WO2005090790A1 - Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine - Google Patents
Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine Download PDFInfo
- Publication number
- WO2005090790A1 WO2005090790A1 PCT/EP2005/050193 EP2005050193W WO2005090790A1 WO 2005090790 A1 WO2005090790 A1 WO 2005090790A1 EP 2005050193 W EP2005050193 W EP 2005050193W WO 2005090790 A1 WO2005090790 A1 WO 2005090790A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- bore
- valve member
- housing part
- valve
- Prior art date
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
- 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
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
-
- 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
- F02M59/46—Valves
- F02M59/464—Inlet valves of the check valve type
-
- 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
- F02M59/485—Means for fixing delivery valve casing and barrel to each other or to pump casing
-
- 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
- F04B1/0452—Distribution members, e.g. valves
-
- 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
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Definitions
- High-pressure pump in particular for a fuel injection device of an internal combustion engine
- the invention is based on a high-pressure pump, in particular for a fuel injection device of an internal combustion engine according to the preamble of claim 1.
- Such a high pressure pump is known from DE 197 29 790 AI.
- This high-pressure pump has at least one pump element, with a pump piston which is displaceably guided in a cylinder bore of a housing part of the high-pressure pump and is driven in a stroke movement.
- the pump piston limits one in the cylinder bore
- the inlet valve has a piston-shaped valve member which is displaceably guided in a valve housing connected to the housing part of the high-pressure pump.
- the valve member has a sealing surface with which it interacts with a valve seat formed on the valve housing for controlling a connection of the pump work space to a fuel inlet.
- the valve member is acted upon by a closing spring arranged in the valve housing and by the pressure prevailing in the pump work space in the closing direction towards the valve seat and acted upon by the pressure prevailing in the fuel supply in the opening direction.
- the fuel inlet opens into the valve housing, the valve housing, together with the valve member and the closing spring, forming a preassembled structural unit, which in the housing part of the high pressure pump is used. Due to the separate valve housing, the high-pressure pump is complex to manufacture and thus expensive. In addition, the valve housing of the pump work space is covered, so that between the
- the high-pressure pump according to the invention with the features according to claim 1 has the advantage that no separate valve housing and therefore no sealing to the high pressure in the pump work space is required for the inlet valve.
- the valve member is inserted from the inside of the cylinder bore with its stem ahead, and the closing spring is attached from the outside of the housing part opposite the cylinder bore and connected to the stem of the valve member.
- the embodiment according to claim 2 enables an easy to manufacture course of the fuel feed.
- the embodiment according to claim 4 enables the valve member to be guided and thus a reliable sealing effect of the inlet valve and low wear of the sealing surface and the valve seat.
- the embodiment according to claim 5 enables a secure sealing effect of the inlet valve even without guiding the valve member.
- FIG. 1 shows a high-pressure pump for a fuel injection device
- FIG. 2 shows a section of the high-pressure pump, designated II in FIG. 1, with an inlet valve in an enlarged representation according to a first exemplary embodiment
- FIG. 3 shows section II with an inlet valve according to a second exemplary embodiment.
- the high-pressure pump has a multi-part pump housing 10 in which a drive shaft 12 which can be driven in rotation by the internal combustion engine is rotatably mounted.
- the drive shaft 12 is rotatably mounted in a base body 14 of the housing 10 via two bearing points spaced apart in the direction of the axis of rotation 13 of the drive shaft 12.
- the base body 14 of the housing 10 can in turn be formed in several parts and the bearing points can be arranged in different parts of the base body 14.
- the base body 14 consists of a material with the strength required for the mounting of the drive shaft 12, in particular of light metal such as aluminum or an aluminum alloy.
- the drive shaft 12 has at least one section 16 eccentric to its axis of rotation 13 or a cam, the cam 16 also being a multiple cam can be trained.
- the high-pressure pump has at least one or more pump elements 18 arranged in the pump housing 10, each with a pump piston 20, which is driven by the eccentric section 16 or the cam of the drive shaft 12 in a stroke movement in at least approximately radial direction to the axis of rotation 13 of the drive shaft 12.
- a housing part 22 which is connected to the base body 14 and is designed as a cylinder head.
- the housing part 22 has a flange 24 which bears on an outer side of the base body 14 and an approximately cylindrical projection 26 which projects through an opening 15 in the base body 14 towards the drive shaft 12 and has a smaller diameter than the flange 24.
- the pump piston 20 is guided such that it can be moved in a sealed manner in a cylinder bore 28 formed in the housing part 22 and, with its end face remote from the drive shaft 12, limits one in the cylinder bore 28
- the pump chamber 30 is disposed of the housing part 22 in the '' ⁇ portion of the flange 24 and the bore 28 extends up to the of the drive shaft 12 facing the end of the projection 26 of the housing part 22.
- the pump chamber 30 has extending over a in the pump housing 10
- Fuel inlet channel 32 has a connection to a fuel inlet, for example a feed pump.
- At the mouth of the fuel inlet channel 32 into the pump work chamber 30 there is an inlet valve 34 which opens into the pump work chamber 30.
- the pump work chamber 30 also has an outlet valve 34 in the pump housing 10
- Fuel drain channel 36 has a connection to an outlet, which is connected, for example, to a high-pressure accumulator 110.
- a high-pressure accumulator 110 With the high-pressure accumulator 110, one or preferably more are on the cylinders of the Internal combustion engine arranged injectors 120 connected through which fuel is injected into the cylinders of the internal combustion engine.
- injectors 120 At the mouth of the
- the housing part 22 consists of a material with high strength, since there is high pressure in the pump working chamber 30 during the delivery stroke of the pump piston 20.
- the housing part 22 can be made of steel or cast iron, for example.
- a support element in the form of a tappet 40 can be arranged between the pump piston 20 and the eccentric section 16 or cam of the drive shaft 12, via which the pump piston 20 is supported at least indirectly on the cam 16.
- the pump piston 20 is coupled to the tappet 40 in a manner not shown in the direction of its longitudinal axis 21.
- the tappet 40 can be supported directly on the eccentric section 16 or cam.
- a ring 42 on which the tappet 40 bears can be rotatably mounted on the section 16 of the drive shaft 12.
- Ring 42 has a flattened area 44 for each pump element 18, on which the plunger 40 bears.
- the pump piston 20 is driven in a stroke movement via the ring 42 and the tappet 40, the ring 42 not rotating with the drive shaft 12, but being stationary.
- the tappet 40 is displaceably mounted in the base body 14 of the pump housing 10 or on the housing part 22 and absorbs transverse forces that occur when the rotary movement of the drive shaft 12 is converted into the stroke movement of the pump piston 20, so that these do not act on the pump piston 20.
- a preloaded return spring 48 acts on the plunger 40, by means of which the plunger 40 and the pump piston 20 connected to it are pressed toward the section 16.
- the inlet valve 34 according to a first exemplary embodiment is described below with reference to FIG. 2.
- a bore 50 adjoins the cylinder bore 28 of the housing part 22 toward the outside of the housing part 22 facing away from the drive shaft 12 and has a smaller diameter than the cylinder bore 28.
- An annular shoulder is formed at the transition from the cylinder bore 28 to the bore 50 which is formed a valve seat 52 which, for example, is at least approximately frustoconical.
- a further hole 54 with a substantially larger diameter adjoins the hole 50.
- the inlet valve 34 has a piston-shaped valve member 56 which has a head 58 which is arranged in the pump work chamber 30 and thus in the cylinder bore 28.
- a sealing surface 60 is formed, which is preferably convex.
- the sealing surface 60 can be at least approximately spherical.
- At the head 58 of the valve member 56 closes in
- Shaft 62 smaller in diameter than head 58, which projects through bore 50 into further bore 54, which forms a region of housing part 22 facing away from pump working space 30.
- a prestressed closing spring 64 which is designed as a helical compression spring, is arranged in the further bore 54.
- the closing spring 64 is supported on the one hand on an annular shoulder 55 formed at the transition of the bore 50 into the further bore 54 on the housing part 22 and on the other hand via a connection to the shaft 62
- valve member 56 is thus acted upon in the closing direction by the closing spring 64, the valve member 56 resting in its closed position with its sealing surface 60 on the valve seat 52.
- the diameter of the stem 62 of the valve member 56 is smaller than the diameter of the bore 50, so that A flow cross section in the form of an annular gap 63 remains between the shaft 62 and the bore 50.
- the further bore 54 is sealed off from the outside of the housing part 22 by means of a closure element 68 which is inserted into the bore 54.
- the closure element 68 can be designed as a closure screw, for example, which has an external thread with which it engages
- closure element 68 can also be connected in another way to the housing part 22, for example pressed into the bore 54 or welded to the housing part 22.
- An elastic sealing element 70 for example in the form of an O-ring, is clamped between the closure element 68 and the bore 54 for sealing.
- the closure element 68 has on its side facing the valve member 56 a recess 69, for example in the form of a blind bore, in which the stem 62 of the
- the closure element 68 does not extend all the way to the annular shoulder at the transition from the further bore 54 to the bore 50, so that a space 72 is delimited in the further bore 54 by the closure element 68.
- the room opens into room 72
- Fuel inlet channel 32 which communicates with the annular gap 63 between the bore 50 and the valve member 56.
- the bores 50, 54 and the valve seat 52 can be produced on the housing part 22 in a simple manner, since the valve seat 52 before the assembly of the housing part 22 with the base body 14 from the inside of the
- Cylinder bore 28 is accessible for processing.
- the valve member 56 is inserted before the assembly of the housing part 22 with the base body 14 from the inside of the cylinder bore 28 with its stem 62 so that it protrudes through the bore 50 to the outside, then the closing spring 64 and the spring plate 66 are mounted and finally the closure element 68 inserted.
- FIG. 3 shows the inlet valve 34 according to a second exemplary embodiment, which is modified compared to the first exemplary embodiment in such a way that a guide for the valve member 56 is provided.
- the cylinder bore 28 is followed by the bore 50 with a smaller diameter, but here has a first section 150 opening into the cylinder bore 28 and a second section 250 opening into the further bore 54 with a smaller diameter than the first section 150 ,
- the valve seat 52 is arranged, which for example is at least approximately frustoconical.
- the transition from the first bore section 150 to the second bore section 250 can run at least approximately in the shape of a truncated cone.
- the bore sections 150, 250 are arranged in a shoulder 74 of the housing part 22, which projects into a recess 76 formed on the outside of the housing part 22.
- the first bore section 150 is connected to the recess 76 via at least one, preferably a plurality of bores 78 in the extension 74 of the housing part 22.
- the valve member 56 has the head 58 arranged in the pump work chamber 30 with the sealing surface 60, which, for example, is convexly curved, in particular at least approximately spherical, or at least approximately frustoconical.
- the head 62 is followed by the smaller-diameter stem 62 of the valve member 56, the stem 62 in the second Bore section 250 is slidably guided and a flow cross-section in the form of an annular gap 63 is present between the first bore section 150 and the shaft 62.
- the spring plate 66 is connected to the end region of the stem 62 of the valve member 56 protruding from the bore section 250, between which and the bottom of the recess 76 the closing spring 64 is clamped.
- the recess 76 is outwardly by means of a
- Closure element 68 tightly closed, wherein the closure element 68 can be screwed, pressed or welded to the housing part 22.
- the closure element 68 delimits a space 72 in the recess 76 into which the fuel inlet 32 opens, the space 72 being connected via the bores 78 to the annular gap 63 surrounding the stem 62 of the valve member 56.
- fuel flows out of the recess 76 through the bores 78 into the annular gap 63 and out of this into the pump work chamber 30
- valve member 56 Opening and closing movement, the valve member 56 with • - • out its shank 62 in the second bore portion 250th
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
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05707796T ATE449260T1 (de) | 2004-03-18 | 2005-01-18 | Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine |
JP2007503314A JP4395534B2 (ja) | 2004-03-18 | 2005-01-18 | 高圧ポンプ、特に内燃機関の燃料噴射装置のための高圧ポンプ |
US10/593,326 US7363913B2 (en) | 2004-03-18 | 2005-01-18 | High-pressure pump for a fuel injection system of an internal combustion engine |
EP05707796A EP1727983B1 (de) | 2004-03-18 | 2005-01-18 | Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine |
DE502005008539T DE502005008539D1 (de) | 2004-03-18 | 2005-01-18 | Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004013244A DE102004013244A1 (de) | 2004-03-18 | 2004-03-18 | Hochdruckpumpe, insbesondere für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
DE102004013244.5 | 2004-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005090790A1 true WO2005090790A1 (de) | 2005-09-29 |
Family
ID=34960413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/050193 WO2005090790A1 (de) | 2004-03-18 | 2005-01-18 | Hochdruckpumpe, insbesondere für eine kraftstoffeinspritzeinrichtung einer brennkraftmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US7363913B2 (de) |
EP (1) | EP1727983B1 (de) |
JP (1) | JP4395534B2 (de) |
CN (1) | CN100417814C (de) |
AT (1) | ATE449260T1 (de) |
DE (2) | DE102004013244A1 (de) |
WO (1) | WO2005090790A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008111396A (ja) * | 2006-10-31 | 2008-05-15 | Denso Corp | 高圧燃料ポンプの製造方法 |
ITMI20101934A1 (it) * | 2010-10-21 | 2012-04-22 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
CN102454574A (zh) * | 2010-10-17 | 2012-05-16 | 向英 | 一种醇基燃料输送方法及醇基燃料燃烧机专用泵 |
EP2530318A3 (de) * | 2011-06-04 | 2013-08-14 | Robert Bosch GmbH | Vormontiertes Gehäuse und Verfahren zum Vormontieren |
WO2016102138A1 (en) * | 2014-12-24 | 2016-06-30 | Robert Bosch Gmbh | Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine |
ITUB20159778A1 (it) * | 2015-12-30 | 2017-06-30 | Bosch Gmbh Robert | Pompa per alimentare carburante ad alta pressione ad un motore a combustione interna |
WO2017133906A1 (de) * | 2016-02-03 | 2017-08-10 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe und kraftstoffeinspritzsystem |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009043798A1 (de) * | 2007-09-28 | 2009-04-09 | ESV Werkzeuge und Zubehör für die elektrische Stromverteilung GmbH | Mobile hydraulikpumpe für hydraulisch zu betreibende werkzeuge |
DE102007047417A1 (de) * | 2007-10-04 | 2009-04-09 | Robert Bosch Gmbh | Kolbenpumpe zur Förderung eines Fluids und zugehöriges Bremssystem |
DE102008009226A1 (de) | 2008-02-05 | 2009-12-17 | Vladimir Volchkov | Hochdruckpumpe |
DE102008000824A1 (de) * | 2008-03-26 | 2009-10-01 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
GB0812888D0 (en) * | 2008-07-15 | 2008-08-20 | Delphi Tech Inc | Improvements relating to fuel pumps |
DE102008050657A1 (de) | 2008-09-22 | 2010-03-25 | Vladimir Volchkov | Triebwerk einer mit Nockenwelle angetriebenen Hubkolbenmaschine |
DE102008057089A1 (de) * | 2008-11-13 | 2010-05-20 | Continental Mechanical Components Germany Gmbh | Pumpeneinheit für eine Hochdruckpumpe |
DE102009001440A1 (de) | 2009-03-10 | 2010-09-16 | Robert Bosch Gmbh | Hochdruckpumpe |
DE102009001463A1 (de) | 2009-03-11 | 2010-09-16 | Robert Bosch Gmbh | Hochdruckpumpe |
EP2278163A1 (de) * | 2009-07-20 | 2011-01-26 | Delphi Technologies Holding S.à.r.l. | Pumpenanordnung |
DE102010027745A1 (de) * | 2010-04-14 | 2011-10-20 | Robert Bosch Gmbh | Hochdruckpumpe |
DE102010031390B4 (de) * | 2010-07-15 | 2018-08-09 | Man Diesel & Turbo Se | Saugventil einer Kraftstoffversorgungsanlage einer Brennkraftmaschine |
DE102010046929A1 (de) * | 2010-09-29 | 2012-03-29 | Robert Bosch Gmbh | Dichtbuchsenanordnung und hydraulisches Gerät |
CN103403333B (zh) * | 2011-02-10 | 2015-10-21 | 本田技研工业株式会社 | 燃料箱的密封结构及具备该燃料箱的密封结构的车辆 |
ITMI20120243A1 (it) * | 2012-02-17 | 2013-08-18 | Bosch Gmbh Robert | Valvola di aspirazione e gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
DE102013210861A1 (de) * | 2013-06-11 | 2014-12-11 | Robert Bosch Gmbh | Pumpe |
DE102013212479A1 (de) | 2013-06-27 | 2014-12-31 | Robert Bosch Gmbh | Einlassventil für eine Pumpe und Pumpe mit Einlassventil |
DE102013218895A1 (de) | 2013-09-20 | 2015-03-26 | Robert Bosch Gmbh | Einlassventil für eine Pumpe und Pumpe mit Einlassventil |
DE102013220247A1 (de) | 2013-10-08 | 2015-04-09 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
GB201501282D0 (en) * | 2015-01-27 | 2015-03-11 | Delphi International Operations Luxembourg S.�.R.L. | Plunger assembly |
DE102015203345A1 (de) | 2015-02-25 | 2016-08-25 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
DE102016220360A1 (de) | 2016-10-18 | 2018-04-19 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
US11692521B2 (en) | 2021-09-08 | 2023-07-04 | Robert Bosch Gmbh | Fitting connection assembly for a fluid delivery system |
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US302978A (en) * | 1884-08-05 | Air-compressor | ||
US1445073A (en) * | 1919-10-25 | 1923-02-13 | Corpl Domenico | Portable compressor |
DE19729790A1 (de) * | 1997-07-11 | 1999-01-14 | Bosch Gmbh Robert | Radialkolbenpumpe zur Kraftstoffhochdruckversorgung |
DE10221305A1 (de) * | 2002-05-14 | 2003-11-27 | Bosch Gmbh Robert | Radialkolbenpumpe für Kraftstoffeinspritzsystem mit verbesserter Hochdruckfestigkeit |
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DE3505229A1 (de) * | 1985-02-05 | 1986-08-07 | Gebrüder Sulzer AG, Winterthur | Vorrichtung zum einspritzen von in einer fluessigkeit aufgeschwemmten, feinteiligem, festem brennstoff in den brennraum einer hubkolbenbrennkraftmaschine |
US5133645A (en) * | 1990-07-16 | 1992-07-28 | Diesel Technology Corporation | Common rail fuel injection system |
US5230613A (en) * | 1990-07-16 | 1993-07-27 | Diesel Technology Company | Common rail fuel injection system |
DE4323683A1 (de) * | 1993-07-15 | 1995-01-19 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe |
DE19717494A1 (de) * | 1997-04-25 | 1998-10-29 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe der Verteilerbauart |
DE50211835D1 (de) * | 2001-04-06 | 2008-04-17 | Bosch Gmbh Robert | Einstempel-einspritzpumpe für ein common-rail-kraftstoffeinspritzsystem |
ITBO20020498A1 (it) * | 2002-07-30 | 2004-01-30 | Magneti Marelli Powertrain Spa | Impianto di iniezione di carburante di tipo common rail con pompa a portata variabile |
-
2004
- 2004-03-18 DE DE102004013244A patent/DE102004013244A1/de not_active Withdrawn
-
2005
- 2005-01-18 EP EP05707796A patent/EP1727983B1/de active Active
- 2005-01-18 WO PCT/EP2005/050193 patent/WO2005090790A1/de active Application Filing
- 2005-01-18 US US10/593,326 patent/US7363913B2/en active Active
- 2005-01-18 AT AT05707796T patent/ATE449260T1/de not_active IP Right Cessation
- 2005-01-18 DE DE502005008539T patent/DE502005008539D1/de active Active
- 2005-01-18 CN CNB2005800087108A patent/CN100417814C/zh active Active
- 2005-01-18 JP JP2007503314A patent/JP4395534B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US302978A (en) * | 1884-08-05 | Air-compressor | ||
US1445073A (en) * | 1919-10-25 | 1923-02-13 | Corpl Domenico | Portable compressor |
DE19729790A1 (de) * | 1997-07-11 | 1999-01-14 | Bosch Gmbh Robert | Radialkolbenpumpe zur Kraftstoffhochdruckversorgung |
DE10221305A1 (de) * | 2002-05-14 | 2003-11-27 | Bosch Gmbh Robert | Radialkolbenpumpe für Kraftstoffeinspritzsystem mit verbesserter Hochdruckfestigkeit |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008111396A (ja) * | 2006-10-31 | 2008-05-15 | Denso Corp | 高圧燃料ポンプの製造方法 |
CN102454574A (zh) * | 2010-10-17 | 2012-05-16 | 向英 | 一种醇基燃料输送方法及醇基燃料燃烧机专用泵 |
ITMI20101934A1 (it) * | 2010-10-21 | 2012-04-22 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
EP2530318A3 (de) * | 2011-06-04 | 2013-08-14 | Robert Bosch GmbH | Vormontiertes Gehäuse und Verfahren zum Vormontieren |
WO2016102138A1 (en) * | 2014-12-24 | 2016-06-30 | Robert Bosch Gmbh | Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine |
US10288023B2 (en) | 2014-12-24 | 2019-05-14 | Robert Bosch Gmbh | Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine |
ITUB20159778A1 (it) * | 2015-12-30 | 2017-06-30 | Bosch Gmbh Robert | Pompa per alimentare carburante ad alta pressione ad un motore a combustione interna |
WO2017133906A1 (de) * | 2016-02-03 | 2017-08-10 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe und kraftstoffeinspritzsystem |
CN108603477A (zh) * | 2016-02-03 | 2018-09-28 | 大陆汽车有限公司 | 高压燃料泵和燃料喷射*** |
Also Published As
Publication number | Publication date |
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CN100417814C (zh) | 2008-09-10 |
DE502005008539D1 (de) | 2009-12-31 |
US7363913B2 (en) | 2008-04-29 |
CN1934357A (zh) | 2007-03-21 |
JP2007529675A (ja) | 2007-10-25 |
EP1727983B1 (de) | 2009-11-18 |
JP4395534B2 (ja) | 2010-01-13 |
US20070215113A1 (en) | 2007-09-20 |
DE102004013244A1 (de) | 2005-10-06 |
ATE449260T1 (de) | 2009-12-15 |
EP1727983A1 (de) | 2006-12-06 |
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