Wireless electric field power transmission system, transmitter and receiver therefor and method of wirelessly transferring power
First Claim
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1. A wireless electric field power transmission system comprising:
- a transmitter comprising a transmit resonator and a transmit capacitive balun; and
at least one receiver comprising a receive resonator and a receive capacitive balun, wherein, via resonant electric field coupling;
the transmit capacitive balun is configured to transfer power to the transmit resonator,in response, the transmit resonator is configured to transfer power to the receive resonator, andthe receive capacitive balun is configured to extract power from the receive resonator.
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Abstract
A wireless electric field power transmission system comprises a transmitter comprising a transmit resonator and a transmit capacitive balun, and at least one receiver comprising a receive resonator and a receive capacitive balun. The transmit capacitive balun is configured to transfer power to the transmitter resonator, the transmit resonator is configured to transfer the power to the receive resonator, and the receive resonator is configured to extract the power to the receive capacitive balun via electric field coupling.
139 Citations
23 Claims
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1. A wireless electric field power transmission system comprising:
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a transmitter comprising a transmit resonator and a transmit capacitive balun; and at least one receiver comprising a receive resonator and a receive capacitive balun, wherein, via resonant electric field coupling; the transmit capacitive balun is configured to transfer power to the transmit resonator, in response, the transmit resonator is configured to transfer power to the receive resonator, and the receive capacitive balun is configured to extract power from the receive resonator.
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2. A method of wirelessly transferring power, the method comprising:
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delivering power from a source to a transmit resonator via a transmit capacitive balun via electric field coupling; in response, transferring power from the transmit resonator to a receive resonator via electric field coupling; and extracting power from the receive resonator via a receive capacitive balun via electric field coupling.
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3. A transmitter for wirelessly transferring power, the transmitter comprising:
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a capacitive balun configured to receive an alternating signal and in response generate an electric field; and a transmit resonator, responsive to the electric field generated by the capacitive balun, configured to resonate with the capacitive balun and generate an electric field, wherein the capacitive balun and the transmit resonator are configured to transfer power to a receiver via resonant electric field coupling. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A receiver for wirelessly receiving power, the receiver comprising:
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a receive resonator; and a capacitive balun capacitively coupled to the receive resonator, wherein the receive resonator and the capacitive balun are configured to resonate in response to a generated electric field, and wherein the capacitive balun is configured to extract power via resonant electric field coupling and to output an alternating signal in response to resonance of the receive resonator and the capacitive balun. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification