| 发明名称 | Coil unit, contactless power transfer apparatus, vehicle, and contactless power feeding system | ||
| 摘要 | A coil unit includes a second self-resonant coil electromagnetically resonating with a spaced, first self-resonant coil to perform at least one of transmitting power to the first self-resonant coil and receiving power from the first self-resonant coil, the second self-resonant coil including a first coil and a plurality of second coils provided inside the first coil, the direction of a magnetic field formed by the first coil is the same as those formed by the second coils. | ||
| 申请公布号 | US9225204(B2) | 申请公布日期 | 2015.12.29 |
| 申请号 | US201113885869 | 申请日期 | 2011.11.17 |
| 申请人 | TOYOTA JIDOSHA KABUSHIKI KAISHA;NATIONAL UNIVERSITY CORPORATION NAGOYA INSTITUTE OF TECHNOLOGY | 发明人 | Ichikawa Shinji;Kikuma Nobuyoshi |
| 分类号 | H01F27/42;H02J17/00;B60L11/18;H02J5/00;H01F38/14;B60L7/14;B60L11/00;B60L11/14;H02J7/02 | 主分类号 | H01F27/42 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. A coil unit comprising a second self-resonant coil electromagnetically resonating with a spaced, first self-resonant coil to perform at least one of transmitting power to said first self-resonant coil and receiving power from said first self-resonant coil, said second self-resonant coil including a first coil and a plurality of second coils provided inside said first coil, a direction of a magnetic field formed by said first coil being the same as a direction of magnetic fields formed by said second coils. | ||
| 地址 | Toyota JP | ||