Moving Magnet Actuator with Counter-Cogging End-Ring and Asymmetrical Armature Stroke
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Sep 30, 2013
filing date -
Mar 13, 2006
priority date (Note) -
Abandoned
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Abstract
A moving magnet actuator (MMA) includes a magnetically conductive end-ring that is spaced from a magnet pole piece. The end-ring is constructed and spaced to provide a desired counter or anti-cogging force when the MMA is in a powered state. The MMA is also constructed such that a central portion of its armature stroke is axially displaced from a radial centerline of the magnetically conductive conduit enclosing the MMA components.
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