| 摘要 |
PROBLEM TO BE SOLVED: To suppress vibration due to a variation in load torque in one rotation. SOLUTION: The annular cylinder chamber (C1, C2) of a cylinder (21) is divided into an outer cylinder chamber (C1) and an inner cylinder chamber (C2) by an annular piston (22). The cylinder (21) is eccentrically rotated by the driving of a motor (30), and the volume of each of the outer cylinder chamber (C1) and the inner cylinder chamber (C2) is varied. The volume ratio Vr of the inner cylinder chamber (C2) to the outer cylinder chamber (C1) is set at approximately 0.7, and the output torque of the motor (30) is varied according to the variation in load torque in one rotation. COPYRIGHT: (C)2010,JPO&INPIT
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