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EP1045965B1 - Pompe d'injection de carburant - Google Patents

Pompe d'injection de carburant Download PDF

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Publication number
EP1045965B1
EP1045965B1 EP99971490A EP99971490A EP1045965B1 EP 1045965 B1 EP1045965 B1 EP 1045965B1 EP 99971490 A EP99971490 A EP 99971490A EP 99971490 A EP99971490 A EP 99971490A EP 1045965 B1 EP1045965 B1 EP 1045965B1
Authority
EP
European Patent Office
Prior art keywords
pressure
control
piston
fuel injection
space
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.)
Expired - Lifetime
Application number
EP99971490A
Other languages
German (de)
English (en)
Other versions
EP1045965A1 (fr
Inventor
Stuart-William Nicol
Stephan Jonas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1045965A1 publication Critical patent/EP1045965A1/fr
Application granted granted Critical
Publication of EP1045965B1 publication Critical patent/EP1045965B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • F02D1/183—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/14—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons
    • F02M41/1405—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis characterised by means for varying fuel delivery or injection timing
    • F02M41/1416—Devices specially adapted for angular adjustment of annular cam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • F02D1/183—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic
    • F02D2001/186—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic using a pressure-actuated piston for adjustment of a stationary cam or roller support

Definitions

  • the invention is based on a fuel injection pump the genus of claim 1.
  • the spray adjustment piston acts on the Cam drive and limited with one end in one cylinder a first pressure chamber and with its other Front side in the cylinder a second pressure chamber.
  • the second pressure chamber is acted upon by a pressure medium that the injection adjustment piston against one in the first pressure chamber arranged reset means adjusted.
  • a spool is slidable in the cylinder bore arranged against the force of a control spring can be actuated, the control slide in the Cylinder bore with control edges a pressure medium supply or control to or from one of the pressure rooms or both closes.
  • the second pressure chamber is constantly from that Pressure medium connected from a pressure source and the first Pressure chamber is only available with the one controlled by the control spool connecting the first pressure chamber with the pressure source Pressure medium inlet connectable.
  • DE 44 40 749 is a fuel injection pump known, in which the Spritzverstellkolben with its one Front side in the cylinder encloses the first pressure chamber and one with its other end in the cylinder Includes spring chamber that is relieved of pressure.
  • a control slide is provided, which can be actuated by a control piston. This control piston with its end protrudes into the second, the compression spring receiving pressure chamber and acts on the Control spool against the force of one on the control spool attacking return spring.
  • Control piston in a housing-fixed, from the second pressure chamber separate part on a piston, one side of a control pressure is applied to the control piston adjusted against a return spring, the Control spool for adjusting the spool under Action of its return spring follows.
  • the first one is used to adjust the injection adjustment piston Pressure chamber by one of the adjustment of the control spool pressure medium controlled relative to the control piston acted on by a radial bore in the Injection adjuster piston is fed to the spool.
  • a pressure medium supply that is constantly in contact with one Adjustment direction of the control piston extending groove in Connection is and from which the radial bore to the Control valve receiving cylinder bore leads.
  • the Injection plunger is thus through the one-sided inlet of the pressure medium acted upon by forces.
  • the second Pressure space exerted on the spray adjusting piston serves as a constant base load, which corresponds to the restoring force in the counteracts the first pressure chamber.
  • the restoring forces of the Resetting means in the first pressure chamber only work axially on the injection piston.
  • the Cam-receiving space as a relief space trained so that in the area of as an actuating arm realized mechanical connection of the cam drive with the adjusting piston also no high radial pressure the injection adjustment piston acts.
  • the Spray adjustment piston evenly through its adjustment means loaded. Accordingly, the frictional forces and thus the Wear between the injection piston and his him receiving cylinder wall is reduced.
  • FIG. 1 shows a first Embodiment of the invention based on a section by the injection adjuster of a fuel injection pump the radial piston type, of which only the cam ring of the Cam drive of the pump pistons of the fuel injection pump is shown
  • Figure 2 is a partial section through the Spray adjustment piston according to Figure 1 in a plane perpendicular to represent Figure 1
  • Figure 3 shows a section through the Spray adjustment piston along the line III-III
  • Figure 4 a section through the Spritzverstellkolben along the Line IV-IV
  • Figure 5 shows a second embodiment of the Invention with an alternative coupling of the Control spool with the control piston
  • Figure 6 a third Embodiment of the invention with a modified Control piston and a modified coupling of the Spool on the spool.
  • Fuel injection pumps of the distributor type can either with one as a distributor as well Pump piston serving, axially driven pump piston can be provided, or radial pistons can be provided be arranged radially in a in a distributor Promote the delivery channel.
  • the Pump piston by one of the drive shaft of the Fuel injection pump actuated moving cam drive.
  • Part of such a so-called radial piston pump is in the Section shown in Figure 1.
  • four pump pistons, not shown here, are provided at the same angular distance from each other radially to the axis of the Distributor radial radial holes of the distributor are mounted tightly displaceable.
  • the in a known manner during the radial outward stroke of the pump pistons is filled with fuel and the Pump piston via a pressure line with a Distributor opening on the outer surface of the distributor is connected, the distributor opening on the circumference of the Distributor controls outgoing injection lines, of which one each with the inward movement of the pump pistons fuel brought to injection pressure is supplied.
  • the distributor is driven in rotation by a drive shaft such that, on the one hand, the distributor opening is their Can perform control function and on the other hand the Pump piston in the circumferential direction along a cam track be moved. This construction is not closer here shown because it is assumed to be generally known.
  • cam track 2 Only part of the cam track 2 shown on the Inside of a cam ring 3 is arranged and the Follow the pump piston.
  • the cam ring 3 represents the essential stationary part of the cam drive Pump piston represents, while the moving the pump piston Facility that z. B. a the roller tappet of the pump piston leading ring or distributor that can be with the Drive shaft is coupled, the moving part of the Represents cam drive.
  • the cam ring is with his Outer circumference in a cylindrical recess 5 in the housing 6 the fuel injection pump and can be stored in one Plane perpendicular to the drive axis of the fuel injection pump be twisted.
  • the injection adjustment piston is sealed in a cylinder 11 displaceable and closes with its one end face 12 the closed end of the cylinder 11 a 1st pressure chamber 14 one and with its other end face 13 in there cylinder 11, likewise closed, has a second pressure chamber 15 on.
  • a return spring 16 is arranged in the first pressure chamber, one end of which is located on a cylinder 11 sealing part 17 and the other end itself on one end face 12 of the injection adjustment piston 10 is striven for and so anxious that Injection adjusting piston with its other end face 13 in Facing the cylinder 11 opposite closing wall 20 or a stop arranged there bring to.
  • the cam ring 3 has a torsion Coupling part in the form of an integral part of this radially outwardly projecting pin 7 by a Breakthrough 8 in the wall of the cylinder 11 from the Cam drive receiving interior 4 of the Fuel injection pump into a recess 9 of a Injection adjusting piston 10 is immersed.
  • a cylinder bore in the injection adjustment piston 10 22 provided in the form of an axial to the axis of Injection adjusting piston eccentrically located blind bore, the starts from one end face 12.
  • One used there Control slide 24 closes with its one Slide end 25 with the end of the blind hole a 3rd Pressure chamber 23, the one on the lateral surface 27 of the Spritzverstellkolben opening channel 26, constantly with the Breakthrough 8 to the pressure-relieved interior 4
  • Fuel injection pump is connected.
  • the other side sticks out the control spool in the 1st pressure chamber 14 and is there with a plunger 28 of a control piston 29 coupled.
  • This plunger has a spring plate 30 on which the one end is supported by a control spring 31, which is supports the other end on the closure part 17.
  • the pestle is in one coaxial to the axis of the injection adjustment piston Bore 32 of the closure member 17 out and protrudes into one Space in the form of a cylinder 33 inside the Closure part 17 is arranged.
  • the plunger goes in there a piston 34 which slides tightly in the cylinder and to the side of the 1st pressure chamber 14 together with the tappet 28 includes a working space 35 which has a bore 36 is supplied with pressure medium. The other side of the piston 34 is exposed to the pressure of a relief space.
  • control slide 24 has three through two grooves 42 separate ring collars, of which a first ring collar 43, is arranged to the side of the 1st pressure chamber 14 and a 1st Control edge 45 to which one with a Flow cross section 46 provided part of the spool then leads to the first pressure chamber 14.
  • the Flow is carried out in the form of a flattening 52, as can also be seen from the section in FIG. 3 but also have a different shape.
  • the middle ring collar 47 between the first collar 43 and the second collar 48 is used for hydraulic separation and guidance and has itself no tax function.
  • the second collar 48 has Side of the 3rd pressure chamber 23 a 2nd control edge 49.
  • the control slide 24 and the control piston 29 are located what is the pressurization in the first pressure chamber 14 concerns, in the balance of forces, since both in the area of first pressure chamber have the same diameter.
  • the control pressure fed into the working space 33 can be omitted derive the pressure prevailing in the second pressure chamber by for example, the working space 33 with a throttle Inlet to the second pressure chamber is connected and via a variable discharge throttle to the relief chamber are relieved can.
  • a solenoid valve can be used, which is clocked or adjusted accordingly becomes. This is done depending on Operating parameters that are not yet on the pressure of the Influenced pressure medium inflow to the second pressure chamber 15 to have.
  • the pressure in this pressure room is due to the Delivery pump generated and therefore speed-dependent.
  • the Rear of the piston 34 of the control piston is relieved of pressure so that leakage of pressure medium there can drain off.
  • Fuel is used as pressure medium, however, a separate pressure oil circuit can also be used become.
  • a throttle 55 is arranged, which prevents the second pressure chamber 15 at Impact load from the cam ring in the conveying phase of the Pump piston is too compliant.
  • FIG. 5 A second exemplary embodiment of the invention is shown in FIG. 5 shown.
  • This embodiment differs from first embodiment in that the control slide 124 now arranged coaxially to the injection adjusting piston 110 is, the recess 109 compared to the recess 9 in Embodiment of Figure 2 executed less deep is. Accordingly, the control slide 124 is now coaxial to the control piston 129, so that the connection between Control spool 124 and control piston 129 now simply through a pin 57 can be realized. That’s why in first pressure chamber 14 lying end of the control piston 129 pot-shaped, with a recess 58 into which the Immersed end 59 of the spool 124.
  • the Pot-shaped end 60 of the control piston 129 is transverse to the Axes of the control spool 124 or the axis of the Control piston 129 of pin 57 through corresponding holes guided.
  • the cup-shaped part 60 has an outer circumference Bund 61 on which a ring 62 is pushed or pressed is in registration with the ends of the cross pin 57 lies. Thus the pin is secured against shifting.
  • the Ring also serves as a support for the now End face 12 of the spray adjusting piston 110 supporting Control spring 131, which is able to hold the ring 62 in its Hold position.
  • Control piston 129 no longer specially shaped plunger.
  • the other in the 1st printing room 14 diving end of the control piston 129 then serves Coupling with the spool 124.
  • the in Figure 1 provided rear, with the relief space connected area of the control piston.
  • the Spool 124 and spool 129 the same from Area exposed to pressure in the first pressure chamber 14. The However, the working direction of the control piston 129 is now vice versa.
  • a Injection adjuster of a fuel injection pump achieved, its injection piston no longer one-sided and across the direction of adjustment is loaded by higher pressures.
  • the pin 7 far into the Injection adjusting piston 10 engage what the generation of Tipping torques reduced to the injection adjustment piston.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Claims (18)

  1. Pompe d'injection de carburant comportant un entraínement à cames pour au moins des pistons de pompe et comportant un piston régulateur d'injection (10) qui agit sur l'entraínement à cames, sert de régulation initiale d'injection, et délimite par l'un de ses côtés frontaux (12) dans un cylindre (11) une première chambre de pression (14) et par son autre côté frontal (13) dans le cylindre (11) une deuxième chambre de pression (15) alimentée par un agent de pression qui déplace le piston régulateur d'injection (10) en s'opposant à un moyen de rappel disposé dans la première chambre de pression (14) et comportant un tiroir de commande (24), disposé de façon à pouvoir se déplacer dans un alésage de cylindre (22), qui peut être manoeuvré en s'opposant à la force d'un ressort de commande (31) et le tiroir de commande (24) situé dans l'alésage de cylindre (22) commande, à l'aide des rampes hélicoïdales (45, 49), une amenée (50) de l'agent de pression aboutissant à l'une des chambres de pression (14, 15) ou bien un orifice de sortie (51) de l'agent de pression partant d'une des chambres de pression (14, 15) ou encore les ferme toutes deux, la deuxième chambre de pression (15) est alors constamment reliée par l'agent de pression issu d'une source de pression et la première chambre de pression (14) peut être reliée uniquement à l'amenée d'agent de pression (50) commandée par le tiroir de commande (24) et qui relie la première chambre de pression (14) à la source de pression ou peut être reliée à l'orifice de sortie d'agent de pression (51) qui relie la première chambre de pression (14) à une chambre de décharge ou la première chambre de pression (14) peut être complètement fermée,
    caractérisée en ce qu'
    un piston de commande (29) est relié, au moins de façon mécanique, en direction de réglage au tiroir de commande (24) et présente une surface, exposée à la pression dans la première chambre de pression (14) en direction de réglage, qui a la même taille que la surface du tiroir de commande (24) exposée à la pression dans la première chambre de pression (14) en direction de réglage.
  2. Pompe d'injection de carburant selon la revendication 1,
    caractérisée en ce qu'
    on prévoit un ressort de rappel (16) en tant que moyen de rappel outre la pression commandée par le tiroir de commande (24).
  3. Pompe d'injection de carburant selon la revendication 1 ou 2,
    caractérisée en ce que
    la pression de commande est réglée en fonction de la vitesse de rotation ou en outre en fonction d'autres paramètres de fonctionnement du moteur à combustion interne.
  4. Pompe d'injection de carburant selon la revendication 3,
    caractérisée en ce que
    la deuxième chambre de pression (15) est constamment reliée au côté refoulement d'une pompe d'alimentation qui sert à alimenter en carburant à basse pression la pompe d'injection de carburant.
  5. Pompe d'injection de carburant selon la revendication 4,
    caractérisée en ce que
    la pression de refoulement de la pompe d'alimentation change en fonction du nombre de tours d'entraínement de la pompe à carburant.
  6. Pompe d'injection de carburant selon la revendication 4,
    caractérisée en ce qu'
    un étranglement (55) est disposé dans la liaison entre la deuxième chambre de pression (15) et la pompe à carburant.
  7. Pompe d'injection de carburant suivant l'une des revendications 1 à 6,
    caractérisée en ce que
    le piston régulateur d'injection (10) présente sur sa surface latérale un creux (9) qui sert à recevoir un bras de réglage (7) relié à la chambre intérieure (4) de la pompe d'injection de carburant.
  8. Pompe d'injection de carburant suivant l'une des revendications 1 à 7,
    caractérisée en ce que
    dans le piston régulateur d'injection (10), en direction de l'axe, est disposé un alésage de cylindre (22) qui part d'un de ses côtés frontaux (12) contigu à la première chambre de pression (14), dans lequel le tiroir de commande (24) peut se déplacer et qui commande, à cet endroit, l'amenée (50) de l'agent de pression aboutissant à une des chambres de pression (14, 15) ou bien l'orifice de sortie (51) de l'agent de pression partant d'une des chambres de pression (14, 15) ou encore les ferme tous deux à l'aide des rampes hélicoïdales (45, 49) selon la position du tiroir de commande (24) par rapport au piston régulateur d'injection (10) ; le tiroir de commande (24) peut alors être manoeuvré par le piston de commande (29) qui présente une surface sur laquelle s'exerce une pression de commande en sens contraire de la force d'un ressort de commande (31) et se trouve dans une chambre (35) disposée dans une partie (17) solidaire du boítier et séparée du cylindre (11) et par l'un de ses côtés frontaux (25), le tiroir de commande (24), dans l'alésage de cylindre (22), entoure une troisième chambre de pression (23) constamment reliée à la chambre de décharge, de préférence à une chambre intérieure de pompe (4) qui reçoit l'entraínement à cames (3) de la pompe d'injection de carburant.
  9. Pompe d'injection de carburant selon l'une des revendications 1 à 8,
    caractérisée en ce que
    le tiroir de commande (24, 124, 224) présente une partie de piston comportant une première rampe hélicoïdale (45) qui commande l'amenée de l'agent de pression (50) vers la première chambre de pression (14)
    et une deuxième rampe hélicoïdale (49) qui commande l'orifice de sortie de l'agent de pression (51) partant de la première chambre de pression (14), par des sections transversales d'écoulement (52, 53) qui servent à guider l'agent de pression et se raccordent au tiroir de commande (24) sur ces rampes hélicoïdales, l'entrée de l'amenée de l'agent de pression (50) dans l'alésage de cylindre (22) et la sortie d'orifice de sortie de l'agent de pression (51) partant de l'alésage de cylindre (22) se trouvant décalées l'une par rapport à l'autre en direction de l'axe du tiroir de commande.
  10. Pompe d'injection de carburant selon la revendication 9,
    caractérisée en ce que
    la pression commandée par le tiroir de commande (24) dans la première chambre de pression (14) et un ressort de pression (16) qui s'appuie entre le piston régulateur d'injection (10) et le boítier dans la première chambre de pression (14) servent de moyen de rappel.
  11. Pompe d'injection de carburant selon la revendication 10,
    caractérisée en ce que
    le ressort de commande (31) du piston de commande (29, 129, 229) est disposé dans la première chambre de pression (14) et y est tendu entre la partie (17) solidaire du boítier et une cuvette de ressort (30) qui s'appuie sur le poussoir (28) du piston de commande (29, 129, 229).
  12. Pompe d'injection de carburant selon la revendication 10,
    caractérisée en ce que
    le ressort de commande (31) du piston de commande (29, 129, 229) est disposé dans la première chambre de pression (14) et y est tendu entre le piston de commande (29, 129, 229) et l'un des côtés frontaux (12) du piston régulateur d'injection (10.)
  13. Pompe d'injection de carburant selon les revendications 11 à 12,
    caractérisée en ce que
    le piston de commande (29) plonge dans la chambre disposée dans la partie de boítier (17) fixe et formée en tant que cylindre de commande et y sépare, par une partie de piston, une chambre de travail de commande d'une chambre de décharge.
  14. Pompe d'injection de carburant selon la revendication 10,
    caractérisée en ce que
    le piston de commande (229) plonge dans la chambre (233) formée et disposée dans la partie de boítier (17) fixe et il y est alimenté par le ressort de commande (231) qui s'appuie sur un épaulement (66) de la rampe hélicoïdale (229) à l'une de ses extrémités et contre la partie de boítier (17) fixe à son autre extrémité.
  15. Pompe d'injection de carburant selon l'une des revendications 1 à 14,
    caractérisée en ce que
    la liaison mécanique entre le tiroir de commande (24) et le piston de commande (29) est une liaison par griffes, le tiroir de commande (24) étant guidé dans un alésage de cylindre (22) disposé en décalé par rapport à l'axe du piston régulateur d'injection (10).
  16. Pompe d'injection de carburant selon l'une des revendications 1 à 14,
    caractérisée en ce que
    la liaison mécanique entre le tiroir de commande (24, 124, 224) et le piston de commande (29, 129, 229) est une liaison par broches (57).
  17. Pompe d'injection de carburant selon la revendication 16,
    caractérisée en ce que
    la liaison par broches se compose d'une extrémité (60) en forme de creuset à l'une des extrémités - voisines l'une de l'autre - du piston de commande (129) ou du tiroir de commande (124) dans laquelle plonge l'autre extrémité du tiroir de commande (124) ou du piston de commande (129) et y est maintenue au moyen d'une broche transversale (57), guidée par la paroi de l'extrémité (60) en forme de creuset et par l'extrémité - qui y plonge - du tiroir de commande (124 ), la broche transversale à son tour est fixée par un anneau (62) qui peut être enfilé ou pressé sur l'extrémité (60) en forme de creuset et qui sert en même temps de support au ressort de commande (131) par ailleurs guidé sur la partie restante en forme de creuset.
  18. Pompe d'injection de carburant selon la revendication 17,
    caractérisée en ce que
    sous l'effet du ressort de commande (131), l'anneau (62) est maintenu en contact contre une attache extérieure (61) de l'extrémité (60) en forme de creuset.
EP99971490A 1998-10-29 1999-10-13 Pompe d'injection de carburant Expired - Lifetime EP1045965B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19849925A DE19849925A1 (de) 1998-10-29 1998-10-29 Kraftstoffeinspritzpumpe
DE19849925 1998-10-29
PCT/DE1999/003282 WO2000026520A1 (fr) 1998-10-29 1999-10-13 Pompe d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1045965A1 EP1045965A1 (fr) 2000-10-25
EP1045965B1 true EP1045965B1 (fr) 2004-07-14

Family

ID=7886079

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99971490A Expired - Lifetime EP1045965B1 (fr) 1998-10-29 1999-10-13 Pompe d'injection de carburant

Country Status (5)

Country Link
US (1) US6453880B1 (fr)
EP (1) EP1045965B1 (fr)
JP (1) JP2002529637A (fr)
DE (2) DE19849925A1 (fr)
WO (1) WO2000026520A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156338B4 (de) * 2001-11-16 2005-05-04 Robert Bosch Gmbh Einspritzpumpe mit Kaltstartbeschleunigung für direkteinspritzende Verbrennungskraftmaschinen
JP4052220B2 (ja) * 2003-10-08 2008-02-27 株式会社デンソー 燃料噴射ポンプ
KR101573136B1 (ko) * 2014-03-25 2015-12-01 현대중공업 주식회사 연료분사장치

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US4037573A (en) * 1976-05-21 1977-07-26 Stanadyne, Inc. Timing control for fuel injection pump
DE2839014A1 (de) * 1978-09-07 1980-03-20 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen
GB2064821B (en) * 1979-11-02 1983-02-02 Lucas Industries Ltd Fuel injection pump timing apparatus
US4329961A (en) * 1980-09-29 1982-05-18 General Motors Corporation Diesel injection pump timing control with electronic adjustment
JPS5786533A (en) * 1980-11-15 1982-05-29 Diesel Kiki Co Ltd Regulating device of injection timing in distributor type fuel injection pump
JPS6141840U (ja) * 1984-06-12 1986-03-17 株式会社ボッシュオートモーティブ システム 分配型燃料噴射ポンプの噴射時期調整装置
JPH03188427A (ja) * 1989-12-19 1991-08-16 Zexel Corp 分配型燃料噴射ポンプの噴射時期制御装置
DE4440749A1 (de) * 1994-11-15 1996-05-23 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
JP3560711B2 (ja) * 1995-04-07 2004-09-02 株式会社日本自動車部品総合研究所 燃料噴射ポンプの噴射時期制御装置
DE19533807A1 (de) * 1995-09-13 1997-03-20 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
DE19629947A1 (de) * 1996-07-25 1998-01-29 Opel Adam Ag Kraftstoffeinspritzpumpe mit einem der Spritzbeginnverstellung dienenden Spritzverstell-Kolben
DE19640678A1 (de) * 1996-10-02 1998-04-09 Bosch Gmbh Robert Kraftstoffeinspritzpumpe mit einem der Spritzbeginnverstellung dienenden Spritzverstellkolben

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JP2002529637A (ja) 2002-09-10
DE19849925A1 (de) 2000-05-04
US6453880B1 (en) 2002-09-24
EP1045965A1 (fr) 2000-10-25
WO2000026520A1 (fr) 2000-05-11
DE59909958D1 (de) 2004-08-19

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