Anisotropic thermal energy guiding shells and methods for fabricating thermal energy guiding shells

Patent metadata

Field	Value
Publication number	US-9511549-B2
Application number	US-201414293224-A
Country	US
Kind code	B2
Filing date	Jun 2, 2014
Priority date	Jun 2, 2014
Publication date	Dec 6, 2016
Grant date	Dec 6, 2016

Abstract

Anisotropic thermal energy guiding shells and methods for fabricating thermal energy guiding shells are provided. An anisotropic thermal energy guiding shell includes an interior volume defined within the anisotropic thermal energy guiding shell, a plurality of thermally conductive fibers, and at least one component attachment region. The plurality of thermally conductive fibers are arranged to guide thermal energy received by the anisotropic thermal energy guiding shell non-uniformly relative to the at least one component attachment region according to a thermal energy management objective. A method for fabricating a thermal energy guiding shell includes forming a composite fabric of thermally conductive fibers, impregnating the composite fabric of thermally conductive fibers with a resin, curing the impregnated composite fabric of thermally conductive fibers, and forming the impregnated composite fabric of thermally conductive fibers into the thermal energy guiding shell.

First claim

What is claimed is:

1. An anisotropic thermal energy guiding shell comprising:
an interior empty volume defined within the anisotropic thermal energy guiding shell;
a plurality of thermally conductive fibers; and
at least one component attachment region, wherein the plurality of thermally conductive fibers are arranged to guide thermal energy received by the anisotropic thermal energy guiding shell non-uniformly relative to the at least one component attachment region according to a thermal energy management objective.

2. The anisotropic thermal energy guiding shell of claim 1 , wherein the thermal energy management objective includes guiding the thermal energy received by the anisotropic thermal energy guiding shell away from the at least one component attachment region or minimizing an amount of the thermal energy at the at least one component attachment region.

3. The anisotropic thermal energy guiding shell of claim 1 , further comprising:
a thermal energy capture device mechanically coupled to and in thermal communication with the anisotropic thermal energy guiding shell, wherein the thermal energy management objective includes guiding the thermal energy received by the anisotropic thermal energy guiding shell to the thermal energy capture device.

4. The anisotropic thermal energy guiding shell of claim 1 , wherein the plurality of thermally conductive fibers are interwoven to achieve the thermal energy management objective.

5. The anisotropic thermal energy guiding shell of claim 1 , wherein the plurality of thermally conductive fibers includes:
a plurality of a first type of thermally conductive fibers having a lower thermal conductivity; and
a plurality of a second type of thermally conductive fibers having a higher thermal conductivity, wherein the higher thermal conductivity is greater than the lower thermal conductivity.

6. The anisotropic thermal energy guiding shell of claim 1 , wherein the plurality of thermally conductive fibers are oriented in different directions in order to achieve the non-uniform thermal energy guiding.

7. The anisotropic thermal energy guiding shell of claim 1 , wherein the plurality of thermally conductive fibers includes at least one lower density region of the plurality of thermally conductive fibers and at least one higher density region of the plurality of thermally conductive fibers, wherein the lower density region and the higher density region are arranged within the anisotropic thermal energy guiding shell in order to achieve the non-uniform thermal energy guiding.

8. The anisotropic thermal energy guiding shell of claim 1 , wherein the anisotropic thermal energy guiding shell is box shaped.

9. A thermal energy guiding assembly comprising:
an anisotropic thermal energy guiding shell comprising:
an interior volume defined within the anisotropic thermal energy guiding shell;
a plurality of thermally conductive fibers; and
at least one component attachment region, wherein the plurality of thermally conductive fibers are arranged to guide thermal energy received by the anisotropic thermal energy guiding shell non-uniformly relative to the at least one component attachment region according to a thermal energy management objective; and

a component within the interior volume of the anisotropic thermal energy guiding shell and coupled to the anisotropic thermal energy guiding shell, wherein the component is in thermal communication with the at least one component attachment region, wherein the thermal energy management objective includes guiding thermal energy away from the component.

10. The thermal energy guiding assembly of claim 9 , wherein the thermal energy management objective includes guiding the thermal energy received by the anisotropic thermal energy guiding shell away from the at least one component attachment region or minimizing an amount of the thermal energy at the at least one component attachment region.

11. The thermal energy guiding assembly of claim 9 , wherein the anisotropic thermal energy guiding assembly further comprises:
a thermal energy capture device mechanically coupled to and in thermal communication with the anisotropic thermal energy guiding shell, wherein the thermal energy management objective includes guiding the thermal energy received by the anisotropic thermal energy guiding shell to the thermal energy capture device.

12. The thermal energy guiding assembly of claim 9 , wherein the plurality of thermally conductive fibers are interwoven to achieve the thermal energy management objective.

13. The thermal energy guiding assembly of claim 9 , wherein the plurality of thermally conductive fibers includes:
a plurality of a first type of thermally conductive fibers having a lower thermal conductivity; and
a plurality of a second type of thermally conductive fibers having a higher thermal conductivity, wherein the higher thermal conductivity is greater than the lower thermal conductivity.

14. The thermal energy guiding assembly of claim 9 , wherein the plurality of thermally conductive fibers are oriented in different directions in order to achieve the non-uniform thermal energy guiding.

15. The thermal energy guiding assembly of claim 9 , wherein the plurality of thermally conductive fibers includes at least one lower density region of the plurality of thermally conductive fibers and at least one higher density region of the plurality of thermally conductive fibers, wherein the lower density region and the higher density region are arranged within the anisotropic thermal energy guiding shell in order to achieve the non-uniform thermal energy guiding.

16. The thermal energy guiding assembly of claim 9 , wherein the component is a printed circuit board.

17. The thermal energy guiding assembly of claim 9 , wherein the component is an internal support structure.

18. The thermal energy guiding assembly of claim 9 , wherein the anisotropic thermal energy guiding shell is box shaped.

Assignees

• Toyota Motor Eng & Mfg North America Inc

Inventors

• Dede Ercan Mehmet
• Nomura Tsuyoshi
• Schmalenberg Paul

Classifications

• F28F21/00

  Constructions of heat-exchange apparatus characterised by the selection of particular materials {(coatings for modifying heat-transfer F28F13/18; coatings for preventing the formation of deposits or corrosion F28F19/02)} · CPC title

• B29C70/46 Primary

  using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs · CPC title

• F28F9/001

  Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core · CPC title

• F28F13/14 Primary

  by endowing the walls of conduits with zones of different degrees of conduction of heat · CPC title

• B29C70/885

  with incorporated metallic wires, nets, films or plates (as lost heating elements B29C35/0272, B29C61/0625) · CPC title