EP2627903A1 - Pompe haute pression pour un dispositif d'injection de carburant - Google Patents

Pompe haute pression pour un dispositif d'injection de carburant

Info

Publication number
EP2627903A1
EP2627903A1 EP11754404.9A EP11754404A EP2627903A1 EP 2627903 A1 EP2627903 A1 EP 2627903A1 EP 11754404 A EP11754404 A EP 11754404A EP 2627903 A1 EP2627903 A1 EP 2627903A1
Authority
EP
European Patent Office
Prior art keywords
tappet
pressure pump
eccentric
pump
pump according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11754404.9A
Other languages
German (de)
English (en)
Other versions
EP2627903B1 (fr
Inventor
Alfons Schoetz
Markus Schetter
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 EP2627903A1 publication Critical patent/EP2627903A1/fr
Application granted granted Critical
Publication of EP2627903B1 publication Critical patent/EP2627903B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
    • 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
    • F04B1/0439—Supporting or guiding means for the pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Reciprocating Pumps (AREA)

Abstract

La présente invention concerne une pompe haute pression (1) d'un appareil d'injection de carburant, qui peut en particulier être utilisée pour un appareil d'injection à rampe commune d'un moteur à combustion interne. La pompe haute pression (1) comprend un arbre de pompe ou d'entraînement, relié solidaire en rotation à un excentrique (6) ainsi qu'un élément de pompe (8). L'élément de pompe (8) comprenant un poussoir creux (13), un piston (12) ainsi qu'un ressort (14) de poussoir est placé dans un trou (16) dans le carter d'un bloc moteur (3). Le piston creux (13) soumis à l'action du ressort (14) de poussoir est associé au piston (12) à course mobile guidé dans un trou cylindrique (19) d'une section d'arbre (20) qui délimite un espace de travail (21) de la pompe relié à une soupape d'aspiration (22) et une soupape haute pression (23). Un assemblage d'entraînement entre le piston creux (13) et l'excentrique (6) comprend une bague de roulement (9) logée de manière rotative sur l'excentrique (6), sur laquelle est appuyée à force la plaque de glissement (18) du piston creux (13).
EP11754404.9A 2010-10-15 2011-09-07 Pompe haute pression pour un dispositif d'injection de carburant Not-in-force EP2627903B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010042484 DE102010042484A1 (de) 2010-10-15 2010-10-15 Hochdruckpumpe für eine Kraftstoffeinspritzvorrichtung
PCT/EP2011/065472 WO2012048961A1 (fr) 2010-10-15 2011-09-07 Pompe haute pression pour un dispositif d'injection de carburant

Publications (2)

Publication Number Publication Date
EP2627903A1 true EP2627903A1 (fr) 2013-08-21
EP2627903B1 EP2627903B1 (fr) 2016-07-13

Family

ID=44583058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11754404.9A Not-in-force EP2627903B1 (fr) 2010-10-15 2011-09-07 Pompe haute pression pour un dispositif d'injection de carburant

Country Status (4)

Country Link
EP (1) EP2627903B1 (fr)
CN (1) CN103154512B (fr)
DE (1) DE102010042484A1 (fr)
WO (1) WO2012048961A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107110092B (zh) * 2014-12-24 2020-05-05 罗伯特·博世有限公司 用于将燃料、优选柴油供送至内燃机的泵单元
DE102015111025A1 (de) 2015-07-08 2017-01-12 Volkswagen Ag Selbstgeschmierte Hochdruckpumpe
DE102016203768B4 (de) * 2015-11-12 2017-10-26 Robert Bosch Gmbh Pumpe, insbesondere Hochdruckpumpe eines Kraftstoffeinspritzsystems, mit einem Montageverbund von Stößel-Baugruppe und Pumpenzylinderkopf, insbesondere durch eine Rastverbindung zwischen Federteller und Stößelkörper
CN107939628B (zh) * 2017-12-26 2023-07-18 浙江三浪润滑科技有限公司 一种多头径向柱塞泵及其使用方法
DE102018120777A1 (de) * 2018-08-24 2020-02-27 Volkswagen Aktiengesellschaft Hochdruckpumpe umfassend eine Druckumlaufschmierung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315826C5 (de) * 1993-05-12 2012-04-05 Continental Teves Ag & Co. Ohg Motor-Pumpen-Aggregat
JPH09303252A (ja) * 1996-05-13 1997-11-25 Nissan Motor Co Ltd 油圧ポンプ装置
IT1289796B1 (it) * 1996-12-23 1998-10-16 Elasis Sistema Ricerca Fiat Perfezionamenti ad un dispositivo a pompa per l'alimentazione del carburante da un serbatoio ad un motore a combustione interna.
DE19907311A1 (de) 1999-02-22 2000-08-31 Bosch Gmbh Robert Hydraulikpumpeneinheit
WO2003014569A1 (fr) * 2001-08-08 2003-02-20 Crt Common Rail Technologies Ag Pompe d'alimentation haute pression
DE10157076A1 (de) 2001-11-21 2003-05-28 Bosch Gmbh Robert Stößelkolben
DE10158768B4 (de) * 2001-11-29 2012-10-25 Schaeffler Technologies AG & Co. KG Radialkolbenpumpe
WO2006037676A1 (fr) * 2004-10-06 2006-04-13 Siemens Aktiengesellschaft Pompe a piston radial et poussoir a galet
DE102006041673A1 (de) * 2006-02-20 2007-08-23 Robert Bosch Gmbh Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
DE102006043187B3 (de) * 2006-09-14 2008-04-03 Siemens Ag Fluidpumpe, insbesondere Hochdruck-Kraftstoffpumpe für Einspritzsysteme von Brennkraftmaschinen
DE102006060680A1 (de) * 2006-12-21 2008-06-26 Schaeffler Kg Wälzlager für eine Radial-Kolbenpumpe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012048961A1 *

Also Published As

Publication number Publication date
CN103154512B (zh) 2017-03-01
WO2012048961A1 (fr) 2012-04-19
EP2627903B1 (fr) 2016-07-13
DE102010042484A1 (de) 2012-04-19
CN103154512A (zh) 2013-06-12

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