DE10337630A1 - Fuel injection valve with integrated ignition plug has hollow valve body holding high voltage electrode that ends approximately flush with valve body, ignition transformer with primary and secondary windings in housing - Google Patents
Fuel injection valve with integrated ignition plug has hollow valve body holding high voltage electrode that ends approximately flush with valve body, ignition transformer with primary and secondary windings in housing Download PDFInfo
- Publication number
- DE10337630A1 DE10337630A1 DE2003137630 DE10337630A DE10337630A1 DE 10337630 A1 DE10337630 A1 DE 10337630A1 DE 2003137630 DE2003137630 DE 2003137630 DE 10337630 A DE10337630 A DE 10337630A DE 10337630 A1 DE10337630 A1 DE 10337630A1
- Authority
- DE
- Germany
- Prior art keywords
- valve body
- injection valve
- high voltage
- primary
- housing
- 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.)
- Withdrawn
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
- 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
Abstract
Description
Die Erfindung bezieht sich auf ein Brennstoff-Einspritzventil mit den Merkmalen des Oberbegriffs von Patentanspruch 1.The The invention relates to a fuel injection valve with the Features of the preamble of claim 1.
Ein
derartiges Einspritzventil ist aus der
Die Hochspannungszuführung erfolgt über einen an der Außenseite des Einspritzventils angeordneten Hochspannungsanschluss. Daraus resultieren insbesondere bei dünnen Einspritzventilen Isolationsprobleme, da die Hochspannungsleitung innerhalb des Einspritzventils in der Nähe des Kraftstoffs verläuft.The High voltage supply done via a on the outside the injection valve arranged high voltage terminal. from that result especially in thin Injectors isolation problems, as the high voltage line within the injector near the fuel.
Der Erfindung liegt die Aufgabe zu Grunde, ein Einspritzventil der eingangs genannten Art zu schaffen, das unter allen Betriebsbedingungen funktions- und störungssicher ist.Of the Invention is based on the object, an injection valve of the beginning of this kind, which functions under all operating conditions. and fail-safe is.
Die Erfindung löst diese Aufgabe mit den Mitteln des Patentanspruchs 1.The Invention solves This object with the means of claim 1.
Nunmehr wird der Zündfunken in dem Bereich erzeugt, in dem auch der Kraftstoffaustritt erfolgt. Durch die Integration des Zündtransformators im Einspritzventil lässt sich die Länge der Hochspannungsleitung kurz halten und damit die Gefahr eines Funkenüberschlags im Ventil weitgehend vermeiden.Now becomes the spark generated in the area in which the fuel outlet occurs. Due to the integration of the ignition transformer in the Injector leaves the length keep the power line short and thus the risk of a sparkover largely avoid in the valve.
Vorteilhafte Ausgestaltungen der Erfindung sind in den weiteren Patentansprüchen angegeben.advantageous Embodiments of the invention are specified in the further claims.
Der
Aktuator kann wie bei der eingangs genannten
Die
Masseelektrode kann wie ebenfalls aus der
Dieses Ziel der Bauraumverkleinerung wird optimal erreicht, wenn der Ventilkörper zumindest teilweise selbst die Masseelektrode bildet.This The goal of space reduction is optimally achieved when the valve body at least partially itself forms the ground electrode.
Weitere Verbesserungen der Erfindung beschäftigen sich mit dem Aufbau und der Lage des Zündtransformators. Hierfür können die Primär- und die Sekundärwicklung konzentrisch zueinander angeordnet sein und/oder auf einem Spulenkörper sitzen, der einen Kern aus Weicheisenmaterial besitzt.Further Improvements of the invention are concerned with construction and the location of the ignition transformer. Therefor can the primary and the secondary winding be concentric with each other and / or sit on a bobbin, which has a core of soft iron material.
Der Spulenkörper selbst kann auf einem Schaft sitzen, der sich zwischen dem Aktuator und dem Ventilkörper befindet. Die zuletzt genannten Ausführungen des Ventils zeichnen sich durch einen minimalen Platzbedarf bei gleichzeitig hoher Betriebssicherheit aus.Of the bobbins itself can sit on a shaft that extends between the actuator and the valve body located. Draw the last-mentioned designs of the valve through a minimum space requirement while maintaining high reliability out.
Schließlich kann die Kraftstoffzufuhr im Bereich des Ventilkörpers so gewählt sein, dass der Kraftstoff die Masseelektrode umströmt. Der Kraftstoff kühlt damit den Ventilkörper.Finally, can the fuel supply in the region of the valve body can be selected that the fuel flows around the ground electrode. The fuel cools with it the valve body.
Die Erfindung ist an Hand der Zeichnung weiter erläutert. Dabei zeigt die einzige Figur ein erfindungsgemäßes Einspritzventil mit integrierter Zündkerze und integrierter Zündspule im Schnitt.The The invention is further explained with reference to the drawing. The only one shows Figure an injection valve according to the invention with integrated spark plug and integrated ignition coil on average.
Das
in der Zeichnung dargestellte Brennstoff-Einspritzventil
Der
Aktuator
Innerhalb
des Ventils
Hierzu
dient ein Zündtransformator
Bei
Anlegen einer Spannung von beispielsweise 12 V an der Primärwicklung
Der
Zündtransformator
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003137630 DE10337630A1 (en) | 2003-08-16 | 2003-08-16 | Fuel injection valve with integrated ignition plug has hollow valve body holding high voltage electrode that ends approximately flush with valve body, ignition transformer with primary and secondary windings in housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003137630 DE10337630A1 (en) | 2003-08-16 | 2003-08-16 | Fuel injection valve with integrated ignition plug has hollow valve body holding high voltage electrode that ends approximately flush with valve body, ignition transformer with primary and secondary windings in housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10337630A1 true DE10337630A1 (en) | 2005-03-17 |
Family
ID=34201573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003137630 Withdrawn DE10337630A1 (en) | 2003-08-16 | 2003-08-16 | Fuel injection valve with integrated ignition plug has hollow valve body holding high voltage electrode that ends approximately flush with valve body, ignition transformer with primary and secondary windings in housing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10337630A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008017576A1 (en) * | 2006-08-08 | 2008-02-14 | Siemens Aktiengesellschaft | Fuel injection valve with ignition |
CN100460666C (en) * | 2007-04-09 | 2009-02-11 | 李岳 | Combustion-supporting purifying combustion device of engine |
CN103403336A (en) * | 2010-12-06 | 2013-11-20 | 麦卡利斯特技术有限责任公司 | Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095580A (en) * | 1976-10-22 | 1978-06-20 | The United States Of America As Represented By The United States Department Of Energy | Pulse-actuated fuel-injection spark plug |
US5715788A (en) * | 1996-07-29 | 1998-02-10 | Cummins Engine Company, Inc. | Integrated fuel injector and ignitor assembly |
DE19939546A1 (en) * | 1999-08-20 | 2001-02-22 | Volkswagen Ag | Fuel injection valve has integral ignition plug, axial through bore that passes into section of essentially smaller diameter combustion chamber end, with transition region acting as valve seat |
EP0861371B1 (en) * | 1996-09-18 | 2002-04-03 | Robert Bosch Gmbh | Fuel injection valve with integrated spark plug |
-
2003
- 2003-08-16 DE DE2003137630 patent/DE10337630A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095580A (en) * | 1976-10-22 | 1978-06-20 | The United States Of America As Represented By The United States Department Of Energy | Pulse-actuated fuel-injection spark plug |
US5715788A (en) * | 1996-07-29 | 1998-02-10 | Cummins Engine Company, Inc. | Integrated fuel injector and ignitor assembly |
EP0861371B1 (en) * | 1996-09-18 | 2002-04-03 | Robert Bosch Gmbh | Fuel injection valve with integrated spark plug |
DE19939546A1 (en) * | 1999-08-20 | 2001-02-22 | Volkswagen Ag | Fuel injection valve has integral ignition plug, axial through bore that passes into section of essentially smaller diameter combustion chamber end, with transition region acting as valve seat |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008017576A1 (en) * | 2006-08-08 | 2008-02-14 | Siemens Aktiengesellschaft | Fuel injection valve with ignition |
DE102006037040A1 (en) * | 2006-08-08 | 2008-02-14 | Siemens Ag | Fuel injector with ignition |
DE102006037040B4 (en) * | 2006-08-08 | 2008-07-24 | Siemens Ag | Fuel injector with ignition |
CN100460666C (en) * | 2007-04-09 | 2009-02-11 | 李岳 | Combustion-supporting purifying combustion device of engine |
CN103403336A (en) * | 2010-12-06 | 2013-11-20 | 麦卡利斯特技术有限责任公司 | Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8139 | Disposal/non-payment of the annual fee |