Thermal transfer system and method

1. A system for transferring thermal energy in a wireless recharger for an implantable system, comprising:

a transmitter coil configured to transmit a power transfer signal when energized by a power source;

a heat spreader member positioned relative to the transmitter coil having a first side and a second side, wherein the heat spreader member includes a plurality of bores formed between the first side and the second side through the heat spreader member;

a diaphragm positioned and moveable relative to the heat spreader member;

a motive member configured to move the diaphragm a selected distance relative to the heat spreader member;

a heat sink having a first side and a second side and configured to absorb thermal energy from near the transmitter coil; and

a heat pipe defining a internal heat pip passage;

wherein a movement of the diaphragm is configured to generate a jet of gas through at least one bore of the plurality of the bores;

wherein the heat pipe includes a first portion positioned to absorb thermal energy from the heat sink and a second portion positioned away from the heat sink;

wherein thermal energy is transformed from the first portion to the second portion.

2. The system of claim 1 , wherein the second portion is near the heat spreader member.

3. The system of claim 2 , further comprising:

a housing that houses all of the transmitter coil, the heat sink, and the heat pipe;

wherein the housing includes a subject side and an environment side adjacent an external environment;

wherein the heat spreader member is positioned within or adjacent the environment side such that the jet is jetted into the environment.

4. The system of claim 3 , wherein the transmitter coil is positioned at the subject side and transmits the power transfer signal to a receiving coil within the subject;

wherein the heat pipe extends to the environment side away from the heat sink.

5. The system of claim 4 , further comprising:

a control system configured to control the energizing of the transmitter coil;

wherein the control system is included within the housing.

6. The system of claim 1 , wherein the heat pipe includes a plurality of heat pipes.

7. A system for transferring thermal energy, comprising:

a transmitter coil configured to transmit a power transfer signal when energized by a power source and positioned near a subject surface;

a heat sink formed of a ferrite and configured to absorb thermal energy from the transmitter coil;

a heat spreader member positioned away from the heat sink and having a first side and a second side, wherein the heat spreader member includes a plurality of bores formed between the first side and the second side through the heat spreader member;

a diaphragm positioned and moveable relative to the heat spreader member; and

a heat pipe defining an internal heat pipe passage;

wherein a movement of the diaphragm is configured to generate a jet of gas through at least one bore of the plurality of the bores;

wherein the heat pipe includes a first portion positioned to absorb thermal energy from the heat sink and a second portion positioned away from the heat sink;

wherein the heat pipe is configured to transport thermal ono away from the heat sink and to the heat spreader member.

8. The system of claim 7 further comprising:

a motive member configured to move the diaphragm a selected distance relative to the heat spreader member.

9. The system of claim 7 , wherein the heat pipe includes a plurality of heat pipes.

10. The system of claim 9 , further comprising:

a housing that houses all of the transmitter coil, the heat sink, the heat spreader member, and the plurality of heat pipes;

wherein the housing includes a subject side and an environment side;

wherein the subject side is configured to be positioned near the subject surface to transmit the power transfer signal into the subject and to a receiving antenna;

wherein the plurality of heat pipes extend to the environment side from away the heat sink.

11. The system of claim 10 , wherein the heat spreader member is positioned at the environment side such that the jet is jetted into an environment exterior to the housing.

12. The system of claim 7 , further comprising:

a driver configured to drive a power signal through the transmitter coil; and

the power source to energize the transmitter coil to transmit the power transfer signal.

13. A method of transferring thermal energy in a wireless recharger for an implantable system, comprising:

providing a heat sink near a transmitter coil, wherein the transmitter coil is configured to transmit a power transfer signal when energized by a power source;

providing a heat spreader member positioned relative to the transmitter coil having a first side and a second side, wherein the heat spreader member includes a plurality of bores formed between the first side and the second side through the heat spreader member;

providing a moveable diaphragm relative to the heat spreader member;

providing a motive member configured to move the diaphragm a selected distance relative to the heat spreader member;

providing a heat sink having a first side and a second side;

positioning the heat sink to absorb thermal enemy from the transmitter coil at the first side of the heat sink; and

providing a heat pipe defining an internal heat pipe passage ending from the heat sink to a position away from the heat sink;

wherein a movement of the diaphragm is configured to generate a jet of gas through at least one bore of the plurality of the bores.

14. The method of claim 13 , further comprising:

positioning the heat spreader member at the position away from the heat sink.

15. The method of claim 14 , further comprising:

housing all of the transmitter coil, the heat sink, the heat spreader member, and a plurality of heat pipes within a housing;

wherein the housing includes a subject side and an environment side;

wherein the plurality of heat pipes extend to the environment side away from the heat sink.

16. The method of claim 15 , further comprising:

jetting the gas into an external environment on the environment side of the housing.