| 摘要 |
PROBLEM TO BE SOLVED: To improve balance precision in the radial direction when a viscous coupling rotates integrally on the whole. SOLUTION: In this viscous coupling 12 provided with a casing K1 and a hub 22 arranged so as to rotate relatively centered on the same axial line, a viscous fluid chamber B1 formed between the casing K1 and the hub 22, a plurality of outer plates 38 arranged in the viscous fluid chamber B1 and attached to the casing K1, a plurality of spacer rings 42 arranged between the outer plates 38, and a plurality of inner plates 45 arranged by opposing to the outer plates 38 and attached to the hub 22 and forming cut-out parts 43 in the radial direction in the plurality of spacer rings 42, at least two spacer rings 42 are arranged by making phases in the circumferential direction of the cut-out parts 43 different. COPYRIGHT: (C)2006,JPO&NCIPI
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