Wireless power transmission antenna with thermally conductive magnetic shield and method therefor
First Claim
Patent Images
1. A method comprising:
- incorporating a carbon material and a ferrous magnetic material at a magnetic shield immediately adjacent to a wireless power antenna at a wireless power transmission system, the magnetic shield to shape a magnetic flux field proximate to the magnetic shield, the carbon material to provide thermal conductivity at the magnetic shield to conduct heat generated at the wireless power antenna to a heat sink.
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Abstract
A carbon material and a magnetic material are incorporated at a magnetic shield included at a wireless power antenna. The magnetic shield shapes a magnetic flux field proximate to the magnetic shield. The carbon material conducts heat at the magnetic shield.
101 Citations
20 Claims
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1. A method comprising:
incorporating a carbon material and a ferrous magnetic material at a magnetic shield immediately adjacent to a wireless power antenna at a wireless power transmission system, the magnetic shield to shape a magnetic flux field proximate to the magnetic shield, the carbon material to provide thermal conductivity at the magnetic shield to conduct heat generated at the wireless power antenna to a heat sink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A wireless power transmission system including a wireless power antenna device, the wireless power antenna device comprising:
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an inductor; a magnetic shield located immediately adjacent to the wireless power antenna, the magnetic shield including a ferrous magnetic material and a carbon material, the ferrous magnetic material to shape a magnetic flux field at the inductor, the carbon material to provide thermal conductivity at the magnetic shield to conduct heat generated at the inductor to the heat sink; and a heat sink coupled to the magnetic shield. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A wireless charging system comprising:
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a wireless charging controller; and a wireless charging antenna assembly coupled to the wireless charging controller, the antenna assembly including; an inductor; and a magnetic shield located immediately adjacent to the wireless power antenna, the magnetic shield including a ferrous magnetic material and a carbon material, the ferrous magnetic material to shape a magnetic flux field at the inductor, the carbon material to provide thermal conductivity at the magnetic shield. - View Dependent Claims (20)
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Specification