H01B7/0225

ATF OIL AND CORONA-RESISTANT ENAMELED WIRE FOR ELECTRIC VEHICLE MOTOR AND PREPARATION METHOD THEREOF
20230079070 · 2023-03-16 ·

Provided is an ATF oil and corona-resistant enameled wire for electric vehicle motors, belonging to the insulating materials field. The ATF oil and corona-resistant enameled wire for electric vehicle motors comprises a copper conductor and an insulating layer, wherein said insulating layer from inside to outside is composed of ATF oil and corona-resistant protective film, corona-resistant PAI film, ATF oil and corona-resistant protective film, corona-resistant PAI film, ATF oil and corona-resistant protective film. The ATF oil and corona resistant enameled wire of this disclosure is suitable for the preparation of oil-cooled electric vehicle motor loose winding coil due to the advantages of good manufacturability, excellent ATF oil and corona resistance, and low manufacturing cost.

CABLE ASSEMBLY AND MANUFACTURING METHOD THEREOF

Cable manufacturing method and cable assembly, comprising a transmission wire, a first metal covering layer, an inner insulating layer, a second metal covering layer, an outer insulating layer, an insulating protective layer, and an outer metal layer. The transmission wire extends along a first direction. The first metal covering layer extends along the first direction and covers the transmission wire. The first metal covering layer comprises a first axial end part. The inner insulating layer extends along the first direction and coves the first metal covering layer. The inner insulating layer comprises a second axial end part. The second metal covering layer extends along the first direction and covers the inner insulating layer. The second metal covering layer comprises a third axial end part. The outer insulating layer extends along the first direction and covers the second metal covering layer. The outer insulating layer comprises a fourth axial end part.

POLYMER COATED CONDUCTIVE RIBBON

A polymer coated conductive ribbon is described herein, wherein the polymer coated conductive ribbon consists essentially of a smooth conductive member having a defined width and thickness substantially enclosed in an insulating polymeric sheath, wherein the insulating polymeric sheath comprises a thermoplastic insulating polymer as a first storage modulus (G′) is above 0.2 MPa at 40° C. and a second storage modulus below 0.05 MPa at 160° C.

Electrical device having an insertable high-voltage bushing

An insertable high-voltage bushing includes an inner conductor which extends in a longitudinal direction between a high-voltage terminal and a plug-in section of the high-voltage bushing. The plug-in section is configured for the insertion of the high-voltage bushing into a device connection part of an electrical device. An insulating body at least partially extends around the inner conductor. A housing at least partially extends around the outside of insulating body. The housing includes a tubular housing element which extends between a head fitting at the high-voltage terminal of the high-voltage bushing and a mounting flange for fastening the high-voltage bushing to a device housing of the electrical device. The housing element is made of a composite material and a secondary insulation provided between the housing element and the insulating body is formed of a dry foam.

Winding insulation system
11605994 · 2023-03-14 · ·

A winding insulation system includes a set of insulated conductors, main wall insulation provided around the conductors, corona shield tape provided around the main wall insulation, stress grading tape provided around the corona shield tape, and sealing tape provided around the stress grading tape. The main wall insulation includes inner, intermediate, and outer sections. The inner section includes polyimide mica paper reinforced with any combination of the group consisting of: glass cloth, polyester film, and polyester mat, the inner section being provided in half-lap layer(s). The intermediate section includes mica paper reinforced with any combination of the group consisting of: glass cloth, polyester film, and polyester mat, the intermediate section being provided in half-lap layer(s). The outer section includes mica tape backed with aramid and reinforced with any combination of the group consisting of: glass cloth, polyester film, and polyester mat, the outer section being provided in half-lap layer(s).

COATED WIRE
20170365374 · 2017-12-21 ·

A coated wire suitable for aerospace applications includes a metallic conductor elongated along an axis and having an outer surface extending along the axis, and three coating layers surrounding the conductor. A first coating layer is connected to the outer surface of the conductor and extends along the axis to surround the conductor, and the first coating layer is formed of ethene-tetrafluoroethene. A second coating layer is connected to the first coating layer and extends along the axis to surround the first coating layer, and the second coating layer is formed of polyaryletherketone. A third coating layer is connected to the second coating layer and extends along the axis to surround the third coating layer, wherein the third coating layer is formed of ethene-tetrafluoroethene. The three coating layers may each be continuous and seamless extruded layers in one configuration.

COMPRESSION AND STRETCH RESISTANT COMPONENTS AND CABLES FOR OILFIELD APPLICATIONS
20170358385 · 2017-12-14 ·

An opto-electrical cable may include an opto-electrical cable core and a polymer layer surrounding the opto-electrical cable core. The opto-electrical cable core may include a wire, one or more channels extending longitudinally along the wire, and one or more optical fibers extending within each channel. The opto-electrical cable may be made by a method that includes providing a wire having a channel, providing optical fibers within the channel to form an opto-electrical cable core, and applying a polymer layer around the opto-electrical cable core. A multi-component cable may include one or more electrical conductor cables and one or more opto-electrical cables arranged in a coax, triad, quad configuration, or hepta configuration. Deformable polymer may surround the opto-electrical cables and electrical conductor cables.

High-voltage insulator

A high-voltage insulator has an insulating body which is arranged around a high-voltage conductor. The high-voltage insulator has a damping chamber which at least partially engages around the insulating body and which is filled with an electrically insulating damping medium for damping an action of external mechanical force on the insulating body. A transformer bushing for routing a high-voltage conductor out of a transformer housing in an electrically insulating manner is further disclosed. The transformer bushing is characterized in that the transformer bushing contains a high-voltage insulator.

MULTIFUNCTIONAL CABLE
20170309371 · 2017-10-26 ·

A multifunctional cable is particularly suitable for the automotive industry. The multifunctional cable has a plurality of functional elements. A core in the form of a sheathed line contains at least one inner functional element. At least one outer functional element is wound around the sheathed line core.

Cable structure

A cable structure including at least one conductor, a cladding layer, a low dielectric constant (Dk) resin layer, and a shielding layer is provided. The cladding layer includes a low Dk adhesive layer and two insulation layers. The low Dk adhesive layer is coated around the at least one conductor. The two insulation layers respectively are adhered to two opposite surfaces of the low Dk adhesive layer. Each of the low Dk adhesive layers and the two insulation layers has a dielectric constant between 1.3 and 3. The low Dk resin layer is adhered to the cladding layer through a first adhesive layer. The shielding layer is adhered to the low Dk resin layer through a second adhesive layer. The at least one conductor is disposed in the low Dk adhesive layer and positioned between the two insulation layers.