WIRELESS POWER TRANSMISSION COIL

A wireless power transmission coil comprising a first helical coil portion, a first spiral coil portion, a second helical coil portion, a second spiral coil portion, and a third helical coil portion which comprise windings with a common central axis. The inner end of the first spiral coil portion is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KIKUCHI, Hideo
Format:	Patent
Sprache:	eng
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:	A wireless power transmission coil comprising a first helical coil portion, a first spiral coil portion, a second helical coil portion, a second spiral coil portion, and a third helical coil portion which comprise windings with a common central axis. The inner end of the first spiral coil portion is connected to the upper end of the first helical coil portion. The upper end of the second helical coil portion is connected to the outer end of the first spiral coil portion. The inner end of the second spiral coil portion is connected to the lower end of the first helical coil portion. The lower end of the third helical coil portion is connected to the outer end of the second spiral coil portion. In this way, imbalance in winding currents of the coil is eliminated to reduce alternating-current resistance of the coil.