EP2561213B1 - Pompe haute pression - Google Patents

Pompe haute pression Download PDF

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Publication number
EP2561213B1
EP2561213B1 EP11712557.5A EP11712557A EP2561213B1 EP 2561213 B1 EP2561213 B1 EP 2561213B1 EP 11712557 A EP11712557 A EP 11712557A EP 2561213 B1 EP2561213 B1 EP 2561213B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
head part
pump
pressure pump
housing
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.)
Not-in-force
Application number
EP11712557.5A
Other languages
German (de)
English (en)
Other versions
EP2561213A1 (fr
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
Publication of EP2561213A1 publication Critical patent/EP2561213A1/fr
Application granted granted Critical
Publication of EP2561213B1 publication Critical patent/EP2561213B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 linear piston pump. Specifically, 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.
  • Fuel pumps in particular plug-in pumps, with multi-part pump housings for attachment to a housing of an internal combustion engine known.
  • the high pressure pump according to the invention with the features of claim 1 has the advantage that the manufacturing cost is reduced. Specifically, the material and processing costs for the design of the cylinder head is reduced. This advantage is multiplied by the number of cylinder heads provided on the high-pressure pump.
  • 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 second 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 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.
  • one or more components of the inlet valve can limit the pump working 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 take place via the second cylinder head part.
  • the second cylinder head part may have a suitable receptacle in which the inlet valve is arranged.
  • 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 differ by 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 can be achieved with four possible Anschraubpositionen.
  • a suitable alignment of the cylinder head with respect to the housing of the high-pressure pump can then take place. Specifically, this makes it possible to align the outlet valve or a high-pressure connection of the high-pressure pump provided behind the outlet valve with respect 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.
  • a lateral recess which serves for receiving a lateral neck of the first cylinder head part.
  • 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 shows a high pressure pump 1 in a partial, schematic, axial sectional view according to an embodiment of the invention.
  • the high pressure pump 1 can be configured in particular as a radial or inline piston pump.
  • the high-pressure pump 1 is suitable as a fuel pump for fuel injection systems of air-compressing, self-igniting internal combustion engines.
  • 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 other applications.
  • 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 drive shaft 3 rotates about its axis of rotation 5. Here, the cam 4 rotates with the drive shaft 3.
  • the cam 4 can 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, further cams may be provided on the drive shaft 3.
  • the housing 2 may also be a housing of an 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 may be made of a high-grade steel, in particular 100CR6.
  • 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.
  • the first cylinder head part 7 of the cylinder head 6 has a projection 11 which extends into the plunger bore 10.
  • the first cylinder head part 7 has a cylinder bore 12 in which a pump piston 13 is guided.
  • the pump piston 13 is in this case part of a 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 a roller mounted in the roller shoe, which runs on a running surface of the cam 4, an operative connection between the cam 4 and the pump piston 13 for driving the pump assembly 14 may be provided.
  • a provision of such a plunger body can in this case take place via a plunger spring 16, which surrounds the projection 11 in sections. This results during the rotation of the drive shaft 3 about its axis of rotation 5 to a reciprocating motion of the pump piston 13 in the cylinder bore 12th
  • pump working chamber 18 At the end of the cylinder bore 12 a limited by an end face 17 pump working chamber 18 is formed.
  • the pump working space 18 is configured in the first cylinder head part 7.
  • 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 projection 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 contact surface 27 which rests against the front side 25 of the housing 2.
  • 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.
  • 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 valve ball 33 of the outlet valve 32 is arranged in the region of a conical step of the stepped bore 30.
  • 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.
  • a fuel passage 43 is configured, which in this embodiment is connected to a further passage section 44.
  • the channel section 44 is configured here in the housing 2.
  • a sealing ring 45 is arranged to seal the transition from the channel portion 44 of the housing 2 to the fuel channel 43 of the second cylinder head part 8.
  • inlet valve 46 Via the fuel channel 43, low-pressure fuel is led to an inlet valve 46, 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.
  • a high pressure line may be mounted to guide 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 is loaded by the high pressure of the high pressure fuel delivered by the pump piston 13.
  • 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 can be made of a cost-effective material, which only has to be low-pressure resistant.
  • the configuration of the high pressure pump 1 of the embodiment is hereinafter also with reference to the Fig. 2 described in further detail.
  • Fig. 2 shows the in Fig. 1 illustrated high-pressure pump 1 in an excerpt, schematic representation of the designated II viewing direction.
  • the second cylinder head part 8 of the cylinder head 6 has an edge 50.
  • four holes 51, 52, 53, 54 are configured on the edge 50.
  • 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.
  • 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 °.
  • 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.
  • a simple assembly of the cylinder head 6 from the two cylinder head parts 7, 8 is possible.
  • 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.
  • the one-piece design of the first cylinder head part 7 with the integrated outlet valve 32 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 realized by a suitable design of holes on the edge 50 of the second cylinder head part 8.

Landscapes

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

Claims (8)

  1. Pompe haute pression (1), en particulier pompe à piston radial ou en ligne pour des installations d'injection de carburant de moteurs à combustion interne à auto-allumage et compression d'air, comprenant un carter (2), un arbre d'entraînement (3) supporté dans le carter (2), au moins une culasse (6) connectée au carter (2) et au moins un module de pompe (14) disposé au niveau de la culasse (6), lequel peut être entraîné par l'arbre d'entraînement (3), la culasse (6) présentant une première partie de culasse (7) et au moins une deuxième partie de culasse (8), le module de pompe (14) présentant un espace de travail de pompe (18) qui est configuré dans la première partie de culasse (7), une soupape d'échappement (32) étant disposée au niveau de la première partie de culasse (7) et un canal de carburant (31) étant réalisé dans la première partie de culasse (7), lequel conduit de l'espace de travail de la pompe (18) à la soupape d'échappement (32) et la culasse (6) étant connectée par le biais de la deuxième partie de culasse (8) au carter (2),
    caractérisée en ce que le canal de carburant (31) est configuré par un alésage étagé (30) réalisé dans la première partie de culasse (7) et en ce que la soupape d'échappement (32) est réalisée dans l'alésage étagé (30).
  2. Pompe haute pression selon la revendication 1,
    caractérisée en ce que le module de pompe (14) présente un alésage de cylindre (12) réalisé dans la première partie de culasse (7) et un piston de pompe (13) guidé dans l'alésage de cylindre (12), en ce que le piston de pompe (13) délimite l'espace de travail de pompe (18) dans l'alésage de cylindre (12) et en ce que le piston de pompe (13) peut être entraîné par l'arbre d'entraînement (3) .
  3. Pompe haute pression selon la revendication 1 ou 2,
    caractérisée en ce qu'une soupape d'admission (46) est disposée au niveau de la deuxième partie de culasse (8) et en ce que la soupape d'admission (46) délimite l'espace de travail de pompe (18).
  4. Pompe haute pression selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que la deuxième partie de culasse (8) est configurée sous forme de bride et en ce que la deuxième partie de culasse (8) peut être vissée au carter (2) dans au moins trois positions de vissage différentes.
  5. Pompe haute pression selon la revendication 4,
    caractérisée en ce que les positions de vissage se distinguent les unes des autres par une rotation de la culasse (6) autour d'un axe (19) du module de pompe (14).
  6. Pompe haute pression selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que la deuxième partie de culasse (8) présente un évidement latéral (57) qui sert à recevoir une tubulure latérale (28) de la première partie de culasse (7).
  7. Pompe haute pression selon l'une quelconque des revendications 1 à 6,
    caractérisée en ce que la première partie de culasse (7) est formée d'un matériau résistant aux hautes pressions et en ce que la deuxième partie de culasse (8) est formée d'un matériau résistant aux basses pressions.
  8. Pompe haute pression selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que la culasse (6) est réalisée sous forme de culasse en deux parties (6) qui se compose de la première partie de culasse (7) et de la deuxième partie de culasse (8).
EP11712557.5A 2010-04-21 2011-04-06 Pompe haute pression Not-in-force EP2561213B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010028036 DE102010028036A1 (de) 2010-04-21 2010-04-21 Hochdruckpumpe
PCT/EP2011/055328 WO2011131481A1 (fr) 2010-04-21 2011-04-06 Pompe haute pression

Publications (2)

Publication Number Publication Date
EP2561213A1 EP2561213A1 (fr) 2013-02-27
EP2561213B1 true EP2561213B1 (fr) 2016-01-20

Family

ID=44187859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11712557.5A Not-in-force EP2561213B1 (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)

Families Citing this family (6)

* 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
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
GB201516704D0 (en) * 2015-09-21 2015-11-04 Delphi Int Operations Lux Srl Fuel pump assembly

Family Cites Families (8)

* 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
DE3602513C2 (de) * 1985-02-02 1997-02-06 Lucas Ind Plc Flüssigtreibstoffeinspritzpumpe
DE3622633A1 (de) * 1985-07-20 1987-01-22 Bosch Gmbh Robert Verfahren zum anbau einer einspritzpumpe an eine brennkraftmaschine und zugehoerige brennkraftmaschine
DE19719265A1 (de) * 1997-05-07 1998-11-12 Deutz Ag Einspritzsystem einer Brennkraftmaschine
JP4088738B2 (ja) 1998-12-25 2008-05-21 株式会社デンソー 燃料噴射ポンプ
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
JP5002523B2 (ja) * 2008-04-25 2012-08-15 日立オートモティブシステムズ株式会社 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ
DE102008001572A1 (de) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Federhaltehülse

Also Published As

Publication number Publication date
CN102844559B (zh) 2016-04-27
CN102844559A (zh) 2012-12-26
WO2011131481A1 (fr) 2011-10-27
DE102010028036A1 (de) 2011-10-27
EP2561213A1 (fr) 2013-02-27

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