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    • 109. 发明专利
    • Magnetic encoder and rolling bearing unit equipped therewith
    • 磁力编码器和滚动轴承装置
    • JP2006329724A
    • 2006-12-07
    • JP2005151395
    • 2005-05-24
    • Nsk Ltd日本精工株式会社
    • YABE SHUNICHIMURAKAMI TAKESHIAIHARA SHIGEAKI
    • G01D5/245F16C41/00G01P3/487
    • F16J15/326F16C19/186F16C33/7879F16C41/007F16C2326/02G01P3/443G01P3/487H01F1/117H01F7/0215
    • PROBLEM TO BE SOLVED: To provide a magnetic encoder with high reliability without cracks in a magnet part even in severe use conditions such as sadden temperature variation, with a high magnetic characteristic and capable of accurately detecting the revolution number and a rolling bearing unit with high performance and high reliability which is equipped with the magnetic encoder. SOLUTION: The rolling bearing unit fixing the magnetic encoder to a rotating wheel comprises a magnet part forming in a circular shape, a magnetic material containing binder including magnetic powder, polyamide resin and anti-shock magnet, a magnetic encoder combining slinger in one, fixed wheel, rotating wheel and a plurality of rollers arranged rotatively in the circumferential direction between the fixed wheel and the rotating wheel. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种高可靠性的磁性编码器,即使在严重的使用条件如磁损温度变化,具有高磁特性并且能够精确地检测转数和滚动轴承 具有高性能,高可靠性的单元,配有磁编码器。 解决方案:将磁性编码器固定到旋转轮的滚动轴承单元包括形成为圆形的磁体部分,包含磁性粉末,聚酰胺树脂和抗冲击磁体的粘合剂的磁性材料,将抛油环结合在一起的磁性编码器 一个固定轮,旋转轮以及在固定轮和旋转轮之间沿圆周方向旋转布置的多个辊。 版权所有(C)2007,JPO&INPIT