公开(公告)号：US08531749B2

公开(公告)日：2013-09-10

申请号：US12832088

申请日：2010-07-08

申请人： Ryuji Kamata ,  Takaaki Kurosawa ,  Naohiro Ohno

发明人： Ryuji Kamata ,  Takaaki Kurosawa ,  Naohiro Ohno

IPC分类号： G02B26/08

CPC分类号： G02B26/122 ,  H02K7/086

摘要： A light deflection apparatus, including a stator section including a radial bearing having a first dynamic pressure generating groove, a thrust bearing having a second dynamic pressure generating groove, and a stator coil; and, a rotor section including a polygon minor, a magnet facing the stator coil, and a rotating body having a dynamic pressure surface facing the radial bearing and a dynamic pressure surface facing the thrust bearing, the rotor supporting the polygon minor and the magnet; wherein one end portion of the dynamic pressure bearing section included of the thrust bearing, the radial bearing and of the rotating body in the thrust direction is closed excluding a gap between the dynamic pressure bearing section of the radial bearing and the dynamic pressure bearing section of the rotating body.

摘要翻译： 一种光偏转装置，包括具有第一动压产生槽的径向轴承的定子部，具有第二动压产生槽的止推轴承和定子线圈; 以及包括多边形小型，与定子线圈相对的磁体的转子部分和具有面向径向轴承的动态压力表面的旋转体和面向推力轴承的动压面，支撑多边形小型和磁体的转子; 其特征在于，所述止推轴承，所述径向轴承和所述旋转体在所述推力方向上包括的所述动压轴承部的一端部封闭，除了所述径向轴承的动压轴承部与所述动压轴承部之间的间隙 旋转体。

公开(公告)号：US20110013250A1

公开(公告)日：2011-01-20

申请号：US12832088

申请日：2010-07-08

申请人： Ryuji KAMATA ,  Takaaki Kurosawa ,  Naohiro Ohno

发明人： Ryuji KAMATA ,  Takaaki Kurosawa ,  Naohiro Ohno

IPC分类号： G02B26/10 ,  F16C32/06

CPC分类号： G02B26/122 ,  H02K7/086

摘要： A light deflection apparatus, including a stator section including a radial bearing having a first dynamic pressure generating groove, a thrust bearing having a second dynamic pressure generating groove, and a stator coil; and, a rotor section including a polygon minor, a magnet facing the stator coil, and a rotating body having a dynamic pressure surface facing the radial bearing and a dynamic pressure surface facing the thrust bearing, the rotor supporting the polygon minor and the magnet; wherein one end portion of the dynamic pressure bearing section included of the thrust bearing, the radial bearing and of the rotating body in the thrust direction is closed excluding a gap between the dynamic pressure bearing section of the radial bearing and the dynamic pressure bearing section of the rotating body.

摘要翻译： 一种光偏转装置，包括具有第一动压产生槽的径向轴承的定子部，具有第二动压产生槽的止推轴承和定子线圈; 以及包括多边形小型，与定子线圈相对的磁体的转子部分和具有面向径向轴承的动态压力表面的旋转体和面向推力轴承的动压面，支撑多边形小型和磁体的转子; 其特征在于，所述止推轴承，所述径向轴承和所述旋转体在所述推力方向上包括的所述动压轴承部的一端部封闭，除了所述径向轴承的动压轴承部与所述动压轴承部之间的间隙 旋转体。