Magnetic Levitation Apparatus
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United States of America Patent
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Issued Date -
Oct 30, 2014
app pub date -
Apr 23, 2014
filing date -
Apr 24, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A magnetic levitation apparatus includes at least one pair of magnets arranged to create a static magnetic field that generates position-dependent energy dependent on a resultant force of a gravitational force and a magnetic force for a magnetic body to be levitated, a position detecting unit that generates location information indicating a location of the magnetic body in an unstable axis, an electromagnet that generates a magnetic field having a gradient along the unstable axis at an equilibrium position by a supply of electric power, a controller that receives the location information and that controls the supply of electric power to the electromagnet, a support member that has a support surface supporting the magnetic body at any time other than at the time of levitation of the magnetic body, and an equilibrium position moving member that moves the equilibrium position to change a height of the equilibrium position.
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