Systems and methods for wireless power system with improved performance and/or ease of use
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01F-027/42
H01F-037/00
H01F-038/14
G01R-031/08
H02J-005/00
H04B-005/00
H02J-017/00
출원번호
US-0082426
(2013-11-18)
등록번호
US-9449757
(2016-09-20)
발명자
/ 주소
John, Michael Sasha
Hall, Katherine L.
Kulikowski, Konrad J.
Kesler, Morris P.
Kurs, Andre B.
Roy, Arunanshu M.
Guckaya, Gozde
출원인 / 주소
WiTricity Corporation
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
0인용 특허 :
210
초록▼
A wireless power network including multiple electromagnetic resonators each capable of storing electromagnetic energy at a resonant frequency is disclosed. The multiple resonators include: a first resonator configured to be coupled to a power source to receive power from the power source; a second r
A wireless power network including multiple electromagnetic resonators each capable of storing electromagnetic energy at a resonant frequency is disclosed. The multiple resonators include: a first resonator configured to be coupled to a power source to receive power from the power source; a second resonator configured to be coupled to a load to provide power to the load, and one or more intermediate resonators. The first resonator is configured to provide power from the power source to the second resonator through the one or more intermediate resonators. At least a first pair of resonators among the multiple resonators is configured to exchange power wirelessly, and at least a second pair of the resonators among the multiple resonators is configured to exchange power through a wired electrically conductive connection.
대표청구항▼
1. A wireless power network comprising: a. multiple electromagnetic resonators each capable of storing electromagnetic energy at a resonant frequency, wherein the multiple resonators comprise: i. a first resonator configured to be coupled to a power source to receive power from the power source;ii.
1. A wireless power network comprising: a. multiple electromagnetic resonators each capable of storing electromagnetic energy at a resonant frequency, wherein the multiple resonators comprise: i. a first resonator configured to be coupled to a power source to receive power from the power source;ii. a second resonator configured to be coupled to a load to provide power to the load, andiii. one or more intermediate resonators, wherein the first resonator is configured to provide power from the power source to the second resonator through the one or more intermediate resonators,b. wherein at least a first pair of resonators among the multiple resonators is configured to exchange power wirelessly, and at least a second pair of the resonators among the multiple resonators is configured to exchange power through a wired electrically conductive connection. 2. The wireless power network of claim 1, wherein multiple pairs among the multiple resonators are configured to exchange power wirelessly. 3. The wireless power network of claim 1, wherein multiple pairs among the multiple resonators are configured to exchange power through a wired electrical connection. 4. The wireless power network of claim 1, wherein the multiple resonators comprise a third resonator configured to be coupled to another load to provide power to this other load, and wherein the third resonator receives power from the power source through one or more other resonators among the multiple resonators. 5. The wireless power network of claim 1, wherein each resonator in the second pair comprises a housing containing at least one inductor and at least one capacitor to define the resonant frequency for the resonator, and wherein the wired electrical connection connects to an electrical port connection in each of the housings of the resonators in the second pair. 6. The wireless power network of claim 1, wherein the wired electrical connection comprises a length of capacitively loaded conducting material. 7. The wireless power network of claim 6, wherein the capacitive loading of the conductive material is configured to substantially maintain the resonant frequencies of the resonators in the second pair of resonators when the resonators in the second pair exchange energy through the wired electrical connection. 8. The wireless power network of claim 7, wherein the capacitive loading of the conductive material is configured to maintain the resonant frequencies of the resonators in the second pair of resonators when the second pair of resonators exchange energy through the wired connection to within 5% of the resonant frequencies of the resonators in the second pair, respectively, when the resonators in the second pair are isolated from all other resonators. 9. The wireless power network of claim 7, wherein the capacitive loading of the conductive material scales with the length of the conductive material. 10. The wireless power network of claim 5, wherein each housing comprise a receptacle for removably engaging the length of capacitively loaded conducting material to establish the wired electrical connection. 11. The wireless power network of claim 6, wherein the wired electrical connection comprises a length of a pair of capacitively loaded stranded wires. 12. The wireless power network of claim 1, wherein the wired electrical connection facilitates communication with circuitry within at least one of the resonators in the second pair in order to cause the circuitry to activate, deactivate, or adjust a property of at least one of the resonators in the second pair. 13. The wireless power network of claim 1, further comprising a controller configured to adjustably open or close the wired electrical connection between at least the resonators in the second pair. 14. The wireless power network of claim 1, wherein the wireless power network is deployed in a home to wirelessly power multiple household devices across a range of locations. 15. The wireless power network of claim 1, wherein the resonators in the second pair each comprise at least one loop of conductive material substantially aligned in respective planes, and wherein the respective planes intersect at a right angle to within 30 degrees. 16. The wireless power network of claim 1, wherein the resonators in the second pair are separated by a lossy barrier that substantially reduces wireless power transfer between the resonators in the second pair but does not substantially reduce the wired power transfer between the resonators in the second pair. 17. The wireless power network of claim 16, wherein the barrier comprises a mass of conductive material having a size that is at least comparable to the resonators in the second pair. 18. The wireless power network of claim 1, wherein the second pair of resonators comprises a transmitter and a repeater. 19. The wireless power network of claim 1, wherein the second pair of resonators comprises a first repeater and a second repeater.
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