| US 7,543,700 B2 | ||
| Drive drum for a belt conveyor | ||
| Dietmar Simke, Cottbus (Germany); Boris Rathmann, Cottbus (Germany); Rüdiger Bude, Cottbus (Germany); and Gilbert Lilienthal, Cottbus (Germany) | ||
| Assigned to ABB AG, Mannheim (Germany) | ||
| Filed on Jul. 31, 2008, as Appl. No. 12/222,041. | ||
| Application 12/222041 is a continuation of application No. PCT/EP2007/000543, filed on Jan. 23, 2007. | ||
| Claims priority of application No. 10 2006 005 158 (DE), filed on Feb. 04, 2006. | ||
| Prior Publication US 2008/0308392 A1, Dec. 18, 2008 | ||
| Int. Cl. B65G 23/04 (2006.01) | ||
| U.S. Cl. 198—835 [198/788; 492/16; 492/46] | 20 Claims |
| 20. A drive drum arrangement for gearlessly driving a conveyor belt, the arrangement comprising:
a drum casing, the drum casing being sealed at both ends using an end-side base, the bases being provided with centrally arranged
bearings which are used for accommodating a fixed drum spindle;
at least one motor being arranged within the drum casing, which motor is fastened on the drum casing via a casing-side motor
frame and is fastened on the fixed drum spindle via a fixed spindle-side motor frame, the two ends of the fixed base spindle
being fitted using spindle fastenings;
an electrical power supply;
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 the electrical power supply, and
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.
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