DE102010030429A1 - Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape - Google Patents
Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape Download PDFInfo
- Publication number
- DE102010030429A1 DE102010030429A1 DE201010030429 DE102010030429A DE102010030429A1 DE 102010030429 A1 DE102010030429 A1 DE 102010030429A1 DE 201010030429 DE201010030429 DE 201010030429 DE 102010030429 A DE102010030429 A DE 102010030429A DE 102010030429 A1 DE102010030429 A1 DE 102010030429A1
- Authority
- DE
- Germany
- Prior art keywords
- injector
- sealing seat
- valve piece
- seat
- armature
- 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- Withdrawn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
Images
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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Stand der TechnikState of the art
Die Erfindung betrifft einen Injektor, insbesondere Common-Rail-Injektor, nach dem Oberbegriff des Anspruchs 1.The invention relates to an injector, in particular a common rail injector, according to the preamble of claim 1.
Ein derartiger Injektor ist aus der nachveröffentlichten
Weiterhin ist es aus der
Offenbarung der ErfindungDisclosure of the invention
Ausgehend von dem dargestellten Stand der Technik liegt der Erfindung die Aufgabe zugrunde einen Injektor, insbesondere Common-Rail-Injektor, nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass dieser besonders kostengünstig, bei gleichzeitig guter Funktionalität, hergestellt werden kann. Diese Aufgabe wird bei einem Injektor mit den Merkmalen des Anspruchs 1 gelöst.Based on the illustrated prior art, the present invention seeks to further develop an injector, in particular common rail injector, according to the preamble of claim 1 such that it can be particularly cost-effective, with good functionality at the same time. This object is achieved in an injector with the features of claim 1.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Injektors sind in den Unteransprüchen angegeben. In den Rahmen der Erfindung fallen sämtliche Kombinationen aus zumindest zwei von in den Ansprüchen, der Beschreibung und/oder den Figuren offenbarten Merkmalen.Advantageous developments of the injector according to the invention are specified in the subclaims. All combinations of at least two of the features disclosed in the claims, the description and / or the figures fall within the scope of the invention.
Die erforderlichen Öffnungskräfte des Magnetankers lassen sich zur Erzielung einer besseren Dynamik bzw. Verkürzung der Schaltzeiten reduzieren, wenn wenigstens eine weitere Ablaufbohrung vorgesehen ist, die einen Hochdruckraum mit dem Entlastungsraum verbindet. Dadurch herrscht in dem Entlastungsraum bei geschlossenem erstem Dichtsitz ein relativ großer Druck, der in Richtung des Ventilelements wirkt.The required opening forces of the magnet armature can be reduced to achieve better dynamics or shortening of the switching times, if at least one further drain hole is provided, which connects a high-pressure chamber with the discharge chamber. As a result, there is a relatively large pressure acting in the direction of the valve element in the discharge chamber when the first sealing seat is closed.
In einer besonders vorteilhaften konstruktiven Umsetzung wird vorgeschlagen, dass die wenigstens eine weitere Ablaufbohrung im Ventilstück ausgebildet ist, dass das Ventilstück einen im Durchmesser reduzierten Abschnitt aufweist, das zwischen dem im Durchmesser reduzierten Abschnitt des Ventilstücks und einem Injektorgehäuse ein ringförmiger Bereich des Hochdruckraums ausgebildet ist und, dass die wenigstens eine weitere Ablaufbohrung im Ventilstück im Bereich des ringförmigen Hochruckraums mündet.In a particularly advantageous constructive implementation, it is proposed that the at least one further drainage bore is formed in the valve piece, that the valve piece has a reduced diameter portion which is formed between the reduced diameter portion of the valve piece and an injector an annular region of the high pressure chamber and in that the at least one further drainage hole in the valve piece opens in the region of the annular high-pressure space.
Eine relativ einfache und zuverlässige Führung des Magnetankers wird ermöglicht, wenn der Magnetanker mit einem zylindrischen Abschnitt in einer Führungsbohrung des Ventilstücks geführt ist.A relatively simple and reliable guidance of the armature is made possible when the armature is guided with a cylindrical portion in a guide bore of the valve piece.
Hierbei ist es besonders bevorzugt vorgesehen, dass der zylindrische Abschnitt zumindest annähernd den gleichen Durchmesser aufweist wie der erste Dichtsitz. Dadurch lässt sich ein druckausgeglichenes Ventil ausbilden.It is particularly preferably provided that the cylindrical portion has at least approximately the same diameter as the first sealing seat. As a result, a pressure-balanced valve can be formed.
Eine besonders einfache Einstellung bzw. Montage der Einzelteile des Injektors zum Ausgleich von Fertigungstoleranzen lässt sich ermöglichen, wenn der axiale Abstand des Ventilelements zum ersten Dichtsitz bei geöffnetem erstem Dichtsitz über eine Distanzhülse einstellbar ist und, wenn die Distanzhülse mit einer Überwurfmutter gegen das Gehäuse des Injektors axial verspannbar ist.A particularly simple adjustment or assembly of the individual parts of the injector to compensate for manufacturing tolerances can be made possible when the axial distance of the valve member to the first sealing seat with open first sealing seat is adjustable via a spacer sleeve and, if the spacer sleeve with a union nut against the housing of the injector is axially clamped.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnungen.Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawings.
Diese zeigt in:This shows in:
Der in den Figuren dargestellte Injektor
Der Injektor
Der in den ersten Abschnitt
Zwischen dem Hochdruckraum
In der Führungsbohrung
Eine Druckfeder
Auf der dem ersten Dichtsitz
Zwischen der Spannmutter
Der soweit beschriebene Injektor
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102009000300 A1 [0002] DE 102009000300 A1 [0002]
- DE 102008001597 A1 [0003] DE 102008001597 A1 [0003]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010030429 DE102010030429A1 (en) | 2010-06-23 | 2010-06-23 | Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010030429 DE102010030429A1 (en) | 2010-06-23 | 2010-06-23 | Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010030429A1 true DE102010030429A1 (en) | 2011-12-29 |
Family
ID=45115736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201010030429 Withdrawn DE102010030429A1 (en) | 2010-06-23 | 2010-06-23 | Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102010030429A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013172764A1 (en) * | 2012-05-16 | 2013-11-21 | Scania Cv Ab | Vavle for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine |
CN103967666A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Hydraulic controller of center hole pressure accumulation type common rail fuel injector |
CN110242460A (en) * | 2019-06-13 | 2019-09-17 | 一汽解放汽车有限公司 | A kind of balanced type two-bit triplet fuel injection valve |
WO2024148804A1 (en) * | 2023-01-13 | 2024-07-18 | 英嘉动力科技无锡有限公司 | High-frequency switch valve |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008001597A1 (en) | 2008-05-06 | 2009-11-12 | Robert Bosch Gmbh | Fuel injector |
DE102009000300A1 (en) | 2009-01-19 | 2010-07-22 | Robert Bosch Gmbh | Fuel injector |
-
2010
- 2010-06-23 DE DE201010030429 patent/DE102010030429A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008001597A1 (en) | 2008-05-06 | 2009-11-12 | Robert Bosch Gmbh | Fuel injector |
DE102009000300A1 (en) | 2009-01-19 | 2010-07-22 | Robert Bosch Gmbh | Fuel injector |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013172764A1 (en) * | 2012-05-16 | 2013-11-21 | Scania Cv Ab | Vavle for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine |
CN104285057A (en) * | 2012-05-16 | 2015-01-14 | 斯堪尼亚商用车有限公司 | Valve for fuel system for combustion engine and method for controlling fuel system for combustion engine |
KR20150006885A (en) * | 2012-05-16 | 2015-01-19 | 스카니아 씨브이 악티에볼라그 | Vavle for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine |
KR101626535B1 (en) | 2012-05-16 | 2016-06-13 | 스카니아 씨브이 악티에볼라그 | Vavle for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine |
CN104285057B (en) * | 2012-05-16 | 2017-07-18 | 斯堪尼亚商用车有限公司 | Valve and the method for the fuel system of control combustion engine for the fuel system of combustion engine |
US9964089B2 (en) | 2012-05-16 | 2018-05-08 | Scania Cv Ab | Valve for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine |
CN103967666A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Hydraulic controller of center hole pressure accumulation type common rail fuel injector |
CN110242460A (en) * | 2019-06-13 | 2019-09-17 | 一汽解放汽车有限公司 | A kind of balanced type two-bit triplet fuel injection valve |
CN110242460B (en) * | 2019-06-13 | 2021-06-22 | 一汽解放汽车有限公司 | Balanced two-position three-way fuel injection valve |
WO2024148804A1 (en) * | 2023-01-13 | 2024-07-18 | 英嘉动力科技无锡有限公司 | High-frequency switch valve |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3478957B1 (en) | Valve for injecting gaseous fuel | |
DE102011078407A1 (en) | Switching valve for controlling a fuel injector and fuel injector | |
DE102010028835A1 (en) | fuel injector | |
DE102011089198A1 (en) | Solenoid valve for e.g. common rail injector used for injecting fuel into combustion chamber of combustion engine, has damping sleeve that is movably arranged along longitudinal axis by force of spring element towards sealing surface | |
DE102010030429A1 (en) | Injector i.e. common-rail injector, for injecting fuel into combustion chamber of internal combustion engine, has seat surface whose sealing seat is formed at armature, and valve element formed in ball shape | |
WO2015043637A1 (en) | Metering unit | |
DE102010041109A1 (en) | Fuel injector for use in e.g. common-rail system, for injecting fuel into combustion chamber of self-ignition combustion engine, has magnetic armature and actuator arranged in injector housing end region that lies opposite to aperture | |
DE102008040680A1 (en) | Fuel injector | |
DE102014217441A1 (en) | Electromagnetically actuated proportional valve | |
DE102012220027A1 (en) | Switching valve for common-rail fuel injector for injecting diesel into combustion chamber of internal combustion engine, has control space filled with fuel via hole, and closing element closing hole in position for pressure relief of space | |
DE102012211394A1 (en) | Metering unit for fuel pump i.e. high pressure pump, of fuel injection system for air-compressing, self-igniting internal combustion engine, has valve body actuated indirectly by actuator and transition case made of plastic material | |
DE102014225392A1 (en) | Nozzle assembly for a fuel injector and fuel injector | |
DE102008042158A1 (en) | Fuel injector | |
WO2018082866A1 (en) | Fuel injection valve for injecting a gaseous and/or liquid fuel | |
DE102010039191A1 (en) | Fuel injector, particularly common-rail-injector, for injecting fuel in combustion chamber of internal combustion engine, has injection valve element that is adjustable between closing position and open position | |
EP2438288B1 (en) | Switching valve | |
DE102006047935A1 (en) | Fuel injector for an internal combustion engine | |
DE102012224247A1 (en) | Fuel injector i.e. common-rail injector, for use with self-ignition engine, has magnet armature indirectly connected with coupler, which delimits adjusting element over coupling element by spring element | |
DE102010040323A1 (en) | Fuel injector i.e. common-rail injector, for common-rail injection system to inject fuel into combustion chamber of combustion engine for motor car, has nozzle needle designed as pressure-balanced valve needle in closing position | |
DE102007022587A1 (en) | Injector with pressure compensated control valve | |
EP3032090A1 (en) | Switching or pressure control valve for a fuel injection system | |
DE102006048727A1 (en) | Fuel injector with solenoid valve | |
DE102009051677B4 (en) | Injector | |
DE102010038556A1 (en) | Fuel injector i.e. common-rail injector, for proportioning and/or delivering fuel into combustion chamber of internal combustion engine, has collar formed at disk shaped component that is connected to and separated from guide element | |
DE102008055177A1 (en) | Fuel injector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R005 | Application deemed withdrawn due to failure to request examination |