Wireless non-radiative energy transfer
First Claim
Patent Images
1. A system, comprising:
- a source resonator configured to be coupled to an energy source; and
a second resonator located a distance from the source resonator;
wherein the source resonator and the second resonator are coupled to provide resonant non-radiative wireless energy transfer between the source resonator and the second resonator and wherein at least one resonator is a tunable resonator,wherein the source resonator has a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/(2Γ
1), the second resonator has a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/(2Γ
2), and at least one of Q1 and Q2 is greater than 100.
3 Assignments
0 Petitions
Accused Products
Abstract
The electromagnetic energy transfer device includes a first resonator structure receiving energy from an external power supply. The first resonator structure has a first Q-factor. A second resonator structure is positioned distal from the first resonator structure, and supplies useful working power to an external load. The second resonator structure has a second Q-factor. The distance between the two resonators can be larger than the characteristic size of each resonator. Non-radiative energy transfer between the first resonator structure and the second resonator structure is mediated through coupling of their resonant-field evanescent tails.
-
Citations
27 Claims
-
1. A system, comprising:
-
a source resonator configured to be coupled to an energy source; and a second resonator located a distance from the source resonator; wherein the source resonator and the second resonator are coupled to provide resonant non-radiative wireless energy transfer between the source resonator and the second resonator and wherein at least one resonator is a tunable resonator, wherein the source resonator has a resonant frequency ω
1, an intrinsic loss rate Γ
1, and a first Q-factor Q1=ω
1/(2Γ
1), the second resonator has a resonant frequency ω
2, an intrinsic loss rate Γ
2, and a second Q-factor Q2=ω
2/(2Γ
2), and at least one of Q1 and Q2 is greater than 100. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 26)
-
-
14. A system, comprising:
-
a source resonator configured to be coupled to an energy source; and a second resonator located a distance from the source resonator; wherein the source resonator and the second resonator are coupled to provide resonant non-radiative wireless energy transfer between the source resonator and the second resonator, wherein at least one resonator is a tunable resonator, and wherein at least one resonator is a high-Q resonator. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27)
-
Specification