WIRELESS ENERGY TRANSFER FOR VEHICLE APPLICATIONS
First Claim
1. A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply, first electromagnetic resonator having a mode with a resonant frequency ω
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1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the wireless receiver comprising;
a load configured to power the drive system of a vehicle using electrical power; and
a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load by a converter capable of converting energy captured by the second electromagnetic resonator into a form usable by the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2;
wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load by a converter capable of converting energy captured by the second electromagnetic resonator into a form usable by the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.
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Citations
18 Claims
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1. A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply, first electromagnetic resonator having a mode with a resonant frequency ω
-
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the wireless receiver comprising;a load configured to power the drive system of a vehicle using electrical power; and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load by a converter capable of converting energy captured by the second electromagnetic resonator into a form usable by the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2;wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator. - View Dependent Claims (2, 3, 4, 5, 6)
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1, an intrinsic loss rate Γ
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7. A power source for wirelessly providing power to a wireless receiver of an at least partially electrically powered vehicle, the power source comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge the battery of a vehicle that is driven at least in part by electrical power; a first electromagnetic resonator coupled to the power supply and having a mode with a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the first electromagnetic resonator housed in a housing configured to be disposed in proximity to the vehicle; anda converter for converting energy supplied by the power supply to a form that can be delivered to the first electromagnetic resonator; wherein the first electromagnetic resonator is configured to be wirelessly coupled to a second electromagnetic resonator located on the vehicle and coupled to a load associated with the drive system of the vehicle to provide non-radiative wireless power to the second electromagnetic resonator, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A vehicle wireless power system, comprising:
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a power supply, the power supply configured to supply power at a rate sufficient to charge the battery of a vehicle that is driven at least in part by electrical power; a first electromagnetic resonator coupled to the power supply and having a mode with a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/2Γ
1, the first electromagnetic resonator housed in a housing configured to be disposed in proximity to the vehicle;a load configured to power the drive system of the vehicle using electrical power; and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, the second electromagnetic resonator having a mode with a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/2Γ
2; andat least one converter for at least one of converting energy supplied by the power supply to a form that can be delivered to the first electromagnetic resonator and converting energy captured by the second electromagnetic resonator into a form usable by the load; wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification