| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply device capable of supplying predetermined power from a power supplying part to a power receiving part while ensuring transmission efficiency of power from the power supplying part to the power receiving part and to also reduce the quantity of heat to be generated in power supplying coils and power receiving coils while reducing outer diameters of the power supplying coils and the power receiving coils, the power supply device being a non-contact type for supplying power to a power supplied body via non-contact power transmission.SOLUTION: A power supply device 1 which supplies power to the power supplied body via the non-contact power transmission includes: a plurality of power supplying coils which are wound in an air-core shape and arrayed in a fixed direction; and a plurality of power receiving coils 5 which are wound in an air-core shape, connected to the power supplied body and disposed while opposing the plurality of power supplying coils 2 at a predetermined gap interposed therebetween. |
