Sealed conductor cable

Patent metadata

Field	Value
Publication number	US-9761352-B2
Application number	US-201414766319-A
Country	US
Kind code	B2
Filing date	Mar 6, 2014
Priority date	Mar 7, 2013
Publication date	Sep 12, 2017
Grant date	Sep 12, 2017

Abstract

A stranded conductor ( 2 ) including a specific number of a first type of wire ( 5 ) which, in cross-section of the stranded conductor, are arranged in a hexagonal pattern around a central wire in at least two layers. The wires arranged at the vertices of the hexagonal pattern are of a second type of wire having in principle a smaller diameter than the first type of wires. The interstitial spaces ( 10 ) between the first and the second wires are filled by a sealing agent ( 3 ).

First claim

What is claimed is:

1. A stranded conduct ( 2 ) comprising:
a. a specific number of a first type of wire ( 5 ) which, in cross-section of the stranded conductor, are arranged in a hexagonal pattern around a central wire in at least two layers,
b. whereby the wires arranged at vertices of the most outer layer of the hexagonal pattern are of a second type of wire ( 6 ) having a smaller diameter than the first type of wires;
c. and wherein interstitial spaces ( 10 ) between the first and the second wires are filled by a sealing agent ( 3 );
d. wherein the first ( 5 ) and the second ( 6 ) type of wires in the stranded conductor ( 2 ) include a non-circular cross-section.

2. The stranded conductor ( 2 ) according to claim 1 , wherein the non-circular cross-section results from deformation process by pulling the conductor through a closing die( 24 ).

3. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the first type ( 5 ) include a circular cross-section before stranding.

4. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the second type ( 6 ) include a circular cross-section before stranding.

5. The stranded conductor ( 2 ) according to claim 1 , wherein the interstitial space ( 10 ) takes between 2%-20% of the area of the cross-section.

6. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the second type ( 6 , 6 ′) each include three contact zones by which they interact with neighboring wires of the first type ( 5 , 5 ′).

7. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the first type ( 5 ′) in the stranded conductor include a general hexagonal cross-section.

8. The stranded conductor according to claim 1 , wherein the wires of the first type ( 5 , 5 ′) of the outer layer are substituted by wires of a third type ( 8 ′), wherein the wires of the third type ( 8 ′) include a larger diameter then the wires of the first type ( 5 , 5 ′).

9. The stranded conductor ( 2 ) according to claim 8 , wherein the wires of the third type ( 8 ′) have a diameter which is in the range of 1.02 and 1.2 times the diameter of the wires of the first type ( 5 ).

10. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the first type ( 5 ) have a diameter in the range 0.05 mm and 3.0 mm.

11. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the second type ( 6 ) have a diameter which is in the range of 0.5 and 0.95 times the diameter of the wires of the first type ( 5 ).

12. The stranded conductor ( 2 ) according to claim 1 , wherein the scaling agent ( 3 ) is a grease and/or an oil and/or a plastic material.

13. The stranded conductor ( 2 ) according to claim 1 , wherein an outer surface of the stranded conductor ( 2 ) is covered by a jacket ( 4 ) which comprises at least one layer of an electrically insulating material.

14. The stranded conductor ( 2 ) according to claim 1 comprising a total of 19 or 37 or 61 wires ( 5 , 5 ′, 6 , 6 ′).

15. The stranded conductor ( 2 ) according to claim 1 , wherein the first and/or the second type of wires ( 5 , 5 ′, 6 , 6 ′) are selected from a group of the following materials: Aluminum, aluminum alloy, copper, copper alloy.

16. The stranded conductor ( 2 ) according to claim 1 , wherein the wires of the second type ( 6 ) are made out of a material which has a different Young's modulus that the material the wires of the first type ( 5 ) are made from.

17. The stranded conductor ( 2 ) according to claim 16 , wherein the Young's modulus of the wires of the second type ( 6 ) is lower than the Young's modulus of the wires of the first type ( 5 ).

Assignees

• Huber+Suhner Ag

Inventors

• Cantz Thomas

Classifications

• H01B7/0009

  Details relating to the conductive cores · CPC title

• H01B7/288 Primary

  using hygroscopic material or material swelling in the presence of liquid · CPC title

• H01B3/30

  plastics; resins; waxes · CPC title

• H01B5/08

  Several wires or the like stranded in the form of a rope · CPC title

• H01B1/023

  Alloys based on aluminium · CPC title