RU2012135569A - HIGH PRESSURE PUMP - Google Patents

HIGH PRESSURE PUMP Download PDF

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Publication number
RU2012135569A
RU2012135569A RU2012135569/06A RU2012135569A RU2012135569A RU 2012135569 A RU2012135569 A RU 2012135569A RU 2012135569/06 A RU2012135569/06 A RU 2012135569/06A RU 2012135569 A RU2012135569 A RU 2012135569A RU 2012135569 A RU2012135569 A RU 2012135569A
Authority
RU
Russia
Prior art keywords
pressure pump
plunger
recess
high pressure
around
Prior art date
Application number
RU2012135569/06A
Other languages
Russian (ru)
Inventor
Эберхард МАЙЕР
Маркус ГРИБ
Франк ШОЛЬЦ
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 RU2012135569A publication Critical patent/RU2012135569A/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
    • 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
    • F02M59/44—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
    • 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
    • F04B1/0408—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
    • 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
    • F04B1/0421—Cylinders

Landscapes

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

Abstract

1. Насос (1) высокого давления для устройства впрыскивания топлива в двигатель внутреннего сгорания, имеющий по меньшей мере одну плунжерную пару (4) с плунжером (5), расположенным в рабочей камере (11) насоса и опосредованно приводимым при вращении приводного вала (3) в возвратно-поступательное движение в основном в радиальном направлении относительно оси (7) вращения приводного вала (3), отличающийся тем, что в рабочей камере (11) образовано эксцентричное мертвое пространство (27) вокруг плунжера (5).2. Насос (1) высокого давления по п.1, отличающийся тем, что плунжерная пара (4) выполнена в головке (8) цилиндра насоса (1) высокого давления.3. Насос (1) высокого давления по п.1, отличающийся тем, что в головке (8) цилиндра на уровне верхней мертвой точки плунжера (5) предусмотрена выточка (28) вокруг него.4. Насос (1) высокого давления по п.3, отличающийся тем, что выточка (28) выполнена эксцентрично вокруг плунжера (5).5. Насос (1) высокого давления по п.1, отличающийся тем, что рабочая камера (11) соединена с топливоотводящим каналом (14), по которому из насоса (1) высокого давления отводится находящееся под высоким давлением топливо.6. Насос (1) высокого давления по одному из п.п.3-5, отличающийся тем, что выточка (28) вокруг плунжера (5) выполнена с таким эксцентриситетом, что мертвое пространство (27) диаметрально напротив топливоотводящего канала (14) уменьшено, прежде всего устранено.7. Насос (1) высокого давления по одному из п.п.3-5, отличающийся тем, что выточка (28) выполнена фрезерованием.8. Насос (1) высокого давления по п.5, отличающийся тем, что радиальная ширина (29) зазора между плунжером (5) и цилиндрическим отверстием (9) в головке (8) цилиндра в зоне топливоотв1. A high-pressure pump (1) for a device for injecting fuel into an internal combustion engine, having at least one plunger pair (4) with a plunger (5) located in the working chamber (11) of the pump and indirectly driven by the rotation of the drive shaft (3 ) in reciprocating motion mainly in the radial direction relative to the axis (7) of rotation of the drive shaft (3), characterized in that an eccentric dead space (27) is formed in the working chamber (11) around the plunger (5). 2. The high pressure pump (1) according to claim 1, characterized in that the plunger pair (4) is made in the cylinder head (8) of the high pressure pump (1). The high-pressure pump (1) according to claim 1, characterized in that in the cylinder head (8) at the level of the top dead center of the plunger (5), a recess (28) is provided around it. The high-pressure pump (1) according to claim 3, characterized in that the recess (28) is made eccentrically around the plunger (5). The high-pressure pump (1) according to claim 1, characterized in that the working chamber (11) is connected to the fuel outlet channel (14), through which high-pressure fuel is removed from the high-pressure pump (1). The high-pressure pump (1) according to one of claims 3-5, characterized in that the recess (28) around the plunger (5) is made with such an eccentricity that the dead space (27) diametrically opposite the fuel outlet channel (14) is reduced, first of all eliminated. 7. The high-pressure pump (1) according to one of claims 3-5, characterized in that the recess (28) is made by milling. 8. The high-pressure pump (1) according to claim 5, characterized in that the radial width (29) of the gap between the plunger (5) and the cylindrical hole (9) in the cylinder head (8) in the area of the fuel outlet

Claims (9)

1. Насос (1) высокого давления для устройства впрыскивания топлива в двигатель внутреннего сгорания, имеющий по меньшей мере одну плунжерную пару (4) с плунжером (5), расположенным в рабочей камере (11) насоса и опосредованно приводимым при вращении приводного вала (3) в возвратно-поступательное движение в основном в радиальном направлении относительно оси (7) вращения приводного вала (3), отличающийся тем, что в рабочей камере (11) образовано эксцентричное мертвое пространство (27) вокруг плунжера (5).1. A high pressure pump (1) for a device for injecting fuel into an internal combustion engine having at least one plunger pair (4) with a plunger (5) located in the working chamber (11) of the pump and indirectly driven by rotation of the drive shaft (3 ) in the reciprocating movement mainly in the radial direction relative to the axis of rotation (7) of the drive shaft (3), characterized in that an eccentric dead space (27) is formed around the plunger (5) in the working chamber (11). 2. Насос (1) высокого давления по п.1, отличающийся тем, что плунжерная пара (4) выполнена в головке (8) цилиндра насоса (1) высокого давления.2. The high pressure pump (1) according to claim 1, characterized in that the plunger pair (4) is made in the cylinder head (8) of the high pressure pump (1). 3. Насос (1) высокого давления по п.1, отличающийся тем, что в головке (8) цилиндра на уровне верхней мертвой точки плунжера (5) предусмотрена выточка (28) вокруг него.3. The high-pressure pump (1) according to claim 1, characterized in that a recess (28) around it is provided in the cylinder head (8) at the level of the top dead center of the plunger (5). 4. Насос (1) высокого давления по п.3, отличающийся тем, что выточка (28) выполнена эксцентрично вокруг плунжера (5).4. The high pressure pump (1) according to claim 3, characterized in that the recess (28) is eccentric around the plunger (5). 5. Насос (1) высокого давления по п.1, отличающийся тем, что рабочая камера (11) соединена с топливоотводящим каналом (14), по которому из насоса (1) высокого давления отводится находящееся под высоким давлением топливо.5. The high-pressure pump (1) according to claim 1, characterized in that the working chamber (11) is connected to a fuel exhaust channel (14), through which high-pressure fuel is removed from the high-pressure pump (1). 6. Насос (1) высокого давления по одному из п.п.3-5, отличающийся тем, что выточка (28) вокруг плунжера (5) выполнена с таким эксцентриситетом, что мертвое пространство (27) диаметрально напротив топливоотводящего канала (14) уменьшено, прежде всего устранено.6. High pressure pump (1) according to one of claims 3 to 5, characterized in that the recess (28) around the plunger (5) is made with such an eccentricity that the dead space (27) is diametrically opposite the fuel exhaust channel (14) reduced, primarily eliminated. 7. Насос (1) высокого давления по одному из п.п.3-5, отличающийся тем, что выточка (28) выполнена фрезерованием.7. High pressure pump (1) according to one of claims 3 to 5, characterized in that the recess (28) is milled. 8. Насос (1) высокого давления по п.5, отличающийся тем, что радиальная ширина (29) зазора между плунжером (5) и цилиндрическим отверстием (9) в головке (8) цилиндра в зоне топливоотводящего канала (14) достигает 0,6 мм.8. The high pressure pump (1) according to claim 5, characterized in that the radial width (29) of the gap between the plunger (5) and the cylindrical hole (9) in the cylinder head (8) in the area of the fuel exhaust channel (14) reaches 0, 6 mm. 9. Насос (1) высокого давления по п.1, отличающийся тем, что он выполнен в виде радиально-поршневого насоса. 9. The high-pressure pump (1) according to claim 1, characterized in that it is made in the form of a radial piston pump.
RU2012135569/06A 2010-01-21 2010-12-28 HIGH PRESSURE PUMP RU2012135569A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010001099A DE102010001099A1 (en) 2010-01-21 2010-01-21 high pressure pump
DE102010001099.5 2010-01-21
PCT/EP2010/070782 WO2011088954A1 (en) 2010-01-21 2010-12-28 High-pressure pump

Publications (1)

Publication Number Publication Date
RU2012135569A true RU2012135569A (en) 2014-02-27

Family

ID=43735054

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012135569/06A RU2012135569A (en) 2010-01-21 2010-12-28 HIGH PRESSURE PUMP

Country Status (6)

Country Link
EP (1) EP2526284A1 (en)
KR (1) KR20120113229A (en)
CN (1) CN102713241A (en)
DE (1) DE102010001099A1 (en)
RU (1) RU2012135569A (en)
WO (1) WO2011088954A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013216978A1 (en) * 2013-08-27 2015-03-05 Robert Bosch Gmbh High-pressure pump for a fuel injection system and method for producing a high-pressure pump for a fuel injection system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221305A1 (en) * 2002-05-14 2003-11-27 Bosch Gmbh Robert Radial piston pump for fuel injection system with improved high pressure resistance
JP3979313B2 (en) * 2003-03-14 2007-09-19 株式会社日立製作所 High pressure pump
JP4386030B2 (en) * 2005-12-02 2009-12-16 トヨタ自動車株式会社 High pressure pump
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
JP2009091955A (en) * 2007-10-05 2009-04-30 Yanmar Co Ltd Supply pump
DE102008001890A1 (en) 2008-05-21 2009-11-26 Robert Bosch Gmbh High-pressure pump i.e. radial or tandem piston pump, for fuel i.e. diesel, injection system of air compressed, self ignition internal combustion engine, has aligning element for aligning tappet body in orientation at area

Also Published As

Publication number Publication date
EP2526284A1 (en) 2012-11-28
KR20120113229A (en) 2012-10-12
DE102010001099A1 (en) 2011-07-28
WO2011088954A1 (en) 2011-07-28
CN102713241A (en) 2012-10-03

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FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20131230