发明名称 |
ELECTROMAGNETIC DRIVE METHOD AND APPARATUS FOR DRIVING A ROTATIONALLY STABILIZED MAGNETICALLY LEVITATED OBJECT |
摘要 |
An electromagnetic drive apparatus and method are operative to rotate a magnetically levitated object for an indefinite period of time. The object, such as a spinning magnetic top with a spindle, is levitated over a base magnet and a horizontal component of a pulsed magnetic field is applied at the region of the spinning magnetic top to maintain the top spinning and levitating indefinitely. The pulsed magnetic field is generated by applying a pulsed dc voltage or an ac current to a coil situated in proximity to the top. The coil may have a cylindrical or oblong shape and a core may be provided in the coil. Levitation stability and duration are improved by positioning a loosely fitting washer on the spindle of the spinning magnet so as to permit relative rotation therebetween during application of the pulsed magnetic field. |
申请公布号 |
CA2207537(A1) |
申请公布日期 |
1997.12.28 |
申请号 |
CA19972207537 |
申请日期 |
1997.06.12 |
申请人 |
CREATIVE GIFTS, INC. |
发明人 |
HONES, WILLIAM G.;HONES, EDWARD W. |
分类号 |
H02N15/00 |
主分类号 |
H02N15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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