Amine-substituted copolymers that may include an amine-substituted pyrrolidine-2,5-dione moiety. Polyamic acids and polyimides, which may be formed by contacting an amine substituted copolymer with a dianhydride, or a dianhydride and a diamine. Articles, such as wires, having a surface on which a polyimide is disposed. Methods for forming polymers.
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
A visual inspection system that may be utilized to inspect and identify defects in magnet wire or other objects is described. The system may include an outer housing, a light source, and at least one visual inspection device. The housing may include a channel through which an object to be inspected is traversed, and the channel may extend along a longitudinal direction and include an inner surface having a diameter that narrows along the longitudinal direction between a first point and an examination area. The light source may be positioned on an opposite side of the first point from the examination area along the longitudinal direction. The visual inspection device(s) may be positioned around an outer circumference of the examination area, and each visual inspection device may be configured to inspect the object through a respective opening in the housing.
A fault detection system for use with wire includes an outer housing and a detection component positioned within the housing. The detection component includes a plurality of emitters and a plurality of detectors positioned around an examination area through which a wire is traversed. Each adjacent pair of emitters is spaced no more than 30 degrees apart, and each of the plurality of detectors is positioned across the examination area from a corresponding emitter. Each of the emitters is configured to emit a signal that is measured by a. corresponding detector, and the detection component is configured to detect one or more defects on a surface of the wire based upon changes in the signals measured by one or more of the plurality of detectors.
G01N 21/89 - Investigating the presence of flaws, defects or contamination in moving material, e.g. paper, textiles
G01N 21/952 - Inspecting the exterior surface of cylindrical bodies or wires
B21C 1/34 - Guiding or supporting the material or mandrels
B65H 63/06 - Warning or safety devices for use when unwinding, paying-out, forwarding, winding, coiling, or depositing filamentary material, e.g. automatic fault detectors or stop-motions responsive to presence of irregularities in running material, e.g. for severing the material at irregularities
G01R 31/08 - Locating faults in cables, transmission lines, or networks
4.
MAGNET WIRE WITH A SEMI-CONDUCTIVE INSULATION LAYER
Magnet wire improved partial discharge performance may include a conductor, a first layer of polymeric enamel insulation formed around the conductor, and a second layer of polymeric enamel insulation formed around the first layer. The second layer may be a semi- conductive layer that includes a base polymeric material and filler particles dispersed within the base polymeric material. Additionally, at least sixty percent by weight of the filler particles may be positioned in an outer half of a thickness of the second layer.
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
Amine-substituted copolymers that may include an amine-substituted pyrrolidine-2,5-dione moiety. Polyamic acids and polyimides, which may be formed by contacting an amine substituted copolymer with a dianhydride, or a dianhydride and a diamine. Articles, such as wires, having a surface on which a polyimide is disposed. Methods for forming polymers.
Amine-substituted copolymers that may include an amine-substituted 2-amino-ethan-1-ol moiety. Polyamic acids and polyimides, which may be formed by contacting an amine substituted copolymer with a dianhydride, or a dianhydride and a diamine. Articles, such as wires, having a surface on which a polyimide is disposed. Methods for forming polymers.
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
Magnet wire including extruded insulation formed from multiple layers of different materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include a first layer of extruded thermoplastic insulation formed around the conductor and a second layer of extruded thermoplastic insulation formed around the first layer of extruded thermoplastic insulation. The first layer may be formed from a first polymeric material having a first thermal index, and the second layer may be formed from a second polymeric material having a second thermal index higher than the first thermal index.
C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyesters, polyethers, polyacetal
H01B 13/14 - Insulating conductors or cables by extrusion
H01F 27/32 - Insulating of coils, windings, or parts thereof
H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
Continuously transposed conductor (“CTC”) cables are described. A CTC cable may include a plurality of electrically insulated strands connected in parallel at their ends. Additionally, each strand may include one or more conductors and an extruded insulation layer formed at least partially around the one or more conductors.
H01R 4/00 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
H02K 3/28 - Layout of windings or of connections between windings
H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyesters, polyethers, polyacetal
H01B 7/30 - Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying AC, e.g. due to skin effect
patents
