EP2464851A1 - Pompe haute pression - Google Patents

Pompe haute pression

Info

Publication number
EP2464851A1
EP2464851A1 EP10728166A EP10728166A EP2464851A1 EP 2464851 A1 EP2464851 A1 EP 2464851A1 EP 10728166 A EP10728166 A EP 10728166A EP 10728166 A EP10728166 A EP 10728166A EP 2464851 A1 EP2464851 A1 EP 2464851A1
Authority
EP
European Patent Office
Prior art keywords
roller
pressure pump
cover
shoe
roller shoe
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
EP10728166A
Other languages
German (de)
English (en)
Other versions
EP2464851B1 (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 EP2464851A1 publication Critical patent/EP2464851A1/fr
Application granted granted Critical
Publication of EP2464851B1 publication Critical patent/EP2464851B1/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
    • 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
    • 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
    • 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
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8023—Fuel injection apparatus manufacture, repair or assembly the assembly involving use of quick-acting mechanisms, e.g. clips

Definitions

  • the invention relates to a high pressure pump for a fuel injection device of an internal combustion engine with the features of the preamble of claim 1.
  • a high pressure pump is for example from the document DE 10th
  • the pump element comprises a pump piston 1 which is supported via a roller 4 on a cam 2 of a drive shaft (not shown), so that the rotational movement of the drive shaft or of the cam 2 is transferred into a stroke movement of the piston 1.
  • the roller 4 thereby runs on the outer peripheral surface of the cam 2, wherein it moves realtiv to a roller shoe 5, in which the roller 4 is partially received.
  • the roller shoe 5 is in turn held in a plunger body 3 of the pump element.
  • Longitudinal edge 7 formed beveled.
  • the inclined surface of the chamfer mediates between the recess 6 and the end face 8, so that the formation of sharp edges is avoided. Because the chamfer encloses with the adjoining surfaces in each case an angle of significantly more than 90 °.
  • the proposed embodiment of the longitudinal edge 7 thus causes improved adhesion

Abstract

La présente invention concerne une pompe haute pression destinée à un dispositif d'injection de carburant d'un moteur à combustion interne, comprenant au moins un élément de pompe qui présente un piston de pompe (1) qui peut être entraîné suivant un mouvement alternatif par l'intermédiaire d'une came (25) ou d'une excentrique, le piston de pompe (1) prenant appui sur la came (2) ou l'excentrique de l'arbre d'entraînement indirectement par l'intermédiaire d'un corps de poussoir (3) et d'un galet (4), et le corps de poussoir (3) comprenant un patin à galet (5) dans lequel est pratiquée une ouverture (6) sensiblement partiellement cylindrique destinée à recevoir partiellement le galet (4). Selon l'invention, l'ouverture sensiblement (6) partiellement cylindrique du patin à galet (5) forme des arêtes longitudinales (7) avec une face frontale (8) du patin à galet (5), lesdites arêtes étant arrondies ou chanfreinées pour recevoir un revêtement (9) qui s'étend à partir de l'ouverture (6) jusque sur les arêtes longitudinales (7).
EP10728166.9A 2009-08-10 2010-06-21 Pompe haute pression Not-in-force EP2464851B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910028378 DE102009028378A1 (de) 2009-08-10 2009-08-10 Hochdruckpumpe
PCT/EP2010/058717 WO2011018259A1 (fr) 2009-08-10 2010-06-21 Pompe haute pression

Publications (2)

Publication Number Publication Date
EP2464851A1 true EP2464851A1 (fr) 2012-06-20
EP2464851B1 EP2464851B1 (fr) 2013-09-11

Family

ID=42647486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10728166.9A Not-in-force EP2464851B1 (fr) 2009-08-10 2010-06-21 Pompe haute pression

Country Status (7)

Country Link
EP (1) EP2464851B1 (fr)
JP (1) JP5302465B2 (fr)
KR (1) KR101712688B1 (fr)
CN (1) CN102472218B (fr)
DE (1) DE102009028378A1 (fr)
RU (1) RU2541485C2 (fr)
WO (1) WO2011018259A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086703A1 (de) * 2011-11-21 2013-05-23 Robert Bosch Gmbh Hochdruckpumpe
DE102012201302A1 (de) * 2012-01-31 2013-08-01 Robert Bosch Gmbh Hochdruckpumpe
JP5895867B2 (ja) * 2013-02-07 2016-03-30 株式会社デンソー 燃料供給ポンプ
JP5812020B2 (ja) * 2013-02-07 2015-11-11 株式会社デンソー 燃料供給ポンプ
DE102014220746B3 (de) 2014-10-14 2016-02-11 Continental Automotive Gmbh Kraftstoffpumpe
DE112014007278T5 (de) * 2014-12-23 2017-10-12 Cummins Inc. Vorgehensweise zum halten einer stösselrolle
DE102016219046A1 (de) * 2016-09-30 2018-04-05 Robert Bosch Gmbh Stößelbaugruppe für eine Radialkolbenpumpe, Radialkolbenpumpe
DE102017124274B3 (de) * 2017-10-18 2018-11-08 Schaeffler Technologies AG & Co. KG Gebauter Rollenstößel
GB2593934B (en) * 2020-04-10 2022-08-03 Delphi Tech Ip Ltd Drive assembly for a fuel pump

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002295339A (ja) * 2001-03-29 2002-10-09 Denso Corp 摺動部材およびこれを用いた燃料噴射ポンプ
RU2230213C2 (ru) * 2002-08-19 2004-06-10 ОАО Ярославский завод дизельной аппаратуры Топливный насос высокого давления автомобильного дизеля
KR20050003405A (ko) * 2003-01-09 2005-01-10 가부시키가이샤 봇슈오토모티브시스템 연료 공급용 펌프
JP2004324535A (ja) * 2003-04-24 2004-11-18 Bosch Automotive Systems Corp 燃料供給用ポンプおよびタペット構造体
DE10326863A1 (de) * 2003-06-14 2004-12-30 Daimlerchrysler Ag Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen
DE10326880A1 (de) * 2003-06-14 2004-12-30 Daimlerchrysler Ag Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen
DE10345061A1 (de) * 2003-09-26 2005-04-14 Robert Bosch Gmbh Stößelbaugruppe für eine Hochdruckpumpe und Hochdruckpumpe mit wenigstens einer Stößelbaugruppe
DE10355028A1 (de) * 2003-11-25 2005-06-23 Robert Bosch Gmbh Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
ATE463670T1 (de) * 2004-01-14 2010-04-15 Bosch Corp Kraftstoffzufuhrpumpe
JP4467469B2 (ja) * 2005-06-08 2010-05-26 ボッシュ株式会社 燃料供給用ポンプ及びタペット構造体
DE102005042598B4 (de) 2005-09-07 2008-10-16 Ab Skf Stößel
RU2299351C1 (ru) * 2005-11-21 2007-05-20 Рязанский военный автомобильный институт им. ген. армии В.П. Дубынина Способ определения угла начала нагнетания топлива секцией топливного насоса высокого давления
DE102006041673A1 (de) 2006-02-20 2007-08-23 Robert Bosch Gmbh Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011018259A1 *

Also Published As

Publication number Publication date
JP5302465B2 (ja) 2013-10-02
CN102472218B (zh) 2014-11-26
KR101712688B1 (ko) 2017-03-22
RU2541485C2 (ru) 2015-02-20
DE102009028378A1 (de) 2011-02-17
KR20120052294A (ko) 2012-05-23
JP2013501875A (ja) 2013-01-17
WO2011018259A1 (fr) 2011-02-17
CN102472218A (zh) 2012-05-23
EP2464851B1 (fr) 2013-09-11
RU2012108433A (ru) 2013-10-20

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