WIRELESS ENERGY TRANSFER FOR VEHICLES
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, 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; and
wherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver 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, 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, and wherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices.
311 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, 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; and wherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices. - 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 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; and 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;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; andwherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices. - 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,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; and wherein the frequency of at least one electromagnetic resonator is selected to prevent transfer of power to unauthorized devices. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification