Low loss reciprocating electromagnetic device
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United States of America Patent
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Aug 9, 2005
Grant Date -
Mar 27, 2003
app pub date -
Sep 24, 2002
filing date -
Sep 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates generally to reciprocating electromagnetic devices, and more particularly to a construction of a reciprocating electromagnetic device for reducing secondary losses in magnetically-permeable elements, but without compromising manufacturability as required in prior art. The device provides for shaped pole faces to reduce local magnetic flux density and/or interruptions of electrically-conductive paths in the planes of the laminated layers of the stationary element of the device.
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