[go: up one dir, main page]

WO2011131481A1 - Pompe haute pression - Google Patents

Pompe haute pression Download PDF

Info

Publication number
WO2011131481A1
WO2011131481A1 PCT/EP2011/055328 EP2011055328W WO2011131481A1 WO 2011131481 A1 WO2011131481 A1 WO 2011131481A1 EP 2011055328 W EP2011055328 W EP 2011055328W WO 2011131481 A1 WO2011131481 A1 WO 2011131481A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder head
head part
pump
housing
pressure 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.)
Ceased
Application number
PCT/EP2011/055328
Other languages
German (de)
English (en)
Inventor
Friedrich Boecking
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
Priority to EP11712557.5A priority Critical patent/EP2561213B1/fr
Priority to CN201180019860.4A priority patent/CN102844559B/zh
Publication of WO2011131481A1 publication Critical patent/WO2011131481A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F02M59/48—Assembling; Disassembling; Replacing
    • 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
    • F02M59/44—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
    • F02M59/46—Valves
    • F02M59/464—Inlet valves of the check valve type
    • 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
    • F02M59/48—Assembling; Disassembling; Replacing
    • F02M59/485—Means for fixing delivery valve casing and barrel to each other or to pump casing
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9053—Metals
    • 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
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
    • 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
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means

Definitions

  • the invention relates to a high-pressure pump, in particular a radial or
  • the invention relates to the field of fuel pumps for fuel injection systems of air-compression, self-igniting internal combustion engines.
  • a fuel pump with a housing and a drive shaft mounted in the housing is known.
  • two oppositely arranged cylinder heads are provided, which are fixed to the housing.
  • an intake valve and an exhaust valve is integrated.
  • high pressure ports are provided, which are screwed into the respective cylinder head.
  • the fuel pump known from EP 1 013 921 A2 has the disadvantage that the production costs are relatively high. Specifically, high pressure resistant materials must be used for the design of the cylinder heads and it is a processing of these high pressure resistant materials required.
  • the high-pressure pump according to the invention with the features of claim 1 has the advantage that the production costs are reduced. Specifically, the material and
  • the high pressure pump comprises a housing to which the cylinder head is mounted.
  • a plurality of cylinder heads may be provided, which are mounted on the housing.
  • the housing of the high pressure pump can be configured in one or more parts.
  • the pump assembly has a cylinder bore configured in the first cylinder head part and a pump piston guided in the cylinder bore, that the pump piston in the cylinder bore limits the pump working space and that the pump piston can be driven by the drive shaft.
  • a high stability of the first cylinder head part can advantageously be utilized in order to form the cylinder bore with the pump working space.
  • an inlet valve is arranged on the second cylinder head part and that the inlet valve limits the pump working space.
  • Inlet valve to limit the pump work space.
  • the inlet valve may be suitably placed on an end face of the first cylinder head part.
  • An attachment of the intake valve to the first cylinder head part can via the second
  • the second cylinder head part may have a suitable receptacle in which the inlet valve is arranged.
  • an outlet valve is arranged on the first cylinder head part and that in the first cylinder head part a fuel channel is formed which leads from the pump working chamber to the outlet valve.
  • the fuel channel is configured by a stepped bore formed in the first cylinder head part and that the outlet valve is formed in the stepped bore.
  • the exhaust valve can be integrated in an advantageous manner in the first cylinder head part.
  • the outlet valve can be designed as a check valve.
  • the first cylinder head part may be designed as a forged part, so that there are considerable advantages in terms of the strength of the first cylinder head part.
  • the cylinder head part may be formed from a favorable material, in particular from a non-hardened material, so that in this respect a cost reduction with respect to the assembled cylinder head results.
  • the second cylinder head part is configured as a flange and that the second cylinder head part can be screwed to the housing in at least two different screw-on positions. Specifically, four screw-on positions can be provided.
  • the Anschraubpositionen by distinguish a rotation of the cylinder head about an axis of the pump assembly from each other. For example, by rotating the cylinder head by 90 ° or by integer multiples of 90 ° a certain variability with four possible
  • Screwing positions are achieved. With respect to the particular application, then a suitable alignment of the cylinder head with respect to the housing of the
  • the outlet valve or a high-pressure connection of the high-pressure pump provided behind the outlet valve can thereby be aligned relative to the respective application.
  • the second cylinder head part has a lateral recess, which serves for receiving a lateral neck of the first cylinder head part. At the lateral neck of the first cylinder head part of the high pressure port can be provided.
  • the cylinder head can be assembled in a simple manner.
  • the first cylinder head part is formed from a high pressure resistant material and that the second cylinder head part is formed from a low pressure resistant material.
  • the first cylinder head portion may be made of a high grade steel, such as 100CR6.
  • the second cylinder head part may be formed from a low-cost material. The second cylinder head part can in this case fix the first cylinder head part and thus the cylinder head and carry the low-pressure circuit.
  • the cylinder head may be formed as a two-part cylinder head, which is composed of the first cylinder head part and the second cylinder head part.
  • sealing rings and the like may be integrated into the cylinder head, which allow the required tightness at the interfaces in the assembled state.
  • Fig. 1 is a high-pressure pump in a partial, schematic, axial
  • FIG. 2 the high-pressure pump shown in Fig. 1 in a schematic representation of the designated II viewing direction.
  • Fig. 1 shows a high-pressure pump 1 in a partial, schematic, axial sectional view according to an embodiment of the invention.
  • High-pressure pump 1 can be designed in particular as a radial or in-line piston pump. Specifically, the high-pressure pump 1 is suitable as a fuel pump for
  • a preferred use of the high-pressure pump 1 is for a fuel injection system with a common rail that stores diesel fuel under high pressure.
  • the high-pressure pump 1 according to the invention is also suitable for others
  • the high-pressure pump 1 has a housing 2, which may be configured in one or more parts. Further, a drive shaft 3 is provided, which is mounted in a suitable manner in the housing 2. The drive shaft 3 has a cam 4. In operation, the rotates
  • the cam 4 rotates with the drive shaft 3.
  • the cam 4 may be configured as a single or multiple cam. Further, the cam 4 may also be formed by an eccentric portion of the drive shaft 3. Depending on the configuration of the high-pressure pump 1 and other cams on the
  • the housing 2 may also be a housing of a
  • Be internal combustion engine, for example, the cylinder head, and the drive shaft 3 may be a camshaft of the internal combustion engine, are actuated by the gas exchange valves and the cam or the cam 4 for the high-pressure pump 1.
  • the high-pressure pump 1 also has a cylinder head 6.
  • the cylinder head 6 is composed of a first cylinder head part 7 and a second cylinder head part 8.
  • the first cylinder head part 7 is formed of a high pressure resistant material.
  • the first cylinder head part 7 made of a high-quality steel
  • the second cylinder head part 8 is designed as a flange 8.
  • the second cylinder head part 8 may be formed of a low-cost material.
  • the second cylinder head part 8 is formed of a low pressure resistant material.
  • the housing 2 has a plunger bore 10.
  • Cylinder head 6 has a projection 1 1, which extends into the plunger bore 10.
  • first cylinder head part 7 has a cylinder bore 12 in which a pump piston 13 is guided.
  • the pump piston 13 is part of this
  • Pump assembly 14 which is arranged in the region of the plunger bore 10 and the the Cam 4 is assigned.
  • the cam 4 acts in a suitable manner on the pump piston 13, as illustrated by the double arrow 15. For example, via a plunger body, a roller shoe inserted into the plunger body and in the
  • Roller shoe mounted roller which runs on a running surface of the cam 4, a
  • Pump working space 18 is formed.
  • the pump working space 18 is in the first
  • Cylinder head part 7 designed.
  • the pump piston 13 is guided in operation along an axis 19 of the pump assembly 14, wherein the axis 19 is determined by the cylinder bore 12.
  • the housing 2 of the high-pressure pump 1 has an end face 25.
  • the cylinder head 6 is placed on the end face 25 of the housing 2.
  • the first cylinder head part 7 has a circumferential collar 26 in the region of its attachment 11. With the encircling collar 26, the first cylinder head part 7 is supported on the end face 25 of the housing 2.
  • the second cylinder head part 8 has a bearing surface 27, which on the end face 25 of the
  • Housing 2 is applied.
  • the second cylinder head part 8 is fixed to the housing 2.
  • the second cylinder head part 8 also fixes the first cylinder head part 7 on the housing 2. As a result, the entire cylinder head 6 is fastened to the housing 2.
  • the first cylinder head part 7 has a connecting piece 28, which is oriented at least approximately perpendicular to the axis 19. At the nozzle 28, a high-pressure port 29 is formed. Further, a stepped bore 30 is formed on the nozzle 28, which forms a fuel channel 31.
  • a check valve outlet valve 32 is integrated in the neck 28 of the first cylinder head part 7 designed as a check valve outlet valve 32 in the region of a conical step of the stepped bore 30, a valve ball 33 of the outlet valve 32
  • Cylinder head part 7 can be integrated.
  • the second cylinder head part 8 has a recess 34 with a threaded portion 35.
  • a valve piece 36 is inserted in the recess 34.
  • Via a screw ring 37 which is screwed into the threaded portion 35, the valve piece 36 is acted upon against an end face 38 of the first cylinder head part 7.
  • a Sealing ring 39 is provided in the area of the end face 38 , which ensures a seal.
  • a valve stem 40 is provided, which is acted upon by a valve spring 41. Between the valve stem 40 and a valve seat surface 42, a sealing seat is formed.
  • the second cylinder head part 8 has a recess 34 with a threaded portion 35.
  • a valve piece 36 is inserted in the recess 34.
  • Via screw ring 37 which is screwed into the threaded portion 35, the valve piece 36 is acted upon against an end face 38 of the first cylinder head part 7.
  • Cylinder head part 8 a fuel passage 43 configured, which is connected in this embodiment with a further channel portion 44.
  • the channel section 44 is configured here in the housing 2.
  • a sealing ring 45 is arranged to seal the passage of the channel portion 44 of the housing 2 to the fuel channel 43 of the second cylinder head part 8.
  • About the fuel passage 43 is under low pressure fuel to a
  • Inlet valve 46 is guided, which is configured by the valve piece 36, the screw ring 37, the valve stem 40 and the valve spring 41.
  • the intake valve 46 can be integrated into the second cylinder head part 8 in this way.
  • fuel is conducted from the fuel channel 43 via the inlet valve 46 into the pump working chamber 18.
  • the fuel from the pump working chamber 18 via the fuel channel 31 and the exhaust valve 32 is guided to the high pressure port 29.
  • High-pressure port 29 may be a high-pressure line attached to lead the high-pressure fuel to a common rail or the like.
  • the second cylinder head part 8 of the cylinder head 6 is only loaded by the low pressure of the fuel under low pressure.
  • the first cylinder head part 7, however, is the high pressure of the
  • the first cylinder head part 7 is made of a high-pressure-resistant material, in particular a high-grade steel.
  • the second cylinder head part 8 may consist of a
  • FIG. 2 shows the high-pressure pump 1 shown in FIG. 1 in an excerpted, schematic representation from the viewing direction designated II.
  • Cylinder head part 8 of the cylinder head 6 has an edge 50.
  • Embodiment are on the edge 50 four holes 51, 52, 53, 54 configured.
  • the Holes 51 to 54 are distributed uniformly with respect to the axis 19 in the circumferential direction at the edge 50. Between adjacent holes 51 to 54 is given with respect to the axis 19, a distance of 90 °.
  • Through the bores 51 to 54 extend screws 51 ', 52', 53 ', 54', which are screwed into suitable threaded holes of the housing 2.
  • the cylinder head 6 is bolted to the housing 2.
  • the high pressure port 29 on the nozzle 28 of the first cylinder head part 7 is disposed between the bores 51, 54.
  • the cylinder head 6 can also be screwed in a different position to the housing 2. This allows the position of the
  • High pressure port 29 can be changed.
  • the high-pressure port 29 can be pivoted with respect to the axis 19 by 90 ° or by multiples of 90 °. This is possible by an offset screw connection of the second cylinder head part 8 with the first cylinder head part 7 on the housing 2.
  • the bore 51 is offset relative to the axis 55 of the nozzle 28 by an angle 56 of 45 °.
  • the second cylinder head part 8 has a lateral recess 57, which serves to receive the lateral neck 28 of the first cylinder head part 7.
  • the flange 8 can be designed to be open, so that joining of the first cylinder head part 7 into the second cylinder head part 8 is possible.
  • the second cylinder head part 8 is open and closed by the inlet valve 46.
  • the inlet valve 46 is designed here as a suction valve.
  • Exhaust valve 32 for example, as a forged part, has the advantage that a high strength can be achieved.
  • four different positions for the exhaust valve 32 and the downstream high-pressure portion 29 can be realized.
  • a different number of positions is possible. This can be done by a suitable
  • Embodiment of holes on the edge 50 of the second cylinder head part 8 can be realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Pompe haute pression (1) servant notamment, en tant que pompe à piston radial ou en ligne, dans des systèmes d'injection de carburant de moteurs à combustion interne à compression d'air et auto-allumage, cette pompe comportant un carter (2), un arbre d'entraînement (3) logé dans le carter (2), au moins une culasse (6) reliée au carter (2) et un module de pompe (14) qui est monté sur la culasse (6) et peut être entraîné par l'arbre d'entraînement (3). La culasse (6) comprend une première partie (7) et une deuxième partie (8) de culasse. Le module de pompe (14) comporte un espace de travail de pompe (18) ménagé dans la première partie (7) de culasse. La culasse (6) est reliée au carter (2) par la deuxième partie (8) de culasse. La première partie (7) de culasse est en matériau résistant aux hautes pressions alors que la deuxième partie (8) de culasse est en matériau peu onéreux.
PCT/EP2011/055328 2010-04-21 2011-04-06 Pompe haute pression Ceased WO2011131481A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11712557.5A EP2561213B1 (fr) 2010-04-21 2011-04-06 Pompe haute pression
CN201180019860.4A CN102844559B (zh) 2010-04-21 2011-04-06 高压泵

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010028036.4 2010-04-21
DE201010028036 DE102010028036A1 (de) 2010-04-21 2010-04-21 Hochdruckpumpe

Publications (1)

Publication Number Publication Date
WO2011131481A1 true WO2011131481A1 (fr) 2011-10-27

Family

ID=44187859

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/055328 Ceased WO2011131481A1 (fr) 2010-04-21 2011-04-06 Pompe haute pression

Country Status (4)

Country Link
EP (1) EP2561213B1 (fr)
CN (1) CN102844559B (fr)
DE (1) DE102010028036A1 (fr)
WO (1) WO2011131481A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015169621A1 (fr) * 2014-05-05 2015-11-12 Robert Bosch Gmbh Pompe haute pression pour l'alimentation d'un carburant dans un moteur à combustion interne

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011089953A1 (de) 2011-12-27 2013-06-27 Robert Bosch Gmbh Ventil, insbesondere Saugventil einer Hochdruckpumpe
DE102013204327A1 (de) * 2013-03-13 2014-09-18 Robert Bosch Gmbh Zylinderkopfrohteil, Zylinderkopf und Hochdruckpumpe für Brennstoffeinspritzanlagen
DE102013210036A1 (de) 2013-05-29 2014-12-04 Robert Bosch Gmbh Hochdruckpumpe für ein Kraftstoffeinspritzsystem
DE102013212261A1 (de) * 2013-06-26 2014-12-31 Robert Bosch Gmbh Hochdruckpumpe
GB201516704D0 (en) * 2015-09-21 2015-11-04 Delphi Int Operations Lux Srl Fuel pump assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602513A1 (de) * 1985-02-02 1986-08-07 Lucas Industries P.L.C., Birmingham, West Midlands Fluessigtreibstoffeinspritzpumpe
WO1987000582A1 (fr) * 1985-07-20 1987-01-29 Robert Bosch Gmbh Methode d'installation d'une pompe a injection sur un moteur a combustion interne
DE19719265A1 (de) * 1997-05-07 1998-11-12 Deutz Ag Einspritzsystem einer Brennkraftmaschine
EP1013921A2 (fr) 1998-12-25 2000-06-28 Denso Corporation Pompe d'injection de carburant
EP2112368A2 (fr) * 2008-04-25 2009-10-28 Hitachi Ltd. Mécanisme de retenue de pulsation de pression de carburant et pompe à carburant à haute pression de moteur à combustion interne avec ce mécanisme

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170558B (en) * 1985-02-02 1988-05-25 Lucas Ind Plc Liquid fuel injection pump
ITMI20071202A1 (it) * 2007-06-14 2008-12-15 Bosch Gmbh Robert Pompa ad alta pressione per l'alimentazione di combustibile ad un motore a combustione interna ed avente un albero di azionamento
DE102008001572A1 (de) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Federhaltehülse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602513A1 (de) * 1985-02-02 1986-08-07 Lucas Industries P.L.C., Birmingham, West Midlands Fluessigtreibstoffeinspritzpumpe
WO1987000582A1 (fr) * 1985-07-20 1987-01-29 Robert Bosch Gmbh Methode d'installation d'une pompe a injection sur un moteur a combustion interne
DE19719265A1 (de) * 1997-05-07 1998-11-12 Deutz Ag Einspritzsystem einer Brennkraftmaschine
EP1013921A2 (fr) 1998-12-25 2000-06-28 Denso Corporation Pompe d'injection de carburant
EP2112368A2 (fr) * 2008-04-25 2009-10-28 Hitachi Ltd. Mécanisme de retenue de pulsation de pression de carburant et pompe à carburant à haute pression de moteur à combustion interne avec ce mécanisme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015169621A1 (fr) * 2014-05-05 2015-11-12 Robert Bosch Gmbh Pompe haute pression pour l'alimentation d'un carburant dans un moteur à combustion interne

Also Published As

Publication number Publication date
EP2561213B1 (fr) 2016-01-20
EP2561213A1 (fr) 2013-02-27
CN102844559A (zh) 2012-12-26
CN102844559B (zh) 2016-04-27
DE102010028036A1 (de) 2011-10-27

Similar Documents

Publication Publication Date Title
EP1727983B1 (fr) Pompe haute pression, notamment destinee a un dispositif d'injection de carburant d'un moteur a combustion interne
EP2561213B1 (fr) Pompe haute pression
DE19907311A1 (de) Hydraulikpumpeneinheit
EP2235368B1 (fr) Pompe, en particulier pompe à carburant haute pression
DE102012204264A1 (de) Hochdruckpumpe
WO2010000512A1 (fr) Pompe haute pression
DE10118884A1 (de) Hochdruck-Kraftstoffpumpe für ein Kraftstoffsystem einer direkteinspritzenden Brennkraftmaschine, Kraftstoffsystem sowie Brennkraftmaschine
EP2265811A1 (fr) Pompe haute pression
EP0931219A1 (fr) Pompe a carburant haute pression
WO2013092968A2 (fr) Pompe, en particulier pompe carburant haute pression pour un dispositif d'injection de carburant
DE10117600C1 (de) Hochdruck-Kraftstoffpumpe für ein Kraftstoffsystem einer direkteinspritzenden Brennkraftmaschine, Kraftstoffsystem sowie Brennkraftmaschine
WO2009115356A1 (fr) Pompe haute pression
EP1047876B1 (fr) Pompe a pistons radiaux pour alimentation haute pression en carburant
DE102009026964A1 (de) Brennstoffpumpe
DE102009027273A1 (de) Hochdruckpumpe
DE102009002520A1 (de) Hochdruckpumpe
EP1537334B1 (fr) Pompe, notamment pour un systeme d'injection de carburant destine a un moteur a combustion interne
DE19841642A1 (de) Radialkolbenpumpe
WO2009115354A1 (fr) Pompe haute pression
DE102010031390B4 (de) Saugventil einer Kraftstoffversorgungsanlage einer Brennkraftmaschine
WO2014206843A1 (fr) Pompe haute pression
WO2009013175A1 (fr) Pompe, en particulier pompe à carburant haute pression
DE10355028A1 (de) Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
EP3039282B1 (fr) Pompe, en particulier une pompe de carburant à haute pression
DE102008041393A1 (de) Kraftstoffsystem für eine Brennkraftmaschine

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180019860.4

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11712557

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2011712557

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 9091/DELNP/2012

Country of ref document: IN