Motor and electrical machinery and apparatus

摘要

P To provide a motor which can improve the processing accuracy of a permanent magnet. PSOLUTION: A cross section of the permanent magnet 22 in the vertical direction with respect to a rotating shaft 2 of the permanent magnet is symmetric in right and left direction with a magnet center line A as a center, and includes a curved line 22a with the magnet center line A as a center, two straight lines 22b which are connected to the curved line 22a so as to sandwich the curved line 22a and vertical to the magnet center line A; and two straight lines 22c which are connected to the two straight lines 22b vertical to the magnet center line A and almost parallel with the magnet center line A. PCOPYRIGHT: (C)2010 and JPO& INPIT