EP1275845A2 - Hochdruck-Kraftstoffpumpe - Google Patents
Hochdruck-Kraftstoffpumpe Download PDFInfo
- Publication number
- EP1275845A2 EP1275845A2 EP02011421A EP02011421A EP1275845A2 EP 1275845 A2 EP1275845 A2 EP 1275845A2 EP 02011421 A EP02011421 A EP 02011421A EP 02011421 A EP02011421 A EP 02011421A EP 1275845 A2 EP1275845 A2 EP 1275845A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- fuel pump
- cylinder head
- annular
- fastening part
- 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.)
- Granted
Links
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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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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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
-
- 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
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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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/007—Cylinder heads
Definitions
- the invention relates to a fuel pump, in particular High pressure fuel pump for a fuel system Internal combustion engine with gasoline direct injection, with one Piston, with drive means for driving the piston, with a cylinder in which the piston is guided with a Cylinder head on the cylinder with a total annular contact surface rests, and with at least a fastener with which the cylinder head with the applied annular contact surface against the cylinder becomes.
- Such a fuel pump is known from the market. at it is the cylinder between the cylinder head and one Flange element jammed, which in turn on the engine block the internal combustion engine is attached. The flange element is clamped to the cylinder head with screws.
- the present invention has the task of a Fuel pump of the type mentioned above to further develop that they are manufactured cheaper can.
- the fuel pump according to the invention has the advantage that a cheaper fastener can be used with which the cylinder head with the annular contact surface is applied against the cylinder.
- the reason for that is that the fastener has smaller forces must record. This is based on the following consideration:
- Fasteners work with the part to be fastened usually not the same in the entire contact area Measurements together. Generally there is an effective range in which the predominant portion of power transmission he follows. The distance between the two effective areas a fastener can be called "free length" describe.
- the annular contact surface and the effective range of the Fasteners on the cylinder head in the longitudinal direction of the Cylinder seen, not at the same height, but are seen in the longitudinal direction, spaced from each other, adds up when the cylinder head heats up expansion of the cylinder head caused by the heating to the "free" length of the fastener.
- the holding power of the fastener is thus when the Fuel pump lower.
- the Fuel pump comprises an annular fastening part, which is supported at least indirectly on the cylinder, the fastener between the fastener and the cylinder head is clamped.
- annular fastener can be avoided on the cylinder itself, which is generally made of a hard Material is made, for example, bores or threads must be introduced on which the fastener can attack.
- the ring-shaped Fastening part the manufacture of the actual cylinder simplified or cheaper.
- the annular Fastening part in the area of the internal combustion engine supports the facing end of the cylinder on the cylinder and includes a mounting flange with which the Fuel pump on a housing of the internal combustion engine can be attached.
- a fastener thus also serves as the mounting flange Fuel pump on the housing of the internal combustion engine, for example on Engine block or on the crankcase, and for attaching the Cylinder head on the cylinder of the fuel pump.
- the cylinder even in this case no holes or Have openings at which the corresponding Can attack fasteners.
- the ring-shaped Fastening part in the area of the cylinder head supports the facing end of the cylinder on the cylinder.
- the fasteners do not run over the entire length of the cylinder, but the attachment of the Cylinder head takes place only in the area of the Cylinder head facing end of the cylinder.
- a particularly easy and inexpensive to implement Attachment of the fastening part to the cylinder can be done in it exist that the fastener on one Ring element supports which on a circumferential groove in Cylinder is arranged. Again, it is preferred that the angular position of the fastener relative to the Cylinder is specified by a pin which is in corresponding recesses in the cylinder and in Fastening part engages. The said circumferential groove is just as easily into the hard cylinder material as the recesses for the pen.
- a screw is preferably used as the fastening means Question which one in a threaded hole in the cylinder head is screwed in. Under certain circumstances commercially available screws are used, which are inexpensive are available. The effective areas of the screw lie here on the one hand with the screw head and on the other hand on the outside End of the area screwed into the threaded hole.
- the cylinder head one Cylinder radially surrounding at least in some areas Apron section has that opposite the cylinder is sealed by an annular seal, between which Apron section and the cylinder an annulus available which is with a low pressure range of Fuel pump is connected.
- This fuel pump is an optimal seal between the cylinder head and Cylinder achieved. Should there be a leak at the Bite edge come, the leakage fluid through the Ring seal prevented from escaping. The ring seal will in the process of too great a load from the connection of the annulus with the low pressure area of the Fuel pump protected.
- the cylinder head on Cylinder is fastened by means of at least one screw, which penetrates the annular contact surface and with a thread in the cylinder or cylinder head works together, which directly to the contact area is adjacent.
- the Cylinder head on the cylinder is not caused by tension between a fastening part and the cylinder head, but by screwing the Cylinder head on the cylinder.
- the Fuel pump includes a mounting flange with which attach the fuel pump to the internal combustion engine can be, which engages a ring element which in a circumferential groove is arranged in the cylinder, the Angle position of the mounting flange with a pin is specified, which in corresponding recesses in the Cylinder and in the mounting flange.
- the ring-shaped contact surface with an annular shoulder on the cylinder can interact.
- the fuel pump can thus be switched on different installation conditions in a simple way and Way to be adjusted.
- the fuel pump be on High-pressure connector part, which is on the cylinder head attached, preferably screwed into this. Since the Cylinder head generally made of a rather soft material is made, whereas the cylinder due to the high Pressure loads tend to be made of a hard material is the introduction of the for the attachment of the High-pressure connector required tapping relatively easy.
- the high-pressure connecting part is sealed in or on the cylinder. This leads to the high pressure area on the actual Cylinder is limited, so those parts made up of a less hard material, not through the high pressure will be charged.
- the Cylinder steel and the cylinder head and / or that Fastener or aluminum fasteners comprises or comprise.
- the weight of the fuel pump can be reduced being used for the cylinder which also for high pressures required strength remains guaranteed.
- threads can be used in aluminum, for example Fastening of parts (e.g. high pressure connection) easier be cut, what the manufacturing costs again lowers.
- a fuel pump carries in total in Fig. 1 Reference numeral 10.
- the fuel pump 10 includes one Cylinder 12, on which a cylinder head 14 is placed.
- a quantity control valve is in turn on the cylinder head 14 16 put on.
- a piston 18 is guided in the cylinder and sealed by a piston seal 19. This is about a tappet 20 from an eccentric 22 one Drive shaft 24 is reciprocated.
- the Fuel pump 10 is to be shown in more detail and manner on a housing 26 of an internal combustion engine (not shown) attached.
- the cylinder 12 has an overall circular cylindrical shape and comprises an upper section 28 with a smaller one in FIG. 1 Diameter, a central section 30 with a larger Diameter and a lower section 32 in FIG. 1 again with a smaller diameter. Between the top Section 28 and middle section 30 is a paragraph 34 formed, and between the central portion 30 and the lower portion 32 of the cylinder 12 is a shoulder 36 available.
- the cylinder 12 is made of steel.
- In the upper section 28 of the cylinder 12 is from the side a radially extending stepped bore 38 is driven in, into which a high-pressure connection 40 is inserted and via a O-ring seal 42 is sealed.
- the cylinder head 14 is overall a bell-shaped part educated. With its lower end face 44 in FIG. 1 it lies against the shoulder 34 of the cylinder 12. Compared to the Cylinder 12 is the cylinder head 14 through an O-ring seal 46 sealed. In the upper area in FIG. 1 of the cylinder head 14 is a radially extending bore 48 introduced, which is a low pressure connection. The cylinder head 14 is open at the top. In the opening the quantity control valve 16 is inserted and this is attached to the cylinder head 14 by means of screws 50. The Screws 50 are only indicated by dash-dotted lines in FIG. 1.
- annular fastening part 52 Around the lower portion 32 of the cylinder 12 is a annular fastening part 52 arranged. Whose Inner diameter corresponds approximately to the outer diameter of the lower section 32 of the cylinder 12.
- the annular Fastening part 52 bears against shoulder 36 of cylinder 12.
- stepped bores 54 In the annular fastening part 52 are on the circumference distributed introduced several stepped bores 54. These are formed so that a head 56 one in them Tension screw 58 can be added.
- the tension screw 58 is with its threaded portion 60 in a threaded bore 62 screwed into the cylinder head 14. That way the cylinder 12 between the cylinder head 14 and the annular fastening part 52 are jammed.
- the clamping screws 58 are in the threaded holes 62 screwed into the cylinder head 14 and between the Fastening part 52 and the cylinder head 14 clamped.
- the effective range lies between the Threaded section 60 of the clamping screw 58 and Threaded bore 62 in the cylinder head 14 in the area of the outer End of the threaded bore 62. This effective range contributes to Fig. 1, reference numeral 64.
- the longitudinal direction of the cylinder 12 seen (the longitudinal axis carries in Fig. 1 Reference number 66) is therefore the annular contact surface 44 of the cylinder head 14 to the cylinder 12 approximately same height as the effective area 64.
- the attachment of the fuel pump 10 to the cylinder 12 is carried out by screws 68, which only in Fig. 1 are indicated by dash-dotted lines. Through these screws 68 the annular fastening part 52 with a Flange section 69 on the housing 26 of the internal combustion engine screwed. The seal between the annular Fastening part 52 and the cylinder 12 is made by a O-ring seal 74.
- the attachment of the high pressure connection 40 takes place on cylinder head 14.
- the high pressure connection 40 has lateral fastening tabs 70 for this purpose on (see FIG. 2), which by means of screws 72 in corresponding threaded holes (not visible) in the Cylinder head 14 are screwed in.
- FIG. 3 has Cylinder 12 no sections with different Diameter, but is as a straight cylindrical Part trained.
- the seal between the cylinder head 14 and the cylinder 12 is done by a on the cylinder head 14 formed annular biting edge 44, which by the Tensioning screws 58 against an upper end face 34 of the Cylinder 12 is pressed.
- apron section 82 Approximately from the axial position of the bite edge 44 extends from an upper portion 80 of the Cylinder head 14 an apron section 82 in the axial Direction towards the annular fastener 52. At the lower end of the apron section 82 in FIG. 3 there is an annular web 84 pointing radially inwards, via an O-ring seal 46 opposite the cylinder 12 is sealed.
- annular space 86 is present. This is about one Relief channel 88 with the low pressure inlet 48 connected.
- One on the inner surface of the cylinder 12 existing relief groove 89 is obliquely behind connecting channel 90 running radially outside and above connected to the annular space 86.
- FIG. 3 Embodiment of a fuel pump 10 to the in the FIGS. 1 and 2 shown embodiment relates the seal of the piston 18 to the housing 26 of the Internal combustion engine.
- the sealing ring 19 in the the fig. 1 and 2 illustrated embodiment in a stage (without reference numerals) in the cylinder 12 is, the sealing takes place in that shown in Fig. 3 Embodiment through the inclusion of the piston seal 19 into the annular fastening part 52.
- the annular fastening part 52 made of aluminum is the corresponding stepped bore in this can be introduced more easily than into the cylinder 12, which is made of a hard steel.
- the ring-shaped Fastening part 52 is thus part of the seal of the Piston 18 relative to the housing 26 of the internal combustion engine and is opposite the cylinder 12 via O-rings 74a, 74b on the one hand and the housing 26 of the internal combustion engine sealed.
- the piston 18 in the area of his in Fig. 3 upper end of a circumferential groove (without Reference numerals) into which a retaining ring 92 to secure the piston 18 against loss, for example for transport the piston pump 10 is inserted.
- FIG. 4 is another embodiment of a Fuel pump 10 shown.
- the embodiment shown Cylinder head 14 in Fig. 4 no apron section. Instead, the upper section 80 of the Cylinder head 14 only one axially over a short Distance-shaped guide ring 82 is formed, which opposite the cylinder 12 by an O-ring seal 46 is sealed.
- the annular Fastening part 52 is formed such that that section the through opening in the annular fastening part 52, which lies directly above the piston seal 19, is radially spaced somewhat from the piston 18. That one formed space between the annular Fastening part 52 and the piston 18 acts as Relief chamber 88, which via a connecting channel 90 in a manner not shown in FIG. 4 with the low pressure inlet 48 (or not in one illustrated embodiment with one to one Fuel tank leading return line) connected is. In this way, the piston seal 19 is also relieved. At the same time, the relief groove in the Cylinder 12, which further simplifies its manufacture.
- FIG. 5 one A fixing ring 52 is provided in the fuel pump 10, that in the region of the upper end of the cylinder 12 in FIG. 5 this is arranged radially surrounding.
- a circumferential groove (without Reference numerals) into which a retaining ring 96 is used.
- This in turn supports a paragraph (without reference number) on the inner surface of the Fastening ring 52 from.
- the clamping screws 58 with which the cylinder head 14 acts against the cylinder 12 is between the mounting ring 52 and the Cylinder head 14 clamped. Sealing the Cylinder head 14 opposite the cylinder 12 takes place in the 5 shown by an O-ring seal 46, which in an annular groove (without Reference numeral) is used in the cylinder head 14.
- a flange 69 is made in two parts in FIG. 5.
- Part 69a of the flange 69 serves as a pure clamping ring on the one hand via screws 68 on the housing 26
- Internal combustion engine is attached and on the other hand a circlip 98 supports, which in a circumferential groove (Without reference number) is inserted in the cylinder 12.
- a centering pin 100 is provided, which in corresponding Recesses (without reference numerals) on the one hand in the cylinder 12 and on the other hand engages in the clamping ring 69a.
- the other part 69b of the flange 69 is used for sealing between the cylinder 12, the piston 18 and the housing 26 the internal combustion engine. That is also in him Relief channel 90 through which the piston seal 19 is relieved.
- Fig. 6 In the embodiment shown in Fig. 6 is no ring-shaped fastening part available. Instead is the cylinder head 14 on the cylinder 12 by screws 58 attached, which the lower end face 44 of Cylinder head 14, which has an annular contact surface forms, penetrate.
- the clamping screws 58 work directly with a threaded bore (not shown) in the cylinder 12 together, their effective area 64 to the lower end face 44 of the cylinder head 14 immediately adjacent in the installed position is.
- the quantity control valve 16 is also with the Screws 58 attached to the cylinder head 14.
- a fuel system 102 is shown. This includes a fuel tank 104 from which fuel 106 promoted by an electric fuel pump 108 becomes. Via a low pressure fuel line 110 Fuel 106 to a high pressure fuel pump 10 promoted, which in the manner of one of the exemplary embodiments the fig. 1 - 6 is formed. From the high pressure fuel pump 10, the fuel 106 passes through a High pressure fuel line 112 to a high pressure fuel rail 114, which is commonly called "Rail" is called.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Figur 1
- einen teilweisen Längsschnitt durch ein erstes Ausführungsbeispiel einer Kraftstoffpumpe;
- Figur 2
- eine Ansicht in Richtung des Pfeiles II von Fig. 1;
- Figur 3
- eine Darstellung ähnlich Fig. 1 eines zweiten Ausführungsbeispiels einer Kraftstoffpumpe;
- Figur 4
- eine Darstellung ähnlich Fig. 1 eines dritten Ausführungsbeispiels einer Kraftstoffpumpe;
- Figur 5
- eine Darstellung ähnlich Fig. 1 eines vierten Ausführungsbeispiels einer Kraftstoffpumpe;
- Figur 6
- eine Darstellung ähnlich Fig. 1 eines fünften Ausführungsbeispiels einer Kraftstoffpumpe; und
- Figur 7
- eine Darstellung eines Kraftstoffsystems mit einer Kraftstoffpumpe entsprechend der Figuren 1 - 6.
Claims (16)
- Kraftstoffpumpe, insbesondere Hochdruck-Kraftstoffpumpe (10) für ein Kraftstoffsystem (102) einer Brennkraftmaschine mit Benzin-Direkteinspritzung, mit einem Kolben (18), mit Antriebsmitteln (24) zum Antrieb des Kolbens (18), mit einem Zylinder (12), in dem der Kolben (18) geführt ist, mit einem Zylinderkopf (14), der am Zylinder (12) mit einer insgesamt ringförmigen Kontaktfläche (44) anliegt, und mit mindestens einem Befestigungsmittel (58), mit dem der Zylinderkopf (14) mit der ringförmigen Kontaktfläche (44) gegen den Zylinder (12) beaufschlagt wird, dadurch gekennzeichnet, dass die ringförmige Kontaktfläche (44) und der Wirkbereich (64) des Befestigungsmittels (58) am Zylinderkopf (14), in Längsrichtung (66) des Zylinders (12) gesehen, im Wesentlichen auf gleicher Höhe liegen.
- Kraftstoffpumpe (10) nach Anspruch 1, dadurch gekennzeichnet, dass sie ein ringförmiges Befestigungsteil (52) umfasst, welches sich wenigstens mittelbar am Zylinder (12) abstützt, wobei das Befestigungsmittel (58) zwischen dem Befestigungsteil (52) und dem Zylinderkopf (14) verspannt ist.
- Kraftstoffpumpe (10) nach Anspruch 2, dadurch gekennzeichnet, dass sich das ringförmige Befestigungsteil (52) im Bereich des der Brennkraftmaschine zugewandten Endes des Zylinders (12) am Zylinder (12) abstützt und einen Befestigungsflansch (69) umfasst, mit dem die Kraftstoffpumpe (10) an einem Gehäuse (26) der Brennkraftmaschine befestigt werden kann.
- Kraftstoffpumpe (10) nach Anspruch 2, dadurch gekennzeichnet, dass sich das ringförmige Befestigungsteil (52) im Bereich des dem Zylinderkopf (14) zugewandten Endes des Zylinders (12) am Zylinder (12) abstützt.
- Kraftstoffpumpe (10) nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass sich das Befestigungsteil (52) an einem Ringelement (98) abstützt, welches in einer Umfangsnut im Zylinder (12) angeordnet ist.
- Kraftstoffpumpe (10) nach Anspruch 5, dadurch gekennzeichnet, dass die Winkellage des Befestigungsteils (52) gegenüber dem Zylinder (12) durch einen Stift (100) vorgegeben wird, welcher in entsprechende Ausnehmungen im Zylinder (12) und im Befestigungsteil (52) eingreift.
- Kraftstoffpumpe (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Befestigungsmittel eine Schraube (58) ist, welche in eine Gewindebohrung (62) im Zylinderkopf (14) eingeschraubt ist.
- Kraftstoffpumpe (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die ringförmige Kontaktfläche als Beißkante (44) ausgebildet ist.
- Kraftstoffpumpe (10) nach Anspruch 8, dadurch gekennzeichnet, dass der Zylinderkopf (14) einen den Zylinder (12) wenigstens bereichsweise radial umgebenden Schürzenabschnitt (82) aufweist, der gegenüber dem Zylinder (12) durch eine Ringdichtung (85) abgedichtet ist, wobei zwischen dem Schürzenabschnitt (82) und dem Zylinder (12) ein Ringraum (86) vorhanden ist, welcher mit einem Niederdruckbereich (48) der Kraftstoffpumpe (10) verbunden ist.
- Kraftstoffpumpe (10) nach Anspruch 1, dadurch gekennzeichnet, dass der Zylinderkopf (14) am Zylinder (12) mittels mindestens einer Schraube (58) befestigt ist, welche die ringförmige Kontaktfläche (44) durchdringt und mit einem Gewinde im Zylinder (12) oder im Zylinderkopf zusammenarbeitet, welches zu der Kontaktfläche (44) unmittelbar benachbart ist.
- Kraftstoffpumpe (10) nach Anspruch 10, dadurch gekennzeichnet, dass sie einen Befestigungsflansch (69) umfasst, mit dem die Kraftstoffpumpe (10) an dem Gehäuse (26) der Brennkraftmaschine befestigt werden kann, der an einem Ringelement (98) angreift, welches in einer Umfangsnut im Zylinder (12) angeordnet ist, wobei die Winkellage des Befestigungsflansches (69) gegenüber dem Zylinder (12) durch einen Stift (100) vorgegeben wird, der in entsprechende Ausnehmungen im Zylinder (12) und im Befestigungsflansch (69) eingreift.
- Kraftstoffpumpe (10) nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass eine Mehrzahl von Schrauben (58) vorgesehen ist, von denen einige mit einem Rechtsgewinde und einige mit einem Linksgewinde versehen sind.
- Kraftstoffpumpe (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die ringförmige Kontaktfläche (44) mit einem ringförmigen Absatz (34) am Zylinder (12) zusammenwirkt.
- Kraftstoffpumpe (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Hochdruck-Anschlussteil (40) umfasst, welches am Zylinderkopf (14) befestigt, vorzugsweise in diesen eingeschraubt ist.
- Kraftstoffpumpe (10) nach Anspruch 14, dadurch gekennzeichnet, dass das Hochdruck-Anschlussteil (40) im oder am Zylinder (12) abgedichtet ist.
- Kraftstoffpumpe (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Zylinder (12) Stahl und der Zylinderkopf (14) und/oder das Befestigungsteil (52, 94) Aluminium umfasst.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10134066 | 2001-07-13 | ||
DE2001134066 DE10134066A1 (de) | 2001-07-13 | 2001-07-13 | Kraftstoffpumpe, insbesondere Hochdruck-Kraftstoffpumpe für ein Kraftstoffsystem einer Brennkraftmaschine mit Benzin-Direkteinspritzung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1275845A2 true EP1275845A2 (de) | 2003-01-15 |
EP1275845A3 EP1275845A3 (de) | 2004-01-02 |
EP1275845B1 EP1275845B1 (de) | 2006-08-23 |
Family
ID=7691652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020011421 Expired - Lifetime EP1275845B1 (de) | 2001-07-13 | 2002-05-24 | Hochdruck-Kraftstoffpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1275845B1 (de) |
JP (1) | JP2003065175A (de) |
DE (2) | DE10134066A1 (de) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1657438A1 (de) * | 2004-11-16 | 2006-05-17 | Denso Corporation | Hochdruck-Kraftstoffpumpe |
WO2006069818A1 (de) * | 2004-12-28 | 2006-07-06 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere kraftstoff-hochdruckpumpe für eine brennkraftmaschine |
EP1707799A1 (de) * | 2005-03-30 | 2006-10-04 | Denso Corporation | Kraftstoffpumpe mit einem Plunger und dieselbe verwendendes Kraftstoffversorgungssystem |
WO2007028707A1 (de) * | 2005-09-06 | 2007-03-15 | Robert Bosch Gmbh | Kolbenpumpe mit reduziertem schadraum |
WO2008010051A1 (en) * | 2006-07-14 | 2008-01-24 | Toyota Jidosha Kabushiki Kaisha | Fuel pump support structure of an internal combustion engine and pump support bracket used in the fuel pump support structure |
WO2010091764A1 (de) * | 2009-02-13 | 2010-08-19 | Robert Bosch Gmbh | Modulare niederdruckeinheit und modulare pumpenanordnung |
WO2011098320A1 (de) * | 2010-02-12 | 2011-08-18 | Robert Bosch Gmbh | Zylinderkopf für eine kraftstoffhochdruckpumpe |
WO2011128150A1 (de) * | 2010-04-14 | 2011-10-20 | Robert Bosch Gmbh | Hochdruckpumpe |
ITMI20102082A1 (it) * | 2010-11-10 | 2012-05-11 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
WO2014206843A1 (de) * | 2013-06-26 | 2014-12-31 | Robert Bosch Gmbh | Hochdruckpumpe |
EP3088725A1 (de) | 2015-04-28 | 2016-11-02 | Magneti Marelli S.p.A. | Kraftstoffpumpe für ein direkteinspritzsystem mit reduzierter belastung an der laufbuchse des kolbens |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10322599B4 (de) * | 2003-05-20 | 2013-08-08 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Hochdruck-Kraftstoffpumpe |
DE102005007806A1 (de) * | 2004-12-28 | 2006-07-06 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Hochdruck-Kraftstoffpumpe für eine Brennkraftmaschine eines Kraftfahrzeugs |
JP4215000B2 (ja) | 2005-01-19 | 2009-01-28 | 株式会社デンソー | 高圧ポンプ |
JP4648254B2 (ja) * | 2006-06-22 | 2011-03-09 | 日立オートモティブシステムズ株式会社 | 高圧燃料ポンプ |
JP5082935B2 (ja) * | 2008-03-05 | 2012-11-28 | 株式会社デンソー | 高圧燃料ポンプ |
JP6369337B2 (ja) * | 2015-01-20 | 2018-08-08 | 株式会社デンソー | 高圧ポンプ及びその製造方法 |
JP2016133056A (ja) * | 2015-01-20 | 2016-07-25 | 株式会社デンソー | 高圧ポンプ及びその製造方法 |
IT201700098475A1 (it) * | 2017-09-01 | 2019-03-01 | Bosch Gmbh Robert | Gruppo pompa per alimentare carburante ad un motore a combustione interna |
DE102019130684A1 (de) * | 2019-11-14 | 2021-05-20 | Man Energy Solutions Se | Kolbenpumpe |
JP2023008576A (ja) * | 2021-07-06 | 2023-01-19 | 三菱重工エンジン&ターボチャージャ株式会社 | 燃料ポンプ |
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US2981575A (en) * | 1959-04-24 | 1961-04-25 | Southwest Oilfield Products In | Reciprocating pump cylinder head and liner retainer |
US4060350A (en) * | 1975-03-27 | 1977-11-29 | Vysoke Uceni Technicke | Cylinder head mounting arrangement for a diesel injection pump |
DE19747636A1 (de) * | 1997-10-29 | 1999-05-06 | Uhde Hochdrucktechnik Gmbh | Hochdruckpumpenventil |
EP0933524A2 (de) * | 1998-01-30 | 1999-08-04 | Mitsubishi Denki Kabushiki Kaisha | Brennstoffhochdruckpumpe |
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DE3404520C2 (de) * | 1984-02-09 | 1997-01-09 | Uraca Pumpen | Pumpe oder Hydraulikanlage |
JPS635158A (ja) * | 1986-06-24 | 1988-01-11 | Diesel Kiki Co Ltd | ユニツトインジエクタ− |
-
2001
- 2001-07-13 DE DE2001134066 patent/DE10134066A1/de not_active Ceased
-
2002
- 2002-05-24 DE DE50207909T patent/DE50207909D1/de not_active Expired - Lifetime
- 2002-05-24 EP EP20020011421 patent/EP1275845B1/de not_active Expired - Lifetime
- 2002-07-10 JP JP2002201577A patent/JP2003065175A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US2981575A (en) * | 1959-04-24 | 1961-04-25 | Southwest Oilfield Products In | Reciprocating pump cylinder head and liner retainer |
US4060350A (en) * | 1975-03-27 | 1977-11-29 | Vysoke Uceni Technicke | Cylinder head mounting arrangement for a diesel injection pump |
DE19747636A1 (de) * | 1997-10-29 | 1999-05-06 | Uhde Hochdrucktechnik Gmbh | Hochdruckpumpenventil |
EP0933524A2 (de) * | 1998-01-30 | 1999-08-04 | Mitsubishi Denki Kabushiki Kaisha | Brennstoffhochdruckpumpe |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1657438A1 (de) * | 2004-11-16 | 2006-05-17 | Denso Corporation | Hochdruck-Kraftstoffpumpe |
WO2006069818A1 (de) * | 2004-12-28 | 2006-07-06 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere kraftstoff-hochdruckpumpe für eine brennkraftmaschine |
EP1707799A1 (de) * | 2005-03-30 | 2006-10-04 | Denso Corporation | Kraftstoffpumpe mit einem Plunger und dieselbe verwendendes Kraftstoffversorgungssystem |
WO2007028707A1 (de) * | 2005-09-06 | 2007-03-15 | Robert Bosch Gmbh | Kolbenpumpe mit reduziertem schadraum |
WO2008010051A1 (en) * | 2006-07-14 | 2008-01-24 | Toyota Jidosha Kabushiki Kaisha | Fuel pump support structure of an internal combustion engine and pump support bracket used in the fuel pump support structure |
WO2010091764A1 (de) * | 2009-02-13 | 2010-08-19 | Robert Bosch Gmbh | Modulare niederdruckeinheit und modulare pumpenanordnung |
WO2011098320A1 (de) * | 2010-02-12 | 2011-08-18 | Robert Bosch Gmbh | Zylinderkopf für eine kraftstoffhochdruckpumpe |
WO2011128150A1 (de) * | 2010-04-14 | 2011-10-20 | Robert Bosch Gmbh | Hochdruckpumpe |
CN102859178A (zh) * | 2010-04-14 | 2013-01-02 | 罗伯特·博世有限公司 | 高压泵 |
CN102859178B (zh) * | 2010-04-14 | 2016-01-20 | 罗伯特·博世有限公司 | 高压泵 |
ITMI20102082A1 (it) * | 2010-11-10 | 2012-05-11 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
WO2014206843A1 (de) * | 2013-06-26 | 2014-12-31 | Robert Bosch Gmbh | Hochdruckpumpe |
EP3088725A1 (de) | 2015-04-28 | 2016-11-02 | Magneti Marelli S.p.A. | Kraftstoffpumpe für ein direkteinspritzsystem mit reduzierter belastung an der laufbuchse des kolbens |
Also Published As
Publication number | Publication date |
---|---|
EP1275845B1 (de) | 2006-08-23 |
DE50207909D1 (de) | 2006-10-05 |
EP1275845A3 (de) | 2004-01-02 |
DE10134066A1 (de) | 2003-02-06 |
JP2003065175A (ja) | 2003-03-05 |
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