| 摘要 |
PROBLEM TO BE SOLVED: To silently and smoothly transmit motive power; to provide high transmission efficiency; and to reduce the size by remarkably shortening the shaft directional length. SOLUTION: A cylindrical rotor 72 is fitted to the outer diameter side of a low speed side ring 54 via a key 91. The low speed side ring 54 is fitted to an outer ring 32 by a spline. Thus, when an electric motor M drives the rotor 72, the low speed side ring 54 and the outer ring 32 rotate together with the rotor 72, and a high speed side shaft 17 rotates at a high speed by increasing the speed by the action of a wedge roller type speed increaser A so that an impeller 61 can be rotatably driven. COPYRIGHT: (C)2004,JPO
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