COIL UNIT, WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER RECEPTION DEVICE, AND WIRELESS POWER TRANSMISSION SYSTEM

To provide a coil unit which can inhibit characteristic change of a power transmission coil caused by variation occurring in a distance between the power transmission coil and a magnetic material, and to provide a wireless power transmission device, a wireless power reception device, and a wireless...

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Bibliographische Detailangaben
Hauptverfasser:	MURASHIGE TAKUYA, ASANO HIDEO, ASAI SHOMA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TRANSFORMERS
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Beschreibung
Zusammenfassung:	To provide a coil unit which can inhibit characteristic change of a power transmission coil caused by variation occurring in a distance between the power transmission coil and a magnetic material, and to provide a wireless power transmission device, a wireless power reception device, and a wireless power transmission system which include the coil unit.SOLUTION: A coil unit 1 includes a coil 12 formed by winding a conducting wire 16 in a spiral shape; a magnetic material 13; and a base material 11 disposed between the coil 12 and the magnetic material 13. The coil 12 and the magnetic material 13 are fixed to the base material 11.SELECTED DRAWING: Figure 3 【課題】電力伝送コイルと磁性体との間の距離にばらつきが生じることによる電力伝送コイルの特性変化を抑制できるコイルユニット並びに前記コイルユニットを備えるワイヤレス送電装置、ワイヤレス受電装置及びワイヤレス電力伝送システムを提供する。【解決手段】導線１６が渦巻き状に巻かれて構成されているコイル１２と、磁性体１３と、コイル１２と磁性体１３との間に配置される基材１１と、を備え、コイル１２及び磁性体１３が、基材１１に固定されている、コイルユニット１。【選択図】図３