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    • 1. 发明专利
    • Flywheel, control moment gyroscope, and damping mechanism
    • FLYWHEEL,控制动作GYROSCOPE和阻尼机制
    • JP2007100901A
    • 2007-04-19
    • JP2005293798
    • 2005-10-06
    • Mitsubishi Precision Co Ltd三菱プレシジョン株式会社
    • SHIBATA HAJIMEOGAWA TOMOYAIMASE HIROYUKI
    • F16F15/31
    • PROBLEM TO BE SOLVED: To provide a flywheel with a damper mechanism for effectively absorbing vibration in the axial and radial directions of a shaft mounted on a base via a bearing, and to provide a control moment gyroscope. SOLUTION: The flywheel having a housing storing a rotating mass comprises a holder provided between the base and the bearing. Viscose fluid is laid between a shielding plate at the end of a bearing cartridge and an isolating plate of the base and viscose fluid and an O-ring are laid between the outer peripheral face of the bearing cartridge and the inner face of the holder. In this case, vibration in the axial direction of the shaft is absorbed by the viscose fluid laid between the outer peripheral face of the bearing cartridge and the inner face of the holder and between the isolating plate of the base and the shielding plate of the bearing cartridge, and vibration in the radial direction of the shaft is absorbed by the elasticity of the O-ring and the squeezed film damping effect of the viscose fluid. The O-ring can be located between the outer peripheral face of the holder and the base, and the viscose fluid also be located therebetween. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种具有阻尼机构的飞轮,用于通过轴承有效吸收安装在基座上的轴的轴向和径向方向上的振动,并提供控制力矩陀螺仪。 解决方案:具有容纳旋转质量块的壳体的飞轮包括设置在基座和轴承之间的保持器。 粘胶流体被放置在轴承座端部的屏蔽板和基体的隔离板和粘胶流体之间,并且O形环被放置在轴承盒的外周面和保持器的内表面之间。 在这种情况下,轴的轴向的振动被布置在轴承座的外周面和保持架的内表面之间以及基座的隔离板和轴承的屏蔽板之间的粘胶流体吸收 筒体和轴的径向振动被O型圈的弹性和粘性液体的挤压薄膜阻尼效应所吸收。 O形环可以位于支架的外周面和底座之间,粘胶流体也位于它们之间。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Flywheel, control moment gyro and slide damping mechanism
    • FLYWHEEL,控制动力GYRO和滑动阻尼机制
    • JP2006038209A
    • 2006-02-09
    • JP2004346013
    • 2004-11-30
    • Mitsubishi Precision Co Ltd三菱プレシジョン株式会社
    • SHIBATA HAJIMEHOSHINO KAZUOOGAWA TOMOYAIMASE HIROYUKI
    • F16F15/30B64G1/28F16C27/00F16C27/06F16F15/31
    • B64G1/283B64G1/285F16C25/08F16C2326/47F16C2361/55
    • PROBLEM TO BE SOLVED: To provide a flywheel provided with an effective damping mechanism for absorbing vibration in radial direction of a shaft, and a control moment gyro.
      SOLUTION: In the flywheel which is provided with the shaft rotatably mounted via a bearing to a base connected with a housing and accommodates low teaching mass which is mounted to the shaft, it is provided with a tubular holder between the base and the bearing and simultaneously interposes viscous fluid and O-ring between outer peripheral surface of a bearing cartridge and inner surface of the holder. The flywheel is capable of absorbing vibration in axial direction of the shaft by the viscous fluid between the outer peripheral surface of the bearing cartridge and the inner surface of the holder and capable of absorbing vibration in radial direction of the shaft due to elasticity of the O-ring and squeeze film damper effect of the viscous fluid. The flywheel may interpose position of the O-ring between the outer peripheral surface of the holder and the base and moreover may interpose the viscous fluid between them.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种设置有用于吸收轴的径向振动的有效阻尼机构的飞轮和控制力矩陀螺仪。

      解决方案:在设有轴通过轴承可旋转地安装到与壳体连接的基座的飞轮中并且容纳安装到轴上的低教学质量的飞轮中,在其设置有在基座和 轴承并同时将粘性流体和O形环插入到轴承座的外周表面和保持器的内表面之间。 飞轮能够通过轴承筒的外周表面和保持器的内表面之间的粘性流体吸收轴的轴向振动,并且能够吸收由于O的弹性引起的轴的径向振动 粘滞流体的挤压薄膜阻尼器效应。 飞轮可以将O形环的位置插入在支架的外周表面和基座之间,并且还可以将粘性流体插入它们之间。 版权所有(C)2006,JPO&NCIPI

    • 3. 发明专利
    • Flywheel
    • 飞轮
    • JP2006166527A
    • 2006-06-22
    • JP2004351382
    • 2004-12-03
    • Mitsubishi Precision Co Ltd三菱プレシジョン株式会社
    • SHIBATA HAJIMETANABE KAZUHISAOGAWA TOMOYA
    • H02K1/27H02K7/02H02K21/24
    • Y02E60/16
    • PROBLEM TO BE SOLVED: To provide a flywheel employing a brushless DC motor realizing the stabilization of output and low power consumption.
      SOLUTION: The stator comprises the coil of a brushless DC motor, and the rotor comprises a permanent magnet onto which the field of the coil acts and the rotor is rotated by rotating the field on the stator side. In the flux density distribution of the permanent magnet, intermediate portion is made constant substantially. Output torque can be made constant and stabilized through control for feeding a current to the coil of the rotor when the flux density distribution of the permanent magnet in the rotor is in the intermediate flat portion. Consequently, loss is reduced and low power consumption can be realized.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种使用实现稳定输出和低功耗的无刷直流电动机的飞轮。 解决方案:定子包括无刷直流电动机的线圈,并且转子包括永磁体,线圈的磁场作用在该永磁体上,并且转子通过旋转定子侧上的磁场而旋转。 在永磁体的磁通密度分布中,使中间部分基本上保持恒定。 当转子中的永磁体的磁通密度分布处于中间平坦部分时,通过控制向转子的线圈馈送电流,可以使输出转矩恒定并稳定。 因此,可以降低损耗并实现低功耗。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Flywheel
    • 飞轮
    • JP2006007886A
    • 2006-01-12
    • JP2004185587
    • 2004-06-23
    • Mitsubishi Precision Co Ltd三菱プレシジョン株式会社
    • SHIBATA HAJIMEHOSHINO KAZUOOGAWA TOMOYA
    • B64G1/28
    • PROBLEM TO BE SOLVED: To heighten adjustment accuracy without reassembly at the time of fine adjustment in a flywheel.
      SOLUTION: This flywheel has a rotating mass rotating with a shaft as a center, and a housing accommodating the rotating mass. A balance adjusting member is provided on a face opposed to a housing side face of the rotating mass, and a balance adjusting hole is provided on the housing side face. Because the balance adjusting member of the rotating mass can be moved through the balance adjusting hole, adjustment accuracy can be heightened without a need to open, close and assemble the housing at the time of fine adjustment.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:在飞轮中进行微调时,不需要重新组装来提高调整精度。

      解决方案:该飞轮具有以轴为中心旋转的旋转质量,以及容纳旋转块的壳体。 平衡调整构件设置在与旋转体的壳体侧面相对的面上,在壳体侧面设置有平衡调整孔。 由于旋转体的平衡调节构件能够通过平衡调整孔移动,因此在微调时不需要打开,关闭和组装壳体,可以提高调整精度。 版权所有(C)2006,JPO&NCIPI

    • 6. 发明专利
    • MAGNETIC BEARING ACCELERATION/ANGULAR VELOCITY SENSOR
    • JPH0518991A
    • 1993-01-26
    • JP19825991
    • 1991-07-15
    • MITSUBISHI PRECISION CO LTD
    • SHIBATA HAJIME
    • G01C19/02G01C19/42G01P15/14G01P15/18
    • PURPOSE:To detect the accelerations in three-axis directions and the angular velocities in two-axis directions. CONSTITUTION:A rotor 101, position sensors 103a to 103h for detecting its position, and a position detecting means for detecting the positions in mutually perpendicular three-axis directions of the rotor 101 and the position around two-axes of the rotor 101 from their outputs are provided. Further, cross feedback means 111a, 111b for cross-feedbacking respective detected outputs around two axes each other, amplifiers 112a to 112h for combining the outputs in three- axis from the position detecting means and the outputs around two axes through the cross-feedbacking means respectively and for outputting the combination of the outputs to the electromagnet coils 113a to 113h of a magnetic bearing, and adder/subtractors 105a to 105e for computing the positions in the three-axis directions and around the two aces of the rotor 101 from the combination of the outputs of the amplifiers 112a to 112h are provided. The accelerations of the directions are detected by differentiating the outputs of the position detecting means or the outputs in the three-axis directions of the adder/subtractors twice respectively, and the angular velocities around axes are detected by differentiating the outputs around two axes once respectively.