EP2187039B1 - Fuel injection system - Google Patents
Fuel injection system Download PDFInfo
- Publication number
- EP2187039B1 EP2187039B1 EP10153072.3A EP10153072A EP2187039B1 EP 2187039 B1 EP2187039 B1 EP 2187039B1 EP 10153072 A EP10153072 A EP 10153072A EP 2187039 B1 EP2187039 B1 EP 2187039B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection valve
- fuel
- connecting body
- injection device
- 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.)
- Not-in-force
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Classifications
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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
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
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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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
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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
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
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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
- 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
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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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/853—Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
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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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa
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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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/858—Mounting of fuel injection apparatus sealing arrangements between injector and engine
Definitions
- the invention relates to a fuel injection device according to the preamble of claim 1.
Abstract
Description
Die Erfindung geht aus von einer Brennstoffeinspritzvorrichtung nach der Gattung des Anspruchs 1.The invention relates to a fuel injection device according to the preamble of
Bekannt ist bereits aus der
Aus der
Aus der
Die erfindungsgemäße Brennstoffeinspritzvorrichtung mit den kennzeichnenden Merkmalen des Anspruchs 1 hat den Vorteil, dass die Körperschallübertragung vom Brennstoffeinspritzventil in den Zylinderkopf deutlich reduziert ist. Dies wird erfindungsgemäß dadurch erreicht, dass das Brennstoffeinspritzventil direkt an die Brennstoffverteilerleitung über einen Verbindungskörper angebunden ist, aber weitgehend von der Aufnahmebohrung des Zylinderkopfes abgekoppelt ist. Das Brennstoffeinspritzventil ist in der Aufnahmebohrung des Zylinderkopfes derart angeordnet, dass es anlagefrei zu allen nicht achsparallel zum Brennstoffeinspritzventil verlaufenden Flächen bzw. Wandungen der Aufnahmebohrung eingebracht ist.The fuel injection device according to the invention with the characterizing features of
Der erfindungsgemäße Verbindungskörper ermöglicht in vorteilhafter Weise eine Kippbewegung des Brennstoffeinspritzventils zum radialen Toleranzausgleich zwischen Zylinderkopf und Brennstoffverteilerleitung.The connecting body according to the invention advantageously allows a tilting movement of the fuel injection valve for radial tolerance compensation between the cylinder head and the fuel distributor line.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Brennstoffeinspritzvorrichtung möglich.The measures listed in the dependent claims advantageous refinements and improvements of the
Besonders vorteilhaft ist es, den Verbindungskörper rohrförmig, hülsenförmig oder topfförmig auszuführen und diesen mittels einer nichtstoffschlüssigen Verbindung, insbesondere einer Press-, Schraub-, Clip-, Rast- oder Schnapp-Verbindung fest mit dem Anschlussstutzen der Brennstoffverteilerleitung zu verbinden. Dabei kann diese Verbindung noch mit einer Sicherungsmutter oder einem Sicherungsring gesichert sein. Derartige Verbindungen ermöglichen es insbesondere, in vorteilhafter Weise eine Kippbewegung des Brennstoffeinspritzventils zum radialen Toleranzausgleich zwischen Zylinderkopf und Brennstoffverteilerleitung zuzulassen.It is particularly advantageous to make the connecting body tubular, sleeve-shaped or cup-shaped and to connect it firmly to the connecting piece of the fuel distributor line by means of a non-material connection, in particular a press, screw, clip, latching or snap connection. In this case, this connection can still be secured with a lock nut or a locking ring. Such compounds make it possible, in particular, advantageously Allow tilting movement of the fuel injection valve for radial tolerance compensation between the cylinder head and fuel rail.
Neben den genannten nichtstoffschlüssigen Verbindungen ist es auch denkbar, den Verbindungskörper oder mit dem Verbindungskörper zusammenwirkende Zwischenbauteile am Anschlussstutzen stoffschlüssig, z.B. mittels Laserschweißen, Widerstandsschweißen oder Löten zu befestigen. Außerdem können auch Kombinationen von Form-, Kraft- und Stoffschluss für die gewünschten Verbindungen am Anschlussstutzen zum Einsatz kommen.In addition to the non-material connections mentioned, it is also conceivable to connect the connecting body or intermediate components cooperating with the connecting body to the connecting piece in a material-locking manner, e.g. using laser welding, resistance welding or soldering. In addition, combinations of form, force and material connection for the desired connections can be used on the connection piece.
Besonders vorteilhaft ist es, zusätzlich zur Entkopplung des Brennstoffeinspritzventils vom Zylinderkopf Dämpfungsscheiben im Verbindungsbereich von Brennstoffverteilerleitung und Zylinderkopf vorzusehen. Diese Dämpfungsscheiben können einfach oder doppelt im Bereich jeder Verschraubung der Brennstoffverteilerleitung am Zylinderkopf eingesetzt werden, so dass das Hochdruckeinspritzsystem zum Zylinderkopf hin noch wirksamer entkoppelt und schallisolierter ist.In addition to decoupling the fuel injection valve from the cylinder head, it is also advantageous to provide damping disks in the connection region of the fuel distributor line and cylinder head. These damping disks can be used simply or twice in the region of each screw connection of the fuel distributor line to the cylinder head, so that the high-pressure injection system is even more effectively decoupled from the cylinder head and sound-insulated.
Von Vorteil ist es, den Niederhalter als Stanz-Biege-Teil auszuführen und derart zu formen und in der Brennstoffeinspritzvorrichtung zu verbauen, dass die durch Biegespannung beanspruchten Flächen der Schrägabschnitte und Anlageabschnitte des Niederhalters senkrecht zu den Schnittkanten verlaufen, die beim Herauslösen des Rohlings für den Niederhalter aus dem entsprechenden Blech entstehen. Auf diese Weise lässt sich die dauerhafte Belastbarkeit der auf Biegung beanspruchten Abschnitte des Niederhaltebügels des Niederhalters erhöhen und eine optimale Niederhaltekraft auf das Brennstoffeinspritzventil zur sicheren Fixierung in der Aufnahmebohrung erzielen.It is advantageous to carry out the hold-down as punching-bending part and shape and obstruct the fuel injector that the stress of bending stress surfaces of the inclined sections and abutment portions of the blank perpendicular to the cutting edges, which are in the dissolution of the blank for the Hold-downs from the corresponding sheet arise. In this way, the permanent load capacity of the stressed portions of the hold-down bracket of the hold-down can be increased and achieve an optimum hold-down force on the fuel injection valve for secure fixation in the receiving bore.
Ausführungsbeispiele der Erfindung sind in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen
Figur 1- eine teilweise dargestellte Brennstoffeinspritzvorrichtung mit einem an einer Brennstoffverteilerleitung angebundenen und von einem Zylinderkopf kör- perschallmäßig abgekoppelten Brennstoffeinspritzventil in einer ersten Ausführung,
Figur 2- ein zweites Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 3- ein drittes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 4- ein viertes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 5- ein fünftes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 6- ein sechstes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 7- ein siebtes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 8- ein achtes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
- Figur 9
- ein neuntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 10- ein zehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 11- einen Schnitt durch die Brennstoffeinspritzvorrichtung entlang der Linie XI-XI in
,Figur 10 Figur 12- ein elftes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 13- ein zwölftes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 14- ein dreizehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 15- ein vierzehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
- Figur 16
- ein fünfzehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung,
Figur 17- ein sechzehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung und
Figur 18- ein siebzehntes Ausführungsbeispiel einer Brennstoffeinspritzvorrichtung.
- FIG. 1
- a partially illustrated fuel injector with a connected to a fuel rail and from a cylinder head body Perschallmäßig decoupled fuel injection valve in a first embodiment,
- FIG. 2
- A second embodiment of a fuel injection device,
- FIG. 3
- A third embodiment of a fuel injection device,
- FIG. 4
- A fourth embodiment of a fuel injection device,
- FIG. 5
- A fifth embodiment of a fuel injection device,
- FIG. 6
- A sixth embodiment of a fuel injection device,
- FIG. 7
- A seventh embodiment of a fuel injection device,
- FIG. 8
- an eighth embodiment of a fuel injection device,
- FIG. 9
- A ninth embodiment of a fuel injection device,
- FIG. 10
- A tenth embodiment of a fuel injection device,
- FIG. 11
- a section through the fuel injection device along the line XI-XI in
FIG. 10 . - FIG. 12
- an eleventh embodiment of a fuel injection device,
- FIG. 13
- A twelfth embodiment of a fuel injection device,
- FIG. 14
- A thirteenth embodiment of a fuel injection device,
- FIG. 15
- a fourteenth embodiment of a fuel injection device,
- FIG. 16
- A fifteenth embodiment of a fuel injection device,
- FIG. 17
- a sixteenth embodiment of a fuel injection device and
- FIG. 18
- a seventeenth embodiment of a fuel injection device.
Einleitend soll betont werden, dass von der Erfindung nur das Ausführungsbeispiel gemäß
In der
Das Brennstoffeinspritzventil 1 weist an seinem zulaufseitigen Ende 3 eine Steckverbindung zu einer Brennstoffverteilerleitung 4 auf, die durch einen Dichtring 5 zwischen einem Anschlussstutzen 6 der Brennstoffverteilerleitung 4, der im Schnitt dargestellt ist, und einem Zulaufstutzen 7 des Brennstoffeinspritzventils 1 abgedichtet ist. Das Brennstoffeinspritzventil 1 verfügt über einen elektrischen Anschlussstecker 8 für die elektrische Kontaktierung zur Betätigung des Brennstoffeinspritzventils 1.The
Um das Brennstoffeinspritzventil 1 und die Brennstoffverteilerleitung 4 radialkraftfrei voneinander zu beabstanden und das Brennstoffeinspritzventil 1 sicher in der Aufnahmebohrung 9 des Zylinderkopfes 17 niederzuhalten, ist ein Niederhalter 10 zwischen dem Brennstoffeinspritzventil 1 und dem Anschlussstutzen 6 vorgesehen. Der Niederhalter 10 ist als bügelförmiges Bauteil ausgeführt, z.B. als Stanz-Biege-Teil. Der Niederhalter 10 weist ein teilringförmiges Grundelement 11 auf, wobei sich dieses Grundelement 11, das nicht um 360° umläuft, sondern z.B. nur eine Erstreckung von ca. 250° bis 320° besitzt, an einer Schulter 12 des Brennstoffeinspritzventils 1 abstützt. Mit einem von dem ebenen Grundelement 11 aus abgebogenen, axial nachgiebigen Niederhaltebügel 13 liegt der Niederhalter 10 an einer stromabwärtigen Endfläche 14 des Anschlussstutzens 6 an der Brennstoffverteilerleitung 4 im eingebauten Zustand an. Der Anschlussstutzen 6 der Brennstoffverteilerleitung 4 weist an seinem stromabwärtigen Ende einen teilweise ringförmig umlaufenden, überstehenden Kragen 15 auf, an dem die Endfläche 14 zur Anlage des Niederhalters 10 mit seinem Niederhaltebügel 13 ausgebildet ist. Im Bereich des elektrischen Anschlusssteckers 8 ist der Niederhalter 10 unterbrochen, wobei der Niederhalter 10 an sich ein geschlossenes Bügelelement bildet, da der Niederhaltebügel 13 endlos mit dem Grundelement 11 verbunden ist. Auf diese Weise kann der Niederhalter 10 das Brennstoffeinspritzventil 1 umschließen und ermöglicht trotzdem das Durchragen des elektrischen Anschlusssteckers 8. Der Niederhaltebügel 13 ragt mit seinen federnden Bügeln vom Anschlussstecker 8 weg.In order to space the
Der Niederhalter 10 wird z.B. mittels Stanzen, Erodieren oder Laserschneiden aus Blechen aus Federstahl bzw. Edelstahl (mit einer Dicke von ca. 1,5 mm) herausgelöst und nachfolgend mittels Biegen in die gewünschte Form gebracht. Der Niederhalter 10 hat den Vorteil, dass die durch Biegespannung beanspruchten Flächen des Niederhalters 10, insbesondere Schrägabschnitte und Anlageabschnitte senkrecht zu Schnittkanten verlaufen, die bei dem Herauslösen des Rohlings für den Niederhalter 10 aus dem entsprechenden Blech definiert werden.The hold-down 10 is removed, for example, by punching, eroding or laser cutting from sheets of spring steel or stainless steel (with a thickness of about 1.5 mm) and subsequently brought into the desired shape by means of bending. The hold-down
Bei bekannten Brennstoffeinspritzvorrichtungen sind Brennstoffeinspritzventile derart in Aufnahmebohrungen eines Zylinderkopfes eingebaut, dass diese unmittelbar oder indirekt über Stützringe an radial verlaufenden Schultern der Aufnahmebohrungen anliegen. Ein solcher Aufbau hat zur Folge, dass sowohl durch die Niederhaltekraft von federnden Niederhaltern und Verschraubungen oder Verspannungen der Brennstoffverteilerleitung am Zylinderkopf als auch durch den in der Brennstoffverteilerleitung innen anliegenden Hochdruck des Brennstoffs das Brennstoffeinspritzventil derart in den Zylinderkopf gedrückt wird, dass eine unerwünscht hohe Körperschallübertragung vom Brennstoffeinspritzventil in den Zylinderkopf erfolgt, die in negativer Weise deutlich hörbar sein kann.In known fuel injection devices, fuel injection valves are installed in receiving bores of a cylinder head such that they rest directly or indirectly via support rings on radially extending shoulders of the receiving bores. Such a structure has the consequence that the fuel injection valve is pressed in such a way in the cylinder head both by the hold-down force of resilient downers and fittings or tension of the fuel rail on the cylinder head as well as by the fuel in the fuel supply line adjacent high pressure of the fuel, that an undesirably high structure-borne noise transmission from Fuel injection valve takes place in the cylinder head, which can be clearly audible in a negative way.
Durch diese Maßnahmen ist die Körperschallübertragung vom Brennstoffeinspritzventil 1 in den Zylinderkopf 17 deutlich reduziert. Dies wird dadurch erreicht, dass das Brennstoffeinspritzventil 1 direkt an die Brennstoffverteilerleitung 4 über einen Verbindungskörper 18 angebunden ist, aber weitgehend von der Aufnahmebohrung 9 des Zylinderkopfes 17 abgekoppelt ist. Das Brennstoffeinspritzventil 1 ist in der Aufnahmebohrung 9 des Zylinderkopfes 17 derart angeordnet, dass es anlagefrei zu allen nicht achsparallel zum Brennstoffeinspritzventil 1 verlaufenden Flächen bzw. Wandungen der Aufnahmebohrung 9 eingebracht ist. Das Brennstoffeinspritzventil 1 ist dazu in den Verbindungskörper 18 eingehängt. Der Verbindungskörper 18 ist rohrförmig ausgeführt und besitzt zum Durchgreifen des Anschlusssteckers 8 des Brennstoffeinspritzventils 1 eine Ausnehmung 19. An einer Gehäuseschulter 20 wird das Brennstoffeinspritzventil 1 von einem Haltekragen 21 oder mehreren Haltekragensegmenten des Verbindungskörpers 18 untergriffen, so dass das Brennstoffeinspritzventil 1 gegenüber einer radial verlaufenden Schulter 22 der Aufnahmebohrung 9 beabstandet frei hängt. Der Haltekragen 21 oder die mehreren Haltekragensegmenten des Verbindungskörpers 18, die das Brennstoffeinspritzventil 1 untergreifen, sind zur Gehäuseschulter 20 hin z.B. abgerundet ausgeführt, während die Gehäuseschulter 20 am Brennstoffeinspritzventil 1 beispielsweise konisch verläuft.Through these measures, the structure-borne sound transmission from the
Bis auf den ringförmigen Materialkontakt des Dichtrings 2 in achsparalleler Erstreckung des Brennstoffeinspritzventils 1 zur Aufnahmebohrung 9 liegt kein weiterer direkter Körperkontakt von Brennstoffeinspritzventil 1 bzw. indirekter Körperkontakt des Brennstoffeinspritzventils 1 über den Verbindungskörper 18 mit dem Zylinderkopf 17 vor. Der Dichtring 2 sorgt dabei selbst für eine gute Dämpfung der Körperschallübertragung. Auf der der Ausnehmung 19 gegenüberliegenden Seite weist der Verbindungskörper 18 eine weitere z.B. schlitzartige Öffnung 23 auf, in die der Kragen 15 des Anschlussstutzens 6 ebenso wie in die Ausnehmung 19 zur sicheren Befestigung des Brennstoffeinspritzventils 1 bzw. des Verbindungskörpers 18 an der Brennstoffverteilerleitung 4 eingreift.Apart from the annular material contact of the sealing
Die Brennstoffverteilerleitung 4 ist mittels Verbindungsmitteln 25, im dargestellten Ausführungsbeispiel mittels Schrauben, an dem Zylinderkopf 17 befestigt. Besonders vorteilhaft ist es, zusätzlich zur Entkopplung des Brennstoffeinspritzventils 1 vom Zylinderkopf 17 Dämpfungsscheiben 26 in diesem Verbindungsbereich von Brennstoffverteilerleitung 4 und Zylinderkopf 17 vorzusehen. Diese Dämpfungsscheiben 26 können im Bereich unterhalb des Schraubenkopfes mit einer Auflage unmittelbar an der Brennstoffverteilerleitung 4 und/oder mit einer Auflage unmittelbar am Zylinderkopf 17 angeordnet sein, so dass das Hochdruckeinspritzsystem bestehend aus Brennstoffverteilerleitung 4 und mehreren Brennstoffeinspritzventilen 1 zum Zylinderkopf 17 hin noch wirksamer entkoppelt und besser schallisoliert ist. Gegenüber bekannten Lösungen kann die ausgeübte Kraft über die Verbindungsmittel 25 reduziert werden, da die auf das Brennstoffeinspritzventil 1 wirkende Kraft des unter hohem Druck stehenden Brennstoffs durch den Verbindungskörper 18 direkt an der Verbindungsstelle von Brennstoffeinspritzventil 1 und Brennstoffverteilerleitung 4 formschlüssig aufgenommen und nicht über die Verbindungsmittel 25 geleitet wird.The
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Claims (9)
- Fuel injection device for fuel injection systems of internal combustion engines, having at least one fuel injection valve (1), having a receiving bore (9) for the fuel injection valve (1) in a cylinder head (17), having a fuel distributor line (4) with a connecting pipe (6) into which the fuel injection valve (1) is inserted in a partially overlapping fashion, with a connecting body (18) being arranged such that the fuel injection valve (1) is held therein in such a way that the fuel injection valve (1) and the connecting body (18) are inserted without coming into contact with any surfaces or walls of the receiving bore (9) of the cylinder head (17) which do not run axially parallel to the fuel injection valve (1),
characterized
in that the connecting body (18) is a slotted snap ring (59) which is inserted into the connecting pipe (6) and which surrounds the fuel injection valve (1), with the snap ring (59) being latched into a groove (60) in the connecting pipe (6). - Fuel injection device according to Claim 1, characterized in that the snap ring (59) engages into a tapered section of a feed pipe (7) of the fuel injection valve (1).
- Fuel injection device according to Claim 1 or 2, characterized in that the snap ring (59) has a conical or domed spherical abutment surface (62).
- Fuel injection device according to one of the preceding claims, characterized in that the fuel distributor line (4) is fastened to the cylinder head (17) by connecting means (25).
- Fuel injection device according to Claim 4, characterized in that in each case at least one damping disc (26) is provided in the region of the connecting means (25).
- Fuel injection device according to Claim 5, characterized in that the damping discs (26) are arranged so as to abut directly against the fuel distributor line (4) and/or so as to abut directly against the cylinder head (17).
- Fuel injection device according to one of the preceding claims, characterized in that a hold-down means (10) is braced between a shoulder (12) of the fuel injection valve (1) and an end surface (14) of the connecting pipe (6).
- Fuel injection device according to Claim 7, characterized in that the hold-down means (10) has a part-ring-shaped basic element (11), from which an axially flexible hold-down bracket (13) extends in a bent fashion.
- Fuel injection device according to Claim 8, characterized in that the hold-down bracket (13) bears against the end surface (14) of the connecting pipe (6).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510009740 DE102005009740A1 (en) | 2005-03-03 | 2005-03-03 | Fuel injection device for internal combustion engine, has connecting body arranged so that valve and body are placed at surfaces of hole of cylinder head, and damping plates in connecting area of pipeline for uncoupling valve from head |
DE200510020380 DE102005020380A1 (en) | 2005-05-02 | 2005-05-02 | Fuel injection device for internal combustion engine, has fuel injecting valve fastened directly to fuel distribution line by connection body, where valve and body are placed without abutment on surfaces of mounting hole in cylinder head |
EP06708603A EP1859160B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection device |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06708603A Division EP1859160B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection device |
EP06708603.3 Division | 2006-03-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2187039A2 EP2187039A2 (en) | 2010-05-19 |
EP2187039A3 EP2187039A3 (en) | 2010-08-11 |
EP2187039B1 true EP2187039B1 (en) | 2014-05-07 |
Family
ID=36143339
Family Applications (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10153072.3A Not-in-force EP2187039B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10152996A Not-in-force EP2187035B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP06708603A Not-in-force EP1859160B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection device |
EP10153103.6A Not-in-force EP2187041B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153043.4A Not-in-force EP2187036B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153017A Not-in-force EP2189650B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153095A Not-in-force EP2187040B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
Family Applications After (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10152996A Not-in-force EP2187035B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP06708603A Not-in-force EP1859160B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection device |
EP10153103.6A Not-in-force EP2187041B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153043.4A Not-in-force EP2187036B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153017A Not-in-force EP2189650B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
EP10153095A Not-in-force EP2187040B1 (en) | 2005-03-03 | 2006-03-02 | Fuel injection system |
Country Status (6)
Country | Link |
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US (1) | US7765984B2 (en) |
EP (7) | EP2187039B1 (en) |
JP (4) | JP4809375B2 (en) |
AT (1) | ATE457422T1 (en) |
DE (1) | DE502006006106D1 (en) |
WO (1) | WO2006092427A1 (en) |
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- 2006-03-02 EP EP10152996A patent/EP2187035B1/en not_active Not-in-force
- 2006-03-02 JP JP2007557510A patent/JP4809375B2/en not_active Expired - Fee Related
- 2006-03-02 EP EP06708603A patent/EP1859160B1/en not_active Not-in-force
- 2006-03-02 DE DE502006006106T patent/DE502006006106D1/en active Active
- 2006-03-02 EP EP10153103.6A patent/EP2187041B1/en not_active Not-in-force
- 2006-03-02 EP EP10153043.4A patent/EP2187036B1/en not_active Not-in-force
- 2006-03-02 EP EP10153017A patent/EP2189650B1/en not_active Not-in-force
- 2006-03-02 EP EP10153095A patent/EP2187040B1/en not_active Not-in-force
- 2006-03-02 US US11/885,599 patent/US7765984B2/en not_active Expired - Fee Related
- 2006-03-02 WO PCT/EP2006/060398 patent/WO2006092427A1/en active Application Filing
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2011
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2015
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Also Published As
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US20080302336A1 (en) | 2008-12-11 |
JP2008531918A (en) | 2008-08-14 |
EP2187040B1 (en) | 2013-01-09 |
DE502006006106D1 (en) | 2010-03-25 |
JP4809375B2 (en) | 2011-11-09 |
EP2187040A2 (en) | 2010-05-19 |
EP2187041A2 (en) | 2010-05-19 |
JP2011220342A (en) | 2011-11-04 |
EP2187036A3 (en) | 2010-08-11 |
US7765984B2 (en) | 2010-08-03 |
EP2187035A2 (en) | 2010-05-19 |
EP1859160A1 (en) | 2007-11-28 |
EP2187041A3 (en) | 2010-08-25 |
EP2187041B1 (en) | 2015-01-28 |
EP2187039A3 (en) | 2010-08-11 |
EP1859160B1 (en) | 2010-02-10 |
EP2187035B1 (en) | 2013-02-27 |
JP2016028201A (en) | 2016-02-25 |
EP2187036B1 (en) | 2013-07-10 |
JP2014122637A (en) | 2014-07-03 |
EP2187035A3 (en) | 2010-08-18 |
ATE457422T1 (en) | 2010-02-15 |
EP2187036A2 (en) | 2010-05-19 |
JP6038257B2 (en) | 2016-12-07 |
EP2189650B1 (en) | 2012-10-17 |
EP2189650A3 (en) | 2010-08-11 |
EP2189650A2 (en) | 2010-05-26 |
JP6120790B2 (en) | 2017-04-26 |
WO2006092427A1 (en) | 2006-09-08 |
EP2187040A3 (en) | 2010-08-11 |
EP2187039A2 (en) | 2010-05-19 |
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