EP3014107A1 - Dispositif de pompage, notamment dispositif de pompage de carburant sous haute pression pour un système d'injection de carburant - Google Patents

Dispositif de pompage, notamment dispositif de pompage de carburant sous haute pression pour un système d'injection de carburant

Info

Publication number
EP3014107A1
EP3014107A1 EP14720621.3A EP14720621A EP3014107A1 EP 3014107 A1 EP3014107 A1 EP 3014107A1 EP 14720621 A EP14720621 A EP 14720621A EP 3014107 A1 EP3014107 A1 EP 3014107A1
Authority
EP
European Patent Office
Prior art keywords
drive shaft
eccentric
cam
plunger
outer contour
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
EP14720621.3A
Other languages
German (de)
English (en)
Other versions
EP3014107B1 (fr
Inventor
Andreas Dutt
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 EP3014107A1 publication Critical patent/EP3014107A1/fr
Application granted granted Critical
Publication of EP3014107B1 publication Critical patent/EP3014107B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
    • 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
    • F02M59/04—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
    • F02M59/06—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
    • 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
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/18—Lubricating
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F02M63/0265—Pumps feeding common rails

Landscapes

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

Abstract

L'invention concerne un dispositif de pompage, notamment un dispositif de pompage de carburant sous haute pression, qui possède au moins un élément de pompage (10) doté d'un piston de pompe (12) qui est entraîné dans un mouvement d'excursion par un arbre d'entraînement (14) par le biais d'un coulisseau (18). L'arbre d'entraînement (14) possède au moins une came (16) ou un excentrique sur lequel le coulisseau (18) s'appuie au moins indirectement. L'arbre d'entraînement (14) est monté pivotant par le biais d'au moins un point appui (60). Un fluide lubrifiant est acheminé audit au moins un point d'appui (60), dont il déborde vers ladite came (16) ou ledit excentrique. L'arbre d'entraînement (14) possède entre ledit point d'appui (60) et ladite came (16) ou ledit excentrique un contour extérieur (66) dont le diamètre augmente depuis ledit point appui (60) vers ladite came (16) ou ledit excentrique et qui, vu dans la direction de l'axe de rotation (15), se termine dans la zone du coulisseau (18). Le contour extérieur (66) permet d'acheminer du fluide lubrifiant au coulisseau (18) de manière ciblée.
EP14720621.3A 2013-06-25 2014-04-30 Dispositif de pompage, notamment dispositif de pompage de carburant sous haute pression pour un système d'injection de carburant Active EP3014107B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013212047.8A DE102013212047A1 (de) 2013-06-25 2013-06-25 Pumpvorrichtung, insbesondere Kraftstoffhochdruckpumpvorrichtung für eine Kraftstoffeinspritzeinrichtung
PCT/EP2014/058926 WO2014206609A1 (fr) 2013-06-25 2014-04-30 Dispositif de pompage, notamment dispositif de pompage de carburant sous haute pression pour un système d'injection de carburant

Publications (2)

Publication Number Publication Date
EP3014107A1 true EP3014107A1 (fr) 2016-05-04
EP3014107B1 EP3014107B1 (fr) 2017-04-12

Family

ID=50628833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14720621.3A Active EP3014107B1 (fr) 2013-06-25 2014-04-30 Dispositif de pompage, notamment dispositif de pompage de carburant sous haute pression pour un système d'injection de carburant

Country Status (4)

Country Link
EP (1) EP3014107B1 (fr)
CN (1) CN105358819B (fr)
DE (1) DE102013212047A1 (fr)
WO (1) WO2014206609A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2543354A (en) * 2015-10-16 2017-04-19 Gm Global Tech Operations Llc Roller tappet for a fuel unit pump of an internal combustion engine
US10677119B2 (en) 2016-03-01 2020-06-09 Cummins Inc. Systems and methods for reducing the oil volume and windage in fuel pumps
DE102016208581A1 (de) * 2016-05-19 2017-11-23 Robert Bosch Gmbh Kraftstoffhochdruckpumpe

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804275A1 (de) * 1998-02-04 1999-08-12 Bosch Gmbh Robert Radialkolbenpumpe zur Kraftstoffhochdruckversorgung
JP3633314B2 (ja) * 1998-10-14 2005-03-30 三菱電機株式会社 高圧燃料ポンプ装置
US6722864B2 (en) * 2001-12-12 2004-04-20 Denso Corporation Fuel injection pump
DE10256528A1 (de) 2002-12-04 2004-06-24 Robert Bosch Gmbh Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine
DE102006028851A1 (de) * 2006-06-23 2007-12-27 Schaeffler Kg Kolbenpumpe
DE102007029416A1 (de) * 2007-06-26 2009-01-08 Robert Bosch Gmbh Kraftstoffhochdruckpumpenvorrichtung für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine und Brennkraftmaschine mit Kraftstoffhochdruckpumpenvorrichtung
KR101091402B1 (ko) * 2008-11-17 2011-12-07 현대자동차주식회사 자동차용 고압연료펌프장치
JP5320079B2 (ja) * 2009-01-06 2013-10-23 ヤンマー株式会社 燃料噴射ポンプ
DE102009000766A1 (de) * 2009-02-11 2010-08-12 Robert Bosch Gmbh Kraftstoffhochdruckpumpe mit Rollenstößel
DE102010027792A1 (de) * 2010-04-15 2011-10-20 Robert Bosch Gmbh Hochdruckpumpe
CN101922320A (zh) * 2010-09-29 2010-12-22 奇瑞汽车股份有限公司 一种汽车发动机凸轮轴
DE102011003678A1 (de) * 2011-02-07 2012-08-09 Robert Bosch Gmbh Hochdruckpumpe
KR20140019539A (ko) * 2012-08-06 2014-02-17 현대자동차주식회사 고압펌프용 롤러 구조

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014206609A1 *

Also Published As

Publication number Publication date
EP3014107B1 (fr) 2017-04-12
DE102013212047A1 (de) 2015-01-08
WO2014206609A1 (fr) 2014-12-31
CN105358819B (zh) 2019-01-01
CN105358819A (zh) 2016-02-24

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