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1. 发明授权

US06538836B1 Microactuator for fine positioning in a disc drive 失效
公开(公告)号：US06538836B1
公开(公告)日：2003-03-25
申请号：US08438091
申请日：1995-05-08
申请人： John Charles Dunfield , Gunter Karl Heine
发明人： John Charles Dunfield , Gunter Karl Heine
IPC分类号： G11B2102
CPC分类号： G11B5/5552
摘要： An actuator arm assembly is provided in a disc drive. The disc drive includes a disc with a surface for storing information and a first actuator for moving the actuator arm assembly relative to the surface of the disc. The actuator arm assembly includes an actuator arm coupled to the first actuator, a load beam coupled to the actuator arm, a suspension coupled to the load beam and an air bearing coupled to the suspension. A transducer is mounted on the air bearing and positioned to access the surface of the disc. A second actuator is coupled to the air bearing and the load beam and is controllable to move the air bearing relative to the surface of the disc and relative to the load beam.

2. 发明授权

US06335850B1 Microactuator for fine positioning in a disc drive 失效
标题翻译：用于在光盘驱动器中精细定位的微型致动器
公开(公告)号：US06335850B1
公开(公告)日：2002-01-01
申请号：US09497688
申请日：2000-02-04
申请人： John Charles Dunfield , Gunter Karl Heine
发明人： John Charles Dunfield , Gunter Karl Heine
IPC分类号： G11B556
CPC分类号： G11B5/5552
摘要： An actuator arm assembly is provided in a disc drive. The disc drive includes a disc with a surface for storing information and a first actuator for moving the actuator arm assembly relative to the surface of the disc. The actuator arm assembly includes an actuator arm coupled to the first actuator, a load beam coupled to the actuator arm, a suspension coupled to the load beam and an air bearing coupled to the suspension. A transducer is mounted on the air bearing and positioned to access the surface of the disc. A second actuator is coupled to the air bearing and the load beam and is controllable to move the air bearing relative to the surface of the disc and relative to the load beam.
摘要翻译：驱动器臂组件设置在盘驱动器中。盘驱动器包括具有用于存储信息的表面的盘和用于相对于盘的表面移动致动器臂组件的第一致动器。致动器臂组件包括联接到第一致动器的致动器臂，耦合到致动器臂的负载梁，耦合到负载梁的悬架和联接到悬架的空气轴承。传感器安装在空气轴承上并定位成进入盘的表面。第二致动器联接到空气轴承和负载梁并且可控制以相对于盘的表面和相对于负载梁移动空气轴承。

3. 发明授权

US5694268A Spindle motor having overmolded stator 失效
标题翻译：主轴电机具有包覆成型定子
公开(公告)号：US5694268A
公开(公告)日：1997-12-02
申请号：US550175
申请日：1995-10-30
申请人： John Charles Dunfield , Gunter Karl Heine
发明人： John Charles Dunfield , Gunter Karl Heine
IPC分类号： G11B19/20 , G11B25/04 , H02K1/18 , G11B17/02 , H02K5/24 , H02K7/14
CPC分类号： G11B19/2018 , H02K1/185 , H02K1/187 , G11B25/043
摘要： A disc drive spindle motor for rotating at least one disc in a data storage device includes a base, a shaft, a rotor and a stator. A bearing interconnects the rotor with the shaft and allows the rotor to rotate about the shaft. An overmold encapsulates at least a portion of the stator and provides the stator with a smooth external surface. The overmold mechanically isolates the stator from the base and damps sympathetic vibrations in the stator structure to reduce the generation of acoustic noise in the storage device.
摘要翻译：用于旋转数据存储装置中的至少一个盘的盘驱动主轴电机包括基座，轴，转子和定子。轴承将转子与轴相互连接并允许转子绕轴旋转。包覆模制封装了定子的至少一部分，并为定子提供了光滑的外表面。包覆模具将定子与基座机械隔离，并且抑制定子结构中的交感振动，以减少存储装置中的声音噪声的产生。

4. 发明授权

US06819023B1 Magnetizing apparatus 失效
标题翻译：磁化装置
公开(公告)号：US06819023B1
公开(公告)日：2004-11-16
申请号：US09631438
申请日：2000-08-02
申请人： Donald J. MacLeod , Greg Zariphopoulos , Robert M. Pelstring , Alain Cassat , Gunter Karl Heine
发明人： Donald J. MacLeod , Greg Zariphopoulos , Robert M. Pelstring , Alain Cassat , Gunter Karl Heine
IPC分类号： H02K2112
CPC分类号： H02K15/03
摘要： A circular magnetizer is disclosed comprising circular insulating inset holding pans of axially disposed wires, each pair carrying a current oppositely directed from the adjacent pair, the insert being disposed within and facing a back iron across a circular gap of sufficient width to allow a circular magnet to be disposed therein and spaced by a gap from the insert and/or back iron. The pan's of wires are arranged to create flux lines which will establish alternating magnetic poles separated by null zones in the magnet.
摘要翻译：公开了一种圆形磁化器，其包括轴向布置的导线的圆形绝缘插入保持盘，每对承载相对于相邻对的电流，插入件设置在足够宽度的圆形间隙内并面向后铁，以允许圆形磁体设置在其中并与插入件和/或后铁间隔开。电极盘布置成产生磁通线，其将建立由磁体中的空区域分开的交变磁极。

5. 发明授权

US6005748A Spindle motor with multiple thrust plate fluid dynamic bearing 失效
公开(公告)号：US6005748A
公开(公告)日：1999-12-21
申请号：US994100
申请日：1997-12-19
申请人： Gunter Karl Heine , Raquib Uddin Khan , Mohamed Mizanur Rahman , Hans Leuthold
发明人： Gunter Karl Heine , Raquib Uddin Khan , Mohamed Mizanur Rahman , Hans Leuthold
IPC分类号： F16C17/10 , F16C33/10 , G11B5/48 , G11B19/20 , G11B25/04 , H02K7/08 , G11B17/02
CPC分类号： G11B19/2009 , F16C17/107 , G11B25/043
摘要： A method to create an improved hydrodynamic bearing which is relatively insensitive to changes in load and rotational speed is provided, wherein the hydrodynamic bearing is useful in a spindle motor for a disc drive or the like which is stiffer than known standard spindle motors so that the stability of the system and specifically of the actuator arm and transducer relative to the rotating disc is optimized. The hydrodynamic bearing can also be used as a bearing cartridge or as the cartridge that may be incorporated into a spindle motor or the like, where the bearing includes a shaft and at least two independent bearings each comprising a thrust plate supported on the shaft and a counter plate incorporated in a sleeve which is capable of relative rotation around the shaft.

6. 发明授权

US5997179A Multifluid application in hydrodynamic fluid bearing to reduce evaporation and control stiffness and other bearing performance 失效
标题翻译：多流体应用于流体动力流体轴承，以减少蒸发和控制刚度等轴承性能
公开(公告)号：US5997179A
公开(公告)日：1999-12-07
申请号：US64804
申请日：1998-04-22
申请人： Raquib Uddin Khan , Gunter Karl Heine , Mohamed Mizanur Rahman
发明人： Raquib Uddin Khan , Gunter Karl Heine , Mohamed Mizanur Rahman
IPC分类号： F16C33/10 , G11B19/20 , F16C17/10
CPC分类号： G11B19/2018 , F16C33/10 , F16C33/1035 , F16C2370/12
摘要： The hydrodynamic bearing gap from one end to the other of the shaft and sleeve combination is effectively separated into sections, with the fluid in each bearing section being contained within that section. The viscosity of the fluid in each bearing section can then be selected to optimize the characteristics of the entire hydrodynamic bearing. Typically, the sections of the bearing adjacent each open end of the bearing would be filled with a fluid with relatively high viscosity. The remaining sections, toward the center of bearing, would typically be filled with a lower viscosity fluid, liquid or gas so that the power consumption within the motor itself would be minimized.
摘要翻译：轴和套筒组合的一端到另一端的流体动力轴承间隙被有效地分成多个部分，每个轴承部分中的流体都包含在该部分内。然后可以选择每个轴承部分中的流体的粘度以优化整个流体动力轴承的特性。通常，与轴承的每个开口端相邻的轴承部分将填充有具有较高粘度的流体。剩余部分朝向轴承中心通常将填充较低粘度的流体，液体或气体，使得电动机本身内的功率消耗将最小化。

7. 发明授权

US5850318A Slotless spindle motor for disc drive 失效
标题翻译：无盘主轴电机用于磁盘驱动器
公开(公告)号：US5850318A
公开(公告)日：1998-12-15
申请号：US731073
申请日：1996-10-09
申请人： John C. Dunfield , Gunter Karl Heine , Marcel Jufer
发明人： John C. Dunfield , Gunter Karl Heine , Marcel Jufer
IPC分类号： G11B19/20 , H02K3/04 , H02K3/28 , H02K5/16 , H02K5/173 , H02K7/08 , H02K15/04 , H02K21/12 , H02K21/14 , H02K21/22 , H02K29/00 , G11B17/02
CPC分类号： G11B19/2009 , H02K15/0478 , H02K21/12 , H02K21/14 , H02K21/22 , H02K5/163 , H02K7/085 , H02K7/086 , H02K3/04 , H02K3/28 , H02K5/173
摘要： A disc drive data storage system according to the present invention comprises a housing, a central axis, a stationary member which is fixed with respect to the housing and coaxial with the central axis, and a rotatable member which is rotatable about the central axis with respect to the stationary member. At least one data storage disc is attached to and is coaxial with the rotatable member. Upper and lower ball bearing assemblies interconnect the stationary member and the rotatable member. At least one rotor magnet is attached to the rotatable member. A back-iron is supported by the stationary member. A stator winding is attached to the back-iron and has a slotless structure. The rotor magnet, back-iron and stator winding have a common axial position along the central axis and the stator winding is magnetically coupled to the rotor magnet such that the stator winding and the rotor magnet cooperate to reduce excitation of pure tone vibrations in the disc drive data storage system and to reduce transfer of the vibrations to the housing through the ball bearing assemblies.
摘要翻译：根据本发明的盘驱动器数据存储系统包括壳体，中心轴线，相对于壳体固定并与中心轴线同轴的固定构件，以及可旋转构件，其可围绕中心轴线相对于到固定构件。至少一个数据存储盘被附接到可旋转构件并且与可旋转构件同轴。上和下滚珠轴承组件将固定构件和可旋转构件互连。至少一个转子磁体连接到可旋转构件。后铁由固定构件支撑。定子绕组安装在后铁上，具有无槽结构。转子磁铁，后铁和定子绕组沿着中心轴具有共同的轴向位置，并且定子绕组磁耦合到转子磁体，使得定子绕组和转子磁体配合以减少盘中的纯音振动的激发驱动数据存储系统并且通过球轴承组件减少振动传递到壳体。

8. 发明授权

US06292328B1 Both ends open fluid dynamic bearing having a journal in combination with a conical bearing 失效
标题翻译：两端打开流体动力轴承，其具有与锥形轴承组合的轴颈
公开(公告)号：US06292328B1
公开(公告)日：2001-09-18
申请号：US09536265
申请日：2000-03-27
申请人： Mohamed Mizanur Rahman , Gunter Karl Heine , Hans Leuthold , Raquib Uddin Khan
发明人： Mohamed Mizanur Rahman , Gunter Karl Heine , Hans Leuthold , Raquib Uddin Khan
IPC分类号： G11B1702
CPC分类号： G11B19/2009 , F16C17/102 , F16C33/107 , F16C33/745 , F16C2370/12 , G11B19/2018 , G11B19/2036
摘要： A method of creating an improved hydrodynamic fluid bearing is provided which is relatively insensitive to shock vibration changes in load and rotational speed. The hydrodynamic bearing motor in which the bearing is open at both the upper and lower ends, and in which the balance of fluid flow within the bearings is maintained. The assembly of the hydrodynamic bearing is more easily assembled, and the gaps are easily adjusted. In the design of the hydrodynamic bearing, the tolerances for assembly of the various components is minimized; that is, the critical nature of many of the gaps is diminished.
摘要翻译：提供了一种创建改进的流体动力流体轴承的方法，其对负载和转速的冲击振动变化相对不敏感。其中轴承在上端和下端都是敞开的流体动力轴承电动机，并保持轴承内的流体平衡。流体动力轴承的组装更容易组装，并且容易调节间隙。在流体动力轴承的设计中，各种部件的组装公差最小化; 也就是说，许多差距的关键性质就会减弱。

9. 发明授权

US6069768A Spindle motor with multiple thrust plate fluid dynamic bearing 有权
标题翻译：主轴电机带多个推力板流体动力轴承
公开(公告)号：US6069768A
公开(公告)日：2000-05-30
申请号：US300006
申请日：1999-04-26
申请人： Gunter Karl Heine , Raquib Uddin Khan , Mohamed Mizanur Rahman , Hans Leuthold
发明人： Gunter Karl Heine , Raquib Uddin Khan , Mohamed Mizanur Rahman , Hans Leuthold
IPC分类号： F16C17/10 , F16C33/10 , G11B5/48 , G11B19/20 , G11B25/04 , H02K7/08 , G11B17/02 , F16C32/06
CPC分类号： G11B19/2009 , F16C17/107 , G11B25/043
摘要： A method to create an improved hydrodynamic bearing which is relatively insensitive to changes in load and rotational speed is provided, wherein the hydrodynamic bearing is useful in a spindle motor for a disc drive or the like which is stiffer than known standard spindle motors so that the stability of the system and specifically of the actuator arm and transducer relative to the rotating disc is optimized. The hydrodynamic bearing can also be used as a bearing cartridge or as the cartridge that may be incorporated into a spindle motor or the like, where the bearing includes a shaft and at least two independent bearings each comprising a thrust plate supported on the shaft and a counter plate incorporated in a sleeve which is capable of relative rotation around the shaft.
摘要翻译：提供了一种创建对载荷和转速变化相对不敏感的改进的流体动力轴承的方法，其中，流体动力轴承可用于比已知标准主轴马达更硬的盘驱动器等的主轴电机，使得优化了系统，特别是致动器臂和换能器相对于旋转盘的稳定性。流体动力轴承还可以用作轴承筒或作为可以并入主轴电机等的盒，其中轴承包括轴和至少两个独立的轴承，每个轴承包括支撑在轴上的止推板和计数板结合在能够围绕轴相对旋转的套筒中。

10. 发明授权

US5664314A Method of making a spindle motor to allow magnetic alignment between the magnet and the stator in the motor 失效
标题翻译：制造主轴电动机以允许电动机中的磁体和定子之间磁性对准的方法
公开(公告)号：US5664314A
公开(公告)日：1997-09-09
申请号：US437452
申请日：1995-05-08
申请人： Robert Michael Pelstring , Gunter Karl Heine
发明人： Robert Michael Pelstring , Gunter Karl Heine
IPC分类号： G11B19/20 , H02K15/03 , H02K15/16
CPC分类号： H02K15/16 , G11B19/2009 , H02K15/03 , Y10T29/49009 , Y10T29/49025
摘要： A spindle motor in a disc drive has a rotor assembly rotatably mounted to a base. A stator is mounted to the base and a magnet is mounted to the rotor assembly. The magnet or the stator is allowed to move in an axial direction relative to the other under the influence of magnetic interaction between the magnet and the stator. The magnet and stator are then rigidly fixed relative to one another in the axial direction.
摘要翻译：盘驱动器中的主轴电动机具有可旋转地安装到基座的转子组件。定子被安装到基座上，并且磁体安装到转子组件上。在磁体和定子之间的磁相互作用的影响下，允许磁体或定子相对于另一个在轴向方向上移动。然后，磁体和定子在轴向上相对于彼此刚性地固定。

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