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    • 12. 发明授权
    • Fluid dynamic bearing system
    • 流体动力轴承系统
    • US08182154B2
    • 2012-05-22
    • US12080454
    • 2008-04-03
    • Martin BauerJurgen FleigStefan SchwambergerMartin EngesserIgor RossThilo Rehm
    • Martin BauerJurgen FleigStefan SchwambergerMartin EngesserIgor RossThilo Rehm
    • F16C32/06F16C17/10
    • F16C17/107F16C33/107F16C33/1085F16C33/74F16C2370/12
    • The invention relates to a fluid dynamic bearing system that comprises at least one stationary part that has a shaft and two bearing plates disposed on the shaft at a mutual spacing, and at least one rotating part that is supported so as to rotate about a rotational axis with respect to the stationary part, and comprises a bearing bush and a sleeve enclosing the bearing bush. A bearing gap filled with bearing fluid is provided between the parts and at least one sealing gap for sealing the bearing gap that extends concentric to the rotational axis. The bearing comprises at least one fluid dynamic radial bearing and two fluid dynamic axial bearings and at least one recirculation channel that connects the two axial bearing regions to each other. According to the invention, the largest radial diameter of the recirculation channel is greater than or equal to the largest diameter of the sealing gap, and the smallest radial diameter of the recirculation channel is greater than or equal to the largest diameter of an adjacent bearing plate. Moreover, additional and effective deairing of the recirculation channel is effected by a venting device. To realize improved equilibrium of pressure in the bearing gap and improved retention of the bearing fluid, the sealing gaps can be inclined, at least in sections, at an angle α, β with respect to the rotational axis, wherein the angles may have different sizes.
    • 本发明涉及一种流体动力轴承系统,其包括至少一个固定部件,该固定部件具有轴和两个以相互间隔设置在轴上的支承板,以及至少一个旋转部件,其被支撑成围绕旋转轴线 相对于固定部分,并且包括轴承衬套和包围轴承衬套的套筒。 填充有轴承流体的轴承间隙设置在部件和至少一个密封间隙之间,用于密封与旋转轴线同心延伸的轴承间隙。 轴承包括至少一个流体动态径向轴承和两个流体动态轴向轴承以及将两个轴向轴承区域彼此连接的至少一个再循环通道。 根据本发明,再循环通道的最大径向直径大于或等于密封间隙的最大直径,并且再循环通道的最小径向直径大于或等于相邻承载板的最大直径 。 此外,再循环通道的附加和有效的脱气由排气装置实现。 为了实现轴承间隙中的压力平衡改善和轴承流体的保持性得到改善,密封间隙可以至少以剖面形式倾斜角度α和bgr; 相对于旋转轴线,其中角度可以具有不同的尺寸。
    • 14. 发明授权
    • Spindle motor
    • 主轴电机
    • US07625125B2
    • 2009-12-01
    • US11639507
    • 2006-12-14
    • Andreas KullMartin BauerFrank Drautz
    • Andreas KullMartin BauerFrank Drautz
    • F16C32/06
    • F16C17/10F16C17/026F16C33/107F16C2370/12G11B19/2018
    • The invention relates to a spindle motor having a fluid dynamic bearing system used particularly for driving the storage disks of hard disk drives, having a baseplate, a stationary bearing bush disposed in an opening in the baseplate, a shaft rotatably supported in an axial bore in the bearing bush by means of the fluid dynamic bearing system, a hub connected to the shaft, and an electromagnetic drive system. In order to increase the stiffness of the motor system, according to the invention the bearing bush is provided with a flange that is fixed in the opening in the baseplate and whose outside diameter is distinctly larger than the outside diameter of the bearing bush. Instead of a flange at the outer diameter of the bearing bush there can be provided a sleeve at the base plate which receives the bearing bush at least partly.
    • 本发明涉及一种主轴电动机,其具有特别用于驱动硬盘驱动器的存储盘的流体动态轴承系统,其具有基板,设置在基板中的开口中的固定轴承衬套,可旋转地支撑在轴向孔中的轴 通过流体动力轴承系统的轴承衬套,连接到轴的轮毂和电磁驱动系统。 为了增加电动机系统的刚度,根据本发明,轴承衬套设置有凸缘,该凸缘固定在基板的开口中,并且其外径明显大于轴承衬套的外径。 代替在轴承衬套的外径处的凸缘,可以在底板处设置有至少部分地接收轴承衬套的套筒。
    • 15. 发明申请
    • Fluid dynamic bearing having pressure-generating surface patterns
    • 具有压力产生表面图案的流体动力轴承
    • US20080205805A1
    • 2008-08-28
    • US12069679
    • 2008-02-12
    • Martin Bauer
    • Martin Bauer
    • F16C32/06
    • F16C17/107F16C32/0659F16C33/107F16C33/1085F16C2370/12
    • The invention relates to a fluid dynamic bearing system having pressure-generating surface patterns that comprises at least two bearing parts that are rotatable with respect to one another and form a bearing gap filled with bearing fluid between associated bearing surfaces. The surface patterns are disposed on at least one bearing surface that is defined by a first rim and a second rim, hydrodynamic pressure being built up within the bearing gap on rotation of the bearing parts with respect to one another. According to the invention, at least parts of the surface patterns extend from the first rim to the second rim of the bearing surface.
    • 本发明涉及一种流体动力轴承系统,其具有产生压力的表面图案,其包括可相对于彼此旋转的至少两个轴承部分,并且在相关联的轴承表面之间形成填充有轴承流体的轴承间隙。 表面图案设置在由第一边缘和第二边缘限定的至少一个支承表面上,当轴承部件相对于彼此旋转时,流体动力学压力在轴承间隙内积累。 根据本发明,至少部分表面图案从支承表面的第一边缘延伸到第二边缘。
    • 16. 发明申请
    • Spindle motor
    • 主轴电机
    • US20070147716A1
    • 2007-06-28
    • US11639507
    • 2006-12-14
    • Andreas KullMartin BauerFrank Drautz
    • Andreas KullMartin BauerFrank Drautz
    • F16C32/06
    • F16C17/10F16C17/026F16C33/107F16C2370/12G11B19/2018
    • The invention relates to a spindle motor having a fluid dynamic bearing system used particularly for driving the storage disks of hard disk drives, having a baseplate, a stationary bearing bush disposed in an opening in the baseplate, a shaft rotatably supported in an axial bore in the bearing bush by means of the fluid dynamic bearing system, a hub connected to the shaft, and an electromagnetic drive system. In order to increase the stiffness of the motor system, according to the invention the bearing bush is provided with a flange that is fixed in the opening in the baseplate and whose outside diameter is distinctly larger than the outside diameter of the bearing bush. Instead of a flange at the outer diameter of the bearing bush there can be provided a sleeve at the base plate which receives the bearing bush at least partly.
    • 本发明涉及一种主轴电动机,其具有特别用于驱动硬盘驱动器的存储盘的流体动态轴承系统,其具有基板,设置在基板中的开口中的固定轴承衬套,可旋转地支撑在轴向孔中的轴 通过流体动力轴承系统的轴承衬套,连接到轴的轮毂和电磁驱动系统。 为了增加电动机系统的刚度,根据本发明,轴承衬套设置有凸缘,该凸缘固定在基板的开口中,并且其外径明显大于轴承衬套的外径。 代替在轴承衬套的外径处的凸缘,可以在底板处设置有至少部分地接收轴承衬套的套筒。
    • 17. 发明申请
    • Method and apparatus for error-tolerant data transfer for a CT system
    • 用于CT系统的容错数据传输的方法和装置
    • US20050249326A1
    • 2005-11-10
    • US11112534
    • 2005-04-22
    • Stefan PopescuMartin BauerWolfgang EdlerGerd Neubauer
    • Stefan PopescuMartin BauerWolfgang EdlerGerd Neubauer
    • A61B6/03A61B6/00G01N23/00G01N23/04G01N23/06G21K1/12H04L1/24H04L12/56H05G1/60
    • G01N23/046A61B6/586G01N2223/419
    • In a CT system and a method for error-tolerant data transfer between a data acquisition unit and an image reconstruction unit therein, digital data are divided into data packets and are transferred as a data stream from a transmission device to a reception device and are buffered in the reception device for further processing. The data packets are selected such that they respectively contain the data of a segment of a detector row or of a complete detector row of the CT system. Incomplete and/or missing focal paths are detected in the reception device and a storage region is reserved and marked as incorrect for these data packets. The incorrect and/or missing data packets are later interpolated from the data of adjacent detector rows and/or adjacent segments of a detector row and/or successive projections precede or follow the incorrect and/or missing data packets. Missing data packets due to transfer interferences can also be tolerated.
    • 在CT系统和数据采集单元与图像重建单元之间的容错数据传输方法中,数字数据被分割为数据分组,并作为数据流从传输设备传送到接收设备,并被缓存 在接收装置中用于进一步处理。 选择数据分组,使得它们分别包含CT系统的检测器行或完整检测器行的段的数据。 在接收设备中检测到不完整和/或丢失的焦点路径,并且保留一个存储区域并将其标记为对于这些数据分组不正确。 稍后从检测器行的相邻检测器行的数据和/或检测器行的相邻段和/或连续的突变之前插入不正确的和/或丢失的数据分组,在不正确的和/或丢失的数据分组之前或之后。 还可以容忍由于传输干扰导致的丢失数据包。
    • 18. 发明申请
    • DETERMINING A RANGE OF MOTION OF AN ARTIFICIAL KNEE JOINT
    • 确定人造膝关节运动的范围
    • US20150148653A1
    • 2015-05-28
    • US14405427
    • 2012-06-13
    • Oliver FleigChristian BrackZohar LederMartin Bauer
    • Oliver FleigChristian BrackZohar LederMartin Bauer
    • A61B5/11A61B19/00
    • A61B5/1121A61B5/1072A61B5/4585A61B34/10A61B34/20A61B90/361A61B90/39A61B2034/104A61B2034/2055A61B2090/397
    • A data processing method for determining a range of motion of an artificial knee joint which connects a femur and a tibia via a medial ligament and a lateral ligament, wherein at least the femur comprises an implant which forms a medial condyle and a lateral condyle, the method comprising the steps of: acquiring the maximum lengths of the lateral ligament and the medial ligament for a particular flexion angle of the knee joint; calculating a first virtual position between the femur and the tibia in which the lateral condyle of the femoral implant touches the tibia and the medial ligament is stretched to its maximum length; calculating a maximum valgus angle of the range of motion from the first virtual position; calculating a second virtual position between the femur and the tibia in which the medial condyle of the femoral implant touches the tibia and the lateral ligament is stretched to its maximum length; and calculating a maximum varus angle of the range of motion from the second virtual position.
    • 一种数据处理方法,用于确定经由内侧韧带和侧面韧带连接股骨和胫骨的人造膝关节的运动范围,其中至少股骨包括形成内侧髁和外侧髁的植入物, 方法包括以下步骤:获取膝关节的特定屈曲角度的侧韧带和内侧韧带的最大长度; 计算股骨和胫骨之间的第一虚拟位置,其中股骨植入物的外侧髁接触胫骨并且内侧韧带被拉伸至其最大长度; 计算来自第一虚拟位置的运动范围的最大外翻角; 计算股骨和胫骨之间的第二虚拟位置,其中股骨植入物的内髁接触胫骨并且横向韧带被拉伸至其最大长度; 以及计算来自所述第二虚拟位置的所述运动范围的最大内翻角。
    • 20. 发明授权
    • Fluid dynamic bearing having pressure-generating surface patterns
    • 具有压力产生表面图案的流体动力轴承
    • US08585290B2
    • 2013-11-19
    • US12069679
    • 2008-02-12
    • Martin Bauer
    • Martin Bauer
    • F16C32/06
    • F16C17/107F16C32/0659F16C33/107F16C33/1085F16C2370/12
    • The invention relates to a fluid dynamic bearing system having pressure-generating surface patterns that comprises at least two bearing parts that are rotatable with respect to one another and form a bearing gap filled with bearing fluid between associated bearing surfaces. The surface patterns are disposed on at least one bearing surface that is defined by a first rim and a second rim, hydrodynamic pressure being built up within the bearing gap on rotation of the bearing parts with respect to one another. According to the invention, at least parts of the surface patterns extend from the first rim to the second rim of the bearing surface.
    • 本发明涉及一种流体动力轴承系统,其具有产生压力的表面图案,其包括可相对于彼此旋转的至少两个轴承部分,并且在相关联的轴承表面之间形成填充有轴承流体的轴承间隙。 表面图案设置在由第一边缘和第二边缘限定的至少一个支承表面上,当轴承部件相对于彼此旋转时,流体动力学压力在轴承间隙内积累。 根据本发明,至少部分表面图案从支承表面的第一边缘延伸到第二边缘。