FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
    1.
    发明申请
    FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES 审中-公开
    燃料喷射装置,用于内燃机

    公开(公告)号:WO00039451A1

    公开(公告)日:2000-07-06

    申请号:PCT/DE1999/003721

    申请日:1999-11-24

    Abstract: Disclosed is a fuel injection device for internal combustion engines. Said device supplies fuel from a high pressure fuel source (1) to fuel injection valves (9) controlled by a control device (10). The fuel injection device has an injection valve member (12) that is impinged upon by the supplied high pressure fuel via an exposed annular area (14) and that can be opened for effecting injection. The fuel is supplied by means of a pressure line (10a, 10b). The passage of fuel is controlled by a control valve (20) whose control valve is movable in a valve chamber (24) between two valve seats (30, 31) and which controls the connection between the high pressure fuel source (1) and the fuel injection valve (9) for effecting a preinjection and a main injection.

    Abstract translation: 它提出了一种用于内燃机的燃料喷射装置,包括一个高压燃料源(1)的,燃料喷射阀(9)与由控制装置(10)控制的燃料供给。 在这种情况下,燃料喷射阀具有能够通过压力肩(14)被连接的喷射阀构件(12)经供给到高压燃料作用并因此打开以执行注射。 燃料供给经由压力管线实现(10A,10B),其中通道是由一个控制阀(20)控制,在两个阀座(30,31)之间的阀间隙(24)的控制阀构件是可移动的,从而用于预喷射和主喷射, 该高压燃料源(1),并通过阀空间的燃料喷射阀(9)(24)的控制之间的连接。

    DIRECT FUEL INJECTORS WITH VARIABLE INJECTON FLOW RATE
    2.
    发明申请
    DIRECT FUEL INJECTORS WITH VARIABLE INJECTON FLOW RATE 审中-公开
    直接燃油喷射器具有可变的喷射流量

    公开(公告)号:WO2014107487A1

    公开(公告)日:2014-07-10

    申请号:PCT/US2014/010033

    申请日:2014-01-02

    Abstract: An injector is designed to provide continuously variable injection rate shaping. With a hydro-mechanical internal feedback mechanism, injector needle position can be determined by controlling a feedback valve's on/off timing. According to the needle position, an injection needle valve opening can be controlled, and then the injection flow rate can be delivered proportionally. Also in accordance with the present invention a CRDI systems are provided including injectors of the present invention, wherein results demonstrate that injector designs of the present invention not only achieve rate shaping capability but also solve the above-noted problems of the current CRDI system. Finally, an iterative learning controller has also been developed to track the desired injection rate, and an injection rate estimator is designed to realize a cycle to cycle feedback control.

    Abstract translation: 喷射器被设计成提供连续可变的喷射速率成形。 通过水力机械内部反馈机构,可以通过控制反馈阀的开/关定时来确定喷射器针位置。 根据针位置,可以控制注射针阀开口,然后可以成比例地输送注射流量。 根据本发明,还提供了包括本发明的喷射器的CRDI系统,其结果表明,本发明的喷射器设计不仅实现了速率整形能力,而且解决了当前CRDI系统的上述问题。 最后,还开发了一种迭代学习控制器来跟踪所需的注入速率,并且注入速率估计器被设计成实现循环以循环反馈控制。

    METHOD FOR PROVIDING A CONTROLLED INJECTION RATE AND INJECTION PRESSURE IN A FUEL INJECTOR ASSEMBLY
    3.
    发明申请
    METHOD FOR PROVIDING A CONTROLLED INJECTION RATE AND INJECTION PRESSURE IN A FUEL INJECTOR ASSEMBLY 审中-公开
    在燃油喷射器总成中提供控制喷射速度和喷射压力的方法

    公开(公告)号:WO2005054655B1

    公开(公告)日:2006-08-24

    申请号:PCT/US2004039072

    申请日:2004-11-19

    Inventor: STRAUB ROBERT D

    Abstract: A method for controlling injection rate and injection pressure of an electromagnetic fuel injector assembly having a pressure balanced control valve including a solenoid and a valve member subject to the pressure developed by the injector and actuated by the solenoid to close the valve member against the biasing force of a spring. The control valve is supported in a valve bore in an injector body. The method includes the step of providing a first level of current to the solenoid for moving the valve member from an open to a closed position allowing the pressure in the injector to rise, providing a regulated current to the solenoid at preselected times during the injector event to unbalance the forces acting on the valve member thereby slightly unseating the valve member to regulate injection pressure and injection rate of the fuel injector, and ending solenoid current delivery thereby moving the valve member to its open position.

    Abstract translation: 一种用于控制电磁燃料喷射器组件的喷射速率和喷射压力的方法,其具有压力平衡控制阀,该压力平衡控制阀包括电磁阀和受到由喷射器显影并由螺线管驱动的压力的阀构件,以抵抗偏压力 的春天 控制阀被支撑在喷射器主体中的阀孔中。 该方法包括向螺线管提供第一级电流以将阀构件从打开位置移动到关闭位置的步骤,允许喷射器中的压力升高,在喷射器事件期间预先选定的时间提供调节电流到螺线管 使作用在阀构件上的力不平衡,从而稍微地使阀构件转动,以调节燃料喷射器的喷射压力和喷射速率,并且结束螺线管电流输送,从而将阀构件移动到其打开位置。

    STORAGE TYPE FUEL INJECTION DEVICE
    4.
    发明申请
    STORAGE TYPE FUEL INJECTION DEVICE 审中-公开
    储存型燃油喷射装置

    公开(公告)号:WO1997008452A1

    公开(公告)日:1997-03-06

    申请号:PCT/JP1996002218

    申请日:1996-08-06

    Abstract: A storage type fuel injection device which comprises a needle valve (6) for closing an injection nozzle (11) having a nozzle hole (14) formed at a leading end thereof, a balance chamber (5) formed in casing (2) so as to impart a fuel pressure to a head portion of the needle valve (6), a supply path including a slit (10) for supplying fuel from a fuel supply port (19) to the balance chamber (5), a discharge path (20) which is an orifice for discharging fuel from the balance chamber (5), and a solenoid valve (22) for opening and closing the discharge path (20), wherein the lift of a valve disc (26) of the solenoid valve (22) is controlled by a lift control means comprising a stopper (28) the position of which is controlled by a lift control mechanism (23), wherein the open area of the discharge path (20) which is an orifice is increased and/or decreased in accordance with the lift of the valve disc (26), and wherein the lift of the needle valve (6) is set in such a manner that the open area of the slit (10) facing the balance chamber (5) is increased and/or decreased according to the flow rate of fuel passing through the discharge path (20), whereby the opening of the injection nozzle (11) is increased and/or decreased.

    Abstract translation: 一种存储型燃料喷射装置,包括用于封闭其前端形成有喷嘴孔(14)的喷嘴(11)的针阀(6),形成在壳体(2)中的平衡室(5) 向所述针阀(6)的头部施加燃料压力,所述供给路径包括用于从燃料供给口(19)向所述平衡室(5)供给燃料的狭缝(10),排出路径(20) ),其是用于从所述平衡室(5)排出燃料的孔口,以及用于打开和关闭所述排放路径(20)的电磁阀(22),其中,所述电磁阀(22)的阀盘(26)的升程 )由包括止挡件(28)的升降控制装置控制,所述止挡件(28)的位置由提升控制机构(23)控制,其中作为孔口的排出路径(20)的开口面积增加和/或减小 根据所述阀盘(26)的升程,并且其中所述针阀(6)的提升被设定成使得打开的 根据通过排出路径(20)的燃料的流量,面对平衡室(5)的狭缝(10)的内径增加和/或减小,由此喷嘴(11)的开口增加和/ 或减少。

    VERFAHREN ZUM BETREIBEN EINES PIEZO-SERVO-INJEKTORS
    5.
    发明申请
    VERFAHREN ZUM BETREIBEN EINES PIEZO-SERVO-INJEKTORS 审中-公开
    一种用于操作压电动力注射器

    公开(公告)号:WO2015074793A1

    公开(公告)日:2015-05-28

    申请号:PCT/EP2014/070963

    申请日:2014-09-30

    Inventor: ZHANG, Hong

    Abstract: Es wird ein Verfahren zum Betreiben eines Injektors einer Brennkraftmaschine, dessen Düsennadel von einem Piezo-Aktuator über ein Servoventil betrieben wird, beschrieben. Der Leerhub des Piezo-Aktuators wird durch Aufrechterhaltung einer permanenten Direktkraftanbindung zwischen Piezo-Aktuator und Servoventil eliminiert, so dass eine Kraftänderung auf das Servoventil durch Ventilraumdruckänderung beim Öffnen und Schließen des Servoventils und beim Schließen der Düsennadel des Injektors immer als Kraftänderung auf den Piezo-Aktuator übertragen wird. Die hierdurch bewirkte Spannungs-und/oder Kapazitätsänderung des Piezo-Aktuators wird erfasst, und hieraus werden Parameter ermittelt, mit denen die vom Injektor abgegebene Einspritzmenge geregelt wird. Auf diese Weise lässt sich eine besondere hohe Mengendosierungsgenauigkeit erreichen.

    Abstract translation: 有一种操作内燃机的喷射器的方法,该喷嘴针由压电致动器通过一伺服阀,描述操作。 压电致动器的空闲行程由保持压电致动器和伺服阀之间的永久直接电力连接消除,使得在力通过阀室压力变化的伺服阀打开和伺服阀的开闭和关闭喷射器的喷嘴针的总是作为在压电致动器的力的变化过程中的变化 传输。 压电致动器的因而感应电压和/或容量被检测,并且它们的参数被确定,与从喷射器喷射量的输出被控制。 通过这种方式,一个特殊的高节奏的精度可以达到。

    METHOD FOR PROVIDING A CONTROLLED INJECTION RATE AND INJECTION PRESSURE IN A FUEL INJECTOR ASSEMBLY
    6.
    发明申请
    METHOD FOR PROVIDING A CONTROLLED INJECTION RATE AND INJECTION PRESSURE IN A FUEL INJECTOR ASSEMBLY 审中-公开
    在燃油喷射器总成中提供控制喷射速度和喷射压力的方法

    公开(公告)号:WO2005054655A2

    公开(公告)日:2005-06-16

    申请号:PCT/US2004039072

    申请日:2004-11-19

    Inventor: STRAUB ROBERT D

    Abstract: A method for controlling injection rate and injection pressure of an electromagnetic fuel injector assembly having a pressure balanced control valve including a solenoid and a valve member subject to the pressure developed by the injector and actuated by the solenoid to close the valve member against the biasing force of a spring. The control valve is supported in a valve bore in an injector body. The method includes the step of providing a first level of current to the solenoid for moving the valve member from an open to a closed position allowing the pressure in the injector to rise, providing a regulated current to the solenoid at preselected times during the injector event to unbalance the forces acting on the valve member thereby slightly unseating the valve member to regulate injection pressure and injection rate of the fuel injector, and ending solenoid current delivery thereby moving the valve member to its open position.

    Abstract translation: 一种用于控制电磁燃料喷射器组件的喷射速率和喷射压力的方法,其具有压力平衡控制阀,该压力平衡控制阀包括电磁阀和受到由喷射器显影并由螺线管驱动的压力的阀构件,以抵抗偏压力 的春天 控制阀被支撑在喷射器主体中的阀孔中。 该方法包括向螺线管提供第一级电流以将阀构件从打开位置移动到关闭位置的步骤,允许喷射器中的压力升高,在喷射器事件期间预先选定的时间提供调节电流到螺线管 使作用在阀构件上的力不平衡,从而稍微地使阀构件转动,以调节燃料喷射器的喷射压力和喷射速率,并且结束螺线管电流输送,从而将阀构件移动到其打开位置。

    KRAFTSTOFFINJEKTOR MIT ZUSCHALTBAREM STEUERRAUMZULAUF
    7.
    发明申请
    KRAFTSTOFFINJEKTOR MIT ZUSCHALTBAREM STEUERRAUMZULAUF 审中-公开
    可分税的燃油喷射器

    公开(公告)号:WO2003004860A2

    公开(公告)日:2003-01-16

    申请号:PCT/DE2002/002292

    申请日:2002-06-21

    Abstract: Die Erfindung bezieht sich auf einen Kraftstoffinjektor für direkteinspritzende Verbrennungskraftmaschinen. Der Kraftstoffinjektor umfasst einen Injektorkörper (1), der einen Steuerraum (2) enthält. Über eine Druckbeaufschlagung/Druckentlastung des Steuerraumes (2) ist eine Düsennadel-/Stössel-Anordnung (6) im Injektorkörper (1) betätigbar. Der Steuerraum (2) ist über einen Strömungskanal (10) mit einem ersten Drosselelement (13) druckentlastbar und steht über einen hochdruckseitigen, permanent wirkenden Zulauf (28) mit einem zweiten Drosselelement (26) mit einer Hochdruckquelle in Verbindung. Im Injektorkörper (1) des Kraftstoffinjektors ist ein Schaltventil (16) aufgenommen, welches über den Strömungskana1 (10) mit dem Steuerraum (2) verbunden ist. Zum Druckaufbau im Steuerraum (2) ist mittels des Schaltventiles (16) ein weiterer, hochdruckseitiger Zulauf (29) mit einem dritten Drosselelement (27) im permanent wirkenden Zulauf (28) zum Steuerraum (2) parallel schaltbar.

    Abstract translation: 本发明涉及用于直喷式内燃机的燃料喷射器。 燃料喷射器包括包含控制室(2)的喷射器主体(1)。 通过对控制空间(2)加压/减压,喷嘴针体/碗组件(6)可在喷射器体(1)中操作。 所述控制腔(2)OVER一个海峡Ö与解除压力的第一节气门元件(13)的流动通道(10),并且是在高压侧,永久作用与第二节气门元件(26)与高压源入口(28) , 在燃料喷射器的喷射器本体(1)中容纳有切换阀(16),该切换阀经由流动通道1(10)连接到控制室(2)。 对于通过切换阀(16),进一步的高压侧入口(29)与第三节流元件(27)永久地作用入口(28),以控制腔室的装置建立压力控制腔(2)(2)并联连接。

    SINGLE FLUID INJECTOR WITH RATE SHAPING CAPABILITY
    8.
    发明申请
    SINGLE FLUID INJECTOR WITH RATE SHAPING CAPABILITY 审中-公开
    具有速率形状能力的单流注射器

    公开(公告)号:WO2007027331A1

    公开(公告)日:2007-03-08

    申请号:PCT/US2006/029252

    申请日:2006-07-25

    Abstract: A common rail (16) single fluid fuel injection system (12) includes fuel injectors (14, 114) with a single electrical actuator (42) but the ability to produce ramp, square and split injection rate shapes. This is accomplished by including a control valve member (44) that is operably coupled to the electrical actuator and is movable between a high pressure seat (45) and a low pressure seat (46). A fuel supply passage (36) is opened to a nozzle passage by moving an admission valve member (60) from a closed position to an open position by relieving fuel pressure on a control surface (64) via movement of the control valve member (44). In addition, a needle valve member (71, 171) is movable from a closed position to an open position by relieving pressure on a closing hydraulic surface (74, 174) associated with the needle valve (70, 170), which is again accomplished via movement of the control valve member (44) via the electrical actuator (42).

    Abstract translation: 共轨(16)单流体燃料喷射系统(12)包括具有单个电致动器(42)的燃料喷射器(14,114),但是具有产生斜坡,正方形和分离喷射速率形状的能力。 这通过包括可操作地联接到电致动器并且可在高压座(45)和低压座(46)之间移动的控制阀构件(44)来实现。 燃料供给通道(36)通过使控制阀构件(44)经由控制阀构件(44)的移动而将进入阀构件(60)从关闭位置移动到打开位置而向控制表面(64) )。 此外,针阀构件(71,171)可以通过在与针阀(70,170)相关联的关闭液压表面(74,174)上释放压力而从关闭位置移动到打开位置,该关闭液压表面(74,174)再次完成 经由电致动器(42)通过控制阀构件(44)的移动。

    FUEL INJECTOR WITH A SWITCHABLE CONTROL CHAMBER FEED
    9.
    发明申请
    FUEL INJECTOR WITH A SWITCHABLE CONTROL CHAMBER FEED 审中-公开
    喷油嘴与切换控制房间供应量

    公开(公告)号:WO03004860A3

    公开(公告)日:2003-04-17

    申请号:PCT/DE0202292

    申请日:2002-06-21

    Abstract: The invention relates to a fuel injector for direct injection internal combustion engines. The fuel injector comprises an injector body (1) containing a control chamber (2).A nozzle needle/ tappet arrangement (6) in the injector body can be actuated by impinging/reducing pressure in the control chamber (2). The pressure in the control chamber (2) can be reduced via a flow channel (10), using a throttle element (13), said control chamber (2) being connected to a high pressure source by means of a permanently active pressure-side feed (28) and a second throttle element (26). A switch valve (16) is accommodated in the body (1) of the fuel injector, said valve being to connected to the control chamber (2) via the flow channel (10). In order to build up pressure in the control chamber (2), said switch valve (16) is used for parallel connection of another high-pressure side feed (29) to a third throttle element (27) in the permanently active feed (28) to the control chamber (2).

    Abstract translation: 本发明涉及一种燃料喷射器用于直接喷射的内燃机。 该燃料喷射器包括喷射器主体(1),其包含一控制腔室(2)。 所述控制腔室(2)的加压/减压是在(1)操作的喷射器的喷嘴针/活塞装置(6)。 经由流道(10)释放压力,并经由高压侧连接,永久地作用入口(28)的第一节气门元件(13)与具有高压力源的第二节气门元件(26)的控制腔室(2)。 在燃料喷射器的喷射器主体(1)被接收,其经由Strömungskana1(10)与所述控制腔室(2)连接的切换阀(16)。 对于通过切换阀(16),进一步的高压侧入口(29)与第三节流元件(27)的装置建立压力控制腔(2)永久地作用入口(28)并联连接的控制腔室(2)。

    KRAFTSTOFFINJEKTOR-SCHALTVENTIL ZUR DRUCKENTLASTUNG/BELASTUNG EINES STEUERRAUMES
    10.
    发明申请
    KRAFTSTOFFINJEKTOR-SCHALTVENTIL ZUR DRUCKENTLASTUNG/BELASTUNG EINES STEUERRAUMES 审中-公开
    喷油嘴切换阀泄压/炉料TAX室

    公开(公告)号:WO2003004864A1

    公开(公告)日:2003-01-16

    申请号:PCT/DE2002/002290

    申请日:2002-06-21

    Abstract: Die Erfindung bezieht sich auf einen Kraftstoffinjektor für Brennkraftmaschinen mit einem Injektorkörper (1), in dessen Gehäuse (2) eine Einspritzöffnungen freigebende oder diese verschliessende Düsennadel (23) bewegbar aufgenommen ist. Die Düsennadel (23) ist über einen druckentlastbaren Steuerraum (20) betätigbar, der über einen Zulauf (13) von einer Hochdruckquelle mit unter hohem Druck stehenden Kraftstoff beaufschlagt wird und im Gehäuse (2) des Injektorkörpers (1) ein Ventilraum (5) eines Mehrwegeventils (3) ausgebildet ist. Der Steuerraum (20) ist mit dem Ventilraum (5) des Mehrwegeventils (3) über einen Steuerraumkanal (16) verbunden, der in bezug auf den Steuerraum (20) sowohl in Entlastungsrichtung (17) als auch in Belastungsrichtung (18) beaufschlagbar ist.

    Abstract translation: 本发明涉及一种燃料喷射器具有在喷射器主体(1),其外壳(2)的注射开口释放或关闭该喷嘴针(23)被可移动地容纳内燃机。 喷嘴针(23)可以经由druckentlastbaren控制空间被致动(20)是通过(13)作用在由高压源与高度加压的燃料的入口和所述壳体(2)的喷射器(1)的阀室(5)的 形成多路阀(3)。 控制腔(20)被连接到通过其相对于所述控制空间(20)都在排出方向(17)作用时的控制空间管道(16)的多通阀(3)的阀室(5)以及在装载方向(18)。

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