Gap tube motor
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United States of America Patent
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-
Aug 17, 1999
Grant Date -
N/A
app pub date -
Feb 23, 1998
filing date -
Aug 24, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The gap tube motor comprises a rotor, a stator and a gap tube which is arranged between the rotor and the stator, with at least two bearing apparatuses being arranged with a spacing in the axial direction (A) with respect to the rotor, and with at least one of the bearing apparatuses being designed as a bearing and drive apparatus and comprising both an electrical motor drive apparatus and a magnetic bearing apparatus in order to both drive the rotor and to journal the rotor in the radial direction without contact using this bearing and drive apparatus.
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