Conductor for vehicle systems

Patent metadata

Field	Value
Publication number	US-11955754-B2
Application number	US-202016803408-A
Country	US
Kind code	B2
Filing date	Feb 27, 2020
Priority date	Feb 27, 2020
Publication date	Apr 9, 2024
Grant date	Apr 9, 2024

Abstract

In examples of the disclosure, a device may be couple an electrical load to a power source. The device may have a first coupling configured to couple to the power source and a second coupling configured to couple to the electrical load. The device may have a plurality of strands electrically disposed between the first coupling and the second coupling. Each of the plurality of strands may have a coating having a resistivity greater than 1.8×10 −8 Ω-m and less than 1 Ω-m and a center conductor wrapped, at least in part, by the coating.

First claim

What is claimed is:

1. A device configured to couple an electrical load to a power source, the device comprising:
a first coupling configured to couple to the power source;
a second coupling configured to couple to the electrical load; and
a plurality of strands electrically disposed between the first coupling and the second coupling and configured to carry voltages above 270 volts at frequencies up to 10 mega-Hertz while maintaining a resistance substantially near one ohm for frequencies up to 10 mega-Hertz, each of the plurality of strands including:
a coating having a resistivity greater than 1.8×10 −8 ohms per meter (Ω-m) and less than 1 Ω-m; and
a center conductor wrapped, at least in part, by the coating.

2. The device of claim 1 , wherein the plurality of strands is bundled together in a matrix.

3. The device of claim 1 , wherein a resistance factor of the center conductors of the plurality of strands is between 1.0 and 1.1 from 0 Hz to 1 MHz.

4. The device of claim 1 , further comprising a bundle insulation having a resistivity greater than 1×10 10 Ω-m, and the plurality of strands, at least in part, wrapped by the bundle insulation.

5. The device of claim 4 , further comprising a second coating having a resistivity greater than 1.8×10 −8 Ω-m and less than 1 Ω-m wrapped, at least in part, around the bundle insulation.

6. The device of claim 5 , further comprising an electromagnetic induction (EMI) shield wrapped, at least in part, around the second coating.

7. The device of claim 1 , wherein the resistivity of the plurality of strands is between 1.8×10 −6 Ω-m to 1.8×10 −10 Ω-m.

8. A system for supplying power to an electrical vehicle load during vehicle operations of a vehicle, comprising:
an engine mounted in or on the vehicle;
a power source coupled to the engine and configured to generate electrical power at a voltage above 270 volts for the vehicle electrical load during operations of the vehicle;
a first coupling configured to couple to the power source;
a second coupling configured to couple to the vehicle electrical load; and
a plurality of strands electrically disposed between the first coupling and the second coupling and configured to carry voltages above 270 volts at frequencies up to 10 mega-Hertz while maintaining a resistance substantially near one ohm for frequencies up to 10 mega-Hertz, each of the plurality of strands including:
a coating having a resistivity greater than 1.8×10 −8 Ω-m and less than 1 Ω-m; and
a center conductor wrapped, at least in part, by the coating.

9. The system of claim 8 , wherein a resistance factor of the center conductors of the plurality of strands is between 1.00 and 1.75 from 0 Hz to 10 MHz.

10. The system of claim 8 , further comprising a bundle insulation having a resistivity greater than 1×10 10 Ω-m, and the plurality of strands, at least in part, wrapped by the bundle insulation.

11. The system of claim 10 , further comprising a second coating having a resistivity greater than 1.8×10 −8 Ω-m and less than 1 Ω-m wrapped, at least in part, around the bundle insulation.

12. The system of claim 11 , further comprising an electromagnetic induction (EMI) shield wrapped, at least in part, around the second coating.

13. The system of claim 8 , wherein the resistivity of the plurality of strands is between 1.8×10 −6 Ω-m to 1.8×10 −10 Ω-m.

14. The system of claim 8 , wherein the plurality of strands is bundled together in a rectangular cross section.

15. An aircraft, comprising:
a wing;
a fuselage coupled to the wing;
an engine coupled to the fuselage and the wing;
an electrical load of a high energy device associated with the aircraft during flight operations;
a power source coupled to the engine and configured to generate electrical power at a voltage above 270 volts for the electrical load of the high energy device during flight operations; and
a first coupling configured to couple to the power source;
a second coupling configured to couple to the aircraft electrical load; and
a plurality of strands electrically disposed between the first coupling and the second coupling and configured to carry voltages above 270 volts at frequencies up to 10 mega-Hertz while maintaining a resistance substantially near one ohm for frequencies up to 10 mega-Hertz, each of the plurality of strands including:
a coating having a resistivity greater than 1.8×10 −8 Ω-m and less than 1 Ω-m; and
a center conductor wrapped, at least in part, by the coating.

16. The aircraft of claim 15 , wherein the plurality of strands is, at least partially, within a bundle insulation having a resistivity greater than 1×10 10 Ω-m.

17. The aircraft of claim 16 , wherein the bundle insulation is wrapped, at least partially, within a semi conductive layer which has a resistivity greater than 0.000000018 Ω-m and less than 1 Ω-m.

18. The aircraft of claim 17 , wherein the semi conductive layer is, at least partially, within an EMI shield.

19. The aircraft of claim 15 , wherein the resistivity of the plurality of strands is between 1.8×10 −6 Ω-m to 1.8×10 −10 Ω-m.

20. The aircraft of claim 15 , wherein the plurality of strands is bundled together in a rectangular cross section.

Assignees

• Rolls Royce Corp

Inventors

• Loder David

Classifications

• H01R13/6592 Primary

  the conductive member being a shielded cable · CPC title

• H01B9/027

  composed of semi-conducting layers · CPC title

• H01R13/187

  with spring member in the socket · CPC title

• B64D2221/00

  Electric power distribution systems onboard aircraft · CPC title

• H01B7/303 Primary

  Conductors comprising interwire insulation · CPC title