| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a magnetic gear device that prevents a failure and alleviates a force necessary for moving a movable element made of a magnet. <P>SOLUTION: A magnetic gear device includes an inner rotor 1 and an outer rotor 2 facing each other with a gap, in which a plurality of magnetic pole pairs is arranged along a particular direction at an almost equal interval. The magnetic gear device includes: an inner magnetic body column 4 that faces the inner rotor 1 with a gap and whose ferromagnetic part is disposed on one face facing the inner rotor 1; and an outer magnetic body column 3 that faces the outer rotor 2 with a gap and whose ferromagnetic part is disposed on one face facing the outer rotor 2. On one face of the outer magnetic body column 3 and on one face of the inner magnetic body column 4, a ferromagnetic part and a weak magnetic part whose magnetism is weaker than the ferromagnetic part are arranged in plural at an almost equal interval. <P>COPYRIGHT: (C)2013,JPO&INPIT |
