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    • 2. 发明授权
    • Roller washer bearing and method
    • 滚子垫圈轴承及方法
    • US06036422A
    • 2000-03-14
    • US119511
    • 1998-07-20
    • Robert W. PostmaRobert B. PanBrian T. HamadaLouis K. Herman
    • Robert W. PostmaRobert B. PanBrian T. HamadaLouis K. Herman
    • F16B5/02F16B43/00
    • F16B5/0241Y10T403/21
    • A linear roller washer bearing in a bolt interface assembly allows relative differential thermal expansion and contraction motion between a component plate and a base plate fastened together by a bolt without inducing large strains and stresses upon the bolt. The roller washer bearing functions as a thin spacer between the component and base plates enabling high preload tightening of the bolted assembly while enabling relative bidirectional motion of the plates. The roller washer bearing is a multiple roller assembly with thin rollers arranged unidirectionally and horizontally in parallel between the top and bottom washer plates. The rollers roll back and forth to enable relative back and forth alternating unidirectional motion of the component and base plates while the full strength of the bolt remains available to the support the component plate without creating high friction shear forces.
    • 在螺栓接口组件中的线性滚柱垫圈支承件允许组件板和由螺栓紧固在一起的基板之间的相对差别的热膨胀和收缩运动,而不会在螺栓上引起大的应变和应力。 滚子垫圈轴承用作部件和底板之间的薄间隔件,可实现螺栓连接组件的高预紧力,同时实现板的相对双向运动。 滚子垫圈轴承是多辊组件,其具有在顶部和底部垫圈板之间平行地单向和水平布置的薄辊。 辊子来回滚动以使得部件和基板的相对来回交替单向运动,同时螺栓的全部强度保持可用于支撑部件板而不产生高摩擦剪切力。
    • 4. 发明授权
    • Pseudo gyro with unmodeled disturbance torque estimation
    • 具有未建模的扰动扭矩估计的伪陀螺仪
    • US06263264B1
    • 2001-07-17
    • US09590569
    • 2000-06-08
    • Louis K. HermanCraig M. HeatwoleGirard M. MankeBrian T. Hamada
    • Louis K. HermanCraig M. HeatwoleGirard M. MankeBrian T. Hamada
    • G01B1126
    • B64G1/24B64G1/28B64G1/283B64G1/288B64G1/32B64G1/34B64G1/36B64G1/361
    • A pseudo gyro emulates mechanical gyros by software processes by processing space system appendage measurement data and reaction wheel tachometer data within reference and control systems of a satellite using principals of conservation of momentum to compute the vehicular bus angular velocity rate data by accounting for external torque, the momentum transfer between the satellite, the bus, and the appendages for providing accurate relative vehicular position and angular velocity rate data as an integral part of attitude reference and control systems now having higher reliability, longer life times, lower power consumption, and more accurate vehicular angular velocity rate data generated within high bandwidth operations. A specific improvement is the use of a bias torque estimator for accounting for uncertainties in external torque estimations for accurate total system momentum computations.
    • 伪陀螺仪通过软件处理仿真机械陀螺仪,通过在卫星的参考和控制系统的基准和控制系统内处理空间系统附加测量数据和反馈轮转速表数据,使用动量守恒原理,通过计算外部扭矩来计算车辆总线角速度速率数据, 卫星,公共汽车和附件之间的动量传递,提供准确的相对车辆位置和角速度数据作为姿态参考和控制系统的组成部分,现在具有更高的可靠性,更长的使用寿命,更低的功耗,更准确 在高带宽运行中产生的车速角速度数据。 具体的改进是使用偏置扭矩估计器来计算外部扭矩估计中的不确定性以用于准确的总系统动量计算。
    • 5. 发明授权
    • Flexure washer bearing and method
    • 挠性垫圈轴承和方法
    • US06022178A
    • 2000-02-08
    • US119510
    • 1998-07-20
    • Robert W. PostmaRobert B. PanBrian T. HamadaLouis K. Herman
    • Robert W. PostmaRobert B. PanBrian T. HamadaLouis K. Herman
    • F01D25/24F16B5/02F16B43/00
    • F16B43/00F01D25/243F16B5/0241Y10T403/21
    • A linear flexure washer bearing in a bolt interface assembly allows relative differential thermal expansion and contraction motion between a component plate and a base plate fastened together by a bolt without inducing large strains and stresses upon the bolt. The flexure washer bearing functions as a thin spacer between the component and base plates enabling high preload tightening of the bolted assembly while enabling relative bidirectional motion of the plates. The flexure washer is a multiple blade flexure assembly with thin flexure blades arranged unidirectionally between the top and bottom flexure plates. The elastic flexures bend to enable relative alternating unidirectional motion while the full strength of the bolt remains available to the support the component plate without creating high friction shear forces.
    • 螺栓接口组件中的线性挠性垫圈轴承允许通过螺栓紧固在一起的部件板和基板之间的相对差的热膨胀和收缩运动,而不会在螺栓上引起大的应力和应力。 挠性垫圈轴承用作部件和底板之间的薄间隔件,可实现螺栓组件的高预紧力,同时实现板的相对双向运动。 挠性垫圈是具有薄的弯曲叶片的多叶片挠曲组件,其单向地布置在顶部和底部挠曲板之间。 弹性挠曲弯曲以使得相对交替的单向运动,而螺栓的全部强度仍然可用于支撑部件板而不产生高摩擦剪切力。