WIRELESS POWER TRANSFER DEVICE AND WIRELESS POWER TRANSFER METHOD
First Claim
1. A wireless power transfer device comprising:
- a power transmitter including a power transmission resonator composed of a power transmission coil and a resonant capacitance; and
a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance,thereby transferring power from the power transmitter to the power receiver through an interaction between the power transmission coil and the power receiving coil,further comprising;
a power-transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance,wherein the power-transmission auxiliary device and the power transmitter are configured to be disposed so as to face each other, forming a power receiving space for disposing the power receiving coil between the power transmission coil and the auxiliary coil.
4 Assignments
0 Petitions
Accused Products
Abstract
A wireless power transfer device including: a power transmitter 1 including a power transmission resonator composed of a power transmission coil and a resonant capacitance; and a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance. The wireless power transfer device further includes a power-transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance. The power-transmission auxiliary device and the power transmitter are configured to be disposed so as to face each other, forming a power receiving space for disposing the power receiving coil between the power transmission coil and the auxiliary coil. An efficient power transfer can be performed without providing an adjusting circuit in the power receiver even when the power receiving coil is not appropriately disposed with respect to the power transmission coil.
-
Citations
13 Claims
-
1. A wireless power transfer device comprising:
-
a power transmitter including a power transmission resonator composed of a power transmission coil and a resonant capacitance; and a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance, thereby transferring power from the power transmitter to the power receiver through an interaction between the power transmission coil and the power receiving coil, further comprising;
a power-transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance,wherein the power-transmission auxiliary device and the power transmitter are configured to be disposed so as to face each other, forming a power receiving space for disposing the power receiving coil between the power transmission coil and the auxiliary coil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A wireless power transfer method using:
- a power transmitter including a power transmission resonator composed of a power transmission coil and a resonant capacitance, and a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance, thereby transferring an electric power from the power transmitter to the power receiver through an interaction between the power transmission coil and the power receiving coil,
wherein the method further uses a power-transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance, and the method comprising; disposing the power-transmission auxiliary device and the power transmitter so as to face each other, forming a power receiving space between the power transmission coil and the auxiliary coil, and performing a power transfer with the power receiving coil being disposed in the power receiving space. - View Dependent Claims (13)
- a power transmitter including a power transmission resonator composed of a power transmission coil and a resonant capacitance, and a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance, thereby transferring an electric power from the power transmitter to the power receiver through an interaction between the power transmission coil and the power receiving coil,
Specification