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    • 1. 发明授权
    • Quantity control valve
    • 数量控制阀
    • US5996556A
    • 1999-12-07
    • US98354
    • 1998-06-17
    • Horst KlingerUwe KuhnMarcel WuestBernd RoseneauPeter TraubThomas GoettelGerd LoeschSandro Soccol
    • Horst KlingerUwe KuhnMarcel WuestBernd RoseneauPeter TraubThomas GoettelGerd LoeschSandro Soccol
    • F02M61/16F02M59/34F02M69/00G05D7/01F02M47/00
    • F02M59/34
    • The invention relates to a quantity control valve for a fuel injection system, used in internal combustion engines, with a longitudinal slide that is movable in a valve housing between a restoring spring chamber and a control chamber and that allocates the fuel, flowing in from at least one low-pressure pump, to at least one high-pressure pump. For driving the longitudinal slide, the inflowing fuel in the control chamber is delivered past the longitudinal slide via a throttle or baffle valve. In the closing position, firstly, a cylindrical guide region of the longitudinal slide bounded on both sides by annular grooves blocks off an inlet bore. The guide region is wider than the diameter of the inlet bore. Secondly, it covers an outlet bore except for a partial intersection with the relieved annular groove shifted into the return in the opening direction of the longitudinal slide. By the disposition of the inlet and outlet bores in combination with the contour of the longitudinal slide, a zero quantity feed can be unambiguously represented in the blocking position of the longitudinal slide.
    • 本发明涉及一种用于内燃机的燃料喷射系统的量控制阀,其具有可在复位弹簧室和控制室之间的阀壳体中移动的纵向滑动件,并且分配从 至少一个低压泵,至少一个高压泵。 为了驱动纵向滑动件,控制室中的流入的燃料经由节流阀或挡板阀传递通过纵向滑块。 在关闭位置,首先,纵向滑动件的圆柱形引导区域在两侧通过环形槽限定入口孔。 引导区域比入口孔的直径宽。 其次,它覆盖了一个出口孔,除了与沿着纵向滑动板的打开方向移动回复位置的释放的环形槽的部分交叉。 通过将入口和出口孔与纵向滑块的轮廓相结合,可以在纵向滑块的阻挡位置中明确地表示零量进给。