NON-CONTACT POWER TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To obtain practically sufficiently high transmission efficiency without using angle compensation means because of large likelihood in a relative angle between a power transmission resonance coil and a power reception resonance coil against constraint of reduction in transmissio...

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Bibliographische Detailangaben
1. Verfasser:	YOSHIHIRO MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain practically sufficiently high transmission efficiency without using angle compensation means because of large likelihood in a relative angle between a power transmission resonance coil and a power reception resonance coil against constraint of reduction in transmission efficiency.SOLUTION: Provided is a non-contact power transmission device for transmitting power from a transmitting device to a receiving device via magnetic resonance between a power transmission resonance coil and a power reception resonance coil, the non-contact power transmission device comprising: a power transmission device 1 having a power transmission coil unit 3 including a power transmission resonance coil 3b and a power receiving device 2 having a power reception coil unit 4 including a power reception resonance coil 4b. Either the power transmission resonance coil or the power reception resonance coil has a three-dimensionally bent or curved shape, and the other resonance coil has a planar shape. The resonance coil of three-dimensional shape is configured so that there exist at least three partially flat regions defined by a bent or curved portion of the coil winding, the plane of each of the partially flat regions having respectively different directions relative to the plane of the resonance coil of planar shape.