A coil unit includes a second self-resonant coil (110) electromagnetically resonating with a spaced, first self-resonant coil (240) to perform at least one of transmitting power to the first self-resonant coil (240) and receiving power from the first self-resonant coil (240), the second self-resonant coil (110) including a first coil (115) and a plurality of second coils (111, 112, 113, 114) provided inside the first coil (115), the direction of a magnetic field formed by the first coil (115) is the same as those formed by the second coils (111, 112, 113, 114).
COIL UNIT, NON-CONTACT ELECTRIC POWER TRANSMISSION APPARATUS, VEHICLE AND NON-CONTACT POWER SUPPLY SYSTEM
Patent
Elektronische Ressource
Europäisches Patentamt | 2015
|Europäisches Patentamt | 2017
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