A power conductor for conducting electricity between a power source and a load is disclosed. A conductive body connects between the power source and the load. A sealed chamber is provided in the interior of the conductive body and contains a working fluid for changing phase when heated. A circuit, a vehicle power distribution circuit, and a vehicle incorporating the same are also disclosed.

Embodiments of the invention provide self-regulating heater cables having improved heat transfer efficiency as well as improved reliability and endurance. The heater cable assembly includes an outer sheath that surrounds a core. The outer sheath includes a conductive ground layer disposed between an inner jacket and outer jacket. The core includes first and second bus wires configured to carry electrical power and a self-regulating resistive heating element that extends along a path to electrically connect the first and second bus wires and convert electric current into thermal energy. The path can be defined by an electrically insulating material disposed in the core and/or the inner jacket.

A cooled system includes an enclosure having an outer surface and an inner surface comprising a cooled enclosed area, multiple cable brackets thermally coupled to the outer surface of the enclosure, each cable bracket including a first surface conforming to the outer surface of the enclosure and an opening therethrough sized to hold a cable and conduct heat from the cable to the outer surface of the enclosure.

An electric wire protecting device is used in order to be capable of being installed in a narrow wiring area like one in a small aircraft, and to minimize a risk of an electric arc inside electric wire bundles at low costs. To this end, the electric wire protecting device includes: power wire groups each of which is an assembly of one or more power wires at the same potential; a tape for binding the power wire groups at different potentials from one another into one bundle at a constant pitch; and a spacer extending in a direction of extension of the power wire groups, and inserted in boundaries between the power wire groups.

Provided is a far infrared ray-radiating and electromagnetic wave-shielding heating wire using a graphene plate. The heating wire includes: one core wire formed by binding several strands of threads, each of which has a graphene plate conductive layer formed therein; and a plurality of strands of heat wires covered by a covering material and wound around the outer surface of the core wire. Accordingly, when the heating wire is heated by supplied power, heat conductivity is improved, so that electricity consumption in an electric heating product is reduced and the effect of radiating far infrared rays and shielding electromagnetic waves is enhanced. In addition, even when the heating wire is bent and transformed according to the use of the product, disconnection and the risk of fire caused thereby are prevented, so that usage stability of an electric heating product group to which the heating wire is applied is enhanced.

A thermally conductive flat self-fusing enameled wire includes a flat metal conducting wire core, a thermally conductive insulator layer surrounding the flat metal conducting wire core to cover the same, and a thermally conductive insulating fusion layer surrounding the thermally conductive insulator layer to cover the same. The thermally conductive insulator layer is made at least from a polyamide-imide based polymer having a repeating unit of 4,4′-stilbenediamide group, and a ceramic material.

Electrical cables and processes for making and using same. In some examples, the electrical cable can include one or more insulated electrical conductors and one or more metallic elements cabled together and a metallic layer disposed about the one or more insulated electrical conductors and the one or more metallic elements. The one or more metallic elements can partially fill a space located between the one or more insulated electrical conductors and the metallic layer. The one or more insulated electrical conductors can each include an electrically conductive core, a layer of electrically insulating material disposed about the electrically conductive core, and a layer of metallic strands disposed about the layer of electrically insulating material.

An electronic device includes a heat dissipation structure. The heat dissipation structure comprises a flexible substrate, a graphite sheet, and a heat insulating material. The flexible substrate comprises a first surface and a second surface facing away from the first surface. The flexible substrate is disposed on the graphite sheet, and the second surface faces the graphite sheet. At least one containing cavity is formed between the flexible substrate and the graphite sheet. The heat insulating material is filled in the containing cavity. A cover plate is disposed on the first surface. At least one groove is formed on the flexible substrate from the first surface to the second surface. The groove is sealed by the cover plate to formed a sealed cavity. A phase changing material is filled in the sealed cavity.

A cable heater assembly includes a cable heater and an adapter system. The cable heater includes an outer sheath and a conductor. A portion of the conductor is exposed from the outer sheath. The adapter system includes an adapter body mounted to an end of the cable heater and a cap joined to the adapter body to enclose the portion of the conductor inside the cap.

Methods and systems for a dielectric material coated busbar are provided. In one example, a conductive material may be formed into a shape of a busbar and portions of the busbar may be selectively coated with a dielectric material which may be both electrically insulating and thermally conductive. The dielectric coated portions of the busbar may dissipate heat to a heat sink via a thermal interface material compressed on the busbar.