Patent classifications
H01B7/30
Insulated wire, coil and method for manufacturing the coil
An insulated wire includes a conductor including a copper material, and an insulation layer that is formed on an outer periphery of the conductor. A restoring temperature T.sub.B of the conductor is not more than 130° C. The restoring temperature T.sub.B is a temperature that is needed to restore a conductivity of the conductor after a coil processing to a conductivity of the conductor before the coil processing.
Notched conductor for telecommunication cable
The present disclosure relates to an insulated conductor for a telecommunications cable. The insulated conductor includes a first surface surrounding a core region of the notched conductor. The first surface defines a plurality of grooves extending radially inward towards the second longitudinal axis of the insulated conductor. Each of the plurality of grooves comprises of a first groove area section and a second groove area section. The first groove area section and the second groove area section are in continuous contact. The insulated conductor includes an insulation layer circumferentially surrounding the conductor. The insulated conductor has a first diameter in a range of about 0.5 millimeters to 0.65 millimeters. The telecommunications cable includes, plurality of twisted pairs of insulated conductors, a separator and a cable jacket.
FOIL INDUCED HIGH FREQUENCY SKIN EFFECT IN STRANDED CENTER CONDUCTOR COPPER CABLE
A cable apparatus is disclosed which can include at least one metal stranded center conductor, and a metal foil wrap that surrounds and wraps the at least one metal stranded center conductor. In addition, the cable apparatus can include an insulating layer that surrounds the metal foil wrap, and may include a shielding that surrounds and encapsulates the insulating layer. A jacket can surround the shielding. The cable apparatus can be used in coaxial, twin-coaxial, and twisted pairs wire arrangements.
Power distribution system for aircraft
A power distribution system is disclosed for conducting electrical power through a combination of hollow tube conductors and flexible cabling. Each hollow tube conductor includes an end formed into flat pads. The flexible cabling comprises litz wire, and includes ends crimped to integral lugs. An end of the flexible cabling is coupled to an end of the hollow tube conductor. The other end of the flexible cabling is coupled to an electric device. The other end of the hollow tube conductor is coupled to another flexible cable, which is in turn coupled to another electric device. By connecting the hollow tube conductors, flexible cabling, and electrical devices in this way, an electrically conductive pathway may be established between the electrical devices. The power distribution system conducts alternating current (AC) power, and addresses the skin effect phenomenon that occurs when conducting AC power. The power distribution system can be utilized in the highly-constrained environment of electric aircraft, where weight and space is at a premium.
Nanowire based electrical contact system
An electrical connection and control system is provided including a power source configured to provide a direct current output and an electrically powered element configured to receive power from the power source. The power is supplied via strips of nanowire material applied upon a surface. Controllers are provided to control the electrically powered elements via switches and/or via network connections.
Assembled wire, method of producing the same, and electrical equipment using the same
An assembled wire, having: an assembled conductor composed of a plurality of conductor strands each having a rectangular cross-section, stacked and arranged each other across an interlayer insulating layer; an insulating outer layer that coats the assembled conductor including the interlayer insulating layer; and an adhesion layer composed of a thermoplastic resin having a thickness of 3 μm or more and 10 μm or less between the assembled conductor and the insulating outer layer.
WIRE AND METHOD FOR MANUFACTURING SAME
A method for manufacturing a wire includes: preparing a tubular outer layer body including a magnetic metal containing iron; preparing a metal core body having an outer diameter that is 85.1% or more and 99.4% or less of an inner diameter of the tubular outer layer body; mechanically polishing an inner surface of the tubular outer layer body and an outer surface of the metal core body; treating at least one of the inner surface of the tubular outer layer body and the outer surface of the metal core body with hydrochloric acid; obtaining a preform by disposing the metal core body inside the tubular outer layer body; and obtaining a wire by drawing the preform through a wire drawing die.
High frequency signal transmission cable
A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer includes a non-cross-linked polyethylene is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an entire periphery of a roughened outer surface of the crack suppressing layer. The crack suppressing layer is unadhered to the insulator. The plating layer is adhered to the crack suppressing layer. The crack suppressing layer suppresses an occurrence of a cracking in the plating layer by bending together with the plating layer while being integral and moving with the plating layer in a longitudinal direction of the cable.
Electric wire for high frequency, high voltage and large current
An electric wire contains a conductive wire having at least a groove structured on the surface of the conductive wire, and an additional wire to be filled into the groove. The groove is provided on an outer surface of the conductive wire along a longitudinal direction of the conductive wire. The additional wire is inserted in the groove.
Electric wire for high frequency, high voltage and large current
An electric wire contains a conductive wire having at least a groove structured on the surface of the conductive wire, and an additional wire to be filled into the groove. The groove is provided on an outer surface of the conductive wire along a longitudinal direction of the conductive wire. The additional wire is inserted in the groove.