EP0823020B1 - Soupape d'injection de carburant - Google Patents

Soupape d'injection de carburant Download PDF

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Publication number
EP0823020B1
EP0823020B1 EP96923860A EP96923860A EP0823020B1 EP 0823020 B1 EP0823020 B1 EP 0823020B1 EP 96923860 A EP96923860 A EP 96923860A EP 96923860 A EP96923860 A EP 96923860A EP 0823020 B1 EP0823020 B1 EP 0823020B1
Authority
EP
European Patent Office
Prior art keywords
shut
fuel
fuel injection
injection valve
air
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
EP96923860A
Other languages
German (de)
English (en)
Other versions
EP0823020A1 (fr
Inventor
Uwe Grytz
Stefan Lauter
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 EP0823020A1 publication Critical patent/EP0823020A1/fr
Application granted granted Critical
Publication of EP0823020B1 publication Critical patent/EP0823020B1/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/048—Injectors peculiar thereto having variable fuel outlets, e.g. controlled by a valve actuated by operator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
    • F02B31/08—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets
    • F02B31/085—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets having two inlet valves
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1853—Orifice plates
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/047—Injectors peculiar thereto injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles

Definitions

  • the invention is based on a fuel injector in one Internal combustion engine according to the type of the main claim. It's already a Fuel injector known (U.S. Patent 4,982,716) in which the different intake ports of a cylinder directed fuel jets always hosed off at the same time become.
  • a Fuel injector known U.S. Patent 4,982,716
  • this has the disadvantage that if in certain operating states of the internal combustion engine like idle and lower part load one of the at least two Intake valves are turned off to determine performance the internal combustion engine in terms of consumption and To improve exhaust emissions, at least one of the separated fuel jets in an undesirable manner on the closed inlet valve hits.
  • JP-A-4005469 Fuel injector in an internal combustion engine disclosed, which has a housing at the end of the injection Spray hole is formed, from which a single Fuel jet into a single channel Front body occurs, this channel downstream in two individual channels is divided. Each of these individual channels can be shut off by its own shut-off element be, each shut-off element within the Front body is arranged.
  • EP-PS 0 242 978 is also known Fuel injector with a downstream of the Valve seat surface arranged perforated disc, in the six Spray openings are provided, each consisting of three jets emerging individual jets so are directed towards each other that two separate Fuel jets result, with each fuel jet in an intake port of a cylinder of the internal combustion engine is directed. This fuel injector too the fuel is then separated over the two Jets of fuel into the two inlet channels each Engine cylinder injected when one of the intake valves closed is.
  • a fuel injector is also known (SAE Technical Paper Series 920 294, 1992; Development of Air-Assisted Injector System), to which an adapter with a Beam splitter is provided, by means of which the Injector hosed fuel in two Fuel jets is split, which through air ducts for processing air is supplied by a Control valve is controllable by a bypass line the throttle valve in the intake pipe of the internal combustion engine branches. The control valve opens and closes a closing element the air line to the Fuel injectors and with another Closing member the bypass line around the throttle valve.
  • the fuel injector according to the invention with the has characteristic features of the main claim in contrast, the advantage that in a simple manner certain operating conditions of the internal combustion engine such as Idling and lower part load only over the open Inlet valve or the open inlet valves Fuel is supplied to each cylinder of the internal combustion engine will while in these particular operating conditions the closed intake valves or the closed inlet valve no fuel is stored upstream. As a result, in addition to the fuel consumption Reduce the proportion of harmful exhaust gas components and that Transitional behavior between the operating states improve.
  • Blocking element to move through air that the Fuel injection valve for the preparation of the hosed Fuel is supplied. It is also there advantageous in the air line to the shut-off element Use control valve through which the air line can be partially or fully closed to the Shut-off element according to the respective needs of the To operate the internal combustion engine exactly.
  • FIG. 1b is a schematic Representation of the injection of two separate Fuel jets through a fuel injector two inlet channels of a cylinder of an internal combustion engine
  • Figures 2a to 2c a control valve in different Switch positions
  • Figure 3 shows a first embodiment one designed according to the invention Fuel injector with a shut-off in not locking position
  • Figure 4 shows a section along the line IV-IV in Figure 3
  • Figure 5 is a fuel injector according to the first embodiment of Figure 3 with a shut-off element located in the locked position
  • FIG. 1b is a schematic Representation of the injection of two separate Fuel jets through a fuel injector two inlet channels of a cylinder of an internal combustion engine
  • Figures 2a to 2c a control valve in different Switch positions
  • Figure 3 shows a first embodiment one designed according to the invention Fuel injector with a shut-off in not locking position
  • Figure 4 shows a section along the line IV-IV in Figure 3
  • Figure 5 is a fuel injector according to the first embodiment of Figure 3
  • FIG. 6 a section along the line VI-VI in Figure 5
  • Figure 7 a second embodiment of an according to the invention a fuel injector provided with a shut-off element, whose shut-off element is in the locked position
  • Figure 8 shows a section along the line VIII-VIII in FIG. 7.
  • FIG. 1a shows a cylinder of a mixture-compressing, spark-ignited internal combustion engine shown at least has an inlet opening 2 through an inlet valve 3rd is opened or closed.
  • the internal combustion engine in particular by lean operation and Charge stratification, today become the cylinders of the Internal combustion engine often with two or more intake valves as well as exhaust valves.
  • Figure 1b shows one Cylinder with two inlet openings 2, in which for simpler representation, the inlet valves 3 omitted were.
  • a spark plug 5 is used to ignite the cylinder 1 compressed fuel-air mixture, and two Outlet openings 6, not shown Exhaust valves are controlled, lead to the exhaust pipe 7th the internal combustion engine.
  • each inlet opening 2 an inlet channel 10
  • the two inlet channels 10 upstream of the partition 9 to one assigned to the respective cylinder Combine single suction pipe 11.
  • Protrudes into the individual suction pipe 11 partially an injection end of a fuel injector 13 spraying two separate fuel jets 14 each with a fuel jet 14 in the direction of a Inlet channel 10 or an inlet opening 2 is directed.
  • FIG. 1b in Figure la of the cylinder 1, two intake valves 3 and two Inlet openings 2 through a single Fuel injector 13 are supplied with fuel.
  • the cylinder 1 also have only one inlet valve 3 and one inlet opening 2, while the fuel injector 13 is still so is formed that there are at least two separate Fuel jets in the direction of the inlet duct 10 or the inlet opening 2. It can the direction of the separated fuel jets 14 very precisely chosen and a favorable operating behavior of the Internal combustion engine to be adjusted.
  • the individual suction pipe 11 starts from a distributor 15, from neither the individual suction pipes to the others branch cylinders of the internal combustion engine shown. Upstream of the distributor is the suction pipe 17 with the Throttle valve 18 by the driver by means of a non accelerator pedal shown is actuated.
  • the Control body 22 Upstream of the Throttle valve 18 branches from the intake manifold 17, an air bypass 19 from, in which a control valve 21 is arranged, the Control body 22 continuously different positions can take to close the air bypass 19, a Connection from air bypass to one Fuel injection valve 13 leading air line 23 and then at the same time a connection from the air bypass 19 one downstream of the throttle valve 18 to the intake manifold 17 produce leading inflow line 25 and around finally the connection to the air line 23 completely to block and only the connection to the inflow line 25th keep open.
  • the control valve 21 is, for example operated by an electric motor and by an electronic one Control device 26 controlled via electrical lines. By the electronic control unit 26 also takes place via electrical lines controlling the electromagnetic actuable fuel injector 13.
  • Dem electronic control unit are converted into electrical signals converted measured values of operating parameters of the Internal combustion engine supplied, for example the speed 27, the load 28 according to the angle of rotation of the throttle valve 18, the temperature 29 of the internal combustion engine, the Oxygen concentration 30 in the exhaust pipe 7 and others.
  • FIGs 2a, 2b and 2c this is a rotary valve trained and for example electromotive driven control valve 21 as shown in Figure la again shown in simplified form and in different Control positions shown, the selected in Figure 1a Reference numerals have been retained.
  • the one as a rotary valve trained control body 22 is not by one shown electric motor rotatable and has in cross section the shape of a segment of a circle with an indentation 32, the of a first sealing lip 33 and a second sealing lip 34 of the control body 22 is limited. At a Rotary movement of the control body 22 runs clockwise first sealing lip 33 ahead of the second sealing lip 34.
  • the Control body 22 is rotatable in a working space 36 stored with which the air bypass 19, the air line 23 and the inflow line 25 are connected.
  • the second sealing surface 38 also limits the mouth of the air line 23 in the Working space 36, clockwise from a third Sealing surface 39 is limited.
  • the Control body 22 a position in which the first Sealing lip 33 partially the second sealing surface 38 and covers third sealing surface 39 and second sealing lip 34 the first sealing surface 37, so that in each case the connection of the air bypass 19 to the air line 23 and the inflow line 25 is interrupted.
  • the control body 22 rotated clockwise, the second one overlaps Sealing lip 34 continues the first sealing surface 37 while the first sealing lip 33 extends from the second sealing surface 38 moved away and thus a connection via the indentation 32 from the air bypass 19 to the air line 23 opens.
  • the figure 2b shows a position of the control body 22 in which one Flow connection from the air bypass 19 to the air line 23 is opened by the control body 22, but the second Sealing lip 34 is just as far with the first Sealing surface 37 covers that no air flow from Air bypass 19 to the inflow line 25 takes place.
  • FIG. 3 An example of one is already shown in FIG. 3 known fuel injector 13 for Fuel injection systems from mixture compressors partially ignited internal combustion engines partially shown, the one at its spray end 41, for example Plastic manufactured attachment body 42 carries.
  • the Spray end 41 of fuel injector 13 is in a nozzle body 43 formed with a in Longitudinal guide channel 45 is provided in which a movable valve closing member 46, for example a valve needle is slidably mounted.
  • the spray end 41 facing the guide channel 45 goes into a valve seat 47 with which the valve closing member 46 cooperates.
  • In The direction of flow of the valve seat surface 47 goes into one Outflow opening 49, which extends up to a Extends nozzle body end face 50.
  • the exemplary embodiment lies on the nozzle body end face 50 a spray plate 51 and is with this for example by a circumferential sealing seam with radial Distance to the outflow opening 49 tightly connected.
  • the Overlap with the outflow opening 49 are in the Spray plate 51 in the embodiment of Figure 3 for example at least two spray holes 53 are provided, which extends up to a lower end face 54 of the Extend spray plate 51.
  • the actuation of the Fuel injection valve is carried out in a known manner for example electromagnetic.
  • For the axial movement of the Valve closing member 46 and thus for opening against the Spring force of a return spring, not shown or closing the fuel injector serves an electromagnetic circuit with one magnet coil shown, an armature and a core.
  • the Anchor is with the end facing away from the valve seat surface 47 of the valve closing member 46 and connected to the core aligned.
  • the attachment body 42 consists, for example, of a stepped tubular air guide body 55 and one Spray body 57.
  • Spray body 57 is cup-shaped formed with a bottom 58 to which a Squirt end 41 of fuel injector 13 encompassing ring rim 59 connects.
  • Fuel injection valve 13 is a circumferential locking groove 61 formed into an at least partially circumferential Latch on the inner wall of the ring rim 49 latching engages and thus the spray body 57 at the spray end 41st of the fuel injector fixed.
  • annular groove 63 is a elastic sealing ring 65 arranged on the radial Pressing a stepped inner wall 66 of the Air guide body 55 is tight.
  • the air guide body 55 extends in the axial direction over the ring rim 59 beyond and partially beyond the case to which he is not in illustrated manner is sealed.
  • the Inner wall 66 of the air guide body 55 with exception the sealed points on the sealing ring 65 and on the circumference of the Housing of the fuel injector 13 a radial Distance to the spray body 57 and the housing of the Fuel injector, so that between the inner wall 66 and the exterior of the fuel injector and the Ring edge 59 an annular air space 67 is formed, the with the air line 23 via an air nozzle 69 in Connection is established.
  • Axially approximately in the area of the bottom 58 of the Spray body 57 is on the circumference of the air guide body 55 an annular groove 70 formed in which an elastic Sealing ring 71 is arranged, which when inserting the Fuel injection valve 13 with the arranged thereon Attachment body 42 in a valve channel 73 ( Figure 1a) Wall of the individual intake pipe 11, the intake pipe atmosphere seals against the outside.
  • the bottom 58 of the Injection body 57 has one in the direction of Spray plate 51 uplifting dome 74, between which the Spray plate 51 facing end surface 75 and lower end face 54 of the spray perforated disk, a gap 76 is formed.
  • each guide channel 78 Starting from the end face 75 of the dome 74 extend through the bottom 58 of the spray body 57 at least two guide channels 78 that are approximately aligned the assigned spray holes 53 are inclined in such a way that in the direction of flow the distance to a Valve longitudinal axis 79 and each other is larger.
  • the spray jet 53 exits fuel jet 14 is sprayed according to the dash-dotted lines.
  • each fuel jet 14 can also pass through Combine two and more from individual Spray holes emerging individual jets are formed.
  • At least a third can also be in the spray body 57 Guide channel 78 to form another Fuel jet 14 may be provided.
  • Cross to Longitudinal valve axis 79 penetrates the ring rim 59 of the Ab body 57 a sliding channel 80 in which a Sliding section 82 of a shut-off element 83 essentially is tightly but slidably mounted.
  • the shut-off element 83 also has a tongue-shaped web section 84, which with the cuboid sliding section 82 is connected and on which a sealing section 86 is formed.
  • dome groove 87 which on the Web section 84 is aligned, and to which the Web section 84 with its spray plate 51 is facing away from the lower surface 94, namely in its not blocking starting position in such a way that it does not enter the Guide channel 78 protrudes.
  • the sealing section 86 which faces away from the dom groove 87 also in a position in which he is on the lower Face 54 of the spray orifice plate 51 abuts, but none Spray hole 53 covered.
  • the spring arms 88 can now be achieved that a Displacement of the shut-off element 83 in its at least one Spray hole 53 and a guide channel 78 blocking Position to the left only takes place when idling and lower part-load operation of the internal combustion engine Air pressure difference between the individual suction pipe 11 and the Intake pipe 17 upstream of the throttle valve 18 large enough for a shift. As shown in FIG. 1a, is the air space 67 with the intake manifold 17th upstream of the throttle valve 18 in connection and lies thus almost at atmospheric pressure.
  • Figures 5 and 6 show this Embodiment according to Figures 3 and 4 with one in Shut-off valve 83 located in its left position and at least one Spray hole 53 and a guide channel 78 blocks.
  • the Arrows 92 indicate the air flow from air space 67 that from the sliding channel 80 into the interior of the spray body 57 moved sliding section 82 over to the gap 76 reached and there in the unlocked left Guide channel 78 on through the at least one blocked spray hole sprayed fuel jet 14 hits and is hosed with this treatment.
  • Figures 7 and 8 show like Figures 5 and 6 also a fuel injector with the described Attachment body 42 and one in the locked position shut-off element 83, but is in the Embodiment according to FIGS. 7 and 8 of the dome 74 so high, that it is on the lower end face 54 of the spray plate 51 bears outside the dome groove 87, while between the lower surface 94 of the web portion 84 and the dome groove 87 an axial groove gap 95 is formed, over which the Air space 67 in the shut-off position of the shut-off element 83 in the inside of the spray body 57 air flowing into the shut-off spray hole 53 associated guide channel 78 can flow.
  • Such a configuration is then useful when the hosed fuel jet is on "hard" cord (pencil-stream) should be, so with very small beam cone angle.

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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)

Claims (12)

  1. Injecteur destiné à injecter du carburant dans un moteur à combustion interne (1), avec au moins deux jets de carburant (14) distincts injectés dans les canaux d'admission (10) ou en direction d'orifices d'admission (2) commandés par des soupapes d'admission (3) d'un cylindre de moteur à combustion interne, notamment dans des canaux d'admission différents ou des orifices d'admission d'un cylindre, ainsi qu'avec un élément d'arrêt (83) qui est mobile dans une position dépendant des conditions de fonctionnement du moteur à combustion interne (1), dans laquelle cet élément coupe au moins l'un des jets de carburant (14) et l'élément de fermeture (83) est monté mobile dans un adaptateur (42) prévu à l'extrémité d'éjection (41) de l'injecteur (13), cet adaptateur étant traversé par des canaux de guidage (78) par lesquels est éjecté le jet de carburant respectif (14),
    caractérisé en ce qu'
    à l'extrémité d'éjection (14) de l'injecteur (13) il est prévu un disque à orifices d'éjection (51) avec au moins deux orifices d'éjection (53) pour former au moins deux jets de carburant (14), et l'élément d'arrêt (83) possède un segment d'étanchéité (86) qui s'applique contre le disque à orifices (51) et qui permet de fermer au moins un orifice d'éjection (53).
  2. Injecteur selon la revendication 1,
    caractérisé en ce que
    l'élément de fermeture (83) coulisse transversalement à l'axe longitudinal de l'injecteur (79).
  3. Injecteur selon la revendication 2,
    caractérisé en ce que
    le coulissement de l'élément de fermeture (83) en direction d'une coupure d'au moins un jet de carburant (14) s'effectue par un fluide ou électromagnétiquement contre une force de rappel (88).
  4. Injecteur selon la revendication 3,
    caractérisé en ce que
    la force de rappel est assurée par des bras de ressorts (88) formés sur l'élément de fermeture (83).
  5. Injecteur selon la revendication 4,
    caractérisé en ce que
    des bras élastiques (88) pénètrent dans des rainures de guidage (90) de l'adaptateur (42).
  6. Injecteur selon la revendication 1,
    caractérisé en ce que
    l'élément de fermeture (83) a un segment de glissement (82) guidé dans l'adaptateur (42).
  7. Injecteur selon la revendication 3,
    caractérisé en ce qu'
    une conduite d'air (23) part de la tubulure d'aspiration (17) du moteur à combustion interne (1) en amont d'un volet d'étranglement (18) vers l'adaptateur (42), et l'élément de fermeture (83) est déplacé par l'air.
  8. Injecteur selon la revendication 7,
    caractérisé en ce que
    l'air qui déplace l'élément de fermeture (83) dans au moins une position coupant le jet de carburant (14) est guidé par l'adaptateur (42) pour arriver au moins sur un jet de carburant (14) non coupé.
  9. Injecteur selon la revendication 8,
    caractérisé en ce que
    la conduite d'air (23) peut être fermée partiellement ou totalement par une vanne de commande (21).
  10. Injecteur selon la revendication 1,
    caractérisé en ce que
    l'élément de fermeture (83) ferme en même temps un orifice d'éjection (53) du disque à orifices d'éjection (51) et un canal de guidage (78) de l'adaptateur (42).
  11. Injecteur selon la revendication 1,
    caractérisé en ce que
    l'élément d'arrêt (83) peut fermer au moins un orifice d'éjection (53) du disque à orifices d'éjection (51), et l'air ne peut être conduit que par le canal de guidage (78) associé.
  12. Injecteur selon la revendication 9,
    caractérisé en ce que
    la vanne de commande (21) est une vanne de réglage de ralenti qui assure la régulation de ralenti du moteur (1) par une dérivation (19) contournant le volet d'étranglement (18).
EP96923860A 1995-09-21 1996-07-18 Soupape d'injection de carburant Expired - Lifetime EP0823020B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19535047A DE19535047A1 (de) 1995-09-21 1995-09-21 Brennstoffeinspritzventil
DE19535047 1995-09-21
PCT/DE1996/001302 WO1997011270A1 (fr) 1995-09-21 1996-07-18 Soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP0823020A1 EP0823020A1 (fr) 1998-02-11
EP0823020B1 true EP0823020B1 (fr) 2001-06-20

Family

ID=7772747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96923860A Expired - Lifetime EP0823020B1 (fr) 1995-09-21 1996-07-18 Soupape d'injection de carburant

Country Status (5)

Country Link
US (1) US5819707A (fr)
EP (1) EP0823020B1 (fr)
JP (1) JPH10509495A (fr)
DE (2) DE19535047A1 (fr)
WO (1) WO1997011270A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11311140A (ja) * 1998-04-27 1999-11-09 Yamaha Motor Co Ltd エンジンの吸気装置
DE10115282B4 (de) * 2000-03-29 2006-03-02 Hitachi, Ltd. Einlaßluftsteuervorrichtung und Brennkraftmaschine, in der sie montiert ist
JP3848526B2 (ja) * 2000-09-12 2006-11-22 本田技研工業株式会社 エンジンの燃料噴射弁配置構造
US8096280B2 (en) * 2005-02-04 2012-01-17 AADI Inc. Fuel injection system and fuel injector with improved spray generation
FR2909416B1 (fr) * 2006-11-30 2009-01-16 Inst Francais Du Petrole Moteur suralimente a combustion interne et a balayage des gaz brules avec au moins deux moyens d'admission
DE102010040169A1 (de) * 2010-09-02 2012-03-08 Robert Bosch Gmbh Vorrichtung zur Drosselung einer Fluidströmung und korrespondierende Kolbenpumpe zur Förderung von Fluiden
JP6311472B2 (ja) * 2014-06-16 2018-04-18 株式会社デンソー 燃料噴射弁

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01167458A (ja) * 1987-12-21 1989-07-03 Fuji Heavy Ind Ltd 燃料噴射装置
JPH045469A (ja) * 1990-04-23 1992-01-09 Nissan Motor Co Ltd 燃料噴射装置
DE4104019C1 (fr) * 1991-02-09 1992-04-23 Robert Bosch Gmbh, 7000 Stuttgart, De
JPH0681755A (ja) * 1992-09-02 1994-03-22 Nissan Motor Co Ltd 内燃機関の燃料供給装置
JPH06299935A (ja) * 1993-04-14 1994-10-25 Nippon Soken Inc 多孔燃料噴射弁の噴射燃料分配比制御装置
JPH07151039A (ja) * 1993-11-26 1995-06-13 Suzuki Motor Corp 燃料噴射制御装置
FR2720114B1 (fr) * 1994-05-20 1996-06-21 Inst Francais Du Petrole Procédé et dispositif de préparation d'un mélange carbure dans un moteur quatre temps à allumage commandé.
DE4420063A1 (de) * 1994-06-08 1995-12-14 Bayerische Motoren Werke Ag Kraftstoff-Einspritzventil mit mehreren Abspritzöffnungen, für eine gemischverdichtende Brennkraftmaschine
JPH0821342A (ja) * 1994-07-07 1996-01-23 Yamaha Motor Co Ltd 燃料噴射式エンジン
FR2722541B1 (fr) * 1994-07-12 1996-09-20 Magneti Marelli France Sa Injecteur de carburant "bi-jet" a aassistance pneumatique de pulverisation, pour moteur a combustioninterne alimente par injection
US5636613A (en) * 1994-11-10 1997-06-10 Yamaha Hatsudoki Kabushiki Kaisha Cylinder head porting arrangement for multi-valve engine

Also Published As

Publication number Publication date
DE59607134D1 (de) 2001-07-26
US5819707A (en) 1998-10-13
EP0823020A1 (fr) 1998-02-11
DE19535047A1 (de) 1997-03-27
JPH10509495A (ja) 1998-09-14
WO1997011270A1 (fr) 1997-03-27

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