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    • 1. 发明授权
    • Fuel injector with molded plastic valve guides
    • 燃油喷射器,带模压塑料阀导轨
    • US06105884A
    • 2000-08-22
    • US396968
    • 1999-09-15
    • James Robert MolnarPaul S. Von Bacho, IIIOtto Muller-Girard, Jr.
    • James Robert MolnarPaul S. Von Bacho, IIIOtto Muller-Girard, Jr.
    • F02M51/06F02M61/18F02M51/00
    • F02M61/188F02M51/0667F02M51/0682F02M61/18
    • An injector fuel injection valve is guided at the lower end by a plastic valve guide mounted in a nozzle containing a valve seat engagable by the valve element. The valve guide includes inwardly protruding annularly spaced ribs having inner guide surfaces and defining spaced flow channels. The guide surfaces engage the circular or spherical exterior of the valve element to guide the element to properly aligned seating against the conical valve seat. The plastic or polymeric valve guide is preferably molded in place within the cup shaped metal nozzle but, if desired, the valve guide may be separately molded and subsequently inserted or snapped in place within the nozzle. A second plastic valve guide may be provided for guiding the upper end of an associated armature. A plastic or polymeric ring is molded in place or otherwise mounted within a groove around the outer surface of the armature and engagable with a cylindrical tube disposed within a main body of the injector to which the injection nozzle is secured.
    • 喷射器燃料喷射阀在下端通过安装在包含可由阀元件接合的阀座的喷嘴中的塑料阀引导件引导。 阀导向器包括向内突出的环形间隔的肋,其具有内引导表面并且限定间隔开的流动通道。 引导表面接合阀元件的圆形或球形外部,以将元件引导到抵靠锥形阀座的适当对准的座。 塑料或聚合物阀引导件优选地模制在杯形金属喷嘴内的适当位置,但是如果需要,阀引导件可以分开模制并随后在喷嘴内插入或卡扣就位。 可以设置第二塑料阀引导件以引导相关电枢的上端。 将塑料或聚合物环模制在适当位置或以其他方式安装在围绕电枢的外表面的槽内,并与设置在喷射器的主体内的圆柱形管接合,注射喷嘴固定到该圆柱形管上。
    • 8. 发明授权
    • Fuel interconnect for fuel injector
    • 用于燃油喷射器的燃料互连
    • US5769328A
    • 1998-06-23
    • US578849
    • 1995-12-26
    • Gary Michael ZdybOtto Muller-Girard, Jr.Harrie William Bonnah, II
    • Gary Michael ZdybOtto Muller-Girard, Jr.Harrie William Bonnah, II
    • F02M51/06F02M51/08F02M61/16F02M69/46B05B1/30
    • F02M69/462F02M51/061F02M51/0664F02M61/16F02M61/168F02M61/165
    • A fuel injector for discharging fuel to an internal combustion engine is disclosed. The injector includes a nozzle body having a solenoid actuator, a pole piece with an axial extending fuel passage, a valve assembly including a reciprocably moveable armature operable against the bias of a spring member, a calibration tube extending through the pole piece fuel passage and operable to load the spring, an axially extending, drawn metal fuel tube having a first end defining an injector fuel inlet and a second end in communication with the axially extending fuel passage of the pole piece. The fuel tube includes features which extend radially inwardly in the wall of the fuel tube to define depressions in the outer surface of the wall which function, with a molded composite jacket to deter rotation of the tube. Additionally, the features define radial inward projections from the inner surface of the tube wall and may be used to position the filter assembly and to align externally installed components of the injector.
    • 公开了一种用于向内燃机排放燃料的燃料喷射器。 喷射器包括具有螺线管致动器的喷嘴体,具有轴向延伸的燃料通道的极片,阀组件,其包括可抵抗弹簧构件偏压的可往复运动的衔铁,校准管延伸穿过极片燃料通道并可操作 负载弹簧,轴向延伸的金属燃料管,其具有限定喷射器燃料入口的第一端和与极靴的轴向延伸的燃料通道连通的第二端。 燃料管包括在燃料管的壁中径向向内延伸的特征,以在壁的外表面中限定凹陷,其功能是模制的复合护套以阻止管的旋转。 此外,这些特征限定了从管壁的内表面的径向向内突出,并且可以用于定位过滤器组件并且将注射器的外部安装的部件对准。