Contactless power transfer device for moving object
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United States of America Patent
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Feb 24, 2015
Grant Date -
Dec 5, 2013
app pub date -
Feb 20, 2012
filing date -
Feb 21, 2011
priority date (Note) -
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Abstract
Provided is a contactless power transfer device for a moving object. Each of a power transmission coil and a power receiving coil comprises an H-shaped core, and first, second and third search coils are installed on a magnetic pole object of the H-shaped core of the power transmission coil. A y-direction positional deviation between the power transmission coil and the power receiving coil is detected using voltages measured at the first and second search coils, and an x-direction positional deviation is detected using voltages measured at the third search coils.
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