DRIVE AND SYSTEM HAVING AT LEAST ONE DRIVEN CYLINDER OR EXTRUDER SCREW
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United States of America Patent
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N/A
Issued Date -
May 5, 2016
app pub date -
Apr 9, 2014
filing date -
May 10, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drive (20) for a roller (30) or screw has a drive shaft (1) and an electric drive motor (18) having a rotor (6) and a stator (5). The rotor (6) is non-rotatably connectable to the drive shaft (1). The drive shaft (1) is connected non-rotatably to the roller or screw at a connection end (1a). The stator (5) is non-rotatably retained by a stationary component of the drive. The rotor (6) is mounted axially rotatably on a motor housing (7) with a motor bearing (8) facing the connection end (1a) of the drive shaft and with a motor bearing (9) facing away from the connection end (1a) of the drive shaft. The drive shaft (1) is guided coaxially to the rotor (6) through the drive motor (18) and beyond the drive motor (18), where the drive shaft has a free end (1b). The drive shaft is configured as a hollow shaft having an axial tempering medium channel (1c), which is coupled at the free end (1b) of the drive shaft to a tempering medium connection (12, 13).
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