发明授权
- 专利标题: Ironless magnetic linear motors having levitating and transversal force capacities
- 专利标题(中): 无铁磁线性电动机具有悬浮力和横向力能力
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申请号: US12064967申请日: 2006-08-10
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公开(公告)号: US08803372B2公开(公告)日: 2014-08-12
- 发明人: Georgo Angelis , David Biloen
- 申请人: Georgo Angelis , David Biloen
- 申请人地址: NL Eindhoven
- 专利权人: Koninklijke Philips N.V.
- 当前专利权人: Koninklijke Philips N.V.
- 当前专利权人地址: NL Eindhoven
- 国际申请: PCT/IB2006/052772 WO 20060810
- 国际公布: WO2007/026270 WO 20070308
- 主分类号: H02K41/02
- IPC分类号: H02K41/02
摘要:
An ironless magnetic motor includes a magnetic track and a forcer. The forcer is oriented in a magnetic field across a linear air gap of the magnetic track to generate a drive force parallel to the X drive axis and orthogonal to the Z levitation axis in response to a commutation drive current and to generate a force orthogonal to the X drive axis in response to a commutation coil current being superimposed on and phase shifted from the commutation drive current. To this end, a set of levitating turns of the coil parallel to the X drive axis and orthogonal to the Z levitation axis may be internal or external to magnetic field, and the forcer may be centered or offset from a center X-Z longitudinal axis (CP) of the linear air gap.
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