NON-CONTACT POWER FEEDING DEVICE
First Claim
1. An apparatus for non-contact feeding of power through an air gap, by electromagnetic induction, from a power transmission coil of a power feeding circuit to a power receiving coil of a power receiving circuit, the coils facing each other, the apparatus comprising a resonant coil of a repeating circuit, the resonant coil being wound on a same plane as and parallel to the power transmission coil or the power receiving coil.
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Accused Products
Abstract
In a non-contact power feeding device of the present invention, power is fed through an air gap with no contact from a power transmission coil of a power feeding side circuit to a power receiving coil of a power receiving side circuit, which are located to face each other, based on a mutual induction effect of electromagnetic induction. In such a non-contact power feeding device, a resonant coil of a repeating circuit is disposed on the power transmission coil side and/or the power receiving coil side. The resonant coil is wound in parallel on the same plane as the power transmission coil and/or the power receiving coil. The resonant coil the power transmission coil and the power receiving coil are respectively composed of a single insulated conducting wire or a number of insulated conducting wires.
26 Citations
8 Claims
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1. An apparatus for non-contact feeding of power through an air gap, by electromagnetic induction, from a power transmission coil of a power feeding circuit to a power receiving coil of a power receiving circuit, the coils facing each other, the apparatus comprising a resonant coil of a repeating circuit, the resonant coil being wound on a same plane as and parallel to the power transmission coil or the power receiving coil.
- 2. An apparatus for non-contact feeding of power through an air gap, by electromagnetic induction, from a power transmission coil of a power feeding circuit to a power receiving coil of a power receiving circuit, the coils facing each other, the apparatus comprising a resonant coil of a repeating circuit, the repeating circuit being independent of the power feeding circuit and the power receiving circuit and the resonant coil resonating with a capacitor disposed in the repeating circuit to feed exciting reactive power to a magnetic path.
Specification