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In the dynamical pressure bearing which consists of with the radial bearing which is laid out on radial inner split side

机译:在动压轴承中,径向轴承由布置在径向内部剖分面的径向轴承组成

摘要

PROBLEM TO BE SOLVED: To discharge bubbles collected between a thrust bearing part and a radial bearing part.;SOLUTION: Pump-in type spiral grooves are formed on a thrust bearing part as dynamic pressure generating grooves, an axially unbalanced herringbone groove row is formed on the radial bearing part as the dynamic pressure generating grooves, and the oil is continuously held between the thrust bearing part and the radial bearing part. At least one of the spiral grooves formed on the thrust bearing part is elongated to an inner side in the radial direction with respect to the other spiral grooves, with a wide width in the circumferential direction.;COPYRIGHT: (C)2004,JPO&NCIPI
机译:解决的问题:为了排出在推力轴承部分和径向轴承部分之间聚集的气泡;解决方案:在推力轴承部分上形成泵入型螺旋槽作为动压力产生槽,形成轴向不平衡的人字形槽排在径向轴承部分上作为动压力产生槽,并且油连续地保持在推力轴承部分和径向轴承部分之间。推力轴承部分上形成的至少一个螺旋槽相对于其他螺旋槽在径向方向上向内侧延伸,沿周向宽度较宽。;版权所有(C)2004,JPO&NCIPI

著录项

  • 公开/公告号JP4401068B2

    专利类型

  • 公开/公告日2010-01-20

    原文格式PDF

  • 申请/专利权人 日本電産株式会社;

    申请/专利号JP20020350889

  • 发明设计人 奥 義人;姫野 敏和;

    申请日2002-12-03

  • 分类号F16C17/10;G11B19/20;H02K5/16;H02K7/08;

  • 国家 JP

  • 入库时间 2022-08-21 18:58:57

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