RU2012147919A - HIGH PRESSURE PUMP - Google Patents

HIGH PRESSURE PUMP Download PDF

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Publication number
RU2012147919A
RU2012147919A RU2012147919/06A RU2012147919A RU2012147919A RU 2012147919 A RU2012147919 A RU 2012147919A RU 2012147919/06 A RU2012147919/06 A RU 2012147919/06A RU 2012147919 A RU2012147919 A RU 2012147919A RU 2012147919 A RU2012147919 A RU 2012147919A
Authority
RU
Russia
Prior art keywords
pressure pump
pump according
high pressure
cam
corrosion
Prior art date
Application number
RU2012147919/06A
Other languages
Russian (ru)
Other versions
RU2567529C2 (en
Inventor
МАЙЕР Герхард
РЕППХУН Гернот
МАЙ Ульрих
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 RU2012147919A publication Critical patent/RU2012147919A/en
Application granted granted Critical
Publication of RU2567529C2 publication Critical patent/RU2567529C2/en

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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
    • F02M59/02—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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • F02M59/445—Selection of particular materials
    • 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
    • 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
    • F02M2200/9038—Coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

1. Насос (1) высокого давления, прежде всего радиально-поршневой или рядный поршневой насос для систем впрыскивания топлива в двигатели внутреннего сгорания с самовоспламенением от сжатия, имеющий по меньшей мере один насосный узел (6) и один приводной вал (7) с по меньшей мере одним кулачком (10), функционально связанным с насосным узлом (6), который имеет перекатывающийся по рабочей поверхности (34) кулачка (10) опорный ролик (31) и опорный башмак (30), в котором установлен опорный ролик (31), отличающийся тем, что на опорном ролике (31), и/или на опорном башмаке (30), и/или на кулачке (10) предусмотрено по меньшей мере по одному коррозионно-защитному слою, который выполнен в виде пассивирующего слоя.2. Насос высокого давления по п.1, отличающийся тем, что по меньшей мере один коррозионно-защитный слой образован путем приповерхностного изменения состава материала.3. Насос высокого давления по п.2, отличающийся тем, что приповерхностное изменение состава материала реализовано путем ионной имплантации, лазерного наплавления или термического напыления.4. Насос высокого давления по п.1, отличающийся тем, что средняя толщина пассивирующего слоя составляет менее 1 мкм.5. Насос высокого давления по п.1, отличающийся тем, что пассивирующий слой образован путем плазменного осаждения, электролитического осаждения или ионно-плазменного распыления.6. Насос высокого давления по одному из пп.2-5, отличающийся тем, что коррозионно-защитный слой содержит никель и/или хром в качестве добавки.7. Насос высокого давления по п.1, отличающийся тем, что по меньшей мере один коррозионно-защитный слой выполнен в виде протекторного слоя.8. Насос высокого давления п1. A high pressure pump (1), primarily a radial piston or in-line piston pump for systems for injecting fuel into compression-ignition internal combustion engines, having at least one pump assembly (6) and one drive shaft (7) with at least one cam (10) functionally connected to the pump assembly (6), which has a support roller (31) rolling on the cam surface (34) of the cam (10) and a support shoe (30) in which the support roller (31) is mounted characterized in that on the support roller (31) and / or on the support tower at least one corrosion-protective layer is provided on the poppy (30), and / or on the cam (10), which is made in the form of a passivating layer. 2. The high pressure pump according to claim 1, characterized in that at least one corrosion-protective layer is formed by a surface change in the composition of the material. The high pressure pump according to claim 2, characterized in that the near-surface change in the composition of the material is realized by ion implantation, laser deposition, or thermal spraying. The high pressure pump according to claim 1, characterized in that the average thickness of the passivating layer is less than 1 μm. The high pressure pump according to claim 1, characterized in that the passivating layer is formed by plasma deposition, electrolytic deposition or ion-plasma spraying. A high pressure pump according to one of claims 2 to 5, characterized in that the corrosion-protective layer contains nickel and / or chromium as an additive. The high pressure pump according to claim 1, characterized in that at least one corrosion-protective layer is made in the form of a tread layer. High pressure pump

Claims (9)

1. Насос (1) высокого давления, прежде всего радиально-поршневой или рядный поршневой насос для систем впрыскивания топлива в двигатели внутреннего сгорания с самовоспламенением от сжатия, имеющий по меньшей мере один насосный узел (6) и один приводной вал (7) с по меньшей мере одним кулачком (10), функционально связанным с насосным узлом (6), который имеет перекатывающийся по рабочей поверхности (34) кулачка (10) опорный ролик (31) и опорный башмак (30), в котором установлен опорный ролик (31), отличающийся тем, что на опорном ролике (31), и/или на опорном башмаке (30), и/или на кулачке (10) предусмотрено по меньшей мере по одному коррозионно-защитному слою, который выполнен в виде пассивирующего слоя.1. A high pressure pump (1), primarily a radial piston or in-line piston pump for systems for injecting fuel into compression-ignition internal combustion engines, having at least one pump assembly (6) and one drive shaft (7) with at least one cam (10) functionally connected to the pump assembly (6), which has a support roller (31) rolling on the cam surface (34) of the cam (10) and a support shoe (30) in which the support roller (31) is mounted characterized in that on the support roller (31) and / or on the support tower the poppy (30) and / or on the cam (10) is provided with at least one corrosion-protective layer, which is made in the form of a passivating layer. 2. Насос высокого давления по п.1, отличающийся тем, что по меньшей мере один коррозионно-защитный слой образован путем приповерхностного изменения состава материала.2. The high-pressure pump according to claim 1, characterized in that at least one corrosion-protective layer is formed by a surface change in the composition of the material. 3. Насос высокого давления по п.2, отличающийся тем, что приповерхностное изменение состава материала реализовано путем ионной имплантации, лазерного наплавления или термического напыления.3. The high-pressure pump according to claim 2, characterized in that the near-surface change in the composition of the material is realized by ion implantation, laser deposition, or thermal spraying. 4. Насос высокого давления по п.1, отличающийся тем, что средняя толщина пассивирующего слоя составляет менее 1 мкм.4. The high pressure pump according to claim 1, characterized in that the average thickness of the passivating layer is less than 1 μm. 5. Насос высокого давления по п.1, отличающийся тем, что пассивирующий слой образован путем плазменного осаждения, электролитического осаждения или ионно-плазменного распыления.5. The high-pressure pump according to claim 1, characterized in that the passivating layer is formed by plasma deposition, electrolytic deposition or ion-plasma spraying. 6. Насос высокого давления по одному из пп.2-5, отличающийся тем, что коррозионно-защитный слой содержит никель и/или хром в качестве добавки.6. The high-pressure pump according to one of claims 2 to 5, characterized in that the corrosion-protective layer contains nickel and / or chromium as an additive. 7. Насос высокого давления по п.1, отличающийся тем, что по меньшей мере один коррозионно-защитный слой выполнен в виде протекторного слоя.7. The high-pressure pump according to claim 1, characterized in that at least one corrosion-protective layer is made in the form of a tread layer. 8. Насос высокого давления по п.7, отличающийся тем, что протекторный слой имеет в качестве протекторного материала цинк.8. The high pressure pump according to claim 7, characterized in that the tread layer has zinc as a tread material. 9. Насос высокого давления по п.7 или 8, отличающийся тем, что протекторный слой нанесен на торцевую сторону (35, 36) опорного ролика (31), на боковую поверхность (11, 12) кулачка (10), на боковую поверхность (46, 47) опорного башмака (30) или в зоне его цилиндрической охватывающей части (44). 9. A high pressure pump according to claim 7 or 8, characterized in that the tread layer is applied to the end side (35, 36) of the support roller (31), to the side surface (11, 12) of the cam (10), to the side surface ( 46, 47) of the support shoe (30) or in the area of its cylindrical female part (44).
RU2012147919/06A 2010-04-13 2011-03-02 High pressure pump RU2567529C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010003886A DE102010003886A1 (en) 2010-04-13 2010-04-13 high pressure pump
DE102010003886.5 2010-04-13
PCT/EP2011/053095 WO2011128149A1 (en) 2010-04-13 2011-03-02 High-pressure pump

Publications (2)

Publication Number Publication Date
RU2012147919A true RU2012147919A (en) 2014-06-10
RU2567529C2 RU2567529C2 (en) 2015-11-10

Family

ID=44063970

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012147919/06A RU2567529C2 (en) 2010-04-13 2011-03-02 High pressure pump

Country Status (5)

Country Link
EP (1) EP2558706A1 (en)
CN (1) CN102859177B (en)
DE (1) DE102010003886A1 (en)
RU (1) RU2567529C2 (en)
WO (1) WO2011128149A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011077535A1 (en) * 2011-06-15 2012-12-20 Robert Bosch Gmbh Pump, in particular high-pressure fuel pump
DE102012224269A1 (en) * 2012-12-21 2014-06-26 Robert Bosch Gmbh Component of a fuel injection system
DE102013212302A1 (en) * 2013-06-26 2014-12-31 Robert Bosch Gmbh High pressure pump and fuel injection system with a high pressure pump
DE102016220610A1 (en) * 2016-10-20 2018-04-26 Robert Bosch Gmbh High pressure pump for a fuel injection system
DE102021124730A1 (en) 2021-08-10 2023-02-16 aqdisol GmbH Method and system for operating diesel engines with diesel fuel or a diesel fuel-water emulsion
WO2023016984A2 (en) 2021-08-10 2023-02-16 aqdisol GmbH Method for the switching or alternating operation of diesel engines with diesel fuel or a diesel-fuel-and-water emulsion

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SU1753021A1 (en) * 1989-06-28 1992-08-07 Научно-Производственное Объединение "Машпроект" Axial-plunger pump support
US6213075B1 (en) * 1999-06-10 2001-04-10 Caterpillar Inc. Roller follower assembly for an internal combustion engine
JP3924999B2 (en) * 1999-08-12 2007-06-06 株式会社日立製作所 Fuel pump and in-cylinder injection engine using the same
JP2002295339A (en) * 2001-03-29 2002-10-09 Denso Corp Sliding member and fuel injection pump using this
JP2003148294A (en) * 2001-11-12 2003-05-21 Hitachi Ltd Fuel pump and cylinder injection engine
RU2230213C2 (en) * 2002-08-19 2004-06-10 ОАО Ярославский завод дизельной аппаратуры Automobile diesel engine high-pressure fuel-injection pump
DE102004043550B4 (en) * 2004-09-09 2012-02-16 Schaeffler Technologies Gmbh & Co. Kg Wear resistant coating, its use and method of making the same
DE102005046670A1 (en) 2005-09-29 2007-04-05 Robert Bosch Gmbh High pressure pump for fuel injection device of internal combustion engine, has ball indirectly fixed in part of base plate in tangential direction to tappet and engaged in groove approximately radial to longitudinal axis of tappet
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
ITPD20060290A1 (en) * 2006-07-20 2008-01-21 Movendi S R L BIO-COMBUSTIBLE PLANT, PARTICULARLY FOR THE PRODUCTION OF ELECTRICITY AND COGENERATION
DE102007012705A1 (en) * 2007-03-16 2008-09-18 Robert Bosch Gmbh High-pressure pump for conveying fuel with a torsion-decoupled compression spring element in the plunger device
DE102009001314A1 (en) * 2009-03-04 2010-09-09 Robert Bosch Gmbh Drive for high-pressure pump i.e. fuel injection pump, of internal-combustion engine in motor vehicle, has roller cooperating with cam, where roller is rotatably supported in edge-open recess of roller shoe

Also Published As

Publication number Publication date
DE102010003886A1 (en) 2011-10-13
CN102859177A (en) 2013-01-02
WO2011128149A1 (en) 2011-10-20
CN102859177B (en) 2015-12-02
EP2558706A1 (en) 2013-02-20
RU2567529C2 (en) 2015-11-10

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

Effective date: 20190303