Patent ID: 7543700

Claim:
A drive drum for a belt conveyor for gearlessly driving a conveyor belt, at least one motor being arranged within a drum casing, which motor is fastened on the drum casing via a casing-side motor frame and is fastened on a fixed drum spindle via a fixed spindle-side motor frame, the drum casing being sealed at both ends by means of an end-side base, the bases being provided with centrally arranged bearings which are used for accommodating the fixed drum spindle, the two ends of the fixed base spindle being fitted using spindle fastenings, at least one electrical connecting line, which is routed within or on the drum spindle, runs between a winding, which is fastened on the fixed spindle-side motor frame, of the motor and an electrical power supply, and the at least one motor having a cooling apparatus for the winding, wherein a coolant feedline and a coolant discharge line of the cooling apparatus and/or a coolant connecting line are routed within or on the drum spindle.