EP1060334B1 - Radialkolbenpumpe zur kraftstoffhochdruckerzeugung - Google Patents
Radialkolbenpumpe zur kraftstoffhochdruckerzeugung Download PDFInfo
- Publication number
- EP1060334B1 EP1060334B1 EP99907315A EP99907315A EP1060334B1 EP 1060334 B1 EP1060334 B1 EP 1060334B1 EP 99907315 A EP99907315 A EP 99907315A EP 99907315 A EP99907315 A EP 99907315A EP 1060334 B1 EP1060334 B1 EP 1060334B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- piston pump
- radial piston
- pump according
- groove
- 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.)
- Expired - Lifetime
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
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
- F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
-
- 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
- F04B1/0408—Pistons
-
- 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
- F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
-
- 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
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
Definitions
- the invention relates to a radial piston pump for High-pressure fuel generation in fuel injection systems of internal combustion engines, especially in a common rail injection system, with one stored in a pump housing Drive shaft which is eccentric or in Has circumferential cam-like elevations, and with preferably several radially in relation to the drive shaft a piston arranged in each cylinder space, at the ends facing the drive shaft each have a plate is attached, which has a blind hole in the middle, in which is the end of the associated piston, wherein the piston has a groove on its circumference in which a snap ring is attached to a plate holder on the To attach the piston that holds the plate to the piston.
- the invention is therefore based on the problem of a Provide radial piston pump, which at a Partial filling of the cylinder pressures from to withstands up to 2000 bar and is still simple and inexpensive can be manufactured.
- the problem is with a radial piston pump High-pressure fuel generation in fuel injection systems of internal combustion engines, especially in a common rail injection system, with one stored in a pump housing Drive shaft which is eccentric or in Has circumferential cam-like elevations, and with preferably several radially in relation to the drive shaft a piston arranged in each cylinder space, at the ends facing the drive shaft each have a plate is attached, which has a blind hole in the middle, in which is the end of the associated piston, wherein the piston has a groove on its circumference in which a snap ring is attached to a plate holder on the To attach the piston that holds the plate to the piston, solved in that at the edge of the blind hole in the plate a cylinder countersink is attached, the game between the snap ring and the circumference of the cylinder countersink is smaller than the depth of the groove.
- the cylinder countersink is used for mounting of the snap ring, more precisely, to accommodate the part of the Snap ring that protrudes from the groove.
- This dimensioning of the groove and the Snap rings provide the advantage that the snap ring is always in the Groove base lies and not on the edges of the groove. Thereby damage to the seat is avoided and the Snap ring preload can be optimally used.
- the Snap ring preload can be increased by the thickness and the diameter of the snap ring and the diameter of the groove increase.
- Another special embodiment of the invention is characterized in that the area of Plate holder, which rests on the snap ring, radially to the Piston expands and is flat. This is the Snap ring more visible before the plate in the Plate holder is used.
- the Assembly is simplified and assembly errors Radial piston pump according to the invention can be avoided. Consequently can save valuable time and target zero errors can be better realized.
- Another special embodiment of the invention is characterized in that a step on the plate holder is trained.
- the stage is used in an advantageous manner Centering a spring that is used to hold the plate to bias towards the drive shaft.
- Another special embodiment of the invention is characterized in that the plate has a circumference Has groove in which a retaining ring is received, the abuts the plate holder. Due to the elastic Circlip becomes a non-positive and therefore free of play Connection between the plate holder and the plate reached. This ensures that the piston foot in the Operation remains in contact with the plate. When inserting the Plate in the plate holder gives way to the locking ring, see above that the plate holder can be rigid.
- Another special embodiment of the invention is characterized in that on the plate holder Snap segments are formed on the circumference of the plate issue.
- the snap segments have compared to those from the Prior art known claws have the advantage that they are more stable due to their size.
- Another special embodiment of the invention is characterized in that the ends of the snap segments are each slightly bent outwards. This will make the Assembly of the plate simplified in an advantageous manner, because spread when inserting the plate into the plate holder the snap segments bent slightly outwards automatically.
- Another special embodiment of the invention is characterized in that the ends of the snap segments each have a bevel. This will do the same Effect achieved as with the slightly curved outwards Snap segments.
- the assembly of the plate is simplified.
- Another special embodiment of the invention is characterized in that between the drive shaft and the plate is a polygonal or cylindrical ring is arranged.
- the ring is used to transmit the forces from the eccentrically designed drive shaft on the plate.
- the ring is advantageously sliding on the drive shaft stored.
- the ring can either be cylindrical be formed or be flattened.
- the present invention generally has the advantage that Basic idea of the present invention in a simple manner and Be applied to existing radial piston pumps can.
- the component strength, especially at a zero funding in the suction stroke, increased without the installation space the radial piston pump increases.
- Figure 1 shows a section of a conventional Radial piston pump for high-pressure fuel generation Fuel injection systems for internal combustion engines.
- FIG 1 is only the part of the radial piston pump in section to which it is shown in the present invention arrives.
- the basic structure of a radial piston pump is for example from German patent DE 42 16 877 C2 is assumed to be known and is therefore only in the following briefly described.
- the radial piston pump according to the invention is particularly in Common rail fuel injection systems for Diesel engines used.
- “Common rail” means so much like “common management”, “common rail” or “common distribution bar”.
- High pressure injection systems in which the fuel is over separate lines to the individual combustion chambers are promoted the injectors in common rail injection systems fed from a common line.
- Radial piston pump includes one in a pump housing mounted drive shaft with an eccentrically trained Shaft section.
- On the eccentric shaft section is a polygonal ring is provided against which the Shaft section is rotatable.
- the ring comprises several mutually offset flats against each other Piston 1 is supported.
- the pistons 1 are each in one Cylinder chamber 2 towards the drive shaft in the radial direction movably added.
- a plate holder 4 also called a cage or spring plate is referred to, on the associated piston 1st held.
- the plate 3 is countered by a spring 5 pressed the ring (not shown).
- a snap ring 6 is mounted in a groove 7 of the piston 1.
- Figure 2 is divided into Figures 2a, 2b and 2c.
- Figure 2a is a section of an inventive Radial piston pump shown, which is the representation of figure 1 is similar in structure. Therefore simplicity the same for parts that appear in both figures Reference numerals used.
- Figure 2b is the plate holder shown from Figure 2a alone.
- Figure 2c is one View of the plate holder in the direction of arrow A in Figure 2a shown.
- FIG. 1 There is a plate 3 on the piston 1 shown in FIG. 1 appropriate.
- the plate 3 is supported by a plate holder 4 the piston 1 held.
- a snap ring 6 mounted in a groove 7 on the circumference of the piston 1 is provided.
- the plate holder 4 by a Spring (see Figure 1) pressed against the snap ring 6.
- the dimensioning of the snap ring 6 and the cylinder countersink 26 is shown enlarged in FIG.
- the tolerances are according to the invention chosen so that the snap ring 6 is always in the Lowering 26 lies.
- Dimension 1 is designed so that it is always smaller than dimension even with the most unfavorable tolerance position. 2. This locks the snap ring 6 in the depression 26 and cannot slide off the piston 1.
- the dimensioning of the snap ring 6 and the groove 7 is in Figure 6 is shown enlarged.
- the tolerances of the groove 7 and of the snap ring 6 are chosen so that the snap ring 6 always in the groove base 60 and not at the edges 61, 62 of the groove 7. This prevents damage to the seat.
- the Wire diameter of the snap ring 6, the diameter of the Snap rings 6 and the diameter of the groove enlarged. Thereby a higher snap ring preload can be realized than in the solution shown in Figure 1.
- the Region of the plate holder 4 which bears against the piston 1 which bears against the piston 1, the shape of a round disc 20, which is radial to the Piston 1 extends. This ensures that the groove 7th can be viewed before the plate 3 in the Plate holder 4 is used.
- the plate 3 is with a Bevel 25 equipped, which is spaced from the stage 21 is.
- Three snap segments 22 extend from step 20 parallel to the piston 1.
- the ends 23 of the snap segments 22 are first bent inwards and then slightly outwards.
- the inwardly curved piece of the snap segments 22 forms in the plate holder 4 an annular space, which is used to hold a Federal 24 is used, which is formed on the plate 3.
- the outwardly bent end pieces 23 of the snap segments 22 facilitate the insertion of the plate 3 in the plate holder 4th
- FIG. 3 In the embodiment shown in FIG. 3, as in FIG Figure 2a, only a portion of a piston 1 shown.
- the End of the piston 1 is received in a blind hole 9, the is mounted centrally in a plate 3.
- the plate 3 is held by a plate holder 4 on the piston 1.
- the Plate holder 4 is on the piston 1 by a snap ring 6 attached.
- the snap ring 6 is partially in a groove 7 of the Piston 1 and partially in a cylinder countersink 26 Plate 3 added.
- the plate holder 4 is around a rotating part on which a step 21 is formed. Of the stage 21 extends parallel to the piston 1 continuous collar 32.
- the edge of the collar 32 of the Plate holder 4 is provided with a bevel 40, which facilitates the assembly of the plate 3.
- a groove 30 is attached to the circumference of the round plate 3, in a locking ring 31 is received.
- the locking ring 31 is resilient and can be used in the assembly of Plate 3 are pressed into the groove 30. That has the advantage, that the plate holder 4 with the continuous collar 32 and can be rigid.
- the plate holder 4 in contrast to that in FIG. 3 shown embodiment as a deep-drawn part with rounded Edges formed.
- the edge of the collar 32 of the Plate holder 4 as in that shown in Figure 3 Design, with a 40-bevel, which the Assembly of the plate 3 facilitated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
- Figur 1
- zeigt einen Kolben und eine Platte von einer herkömmlichen Radialkolbenpumpe;
- Figur 2
- zeigt einen Kolben und eine Platte von einer Radialkolbenpumpe gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
- Figur 3
- zeigt einen Kolben und eine Platte von einer Radialkolbenpumpe gemäß einer zweiten Ausführungsform der vorliegenden Erfindung;
- Figur 4
- zeigt einen Kolben und eine Platte von einer Radialkolbenpumpe gemäß einer dritten Ausführungsform der vorliegenden Erfindung;
- Figur 5
- zeigt eine vergrößerte Darstellung des Sprengrings in der Zylindersenkung; und
- Figur 6
- zeigt eine vergrößerte Darstellung des Sprengrings in der Nut.
Claims (9)
- Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen, insbesondere bei einem Common-Rail-Einspritzsystem, mit einer in einem Pumpengehäuse gelagerten Antriebswelle, die exzentrisch ausgebildet ist oder in Umfangsrichtung nockenartige Erhebungen aufweist, und mit vorzugsweise mehreren bezüglich der Antriebswelle radial in einem jeweiligen Zylinderraum (2) angeordneten Kolben (1), an deren zur Antriebswelle gewandten Enden jeweils eine Platte (3) angebracht ist, die in der Mitte ein Sackloch (9) aufweist, in welches das Ende des zugehörigen Kolbens (1) aufgenommen ist, wobei der Kolben (1) auf seinem Umfang eine Nut (7) aufweist, in der ein Sprengring (6) angebracht ist, um'einen Plattenhalter (4) an dem Kolben (1) zu befestigen, der die Platte (3) an dem Kolben (1) hält,
dadurch gekennzeichnet, daß an dem Rand des Sacklochs (9) in der Platte (3) eine Zylindersenkung (26) angebracht ist, wobei der Durchmesser der Zylindersenkung (26) so dimensioniert ist, daß das Spiel zwischen dem Sprengring (6) und dem Umfang der Zylindersenkung (26) kleiner ist als die Tiefe der Nut (7). - Radialkolbenpumpe nach Anspruch 1, dadurch gekennzeichnet, daß der Radius der Nut (7) größer ist als der Drahtradius des Sprengrings (6).
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, daß sich der Bereich (20) des Plattenhalters (4), der an dem Sprengring (6) anliegt, radial zu dem Kolben (1) ausdehnt und eben ausgebildet ist.
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß an dem Plattenhalter (4) radial außen an einen scheibenförmigen Bereich (20) angrenzend eine Stufe (21) ausgebildet ist.
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Platte (3) an ihrem Umfang eine Nut (30) aufweist, in die ein Sicherungsring (31) aufgenommen ist, der an dem Plattenhalter (3) anliegt.
- Radialkolbenpumpe nach einem Ansprüche 1 bis 4, dadurch gekennzeichnet, daß an dem Plattenhalter (3) Schnappsegmente (22) ausgebildet sind, die am Umfang der Platte (3) anliegen.
- Radialkolbenpumpe nach Anspruch 6, dadurch gekennzeichnet, daß die Enden (23) der Schnappsegmente (22) jeweils leicht nach außen gebogen sind.
- Radialkolbenpumpe nach Anspruch 6, dadurch gekennzeichnet, daß die Enden (40) der Schnappsegmente (22) jeweils eine Abschrägung aufweisen.
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen der Antriebswelle und der Platte (3) ein polygonförmiger oder zylindrischer Ring angeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19809315 | 1998-03-05 | ||
DE19809315A DE19809315A1 (de) | 1998-03-05 | 1998-03-05 | Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung |
PCT/DE1999/000345 WO1999045271A1 (de) | 1998-03-05 | 1999-02-09 | Radialkolbenpumpe zur kraftstoffhochdruckerzeugung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1060334A1 EP1060334A1 (de) | 2000-12-20 |
EP1060334B1 true EP1060334B1 (de) | 2004-09-29 |
Family
ID=7859738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99907315A Expired - Lifetime EP1060334B1 (de) | 1998-03-05 | 1999-02-09 | Radialkolbenpumpe zur kraftstoffhochdruckerzeugung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6412474B1 (de) |
EP (1) | EP1060334B1 (de) |
JP (1) | JP2002506163A (de) |
DE (2) | DE19809315A1 (de) |
WO (1) | WO1999045271A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10039210A1 (de) * | 2000-08-10 | 2002-02-28 | Siemens Ag | Radialkolbenpumpe mit zweiteiligem Federträger |
DE10150351A1 (de) * | 2001-10-15 | 2003-05-08 | Bosch Gmbh Robert | Pumpenelement und Kolbenpumpe zur Kraftstoffhochdruckerzeugung |
DE10157375A1 (de) * | 2001-11-22 | 2003-06-05 | Daimler Chrysler Ag | Hochdruckpumpe |
DE10200792A1 (de) * | 2002-01-11 | 2003-07-31 | Bosch Gmbh Robert | Kraftstoffpumpe für eine Brennkraftmaschine |
DE10203600B4 (de) * | 2002-01-30 | 2004-12-23 | Siemens Ag | Leckageanschluss zum Anbringen einer Leckageleitung an einen Kraftstoffinjektor |
DE10326879A1 (de) * | 2003-06-14 | 2004-12-30 | Daimlerchrysler Ag | Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen |
GB2463823B (en) * | 2005-05-17 | 2010-06-09 | Thomas Industries Inc | Pump improvements |
US7726000B2 (en) * | 2005-05-17 | 2010-06-01 | Dana Automotive Systems Group, Llc | Method of securing first and second splined members together |
FR2899285B1 (fr) | 2006-03-31 | 2008-06-27 | Poclain Hydraulics Ind Soc Par | Piston pour un moteur hydraulique a pistons radiaux et son procede de fabrication |
DE102006032244A1 (de) * | 2006-07-12 | 2008-01-17 | Siemens Ag | Radialkolbenpumpe für Hochdruck-Einspritzsysteme |
CN102588249B (zh) * | 2006-09-05 | 2015-01-21 | 嘉德纳丹佛托马斯公司 | 用于压缩机或泵的流体摄入和排出配件 |
ES2542856T3 (es) * | 2007-10-12 | 2015-08-12 | Delphi International Operations Luxembourg S.À R.L. | Mejoras relacionadas con bombas de combustible |
DE102008000824A1 (de) * | 2008-03-26 | 2009-10-01 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
IT1401914B1 (it) * | 2010-09-01 | 2013-08-28 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna e relativo metodo di assemblaggio |
JP5352646B2 (ja) * | 2011-01-27 | 2013-11-27 | 株式会社日本自動車部品総合研究所 | 高圧ポンプ |
US20130084198A1 (en) * | 2011-10-04 | 2013-04-04 | Woodward, Inc. | Pump with centralized spring forces |
JP6339492B2 (ja) * | 2014-12-25 | 2018-06-06 | 株式会社Soken | 高圧燃料ポンプ |
DE102019106531A1 (de) * | 2019-03-14 | 2020-09-17 | Baier & Köppel GmbH & Co. KG | Schmierstoffpumpe mit automatisch ankoppelnder Pumpeinheit und Verfahren zum Ankoppeln einer Pumpeinheit an eine Schmierstoffpumpe |
DE102020104313B3 (de) * | 2020-02-19 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Stößel zur Beaufschlagung eines Pumpenkolbens einer Kraftstoffhochdruckpumpe |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3857642A (en) * | 1973-02-26 | 1974-12-31 | Ingersoll Rand Co | Flexible or universal coupling means |
DE4216877C2 (de) * | 1991-08-12 | 1996-08-29 | Elasis Sistema Ricerca Fiat | Radialkolbenpumpe |
DE4213798C2 (de) * | 1992-04-27 | 2002-10-24 | Bosch Gmbh Robert | Radialkolbenpumpe, insbesondere Kraftstoffpumpe für Verbrennungsmotoren |
US5364234A (en) * | 1992-05-20 | 1994-11-15 | Karl Eickmann | High pressure devices |
US5382140A (en) * | 1993-02-11 | 1995-01-17 | Elasis Sistema Ricerca Fiat Nel Mezzogiorno | Radial-piston pump |
US5983863A (en) * | 1993-05-06 | 1999-11-16 | Cummins Engine Company, Inc. | Compact high performance fuel system with accumulator |
DE19705205A1 (de) * | 1997-02-12 | 1998-08-13 | Bosch Gmbh Robert | Kolbenpumpe |
DE19804275A1 (de) * | 1998-02-04 | 1999-08-12 | Bosch Gmbh Robert | Radialkolbenpumpe zur Kraftstoffhochdruckversorgung |
EP0979353B1 (de) * | 1998-02-27 | 2004-09-29 | Stanadyne Corporation | Brennstoffzufuhrpumpe für benzineinspritzanlagen |
DE69925783T2 (de) * | 1998-04-15 | 2006-05-11 | Denso Corp., Kariya | Brennstoffeinspritzsystem für eine Brennkraftmaschine |
-
1998
- 1998-03-05 DE DE19809315A patent/DE19809315A1/de not_active Withdrawn
-
1999
- 1999-02-09 WO PCT/DE1999/000345 patent/WO1999045271A1/de active IP Right Grant
- 1999-02-09 JP JP2000534775A patent/JP2002506163A/ja not_active Withdrawn
- 1999-02-09 US US09/623,429 patent/US6412474B1/en not_active Expired - Fee Related
- 1999-02-09 EP EP99907315A patent/EP1060334B1/de not_active Expired - Lifetime
- 1999-02-09 DE DE59910657T patent/DE59910657D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999045271A1 (de) | 1999-09-10 |
EP1060334A1 (de) | 2000-12-20 |
DE19809315A1 (de) | 1999-09-09 |
US6412474B1 (en) | 2002-07-02 |
JP2002506163A (ja) | 2002-02-26 |
DE59910657D1 (de) | 2004-11-04 |
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