DE102005007806A1 - Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle - Google Patents
Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle Download PDFInfo
- Publication number
- DE102005007806A1 DE102005007806A1 DE102005007806A DE102005007806A DE102005007806A1 DE 102005007806 A1 DE102005007806 A1 DE 102005007806A1 DE 102005007806 A DE102005007806 A DE 102005007806A DE 102005007806 A DE102005007806 A DE 102005007806A DE 102005007806 A1 DE102005007806 A1 DE 102005007806A1
- Authority
- DE
- Germany
- Prior art keywords
- piston pump
- holding body
- pump
- contact surface
- mounting flange
- 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.)
- Withdrawn
Links
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
- 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
-
- 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
- F02M59/48—Assembling; Disassembling; Replacing
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
-
- 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
- F02M59/025—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 a single piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Eine Hochdruck-Kraftstoffpumpe (10) für eine Brennkraftmaschine eines Kraftfahrzeugs umfasst ein Pumpengehäuse (12) und einen Befestigungsflansch (22). Dieser ist am Pumpengehäuse (12) befestigt und weist mindestens einen Verbindungsbereich (36) auf, an dem in Einbaulage ein Verbindungselement (42) angreift. Über dieses kann die Kolbenpumpe (10) an einem Haltekörper (20) befestigt werden. Es wird vorgeschlagen, dass der Verbindungsbereich (36) in Einbaulage vom Haltekörper (20) beabstandet ist.A High pressure fuel pump (10) for an internal combustion engine of a motor vehicle comprises a pump housing (12) and a mounting flange (22). This is on the pump housing (12) attached and has at least one connecting portion (36), on in the installed position, a connecting element (42) engages. About this For example, the piston pump (10) can be fastened to a holding body (20). It is proposed that the connection area (36) in installation position from the holding body (20) is spaced.
Description
Die Erfindung betrifft eine Kolbenpumpe, insbesondere eine Hochdruck-Kraftstoffpumpe für eine Brennkraftmaschine eines Kraftfahrzeugs, nach dem Oberbegriff des Anspruchs 1.The The invention relates to a piston pump, in particular a high-pressure fuel pump for an internal combustion engine of a motor vehicle, according to the preamble of claim 1.
Eine
solche Kolbenpumpe ist aus der
Aufgabe der vorliegenden Erfindung ist es, eine Kolbenpumpe der eingangs genannten Art so weiterzubilden, dass sie über eine lange Zeit sicher beispielsweise an einem Zylinderkopf befestigt werden kann, klein baut, leicht ist, und geringe Herstellkosten hat.task The present invention is a piston pump of the above so-called type so that they are safe for a long time, for example can be attached to a cylinder head, builds small, lightweight is, and has low production costs.
Diese Aufgabe wird durch eine Kolbenpumpe mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen finden sich in Unteransprüchen.These Task is achieved by a piston pump with the features of the claim 1 solved. Advantageous developments can be found in subclaims.
Vorteile der ErfindungAdvantages of invention
Der erfindungsgemäß vorgesehene Abstand zwischen Verbindungsbereich und Haltekörper ermöglicht die Realisierung einer vergrößerten Verspannungslänge des Verbindungselements. Insbesondere dann, wenn als Verbindungselement eine Schraube beziehungsweise ein Schraubbolzen verwendet wird, wird durch diese Maßnahme verhindert, dass sich das Verbindungselement durch Setzvorgänge lockert. Auf diese Weise kann eine gute Verbindung der Kolbenpumpe mit dem Haltekörper über einen langen Zeitraum gewährleistet werden.Of the provided according to the invention Distance between connection area and holding body allows the realization of a increased tension length of the Connecting element. In particular, when as a connecting element a screw or a bolt is used, is through this measure Prevents the connection element from loosening due to setting operations. In this way, a good connection of the piston pump with the Holding body over a long period guaranteed become.
Dabei ist für den Befestigungsflansch eine deutlich verringerte Wandstärke erforderlich, da die für eine sichere Verbindung erforderliche Verspannungslänge nicht über die Materialdicke, sondern durch einen Abstand zwischen Verbindungsbereicht und Haltekörper realisiert wird. Darüber hinaus werden die Herstellkosten gesenkt, da durch die Vermeidung eines flächig anliegenden Befestigungsflansches am Haltekörper die ansonsten sehr hohen Anforderungen an die Ebenheit einer entsprechenden Kontaktfläche reduziert werden.there is for the mounting flange requires a significantly reduced wall thickness, since the for a secure connection required tension length does not have the Material thickness, but by a distance between Verbindungsbereicht and holding body is realized. About that In addition, the manufacturing costs are reduced because of the avoidance one area adjacent mounting flange on the holding body otherwise very high Reduced requirements for the flatness of a corresponding contact surface become.
Ist der Verbindungsbereich als Ausbuchtung ausgebildet, wird bereits durch die Formgebung eine erhöhte Steifigkeit im Verbindungsbereich erzielt. Vor der Montage in unterschiedlichen Ebenen liegende Kontaktflächen führen bei der Montage zu einer Verspannung des Befestigungsflansches, indem dieser sich an den Haltekörper zumindest bereichsweise anlegt und dabei verformt. Dies führt zu einer zusätzlichen Spannkraft am Verbindungselement. Die in verschiedenen Ebenen angeordneten Kontaktflächen formen sich darüber hinaus in den Haltekörper geringfügig ein, was zu einer erhöhten Reibung zwischen dem Befestigungsflansch der Kolbenpumpe und dem Haltekörper führt. Hierdurch wird verhindert, dass sich die Kolbenpumpe durch Querbeschleunigungen bewegt und hierdurch die Verbindung des Verbindungselements gelockert wird. Da durch die erhöhte Reibung eine geringere Vorspannkraft am Verbindungselement erforderlich ist, können, beispielsweise bei Verwendung von Schrauben als Verbindungselemente, handelsübliche Schrauben beispielsweise der Festigkeitsklasse 8.8 verwendet werden, die preiswert bezogen werden können. Erfindungsgemäß vorgesehene Verkrallkanten können die Reibung zwischen Befestigungsflansch und Haltekörper nochmals erhöhen, was ebenfalls die Festigkeitsanforderungen an das Verbindungselement reduziert.is the connection area formed as a bulge is already increased by the shape Stiffness achieved in the connection area. Before mounting in different Layers lying contact surfaces to lead during assembly to a tension of the mounting flange, by attaching itself to the holding body at least partially applies and thereby deformed. This leads to a additional Clamping force on the connecting element. The arranged in different levels contact surfaces form over it out slightly into the holding body, resulting in an increased Friction between the mounting flange of the piston pump and the holding body leads. This prevents the piston pump from being accelerated by lateral acceleration moves and thereby loosened the connection of the connecting element becomes. Because of the increased Friction a lower preload force on the connecting element required is, can, for example when using screws as connecting elements, commercial Screws are used, for example, of strength class 8.8, which can be purchased inexpensively. Provided according to the invention Verkrallkanten can the Increase friction between mounting flange and holding body again, what also reduces the strength requirements for the connecting element.
Eine durchgeschweißte Schweißnaht sorgt vor allem in Verbindung mit Laserschweißtechnik für eine gute Schweißverbindung zwischen Befestigungsflansch und Pumpengehäuse, die eine hohe dynamische Festigkeit aufweist. Um einerseits mit einer vergleichsweise geringen Schweißleistung die Schweißnaht herstellen zu können, was die Herstellkosten senkt, und gleichzeitig eine ausreichende Wandstärke des Befestigungsflansches insgesamt sicherzustellen, kann der Flansch im Bereich der Schweißnaht beispielsweise durch Prägen in der Wandstärke auf Schweißnahttiefe reduziert werden. Die Grundsteifigkeit des Befestigungsflansches bleibt dennoch erhalten.A by welded Weld Maintains a good weld connection especially in connection with laser welding technology between mounting flange and pump housing, which has a high dynamic Has strength. On the one hand with a comparatively small welding power the weld to be able to produce which lowers the production costs, and at the same time a sufficient wall thickness of the To ensure mounting flange overall, the flange can in the area of the weld for example by embossing in the wall thickness at weld depth be reduced. The basic rigidity of the mounting flange remains still received.
Zeichnungdrawing
Nachfolgend werden besonders bevorzugte Ausführungsbeispiele der vorliegenden Erfindung unter Bezugnahme auf die beiliegende Zeichnung näher erläutert. In der Zeichnung zeigen:following become particularly preferred embodiments the present invention with reference to the accompanying Drawing closer explained. In the drawing show:
Beschreibung der Ausführungsbeispieledescription the embodiments
Eine
Kolbenpumpe trägt
in
Die
Kolbenpumpe
In
dem kreisrunden Bereich
Der
Befestigungsflansch
An
den Zentralabschnitt
Wie
aus den
Die
außerhalb
der Ausbuchtung
Die
erste Kontaktfläche
Wie
besonders gut aus
Mit
diesen unterschiedlichen Ebenen
Besonders
hoch ist die Flächenpressung
dabei in dem unmittelbar benachbart zur Ausbuchtung
In
Der
in
Wie
aus
Eine
nochmals andere Ausgestaltung des Befestigungsflansches ergibt sich
aus
Bei
einem solchermaßen
ausgestalteten Befestigungsflansch
Claims (11)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005007806A DE102005007806A1 (en) | 2004-12-28 | 2005-02-21 | Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle |
ES05821583T ES2701345T3 (en) | 2004-12-28 | 2005-12-13 | Piston pump, particularly a high-pressure fuel pump for an internal combustion engine of a motor vehicle |
PCT/EP2005/056734 WO2006069913A1 (en) | 2004-12-28 | 2005-12-13 | Piston pump in particular a high-pressure fuel pump for an internal combustion engine on a motor vehicle |
EP05821583.1A EP1834090B1 (en) | 2004-12-28 | 2005-12-13 | Piston pump in particular a high-pressure fuel pump for an internal combustion engine on a motor vehicle |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004063073.9 | 2004-12-28 | ||
DE102004063073 | 2004-12-28 | ||
DE102005007806A DE102005007806A1 (en) | 2004-12-28 | 2005-02-21 | Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005007806A1 true DE102005007806A1 (en) | 2006-07-06 |
Family
ID=35929717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005007806A Withdrawn DE102005007806A1 (en) | 2004-12-28 | 2005-02-21 | Piston pump, in particular high-pressure fuel pump for an internal combustion engine of a motor vehicle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1834090B1 (en) |
DE (1) | DE102005007806A1 (en) |
ES (1) | ES2701345T3 (en) |
WO (1) | WO2006069913A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017182374A1 (en) * | 2016-04-18 | 2017-10-26 | Continental Automotive Gmbh | Combination, comprising a housing and a flange, and arrangement |
WO2017182376A1 (en) * | 2016-04-18 | 2017-10-26 | Continental Automotive Gmbh | Combination comprising a housing and a flange, and assembly |
DE102016213451A1 (en) | 2016-05-19 | 2017-11-23 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102016212468A1 (en) | 2016-07-08 | 2018-01-11 | Robert Bosch Gmbh | High-pressure fuel pump for a fuel injection system of an internal combustion engine |
WO2018015047A1 (en) | 2016-07-21 | 2018-01-25 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102017207207A1 (en) | 2017-04-28 | 2018-10-31 | Robert Bosch Gmbh | Fuel pump |
DE102017210313A1 (en) | 2017-06-20 | 2018-12-20 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102018209264A1 (en) | 2018-06-11 | 2019-12-12 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102018211690A1 (en) | 2018-07-13 | 2020-01-16 | Robert Bosch Gmbh | High-pressure fuel pump |
WO2020064062A1 (en) * | 2018-09-27 | 2020-04-02 | Continental Automotive Gmbh | Pump assembly for an internal combustion engine |
WO2020064063A1 (en) * | 2018-09-27 | 2020-04-02 | Continental Automotive Gmbh | Method for producing a pump assembly for an internal combustion engine, and pump assembly |
DE102018221702A1 (en) | 2018-12-13 | 2020-06-18 | Robert Bosch Gmbh | High pressure fuel pump |
WO2020207543A1 (en) * | 2019-04-08 | 2020-10-15 | Vitesco Technologies GmbH | Pump for a motor vehicle and method for producing a pump |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016206470B3 (en) * | 2016-04-18 | 2017-10-05 | Continental Automotive Gmbh | Combination comprising a housing and a flange, and arrangement |
KR102604769B1 (en) * | 2021-09-08 | 2023-11-21 | 주식회사 현대케피코 | Multi-Face Contact type High Pressure Pump Mounting Sevice |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS191051B1 (en) * | 1975-03-27 | 1979-06-29 | Jaromir Indra | Injection unit of the injection pump for the combustion engines |
IT1226115B (en) * | 1988-12-13 | 1990-12-11 | O M A P Officine Meccaniche Al | HIGH PRESSURE INJECTION PUMP MAINLY FOR DIESEL ENGINES |
DE10134066A1 (en) * | 2001-07-13 | 2003-02-06 | Bosch Gmbh Robert | Fuel pump, in particular high-pressure fuel pump for a fuel system of an internal combustion engine with gasoline direct injection |
DE10322599B4 (en) * | 2003-05-20 | 2013-08-08 | Robert Bosch Gmbh | Piston pump, in particular high-pressure fuel pump |
-
2005
- 2005-02-21 DE DE102005007806A patent/DE102005007806A1/en not_active Withdrawn
- 2005-12-13 EP EP05821583.1A patent/EP1834090B1/en active Active
- 2005-12-13 ES ES05821583T patent/ES2701345T3/en active Active
- 2005-12-13 WO PCT/EP2005/056734 patent/WO2006069913A1/en active Application Filing
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017182374A1 (en) * | 2016-04-18 | 2017-10-26 | Continental Automotive Gmbh | Combination, comprising a housing and a flange, and arrangement |
WO2017182376A1 (en) * | 2016-04-18 | 2017-10-26 | Continental Automotive Gmbh | Combination comprising a housing and a flange, and assembly |
DE102016213451A1 (en) | 2016-05-19 | 2017-11-23 | Robert Bosch Gmbh | High-pressure fuel pump |
WO2017198366A1 (en) | 2016-05-19 | 2017-11-23 | Robert Bosch Gmbh | High pressure fuel pump for a fuel injection system of an internal combustion engine |
WO2017198371A1 (en) | 2016-05-19 | 2017-11-23 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102016213470A1 (en) | 2016-05-19 | 2017-11-23 | Robert Bosch Gmbh | High-pressure fuel pump for a fuel injection system of an internal combustion engine |
US10947942B2 (en) | 2016-05-19 | 2021-03-16 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102016212468A1 (en) | 2016-07-08 | 2018-01-11 | Robert Bosch Gmbh | High-pressure fuel pump for a fuel injection system of an internal combustion engine |
WO2018015047A1 (en) | 2016-07-21 | 2018-01-25 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102016213333A1 (en) | 2016-07-21 | 2018-01-25 | Robert Bosch Gmbh | High-pressure fuel pump |
WO2018197113A1 (en) | 2017-04-28 | 2018-11-01 | Robert Bosch Gmbh | Fuel pump |
DE102017207207A1 (en) | 2017-04-28 | 2018-10-31 | Robert Bosch Gmbh | Fuel pump |
US11428197B2 (en) | 2017-04-28 | 2022-08-30 | Robert Bosch Gmbh | Fuel pump |
DE102017210313A1 (en) | 2017-06-20 | 2018-12-20 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102018209264A1 (en) | 2018-06-11 | 2019-12-12 | Robert Bosch Gmbh | High-pressure fuel pump |
DE102018211690A1 (en) | 2018-07-13 | 2020-01-16 | Robert Bosch Gmbh | High-pressure fuel pump |
WO2020064062A1 (en) * | 2018-09-27 | 2020-04-02 | Continental Automotive Gmbh | Pump assembly for an internal combustion engine |
WO2020064063A1 (en) * | 2018-09-27 | 2020-04-02 | Continental Automotive Gmbh | Method for producing a pump assembly for an internal combustion engine, and pump assembly |
DE102018221702A1 (en) | 2018-12-13 | 2020-06-18 | Robert Bosch Gmbh | High pressure fuel pump |
WO2020120075A1 (en) | 2018-12-13 | 2020-06-18 | Robert Bosch Gmbh | High-pressure fuel pump |
WO2020207543A1 (en) * | 2019-04-08 | 2020-10-15 | Vitesco Technologies GmbH | Pump for a motor vehicle and method for producing a pump |
Also Published As
Publication number | Publication date |
---|---|
WO2006069913A1 (en) | 2006-07-06 |
EP1834090A1 (en) | 2007-09-19 |
ES2701345T3 (en) | 2019-02-21 |
EP1834090B1 (en) | 2018-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R012 | Request for examination validly filed |
Effective date: 20111115 |
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R002 | Refusal decision in examination/registration proceedings | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |