EP3011164A1 - Hochdruckpumpe - Google Patents
HochdruckpumpeInfo
- Publication number
- EP3011164A1 EP3011164A1 EP14721322.7A EP14721322A EP3011164A1 EP 3011164 A1 EP3011164 A1 EP 3011164A1 EP 14721322 A EP14721322 A EP 14721322A EP 3011164 A1 EP3011164 A1 EP 3011164A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive shaft
- axis
- rotation
- pressure pump
- rolling surface
- 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
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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being 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
- F02M59/02—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
- 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
- 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
- F02M63/0265—Pumps feeding common rails
-
- 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
- F04B1/0413—Cams
- F04B1/0417—Cams consisting of two or more cylindrical elements, e.g. rollers
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
-
- 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 present invention relates to a high-pressure pump according to the preamble of claim 1 and a high-pressure injection system according to the preamble of claim 10.
- a high-pressure pump permanently ensures the maintenance of the pressure in the
- High pressure accumulator of the common rail injection system can be driven, for example, by a camshaft of the internal combustion engine by means of a drive shaft.
- Rotary vane pump used, which are upstream of the high-pressure pump.
- the prefeed pump delivers the fuel from a fuel tank through a fuel line to the high pressure pump.
- piston pumps are used as high-pressure pumps.
- a drive shaft is mounted. Radially to pistons are arranged in a cylinder.
- a roller with a roller rolling surface On the drive shaft with at least one cam is a roller with a roller rolling surface, which is mounted in a roller shoe.
- the roller shoe is connected to the piston, so that the piston is forced to oscillate translational motion.
- a spring applies to the roller shoe a radially directed to the drive shaft force, so that the roller is in constant contact with the drive shaft.
- the roller stands with the roller rolling surface on a shaft rolling surface as the surface of the drive shaft with the at least one cam in contact with the drive shaft.
- the roller is mounted by means of a sliding bearing in the roller shoe.
- Movement axes of the oscillating, V-shaped pistons have no axial distance in the direction of the axis of rotation of the drive shaft, so that the rollers of several pistons overlapping on the shaft
- the life of the high-pressure pump is mainly limited by the number of unwinding of the rollers on the shaft rolling surface of the drive shaft, because the number of unwinding causes the mechanical wear of the shaft rolling surface. Since several, for example, two rollers, roll over overlapping on the shaft rolling surface, requires a full rotation of the drive shaft of 360 ° about the axis of rotation of the drive shaft in two wheels, the two times rolling the rollers on the identical shaft rolling surface. Disadvantageously, this means that
- DE 10 2006 045 933 A1 shows a high-pressure pump for high-pressure fuel delivery.
- the high-pressure pump has a drive shaft with cams.
- Cylindrical rollers are supported by roller shoes and rest on the cams.
- the roller shoes are mounted by means of a plunger assembly in a bore of a part of the housing.
- the pump elements are at the
- the pumping device comprises a
- a pump housing at least one conveyor assembly having a delivery piston for pressurizing fuel in a pump chamber with pressure, a drive shaft which carries a cam and a cam rider, with the
- Conveyor assembly cooperates to the pistons along a piston axis to drive and a plate which is coupled by coupling means on one side with the cam tab and on the other side with the housing.
- Internal combustion engine comprising a rotatably mounted in a pump housing drive shaft with an eccentrically shaped shaft portion on which a plunger is slidably mounted, which cooperates with at least one piston root of a piston, with respect to the drive shaft radially, for reciprocating movement in the direction of the piston axis, in a respective cylinder space is arranged.
- the plunger has a plunger cross-section extending only partially around the eccentric shaft section.
- Inventive high-pressure pump in particular for a motor vehicle, for conveying a fluid, in particular fuel, for. B. diesel, comprising a drive shaft rotatably mounted about a rotation axis with at least one cam, at least two pistons, at least two cylinders for supporting the at least two pistons and the pistons each have a piston longitudinal axis and the piston longitudinal axes in a projection of the piston Longitudinal axes in the direction of the axis of rotation of the drive shaft are aligned to a fictitious projection plane perpendicular to the axis of rotation in a Wnkel to each other, wherein the at least two pistons indirectly by means of one each
- Rotary movement of the drive shaft is executable, wherein the piston longitudinal axes of the piston have an axial distance in the direction of the axis of rotation of the drive shaft.
- the piston longitudinal axes of the piston have an axial distance in the direction of the axis of rotation of the drive shaft.
- the support elements support or roll on the wave rolling surface, so that due to the contact, a rolling surface of the support elements on the wave rolling surface of the drive shaft is present. Due to the axial Distance between the piston longitudinal axes of the piston occurs thereby at least partially a support of the support elements on different shaft rolling surfaces of the drive shaft.
- the mechanical stress on the shaft rolling surface on the drive shaft is lower, since the support elements are supported on different rolling surfaces at least partially on the shaft rolling surface.
- the mechanical stress of the shaft rolling surface can be reduced and thereby advantageously the life of the
- the piston longitudinal axes are in the fictitious projection levels in a Wnkel of z. B. 60 ° aligned, so that the pistons are aligned V-shaped to each other. Due to the angle between the piston longitudinal axes, the pistons are not arranged in a row.
- the axial distance of the piston longitudinal axes of the piston in the direction of the axis of rotation of the drive shaft is at least 30%, 50%, 70% or 100% of the axial extent of the supporting rolling surfaces in the direction of
- each support element has a separate different rolling surface on the shaft rolling surface.
- Supporting elements in the direction of the axis of rotation of the drive shaft no axial distance from each other or an axial distance of at least 1%, 3%, 5% or 10% of the expansion of the supporting rolling surfaces in the direction of
- Rolling surfaces of different support elements on the shaft rolling surface In an additional embodiment, the rolling surfaces, in particular all rolling surfaces, the supporting rolling surfaces of the supporting elements on the Shaft rolling surface of the drive shaft at least partially, in particular completely different.
- all pistons are indirectly by means of one each
- Supporting element with the supporting rolling surface on the shaft rolling surface only one drive shaft with the at least one cam can be supported.
- the supporting rolling surface rests on the shaft rolling surface.
- all supporting elements with the supporting rolling surfaces on only one common shaft rolling surface of the drive shaft with the at least one cam can be supported.
- all piston longitudinal axes are arranged in the projection of the piston longitudinal axes in the direction of the axis of rotation of the drive shaft to the fictitious projection plane within a Wnkel Symposiumes of 120 ° and / or the support elements with the supporting rolling surfaces are designed as rollers with roller rolling surfaces.
- the at least one roller by means of at least one
- Plain bearing or a plain bearing mounted in at least one roller shoe in a section perpendicular to a longitudinal axis as the axis of rotation, the at least one roller surrounds the plain bearing to more than 50% of the at least one roller.
- the plain bearing and / or the high-pressure pump and / or the contact surface between the support element and shaft rolling surface by means of fuel, for.
- fuel for.
- a contact surface between the Abmm- rolling surface and the shaft rolling surface is lubricated by means of fuel.
- an eccentric shaft is considered as a drive shaft with at least one cam.
- the drive shaft with the at least one cam is expediently a drive shaft which is circular in cross-section and which is mounted eccentrically to a central longitudinal axis of the drive shaft so that the axis of rotation is at a distance from the longitudinal axis.
- the longitudinal axis is arranged in cross section in the center of the circular drive shaft.
- the at least one support element is designed as a tappet.
- At least one elastic element in particular a spring on the at least one support element directly or indirectly, a force, in particular compressive force applied, so that the at least one support element is in constant contact with the shaft rolling surface of the drive shaft.
- the at least one piston is an oscillating
- Translational movement is executable due to a rotational movement of the drive shaft.
- the high-pressure pump each comprises an inlet valve for introducing the fluid to be delivered into a working space and one each Outlet valve for discharging the fluid to be pumped from the working space for a working space.
- the at least one working chamber is bounded by a respective piston, so that the working space has a different volume due to the oscillating translational movement of the at least one piston.
- the roller is mounted with a bolt or pin on the roller shoe and the bolt or pin is disposed within a bearing bore of the roller.
- Inventive high-pressure injection system for an internal combustion engine in particular for a motor vehicle, comprising a high-pressure pump, a high-pressure rail, preferably a prefeed pump for conveying a
- the high-pressure injection system has a
- the producible by the high-pressure pump pressure in the high-pressure rail is, for example, in the range of 1000 to 3000 bar z. B. for diesel engines or between 40 bar and 400 bar z. B. for gasoline engines.
- FIG. 1 shows a cross section of a high-pressure pump on a piston, 2 a section AA according to FIG. 1 of a roller with roller shoe and a drive shaft, FIG.
- Fig. 4 is a side view of the drive shaft with two rollers in one
- Fig. 5 is a highly schematic view of a high-pressure injection system.
- Fig. 1 and 2 is a cross section of a high-pressure pump 1 for a
- the high-pressure pump 1 serves to fuel, z. As gasoline or diesel, to promote an internal combustion engine 39 under high pressure.
- the pressure which can be generated by the high-pressure pump 1 is, for example, in a range between 1000 and 3000 bar.
- the high-pressure pump 1 has a drive shaft 2 with two cams 3, which performs a rotational movement about a rotation axis 26.
- the axis of rotation 26 lies in the plane of the drawing of FIG. 1 and is perpendicular to the
- the high-pressure pump 1 has a total of two, V-shaped mutually aligned piston 5. Depending on a piston 5 is mounted in a cylinder 6, which is formed by a housing 8. A working chamber 29 is bounded by the cylinder 6, the housing 8 and the piston 5. Into the working space 29 opens an inlet channel 22 with an inlet valve 19 and an outlet channel 24 with an outlet valve 20. Through the inlet channel 22, the fuel flows into the working chamber 29 and through the outlet channel 24, the fuel flows out of the working space 29 under high pressure.
- Check valve is designed so that only fuel can flow out of the working chamber 29.
- the volume of the working chamber 29 is changed due to an oscillating stroke movement of the piston 5.
- the piston 5 is indirectly supported on the drive shaft 2 from.
- a roller shoe 9 is attached to a roller 10.
- the roller 10 is mounted with a sliding bearing 13 in the roller shoe 9. The roller 10 can perform a rotational movement, the
- Rotation axis 25 lies in the plane of FIG. 1 and is perpendicular to the plane of Fig. 2.
- the drive shaft 2 with the two cams 3 has a shaft rolling surface 4 and the roller 10 as a supporting element 14 has on the outside a roller rolling surface 11 as a supporting rolling surface 15.
- roller tread 1 1 of the roller 10 rolls on the shaft rolling surface 4 of the drive shaft 2 with the two cams 3, so that between the roller
- roller shoe 9 is formed in one of the housing 8
- Roller shoe bearings stored as plain bearings.
- a spring 27 or coil spring 27 as an elastic element 28 which is clamped between the housing 8 and the roller shoe 9, brings on the roller shoe 9 a compressive force, so that the
- roller rolling surface 11 of the roller 10 is in constant contact with the shaft rolling surface 4 of the drive shaft 2.
- the roller shoe 9 and the piston 5 thus carry out together an oscillating stroke movement.
- Fig. 3 is a view radially on the drive shaft 2 with two rollers 10 and in Fig. 4 is a side view axially of the drive shaft with two rollers 10 each in a roller shoe 9.
- the plane of Fig. 3 is parallel to the axis of rotation 26 and Drawing plane of Fig. 4 is perpendicular to the axis of rotation 26.
- the high-pressure pump 1 has two V-shaped mutually aligned piston 5. In a projection in the direction of the axis of rotation
- the piston longitudinal axis 16 are aligned in a W ⁇ ⁇ of approximately 60 ° to each other.
- the imaginary projection plane corresponds to the plane of the drawing of FIG. 4.
- the piston longitudinal axes 16 are in the direction of the axis of rotation 26 of FIG.
- roller rolling surfaces 1 1 of the rollers 10 are supported or roll on the shaft rolling surface 4 of the drive shaft 2, so that thereby at the contact area between the roller 10 and the drive shaft 2 a
- Rolling surface 18 of the roller 10 on the drive shaft 2, d. H. the wave rolling surface 4, is present. Due to the axial distance between the rollers 10 and between the rolling surfaces 18 of the rollers 10 on the shaft rolling surface 4, the axial distance 41. The rolling surfaces 18 of the two rollers 10 on the shaft rolling surface 4 of the drive shaft 2 are thus different, d. H. There is no overlap of the rolling surfaces 2 of the two rollers 10 on the shaft rolling surface 4 of the drive shaft 2.
- the two piston longitudinal axes 16 of the two pistons 5 are within one
- FIG. 5 is a highly schematic representation of the high-pressure injection system 36 for a motor vehicle (not shown) imaged with a high-pressure rail 30 or a fuel rail 31. From the high-pressure rail 30, the fuel by means of valves (not shown) in the combustion chamber of Internal combustion engine 39 injected.
- a prefeed pump 35 delivers fuel from a fuel tank 32 through a fuel line 33 to the
- High-pressure pump 1 according to the above embodiment.
- High-pressure pump 1 and the feed pump 35 are thereby of the
- the drive shaft 2 driven.
- the drive shaft 2 is coupled to a crankshaft of the engine 39.
- the high pressure rail 30 serves - as already described - to the fuel in the combustion chamber of the
- a metering unit 37 controls and / or controls the
- High-pressure pump 1 supplied amount of fuel, so that can be dispensed in a further embodiment, the fuel return line 34 (not shown).
- the two rollers 10 support or roll on one common shaft rolling surface 38 of the drive shaft 2 from. It is the
- Rolling surface 18 of a roller 10 on the shaft rolling surface 4 each completely separated from the rolling surface 18 of the second or other roller 10 so that thereby the shaft rolling surface 4 of the common shaft rolling surface 38 each mechanically separated from each only one roller 10 claimed is.
- Rotation of the drive shaft 2 with a full rotation of 360 ° thus occurs on the shaft rolling surface 4 only the one-time rolling on the shaft rolling surface 4 at a section perpendicular to the axis of rotation 26.
- the mechanical stress of the shaft rolling surface 4 by the rollers 10th is thereby substantially reduced, so that the high-pressure pump 1 characterized advantageously has a much longer life.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013211755.8A DE102013211755A1 (de) | 2013-06-21 | 2013-06-21 | Hochdruckpumpe |
PCT/EP2014/058689 WO2014202266A1 (de) | 2013-06-21 | 2014-04-29 | Hochdruckpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3011164A1 true EP3011164A1 (de) | 2016-04-27 |
EP3011164B1 EP3011164B1 (de) | 2017-06-14 |
Family
ID=50639497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14721322.7A Not-in-force EP3011164B1 (de) | 2013-06-21 | 2014-04-29 | Hochdruckpumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US10060420B2 (de) |
EP (1) | EP3011164B1 (de) |
CN (1) | CN105473845B (de) |
DE (1) | DE102013211755A1 (de) |
WO (1) | WO2014202266A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2570154A (en) * | 2018-01-15 | 2019-07-17 | Delphi Tech Ip Ltd | High pressure diesel fuel pump |
WO2020061834A1 (zh) * | 2018-09-26 | 2020-04-02 | 唐山哈船科技有限公司 | 用于燃油泵的双作用凸轮及燃油泵驱动机构 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10305011A1 (de) | 2003-02-07 | 2004-08-19 | Robert Bosch Gmbh | Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
DE10355027A1 (de) * | 2003-11-25 | 2005-06-23 | Robert Bosch Gmbh | Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
DE10356262A1 (de) | 2003-12-03 | 2005-06-30 | Robert Bosch Gmbh | Radialkolbenpumpe, insbesondere für Kraftstoffeinspritzsysteme |
JP4148128B2 (ja) * | 2003-12-12 | 2008-09-10 | 株式会社デンソー | 燃料噴射装置 |
DE102004048714A1 (de) | 2004-10-06 | 2006-04-13 | Siemens Ag | Radialkolbenpumpe |
DE102006041673A1 (de) | 2006-02-20 | 2007-08-23 | Robert Bosch Gmbh | Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
DE102006045933A1 (de) | 2006-09-28 | 2008-04-03 | Robert Bosch Gmbh | Stößelbaugruppe für eine Hochdruckpumpe und Hochdruckpumpe mit wenigstens einer Stößelbaugruppe |
DE102007002730B4 (de) | 2007-01-18 | 2012-03-01 | Continental Automotive Gmbh | Radialkolbenpumpe zur Kraftstoffförderung sowie Herstellungsverfahren hierfür |
DE102007060772A1 (de) | 2007-12-17 | 2009-06-18 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
GB0818811D0 (en) | 2008-10-14 | 2008-11-19 | Delphi Tech Inc | Fuel pump assembly |
DE102009001118A1 (de) | 2009-02-24 | 2010-08-26 | Robert Bosch Gmbh | Kolbenpumpe mit zwei um 60 Grad versetzten Pumpenkolben |
DE102009026610A1 (de) | 2009-05-29 | 2010-12-02 | Robert Bosch Gmbh | Hochdruckpumpe |
ATE556221T1 (de) | 2009-09-10 | 2012-05-15 | Delphi Tech Holding Sarl | Pumpenanordnung |
DE102010039269A1 (de) * | 2010-08-12 | 2012-02-16 | Robert Bosch Gmbh | Kolbenpumpen für eine hydraulische Fahrzeugbremsanlage |
DE102010042025A1 (de) | 2010-10-06 | 2012-04-12 | Robert Bosch Gmbh | Lagerelement mit darin drehbar gelagerter Rolle, insbesondere im Antrieb eines Pumpenkolbens einer Kraftstoffhochdruckpumpe |
DE102011007686A1 (de) | 2011-04-19 | 2012-10-25 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
-
2013
- 2013-06-21 DE DE102013211755.8A patent/DE102013211755A1/de not_active Withdrawn
-
2014
- 2014-04-29 US US14/898,986 patent/US10060420B2/en not_active Expired - Fee Related
- 2014-04-29 CN CN201480046224.4A patent/CN105473845B/zh not_active Expired - Fee Related
- 2014-04-29 EP EP14721322.7A patent/EP3011164B1/de not_active Not-in-force
- 2014-04-29 WO PCT/EP2014/058689 patent/WO2014202266A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN105473845B (zh) | 2019-08-16 |
DE102013211755A1 (de) | 2014-12-24 |
WO2014202266A1 (de) | 2014-12-24 |
US10060420B2 (en) | 2018-08-28 |
EP3011164B1 (de) | 2017-06-14 |
CN105473845A (zh) | 2016-04-06 |
US20160153413A1 (en) | 2016-06-02 |
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