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    Electromagnetic system to control the valves of an engine
    2.
    发明公开
    Electromagnetic system to control the valves of an engine 审中-公开
    einrich Brennkraftmaschine中的EinrichtungzürVentilbetatigung Elektromagnetische

    公开(公告)号：EP1296025A1

    公开(公告)日：2003-03-26

    申请号：EP02020954.0

    申请日：2002-09-19

    申请人： MAGNETI MARELLI POWERTRAIN S.p.A.

    发明人： Cristiani, Marcello ,  Morelli, Nicola

    IPC分类号： F01L9/04

    CPC分类号： F01L9/04 ,  F01L2009/0409

    摘要： Electromagnetic system to control the valves (2) of an engine and having a control unit (11) and for each valve (2) a respective electromagnetic actuator (1) provided with a pair of electromagnets (8); each electromagnet (8) has a winding (17) which is provided with a power bobbin (13) and an auxiliary measurement bobbin (16), and a flexible connection cable (18), which is directly integrated in the respective winding (17) in order to connect the winding (17) itself to the control unit (11) electrically without further interpositions.

    摘要翻译： 用于控制发动机的阀（2）并具有控制单元（11）和每个阀（2）的设置有一对电磁体（8）的相应的电磁致动器（1）的电磁系统; 每个电磁体（8）具有设置有动力线轴（13）和辅助测量线轴（16）的绕组（17）和直接集成在相应绕组（17）中的柔性连接电缆（18） 以便将线圈（17）自身连接到控制单元（11），而无需进一步的插入。

    Electromagnetically controlled three-way valve
    3.
    发明公开
    Electromagnetically controlled three-way valve 审中-公开
    Elektromagnetisches Drei-Wege-Ventil

    公开(公告)号：EP1241387A1

    公开(公告)日：2002-09-18

    申请号：EP02006015.8

    申请日：2002-03-15

    申请人： MAGNETI MARELLI POWERTRAIN S.p.A.

    发明人： Cristiani, Marcello ,  Vignoli, Mirco

    IPC分类号： F16K31/06

    CPC分类号： F16K31/0631 ,  Y10T137/86622

    摘要： An electrically controlled three-way valve (1) comprising a valve body (2), within which a central cavity (3) and a respective first, second and third connection duct (4, 5, 6), adapted to bring the central cavity (3) into communication with atmosphere, are provided, and a shutter member (7) mounted to move within the central cavity (3) between a first operating position, in which the shutter member (7) is disposed to close the inlet of the first duct (4) so as to obstruct this first duct (4) in a leak-tight manner and to bring the second duct (5) into sole communication with the third duct (6), and a second operating position in which the shutter member (7) is disposed to close the inlet of the third duct (6) in order to obstruct this third duct (6) in a leak-tight manner and to bring the second duct (5) into sole communication with the first duct (4); the shutter member (7) being of spherical shape and independent from any other member of the valve (1) so that it can move freely within the central cavity (3); the central cavity (3) being shaped such that the shutter member (7) is forced simultaneously to engage the inlets (4a, 6a) of the first and the third connection ducts (4, 6), but obstructs, however, only one of the first and third connection ducts (4, 6) in a leak-tight manner.

    摘要翻译： 一种包括阀体（2）的电控三通阀（1），其中中央腔（3）和相应的第一，第二和第三连接管道（4,5,6）适于使中心腔 （3）与大气连通;以及活门构件（7），其安装成在中心空腔（3）内移动在第一操作位置之间，闸板构件（7）设置在第一操作位置以关闭 第一管道（4），以便以不泄漏的方式阻塞该第一管道（4）并使第二管道（5）与第三管道（6）保持鞋底连通;以及第二操作位置， 构件（7）设置成关闭第三管道（6）的入口，以便以密封方式阻塞该第三管道（6）并使第二管道（5）与第一管道（...） 4）; 所述活门构件（7）为球形并且独立于所述阀（1）的任何其它构件，使得其能够在所述中心空腔（3）内自由移动; 中心空腔（3）成形为使得活门构件（7）同时被迫接合第一和第三连接导管（4,6）的入口（4a，6a），但是阻碍了仅一个 第一和第三连接管道（4,6）以不泄漏的方式。

    Electromagnetic fuel injector for a direct injection internal combustion engine
    7.
    发明公开
    Electromagnetic fuel injector for a direct injection internal combustion engine 有权
    Elektromagnetisches Kraftstoffeinspritzventilfüreine Brennkraftmaschine mit Direkteinspritzung

    公开(公告)号：EP1936181A1

    公开(公告)日：2008-06-25

    申请号：EP06425829.6

    申请日：2006-12-12

    申请人： MAGNETI MARELLI POWERTRAIN S.p.A.

    发明人： Cagnolati, Luca ,  Mattioli, Massimo ,  Cristiani, Marcello

    IPC分类号： F02M51/06 ,  F02M61/16

    CPC分类号： F02M51/0614 ,  F02M51/0671 ,  F02M61/188 ,  Y10S239/19 ,  Y10S239/90 ,  Y10T29/4902

    摘要： A fuel injector (1) comprising: an injection valve (7) provided with a mobile needle (15) for regulating the fuel flow through an injection nozzle (3); a supporting body (4) having a tubular shaft and displaying a feeding channel (5) which ends with the injection valve (7); and an electromagnetic actuator (6) comprising a spring (10) which tends to maintain the needle (15) in a closing position and an electromagnet (8), which comprises a coil (11) arranged outside the supporting body (4), a fixed magnetic armature (12) arranged within the supporting body, and a keeper (9) which is arranged within the supporting body (4), is magnetically attracted by the magnetic armature (12) against the bias of the spring (10), and is mechanically connected to the needle (15); the coil (11) displaying a toroidal shape having an internal annular surface (30), which is directly in contact with an external surface (31) of the supporting body (4) without the interposition of any intermediate element.

    摘要翻译： 一种燃料喷射器（1），包括：喷射阀（7），其设置有用于调节通过喷嘴（3）的燃料流的移动针（15）; 支撑体（4），其具有管状轴并且显示与所述喷射阀（7）结合的供给通道（5）; 以及电磁致动器（6），包括倾向于将针（15）保持在关闭位置的弹簧（10）和包括布置在支撑体（4）外侧的线圈（11）的电磁体（8） 布置在支撑体内的固定磁性衔铁（12）和布置在支撑体（4）内的保持器（9）克服弹簧（10）的偏压被磁性衔铁（12）磁吸引，并且 机械地连接到针（15）; 线圈（11）显示具有内部环形表面（30）的环形形状，其直接与支撑体（4）的外表面（31）接触，而不插入任何中间元件。

    Fuel injector
    8.
    发明公开
    Fuel injector 有权
    Brennstoffeinspritzventil

    公开(公告)号：EP1734251A1

    公开(公告)日：2006-12-20

    申请号：EP05425435.4

    申请日：2005-06-17

    申请人： MAGNETI MARELLI POWERTRAIN S.p.A.

    发明人： Pasquali, Paolo ,  Gagliardi, Luigi ,  Cristiani, Marcello

    IPC分类号： F02M51/06 ,  F02M61/08 ,  F02M61/16

    CPC分类号： F02M61/161 ,  F02M51/06 ,  F02M51/0653 ,  F02M51/0671 ,  F02M61/08

    摘要： A fuel injector (1) has an injection valve (7) having a movable pin (15) terminating with a shutter head (22); a tubular supporting body (4) having a feed channel (5); and a sealing body (17), in which a valve seat (16) of the injection valve (7) is defined; the shutter head (22) is truncated-cone-shaped, is located outside the sealing body (17), and, in a closed position, is pushed against the sealing body (17) in the opposite direction to the fuel feed direction; the pin (15) has a stop member (35), which is integral with the pin (15) and comes to rest on a top surface of the sealing body (17), when the pin (15) is in the open position opening the injection valve (7), so as to determine travel of the pin (15).

    摘要翻译： 燃料喷射器（1）具有喷射阀（7），喷射阀（7）具有以快门头（22）终止的可动销（15）。 具有进料通道（5）的管状支撑体（4）; 和密封体（17），其中限定了所述喷射阀（7）的阀座（16）; 快门头（22）是截头圆锥形的，位于密封体（17）的外侧，并且在关闭位置沿与燃料供给方向相反的方向被推靠在密封体（17）上。 销（15）具有与销（15）成一体的停止构件（35），并且当销（15）处于打开位置打开时停止在密封体（17）的顶表面上 所述喷射阀（7），以便确定所述销（15）的行进。

    Fuel injector with electromagnetic actuator
    9.
    发明公开
    Fuel injector with electromagnetic actuator 有权
    Kraftstoffinjektor mit elektromagnetischem Aktor

    公开(公告)号：EP1717437A1

    公开(公告)日：2006-11-02

    申请号：EP06113246.0

    申请日：2006-04-27

    申请人： MAGNETI MARELLI POWERTRAIN S.p.A.

    发明人： Cristiani, Marcello ,  Pasquali, Paolo

    IPC分类号： F02M51/06 ,  F02M61/16 ,  F02M61/08 ,  F02M61/12 ,  F02M61/18

    CPC分类号： F02M61/12 ,  F02M51/0671 ,  F02M61/08 ,  F02M61/162 ,  F02M61/168 ,  F02M61/18

    摘要： A fuel injector (1) equipped with an injection valve (7) comprising a mobile plunger (15) ending with a sealing head (22); a support body (4) having a tubular shape and comprising a feed channel (5); and a sealing body (17), in which is defined a valve seat (16) of the injection valve (7); the sealing head (22) is of a frustoconical shape, is arranged externally relative to the guide element (19), is thrust by a spring (10) against said guide element (19) in a direction contrary to the direction of feed of the fuel; the valve seat (16) has a frustoconical shape which is a negative reproduction of the frustoconical shape of the sealing head (22) in order to impart an internally hollow conical shape to the injected fuel.

    摘要翻译： 一种配备有注射阀（7）的燃料喷射器（1），其包括以密封头（22）结尾的可移动柱塞（15）; 具有管状形状并包括进料通道（5）的支撑体（4）; 和密封体（17），其中限定了所述喷射阀（7）的阀座（16）。 密封头（22）具有截头圆锥形状，相对于引导元件（19）设置在外部，在与所述引导元件（19）的进给方向相反的方向上被弹簧（10）推靠在所述引导元件（19）上 汽油; 阀座（16）具有截头圆锥形状，其是密封头（22）的截头圆锥形形状的负再现，以便将喷射的燃料赋予内部中空的圆锥形状。