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    • 1. 发明授权
    • Method for dosing fuel with a fuel injection valve
    • 燃料喷射阀计量燃料的方法
    • US06543407B1
    • 2003-04-08
    • US09857713
    • 2001-11-05
    • Martin MaierGuenther HohlNorbert Keim
    • Martin MaierGuenther HohlNorbert Keim
    • F02M6116
    • F02M61/163F02M45/00F02M45/08F02M45/12F02M51/0603F02M61/162
    • The invention relates to a process for metering fuel with a fuel injector (1), in particular an injector for fuel injection systems of internal combustion engines. The fuel injector has an actuator (14) and a valve closing body (6) which can be activated by the actuator (14) to produce a valve stroke, and the valve closing body cooperates with a valve seat face (5) to form a sealing seat. The valve closing body (6) and/or valve seat face (5) has at least one swirl element (27; 41) to produce a swirling flow. In order to vary the fuel distribution of fuel injected by the fuel injector (1), the valve stroke triggered by the actuator (14) has a variable opening speed, whereby a transition from an at least approximately swirl-free preliminary flow of the injected fuel to a swirling flow of the injected fuel is produced by varying the opening speed.
    • 本发明涉及一种用燃料喷射器(1)计量燃料的方法,特别是用于内燃机燃料喷射系统的喷射器。 燃料喷射器具有致动器(14)和可由致动器(14)启动以产生阀行程的阀关闭体(6),并且阀关闭体与阀座面(5)协作以形成 密封座。 阀关闭体(6)和/或阀座面(5)具有至少一个旋流元件(27; 41)以产生回旋流。 为了改变由燃料喷射器(1)喷射的燃料的燃料分布,由致动器(14)触发的阀行程具有可变的开启速度,从而从注入的至少大致无漩涡的初始流量 通过改变打开速度来产生喷射燃料的涡流的燃料。
    • 5. 发明授权
    • Fuel injector
    • 喷油器
    • US06619269B1
    • 2003-09-16
    • US09890292
    • 2001-11-02
    • Hubert StierGuenther HohlNorbert Keim
    • Hubert StierGuenther HohlNorbert Keim
    • F02M5100
    • F02M51/0671F02B2075/125F02M61/20Y02T10/123
    • A fuel injector for fuel injection systems of internal combustion engines, in particular for the direct injection of fuel into a combustion chamber of an internal combustion engine, includes a solenoid coil, an armature that is acted upon in a closing direction by a resetting spring, and a valve needle that is in a form-locking connection with the armature for actuating a valve-closure member, which together with a valve seat surface forms a sealing seat. A cooperates with the resetting spring such that the spring forces of the resetting spring and of the are added together. In this context, the resetting spring is biased over a total lift of the armature and the is biased only over a residual lift of the armature, which is smaller than the total lift.
    • 用于内燃机的燃料喷射系统的燃料喷射器,特别是用于将燃料直接喷射到内燃机的燃烧室中的燃料喷射器包括螺线管线圈,通过复位弹簧在闭合方向上作用的电枢, 以及阀芯,其与用于致动阀关闭构件的电枢形成锁定连接,其与阀座表面一起形成密封座。 A与复位弹簧配合使得复位弹簧和弹簧的弹簧力相加在一起。 在这种情况下,复位弹簧偏置在电枢的总升力之上,并且仅在电枢的剩余升力上偏置,小于总升力。
    • 7. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US06681999B1
    • 2004-01-27
    • US09889290
    • 2001-11-20
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • A62C3700
    • F02M51/0603F02B2075/125F02M61/167F02M2200/706Y02T10/123
    • A fuel injector, in particular a fuel injector for fuel systems of internal combustion engines, has a piezoelectric or magnetostrictive actuator, a valve needle operated by the actuator by way of a hydraulic temperature compensation device, and a valve closing body operated by the valve needle and cooperating with a valve seat face to form a scaling seat. The temperature compensation device includes a needle driving sleeve which surrounds a valve needle shoulder of the valve needle and, together with a needle driving shoulder, surrounds the valve needle in sections. In addition, the needle driving sleeve together with the valve needle encloses a temperature compensation space, and the temperature compensation space is connected to a fuel inlet of the fuel injector through a directional valve for filling the temperature compensation space with fuel.
    • 燃料喷射器,特别是用于内燃机燃料系统的燃料喷射器具有压电或磁致伸缩致动器,由致动器通过液压温度补偿装置操作的阀针和由阀针操作的阀关闭体 并且与阀座面配合以形成缩放座。 温度补偿装置包括围绕阀针的阀针肩并与针驱动肩部一起围绕阀针部分的针驱动套筒。 此外,针驱动套筒与阀针一起包围温度补偿空间,并且温度补偿空间通过用于用燃料填充温度补偿空间的方向阀连接到燃料喷射器的燃料入口。