EP2032850B1 - Pompe haute pression conçue en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne - Google Patents

Pompe haute pression conçue en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne Download PDF

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Publication number
EP2032850B1
EP2032850B1 EP07726234A EP07726234A EP2032850B1 EP 2032850 B1 EP2032850 B1 EP 2032850B1 EP 07726234 A EP07726234 A EP 07726234A EP 07726234 A EP07726234 A EP 07726234A EP 2032850 B1 EP2032850 B1 EP 2032850B1
Authority
EP
European Patent Office
Prior art keywords
roller
support
pressure pump
pump according
pump
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.)
Active
Application number
EP07726234A
Other languages
German (de)
English (en)
Other versions
EP2032850A1 (fr
Inventor
Peter Bauer
Markus Koch
Gernot Repphun
Wolfram Rittmannsberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2032850A1 publication Critical patent/EP2032850A1/fr
Application granted granted Critical
Publication of EP2032850B1 publication Critical patent/EP2032850B1/fr
Active legal-status Critical Current
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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
    • 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
    • F02M59/10—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
    • 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
    • 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
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • 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
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/0531—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with cam-actuated distribution members
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Definitions

  • the invention relates to a high-pressure pump, in particular for a fuel injection device of an internal combustion engine according to the preamble of claim 1.
  • Such a high-pressure pump is through the DE 199 07 311 A1 known.
  • This high-pressure pump has a drive shaft with at least one cam or eccentric.
  • the high-pressure pump also has at least one pump element which has a pump piston which is driven by the cam or eccentric of the drive shaft in a lifting movement.
  • a support member is arranged and in the support member is rotatably mounted a roller which rolls on the cam or eccentric of the drive shaft.
  • a pump is known with a drive shaft having at least one cam or eccentric.
  • the pump has at least one pump element, which in turn has a pump piston which is driven by the cam or eccentric of the drive shaft in a lifting movement.
  • a support member and a rotatably mounted in this roller is arranged between the pump piston and the cam or eccentric of the drive shaft.
  • a support for the roller is arranged in the direction of the axis of rotation of the roller next to this a support for the roller is arranged
  • the support is formed by annular discs, which are flat and the roller has at its end facing the support each have a chamfer or chamfer, wherein the end faces of the roller also just trained. Even with this design of the role increased wear can occur.
  • the high pressure pump according to the invention with the features of claim 1 has the advantage that the wear of the roller and / or the support is reduced and thus increased friction is avoided here.
  • FIG. 1 a high-pressure pump for a fuel injection device of an internal combustion engine in a longitudinal section
  • FIG. 2 the high pressure pump in a cross section along line II-II in FIG. 1
  • FIG. 3 one in FIG. 1 III section of the high pressure pump in an enlarged view according to a first embodiment
  • FIG. 4 the detail III of the high pressure pump according to a second embodiment
  • FIG. 5 the detail III of the high pressure pump according to a third embodiment
  • FIG. 6 a part of the high-pressure pump according to a fourth embodiment
  • FIG. 7 a section of the high-pressure pump in a section along line VII-VII in FIG. 2
  • FIGS. 1 to 6 a high pressure pump for a fuel injector of an internal combustion engine is shown.
  • the high-pressure pump has a multi-part pump housing 10, in which one through the Internal combustion engine rotationally driven drive shaft 12 is arranged.
  • the drive shaft 12 is rotatably supported, for example, via two bearing points spaced apart from one another in the direction of the axis of rotation 13 of the drive shaft 12.
  • the bearings can be arranged in different parts of the pump housing 10, for example, a first bearing point in a base body 14 of the pump housing 10 and a second bearing point can be arranged in a connected to the base body 14 flange 15.
  • the drive shaft 12 at least one cam 16 or eccentrically to its axis of rotation 13 formed portion, wherein the cam 16 may be formed as a multiple cam.
  • the high pressure pump has at least one or more arranged in the housing 10 pump elements 18, each with a pump piston 20 which is driven by the cam 16 of the drive shaft 12 in a lifting movement in at least approximately radial direction to the axis of rotation 13 of the drive shaft 12.
  • a pump housing part 22 connected to the main body 14 is provided, which is designed as a cylinder head.
  • the pump housing part 22 has a voltage applied to an outer side of the base body 14 and a flange 24 projecting through an opening in the base body 14 to the drive shaft 12 through, at least approximately cylindrical projection 26 with respect to the flange 24 of smaller diameter.
  • the pump piston 20 is guided tightly displaceable in a shoulder 26 formed in the cylinder bore 28 in the pump housing part 22 and limited with its drive shaft 12 facing away from the end face in the cylinder bore 28 a pump working space 30.
  • the cylinder bore 28 may extend into the flange 24, in the then the pump working space 30 is arranged is.
  • the pump working chamber 30 has a connection with a fuel feed, for example a feed pump, via a fuel feed channel 32 extending in the pump housing 10.
  • the pump working chamber 30 also has a connection in the pump housing 10 extending fuel drain passage 36 to an outlet with an outlet, which is connected for example to a high-pressure accumulator 110.
  • One or preferably a plurality of injectors 120 arranged on the cylinders of the internal combustion engine are connected to the high-pressure accumulator 110, through which fuel is injected into the cylinders of the internal combustion engine.
  • an outlet valve 38 opening out of the pump working chamber 30 is arranged.
  • a plunger 40 is arranged, via which the pump piston 20 at least indirectly on the cam 16 of the drive shaft 12 is supported.
  • the plunger 40 is formed in a hollow cylindrical shape with a round outer cross section and is guided displaceably in a bore 42 of the main body 14 of the pump housing 10 in the direction of the longitudinal axis 21 of the pump piston 20.
  • the longitudinal axis 41 of the plunger 40 is thus at least substantially identical to the longitudinal axis 21 of the pump piston 20.
  • a support member 44 is inserted, in which a roller 46 is rotatably mounted on the cam 16 the drive shaft 12 rolls.
  • the axis of rotation 47 of the roller 46 is at least approximately parallel to the axis of rotation 13 of the drive shaft 12.
  • the support member 44 has on its side facing the drive shaft 12 a recess 48 in which the roller 46 is rotatably mounted.
  • the support element 44 and the plunger 40 may also be integrally formed.
  • the pump piston 20 may be coupled to the plunger 40, at least in the direction of the longitudinal axis 21. Alternatively, the pump piston 20 may not be connected to the plunger 40, then by the return spring 52, the system of the pump piston 20 is secured to the plunger 40.
  • the restoring spring 52 engages, for example, via a spring plate 53 on an enlarged diameter piston base of the pump piston 20, which is thereby held in abutment against a flange projecting inwardly from the jacket on the plunger 40, which in turn bears against the support element 44 is held, so that the entire composite of pump piston 20, plunger 40 and support member 44 is acted upon with roller 46 to the cam 16 of the drive shaft 12 out.
  • a support 60 is arranged laterally next to the roller 46 for this purpose, by which the roller 46 is prevented from moving out of the support element 44 in the direction of its axis of rotation 47.
  • the roller 46 is convexly curved at its side facing the support 60 side surfaces 56, for example, at least approximately spherically curved.
  • the side surfaces 56 of the roller 46 facing surface of the support 60 is curved, in particular concavely curved, for example as in FIG. 7 shown as a section of a circular cylinder.
  • the concave curvature of the support 60 is thus only in sectional planes perpendicular to the longitudinal axis 41 of the plunger 40 according to FIG.
  • the support 60 in sectional planes parallel to the longitudinal axis 41 in accordance with FIGS. 3 to 6 has no curvature.
  • the support 60 can as in FIG. 7 illustrated as a ring surrounding the roller 46 may be formed or only laterally adjacent to the side surfaces 56 of the roller 46 may be arranged.
  • the geometry of the side surfaces 56 of the roller 46 and the support 60 is optimized in terms of minimum surface pressure and maximum cooling, so that the tribological stress of the roller 46 and the support 60 is minimized. If the support 60 is formed with a radius R1 concave, as shown in FIG. 7 is shown, the radius R of the convex curvature of the side surfaces 56 of the roller 46, for example, about 70 to 100%, preferably about 85 to 95% of the radius R1 of the support 60th
  • the roller 46 and / or the support 60 at least in the contact area between the roller 46 and the support 60 has a surface with high wear resistance.
  • the roller 46 is made entirely of a material with high wear resistance, for example of a ceramic material or a hard metal.
  • the support 60 as a whole consists of a material with high wear resistance, for example of a ceramic material or a hard metal.
  • the roller 46 itself consists of a material with lower wear resistance and according to a in FIG. 3 illustrated embodiment on their support 60 facing side surfaces 56 is provided with a coating 62 made of a material with high wear resistance.
  • the support 60 can also be provided with a coating 62 made of a material with high wear resistance.
  • the coating 62 may consist of a ceramic material, of a hard metal or of a carbon compound, in particular a diamond-like carbon compound.
  • the coating 62 may consist of a metal oxide or a metal nitride, for example titanium nitride.
  • the coating 62 may also be made by nitrocarburizing.
  • the roller 46 itself consists of a material with lower wear resistance and according to a in FIG. 4 illustrated embodiment in their support 60 facing side surfaces 56 each having an insert 64 made of a material having high wear resistance.
  • the insert 64 may be formed as a thin plate which is inserted into a corresponding recess of the side surface 56 of the roller 46.
  • an insert 64 made of a material with high wear resistance can also be inserted into the support 60 in its regions facing the side surfaces 56 of the roller 46.
  • the insert 64 can be made of a material as indicated above for the coating 62.
  • the coating 62 according to a in FIG. 5 illustrated embodiment directly on the plunger 40, as in FIG. 5 shown in the left half, or the support member 44, as in FIG. 5 shown in the right half, is applied, in particular on an adjacent to the roller 46 laterally in the direction of its axis of rotation 47 inner wall of the plunger 40 or support member 44. It can be provided that in the inner wall of the plunger 40 or support member 44 at least one groove 66 is arranged, in which the coating 62 is introduced, wherein in the at least one groove 66 good adhesion of the coating 62 on the plunger 40 and support member 44 is ensured.
  • the coating 62 can be applied for example by spraying as a spray ceramic.
  • the support 60 may be formed by a part of the plunger 40 or the support member 44 or by a separate, in the plunger 40, as in FIG. 6 shown in the left half, or the support member 44, as in FIG. 6 shown in the right half, inserted in particular annular component, which is then arranged between the roller 46 and the plunger 40 and the support member 44.
  • the support 60 may be inserted into the plunger 40 or the support member 44, for example, pressed.
  • a receptacle 68 may be formed for the support 60.
  • the receptacle 68 may be formed, for example, by an area enlarged in the inner diameter of the inner wall of the plunger 40 surrounding the roller 46.
  • the wall thickness of the plunger 40 can be reduced in the region of the receptacle 68 relative to the remaining plunger 40 or support element 44.
  • An identically formed receptacle 68 for the support 60 may alternatively, as in FIG. 6 shown in the right half, be formed in the support member 44.
  • Support can be formed as explained above, ie even consist of a material with high wear resistance or have a coating or insert made of a material with high wear resistance.

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  • 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)

Claims (10)

  1. Pompe haute pression, en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne, comprenant un arbre d'entraînement (12) qui présente au moins une came (16) ou un excentrique, au moins un élément de pompe (18) qui présente un piston de pompe (20), qui est entraîné par la came (16) ou l'excentrique de l'arbre d'entraînement (12) dans un mouvement de course, un élément de support (44) et un rouleau (46) monté à rotation dans celui-ci étant disposés entre le piston de pompe (20) et la came (16) ou l'excentrique de l'arbre d'entraînement (12), un support (40 ; 44 ; 60) pour le rouleau (46) étant disposé dans la direction de l'axe de rotation (47) du rouleau (46) à côté de celui-ci, caractérisée en ce que le rouleau (46) et/ou le support (40 ; 44 ; 60) présentent au moins dans la région de contact entre le rouleau (46) et le support (40 ; 44 ; 60) une surface de grande résistance à l'usure, en ce que le rouleau (46) est réalisé avec une forme courbée convexe au niveau de sa surface latérale (56) tournée vers le support (40 ; 44 ; 60), en ce que la courbure convexe de la surface latérale (56) du rouleau (46) est au moins approximativement sphérique, en ce que le support (60) est réalisé sous forme courbée concave et en ce que le rayon (R) de la courbure de la surface latérale (56) du rouleau (46) représente environ 70 à 100%, de préférence environ 85 à 95% du rayon (R1) de la courbure du support (60).
  2. Pompe haute pression selon la revendication 1, caractérisée en ce que le rouleau (46) et/ou le support (40 ; 44 ; 60) sont pourvus dans la région de contact, d'un revêtement (62) en un matériau ayant une grande résistance à l'usure.
  3. Pompe haute pression selon la revendication 1, caractérisée en ce qu'un insert (64) en un matériau ayant une grande résistance à l'usure est introduit dans le rouleau (46) et/ou dans le support (40 ; 44 ; 60) dans la région de contact.
  4. Pompe haute pression selon la revendication 2 ou 3, caractérisée en ce que le revêtement (62) ou l'insert (64) se composent d'un matériau céramique.
  5. Pompe haute pression selon la revendication 2 ou 3, caractérisée en ce que le revêtement (62) ou l'insert (64) se composent d'un oxyde métallique ou d'un nitrure métallique.
  6. Pompe haute pression selon la revendication 5, caractérisée en ce que le revêtement (62) ou l'insert (64) se composent de nitrure de titane.
  7. Pompe haute pression selon la revendication 2 ou 3, caractérisée en ce que le revêtement (62) ou l'insert (64) se composent d'un composé carboné, notamment d'un composé carboné semblable au diamant.
  8. Pompe haute pression selon la revendication 1, caractérisée en ce que le rouleau (46) et/ou le support (60) se composent d'un matériau céramique.
  9. Pompe haute pression selon l'une quelconque des revendications précédentes, caractérisée en ce que le support (60) est réalisé sous forme de bague entourant le rouleau (46).
  10. Pompe haute pression selon l'une quelconque des revendications précédentes, caractérisée en ce que le support (60) est introduit dans l'élément de support (44) ou dans un poussoir (40) recevant l'élément de support (44).
EP07726234A 2006-02-20 2007-01-26 Pompe haute pression conçue en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne Active EP2032850B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006007697 2006-02-20
DE102006041673A DE102006041673A1 (de) 2006-02-20 2006-09-06 Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
PCT/EP2007/050762 WO2007096224A1 (fr) 2006-02-20 2007-01-26 Pompe haute pression conçue en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2032850A1 EP2032850A1 (fr) 2009-03-11
EP2032850B1 true EP2032850B1 (fr) 2011-03-16

Family

ID=37905895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726234A Active EP2032850B1 (fr) 2006-02-20 2007-01-26 Pompe haute pression conçue en particulier pour un dispositif d'injection de carburant d'un moteur à combustion interne

Country Status (9)

Country Link
US (1) US8191459B2 (fr)
EP (1) EP2032850B1 (fr)
JP (1) JP4768826B2 (fr)
KR (1) KR101076170B1 (fr)
CN (1) CN101389858B (fr)
AT (1) ATE502209T1 (fr)
BR (1) BRPI0706556A2 (fr)
DE (2) DE102006041673A1 (fr)
WO (1) WO2007096224A1 (fr)

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DE102007062177A1 (de) 2007-12-21 2009-06-25 Robert Bosch Gmbh Hochdruckpumpe
DE102008000824A1 (de) * 2008-03-26 2009-10-01 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe
DE102008017824A1 (de) * 2008-04-08 2009-10-15 Continental Automotive Gmbh Stößelbaugruppe für eine Hochdruckpumpe und Hochdruckpumpe
DE102008001871A1 (de) * 2008-05-20 2009-11-26 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
DE102008001960A1 (de) 2008-05-26 2009-12-03 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe
DE102008002378A1 (de) * 2008-06-12 2009-12-17 Robert Bosch Gmbh Kolbenpumpe mit gleitlackbeschichteter Laufrollenkuppe
DE102008050661A1 (de) 2008-09-22 2010-03-25 Vladimir Volchkov Triebwerk einer mit Nockenwelle angetriebenen Hubkolbenmaschine
DE102008050662A1 (de) 2008-09-22 2010-03-25 Vladimir Volchkov Triebwerk einer mit Nockenwelle angetriebenen Hubkolbenmaschine
DE102008043993B3 (de) * 2008-11-21 2010-04-29 Thielert Aircraft Engines Gmbh Common-Rail-Hochdruckpumpe
DE102009001631A1 (de) * 2009-03-18 2010-09-23 Robert Bosch Gmbh Hochdruckpumpe und Stößelbaugruppe
DE102009003054A1 (de) * 2009-05-13 2010-11-18 Robert Bosch Gmbh Hochdruckpumpe
DE102009003096A1 (de) 2009-05-14 2010-11-18 Robert Bosch Gmbh Hochdruckpumpe
IT1395132B1 (it) * 2009-08-05 2012-09-05 Bosch Gmbh Robert Pompa di alta pressione
DE102009028378A1 (de) * 2009-08-10 2011-02-17 Robert Bosch Gmbh Hochdruckpumpe
DE102009028394A1 (de) * 2009-08-10 2011-02-17 Robert Bosch Gmbh Hochdruckpumpe
DE102009028373A1 (de) * 2009-08-10 2011-02-17 Robert Bosch Gmbh Hochdruckpumpe
DE102009028797A1 (de) 2009-08-21 2011-02-24 Robert Bosch Gmbh Hochdruckpumpe
DE102009028800A1 (de) 2009-08-21 2011-02-24 Robert Bosch Gmbh Hochdruckpumpe
DE102010003886A1 (de) * 2010-04-13 2011-10-13 Robert Bosch Gmbh Hochdruckpumpe
BR112012029261A2 (pt) * 2010-05-19 2017-12-12 Graco Minnesota Inc conjunto de bomba.
ES2707874T3 (es) 2010-05-19 2019-04-05 Graco Minnesota Inc Abrazadera espaciadora extraíble para bomba de pistón ajustable
DE102010030425A1 (de) 2010-06-23 2011-12-29 Robert Bosch Gmbh Laufrolle für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102010030421A1 (de) 2010-06-23 2011-12-29 Robert Bosch Gmbh Flanschbauteil für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102010031646A1 (de) 2010-07-22 2012-01-26 Robert Bosch Gmbh Hochdruckpumpe
DE102010041422A1 (de) 2010-09-27 2012-03-29 Robert Bosch Gmbh Hochdruckpumpe
DE102010041483A1 (de) 2010-09-27 2012-03-29 Robert Bosch Gmbh Hochdruckpumpe
DE102010041425A1 (de) * 2010-09-27 2012-03-29 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
DE102010042289A1 (de) 2010-10-11 2012-04-12 Robert Bosch Gmbh Laufrolle für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102010042295A1 (de) * 2010-10-12 2012-04-12 Robert Bosch Gmbh Hochdruckpumpe und Triebwerk für eine Hochdruckpumpe
DE102010042472A1 (de) * 2010-10-14 2012-04-19 Robert Bosch Gmbh Hochdruckpumpe eines Kraftstoffeinspritzsystems einer Brennkraftmaschine
DE102010042484A1 (de) * 2010-10-15 2012-04-19 Robert Bosch Gmbh Hochdruckpumpe für eine Kraftstoffeinspritzvorrichtung
DE102010062678A1 (de) * 2010-12-09 2012-06-14 Robert Bosch Gmbh Pumpe, insbesondere Kraftstoffhochdruckpumpe
DE102011003678A1 (de) * 2011-02-07 2012-08-09 Robert Bosch Gmbh Hochdruckpumpe
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JP2009527675A (ja) 2009-07-30
CN101389858B (zh) 2011-04-06
US20080295807A1 (en) 2008-12-04
US8191459B2 (en) 2012-06-05
DE502007006731D1 (de) 2011-04-28
KR101076170B1 (ko) 2011-10-21
BRPI0706556A2 (pt) 2011-03-29
WO2007096224A1 (fr) 2007-08-30
ATE502209T1 (de) 2011-04-15
DE102006041673A1 (de) 2007-08-23
EP2032850A1 (fr) 2009-03-11
JP4768826B2 (ja) 2011-09-07
CN101389858A (zh) 2009-03-18
KR20080093131A (ko) 2008-10-20

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