RU2012108436A - HIGH PRESSURE PUMP - Google Patents

HIGH PRESSURE PUMP Download PDF

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Publication number
RU2012108436A
RU2012108436A RU2012108436/06A RU2012108436A RU2012108436A RU 2012108436 A RU2012108436 A RU 2012108436A RU 2012108436/06 A RU2012108436/06 A RU 2012108436/06A RU 2012108436 A RU2012108436 A RU 2012108436A RU 2012108436 A RU2012108436 A RU 2012108436A
Authority
RU
Russia
Prior art keywords
support roller
pressure pump
pump according
central hole
plunger
Prior art date
Application number
RU2012108436/06A
Other languages
Russian (ru)
Other versions
RU2555062C2 (en
Inventor
Фридрих БЁККИНГ
Original Assignee
Роберт Бош Гмбх
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 Роберт Бош Гмбх filed Critical Роберт Бош Гмбх
Publication of RU2012108436A publication Critical patent/RU2012108436A/en
Application granted granted Critical
Publication of RU2555062C2 publication Critical patent/RU2555062C2/en

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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
    • F02M59/44—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
    • F02M59/02—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
    • 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

Landscapes

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

Abstract

1. Насос высокого давления для устройства впрыскивания топлива в двигатель внутреннего сгорания, имеющий по меньшей мере одну плунжерную пару с плунжером (1), приводимым кулачком (2) или эксцентриком приводного вала в возвратно-поступательное движение и опирающимся опосредованно через толкатель (3) и опорный ролик (4) на кулачок (2) или эксцентрик приводного вала, отличающийся тем, что опорный ролик (4) имеет по меньшей мере одно центральное отверстие (5), которое проходит вдоль продольной оси (A) опорного ролика (4) и которое для образования внутреннего контура имеет по меньшей мере один конический, сферический и/или эллипсоидальный участок (a).2. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) представляет собой глухое отверстие, проходящее внутрь опорного ролика (4) от его торцевой поверхности (6, 6').3. Насос высокого давления по п.1, отличающийся тем, что диаметр центрального отверстия (5) увеличивается изнутри наружу, а жесткость опорного ролика (4) поэтому снижается в направлении его торцевой поверхности (6, 6').4. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) выполнено вращательно-симметричным относительно продольной оси (А) опорного ролика (4).5. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) имеет цилиндрический участок (b).6. Насос высокого давления по одному из пп.1-5, отличающийся тем, что торцевые поверхности (6, 6') на по меньшей мере отдельном их участке выполнены выпуклыми и/или коническими.7. Насос высокого давления по одному из пп.1-5, отличающийся тем, что опорный ролик (4) по меньшей мере частично установлен в толкателе (3), который при э1. A high-pressure pump for a device for injecting fuel into an internal combustion engine, having at least one plunger pair with a plunger (1) driven by a cam (2) or an eccentric of the drive shaft in reciprocating motion and supported indirectly through a pusher (3) and a support roller (4) on the cam (2) or an eccentric of the drive shaft, characterized in that the support roller (4) has at least one central hole (5) that runs along the longitudinal axis (A) of the support roller (4) and which to form the inner contour has at least one conical, spherical and / or ellipsoidal section (a). 2. The high-pressure pump according to claim 1, characterized in that the central hole (5) is a blind hole extending inside the support roller (4) from its end surface (6, 6 '). A high-pressure pump according to claim 1, characterized in that the diameter of the central hole (5) increases from the inside out, and the rigidity of the support roller (4) therefore decreases in the direction of its end surface (6, 6 '). The high-pressure pump according to claim 1, characterized in that the central hole (5) is rotationally symmetric with respect to the longitudinal axis (A) of the support roller (4). A high-pressure pump according to claim 1, characterized in that the central opening (5) has a cylindrical section (b). A high-pressure pump according to one of claims 1 to 5, characterized in that the end surfaces (6, 6 ') are convex and / or conical in at least some of their sections. A high-pressure pump according to one of claims 1-5, characterized in that the support roller (4) is at least partially installed in the pusher (3), which, when e

Claims (7)

1. Насос высокого давления для устройства впрыскивания топлива в двигатель внутреннего сгорания, имеющий по меньшей мере одну плунжерную пару с плунжером (1), приводимым кулачком (2) или эксцентриком приводного вала в возвратно-поступательное движение и опирающимся опосредованно через толкатель (3) и опорный ролик (4) на кулачок (2) или эксцентрик приводного вала, отличающийся тем, что опорный ролик (4) имеет по меньшей мере одно центральное отверстие (5), которое проходит вдоль продольной оси (A) опорного ролика (4) и которое для образования внутреннего контура имеет по меньшей мере один конический, сферический и/или эллипсоидальный участок (a).1. A high pressure pump for injecting fuel into an internal combustion engine having at least one plunger pair with a plunger (1) driven by a cam (2) or a drive shaft eccentric in reciprocating motion and supported indirectly through a plunger (3) and a support roller (4) to a cam (2) or an eccentric drive shaft, characterized in that the support roller (4) has at least one central hole (5) that extends along the longitudinal axis (A) of the support roller (4) and which for education inside circuit it has at least one conical, spherical and / or ellipsoidal portion (a). 2. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) представляет собой глухое отверстие, проходящее внутрь опорного ролика (4) от его торцевой поверхности (6, 6').2. The high-pressure pump according to claim 1, characterized in that the central hole (5) is a blind hole extending into the support roller (4) from its end surface (6, 6 '). 3. Насос высокого давления по п.1, отличающийся тем, что диаметр центрального отверстия (5) увеличивается изнутри наружу, а жесткость опорного ролика (4) поэтому снижается в направлении его торцевой поверхности (6, 6').3. The high-pressure pump according to claim 1, characterized in that the diameter of the Central hole (5) increases from the inside out, and the stiffness of the support roller (4) therefore decreases in the direction of its end surface (6, 6 '). 4. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) выполнено вращательно-симметричным относительно продольной оси (А) опорного ролика (4).4. The high-pressure pump according to claim 1, characterized in that the Central hole (5) is made rotationally symmetrical with respect to the longitudinal axis (A) of the support roller (4). 5. Насос высокого давления по п.1, отличающийся тем, что центральное отверстие (5) имеет цилиндрический участок (b).5. The high-pressure pump according to claim 1, characterized in that the Central hole (5) has a cylindrical section (b). 6. Насос высокого давления по одному из пп.1-5, отличающийся тем, что торцевые поверхности (6, 6') на по меньшей мере отдельном их участке выполнены выпуклыми и/или коническими.6. The high-pressure pump according to one of claims 1 to 5, characterized in that the end surfaces (6, 6 ') in at least a separate section thereof are made convex and / or conical. 7. Насос высокого давления по одному из пп.1-5, отличающийся тем, что опорный ролик (4) по меньшей мере частично установлен в толкателе (3), который при этом в зоне его гнезда, в котором установлен опорный ролик, предпочтительно выполнен в виде полого цилиндра, вследствие чего торцевые поверхности (6, 6') опорного ролика (4) по меньшей мере частично прилегают к внутренней боковой поверхности (7) толкателя (3). 7. The high-pressure pump according to one of claims 1 to 5, characterized in that the support roller (4) is at least partially installed in the pusher (3), which is preferably made in the area of its socket in which the support roller is installed in the form of a hollow cylinder, as a result of which the end surfaces (6, 6 ') of the support roller (4) are at least partially adjacent to the inner side surface (7) of the pusher (3).
RU2012108436/06A 2009-08-10 2010-06-22 High-pressure fuel pump RU2555062C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009028373A DE102009028373A1 (en) 2009-08-10 2009-08-10 high pressure pump
DE102009028373.0 2009-08-10
PCT/EP2010/058765 WO2011018260A1 (en) 2009-08-10 2010-06-22 High-pressure pump

Publications (2)

Publication Number Publication Date
RU2012108436A true RU2012108436A (en) 2013-10-20
RU2555062C2 RU2555062C2 (en) 2015-07-10

Family

ID=42710733

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012108436/06A RU2555062C2 (en) 2009-08-10 2010-06-22 High-pressure fuel pump

Country Status (7)

Country Link
EP (1) EP2464853B1 (en)
JP (1) JP2013501876A (en)
KR (1) KR20120069659A (en)
CN (1) CN102472221A (en)
DE (1) DE102009028373A1 (en)
RU (1) RU2555062C2 (en)
WO (1) WO2011018260A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032056B4 (en) * 2010-07-23 2019-11-28 Robert Bosch Gmbh piston unit
US9835123B2 (en) * 2015-01-13 2017-12-05 Roller Bearing Company Of America, Inc. Roller for a fuel pump actuator
KR101730993B1 (en) * 2016-01-27 2017-04-27 주식회사 트리보테크 Plunger pump

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
CS212800B2 (en) 1976-07-15 1982-03-26 Ivan J Cyphelly Delivery apparatus with hydrostatic torque transfer by cylindrical pistons
JPS56131021U (en) * 1980-03-07 1981-10-05
RU2032106C1 (en) * 1992-01-22 1995-03-27 Рамазан Сабеевич Цаголов Internal combustion engine with water supply to working fluid
RU2079695C1 (en) * 1994-06-22 1997-05-20 Михаил Григорьевич Сандомирский Fuel pump
IT1279049B1 (en) * 1995-10-27 1997-12-04 Eaton Automotive Spa DIRECT ACTING MECHANICAL PUNTER EQUIPPED WITH A ROLL FOR CONTACT WITH THE CAM OF THE CAMSHAFT OF AN INTERNAL COMBUSTION ENGINE
CN2560786Y (en) * 2002-08-10 2003-07-16 大连铁道学院 Deep-hole hollow roller bearing
DE10337847A1 (en) * 2003-08-18 2005-03-17 Robert Bosch Gmbh Pump arrangement with a high-pressure pump and a low-pressure pump upstream of this for a fuel injection device of an internal combustion engine
US7311087B2 (en) * 2004-11-23 2007-12-25 Cummins Inc. Fuel pump with a guided tappet assembly and methods for guiding and assembly
JP2007198518A (en) * 2006-01-27 2007-08-09 Ntn Corp Roller and roller bearing
DE102006041673A1 (en) * 2006-02-20 2007-08-23 Robert Bosch Gmbh High pressure pump especially for fuel injection in IC engine has the cam follower supported axially by hardened low wear surfaces
DE102006019228A1 (en) * 2006-04-26 2007-10-31 Schaeffler Kg Radial rolling bearing, in particular single row ball roller bearing, and method for its assembly
DE102006045933A1 (en) * 2006-09-28 2008-04-03 Robert Bosch Gmbh Plunger assembly for a high pressure pump and high pressure pump with at least one plunger assembly
JP2008133851A (en) * 2006-11-27 2008-06-12 Ntn Corp Roller bearing
JP2009058033A (en) * 2007-08-31 2009-03-19 Jtekt Corp Roller
CN201103619Y (en) * 2007-10-22 2008-08-20 中机洛阳轴承科技有限公司 Hollow roller for extra-large size bearing

Also Published As

Publication number Publication date
KR20120069659A (en) 2012-06-28
JP2013501876A (en) 2013-01-17
DE102009028373A1 (en) 2011-02-17
EP2464853A1 (en) 2012-06-20
EP2464853B1 (en) 2014-01-01
CN102472221A (en) 2012-05-23
WO2011018260A1 (en) 2011-02-17
RU2555062C2 (en) 2015-07-10

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20180623