Patent ID: 8598760
Filing Date: 2013-12-03
Classification: H02K,Y10T

Abstract:
1. A permanent magnet module ( 101 , 201 , 301 ) for a rotor of a permanent magnet electrical machine, the permanent magnet module extending over at most 180 degrees in a tangential direction (φ) of the rotor and comprising: a stack of ferromagnetic steel sheets ( at least one permanent magnet ( a supporting structure ( characterized in that the permanent magnet module further comprises at least one base-plate ( 102 , 202 , 302 ) made of solid ferromagnetic steel, each base-plate being located at an opening ( 116 , 216 , 316 ) of one of the at least one groove and constituting together with the at least one groove an aperture in which the at least one permanent magnet is located.