POWER TRANSMISSION SYSTEM, FOREIGN OBJECT DETECTION DEVICE, AND COIL DEVICE

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POWER TRANSMISSION SYSTEM, FOREIGN OBJECT DETECTION DEVICE, AND COIL DEVICE

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ASANO ATSUSHI / FURIYA KENTAROU / ARAKI JUN

A foreign object detection device for a coil device including a second coil to transmit power to a first coil wirelessly or receive power from the first coil wirelessly including: a foreign object detection coil configured to be located between the first coil and the second coil; and a cover configured to cover an upper portion of the foreign object detection coil, wherein a top surface of the cover includes at least one inclined surface inclined relative to a coil plane of the second coil, and the inclined surface is inclined downward from a low sensitivity region where detection sensitivity of the foreign object detection coil is relatively lower to a high sensitivity region where the detection sensitivity of the foreign object detection coil is relatively higher.

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Title :

POWER TRANSMISSION SYSTEM, FOREIGN OBJECT DETECTION DEVICE, AND COIL DEVICE

Contributors:

ASANO ATSUSHI (author) / FURIYA KENTAROU (author) / ARAKI JUN (author)

Publication date :

2020-06-25

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete