Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Toyota Jidosha Kabushiki Kaisha

Masayuki Ishikawa

Takaya Kohori

Kenta Kobayashi

Yuji Ochi

Akira Kitabata

Satoshi Hashimoto

Takami Sagisaka

Shigeyuki Tanaka

Taro Fujita

Yutaka Matsumura

Jo Yagisawa

Takumi Ooshima

Hiroshi Hayami

Taiko Sato

Hiroyuki Ishikawa

Seie Kobayashi

Tsunenori Morioka

A multicore cable includes power lines, and an outer jacket covering the power lines. The power lines include one first conductor disposed at a center, and second conductors disposed on an outer periphery of the first conductor, that are twisted together. Each of the first and second conductors includes 10 or more and 100 or less twisted second element wires. A direction of lay of the first element wires of the first conductor, a direction of lay of the second element wires of the second conductor, and a direction of lay of the first conductor and the second conductors of the power line are the same. A length of lay of the first element wires and a length of lay of the second element wires are greater than or equal to 8 mm and less than or equal to 22 mm.

Multicore cable

An insulated electric cable including: two first core wires, each of the two first core wires including: a first conductor; and a first insulating layer covering the first conductor; and two second core wires, each of the two second core wires including: a second conductor having a cross-sectional area smaller than that of the first conductor; and a second insulating layer covering the second conductor; wherein the two second core wires are mutually stranded to form a subunit, and wherein one of the two first core wires, another of the two first core wires, and the subunit are mutually stranded and are in contact with each other to form a core member.

Insulated electric cable

The cable according to one embodiment of the invention comprises: one or a plurality of core members, each having a conductor and an insulation cover material covering the conductor; and a sheath layer covering the one or the plurality of core members. The sheath layer comprises an inner sheath layer, and an outer sheath layer covering the inner sheath layer. The inner sheath layer comprises a crosslinked very low density polyethylene. The main component of the outer sheath layer is polyurethane. Relative to 100 parts by mass of resin component in the inner sheath layer, the very low density polyethylene content is between 20 parts by mass and 100 parts by mass inclusive. The elastic modulus of the inner sheath layer at 25&#xb0; C. is between 5 MPa and 30 MPa inclusive.

Cable

A composite cable that enables to easily restrain falling-off of separator dust at the time of peeling off a sheath, in comparison with composite cables in the conventional art. The composite cable includes a plurality of wires, a separator that covers the outer circumference of the plurality of wires all together, a sheath that covers the outer circumference of the separator, and an inclusion that is interposed between the separator and the sheath. The separator has a base layer composed of a polymer and an adhesive layer formed on the surface of the base layer on the inclusion side. In the composite cable, the adhesive layer is adhered to the inclusion.

Composite cable

Provided is an insulated electrical cable including: a core wire made up of at least one insulated wire including a conductor and an insulating layer covering the conductor; an inner sheath layer covering the core wire; and an outer sheath layer covering the inner sheath layer. The inner sheath layer has an elastic modulus A at &#x2212;30&#xb0; C. in a range from 10 MPa to 1000 MPa.

Insulated electrical cable with inner sheath layer

A composite cable includes an electric wire bundle, and an outer layer sheath covering the electric wire bundle. The electric wire bundle includes a one-core first electric wire, a one-core second electric wire, a two-core twisted pair electric wire, a one-core third electric wire, and one wire-like interposed material formed in the shape of a wire using a polymer. In the electric wire bundle, in a cross sectional view the twisted pair electric wire is disposed on one side of a centerline joining the center of the first electric wire and the center of the second electric wire, and the third electric wire and the wire-like interposed material are disposed on the other side of the centerline.

A core wire for multi-core cables includes a conductor obtained by twisting a plurality of elemental wires, and an insulating layer coated on an outer peripheral surface of the conductor. The insulating layer contains polyethylene-based resin as a main component, and the product of a linear expansion coefficient C1 of the insulating layer in the range of 25&#xb0; C. to &#x2212;35&#xb0; C. and an elastic modulus E1 at &#x2212;35&#xb0; C., namely (C1&#xd7;E1), is 0.01 MPaKor more and 0.90 MPaKor less. The melting point of the polyethylene-based resin is 80&#xb0; C. or higher and 130&#xb0; C. or lower.

Core wire for multi-core cables and multi-core cable

An automobile architecture includes a composite cable, a main electronic control unit, a subsidiary electronic control unit, a motor sensor, and a wheel velocity sensor. In the architecture, the composite cable connects the main electronic control unit and the subsidiary electronic control unit, and the motor sensor and the wheel velocity sensor are connected to the subsidiary electronic control unit.

Automobile architecture

A composite cable which makes it possible to improve disconnection resistance of a signal line. The composite cable includes a signal line part, a pair of power supply lines, and a sheath. The signal line part is composed of a first signal line and a second signal line twisted together. Each of the first signal line and the second signal line is composed of a pair of wires twisted together. The sheath covers an outer circumference of a wire bundle composed of the signal line part and a pair of power supply lines, the signal line part and the pair of power supply lines being twisted together. The signal line part is covered with a shield conductor formed of a conductive element wire spirally wound around the outer circumference of the signal line part.

Composite cable with inclusion interposed between separator and sheath

A core wire for multi-core cables includes a conductor obtained by twisting a plurality of elemental wires, and an insulating layer coated on an outer peripheral surface of the conductor. The insulating layer contains polyethylene-based resin as a main component, and the product of a linear expansion coefficient C1 of the insulating layer in the range of 25&#xb0; C. to &#x2212;35&#xb0; C. and an elastic modulus E1 at &#x2212;35&#xb0; C., namely (C1&#xd7;E1) is 0.01 MPaKor more and 0.90 MPaKor less. The melting point of the polyethylene-based resin is 80&#xb0; C. or higher and 130&#xb0; C. or lower.

An insulated electric cablehas a core member I formed by stranding a plurality of core wires, each of the core wiresincluding a conductorand an insulating layercovering the conductor, an inner sheathcovering the core member I, an outer sheathcovering the inner sheath, and a paper tapedisposed between the core member I and the inner sheathin a state that it is wrapped around the core member I, in which the outer sheathis formed by a flame-retardant polyurethane resin, and a cross-sectional area of each of conductorsis within 0.18-3.0 mm2.

A composite cable includes a signal line part, a pair of power supply lines, and a sheath. The signal line part is composed of a first signal line and a second signal line twisted together. Each of the first signal line and the second signal line is composed of a pair of wires twisted together. The sheath covers an outer circumference of a wire bundle composed of the signal line part and a pair of power supply lines, the signal line part and the pair of power supply lines being twisted together. The signal line part is covered with a shield conductor formed of a braid composed of a plurality of conductive element wires braided together.

Growing community of inventors

Kanuma, Japan

Masayuki Ishikawa