MAGNETIC MOTOR DEVICE OF AN ELECTRODYNAMIC TRANSDUCER
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United States of America Patent
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app pub date -
Dec 29, 2016
filing date -
Feb 8, 2011
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Abandoned
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Abstract
A magnetic motor device of an electrodynamic transducer, which includes a bonded annular magnet and a tubular element mounted coaxially relative to the bonded annular magnet. The bonded annular magnet includes a magnetic cylindrical surface, while the tubular element includes a winding extending opposite the magnetic cylindrical surface, the tubular element configured to be driven axially relative to the bonded angular magnet when electric power is supplied to the winding. A metal tubular member includes a metal cylindrical surface, and the metal tubular member is mounted coaxially relative to the tubular element such that the metal cylindrical surface extends opposite the magnetic cylindrical surface relative to the winding.
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