Wireless energy transfer for supplying power and heat to a device
View Patent ↗Described herein are improved capabilities for a source resonator having a Q-factor Q 1 >100 and a characteristic size x 1 coupled to an energy source, and a second resonator having a Q-factor Q 2 >100 and a characteristic size x 2 coupled to an energy drain located a distance D from the source resonator, where the source resonator and the second resonator are coupled to exchange energy wirelessly among the source resonator and the second resonator.
1. A wireless energy transfer and heating system comprising:
a source, having one or more source magnetic resonators;
at least one power and control circuit, coupled to a power source, and configured to energize at least one of said source magnetic resonators to generate an oscillating magnetic field;
a device, having one or more device magnetic resonators configured to capture said oscillating magnetic field;
one or more device heating elements integrated with said device,
wherein magnetic energy transferred by the source to the device is converted into electrical energy by one or more said device resonators and converted into thermal energy by one or more said device heating elements.
2. The system of claim 1 , wherein one or more said device magnetic resonators are coupled to one or more said device heating elements and said electrical energy converted by said device magnetic resonator is used to generate heat by energizing said heating element.
3. The system of claim 1 , wherein said heating element is a highly resistive element.
4. The system of claim 1 , wherein said heating element is an electrical conductor configured to generate heat due to eddy currents resulting from said oscillating magnetic fields of said source.
5. The system of claim 1 , wherein said heating element is the same structure as said device magnetic resonator.
6. The system of claim 1 , wherein said heating element is separate from said device magnetic resonator.
7. The system of claim 1 , wherein said heating element and said thermal energy are used for drying of the device.
8. The system of claim 1 , wherein said heating element and said thermal energy are used for sterilization of the device.
9. The system of claim 1 , wherein said heating element and said thermal energy are used for maintaining a range of temperatures of said device.
10. The system of claim 1 , further comprising a battery coupled to said device, wherein electrical energy from one or more said device resonators is used to charge said battery.
11. The system of claim 1 , wherein said magnetic resonators have a quality factor of at least 50.
12. The system of claim 7 , wherein said device is integrated into a hearing aid.
13. The system of claim 7 , wherein said device is integrated into articles of heated clothing.
14. The system of claim 7 , wherein said device is integrated into a blanket.
15. The system of claim 7 , wherein said device is integrated into a vehicle.
16. A wireless energy transfer device comprising:
at least one magnetic resonator,
power and control circuitry, and
at least one heating element, configured to produce a thermal energy,
wherein the at least one said magnetic resonator is configured to convert oscillating magnetic energy into electrical energy,
wherein the said power and control circuitry is physically connected to the at least one heating element and wherein the magnetic resonator is adapted to energize the at least one heating element.
17. The device of claim 16 , wherein said heating element is energized to generate heat via energy from the magnetic resonator.
18. The device of claim 16 , wherein said at least one heating element comprises a conductor configured to generate heat as a result of eddy currents induced by an external oscillating magnetic field.
19. The device of claim 16 , wherein said at least one heating element has the same structure as said at least one device magnetic resonator.
20. The device of claim 16 , wherein said at least one heating element is separate from said at least one device magnetic resonator.
21. The device of claim 16 , wherein said at least one heating element and said thermal energy are used for drying of the device.
22. The device of claim 16 , wherein said at least one heating element and said thermal energy are used for sterilization of the device.
23. The device of claim 16 , further comprising a battery, wherein electrical energy from said at least one magnetic resonator is used to charge said battery.
24. The device of claim 16 , wherein said at least one magnetic resonator has a quality factor of at least 50.
25. The device of claim 16 , wherein the device is part of a wireless power transfer system.
26. The device of claim 23 , wherein said device is integrated into a hearing aid.
27. The device of claim 23 , wherein said device is integrated into any articles of heated clothing.
28. The device of claim 23 , wherein said device is integrated into a pad.
29. The device of claim 17 , wherein said device is integrated into a vehicle.