发明名称 ELECTRIC MOTOR DEVICE
摘要 The electric motor device is provided. The electric motor device includes: a first drive member that has a plurality of permanent magnets; a second drive member that has a plurality of electromagnetic coils; and a clearance controller that shifts at least either one of the first drive member and the second drive member, thereby changing a size of a clearance formed between the first drive member and the second drive member.
申请公布号 US2009134723(A1) 申请公布日期 2009.05.28
申请号 US20080270930 申请日期 2008.11.14
申请人 SEIKO EPSON CORPORATION 发明人 TAKEUCHI KESATOSHI
分类号 H02K37/24 主分类号 H02K37/24
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