Systems, methods and apparatus for reducing intra-base array network coupling
First Claim
1. An apparatus for wirelessly transferring power, the apparatus comprising:
- a first coupler;
a second coupler;
a third coupler overlapping at least the first coupler; and
a ferrimagnetic structure comprising a first portion disposed under the first coupler, a second portion disposed under the second coupler, and a gap defined between the first coupler and the second coupler, the gap physically separating the first portion from the second portion in a direction parallel to a width of the gap to attenuate a magnetic flux passing between the first and second couplers.
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Accused Products
Abstract
An apparatus for wirelessly transferring power is provided. The apparatus comprises a first coupler, a second coupler, and a third coupler overlapping at least the first coupler. The apparatus further comprises a ferrimagnetic structure comprising a first portion disposed under the first coupler, a second portion disposed under the second coupler, and a gap defined between the first coupler and the second coupler, the gap physically separating the first portion from the second portion. One or both of the first portion and the second portion comprises a first plurality of ferrimagnetic strips interleaved with a second plurality of ferrimagnetic strips configured to attenuate a magnetic flux passing between the first and second couplers. The first plurality of ferrimagnetic strips are interleaved with the second plurality of ferrimagnetic strips under at least a portion of the first coupler that is overlapped by the third coupler.
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Citations
30 Claims
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1. An apparatus for wirelessly transferring power, the apparatus comprising:
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a first coupler; a second coupler; a third coupler overlapping at least the first coupler; and a ferrimagnetic structure comprising a first portion disposed under the first coupler, a second portion disposed under the second coupler, and a gap defined between the first coupler and the second coupler, the gap physically separating the first portion from the second portion in a direction parallel to a width of the gap to attenuate a magnetic flux passing between the first and second couplers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for wirelessly transferring power, comprising:
transferring power wirelessly to a wireless power receiver via at least one of a first coupler, a second coupler, and a third coupler overlapping at least the first coupler in conjunction with a ferrimagnetic structure comprising a first portion disposed under the first coupler, a second portion disposed under the second coupler, and a gap defined between the first coupler and the second coupler, the gap physically separating the first portion from the second portion in a direction parallel to a width of the gap to attenuate a magnetic flux passing between the first and second couplers. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:
transfer power wirelessly to a wireless power receiver via at least one of a first coupler, a second coupler, and a third coupler overlapping at least the first coupler in conjunction with a ferrimagnetic structure comprising a first portion disposed under the first coupler, a second portion disposed under the second coupler, and a gap defined between the first coupler and the second coupler, the gap physically separating the first portion from the second portion in a direction parallel to a width of the gap to attenuate a magnetic flux passing between the first and second couplers. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. An apparatus for wirelessly transferring power, the apparatus comprising:
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first means for wirelessly transferring power to a wireless power receiver; second means for wirelessly transferring power to the wireless power receiver; third means for wirelessly transferring power to the wireless power receiver, the third means overlapping at least the first means; and means for channeling magnetic flux between the first and second means comprising a first portion disposed under the first means, a second portion disposed under the second means, and a gap defined between the first means and the second means, the gap physically separating the first portion from the second portion in a direction parallel to a width of the gap. - View Dependent Claims (29, 30)
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Specification