holes consuming, since they are performed with high precision got to.
Weiterhin ist von Nachteil, dass bei der Kollision aller austretenden Brennstoffstrahlen eine unkontrolliert strähnige Gemischwolke entsteht, die eine unzureichende Aufbereitungsqualität aufweist und somit Ziele wie beispielsweise eine Verringerung der Schadstoffemissionen oder des Brennstoffverbrauchs nicht erreichen kann.Farther is disadvantageous in that in the collision of all emerging fuel jets an uncontrollably stringy one Mixture cloud is formed, which has an insufficient treatment quality and thus targets such as a reduction of pollutant emissions or fuel consumption.
Vorteile der ErfindungAdvantages of invention
Demgegenüber hat das erfindungsgemäße Brennstoffeinspritzventil mit den kennzeichnenden Merkmalen des Hauptanspruchs den Vorteil, dass die Gemischwolke im Brennraum durch eine gezielte Kollision oder Verschmelzung einzelner aus den entsprechend orientierten Abspritzöffnungen abgespritzter Brennstoffstrahlen in Kombination mit mehreren sich nicht berührenden Brennstoffstrahlen beliebig geformt und auf die geometrischen Verhältnisse im Brennraum abgestimmt werden kann.In contrast, has the fuel injection valve according to the invention with the characterizing features of the main claim the advantage that the mixture cloud in the combustion chamber by a purposeful collision or fusion of individual from the appropriately oriented spray orifices sprayed fuel jets in combination with several themselves not touching Fuel rays arbitrarily shaped and on the geometric conditions can be tuned in the combustion chamber.
Weitere vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen angegeben.Further advantageous embodiments The invention are specified in the subclaims.
Vorteilhafterweise sind die einander kreuzenden oder durchdringenden Brennstoffstrahlen in Paaren oder Dreiergruppen zusammengefaßt und mit weiteren Paaren oder Dreiergruppen und Einzelstrahlen kombiniert.advantageously, are the intersecting or penetrating fuel jets combined in pairs or triplets and with other couples or triplets and single rays combined.
Weiterhin ist von Vorteil, dass die sich kreuzenden oder durchdringenden Brennstoffstrahlen relativ zueinander entweder in spitzem oder in stumpfen Winkel je nach Anforderung an die Geometrie der Gemischwolke abgespritzt werden.Farther It is advantageous that the intersecting or penetrating fuel jets relative to each other either at acute or obtuse angles ever be sprayed according to the requirements of the geometry of the mixture cloud.
Weiterhin ist von Vorteil, dass die erfindungsgemäßen Maßnahmen in einfacher Weise ohne hohen Fertigungsaufwand in bekannte Bauteile implementierbar sind.Farther is advantageous that the measures according to the invention in a simple manner Can be implemented in known components without high production costs are.
Vorteilhafterweise kann die bekannte kreisförmige Anordnung der Abspritzöffnungen im Ventilsitzkörper weiter verwendet werden.advantageously, can be the well-known circular Arrangement of the ejection openings in the valve seat body continue to be used.
Zeichnungdrawing
Ausführungsbeispiele erfindungsgemäß ausgestalteter Brennstoffeinspritzventile sind in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:embodiments ausgestalteter inventively Fuel injection valves are shown simplified in the drawing and explained in more detail in the following description. Show it:
Beschreibung der Ausführungsbeispieledescription the embodiments
Anhand
von
Das
Brennstoffeinspritzventil
Das
Brennstoffeinspritzventil
Die
Ventilnadel
In
der Ventilnadelführung
Im
Ruhezustand des Brennstoffeinspritzventils
Wird
der Spulenstrom abgeschaltet, fällt
der Anker
Ein
herkömmliches
Brennstoffeinspritzventil
Die
beschriebene Anordnung von Abspritzöffnungen
Um
diese Anforderungen erfüllen
zu können, muß die Penetrationstiefe
bei gleichbleibend guter Gemischaufbereitung reduziert werden. Zu
diesem Zweck wird das Kollisionsprinzip verwendet, bei welchem zumindest
zwei einzelne Brennstoffstrahlen
Das
erfindungsgemäße Brennstoffeinspritzventil
Die
kollidierenden Brennstoffstrahlen
In
Die
Abspritzöffnungen
Dabei
sind diverse Kombinationen und Erweiterungen der in
Bei
einer Anzahl von fünf
Abspritzöffnungen
Für steigende
Anzahlen von Abspritzöffnungen
Die
Erfindung ist nicht auf die dargestellten Ausführungsbeispiele beschränkt, sondern
auch für andere
Bauweisen von Brennstoffeinspritzventilen
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005056764A DE102005056764A1 (en) | 2005-11-29 | 2005-11-29 | Fuel injection valve for internal combustion engine, has two of injection openings oriented such that injected fuel jets are in contact, and other opening oriented such that other fuel jet is not in mutual contact with former jets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005056764A DE102005056764A1 (en) | 2005-11-29 | 2005-11-29 | Fuel injection valve for internal combustion engine, has two of injection openings oriented such that injected fuel jets are in contact, and other opening oriented such that other fuel jet is not in mutual contact with former jets |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005056764A1 true DE102005056764A1 (en) | 2007-05-31 |
Family
ID=38037741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005056764A Ceased DE102005056764A1 (en) | 2005-11-29 | 2005-11-29 | Fuel injection valve for internal combustion engine, has two of injection openings oriented such that injected fuel jets are in contact, and other opening oriented such that other fuel jet is not in mutual contact with former jets |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102005056764A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9506439B2 (en) * | 2015-04-13 | 2016-11-29 | Caterpillar Inc. | Ducted combustion systems utilizing adjustable length ducts |
-
2005
- 2005-11-29 DE DE102005056764A patent/DE102005056764A1/en not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9506439B2 (en) * | 2015-04-13 | 2016-11-29 | Caterpillar Inc. | Ducted combustion systems utilizing adjustable length ducts |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R012 | Request for examination validly filed |
Effective date: 20120817 |
|
R016 | Response to examination communication | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |