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    • 8. 发明申请
    • Method For Injecting Fuel With The Aid Of A Fuel-Injection System
    • 燃油喷射系统的燃油喷射方法
    • US20100154750A1
    • 2010-06-24
    • US11988070
    • 2006-07-17
    • Axel StorchCorren Heimgaertner
    • Axel StorchCorren Heimgaertner
    • F02M51/00
    • F02M45/12F02D41/20F02M51/061F02M51/0617F02M61/1833
    • A fuel injection system (1) for the targeted injection of fuel, comprising a fuel injection valve (2) having a solenoid coil (3), which cooperates with an armature (5) supplied by a return spring (4), the armature forming an axially displaceable valve part together with a valve needle (6), and a control device (9). The control device (9) defines an opening phase (10) having a first holding current (12), and a closing phase (11) beginning after the opening phase (10) and having a second holding current (13) for the fuel injection valve (2), wherein the current characteristic in the solenoid coil (3) is defined during the closing phase (11) of the injection valve (2) such that the magnetic field generated by the second holding current (13) flowing through the solenoid coil (3) brings about a certain magnetic force, such that the valve needle (6) thus experiences a defined stroke (14) that is different from zero, and steadily maintains the same over a defined period of time.
    • 一种用于目标喷射燃料的燃料喷射系统(1),包括具有电磁线圈(3)的燃料喷射阀(2),所述燃料喷射阀(2)与由复位弹簧(4)提供的电枢(5)配合, 与阀针(6)以及控制装置(9)一起可轴向移动的阀部分。 控制装置(9)限定具有第一保持电流(12)的开启相(10)和从开启阶段(10)开始并具有用于燃料喷射的第二保持电流(13)的闭合相(11) 阀(2),其中在所述喷射阀(2)的关闭阶段(11)期间限定所述螺线管线圈(3)中的电流特性,使得由所述第二保持电流(13)产生的磁场流过所述螺线管 线圈(3)产生一定的磁力,使得阀针(6)因此经历与零不同的限定冲程(14),并且在规定的时间段内稳定地保持相同的行程(14)。