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    • 3. 发明授权
    • Fuel injector having a ball seat with multiple tip geometry
    • 燃油喷射器具有多个尖端几何形状的球座
    • US06334576B1
    • 2002-01-01
    • US09606523
    • 2000-06-30
    • Yong Duk Cho
    • Yong Duk Cho
    • F02D106
    • F02M51/0671F02M61/06F02M61/10F02M61/16Y10S239/90
    • The present invention provides a fuel injector having a fuel inlet, a fuel outlet, and a fuel passageway extending from the fuel inlet to the fuel outlet along a longitudinal axis. The fuel injector includes an armature disposed within the body, a cylindrical needle operatively connected to the armature, the needle having a support portion and a flow control portion, and a seat disposed at the fuel outlet. The fuel injector also includes a ball operatively connected to the support portion of the needle such that the flow control portion protrudes from the ball toward the seat.
    • 本发明提供一种燃料喷射器,其具有燃料入口,燃料出口和沿着纵向轴线从燃料入口延伸到燃料出口的燃料通道。 燃料喷射器包括设置在主体内的电枢,可操作地连接到电枢的圆柱形针,针具有支撑部分和流动控制部分,以及设置在燃料出口处的座椅。 燃料喷射器还包括可操作地连接到针的支撑部分的球,使得流动控制部分从球向座椅突出。