DE102010063363A1 - high pressure pump - Google Patents
high pressure pump Download PDFInfo
- Publication number
- DE102010063363A1 DE102010063363A1 DE102010063363A DE102010063363A DE102010063363A1 DE 102010063363 A1 DE102010063363 A1 DE 102010063363A1 DE 102010063363 A DE102010063363 A DE 102010063363A DE 102010063363 A DE102010063363 A DE 102010063363A DE 102010063363 A1 DE102010063363 A1 DE 102010063363A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure pump
- high pressure
- drive shaft
- pump
- rotation
- 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.)
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Classifications
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- 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
- F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
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- 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
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- 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
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- 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
- F04B1/0417—Cams consisting of two or more cylindrical elements, e.g. rollers
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- 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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2307/00—Preventing the rotation of tappets
Abstract
Die Erfindung betrifft eine Hochdruckpumpe für ein Kraftstoffeinspritzsystem einer Brennkraftmaschine, wobei die Hochdruckpumpe zumindest einen Pumpenkolben aufweist, welcher durch die Drehung einer Antriebswelle um eine Drehachse herum über zumindest einen an der Antriebswelle angeordneten Nocken oder Exzenter und eine an dem Pumpenkolben angeordnete Stößelbaugruppe in einer Hubbewegung in im Wesentlichen radialer Richtung zu der Drehachse der Antriebswelle angetrieben wird, wobei die Stößelbaugruppe einen Stößelkörper und eine Laufrolle aufweist, wobei zum stabilen Ausrichten der Laufrolle auf der Antriebswelle eine Verdrehsicherung vorgesehen ist.The invention relates to a high-pressure pump for a fuel injection system of an internal combustion engine, wherein the high-pressure pump has at least one pump piston, which by rotating a drive shaft about an axis of rotation via at least one cam or eccentric arranged on the drive shaft and a tappet assembly arranged on the pump piston in a lifting movement in is driven essentially in the radial direction to the axis of rotation of the drive shaft, the tappet assembly having a tappet body and a roller, wherein a rotation lock is provided for stable alignment of the roller on the drive shaft.
Description
Die vorliegende Erfindung betrifft eine Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a high-pressure pump for a fuel injection device of an internal combustion engine according to the preamble of claim 1.
Stand der TechnikState of the art
Zum Beaufschlagen des Kraftstoffs mit Hochdruck in einem Kraftstoffeinspritzsystem, wie beispielsweise in einem Common-Rail-System, werden unter anderem Hochdruckpumpen mit einem oder mehreren Pumpenkolben eingesetzt, welche von einer Antriebswelle mittelbar beispielsweise über einen Nocken oder einen Exzenter, welcher mit einer Laufrolle einer Stößelbaugruppe in Kontakt steht, in eine Hubbewegung versetzt werden, um einen Saughub und einen Druckhub auszuführen. Während des Saughubs wird Kraftstoff in einen Pumpenarbeitsraum der Hochdruckpumpe eingesaugt, und während des Druckhubs wird der angesaugte Kraftstoff komprimiert und an den Hochdruckspeicher des Common-Rail-Systems ausgegeben. Derartige Hochdruckpumpen können dabei als Steckpumpe ausgebildet sein.For pressurizing the fuel at high pressure in a fuel injection system, such as in a common rail system, among other high pressure pumps are used with one or more pump piston, which indirectly from a drive shaft, for example via a cam or an eccentric, which with a roller of a plunger assembly is in contact, be placed in a stroke movement to perform a suction stroke and a pressure stroke. During the suction stroke, fuel is sucked into a pump working space of the high pressure pump, and during the pressure stroke, the sucked fuel is compressed and output to the high pressure accumulator of the common rail system. Such high-pressure pumps can be designed as a plug-in pump.
Beispielsweise ist in
Eine weitere als Steckpumpe ausgebildete Hochdruckpumpe ist in
Darüber hinaus ist aus dem Stand der Technik die Lagerung der Laufrolle in dem Stößelkörper über einen Bolzen mit darauf angeordneter Buchse bekannt. Bei einer derartigen Konfiguration ergibt sich jedoch konstruktiv ein ungünstiges Verhältnis von dem Durchmesser d der Laufrolle zu der tragenden Länge l der Laufrolle. Für eine stabile Ausrichtung der Laufrolle auf der Antriebswelle gilt erfahrungsgemäß das Verhältnis d/l ≥ 1,5. Dies kann in Abhängigkeit des Führungsdurchmessers des Stößelkörpers jedoch nicht immer sichergestellt werden.In addition, from the prior art, the bearing of the roller in the plunger body via a bolt with arranged thereon socket known. In such a configuration, however, constructively results in an unfavorable ratio of the diameter d of the roller to the supporting length l of the roller. For a stable alignment of the roller on the drive shaft, the ratio d / l ≥ 1.5 applies according to experience. However, this can not always be ensured depending on the guide diameter of the tappet body.
Daher ist es wünschenswert, eine Hochdruckpumpe zu schaffen, bei welcher eine stabile Ausrichtung der Laufrolle auf der Antriebswelle sichergestellt wird.Therefore, it is desirable to provide a high-pressure pump in which a stable alignment of the roller on the drive shaft is ensured.
Offenbarung der ErfindungDisclosure of the invention
Vorteile der ErfindungAdvantages of the invention
Erfindungsgemäß wird eine Hochdruckpumpe für ein Kraftstoffeinspritzsystem einer Brennkraftmaschine bereitgestellt, wobei die Hochdruckpumpe zumindest einen Pumpenkolben aufweist, welcher durch die Drehung einer Antriebswelle um eine Drehachse herum über zumindest einen an der Antriebswelle angeordneten Nocken oder Exzenter und eine an dem Pumpenkolben angeordnete Stößelbaugruppe in einer Hubbewegung in im Wesentlichen radialer Richtung zu der Drehachse der Antriebswelle angetrieben wird, wobei die Stößelbaugruppe einen Stößelkörper und eine Laufrolle aufweist, wobei zum stabilen Ausrichten der Laufrolle auf der Antriebswelle eine Verdrehsicherung vorgesehen ist. Die Verdrehsicherung unterbindet effektiv eine Verdrehneigung des Stößelkörpers.According to the invention, a high-pressure pump is provided for a fuel injection system of an internal combustion engine, wherein the high-pressure pump has at least one pump piston, which by means of rotation of a drive shaft about a rotation axis via at least one arranged on the drive shaft cam or eccentric and arranged on the pump piston plunger assembly in a reciprocating movement in is driven in a substantially radial direction to the axis of rotation of the drive shaft, wherein the plunger assembly has a plunger body and a roller, wherein for stable alignment of the roller on the drive shaft, a rotation is provided. The anti-rotation effectively prevents Verdreigung the ram body.
Gemäß einer bevorzugten Ausführungsform ist die Verdrehsicherung durch einen an dem Stößelkörper vorgesehenen Vorsprung, welcher an einer in dem auf der Antriebswelle angeordneten Nocken oder Exzenter ausgebildete Aussparung formschlüssig anliegt, gebildet. Diese Konfiguration der Verdrehsicherung ist konstruktiv einfach realisierbar. Eine aufwändige Bearbeitung der Stößelbohrung im Motorblock oder im Pumpengehäuse ist nicht notwendig. Auch wird der Führungsdurchmesser des Stößelkörpers hierdurch nicht reduziert bzw. geschwächt.According to a preferred embodiment, the anti-rotation device is formed by a projection provided on the tappet body, which projection bears in a form-fitting manner on a recess formed in the cam or eccentric arranged on the drive shaft. This configuration of the anti-twist device is structurally easy to implement. An elaborate machining of the plunger bore in the engine block or in the pump housing is not necessary. Also, the guide diameter of the plunger body is not reduced or weakened thereby.
Gemäß noch einer bevorzugten Ausführungsform ist der Vorsprung als Führungszunge an dem Stößelkörper ausgebildet. Die Führungszunge kann darüber hinaus je nach Bauweise und Fertigungsgegebenheiten des Stößelkörpers mehrteilig ausgeführt sein.According to yet a preferred embodiment, the projection is formed as a guide tongue on the plunger body. The guide tongue can also be designed in several parts depending on the design and manufacturing conditions of the plunger body.
Gemäß noch einer weiteren bevorzugten Ausführungsform ist die Aussparung als Laufnut ausgebildet. Die Ausbildung der Laufnut in dem Nocken oder Exzenter ist eine besonders kostengünstige Lösung, da die Laufnut in der Antriebswelle bei der Drehbearbeitung kostenneutral hergestellt werden kann.According to yet another preferred embodiment, the recess is formed as a running groove. The formation of the running groove in the cam or eccentric is a particularly cost-effective solution, since the running groove in the drive shaft during turning can be made cost-neutral.
Vorzugsweise ist die Führungszunge integral mit dem Stößelkörper ausgebildet. Hierdurch wird eine einfache und somit kostengünstige Fertigung der Verdrehsicherung ermöglicht. Preferably, the guide tongue is formed integrally with the plunger body. As a result, a simple and thus cost-effective production of the rotation is possible.
Darüber hinaus ist es bevorzugt, wenn die Führungszunge über die Laufbahn der Antriebswelle übersteht.Moreover, it is preferred if the guide tongue projects beyond the raceway of the drive shaft.
Gemäß noch einer bevorzugten Ausführungsform ist zwischen der Laufbahn der Antriebswelle und der Führungszunge ein Spiel bzw. ein Mindestspiel vorgesehen.According to yet a preferred embodiment, a game or a minimum clearance is provided between the track of the drive shaft and the guide tongue.
Besonders bevorzugt ist es auch, wenn die Führungszunge eine Kontaktfläche aufweist, welche der Laufnut gegenüberliegt, wobei die Kontaktfläche ballig bzw. gewölbt, insbesondere im Wesentlichen konvex, ausgebildet ist. Die Gefahr von Kantenträger, welche bei gerader Ausführung der Kontaktfläche auftreten würde, wird hierdurch vermieden, Verschleiß wird reduziert und die Robustheit der Baugruppe wird gesteigert.It is also particularly preferred if the guide tongue has a contact surface which is opposite to the running groove, wherein the contact surface is convex or arched, in particular substantially convex. The risk of edge beams, which would occur in a straight design of the contact surface, is thereby avoided, wear is reduced and the robustness of the assembly is increased.
Gemäß einer weiteren bevorzugten Ausführungsform ist die Laufrolle über einen Bolzen und eine auf dem Bolzen angeordnete Buchse drehbar gelagert.According to a further preferred embodiment, the roller is rotatably mounted via a bolt and a socket arranged on the bolt.
Gemäß einer bevorzugten Ausführungsform ist die Führungszunge durch den Bolzen zentriert und fixiert.According to a preferred embodiment, the guide tongue is centered and fixed by the bolt.
Vorzugsweise sind Teile der Hochdruckpumpe, insbesondere ein Zylinderkopf und/oder ein Antrieb, als Steckpumpeneinheit ausgebildet. Die Steckpumpenheinheit beispielsweise der Stößelbaugruppe ermöglicht eine einfache Montage in den Motorblock oder in das Pumpengehäuse.Preferably, parts of the high-pressure pump, in particular a cylinder head and / or a drive, are designed as a plug-in pump unit. The plug-in pump unit, for example, the plunger assembly allows easy installation in the engine block or in the pump housing.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Im Nachfolgenden werden Ausführungsformen der Erfindung unter Bezugnahme auf die beigefügten Zeichnungen näher beschrieben. Es zeigt:Hereinafter, embodiments of the invention will be described in detail with reference to the accompanying drawings. It shows:
Ausführungsformen der ErfindungEmbodiments of the invention
In
Der Pumpenarbeitsraum
Die Verdrehsicherung, welche stößelbaugruppenseitig durch die Führungszunge
Im Folgenden wird ein Beispiel für eine Winkelspielberechnung angegeben.
Das Anlaufen kann wie in dem in
Mittels der erfindungsgemäßen Konfiguration kann somit auf konstruktiv einfache Weise ohne aufwändige Bearbeitung der Stößelbohrung im Motorblock oder im Pumpengehäuse eine effektive Verdrehsicherung geschaffen werden.By means of the configuration according to the invention can thus be provided in a structurally simple manner without laborious machining of the plunger bore in the engine block or in the pump housing an effective rotation.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102008041383 A1 [0003] DE 102008041383 A1 [0003]
- DE 102008001018 A1 [0004] DE 102008001018 A1 [0004]
Claims (10)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010063363A DE102010063363A1 (en) | 2010-12-17 | 2010-12-17 | high pressure pump |
PCT/EP2011/069115 WO2012079831A1 (en) | 2010-12-17 | 2011-10-31 | High-pressure pump |
CN201180060143.6A CN103261684B (en) | 2010-12-17 | 2011-10-31 | high-pressure pump |
ES11778860.4T ES2527666T3 (en) | 2010-12-17 | 2011-10-31 | High pressure pump |
EP11778860.4A EP2652326B1 (en) | 2010-12-17 | 2011-10-31 | High-pressure pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010063363A DE102010063363A1 (en) | 2010-12-17 | 2010-12-17 | high pressure pump |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010063363A1 true DE102010063363A1 (en) | 2012-06-21 |
Family
ID=44906099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102010063363A Withdrawn DE102010063363A1 (en) | 2010-12-17 | 2010-12-17 | high pressure pump |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2652326B1 (en) |
CN (1) | CN103261684B (en) |
DE (1) | DE102010063363A1 (en) |
ES (1) | ES2527666T3 (en) |
WO (1) | WO2012079831A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012218083A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | Housing for a high-pressure pump |
DE102012218086A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure fuel pump of internal combustion engine of vehicle, has oil pump that is driven by camshaft and arranged in housing |
DE102012218075A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure pump, particularly high-pressure fuel pump for internal combustion engine, comprises pump cylinder, in which pump piston is movably arranged, and oil pump arranged in addition to high-pressure pump, which is driven by camshaft |
DE102012218078A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure fuel pump for internal combustion engine used in vehicle, has pump piston that is connected with cam of cam shaft which is provided to drive oil pump or vacuum pump located adjacent to high pressure pump main portion |
DE102012222450A1 (en) | 2012-12-06 | 2014-06-12 | Robert Bosch Gmbh | Housing for high pressure pump element, particularly high-pressure fuel pump unit, for internal combustion engine, is provided as universal housing for receiving high pressure pump element for gasoline or diesel fuel |
DE102013212237A1 (en) | 2013-06-26 | 2014-12-31 | Robert Bosch Gmbh | high pressure pump |
WO2016041655A1 (en) * | 2014-09-15 | 2016-03-24 | Robert Bosch Gmbh | Reciprocating pump |
DE102014223795A1 (en) | 2014-11-21 | 2016-05-25 | Robert Bosch Gmbh | Pump, in particular a high-pressure fuel pump |
ITUA20164365A1 (en) * | 2016-06-14 | 2017-12-14 | Bosch Gmbh Robert | PUMPING GROUP FOR FUEL SUPPLEMENTATION, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2821646A1 (en) * | 2013-07-01 | 2015-01-07 | Delphi International Operations Luxembourg S.à r.l. | High pressure pump |
FR3015598B1 (en) * | 2013-12-23 | 2016-12-23 | Skf Ab | FOLLOWING ROLL DEVICE OF A CAM |
DE102014225794A1 (en) * | 2014-12-15 | 2016-06-16 | Robert Bosch Gmbh | High-pressure pump and method for producing a high-pressure pump |
DE112016001948T5 (en) | 2015-04-28 | 2018-01-18 | Cummins Inc. | Pinless plunger in a common rail high pressure fuel pump |
DE102016203768B4 (en) * | 2015-11-12 | 2017-10-26 | Robert Bosch Gmbh | Pump, in particular high-pressure pump of a fuel injection system, with a mounting assembly of plunger assembly and pump cylinder head, in particular by a latching connection between spring plate and plunger body |
EP3176421B1 (en) * | 2015-12-03 | 2018-07-04 | Aktiebolaget SKF | Cam follower roller device with reinforced tappet body |
JP7172752B2 (en) | 2019-03-07 | 2022-11-16 | 株式会社デンソー | fuel injection pump |
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DE102008001018A1 (en) | 2008-04-07 | 2009-10-08 | Robert Bosch Gmbh | High pressure fuel pump for use as submerged pump for operation of internal combustion engine, has pump housing and pump piston, which is adjustably controlled in pump cylinder head |
DE102008041383A1 (en) | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | Plug-in pump for supplying highly compressed fuel to internal combustion engine, has intake valve comprising closing part lifted from valve seat against force of spring by motor in direction that is turned away from pump chamber |
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US4152953A (en) * | 1977-12-15 | 1979-05-08 | General Motors Corporation | Roller cam follower with anti-rotation device |
DE102004048711B4 (en) * | 2004-10-06 | 2006-09-14 | Siemens Ag | Radial piston pump with roller tappet |
DE102006048722A1 (en) * | 2006-10-16 | 2008-04-17 | Robert Bosch Gmbh | Piston pump, in particular high-pressure fuel pump, with roller tappet |
DE102006052484A1 (en) * | 2006-11-07 | 2008-05-08 | Robert Bosch Gmbh | Camshaft drive with a geometric roller stabilization |
DE102008007406A1 (en) * | 2008-02-04 | 2009-08-06 | Continental Automotive Gmbh | High pressure pump has plunger, which is provided with longitudinal axis at drive shaft over roller for indirect supporting of piston, where roller is coupled with plunger in rotating manner |
DE102008000710A1 (en) * | 2008-03-17 | 2009-09-24 | Robert Bosch Gmbh | high pressure pump |
DE102008015548A1 (en) * | 2008-03-25 | 2009-10-01 | Robert Bosch Gmbh | High-pressure pump i.e. radial or series piston pump, for fuel injection system of air-compressing self-ignition internal-combustion engine, has anti-twist protection pin indirectly connecting with roller support and housing parts |
DE102008040242A1 (en) * | 2008-07-08 | 2010-01-14 | Robert Bosch Gmbh | Injection pump for injecting diesel fuel into internal combustion engine in motor vehicle, has double-C-frame supported on rolling body tracks by rolling bodies, which are rolled off on rolling body tracks in peripheral direction |
-
2010
- 2010-12-17 DE DE102010063363A patent/DE102010063363A1/en not_active Withdrawn
-
2011
- 2011-10-31 ES ES11778860.4T patent/ES2527666T3/en active Active
- 2011-10-31 WO PCT/EP2011/069115 patent/WO2012079831A1/en active Application Filing
- 2011-10-31 CN CN201180060143.6A patent/CN103261684B/en active Active
- 2011-10-31 EP EP11778860.4A patent/EP2652326B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102008001018A1 (en) | 2008-04-07 | 2009-10-08 | Robert Bosch Gmbh | High pressure fuel pump for use as submerged pump for operation of internal combustion engine, has pump housing and pump piston, which is adjustably controlled in pump cylinder head |
DE102008041383A1 (en) | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | Plug-in pump for supplying highly compressed fuel to internal combustion engine, has intake valve comprising closing part lifted from valve seat against force of spring by motor in direction that is turned away from pump chamber |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012218083A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | Housing for a high-pressure pump |
DE102012218086A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure fuel pump of internal combustion engine of vehicle, has oil pump that is driven by camshaft and arranged in housing |
DE102012218075A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure pump, particularly high-pressure fuel pump for internal combustion engine, comprises pump cylinder, in which pump piston is movably arranged, and oil pump arranged in addition to high-pressure pump, which is driven by camshaft |
DE102012218078A1 (en) | 2012-10-04 | 2014-04-10 | Robert Bosch Gmbh | High-pressure fuel pump for internal combustion engine used in vehicle, has pump piston that is connected with cam of cam shaft which is provided to drive oil pump or vacuum pump located adjacent to high pressure pump main portion |
DE102012222450A1 (en) | 2012-12-06 | 2014-06-12 | Robert Bosch Gmbh | Housing for high pressure pump element, particularly high-pressure fuel pump unit, for internal combustion engine, is provided as universal housing for receiving high pressure pump element for gasoline or diesel fuel |
DE102013212237A1 (en) | 2013-06-26 | 2014-12-31 | Robert Bosch Gmbh | high pressure pump |
WO2016041655A1 (en) * | 2014-09-15 | 2016-03-24 | Robert Bosch Gmbh | Reciprocating pump |
US10100796B2 (en) | 2014-09-15 | 2018-10-16 | Robert Bosch Gmbh | Reciprocating pump |
DE102014223795A1 (en) | 2014-11-21 | 2016-05-25 | Robert Bosch Gmbh | Pump, in particular a high-pressure fuel pump |
WO2016078881A1 (en) * | 2014-11-21 | 2016-05-26 | Robert Bosch Gmbh | Pump, in particular high-pressure fuel pump |
CN107076084A (en) * | 2014-11-21 | 2017-08-18 | 罗伯特·博世有限公司 | Pump, especially high-pressure fuel pump |
US10280884B2 (en) | 2014-11-21 | 2019-05-07 | Robert Bosch Gmbh | Pump, in particular high-pressure fuel pump |
ITUA20164365A1 (en) * | 2016-06-14 | 2017-12-14 | Bosch Gmbh Robert | PUMPING GROUP FOR FUEL SUPPLEMENTATION, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE |
WO2017216142A1 (en) * | 2016-06-14 | 2017-12-21 | Robert Bosch Gmbh | Pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
CN103261684B (en) | 2016-05-11 |
ES2527666T3 (en) | 2015-01-28 |
WO2012079831A1 (en) | 2012-06-21 |
CN103261684A (en) | 2013-08-21 |
EP2652326B1 (en) | 2014-12-24 |
EP2652326A1 (en) | 2013-10-23 |
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