Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Paul0
Dirk Heidemann0
Maciej Barcikowski0
Date of Patent
May 14, 2013
0Patent Application Number
128561510
Date Filed
August 13, 2010
0Patent Primary Examiner
Patent abstract
A drive apparatus for a drill stem of a de-coking system is disclosed. The apparatus includes a feeder as water supply to the drill stem. The drill stem is rotatably driven by a rotational drive which includes a motor and a first and second gear box. The second gear box has an output gear which is meshed with a large gear which is connected to an outer gear rim of the feeder. A skirt envelops the gear which is formed by an output gear and by the second motor driven gear box and the gear which is connected to the feeder completely. A lower side of the skirt is open.
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