Air gap control systems and methods
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United States of America Patent
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Oct 25, 2016
Grant Date -
May 16, 2013
app pub date -
Jan 3, 2013
filing date -
Jun 2, 2010
priority date (Note) -
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Abstract
In one embodiment, an apparatus includes a first member that supports a magnetic flux carrying member and a second member that supports a magnetic flux generating member disposed for movement relative to the first member. An air gap control system is coupled to at least one of the first member or the second member and includes an air gap control device that is separate from a primary magnetic flux circuit formed between the first member and the second member. The air gap control device is configured to exert a force on one of the first and second members in response to movement of the other of the first and second members in a direction that reduces a distance between the first and second members to maintain a minimum distance between the first and second members and/or substantially center the one of the first and second members within the other.
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