DEVICES AND METHODS FOR MAGNETIC POLE RETENTION IN ELECTROMAGNETIC MACHINES
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Dec 3, 2012
filing date -
Dec 3, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In some embodiments, an electromagnetic machine includes a rotor element configured for movement relative to a stator. The rotor element includes a magnetic support, a magnetic pole assembly, and a retainer. The magnetic support is formed, at least in part, from a ferromagnetic material and is configured to be coupled to the magnetic support. The retainer is coupled to both the magnetic support and the magnetic pole assembly. The retainer is further configured to be in a first state during a first time period and a second state during a second time period, after the first time period, such that during the second time period, the coupling of the magnetic pole assembly to the magnetic support is maintained.
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