Patent ID: 9729040
Date: 2017-08-08
CPC Classifications: H02K

Claim:
1. A magnetic gear device, comprising: a first magnet row in which a plurality of magnetic pole pairs are arranged at substantially equal intervals in a specific direction; a second magnet row which is opposed radially outward to the first magnet row and in which a plurality of magnetic pole pairs are arranged at substantially equal intervals in the specific direction at a pitch shorter than that of the first magnet row; and a magnetic body row which is disposed between the first magnet row and the second magnet row and in which a plurality of magnetic bodies are arranged at substantially equal intervals in the specific direction, wherein a distance between the plurality of magnetic bodies and the second magnet row is shorter than a distance between the plurality of magnetic bodies and the first magnet row, wherein the magnetic body row holds the plurality of magnetic bodies and is equipped with a partition for separating the first magnet row from the second magnet row, and the plurality of magnetic bodies are held in the partition so as to be exposed to a side of the second magnet row.