ELECTROSTATIC OIL RING, ELECTROSTATIC OIL RING ASSEMBLY, AND ELECTRODYNAMIC MACHINE
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United States of America Patent
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Jan 20, 2016
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Jan 22, 2015
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Abstract
An electrostatic oil ring (130, 150) has an annular ring body (142, 152) with a surface (132, 134, 136, 138, 154), wherein a portion of the surface (132, 134, 136, 138, 154) carries an electrostatic coating (140, 156) which electrostatically attracts lubricant (35a) in a lubricant reservoir (35) when the electrostatic oil ring (130, 150) passes through the lubricant reservoir (35). Further, an electrostatic oil ring assembly with a plurality of electrostatic oil rings (130, 150), and a dynamoelectric machine with an electrostatic oil ring assembly are provided.
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