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US 12,184,080 B2Granted
Wireless power supply unit and wireless power transmission system
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsHideaki Miyamoto, Eiji Takahashi, Tsutomu Sakata
Life of this patent
Estimating the term…
Abstract
A wireless power supply unit includes: a power transmitting coil; and a power receiving coil that wirelessly receives electric power from the power transmitting coil. One of the power transmitting coil and the power receiving coil is shaped so that, during use, a central portion thereof is located beyond an outer peripheral portion thereof, as viewed from another one of the power transmitting coil and the power receiving coil.
Claims16
A wireless power supply unit comprising:
- a power transmitting coil;
- and
- a power receiving coil that wirelessly receives electric power from the power transmitting coil, wherein:
- a first coil is one of the power transmitting coil or the power receiving coil and has a first central portion and a first outer peripheral portion, and a second coil is another of the power transmitting coil or the power receiving coil,
- the first coil includes a first recess surrounded by the first central portion and the first outer peripheral portion, and
- the first coil is shaped so that, when coupled with the second coil to wirelessly transmit the power, the first central portion is located farther away from the second coil than the first outer peripheral portion thereof, when viewed from the second coil, and the second coil is disposed inside the first recess.
3 more elements
A wireless power transmission system comprising:
- a power transmitting device comprising a power transmitting coil;
- and
- an electric vehicle comprising a power receiving coil, wherein:
- the power receiving coil wirelessly receives electric power from the power transmitting coil,
- a first coil is one of the power transmitting coil or the power receiving coil and has a first central portion and a first outer peripheral portion, and a second coil is another of the power transmitting coil or the power receiving coil,
- the first coil includes a first recess surrounded by the first central portion and the first outer peripheral portion,
- the first coil is shaped so that, when coupled with the second coil to wirelessly transmit the power, the first central portion is located farther away from the second coil than the first outer peripheral portion thereof, when viewed from the second coil, and the second coil is disposed inside the first recess.
4 more elements
Dependencies are inferred from the claim text.