EP1389683A2 - Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine - Google Patents
Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP1389683A2 EP1389683A2 EP03018429A EP03018429A EP1389683A2 EP 1389683 A2 EP1389683 A2 EP 1389683A2 EP 03018429 A EP03018429 A EP 03018429A EP 03018429 A EP03018429 A EP 03018429A EP 1389683 A2 EP1389683 A2 EP 1389683A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- valve
- connection
- pump
- fuel injection
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
Definitions
- the invention is based on one Fuel injection device for an internal combustion engine according to the preamble of claim 1.
- Such a fuel injector is known from WO 01/40656 A1 known.
- This fuel injector has a feed pump through which fuel from a Fuel tank is conveyed to a high pressure pump is, the high pressure pump fuel under high pressure in promotes a memory from which fuel for injection is removed from the internal combustion engine.
- Drive area leads at least one connection to one Return from which the amount of lubrication from the Drive area in the fuel tank is returned.
- the connection leads from at least one bearing of a drive shaft High pressure pump that forms a throttle. In the bypass a throttle is also arranged to the Limit the amount of lubrication.
- the drive area The amount of lubricant supplied is essentially dependent on Pressure after the feed pump, the design of the Throttle as a compromise must be made to the one hand limit the amount of lubricant flowing off and on the other hand a sufficient drive area lubrication sure. Especially at high temperature Fuel decreases its lubricating effect, so that under Possibly insufficient drive area lubrication more is guaranteed. Because of the throttling points limited amount of lubrication may also not be sufficient cooling of the drive area of the high pressure pump made possible.
- the fuel injection device with the Features according to claim 1 has the advantage that through the further connection controlled by the valve the amount of fuel flowing through the drive area can be varied so that sufficient lubrication and cooling can be ensured.
- FIG. 1 shows a Fuel injection device for an internal combustion engine in a schematic representation
- Figure 2 shows a high pressure pump the fuel injection device
- Figure 3 is a valve Fuel injector according to a first Embodiment
- Figure 4 shows the valve according to a second embodiment.
- FIG. 1 is a fuel injection device for a Internal combustion engine, for example of a motor vehicle shown.
- the internal combustion engine is preferably one self-igniting internal combustion engine and has one or several cylinders.
- the motor vehicle has one Fuel tank 10 in which fuel for the Operation of the internal combustion engine is stored.
- the Fuel injection device has a feed pump 12 on, through the fuel from the fuel tank 10 is promoted to a high pressure pump 14.
- the High-pressure pump 14 pumps fuel into a reservoir 16, for example tubular or in any other Form can be formed. Lines lead from memory 16 18 to arranged on the cylinders of the internal combustion engine Injectors 20 from.
- each of the injectors 20 Electrical control valve 22 arranged through one Opening of the injectors 20 is controlled so as to Fuel injection by the respective injector 20 cause or prevent fuel injection.
- the Control valves 22 are controlled by an electronic Control device 23 controlled by the depending of operating parameters of the internal combustion engine, such as for example speed, load, temperature and other, the Time and duration of fuel injection by the Injectors 20 is determined.
- the high pressure pump 14 is mechanically by the Internal combustion engine and therefore proportional to the speed of the Internal combustion engine driven.
- the feed pump 12 can also mechanically by the internal combustion engine are driven, being for the high pressure pump 14 and Feed pump 12, a common drive shaft can be provided can.
- the feed pump 12 can alternatively also, for example have an electric motor drive.
- the high pressure pump 14 can be designed as a radial piston pump be and has several, for example three evenly spaced from each other Pump elements 30 on.
- the pump elements 30 each have one tightly guided in a cylinder bore 32
- the pump pistons 34 are each one Cam ring in the form of a polygon ring 38, which on a Eccentric section of an eccentric shaft 40 is mounted, and a transmission element, for example in the form of a on the polygon ring 38 supporting piston foot 42, in one Stroke movement driven.
- the eccentric shaft 40 is in one Housing 44 of high-pressure pump 14, for example, over two Bearings 46 rotatably mounted as a plain bearing or can be designed as roller bearings.
- a or several filters are preferably a or several filters arranged.
- the fuel injector also has one Fuel metering device 56 on the connection between the feed pump 12 and the high pressure pump 14 is arranged.
- the fuel metering device 56 has for example, by an electrical actuator 57, for example an electromagnet or a piezo actuator, actuated control valve 58 through which the flow of the feed pump 12 to the high pressure pump 14 continuously is adjustable.
- the fuel metering device 56 will also controlled by the control device 23 in the Way that the high pressure pump 14 a defined Fuel quantity is supplied, which in turn by the High pressure pump 14 under high pressure in the memory 16 is promoted to a predetermined, in the memory 16 of Operating parameters of the internal combustion engine dependent pressure maintain.
- the bypass 60 has a connection 62 to the drive area of FIG High pressure pump 14 on the inside of the housing 44th arranged eccentric shaft 40 with its bearings 46, the Polygon ring 38 and the rollers 42 of the pump elements 32 includes.
- a throttle point in connection 62 64 arranged through which the flow through the connection 62 is limited. The supplied to the inside of the housing 44 Lubricant quantity of fuel reaches the bearing points 46, to the polygon ring 38 and the piston feet 42 of the Pump elements 32 and lubricates them.
- From the inside of the Housing 44 can supply the amount of lubricant fuel supplied via, for example, laxative from the bearing points 46 Drain connections 66, which lead to a return 68, the at least indirectly into the fuel tank 10 empties. There is one in each of the connections 66 Throttle point 70 arranged.
- connection 72 leads from the bypass 60, which leads to the return 68 and through a pressure valve 74 is controlled. Through the pressure valve 74 the connection 72 released when the pressure between the feed pump 12 and the fuel metering device 56 a predetermined one Value exceeds, so that then fuel directly into the Return 68 can flow. If the pressure between the Feed pump 12 and the fuel metering 56 under the opening pressure of the pressure valve 74, the Connection 72 closed by the pressure valve 74.
- connection 80 to the return 68 from which by a Valve 82 is controlled.
- the Flow cross section can be controlled in the connection 80 and thus the flow cross section for the from the Drive area outflowing fuel. If the valve 82 is closed, no connection can be made through connection 80 Fuel only flows out of the drive area through the connections 66, the flow cross section through the throttling points 70 is limited. If the valve 82 is open, in addition to connection 66 the connection 80 a further flow cross section released so that a larger amount of fuel from the Drive area of the high pressure pump 14 can drain. Overall, the valve 82 can therefore be used for the Drive area of the high pressure pump 14 flowing Amount of fuel to be changed.
- valve 82 is designed as a simple switching valve is that between a completely open and a completely closed position can be switched.
- a through the valve 82 variable flow cross-section in connection 80 can be adjusted, changing the Flow cross-section continuously or in stages can be done.
- the valve 82 is preferably dependent on the temperature of the drive area of the high pressure pump 14 supplied fuel controlled such that the valve 82 is closed at low fuel temperature or only releases a small flow cross section and at high fuel temperature is open or a large one Flow cross section releases.
- Valve 82 By controlling the Valve 82 can drive the high pressure pump 14 flow of fuel depending on the Fuel temperature, are changed so that at high Fuel temperature a larger amount of fuel Flows through the drive area and thus an improved Lubrication and cooling especially between the piston feet 42 and the polygon ring 38 is reached.
- valve 82 is according to a first Embodiment shown, in which this as electrically operated valve is formed.
- the valve 82 can for example be designed as a solenoid valve and is controlled by the control device 23.
- the valve 82 can be designed as a 2/2-way valve, which between an open and a closed position is switchable.
- the valve 82 can also be used as Proportional valve be formed by the flow cross sections of different sizes set become.
- Temperature sensor 84 arranged with the Control device 23 is connected, which is thus a signal for the fuel temperature is supplied.
- the Temperature sensor 84 may also be in the fuel tank 10 or elsewhere in the Fuel injection device may be arranged, for example in the connection between the feed pump 12 and the fuel tank 10 or the high pressure pump 14.
- the control device 23 then turns the valve 82 as explained above depending on the Fuel temperature controlled.
- the valve 82 can also be designed as a clock valve, which by the Control device 23 is opened and closed in a clocked manner, so that on average a certain opening time of the Valve 82 and thus a certain flow cross section in connection 80 results.
- Temperature sensor 84 can also be provided that the Valve 82 by the control device 23 depending on Operating parameters of the internal combustion engine, such as in particular Load and / or speed, is opened. It can be provided that the temperature limit at whose The control device 23 exceeds the valve 82 is opened, taking into account operating parameters the internal combustion engine, such as in particular load and / or Speed, is set variably.
- the valve 82 is according to a second Embodiment shown, in which this as mechanically operated valve is formed.
- the valve 82 has a switching element 86, the fuel is flowed around, depending on the fuel temperature changes its shape and thereby the flow cross-section closes or releases.
- the switching element 86 can consist in particular of bimetal, in which as a result different expansion coefficients of two different metals the shape change depending on the Fuel temperature results.
- the switching element 86 can be used as a spring can be formed, through which a valve member 88 of the valve 82 is acted upon. With increasing The fuel temperature takes the preload of the spring 86, so that the valve member 88 has a flow cross section releases in connection 80.
- valve 82 At low fuel temperature, for example less than 80 ° C, the valve 82 is closed, so that the entire Lubricant amount of fuel through the bearings 46 of the Eccentric shaft 40 via their connections 66 with the Throttling points 70 flows into the return 68. At high Fuel temperature, for example more than 80 ° C, it will Valve 82 opened and gives a flow cross section in connection 80 free.
- the drive area of the High-pressure pump 14 supplied lubricant quantity of fuel then divides depending on the design of the valve 82, especially the size of what is released by it Flow cross-section, into a subset by the Bearings 46 through their connection 66 with the Throttling points 70 flows into the return, and one Subset through the interior of the housing 44 in which the polygon ring 38 and the piston feet 42 are arranged, via the connection 80 and the open valve 82 in the Return 68 flows out.
- valve 82 When valve 82 is open, it results a larger subset of fuel coming from the interior of the housing 44 flows through the connection 80, whereby the Temperature level held in the interior of the housing 44 or can be reduced. When falling below one Valve 82 closes at predetermined temperature levels again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (11)
- Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine mit einer Förderpumpe (12), durch die Kraftstoff aus einem Kraftstoffvorratsbehälter (10) zur Saugseite einer Hochdruckpumpe (14) gefördert wird, wobei durch die Hochdruckpumpe (14) Kraftstoff unter Hochdruck in einen Speicher (16) gefördert wird, aus dem Kraftstoff zur Einspritzung an der Brennkraftmaschine entnommen wird, mit einem Bypass (60), der von der Verbindung zwischen der Förderpumpe (12) und der Hochdruckpumpe (14) zu einem Antriebsbereich (38,40,42,44,46) der Hochdruckpumpe (14) abführt, um diesem eine Schmiermenge an Kraftstoff zuzuführen, wobei vom Antriebsbereich (38,40,42,44,46) der Hochdruckpumpe (14) wenigstens eine Verbindung (66,80) zu einem Rücklauf (68) abführt, über die die Schmiermenge zum Kraftstoffvorratsbehälter (10) zurückgeführt wird, dadurch gekennzeichnet, daß vom Antriebsbereich (38,40,42,44,46) mehrere Verbindungen (66,80) zum Rücklauf (68) abführen, von denen wenigstens eine Verbindung (66) eine feste Drosselstelle (70) aufweist und wenigstens eine weitere Verbindung (80) durch ein Ventil (82) gesteuert ist.
- Kraftstoffeinspritzeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die wenigstens eine weitere Verbindung (80) durch das Ventil (82) derart gesteuert wird, daß dieses bei hoher Kraftstofftemperatur einen größeren Durchflußquerschnitt in der Verbindung (80) freigibt als bei niedriger Kraftstofftemperatur.
- Kraftstoffeinspritzeinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die wenigstens eine weitere Verbindung (80) durch das Ventil (82) bei hoher Kraftstofftemperatur geöffnet und bei niedriger Kraftstofftemperatur geschlossen wird.
- Kraftstoffeinspritzeinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß durch das Ventil (82) mit steigender Kraftstofftemperatur ein zunehmend größerer Durchflußquerschnitt in der wenigstens einen weiteren Verbindung (80) freigegeben wird.
- Kraftstoffeinspritzeinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Ventil (82) ein elektrisch betätigtes Ventil ist.
- Kraftstoffeinspritzeinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Ventil (82) ein mechanisch betätigtes Ventil ist, das ein Schaltelement (86) aufweist, das insbesondere abhängig von der Kraftstofftemperatur seine Form ändert und dadurch die Größe eines Durchflußquerschnitts der wenigstens einen weiteren Verbindung (80) verändert.
- Kraftstoffeinspritzeinrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Schaltelement (86) aus Bimetall besteht.
- Kraftstoffeinspritzeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Antriebsbereich der Hochdruckpumpe (14) eine Exzenterantriebswelle (40) aufweist, die in einem Gehäuse (44) über wenigstens eine Lagerstelle (46) gelagert ist, und einen auf einem Exzenterabschnitt von dieser im Inneren des Gehäuses (44) gelagerten Hubring (38) umfaßt, durch den wenigstens ein Pumpenkolben (34) wenigstens eines Pumpenelements (30) der Hochdruckpumpe (14) über ein sich am Hubring (38) abstützendes Übertragungselement (42) in einer Hubbewegung angetrieben wird, daß von der wenigstens einen Lagerstelle (46) der Antriebswelle (40) die wenigstens eine Verbindung (66) mit der festen Drosselstelle (70) zum Rücklauf (68) abführt und daß vom Innenraum des Gehäuses (44) die wenigstens eine weitere, durch das Ventil (82) gesteuerte Verbindung (80) zum Rücklauf (68) abführt.
- Kraftstoffeinspritzeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß im Bypass (60) eine Drosselstelle (64) angeordnet ist.
- Kraftstoffeinspritzeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß in der Verbindung zwischen der Förderpumpe (12) und der Hochdruckpumpe (14) eine Kraftstoffzumeßeinrichtung (56) angeordnet ist, durch die der Zufluß von Kraftstoff von der Förderpumpe (12) zur Hochdruckpumpe (14) derart eingestellt wird, daß durch die Hochdruckpumpe (14) eine Kraftstoffmenge in den Speicher (16) gefördert wird, die erforderlich ist, um im Speicher (16) einen vorgegebenen Druck aufrechtzuerhalten, und daß der Bypass (60) zwischen der Förderpumpe (12) und der Kraftstoffzumeßeinrichtung (56) abführt.
- Kraftstoffeinspritzeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Bypass (60) über ein Druckventil (74) bei Überschreiten eines vorgegebenen Drucks mit einem Rücklauf (68) verbindbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002137592 DE10237592A1 (de) | 2002-08-16 | 2002-08-16 | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
DE10237592 | 2002-08-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1389683A2 true EP1389683A2 (de) | 2004-02-18 |
EP1389683A3 EP1389683A3 (de) | 2005-11-30 |
EP1389683B1 EP1389683B1 (de) | 2013-07-24 |
Family
ID=30469775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030018429 Expired - Lifetime EP1389683B1 (de) | 2002-08-16 | 2003-08-14 | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1389683B1 (de) |
DE (1) | DE10237592A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006053792A1 (de) * | 2004-11-17 | 2006-05-26 | Siemens Aktiengesellschaft | Pumpenanordnung |
EP1911964A1 (de) * | 2006-10-12 | 2008-04-16 | Robert Bosch Gmbh | Kraftstoffhochdruckpumpe und Kraftstoffeinspritzsystem für eine Brennkraftmaschine |
WO2009068448A1 (en) * | 2007-11-30 | 2009-06-04 | Robert Bosch Gmbh | High-pressure pump |
WO2009141188A1 (en) * | 2008-05-23 | 2009-11-26 | Robert Bosch Gmbh | Method and system for feeding fuel to an internal combustion engine |
ITMI20081281A1 (it) * | 2008-07-14 | 2010-01-15 | Bosch Gmbh Robert | Metodo e circuito di lubrificazione di una pompa di alta pressione per alimentare combustibile a un motore a combustione interna e impianto di alimentazione di combustibile comprendente tale circuito |
ITMI20092271A1 (it) * | 2009-12-22 | 2011-06-23 | Bosch Gmbh Robert | Impianto di alimentazione del carburante da un serbatoio ad un motore a combustione interna |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013216468A1 (de) * | 2013-08-20 | 2015-02-26 | Volkswagen Aktiengesellschaft | Kraftstoffförderereinrichtung und Verfahren zum Betreiben einer Kraftstofffördereinrichtung |
DE102014206432B4 (de) | 2014-04-03 | 2023-04-20 | Ford Global Technologies, Llc | Kraftstoffleitungsanordnung für ein Kraftstoffeinspritzsystem |
DE102018216176A1 (de) * | 2018-09-21 | 2020-03-26 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für eine Brennkraftmaschine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926308A1 (de) | 1999-06-09 | 2000-12-21 | Bosch Gmbh Robert | Pumpenanordnung für Kraftstoff |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19746563A1 (de) * | 1997-10-22 | 1999-04-29 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE10106095A1 (de) * | 2001-02-08 | 2002-08-29 | Bosch Gmbh Robert | Kraftstoffsystem, Verfahren zum Betreiben des Kraftstoffsystems, Computerprogramm sowie Steuer- und/oder Regelgerät zur Steuerung des Kraftstoffsystems |
-
2002
- 2002-08-16 DE DE2002137592 patent/DE10237592A1/de not_active Withdrawn
-
2003
- 2003-08-14 EP EP20030018429 patent/EP1389683B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926308A1 (de) | 1999-06-09 | 2000-12-21 | Bosch Gmbh Robert | Pumpenanordnung für Kraftstoff |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006053792A1 (de) * | 2004-11-17 | 2006-05-26 | Siemens Aktiengesellschaft | Pumpenanordnung |
EP1911964A1 (de) * | 2006-10-12 | 2008-04-16 | Robert Bosch Gmbh | Kraftstoffhochdruckpumpe und Kraftstoffeinspritzsystem für eine Brennkraftmaschine |
WO2009068448A1 (en) * | 2007-11-30 | 2009-06-04 | Robert Bosch Gmbh | High-pressure pump |
WO2009141188A1 (en) * | 2008-05-23 | 2009-11-26 | Robert Bosch Gmbh | Method and system for feeding fuel to an internal combustion engine |
ITMI20081281A1 (it) * | 2008-07-14 | 2010-01-15 | Bosch Gmbh Robert | Metodo e circuito di lubrificazione di una pompa di alta pressione per alimentare combustibile a un motore a combustione interna e impianto di alimentazione di combustibile comprendente tale circuito |
ITMI20092271A1 (it) * | 2009-12-22 | 2011-06-23 | Bosch Gmbh Robert | Impianto di alimentazione del carburante da un serbatoio ad un motore a combustione interna |
WO2011076526A1 (en) * | 2009-12-22 | 2011-06-30 | Robert Bosch Gmbh | System for feeding fuel from a tank to an internal combustion engine |
CN102713295A (zh) * | 2009-12-22 | 2012-10-03 | 罗伯特·博世有限公司 | 用于从存储箱向内燃机供给燃料的系统 |
JP2013515191A (ja) * | 2009-12-22 | 2013-05-02 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | タンクから内燃機関へと燃料を供給するシステム |
CN102713295B (zh) * | 2009-12-22 | 2015-06-24 | 罗伯特·博世有限公司 | 用于从存储箱向内燃机供给燃料的系统 |
US9133804B2 (en) | 2009-12-22 | 2015-09-15 | Robert Bosch Gmbh | System for feeding fuel from a tank to an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
EP1389683B1 (de) | 2013-07-24 |
DE10237592A1 (de) | 2004-03-11 |
EP1389683A3 (de) | 2005-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1476654B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP2032832B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1296060B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1537325B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1476656B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE3235413A1 (de) | Brennstoffeinspritzvorrichtung | |
DE10139054C1 (de) | Verfahren, Computerprogramm, Steuer- und/oder Regelgerät sowie Kraftstoffsystem für eine Brennkraftmaschine, insbesondere mit Direkteinspritzung | |
EP1350948A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1389683B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1530681B2 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10139055A1 (de) | Verfahren, Computerprogramm, Steuer- und/oder Regelgerät sowie Kraftstoffsystem für eine Brennkraftmaschine | |
DE102011089399A1 (de) | Pumpe, insbesondere Kraftstoffhochdruckpumpe für eine Kraftstoffeinspritzeinrichtung | |
DE3300763A1 (de) | Hydraulische einrichtung zum betaetigen von gaswechselventilen | |
DE102010003517A1 (de) | Kraftstofffördereinrichtung für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine | |
EP1361359B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
DE19738502A1 (de) | System zur Hochdruckerzeugung | |
DE10219786A1 (de) | Druckversorgungseinrichtung für eine elektrohydraulische Ventilsteuerung von Gaswechselventilen in Brennkraftmaschinen | |
DE19839579C1 (de) | Einspritzsystem | |
DE19927804A1 (de) | Kraftstoffversorgungsanlage für eine Brennkraftmaschine | |
WO2018215093A1 (de) | Einrichtung zur verstellung des hubes eines ventils von verbrennungsmotoren | |
WO2005038236A1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10205811A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1348865A2 (de) | Hochdruck-Kraftstoffpumpe für ein Kraftstoffsystem einer Brennkraftmaschine | |
DE10004778A1 (de) | Kolbenpumpe mit Konstantdruckregelung zur Förderung von Flüssigkeit | |
DE102013101417A1 (de) | Versorgungsvorrichtung für Kraftstoffinjektoren |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7F 04B 1/04 A Ipc: 7F 04B 53/18 B Ipc: 7F 04B 23/04 B |
|
17P | Request for examination filed |
Effective date: 20060530 |
|
AKX | Designation fees paid |
Designated state(s): DE FR GB |
|
17Q | First examination report despatched |
Effective date: 20090730 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 50314846 Country of ref document: DE Effective date: 20130919 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20140505 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20131024 |
|
26N | No opposition filed |
Effective date: 20140425 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20131024 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 50314846 Country of ref document: DE Effective date: 20140425 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130924 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20191021 Year of fee payment: 17 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50314846 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210302 |