Wire harness with covering materials and tube containing cross-linked polyethylene

Patent metadata

Field	Value
Publication number	US-11075470-B2
Application number	US-202016814224-A
Country	US
Kind code	B2
Filing date	Mar 10, 2020
Priority date	Mar 25, 2019
Publication date	Jul 27, 2021
Grant date	Jul 27, 2021

Abstract

A wire harness that includes a first wire and a second wire each including a core wire and a covering material that covers the core wire; and a tube, wherein: the tube covers a connection between the core wire of the first wire and the core wire of the second wire, each of the covering materials contains a cross-linked polyethylene, the tube contains a cross-linked polyethylene, the tube and each of the covering materials are directly joined, and a tensile shear strength between the tube and each of the covering materials is 350 kPa or more.

First claim

What is claimed is:

1. A wire harness comprising:
a first wire and a second wire each including a core wire and a covering material that covers the core wire; and
a tube, wherein:
the tube covers a connection between the core wire of the first wire and the core wire of the second wire,
each of the covering materials contains a cross-linked polyethylene,
the tube contains a cross-linked polyethylene,
the tube and each of the covering materials are directly joined,
a tensile shear strength between the tube and each of the covering materials is 350 kPa or more, and
the wire harness includes a lamella phase in a cross-linked polyethylene which extends between a base material of the tube and a base material of at least one of the covering materials.

2. The wire harness according to claim 1 ,
wherein the wire harness includes a lamella phase respectively extending between the base material of the tube and the base material of each of the covering materials.

3. The wire harness according to claim 1 ,
wherein each of the core wires has a nominal cross-sectional area of 4 mm 2 or more.

4. The wire harness according to claim 1 ,
wherein the tube contains a cross-linked polyethylene that has been cross-linked using an electron beam.

5. The wire harness according to claim 1 ,
wherein each of the covering materials contains a cross-linked polyethylene that has been cross-linked using an electron beam, or a cross-linked polyethylene that has been cross-linked using a silane coupling agent.

6. The wire harness according to claim 1 , wherein
the core wire of the first wire is a stranded wire made of copper, and
the core wire of the second wire is a single-core wire or stranded wire made of aluminum.

7. The wire harness according to claim 1 , wherein
the wire harness includes a pipe, and
the tube is disposed within a barrel of the pipe.

8. An architecture comprising:
the wire harness according to claim 6 ;
a high-voltage battery; and
an inverter, wherein:
the core wire of the first wire is connected to the high-voltage battery, and
the core wire of the second wire is connected to the inverter.

9. The architecture according to claim 8 ,
wherein the wire harness is disposed underneath a floor of a vehicle.

Assignees

• Autonetworks Technologies Ltd
• Sumitomo Wiring Systems
• Sumitomo Electric Industries

Inventors

• Nakashima Kazuo
• Rachi Hironobu
• Izawa Katsutoshi
• Kuroishi Ryo
• Adachi Takashi

Classifications

• Y02A30/14

  Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables · CPC title

• H01R4/62

  Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors (H01R4/68 takes precedence) · CPC title

• B60R16/0215

  Protecting, fastening and routing means therefor · CPC title

• H01R4/021

  between two or more cables or wires · CPC title

• H01R2201/26

  for vehicles · CPC title