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1. 发明授权

US5493161A Sealed magnetic fluid bearing for polygon mirror drive motor 失效
标题翻译：密封磁性流体轴承用于多面镜驱动电机
公开(公告)号：US5493161A
公开(公告)日：1996-02-20
申请号：US186166
申请日：1994-01-25
申请人： Satosi Uno , Sueo Akashi , Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Kosho Ishizaki
发明人： Satosi Uno , Sueo Akashi , Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Kosho Ishizaki
IPC分类号： F16C33/10 , F16C39/06 , H02K5/12 , H02K5/124 , H02K5/128 , H02K5/16 , H02K21/12 , H02K29/06 , H02K7/08 , H02K7/14 , H02K15/03
CPC分类号： H02K29/06 , F16C33/1035 , F16C39/063 , H02K21/12 , H02K5/12 , H02K5/124 , H02K5/128 , H02K5/1675 , F16C2370/22
摘要： A motor provided with a magnetic fluid bearing device for suppressing vibration and irregular rotation as well as preventing the magnetic fluid from being scattered from a bearing portion and the inside of the motor. The motor includes a rotor having a polygon mirror mounted thereon, a stator unit having driving coils, a rotor position detector and a rotor revolution detector attached thereto, a magnetic fluid bearing unit having a magnetic seal and a dynamic pressure seal attached thereto and a magnetic bearing. A triple seal structure for magnetic fluid which includes a first fluid seal constituted by the seals of the bearing unit, a second fluid seal constituted by a magnet of the rotor and a third fluid seal constituted by a magnet of the seal magnet is provided in the motor.
摘要翻译：具有用于抑制振动和不规则旋转的磁性流体轴承装置的电动机以及防止磁性流体从电动机的轴承部分和内部散射。电动机包括：安装有多面镜的转子，具有驱动线圈的定子单元，转子位置检测器和安装有转子旋转检测器的转子，具有磁性密封和附着于其上的动态压力密封的磁性流体轴承单元和磁性轴承。一种用于磁性流体的三重密封结构，其包括由轴承单元的密封件构成的第一流体密封件，由转子的磁体构成的第二流体密封件和由密封磁体的磁体构成的第三流体密封件发动机。

2. 发明授权

US5325006A Sealed magnetic fluid bearing for polygon mirror drive motor 失效
标题翻译：密封磁性流体轴承用于多面镜驱动电机
公开(公告)号：US5325006A
公开(公告)日：1994-06-28
申请号：US692662
申请日：1991-04-29
申请人： Satosi Uno , Sueo Akashi , Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Kosho Ishizaki
发明人： Satosi Uno , Sueo Akashi , Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Kosho Ishizaki
IPC分类号： F16C33/10 , F16C39/06 , H02K5/12 , H02K5/124 , H02K5/128 , H02K5/16 , H02K21/12 , H02K29/06 , H02K7/08 , H02K5/10 , H02K7/14
CPC分类号： H02K29/06 , F16C33/1035 , F16C39/063 , H02K21/12 , H02K5/12 , H02K5/124 , H02K5/128 , H02K5/1675 , F16C2370/22
摘要： A motor with a magnetic fluid bearing for suppressing vibration and irregular rotation as well as preventing the magnetic fluid from being scattered from a bearing portion in the inside of the motor. The motor includes a rotor having a polygon mirror mounted thereon, a stator unit having driving coils, a rotor position detector and a rotor revolution detector attached thereto, a magnetic fluid bearing unit having a magnetic seal and a dynamic pressure seal attached thereto and a magnetic bearing. A triple seal structure for magnetic fluid which includes a first fluid seal constituted by the seals of the bearing unit, a second fluid seal constituted by a magnet of the rotor and a third fluid seal constituted by a seal of the magnetic magnet is provided in the motor.
摘要翻译：具有用于抑制振动和不规则旋转的磁性流体轴承的电动机以及防止磁性流体从电动机内侧的轴承部分散出。电动机包括：安装有多面镜的转子，具有驱动线圈的定子单元，转子位置检测器和安装有转子旋转检测器的转子，具有磁性密封和附着于其上的动态压力密封的磁性流体轴承单元和磁性轴承。一种用于磁性流体的三重密封结构，包括由轴承单元的密封件构成的第一流体密封件，由转子的磁体构成的第二流体密封件和由磁体的密封件构成的第三流体密封件发动机。

3. 再颁专利

USRE35718E Bearing apparatus 失效
标题翻译：轴承装置
公开(公告)号：USRE35718E
公开(公告)日：1998-01-27
申请号：US528059
申请日：1995-09-14
申请人： Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Satoshi Uno
发明人： Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Satoshi Uno
IPC分类号： F16C33/10 , F16C33/82 , F16C32/06
CPC分类号： F16C33/10 , F16C33/1035 , F16C33/746
摘要： A bearing apparatus comprises a housing formed of a non-magnetizable material and having a bottom portion, a fluid lubricating type radial bearing device provided coaxial with the housing and having a magnetic fluid sealing section and a radial bearing section, a thrust bearing device provided at the bottom portion of the housing, and a rotating shaft of a permeable material rotatable supported by the radial bearing device and thr thrust bearing device to extend through the radial bearing device. The magnetic fluid sealing section is disposed on the opening side of the housing with a predetermined spacing away from the radial bearing section whereby a space is provided between the magnetic fluid sealing section and a liquid surface of fluid lubricant filled in the radial bearing section.
摘要翻译：轴承装置包括由不可磁化材料形成并具有底部的壳体，与壳体同轴设置并具有磁性流体密封部分和径向轴承部分的流体润滑型径向轴承装置，其中设置有推力轴承装置壳体的底部以及由径向轴承装置和推力轴承装置可旋转地支撑的可渗透材料的旋转轴，以延伸穿过径向轴承装置。磁性流体密封部分以距离径向轴承部分预定间隔的方式设置在壳体的开口侧上，从而在磁性流体密封部分和填充在径向支承部分中的流体润滑剂的液体表面之间设置空间。

4. 发明授权

US4938611A Bearing apparatus 失效
标题翻译：轴承装置
公开(公告)号：US4938611A
公开(公告)日：1990-07-03
申请号：US368836
申请日：1989-06-20
申请人： Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Satoshi Uno
发明人： Katsutoshi Nii , Kazuhiko Kawaike , Hiroo Hiroyama , Satoshi Uno
IPC分类号： F16C17/10 , F16C32/04 , F16C33/10 , F16C33/74 , F16C33/82 , F16J15/43
CPC分类号： F16J15/43 , F16C33/1035 , F16C33/746
摘要： A bearing apparatus comprises a housing formed of a non-magnetizable material and having a bottom portion, a fluid lubricating type radial bearing device provided coaxial with the housing and having a magnetic fluid sealing section and a radial bearing section, a thrust bearing device provided at the bottom portion of the housing, and a rotating shaft of a permeable material rotatably supported by the radial bearing device and thr thrust bearing device to extend through the radial bearing device. The magnetic fluid sealing section is disposed on the opening side of the housing with a predetermined spacing away from the radial bearing section whereby a space is provided between the magnetic fluid sealing section and a liquid surface of fluid lubricant filled in the radial bearing section.

5. 发明授权

US4093320A Grooved spherical bearing for vertical machines 失效
标题翻译：立式机用槽形球面轴承
公开(公告)号：US4093320A
公开(公告)日：1978-06-06
申请号：US629623
申请日：1975-11-05
申请人： Ryoichi Kaneko , Katutosi Nii , Hiroo Hiroyama , Kinpei Okano
发明人： Ryoichi Kaneko , Katutosi Nii , Hiroo Hiroyama , Kinpei Okano
IPC分类号： F16C17/10 , F16C32/06 , F16C33/10
CPC分类号： F16C32/0692 , F16C17/105 , F16C33/107
摘要： A bearing consisting of a pivot having a semi-spherical or hemi-spherical end portion formed with helical grooves and immersed in lubricating oil, and a cup bearing element also immersed in lubricating oil for supporting the pivot. A plurality of helical grooves disposed on the semi-pherical end portion are formed and arranged such that the lubricating oil is supplied under pressure to sliding surfaces of the pivot and the cup bearing element. An annular recess is formed on the intake side of the grooves.
摘要翻译：由具有形成有螺旋槽并浸没在润滑油中的半球形或半球形端部的枢轴组成的轴承以及也浸没在用于支撑枢轴的润滑油中的杯轴承元件。形成并配置多个设置在半球形端部上的螺旋槽，使得润滑油在压力下供给到枢轴和杯状轴承元件的滑动面。在槽的进气侧形成有环状凹部。

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