Method of manufacturing a stacked stator assembly for a linear motor
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United States of America Patent
Stats
-
Sep 18, 2001
Grant Date -
N/A
app pub date -
Dec 8, 1999
filing date -
Dec 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stator assembly has a pair of end holes leading to a hollow region which has a larger diameter than the end holes. The assembly is manufactured around an elongated pole having a diameter equal to the end holes, which is surrounded by a temporary sleeve whose thickness fills the gap between the pole and the inner wall of the hollow region. The pieces of the assembly are placed onto the pole such that the sleeve lies within the hollow region, to thereby align them correctly with one another. After the pieces are secured to each other, the pole is removed, leaving the sleeve within the hollow region, and then the sleeve is removed. The sleeve may be flexible in order to expedite its removal from the hollow, and also may be of a magnetic material that is kept in place by magnetic forces generated by the stator assembly or by the pole.
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Cited Art Landscape
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