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公开(公告)号:US07071643B2
公开(公告)日:2006-07-04
申请号:US10946290
申请日:2004-09-21
申请人: Justin M Prevo , Cynthia L Moore , Joseph R Butler
发明人: Justin M Prevo , Cynthia L Moore , Joseph R Butler
IPC分类号: H02K23/20
摘要: A motor system includes four brushes electrically connected to a rotor. A stator includes two magnetic poles. A circuit selectively rotates the rotor at a first speed by applying a first voltage to a first of the brushes and a second voltage to a second of the brushes. The circuit selectively rotates the rotor at a second speed by applying the first voltage to the first brush or the second brush, and applying the second voltage to a third of the brushes and/or a fourth of the brushes.
摘要翻译: 电动机系统包括电连接到转子的四个电刷。 定子包括两个磁极。 电路通过向第一电刷施加第一电压并且将第二电压施加到第二电刷来选择性地使转子旋转第一速度。 电路通过将第一电压施加到第一电刷或第二电刷,以第二速度选择性地旋转转子,并将第二电压施加到电刷和/或第四电刷的第三电压。