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    • 10. 发明授权
    • Adjusting sleeve for an electromagnetically actuatable valve
    • 调节套管用于电磁致动阀
    • US5301874A
    • 1994-04-12
    • US698029
    • 1991-05-10
    • Dieter VogtFerdinand ReiterMartin Maier
    • Dieter VogtFerdinand ReiterMartin Maier
    • F02M51/06F02M61/20F16K31/02F15B13/044H01F7/16
    • F02M51/0682F02M61/205
    • In electromagnetically actuatable valves, an adjusting sleeve is pressed into the flow bore of a core in order to adjust the spring force of a restoring spring. Because the known adjusting sleeves, for instance having two beads, have a sharp-edged embodiment in the region toward the flow bore, chips can be produced when they are pressed into the flow bore. The novel adjusting has a transitional region on its circumference, between the at least one bead and an end segment oriented toward the valve closing body; at least one rounded portion is provided between the transitional region and the adjacent bead. Thus when the adjusting sleeve is pressed into the flow bore of the core, chip formation at the adjusting sleeve and flow bore is prevented. The adjusting sleeve is particularly suitable for injection valves of fuel injection systems of mixture-compressing internal combustion engines with externally supplied ignition.
    • 在可电磁致动的阀中,调节套筒被压入芯的流动孔中,以便调节复位弹簧的弹簧力。 因为已知的调节套管(例如具有两个小珠)在朝向流动孔的区域中具有尖锐的实施例,所以当它们被压入流动孔中时可以产生切屑。 所述新颖调整在其圆周上具有过渡区域,所述过渡区域位于所述至少一个胎圈和朝向所述阀门关闭体的端部段之间。 在过渡区域和相邻胎圈之间提供至少一个圆形部分。 因此,当调节套筒被压入芯的流动孔中时,防止在调节套筒和流动孔处形成碎片。 调节套筒特别适用于混合压缩内燃机的燃料喷射系统的喷射阀,其具有外部提供的点火装置。