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    • 3. 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。
    • 5. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US06517014B1
    • 2003-02-11
    • US09763272
    • 2001-07-31
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • F02M5106
    • F02M51/0603
    • A fuel injector, particularly an injector for fuel-injection systems of internal combustion engines, has a piezoelectric or magnetostrictive actuator and a valve-closure member which is operable by the actuator with the aid of a valve needle and which cooperates with a valve-seat surface to form a sealing seat. The actuator, at a first end face, abuts against a supporting member that has at least one cut-out through which at least one segment of an actuating sleeve projects. The actuating sleeve, at a first end, acts upon the valve needle, and at a second end, embraces the actuator at a second end face of the actuator facing away from the first end face of the actuator.
    • 燃料喷射器,特别是用于燃料喷射系统的内燃机的喷射器具有压电或磁致伸缩致动器和阀关闭构件,所述致动器和阀关闭构件可由致动器借助于阀针操作,并且与阀座配合 表面形成密封座。 所述致动器在第一端面处抵靠具有至少一个切口的支撑构件,所述致动套管的至少一个段穿过该切口突出。 致动套筒在第一端处作用在阀针上,并且在第二端处包括致动器,其位于致动器的远离致动器的第一端面的第二端面处。
    • 6. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US06474565B1
    • 2002-11-05
    • US09787141
    • 2001-06-15
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • Wolfgang RuehleHubert StierMatthias BoeeGuenther HohlNorbert Keim
    • B05B108
    • F02M51/0603F02M51/005
    • A fuel injector (1), particularly an injection valve for fuel-injection systems of internal combustion engines, has a piezoelectric or magnetostrictive actuator (16) that is arranged in a valve housing (2) and is sealed off from a fuel by an actuator housing (15), and a valve-closure member (7) which is operable by the actuator (16) with the aid of a valve needle (6) and which cooperates with a valve-seat surface (5) to form a sealing seat. The valve housing (2) and the actuator housing (15) have cut-outs (38, 39) adjoining one another, and the valve housing (2) is joined to the actuator housing (15) in an edge area of the cut-outs (38, 39). In this manner, a feed-through opening (41) is formed which is sealed off from the fuel. The feed-through opening (41) is filled with a filler element (43) by which at least one electrical supply line (37) of the actuator (16) is fixed in position in the feed-through opening (41).
    • 燃料喷射器(1),特别是用于内燃机的燃料喷射系统的喷射阀,具有布置在阀壳体(2)中的压电或磁致伸缩致动器(16),并由致动器 壳体(15)和阀关闭构件(7),其可由致动器(16)借助于阀针(6)操作并与阀座表面(5)配合以形成密封座 。 阀壳体(2)和致动器壳体(15)具有彼此邻接的切口(38,39),并且阀壳体(2)在切割部分的边缘区域中连接到致动器壳体(15) (38,39)。 以这种方式,形成了与燃料密封的馈通开口(41)。 馈通开口(41)填充有填充元件(43),致动器(16)的至少一个供电管线(37)通过该填充元件固定在通入开口(41)中的适当位置。
    • 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。