FLYWHEEL, CONTROL MOMENT GYRO AND SLIDE DAMPING MECHANISM

摘要

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.

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