Patent ID: 7928624
Filing Date: 2011-04-19
Classification: H02K,Y10T

Abstract:
1. Drive motor for a conveying apparatus, comprising at least a stator ( 24 ), a rotor ( 25 ) and an air gap ( 26 ) between these, in which motor the stator and/or rotor comprises slots ( 4 ) formed by a slot bottom ( 9 ) and a slot opening ( 10 ), and teeth ( 5 ) between slots, and in which the stator and/or rotor has a concentrated winding ( 1 , 2 , 6 , 7 ) fitted in the slots, characterized in that the concentrated winding is a fractional-slot winding having a maximum slot number of 0.5 and that the width of the slot opening ( 10 ) facing the air gap is at least 75% and at most 125% of the width of the slot bottom ( 9 ).