EP1454055B1 - Radialkolbenpumpe mit zwangsschmierung - Google Patents
Radialkolbenpumpe mit zwangsschmierung Download PDFInfo
- Publication number
- EP1454055B1 EP1454055B1 EP02764536A EP02764536A EP1454055B1 EP 1454055 B1 EP1454055 B1 EP 1454055B1 EP 02764536 A EP02764536 A EP 02764536A EP 02764536 A EP02764536 A EP 02764536A EP 1454055 B1 EP1454055 B1 EP 1454055B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radial piston
- piston pump
- fuel
- sliding bearing
- pump according
- 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
- 238000005461 lubrication Methods 0.000 title description 27
- 239000000446 fuel Substances 0.000 claims abstract description 71
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 230000001050 lubricating effect Effects 0.000 claims description 20
- 230000002706 hydrostatic effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- F02M59/10—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 the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- 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
- 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
Definitions
- the invention relates to a radial piston pump for High-pressure fuel production for one Fuel injection system of internal combustion engines, with a drive shaft, wherein the drive shaft a eccentric section and one in a pump housing Stub shaft supported by a first sliding bearing having, preferably with respect to several Drive shaft radially arranged pump elements, with one between the eccentric section and the Pump element arranged ring, and with a Fuel connection in the pump housing.
- Such an internally supported radial piston pump is, for example. known from DE 197 05 205 A1.
- the Radial piston pump for conveying fuels with poor lubricating properties, such as or gasoline is to be used, the storage of the Stub shaft in the pump housing and the bearing of the ring on the eccentric portion of the drive shaft a limiting factor for the flow rate and the head represents.
- This task is in a radial piston pump for High-pressure fuel production for a fuel injection system of internal combustion engines according to the preamble of claim 1, solved by the fact that the first sliding bearing of the entire The fuel port flowing through the fuel port is flowed through.
- the incoming in the fuel port of the radial piston pump Fuel has a pressure coming from a prefeed pump is provided, from about 4 - 6 bar on. This pressure is regardless of the speed and operating conditions of the Radial piston pump.
- the invention provides that the first sliding bearing at least one substantially in the direction of the axis of rotation having the drive shaft extending lubrication, so that the from the fuel port in the first sliding bearing flowing fuel 'uniformly over the entire Warehouse distributed and thus the uniform training a lubricant film is favored.
- a further supplement of the invention provides that the Stub shaft has a center hole, that of the Mittenbohrung a transverse bore branches off, and that the second plain bearing from the transverse bore with fuel is supplied.
- the fuel can be used for Lubrication of the second sliding bearing in the middle of Bearing surface of the second sliding bearing are introduced and from there flow to the edges of the plain bearing. This favors the formation of a viable lubricating film between ring and eccentric section of the Drive shaft.
- the second sliding bearing at least one substantially extending in the direction of the axis of rotation of the drive shaft Has lubrication.
- the eccentric portion or the ring has an annular groove, and that the transverse bore opens into the annular groove, so that the Fuel evenly over the entire circumference of the second Sliding bearing is distributed.
- Alternative embodiments of the invention provide that the fuel connection in the interior of the housing or opens directly into the first plain bearing. This allows the inventive design of the first and second Plain bearings in different types of Radial piston pumps equally advantageous for use reach.
- the formation of a stable lubricating film can continue be promoted when the oil groove on the stub shaft and / or the lubrication groove on the eccentric section are performed coiled.
- Fig. 1 is a first embodiment of a Radial piston pump according to the invention in cross section shown.
- the radial piston pump consists of a Pump housing 1.
- the pump housing 1 is a Drive shaft 3 rotatably mounted.
- the drive shaft 3 is with a stub shaft 5 in a first sliding bearing 7 in Pump housing 1 stored.
- With her the stub shaft 5 opposite end is the drive shaft 3 in one Lid 9 supported by a ball bearing 11. immediate
- the drive shaft 3 a eccentric section 13 on.
- the eccentric portion 13 is of a ring 15, which in a front view (not shown) one polygonal outer contour 19 has surrounded.
- the ring 15 does not rotate when the drive shaft 3 is rotated, but performs a circular motion.
- a second one Plain bearing 17 is present, which is pressed with the ring 15.
- With its polygonal outer contour 19 transmits the Ring 15 giving it from the eccentric section 13 imprinted circular movement on a piston foot plate 21 a pump element 23.
- the pump element 23 has a cylinder bore 25 and a piston 27 on.
- About the Kolbenfußplatte 21 is the Plunged piston 27 in an oscillating motion.
- Fuel is from a fuel connection (not shown) sucked into a working space 29 when the fuel has flowed through the first sliding bearing 7, and subsequently during the so-called delivery stroke with pressure applied.
- About a high pressure drain (not shown) becomes the high pressure fuel pushed out of the work space 29.
- the high-pressure fuel pump is supplied via a Fuel connection 31, which in the first sliding bearing. 7 empties.
- the fuel in the fuel port 31 is from a pre-feed pump, not shown with a Delivery pressure of about 4 - 6 bar in the first sliding bearing. 7 pressed. This results in a very stable training a lubricating film between the pump housing 1 and Stub shaft 5, which is the carrying capacity and life of the first slide bearing 7 significantly increased.
- Lubrication grooves 33 are over the circumference of the first sliding bearing 7 distributed.
- the Lubrication grooves 33 can also be designed coiled.
- the first sliding bearing 7 consists of a in the Housing 1 pressed bushing 37 with pressed Inner ring 36 and the stub shaft 5.
- the lubrication grooves 33 can either in the inner ring 36 or in the Shaft stump 5 incorporated. When the lubrication grooves 33 are incorporated in the stub shaft 5, the Rotary movement of the stub shaft to promote fuel be exploited in the first sliding bearing 7. This increases the load capacity of the first sliding bearing 7 continues.
- Fig. 2 is a second embodiment of a Radial piston pump according to the invention in cross section shown. Same components are with the same Reference numerals provided and it applies that concerning the FIG. 1 stated accordingly.
- the ball bearing 11 is in the Pump housing 1 used.
- the fuel connection 31 opens into the interior 35. From there flows the fuel via lubrication grooves 33 through the first sliding bearing 7 to the end of the stub shaft 5. From the cross-sectional view of Fig. 2 it can be seen that in the housing 1 a socket 37 is pressed, in which the lubrication grooves 33 are incorporated.
- the sleeve 37 forms together with the Stub shaft 5, the first sliding bearing. 7
- the stub shaft 5 has a central bore 39, which of a transverse bore 41 is penetrated.
- the transverse bore 41 in turn opens into an annular groove 43, which in the eccentric portion 13 of the drive shaft. 3 is incorporated.
- the annular groove 43 in the ring 15 are incorporated. This alternative is in Fig. 2 not shown.
- About the center hole 39 and the Transverse bore 41 and the annular groove 43 passes the fuel from the end of the stub shaft 5 to the second sliding bearing 17, which of the eccentric portion 13 and the ring 15th is formed.
- lubrication grooves 45 incorporated, which is parallel to the axis of rotation 47 of Drive shaft 3 over almost the entire width of the ring 15th extend.
- the lubrication grooves 45 provide a hydraulic Connection between annular groove 43 and the interior 35 on the the stub shaft 5 side facing away from the ring 15 ago.
- This measure ensures that always "fresh" fuel from the interior 35 through the first Plain bearing 7 flows and not to a Short circuit flow between the second sliding bearing 17 and first sliding bearing 7 can come.
- Fig. 3 is a third embodiment of a Radial piston pump according to the invention in cross section shown. Same components are with the same Reference numerals provided and it applies that concerning the FIG. 1 and 2 said accordingly.
- a coiled lubricating groove 33 available.
- this Embodiment is characterized by the rotation of the Drive shaft 3 fuel in the first sliding bearing. 7 promoted, which increases its capacity and durability.
- a coiled lubrication 45th available.
- the lubrication groove 45 improves the supply of second sliding bearing 17 with fuel and thereby increases its load capacity and service life.
- Fig. 4 the third shown in Fig. 3 Embodiment in a side view schematically shown. Based on this presentation, the optimal Arrangement of the coiled or straight lubrication grooves 37 and 45 will be explained.
- FIG. 4 are three um 120 ° offset from one another arranged pump elements 23-I, 23-II and 23-III schematically by their longitudinal axes represented by the eccentric section 13 of the Drive shaft to be actuated.
- the direction of rotation of Drive shaft is represented by a first arrow 53.
- the preferred one Space for the arrangement of the lubrication groove 33 is shown in Fig. 4 as second angle range 59 marked. In this way is the carrying capacity of the first sliding bearing 7 in the area their highest stress by the lubrication groove 33 not impaired.
- the lubrication groove 45 (not shown) in the region of the second sliding bearing 17 has the first angular range 57, the 180 ° to the second Angle range 59 is arranged offset, as advantageous proved.
- a throttle (not shown) are provided per plain bearing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
- Figur 1
- eine Darstellung eines ersten Ausführungsbeispiels einer erfindungsgemäßen Radialkolbenpumpe im Schnitt, und
- Figur 2
- ein zweites Ausführungsbeispiel einer erfindungsgemäßen Radialkolbenpumpe im Querschnitt.
Claims (18)
- Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung für eine Kraftstoffeinspritzanlage von Brennkraftmaschinen, mit einem Pumpengehäuse (1), mit einer Antriebswelle (3), wobei die Antriebswelle (3) einen exzentrischen Abschnitt (13) und einen in dem Pumpengehäuse (1) durch ein erstes Gleitlager (7) gelagerten Wellenstumpf (5) aufweist, mit vorzugsweise mehreren, bezüglich der Antriebswelle (1) radial angeordneten Pumpenelementen (23) und mit einem Kraftstoffanschluß (31) im Pumpengehäuse (1), wobei das erste Gleitlager (7) zwangsweise von Kraftstoff durchströmt wird, dadurch gekennzeichnet, dass das erste Gleitlager von dem gesamten durch den Kraftstoffanschluß (31) strömenden Kraftstoff durchströmt wird.
- Radialkolbenpumpe nach Anspruch 1, dadurch gekennzeichnet, dass zwischen dem exzentrischen Abschnitt (13)und den Pumpenelementen (23) ein Ring (15) angeordnet ist, dass der Ring (15) auf dem exzentrischen Abschnitt (13) durch ein zweites Gleitlager (17) gelagert ist, und dass das zweite Gleitlager stromabwärts (17) zwangsweise von Kraftstoff durchströmt wird.
- Radialkolbenpumpe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass stromabwärts das zweite Gleitlager (17) von dem durch den Kraftstoffanschluß (31) strömenden Kraftstoff durchströmt wird.
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Gleitlager (7) mindestens eine im wesentlichen in Richtung der Drehachse (47) der Antriebswelle (3) verlaufende Schmiernut (33) aufweist.
- Radialkolbenpumpe nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Wellenstumpf (5) eine Mittenbohrung (39) aufweist, dass von der Mittenbohrung (39) eine Querbohrung (41) abzweigt, und dass das zweite Gleitlager (17) von der Querbohrung (41) mit Kraftstoff versorgt wird.
- Radialkolbenpumpe nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass das zweite Gleitlager (17) mindestens eine im wesentlichen in Richtung der Drehachse (47) der Antriebswelle (3) verlaufende Schmiernut (45) aufweist.
- Radialkolbenpumpe nach Anspruch 6, dadurch gekennzeichnet, dass zwischen der mindestens einen Schmiernut (45) und einem Innenraum (35) des Pumpengehäuses (1) auf der dem Wellenstumpf (5) abgewandten Seite des zweiten Gleitlagers (17) eine hydraulische verbindung besteht.
- Radialkolbenpumpe nach einem der Ansprüche 1-6, dadurch gekennzeichnet, dass der Kraftstoffanschluß (31) in den Innenraum (35) des Pumpengehäuses (1) mündet.
- Radialkolbenpumpe nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, dass der exzentrische Abschnitt (13) oder der Ring (15) eine Ringnut (43) aufweist, und dass die Querbohrung (41) in die Ringnut (43) mündet.
- Radialkolbenpumpe nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass in die Mittenbohrung (39) ein Laufrad (49) einer Mikropumpe eingesetzt ist.
- Radialkolbenpumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kraftstoffanschluß (31) in das erste Gleitlager (7) mündet.
- Radialkolbenpumpe nach einem der Ansprüche 4 bis 11, dadurch gekennzeichnet, dass die Schmiernut (33) an dem Wellenstumpf (5) der Antriebswelle (3) angeordnet ist.
- Radialkolbenpumpe nach einem der Ansprüche 4 bis 11, dadurch gekennzeichnet, dass die Schmiernut (33) an der Buchse (37) des ersten Gleitlagers (7) angeordnet ist.
- Radialkolbenpumpe nach einem der Ansprüche 6 bis 13, dadurch gekennzeichnet, dass die Schmiernut (45) an dem exzentrischen Abschnitt (13) der Antriebswelle (3) angeordnet ist.
- Radialkolbenpumpe nach einem der Ansprüche 6 bis 14, dadurch gekennzeichnet, dass die Schmiernut (45) an dem exzentrischen Abschnitt (13) angeordnet ist und sich über einen ersten Winkelbereich 57 von ca. 60° erstreckt.
- Radialkolbenpumpe nach Anspruch 15, dadurch gekennzeichnet, dass die Mittelachse (23-I) des ersten Winkelbereichs um etwa 90° vom Punkt der maximalen Exzentrizität des exzentrischen Abschnitts (13) versetzt verläuft.
- Radialkolbenpumpe nach einem der Ansprüche 15 und 16, dadurch gekennzeichnet, dass die Schmiernut (33) am Wellenstumpf (5) in einem zweiten Winkelbereich (59) angeordnet ist, und dass der zweite Winkelbereich (59) um etwa 180° zum ersten Winkelbereich (57) versetzt angeordnet ist.
- Radialkolbenpumpe nach einem der Ansprüche 12 bis 17, dadurch gekennzeichnet, dass die Schmiernut (33) am Wellenstumpf (5) und/oder die Schmiernut (45) am exzentrischen Abschnitt (13) gewendelt ausgeführt sind.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10159099 | 2001-12-01 | ||
DE10159099 | 2001-12-01 | ||
DE10208574 | 2002-02-21 | ||
DE10208574A DE10208574A1 (de) | 2001-12-01 | 2002-02-21 | Radialkolbenpumpe |
PCT/DE2002/002879 WO2003048564A1 (de) | 2001-12-01 | 2002-08-06 | Radialkolbenpumpe mit zwangsschmierung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1454055A1 EP1454055A1 (de) | 2004-09-08 |
EP1454055B1 true EP1454055B1 (de) | 2005-11-02 |
Family
ID=26010700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02764536A Expired - Lifetime EP1454055B1 (de) | 2001-12-01 | 2002-08-06 | Radialkolbenpumpe mit zwangsschmierung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1454055B1 (de) |
AT (1) | ATE308676T1 (de) |
DE (1) | DE50204804D1 (de) |
WO (1) | WO2003048564A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101529082B (zh) * | 2006-10-16 | 2012-01-11 | 罗伯特·博世有限公司 | 具有滚子推杆的活塞泵、尤其是燃料活塞泵 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006504904A (ja) * | 2002-10-31 | 2006-02-09 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 低圧入口に玉型弁を備えた燃料高圧ポンプ |
DE102007012704A1 (de) * | 2007-03-16 | 2008-09-18 | Robert Bosch Gmbh | Hochdruckpumpe zur Förderung von Kraftstoff mit einer verbesserten Ausbildung der Lageranordnung zur Lagerung der Nockenwelle |
ITMI20072259A1 (it) * | 2007-11-30 | 2009-06-01 | Bosch Gmbh Robert | Pompa di alta pressione |
IT1398728B1 (it) * | 2009-04-17 | 2013-03-18 | Bosch Gmbh Robert | Circuito di lubrificazione di una pompa common rail di alta pressione e pompa common rail di alta pressione |
EP2660456B1 (de) * | 2012-05-01 | 2017-12-06 | Delphi International Operations Luxembourg S.à r.l. | Kraftstoffpumpe |
GB201412187D0 (en) * | 2014-07-09 | 2014-08-20 | Delphi International Operations Luxembourg S.�.R.L. | Pump assembly |
CN115807748A (zh) * | 2022-12-07 | 2023-03-17 | 北京天玛智控科技股份有限公司 | 柱塞滑靴组件和多边形轮盘驱动的径向柱塞泵 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4126640B4 (de) * | 1991-08-12 | 2005-06-16 | Robert Bosch Gmbh | Pumpenanordnung mit einer Vorförderpumpe und einer Radialkolbenpumpe |
DE19705205A1 (de) * | 1997-02-12 | 1998-08-13 | Bosch Gmbh Robert | Kolbenpumpe |
EP1101931B1 (de) * | 1999-11-19 | 2006-08-30 | CRT Common Rail Technologies AG | Hochdruckeinspritzsystem mit Common Rail |
DE10012306C2 (de) * | 2000-03-14 | 2003-12-24 | Bosch Gmbh Robert | Verteilereinspritzpumpe |
-
2002
- 2002-08-06 EP EP02764536A patent/EP1454055B1/de not_active Expired - Lifetime
- 2002-08-06 DE DE50204804T patent/DE50204804D1/de not_active Expired - Lifetime
- 2002-08-06 AT AT02764536T patent/ATE308676T1/de not_active IP Right Cessation
- 2002-08-06 WO PCT/DE2002/002879 patent/WO2003048564A1/de not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101529082B (zh) * | 2006-10-16 | 2012-01-11 | 罗伯特·博世有限公司 | 具有滚子推杆的活塞泵、尤其是燃料活塞泵 |
Also Published As
Publication number | Publication date |
---|---|
DE50204804D1 (de) | 2005-12-08 |
EP1454055A1 (de) | 2004-09-08 |
ATE308676T1 (de) | 2005-11-15 |
WO2003048564A1 (de) | 2003-06-12 |
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