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    • 45. 发明申请
    • INJECTOR
    • 注射器
    • US20110057059A1
    • 2011-03-10
    • US12717348
    • 2010-03-04
    • Kazuo YamamotoJun Yamashita
    • Kazuo YamamotoJun Yamashita
    • B05B1/30
    • F02M51/0685F02M51/0675F02M61/042F02M61/12F02M2200/02
    • An injector includes a housing, a fixed core, a movable core, a valve member, and a resilient member pressing the valve member toward a nozzle hole. An inner peripheral surface of the housing axially guides an outer peripheral surface of the movable core. The inner peripheral surface and the outer peripheral surface define an outer clearance therebetween. The valve member includes a shaft-shaped portion and a stopper portion, which contacts the movable core and has a stopper inclined surface. An outer peripheral surface of the shaft-shaped portion and an inner peripheral surface of an insertion hole of the movable core define an inner clearance therebetween. The stopper inclined surface inclines radially inward of the shaft-shaped portion axially toward the nozzle hole. An axial clearance is formed between the stopper inclined surface and the movable core radially outward of a contact portion between the stopper inclined surface and the movable core.
    • 喷射器包括壳体,固定芯,可动芯,阀构件和将阀构件压向喷嘴孔的弹性构件。 壳体的内周表面轴向地引导可动芯的外周表面。 内周表面和外周表面之间限定了外部间隙。 阀构件包括轴状部分和止动部分,其接触可动铁芯并具有止动器倾斜表面。 轴状部的外周面和可动铁芯的插入孔的内周面在其间限定内部间隙。 止动器倾斜表面沿着轴状部分径向向内倾斜地朝向喷嘴孔倾斜。 在挡块倾斜表面和止动件倾斜表面与可动芯之间的接触部分的径向外侧的活动芯之间形成有轴向间隙。