Patent classifications
H01B1/023
LCDI power cord
A power cord with leakage current detection function includes an insulated neutral wire and aluminum foil wrapping or surrounding the neutral wire insulator. The neutral wire aluminum foil has a conductive side and a non-conductive side, wherein the non-conductive side is adjacent to the outside of the neutral wire insulator and the conductive side is facing outwards. The power cord also includes an insulated line wire surrounded by aluminum foil where the conductive side is facing outwards and in contact with the conductive side of the aluminum foil surround the neutral wire. The power cord also includes a copper braid surrounding an insulated ground wire, wherein the copper braid is in simultaneous electrical contact with the conductive sides of the line and neutral aluminum foil wraps.
LCDI Power Cord System and Method
A system and method for an LCDI power cord and associated circuits is provided. The system and method include energizing shielded neutral wires and shielded line wires and monitoring the energized shields for surges, e.g., arcing, detected by a Leakage Current Detection Circuit (LCDC) and/or voltage drops, e.g., shield breaks, detected by a Shield Integrity Circuit (SIC).
LCDI Power Cord System and Method
A system and method for an LCDI power cord and associated circuits is provided. The system and method include energizing shielded neutral wires and shielded line wires and monitoring the energized shields for surges, e.g., arcing, detected by a Leakage Current Detection Circuit (LCDC) and/or voltage drops, e.g., shield breaks, detected by a Shield Integrity Circuit (SIC).
Aluminum alloy foil for electrode collector and production method therefor
An object of the present invention is to provide an aluminum alloy foil for an electrode current collector and a manufacturing method thereof, the foil having a high strength and high strength after a drying process after the application of the active material while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: forming by continuous casting an aluminum alloy sheet containing 0.03 to 1.0% of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, performing cold rolling to the aluminum alloy sheet at a cold rolling reduction of 80% or lower, and performing heat treatment at 550 to 620 C. for 1 to 15 hours.
ALUMINUM ALLOY CONDUCTIVE WIRE, ELECTRICAL WIRE AND WIRE HARNESS USING THE SAME
An aluminum alloy conductive wire that includes 0.15 mass % or more and 0.25 mass % or less of Si; 0.6 mass % or more and 0.9 mass % or less of Fe; 0.05 mass % or more and 0.15 mass % or less of Cu; 0.2 mass % or more and 2.7 mass % or less of Mg, and 0.03 mass % or less in total of Ti, V, and B. The aluminum alloy conductive wire has tensile strength of equal to or less than T.sub.1 MPa represented by T.sub.1=59.5 ln(x)+231 and conductivity of equal to or more than C %IACS represented by C=1.26x.sup.211.6x+63.4 in a case where a content rate of Mg in the aluminum alloy conductive wire is x mass %.
ELECTROCHROMIC DEVICE
An electrochromic device according to an embodiment includes a first transparent conductive layer, an ion storage layer, an electrolyte layer, an electrochromic layer, and a second transparent conductive layer. The electrolyte layer includes a tantalum atom. The electrochromic layer includes a tungsten atom. The ion storage layer includes an iridium atom and a tantalum atom. The ion storage layer is hydrogenated in bleached state and the electrochromic device has a transmittance of 64.1% or more in bleached state. A difference between the transmittance of the electrochromic device in bleached state and the transmittance of the electrochromic device in colored state is 8.4% or more.
SUPERCONDUCTOR WIRE BASED ON MGB2 CORE WITH AI BASED SHEATH AND METHOD OF ITS PRODUCTION
The sheath (3) is a material, which includes an aluminium (Al) matrix, in which nanometric aluminium oxide particles (Al.sub.2O.sub.3) are homogenously dispersed, the content of Al.sub.2O.sub.3 is 0.25 to 5 vol. % and the balance is Al. It is preferred that Al.sub.2O.sub.3 originates from the surface layer present on Al powder used as feedstock material for consolidation. The superconductor based on magnesium diboride (MgB.sub.2) core (1) is fabricated by powder-in-tube or internal magnesium diffusion to boron technology, while the tube is the Al+Al.sub.2O.sub.3 composite, which is a product of powder metallurgy. A loose Al powder is pressed by cold isostatic pressing, and then the powder billet is degassed at elevated temperature and under vacuum, and then is hot extruded into a tube. A thin diffusion barrier (2) tube filled up with a mixture of Mg and B powders or Mg wire surrounded with B powder is placed into the Al+Al.sub.2O.sub.3 composite tube under inert gas or vacuum. Such composite unit is cold worked into a thin wire and then annealed at 625-655 C. for 8-90 min, what results in a formation superconducting MgB.sub.2 in a wire's core (1).
Electrochromic device
An electrochromic device according to an embodiment comprises a transparent conductive layer, an ion storage layer, an electrolyte layer, an electrochromic layer, and a reflective layer or a transparent conductive layer, wherein the ion storage layer includes an iridium atom and a tantalum atom, wherein the electrolyte layer includes a tantalum atom, wherein the electrochromic layer includes a tungsten atom, wherein at least one of the tungsten atom of the electrochromic layer and the iridium atom and the tantalum atom of the ion storage layer is hydrogenated, wherein the reflective layer is non-porous.
ALUMINIUM ALLOY MATERIAL, AND CABLE, ELECTRIC WIRE, AND SPRING MEMBER USING SAME
The present invention provides an aluminum alloy material which has high resistance to flexural fatigue and prescribed elongation characteristics; contains, in terms of mass %, 0.20-1.80% Mg, 0.20-2.00% Si, and 0.01-1.50% Fe; and further contains at least one element selected from among Cu, Ag, Zn, Ni, Ti, Co, Au, Mn, Cr, V, Zr, and Sn in a total amount of 0.00-2.00%, with the remainder made up of Al and inevitable impurities. The aluminum alloy material has a fibrous metal structure in which crystal grains extend in one direction. In a section of the aluminum alloy material perpendicular to the longitudinal direction of the crystal grains, the average crystal particle size R1 of the crystal grains present at a position D, which is a position at a depth of 1/20 of the thickness of the aluminum alloy material from the surface of the aluminum alloy material, is 400 nm or less, and the ratio of the average crystal particle size R2 of the crystal grains present at a central position in the thickness direction of the aluminum alloy material to the average crystal particle size R1, R2/R1, is 1.8 or higher.
ELECTRIC WIRE CONDUCTOR, COVERED ELECTRIC WIRE, WIRE HARNESS, AND METHOD FOR MANUFACTURING ELECTRIC WIRE CONDUCTOR
An electric wire conductor 10A comprising a wire strand comprising a plurality of elemental wires 1 twisted together, the wire strand comprising a deformed part in which a cross-section of the wire strand intersecting an axial direction of the wire strand is formed into: a flat shape in which a width W of the cross-section is larger than a height H of the cross-section, or a sector shape comprising either a single edge or two edges touching each other at an apex and an outward curve connecting the ends of the single edge or the two edges, the elemental wires 1 having, in the cross-section of deformed part, deformation ratios from a circle of 70% or lower at an outer peripheral part facing an outer periphery of the deformed part than at a center part located inside the outer peripheral part. Further, a covered electric wire has such an electric wire conductor 10A and an insulator to cover an outer periphery of the electric wire conductor 10A. Furthermore, a wire harness includes such a covered electric wire. In addition, such an electric wire conductor 10A is manufactured by performing a compression step pressurizing a raw wire strand comprising elemental wires twisted together with rollers from a first direction and a second direction which intersect an axial direction of the raw wire strand and oppose each other.