Christian Nessel,René Richter,Robert Witt,Richard Guenther
申请号：
US15930132
公开号：
US20200268964A1
申请日:
2020.05.12
申请国别(地区):
US
年份:
2020
代理人:
摘要：
The disclosure relates to a drug delivery device having a drive unit includes a stator comprising a plurality of coils consecutively arranged in an axial direction, and an armature axially movable within the stator, the armature including a number of magnets and pole shoes consecutively arranged in the axial direction. A respective pole shoe is arranged between respectively neighbouring magnets. At least one axial end of the armature comprises a terminal pole shoe.
