Electric wire for automobile

• US 20040231883A1
• Filed: 03/05/2004
• Published: 11/25/2004
• Est. Priority Date: 03/06/2003
• Status: Active Grant

• Current Assignee: Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Wiring Systems Limited (Sumitomo Corporation)
• Original Assignee: Sumimoto Wiring Systems, Ltd., Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation)
• Inventors: Yoshimura, Masanobu, Kondo, Mamoru
• Granted Patent: US 7,528,319 B2
• Time in Patent Office: Days
• US Class Current: 174/128.1
• CPC Class Codes: D07B 1/147 comprising electric conductors or elements for information transfer D07B1/145 takes precedence
• CPC Class Codes: H01B 3/441 from alkenes
• CPC Class Codes: H01B 3/443 from vinylhalogenides or other halogenoethylenic compounds
• CPC Class Codes: H01B 3/445 from vinylfluorides or other fluoroethylenic compounds
• CPC Class Codes: H01B 5/104 composed of metallic wires, e.g. steel wires
• CPC Class Codes: H01B 7/0009 Details relating to the conductive cores

Abstract

An electric wire for automobile has a compressed conductor which is configured by compressing a conductor including a plurality of surrounding wires to surround the central wire. The wires are configured by combination of both wire made of stainless steel and wire made of copper or copper alloy.

Claims

1. An electric wire for an automobile having a compressed wire configured by compressing a conductor having a plurality of surrounding wires to surround a central wire, wherein the surrounding wires and the central wire are made of copper or a copper alloy and stainless steel.

2. The electric wire according to claim 1, wherein the central wire is made of the stainless steel, and wherein the surrounding wires are made of copper or the copper alloy.

3. The electric wire according to claim 2, wherein the surrounding wires consist of six wires, and the surrounding wires form a single layer.

4. The electric wire according to claim 2, wherein the surrounding wires form two layers, the surrounding wires consist of six wires in first layer of the two layers to surround the central wire, and the surrounding wires consists of twelve wires in a second layer of the two layers to surround the first layer.

5. The electric wire according to claim 1, wherein the central wire is made of the stainless steel, the surrounding wires have first surrounding wires made of copper or the copper alloy and second surrounding wires made of the stainless steel, and the first surrounding wires and the second surrounding wires are alternately arranged one another.

6. The electric wire according to claim 5, wherein the surrounding wires form a single layer, the surrounding wires consist of six wires.

7. The electric wire according to claim 6, wherein twelve surrounding wires made of copper or the copper alloy is disposed to surround the single layer.

8. The electric wire according to claim 1, wherein the central wire is made of the stainless steel, the surrounding wires form two layers, the surrounding wires are made of the stainless steel in a first layer of the two layers to surround the central wire, and the surrounding wires are made of the copper or copper alloy in a second layer of the two layers to surround the first layer.

9. The electric wire according to claim 1, wherein the central wire is made of copper or the copper alloy, the surrounding wires have first surrounding wires made of the stainless steel and second surrounding wires made of copper or the copper alloy, and the first surrounding wires and the second surrounding wires are alternately arranged one another.

10. The electric wire according to claim 9, wherein the surrounding wires form a single layer, the surrounding wires consist of six wires.

11. The electric wire according to claim 10, wherein twelve surrounding wires made of copper or the copper alloy is disposed to surround the single layer.

12. The electric wire according to claim 1, wherein a sectional area of the wire made of stainless steel is equal to a sectional area of the wire made of copper or the copper alloy.

13. The electric wire according to claim 1, wherein a sectional area of the wire made of the stainless steel is smaller than a sectional area of the wire made of copper or the copper alloy.

14. The electric wire according to claim 13, wherein the sectional area of the wire made of the stainless steel is set in 70% through 95% of the sectional area of the wire of copper or copper alloy.

15. An electric wire for an automobile having a compressed wire configured by compressing a conductor having a plurality of surrounding wires to surround a central wire, wherein the surrounding wires and the central wire are made of aluminum or an aluminum alloy and a stainless steel.

16. The electric wire according to claim 15, wherein the central wire is made of the stainless steel, and wherein the surrounding wires are made of aluminum or the aluminum alloy.

17. The electric wire according to claim 16, wherein the surrounding wires consist of six wires, and the surrounding wires form a single layer.

18. The electric wire according to claim 16, wherein the surrounding wires form two layers, the surrounding wires have six wires in first layer of the two layers to surround the central wire, and the surrounding wires have twelve wires in a second layer of the two layers to surround the first layer.

19. The electric wire according to claim 15, wherein the central wire is made of the stainless steel, the surrounding wires have first surrounding wires made of aluminum or the aluminum alloy and second surrounding wires made of the stainless steel, and the first surrounding wires and the second surrounding wires are alternately arranged one another.

20. The electric wire according to claim 19, wherein the surrounding wires form a single layer, the surrounding wires have six wires.

21. The electric wire according to claim 20, wherein twelve surrounding wires made of aluminum or the aluminum alloy is disposed to surround the single layer.

22. The electric wire according to claim 15, wherein the central wire is made of the stainless steel, the surrounding wires form two layers, the surrounding wires are made of the stainless steel in a first layer of the two layers to surround the central wire, and the surrounding wires are made of aluminum or the aluminum alloy in a second layer of the two layers to surround the first layer.

23. The electric wire according to claim 15, wherein the central wire is made of aluminum or the aluminum alloy, the surrounding wires have first surrounding wires made of the stainless steel and second surrounding wires made of aluminum or the aluminum alloy, and the first surrounding wires and the second surrounding wires are alternately arranged one another.

24. The electric wire according to claim 23, wherein the surrounding wires form a single layer, the surrounding wires consist of six wires.

25. The electric wire according to claim 24, wherein twelve surrounding wires made of aluminum or the aluminum alloy is disposed to surround the single layer.

26. The electric wire according to claim 15, wherein a sectional area of the wire made of the stainless steel is equal to a sectional area of the wire made of aluminum or the aluminum alloy.

27. The electric wire according to claim 15, wherein a sectional area of the wire made of the stainless steel is smaller than a sectional area of the wire made of aluminum or the aluminum alloy.

28. The electric wire according to claim 27, wherein the sectional area of the wire made of the stainless steel is set in 70% through 95% of the sectional area of the wire made of aluminum or the aluminum alloy.