Slipring Brush with Controlled Current Density
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United States of America Patent
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app pub date -
Apr 16, 2015
filing date -
Oct 17, 2012
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Abandoned
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Abstract
A slipring brush comprises a brush body of electrically conductive material, a contact wire for contacting the brush body and a spring for applying mechanical force to the brush body. The brush body has a contact surface for sliding on a slipring track. Furthermore, at least one blind hole is provided in the brush body beginning from the contact surface, to reduce the cross section of the brush body, increasing the current density. Due to the increased current density, wear is reduced and lifetime increased. The outer interface of the brush body remains unchanged.
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