A hydrogen leak detection system may be provided via: an optical fiber unit disposed along a length direction of a hydrogen transport pipeline that includes an optical fiber for detecting hydrogen leaking from a transport inner pipe of the hydrogen transport pipeline, and a protection layer surrounding the optical fiber; a hydrogen detection unit including an optical signal generator providing an optical signal to the optical fiber, and a detection unit for detecting optical characteristics of the optical fiber; and a control unit that determines that hydrogen is leaking from the hydrogen transport pipeline when the optical characteristics of the optical fiber are determined to exceed a normal optical characteristics range.
G01M 3/16 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
F17D 5/00 - Protection or supervision of installations
F17D 5/06 - Preventing, monitoring, or locating loss using electric or acoustic means
The present disclosure relates to a cable having reduced loss. Specifically, the present invention relates to a cable having reduced loss that is capable of minimizing the limitation of rated current due to heating of an outer armor and the resultant transmission loss while reducing manufacturing costs and minimizing an outer diameter and weight of the cable.
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
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
H01B 7/22 - Metal wires or tapes, e.g. made of steel
H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
A composite material self-wrap shielding tube includes: a plurality of carbon fiber bundles disposed extending in a longitudinal direction; a plurality of wire bundles alternately disposed with the carbon fiber bundles and composed of metal wires; and a plurality of weft yarns disposed extending in a direction perpendicular to the carbon fiber bundles and the wire bundles. The composite material self-wrap shielding tube is formed by winding, into a cylindrical shape, a braided member made by braiding the carbon fiber bundles, the wire bundles, and the weft yarns.
The present invention relates to a de-cross-linked recycled resin and a preparation method therefor. Specifically, the present invention relates to a de-cross-linked recycled resin and a preparation method therefor, the resin having both excellent surface smoothness and sufficient tensile strength and elongation, and having a simple preparation process such that manufacturing costs can be reduced.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08J 3/00 - Processes of treating or compounding macromolecular substances
5.
CLAMP HAVING MONITORING FUNCTION OF CENTRAL TENSION LINE FOR OVERHEAD TRANSMISSION LINE AND OVERHEAD TRANSMISSION LINE SYSTEM INCLUDING SAME
The present invention relates to a clamp having a monitoring function for a central tension line for an overhead transmission line and an overhead transmission line system including same. Specifically, the present invention relates to a clamp having a monitoring function for a central tension line for an overhead transmission line and an overhead transmission line system including same, the clamp being capable of easily and accurately detecting whether the central tension line is damaged not only immediately before installing the overhead transmission line on a steel tower but also after installing the overhead transmission line on the steel tower, and improving the workability of installing the overhead transmission line and the stability of a worker.
H02G 7/05 - Suspension arrangements or devices for electric cables or lines
H02G 1/02 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for overhead lines or cables
G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
G01M 11/00 - Testing of optical apparatusTesting structures by optical methods not otherwise provided for
6.
PARTIAL DISCHARGE MONITORING SYSTEM AND PARTIAL DISCHARGE MONITORING METHOD
The present disclosure relates to a partial discharge monitoring system and a partial discharge monitoring method that are capable of monitoring and determining a defect generated in a high-voltage power device in real time by classifying signals generated from the high-voltage power device with a machine learning algorithm being applied, and capable of easily forming feature dot data clusters in both a high-density area and a low-density area of two-dimensional feature dot data by performing a process of clustering feature dot points generated from the signals of the power device on the basis of density and distance in parallel, respectively, thereby generating PRPD data for each cluster without missing a signal to improve partial discharge determination accuracy.
The present disclosure relates to a partial discharge monitoring system and a partial discharge monitoring method that are capable of monitoring and determining a defect generated in a high-voltage power device in real time by pattern recognizing signals generated from the high-voltage power device with a machine learning algorithm being applied.
G01R 31/12 - Testing dielectric strength or breakdown voltage
G06F 18/23213 - Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions with fixed number of clusters, e.g. K-means clustering
The present disclosure relates to an Ethernet cable for a vehicle, which enables large-capacity data communication and high-speed transmission, required in a network system for a vehicle, on the basis of low voltage differential signaling (LVDS), minimizes the overall outer diameter and weight, and has excellent durability against vibration and excellent electrical characteristics.
H01B 11/08 - Screens specially adapted for reducing cross-talk
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
The present disclosure relates to an optical unit including a tubular member, which accommodates a plurality of optical fibers and whose shape is variable to achieve an optimal space factor, to minimizes optical loss or the deterioration of optical properties when the optical cable is bent or compressed or external impact is applied, secure waterproof performance, and minimize an outer diameter, and an optical cable including the same.
Provided is an optical cable comprising optical units which are laid in a duct by the pneumatic pressure, wherein the optical units each comprise: a bedding layer which at least partially surrounds the circumferences of a plurality of optical fibers and includes a polymer resin; and a coating layer surrounding the bedding layer and forming the sheath of the optical unit, wherein a maximum separation distance between a pair of adjacent optical fibers, from among the plurality of optical fibers arranged in the bedding layer, is less than the outer diameter of the optical fiber and less than a minimum separation distance between the inner circumference of the coating layer and the optical fiber. During the process of branching the optical units, a frictional force between the inner circumference of a jacket and the optical units is minimized, the inside of the optical unit can be stably protected, and at the same time, the optical fibers can be easily separated.
The present invention relates to an electric vehicle charging system, and includes a bus duct system for charging an electric vehicle. The bus duct system includes: a bus duct line; and a branching device. The bus duct line includes a bus duct connection unit that electrically connects a plurality of bus ducts with each other to form a power supply network. The branching device branches power supplied through the bus ducts and supplies power to an electric vehicle charger. Each bus duct includes a plurality of bus bars and an enclosure accommodating the plurality of bus bars. The plurality of bus bars includes an R-phase bus bar, an S-phase bus bar, a T-phase bus bar, and at least one N-phase bus bar. The branching device comprises: as a plurality of electrical connection members electrically connected to the plurality of bus bars on a one-to-one basis, a first electrical connection member connected to any one of the R-phase bus bar, the S-phase bus bar, and the T-phase bus bar; and a second electrical connection member connected to the N-phase bus bar. The plurality of electrical connection members are electrically connected to only any one of the R-phase, S-phase, and T-phase bus bars and the N-phase bus bar.
The present invention relates to a communication cable. More specifically, the present invention relates to a communication cable having communication performance of the Category 6A standard while the overall outer diameter of a cable is minimized as a separator for mutual separation between a plurality of pairs configuring the communication cable is omitted. The present invention may provide the communication cable including: a cable core including a plurality of pairs formed as a pair of conductor wires composed of a conductor coated with an insulator are twisted, and an electromagnetic wave shielding layer surrounding the plurality of pairs; and a cable jacket surrounding the cable core, wherein, in a lateral cross section of the cable, at least a portion of a circumscribed circle of each pair formed by the pair of conductor wires configuring each pair overlaps or circumscribes a circumscribed circle of another adjacent pair, and adhesion strength between the cable jacket and the cable core is in a range of 1.0 kgf to 2.0 kgf.
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
The present disclosure relates to an optical fiber ribbon, which is a component included in a high-density optical fiber cable including high-density optical fibers (which are installed in a limited space such as a conduit line) per unit area to build a large-capacity communication network, in which bonding of optical fibers is maintained to allow the optical fibers to be rolled in a width direction, and which is configured to achieve an optimal separation force on each bonding region in a longitudinal direction of the optical fibers and a direction perpendicular to the optical fibers, thereby improving workability in splitting or connecting the optical fiber ribbon and preventing inadvertent separation of the optical fibers of the optical fiber ribbon during the manufacture of the optical fiber cable.
The present invention relates to an optical cable. More specifically, the present invention relates to an optical cable installed inside a duct by pneumatic pressure and including a bedding layer capable of stably protecting an internal optical fiber and easily separating the optical fiber.
The present invention relates to a cable bobbin assembly, a cable installation apparatus, and a method for manufacturing a cable bobbin assembly, by which the use of heavy equipment can be minimized in the work of vertically installing a cable, and the work space, the work time, and safety accidents can be minimized in installing a mine cable.
09 - Scientific and electric apparatus and instruments
Goods & Services
Optical fibers; optical fiber ribbons; optical fiber
bundles; optical fiber cables; cable detectors; connections
for electric cable; optical fiber modems; optical fiber
telecommunications apparatus; optical fiber sensors; optical
fiber temperature probes, other than for medical use;
optical fiber panels; junction sleeves for optical fiber;
optical fiber connectors; optical fiber scopes, other than
for medical use.
An Ethernet cable includes: a pair of corers including an insulator covering a conductor, and twisted with each other; a shielding layer covering the pair of cores: a bedding layer filling an empty space between the shielding layer and the pair of cores; and an outer skin layer formed on an exterior of the shielding layer.
The present disclosure relates to a category 6 (C6) unshielded twisted pair (UTP) cable satisfying plenum-rated high flame retardancy. Specifically, the present disclosure relates to a highly flame-retardant UTP cable that satisfies the plenum-rated highly flame-retardant characteristics of NFPA 262 standard, while implementing the electrical characteristics required in C6 UTP cables, and for which manufacturing costs can be greatly reduced.
H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
H01B 3/44 - 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 vinyl resinsInsulators 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 acrylic resins
19.
ELECTRIC VEHICLE CHARGING SYSTEM FOR MECHANICAL PARKING FACILITY
The present invention relates to an electric vehicle charging system for a mechanical parking facility. Specifically, the present invention relates to an electric vehicle charging system for a mechanical parking facility, which can be easily constructed in a moving mechanical parking facility in which a cage in which an electric vehicle is parked and stored moves or rotates in a vertical or horizontal direction when a vehicle enters or exits, and can effectively avoid twisting or disconnection of a charging cable or the like.
B60L 53/67 - Controlling two or more charging stations
E04H 6/12 - Garages for many vehicles with mechanical means for shifting or lifting vehicles
E04H 6/42 - Devices or arrangements peculiar to garages, not covered elsewhere, e.g. securing devices, safety devices
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
09 - Scientific and electric apparatus and instruments
Goods & Services
Optical fibers; optical fiber ribbons; optical fiber bundles; optical fiber cables; cable detectors; connections for electric cable; optical fiber modems; optical fiber telecommunications apparatus; optical fiber sensors; optical fiber temperature probes, other than for medical use; optical fiber panels; junction sleeves for optical fiber; optical fiber connectors; optical fiber scopes, other than for medical use.
21.
ROLLABLE OPTICAL FIBER RIBBON AND MANUFACTURING METHOD THEREFOR
The present invention relates to a rollable optical fiber ribbon and a manufacturing method therefor, wherein: the arrangement of multiple joining parts for joining adjacent optical fibers constituting a rollable optical fiber ribbon is optimized to provide sufficient joining strength between the adjacent optical fibers, so as to prevent separation of optical fibers during widthwise rolling of the optical fiber ribbon; in the process of spraying resin for forming joining parts, the joining parts neighboring in the width direction of the optical fiber ribbon are prevented from being unintentionally connected to each other by the joining resin to deteriorate the flexibility thereof, so that widthwise rolling of the optical fiber ribbon is facilitated; and damage to the optical fibers can be prevented in the process of separating a specific optical fiber in order to achieve optical connection.
The present disclosure relates to a flexibility-improved central tensile member for an overhead transmission cable, and an overhead transmission cable including the same. In particular, the present disclosure relates to a flexibility-improved central tensile member for an overhead transmission cable, and an overhead transmission cable including the same, wherein the central tensile member has excellent tensile strength and thus has excellent sag properties preventing the wired overhead transmission cable from sagging, and has sufficient flexibility and thus improves wiring workability. Moreover, the central tensile member can suppress corrosion and damage to a conductor wire arranged around the central tensile member and thus can eliminate or minimize an increase in resistance of the overhead transmission cable, as well as a resultant reduction in transmission capacity, and makes it possible to reduce weight and manufacturing costs of the overhead transmission cable.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
H01B 3/47 - 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 fibre-reinforced plastics, e.g. glass-reinforced plastics
The present disclosure relates to an optical cable in which an optical fiber bundle with clustered or bundled optical fibers is accommodated in a tubular member and the optical fibers are formed in an excess group length (EGL) by modeling considering bending properties of the optical cable or a lossless bending radius of the optical fibers of the optical fiber bundle, thereby minimizing stress, damage or optical loss of the optical fibers in the optical fiber bundle.
Disclosed is a highly shielded Ethernet cable for a vehicle. The highly shielded Ethernet cable for a vehicle according to an embodiment of the present invention comprises: a core unit formed by twisting a pair of cores with a predetermined pitch, the cores including insulators surrounding conductors; a tape layer formed by surrounding the outer circumference of the core unit with a tape in the direction opposite to a direction in which the pair of cores are twisted; a bedding layer formed to surround the tape layer; a shielding layer formed to surround the bedding layer; and a sheath layer formed to surround the shielding 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
H01B 13/22 - SheathingArmouringScreeningApplying other protective layers
25.
POWER CABLE SYSTEM HAVING DIFFERENT CONDUCTOR CONNECTING PART
The present disclosure relates to a power cable system capable of determining the possibility of brittle fracturing of a different conductor connecting part of power cables due to tensile force applied to the different conductor connecting part, the power cable system comprising: a first conductor constituting a first power cable; a second conductor constituting a second power cable; and the different conductor connecting part formed by bonding the first conductor and the second conductor by means of resistance welding, wherein the average thickness of an intermetallic compound layer formed on the bonding surface of the different conductor connecting part is 10 μm or less, which is the critical average thickness at which a brittle fracture occurs during a tensile test.
H01R 4/62 - Connections between conductors of different materialsConnections between or with aluminium or steel-core aluminium conductors
H01R 4/60 - Connections between or with tubular conductors
H01R 43/02 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
26.
ALUMINUM ALLOY HAVING GOOD RESISTANCE TO HYDROGEN EMBRITTLEMENT AND HYDROGEN-TRANSPORT PIPE COMPRISING SAME
The present invention relates to an aluminum alloy that is highly resistant to hydrogen embrittlement. Specifically, the present invention relates to an aluminum alloy and a hydrogen-transport pipe comprising same, the aluminum alloy being light-weight and highly resistant to hydrogen embrittlement, and having good mechanical properties and properties such as good corrosion resistance, despite being an economical non-heat treated alloy.
The present disclosure relates to an optical fiber ribbon that provides a high-capacity communication network, is capable of being rolled in a width direction so as to efficiently use a space in a conduit, minimizes separation between ribbons constituting the optical fiber ribbon or damage to optical fibers during a rolling process, and facilitates overall connection or branching at a connection end.
The present invention relates to an oxygen-free copper or oxygen-free copper alloy rod with excellent flexibility Specifically, the present invention relates to an oxygen-free copper or oxygen-free copper alloy rod capable of maintaining flexibility, processability, and the like, which were retained before drawing, as much as possible by recovering the crystal structure of the rod after drawing and heat treatment.
B21B 1/18 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling wire or material of like small cross-section in a continuous process
The present invention relates to a power distribution cable asset management system. Specifically, the present invention relates to a power distribution cable asset management system which makes it possible to make efficient and accurate judgments about line diagnosis and replacement in a power distribution cable system.
G01R 31/58 - Testing of lines, cables or conductors
G01R 31/08 - Locating faults in cables, transmission lines, or networks
G06Q 10/08 - Logistics, e.g. warehousing, loading or distributionInventory or stock management
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
G06F 17/18 - Complex mathematical operations for evaluating statistical data
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
30.
AERIAL TERMINATION CONNECTION BOX (EB-A) AND POWER CABLE TERMINATION CONNECTION SYSTEM INCLUDING SAME
The present invention relates to an aerial termination connection box (EB-A) and a power cable termination connection system including same, which can improve the reliability of a product by preventing, from sagging, a sleeve member constituting the aerial termination connection box (EB-A) which is installed vertically and employs a dry method.
The present invention relates to a rollable optical fiber ribbon and an optical cable comprising same. More specifically, the present invention relates to a rollable optical fiber ribbon and an optical cable comprising same, which have a coloring layer on the outermost layer of each optical fiber such that an optical fiber ribbon is readily distinguished from an individual optical fiber through various colors, maintain sufficient bonding strength between the optical fiber and a joint part so as to enable width-wise rolling, and can prevent damage, due to the joint part, to the optical fiber coloring layer during optical fiber separation.
The present invention relates to a fiber-reinforced plastic reinforcing member having excellent bending properties. Specifically, the present invention relates to a fiber-reinforced plastic reinforcing member and a method for manufacturing same, wherein the reinforcing member can be inserted as a replacement for a reinforcing steel bar in concrete-constructed buildings or civil engineering structures or applied as a center tension line for overhead transmission lines due to its excellent tensile strength and lightweight properties, shows superb handleability and workability particularly due to its excellent bending properties, and exhibits outstanding adhesion to concrete and excellent corrosion resistance and insulating properties.
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core
B29C 70/10 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
E04C 5/07 - Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
33.
INSULATING GAS USED FOR ELECTRICAL INSULATION AND ELECTRICAL DEVICE USING SAME
62622) gas, which is a main cause of global warming, and thus is used as an eco-friendly insulating gas. Accordingly, the insulating gas according to the present invention has very high applicability to electrical devices that insulate electricity by using an insulating gas, especially electrical devices that do not generate arcs.
H01B 3/16 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of inorganic substances gases
The present invention relates to a bus duct for direct current branching which can minimize arcs and resulting safety accidents that may occur during the installation and removal of a branch box in a bus duct for direct current power branching, and a bus duct system comprising same. A bus duct for direct current power branching according to one embodiment of the present invention is characterized by comprising: a pair of busbars including conductors; an enclosure accommodating the pair of busbars; conductor units which are respectively bonded to the conductors of the pair of busbars, and in which a portion of the enclosure is exposed through an open opening so that a contactor provided in the branch box can be detachably connected; and a pair of tap conductors having insulation units made of insulation material at the ends of the conductor units.
The present invention relates to a bus duct installed in a data center or the like to supply power to a data server or the like, and a bus duct system provided with the same, in which branch boxes for branching may be conveniently installed at necessary locations to supply power to power-consuming equipment, and the reliability of connection of the bus duct to the branch boxes for branching may be improved.
A marine Ethernet cable and a method of manufacturing same are disclosed. The marine Ethernet cable according to an embodiment of the present invention may comprise: a core including an assembly formed by assembling a plurality of conductor pairs, a first watertight part disposed in contact with at least a part of the outside of the assembly, and pores formed between the assembly and the first watertight part; a protective part surrounding the outside of the first watertight part and including a metal shielding layer; and a sheath surrounding the protective part, wherein the proportion of the volume occupied by the pores against the total volume of the core, the porosity, is less than 20%, and the first watertight part is made of silicone rubber having a dielectric constant of 2.0 or less. Accordingly, the present invention may provide a marine Ethernet cable that satisfies watertight and electrical characteristics.
H01B 7/282 - Preventing penetration of fluid into conductor or cable
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 7/22 - Metal wires or tapes, e.g. made of steel
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 11/22 - Cables including at least one electrical conductor together with optical fibres
The present invention relates to a busway for power supply and a busway system including same, in which without the external enclosure of a prior art busduct for power supply, the busway is composed of a plurality of busbars and fixing units for fastening the busbars, thus enabling the minimization of the volume, weight, and cost of a power system.
H01B 3/40 - 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 epoxy resins
H01B 13/34 - Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
38.
POWDER-TYPE ADDITIVE COMPRISING CROSS-LINKED RESIN, AND RESIN COMPOSITION COMPRISING SAME
Provided is a powder type additive including a cross-linked resin and a resin composition including the same. Specifically, the present disclosure relates to a powder type additive including a cross-linked resin, which improves mechanical properties, such tensile strength, elongation, and hardness, of a resin composition to be added and effectively suppresses sagging when the resin composition is extruded, is highly compatible with a base resin of the resin composition and thus does not deteriorate physical properties of the base resin, contributes to cost saving by recycling the cross-linked resin, and is eco-friendly, and a resin composition including the same.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
39.
SEMICONDUCTIVE COMPOSITION AND POWER CABLE HAVING SEMICONDUCTIVE LAYER FORMED THEREFROM
A semiconductive composition and a power cable having a semiconductive layer formed therefrom may be provided. More particularly, a semiconductive composition may be provided that is environmentally friendly, excellent in mechanical properties, heat resistance, etc., and excellent in extrudability having a trade-off relationship therewith and a power cable having a semiconductive layer formed therefrom.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
40.
CENTRAL TENSION LINE FOR OVERHEAD POWER TRANSMISSION CABLE HAVING DAMAGE DETECTION FUNCTION AND OVERHEAD POWER TRANSMISSION CABLE COMPRISING SAME
The present disclosure relates to a central tension line for an overhead power transmission cable having a damage detection function and an overhead power transmission cable comprising same, wherein it is possible to detect whether the central tension line is damaged before installing the overhead transmission cable on a pylon or before clamping for the installation of the overhead transmission cable, and after installing the overhead transmission cable on the pylon; and the central tension line has excellent tensile strength, thus having excellent sag properties preventing the wired overhead transmission cable from sagging, and has flexibility, thus improving wiring workability, while the central tension line suppresses corrosion and damage to a conductor wire disposed around the central tension line, and thus eliminates or minimizes an increase in resistance of the overhead transmission cable and the resultant reduction in transmission capacity, and enables the reduction of weight and manufacturing costs.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
H01B 5/10 - Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
41.
LIGHTWEIGHT AND THIN SPACE CHARGE MEASUREMENT DEVICE
This space charge measurement device comprises: a sound coupling unit for sensing a sonic vibration generated from a cable to which an electric pulse is applied; a sensor unit for converting, into an electrical signal, the sonic vibration received from the sound coupling unit; a sound delay unit arranged to be adjacent to the sensor unit, and made of a sound absorption material; and an amplification unit for amplifying the electrical signal converted by the sensor unit.
The present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor. Specifically, the present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor, the amorphous copper material exhibiting an excellent dissolution performance when dissolved in an electrolyte for the manufacture of an electrolytic copper foil and ensuring working stability during the manufacture of the electrolytic copper foil, and having a simple manufacturing process such that costs can be reduced.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to a pseudomorphic copper material for an electrolytic copper foil and a method for manufacturing same. Specifically, the present invention relates to a pseudomorphic copper material for an electrolytic copper foil and a method for manufacturing same, wherein the pseudomorphic copper material not only exhibits excellent dissolution performance when dissolved in an electrolytic solution for manufacturing the electrolytic copper foil, but also ensures operational stability when manufacturing the electrolytic copper foil and simplifies the manufacturing process, thus enabling cost reduction.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor. Specifically, the present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor, the material having excellent dissolution performance when dissolved in an electrolyte for the manufacture of an electrolytic copper foil, and also having ensured work stability during the manufacture of the electrolytic copper foil and a simple manufacturing process, thereby enabling costs to be reduced.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor. Specifically, the present invention relates to an amorphous copper material for an electrolytic copper foil, and a manufacturing method therefor, the material having excellent dissolution performance when dissolved in an electrolyte for the manufacture of an electrolytic copper foil, and also having ensured work stability during the manufacture of the electrolytic copper foil and having a simple manufacturing process, thereby enabling costs to be reduced.
B22F 1/16 - Metallic particles coated with a non-metal
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to an indeterminate copper material for electrolytic copper foil and a preparation method therefor. Specifically, the present invention relates to an indeterminate copper material for electrolytic copper foil and a preparation method therefor, wherein the indeterminate copper material exhibits excellent dissolution performance when dissolved in an electrolyte to manufacture electrolytic copper foil, contributes to securing work stability during the manufacture of electrolytic copper foil, and enables cost reduction through a simple manufacturing process.
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to an indeterminate copper material for electrolytic copper foil and a preparation method therefor. Specifically, the present invention relates to an indeterminate copper material for electrolytic copper foil and a preparation method therefor, wherein the indeterminate copper material exhibits excellent dissolution performance when dissolved in an electrolyte to manufacture electrolytic copper foil, contributes to securing work stability during the manufacture of electrolytic copper foil, and enables cost reduction through a simple manufacturing process.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to an amorphous copper material for an electrolytic copper foil and a manufacturing method therefor. Particularly, the present invention relates to an amorphous copper material for an electrolytic copper foil and a manufacturing method therefor, wherein the amorphous copper material shows not only an excellent dissolution performance when dissolved in an electrolyte to prepare an electrolytic copper foil, but also ensures working stability upon manufacture of an electrolytic copper foil and can reduce costs due to a simple manufacturing process.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
The present invention relates to a pseudomorphic copper material for an electrolytic copper foil and a method for manufacturing same. Specifically, the present invention relates to a pseudomorphic copper material for an electrolytic copper foil and a method for manufacturing same, wherein the pseudomorphic copper material not only exhibits excellent dissolution performance when dissolved in an electrolytic solution for manufacturing the electrolytic copper foil, but also ensures operational stability when manufacturing the electrolytic copper foil and simplifies the manufacturing process, thus enabling cost reduction.
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22D 21/02 - Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
C25D 1/20 - Separation of the formed objects from the electrodes
The present invention relates to an offshore wind power submarine cable with enhanced water-blocking characteristics. Specifically, the present invention relates to an offshore wind power submarine cable, which effectively suppresses the formation of water trees in an insulation layer by suppressing the penetration of moisture into a power unit of the cable, thereby improving insulation strength and preventing damage to a metal shielding layer provided in the power unit, and consequently securing a long-term service life.
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 7/282 - Preventing penetration of fluid into conductor or cable
H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 7/22 - Metal wires or tapes, e.g. made of steel
An optical cable is provided in which an optical fiber bundle with clustered or bundled optical fibers is accommodated in a tubular member and the optical fibers are formed in an excess group length (EGL) by modeling considering bending properties of the optical cable or a lossless bending radius of the optical fibers of the optical fiber bundle, thereby minimizing stress, damage or optical loss of the optical fibers in the optical fiber bundle.
The present invention relates to an optical fiber ribbon formed from a plurality of optical fibers joined in parallel, wherein each adjacent pair of optical fibers from among the plurality of optical fibers is joined through a plurality of joining areas spaced apart from each other in the longitudinal direction of the optical fibers, and the average horizontal separation strength for separating one pair of optical fibers from each other in the direction parallel to the longitudinal direction of the optical fibers at each of the joining areas is 300 gf or more.
The present invention relates to an optical fiber ribbon, which is a component included in a high-density optical fiber cable including high-density optical fibers (which are installed in a limited space such as a conduit line) per unit area to build a large-capacity communication network, in which bonding of optical fibers is maintained to allow the optical fibers to be rolled in a width direction, and which is configured to achieve an optimal separation force on each bonding region in a longitudinal direction of the optical fibers and a direction perpendicular to the optical fibers, thereby improving workability in splitting or connecting the optical fiber ribbon and preventing inadvertent separation of the optical fibers of the optical fiber ribbon during the manufacture of the optical fiber cable.
The present disclosure relates a multi-core optical cable with a plurality of optical units, in which damage to a core is prevented during the stripping of a jacket for connection or splitting of the optical cable, and the workability of stripping the jacket is improved.
The present disclosure relates to a composite cable for a vehicle and a composite cable assembly, which are capable of simultaneously providing a communication function and power to an electronic parking brake (EPB) and an anti-lock brake system (ABS) for use in a vehicle, and maximizing electromagnetic compatibility (EMC) shielding performance between internal components or external cables.
The present invention relates to a submarine cable in which each of a dynamic submarine cable section and a static submarine cable section is included in one submarine cable so that land and ocean equipment can be connected through a single submarine cable.
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
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
The present invention relates to a submarine cable having a shielding layer that considers dynamic characteristics. Particularly, the present invention relates to a submarine cable having a shielding layer that considers dynamic characteristics of continuous deformation due to external force in a conducting state, such that excellent durability in a dynamic environment such as that of the seabed is implemented and, simultaneously, path and shielding functions for the fault current can be sufficiently performed.
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
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
58.
POWER CABLE SYSTEM HAVING DIFFERENT CONDUCTOR CONNECTING PART , AND POWER CABLE CONNECTION METHOD HAVING DIFFERENT CONDUCTORS
The present disclosure relates to a power cable system with a different conductor connecting part that secures sufficient bending strength to prevent damage thereto and ensure durability even when both a tensile force and bending are applied to connect power cables with different types of conductors, and a method of connecting power cables with different types of conductors.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
The present invention relates to a hydrogen delivery pipe. Specifically, the present invention relates to a hydrogen delivery pipe which not only satisfies all properties required for a pipe for long-distance hydrogen delivery, such as hydrogen permeation-blocking properties, pressure resistance properties, and bendability properties, but can also reduce manufacturing costs.
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
60.
MARINE CABLE FOR OFFSHORE WIND POWER HAVING AN IMPROVED WATER-TREE PROPERTY
Disclosed is the present disclosure relates to a marine cable for offshore wind power having an improved water-tree property. More particularly, it relates to a marine cable for offshore wind power, which may effectively suppress formation of water trees caused by diffusion of moisture, having penetrated into cores of the cable, in insulating layers so as to improve dielectric strength and consequently secure a long lifespan.
H01B 7/28 - Protection against damage caused by external factors, e.g. sheaths or armouring by moisture, corrosion, chemical attack or weather
H01B 3/26 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances asphaltsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances bitumensInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances pitches
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 7/00 - Insulated conductors or cables characterised by their form
The present disclosure relates to an optical unit including a tubular member, which accommodates a plurality of optical fibers and whose shape is variable to achieve an optimal space factor, to minimizes optical loss or the deterioration of optical properties when the optical cable is bent or compressed or external impact is applied, secure waterproof performance, and minimize an outer diameter, and an optical cable including the same.
ann ann bnn bnn n is the ratio of the composite pitch ratio of an n layer and an n+1 layer, that is, n layer composite pitch ratio/n+1 layer composite pitch ratio, and n is an integer of 0 or greater).
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
63.
TERMINAL BOX FOR PHOTOELECTRIC COMPOSITE CABLE, AND PHOTOELECTRIC COMPOSITE TERMINAL BOX SYSTEM
The present invention relates to a terminal box for a photoelectric composite cable, and a photoelectric composite terminal box system, wherein in an RRH base station, the ease of connecting the terminal box and the photoelectric composite cable or a jumper cable is improved, a connector provided on the cable connected to the terminal box is not exposed to the outside such that watertightness and anti-corrosion performance are improved, and the space inside the terminal box is used efficiently and thus the terminal box can be made smaller and lighter.
The present invention relates to a film-type radiation heater. Specifically, the present invention relates a film-type radiation heater which comprises a printed electrode, and thus not only can reduce the manufacturing cost, but can also ensure a sufficient heating area, increase the allowed current range of the electrode, and reduce the hot-spot effect, thereby implementing high-efficiency heating.
H05B 3/12 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
H05B 3/06 - Heater elements structurally combined with coupling elements or with holders
H05B 3/16 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
65.
DIFFERENT TYPE POWER CABLE CORE CONNECTION DEVICE AND DIFFERENT TYPE POWER CABLE CONNECTION SYSTEM COMPRING SAME
The present disclosure relates to a different type power cable core connection device for minimizing the volume of a connection device for connection of different type power cables and minimizing cracking of an insulation molding part having a connection conductor embedded therein when current is conducted to conductors of cores of the different type power cables, and a different type power cable connection system including the same.
The present disclosure relates to a joint system of a power cable, in which pressure-resistance performance of a boundary area between a power cable and a joint box for connecting power cables is improved.
Provided is an indeterminate copper material for electrolytic copper foil and a preparation method thereof. Specifically, the present disclosure relates to an indeterminate copper material for electrolytic copper foil, which exhibits excellent dissolution performance when dissolved in an electrolyte to manufacture electrolytic copper foil, contributes to securing work stability during the manufacture of electrolytic copper foil, and is simple to prepare, thereby reducing manufacturing costs, and a preparation method thereof.
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
The present invention relates to an optical fiber ribbon which, as a component included in a high-density optical cable for building a large-capacity communication network, maintains the state in which optical fibers are bonded to each other so that the optical fiber ribbon can be rolled or folded in the width direction, and simultaneously allows the separation strength between individual optical fibers constituting the optical fiber ribbon to be adjusted, thereby improving workability when branching or connecting the optical fiber ribbon in a connection area, while preventing damage to the separated optical fibers.
A cable asset management system comprises: a manufacturer control part for managing data generated in a cable manufacturing process; a distributor control part for managing data generated by the manufacturer control part and data generated in a cable distributing process and a cable constructing process; a user control part for managing data generated by the manufacturer control part and the distributor control part and data generated in a constructed cable; a cable which has a pattern corresponding to a binary code printed on the surface of an outer sheath layer thereof and at which a sensor part for sensing the state of a cable is disposed; and a management server for storing data generated by the manufacturer control part, the distributor control part, and the user control part, and data sensed by the sensor, and generating data about the inventory and lifespan of a cable on the basis of the stored data.
The present invention relates to a coaxial cable for a nuclear power plant and, more specifically, to a coaxial cable for a nuclear power plant, comprising: an inner conductor arranged at the center of the cable; an insulating layer arranged in a form surrounding the outer periphery of the inner conductor and formed of a foam material forming a plurality of porous cells; and a sheath layer arranged in a shape surrounding the outer periphery of the insulating layer, wherein an activation energy of the insulating layer is in a range of 2.06 eV to 2.84 eV. Accordingly, it is possible to provide a coaxial cable for a nuclear power plant, which can maintain a certain degree of performance even after a predetermined lifespan.
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
The present invention relates to a direct current cable system which is capable of relaxing an electric field at a section where space charge excessively accumulates inside a sleeve member of a high voltage direct current cable system, thereby preventing or minimizing electric field distortion caused by localized electric field concentration, and a dielectric breakdown in a cable junction box.
H02G 15/184 - Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress
H01R 4/20 - 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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
H01B 3/28 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
The present invention relates to a direct-current power cable system. More specifically, the present invention relates to a direct-current power cable system capable of preventing or minimizing electric field distortion due to a local electric field concentration and insulation breakdown of a cable connection box by alleviating the electric field of a portion where space charges are excessively accumulated inside a sleeve member of an intermediate connection structure of an ultra-high voltage direct-current power cable.
Provided is an ultra-high-voltage direct-current (DC) power cable. Specifically, the present invention relates to an ultra-high-voltage DC power cable capable of simultaneously preventing or minimizing electric field distortion, a decrease in DC dielectric strength, and a decrease in impulse breakdown strength due to accumulation of space charge in an insulator.
H01B 3/44 - 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 vinyl resinsInsulators 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 acrylic resins
H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
The present invention relates to a terminal for an AV device harness and a method for manufacturing same and, more particularly, to a terminal for an AV device harness having improved properties related to the performance of an AV device and a method for manufacturing same. According to the present invention, a terminal made of copper or a copper alloy as a raw material is processed, and then the terminal is manufactured through a plating and annealing process, thereby providing a method for manufacturing a terminal for an AV device harness that exhibits excellent performance in terms of all of crystal grain size, conductivity, corrosion resistance, and abrasion resistance. In addition, the terminal for an AV device harness manufactured by the method for manufacturing a terminal for an AV device harness according to the present invention improves signal transmission capability by increasing the linearity of a signal due to the generation of coarse crystal grains in the internal organization of the terminal (in particular, an annealed material layer), is combined with the properties of various second conductive materials to improve sound quality, and is also applicable to cables used in acoustic devices and the like.
H01R 13/03 - Contact members characterised by the material, e.g. plating or coating materials
H01R 43/16 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
75.
METHOD AND APPARATUS FOR PRODUCING OXYGEN-FREE COPPER OR OXYGEN-FREE COPPER ALLOY
The present invention relates to a method and apparatus for producing oxygen-free copper or an oxygen-free copper alloy. Particularly, the present invention relates to a method and apparatus for producing oxygen-free copper or an oxygen-free copper alloy, which can suppress the formation of holes, cracks, and the like in an ingot through a sufficient and uniform deoxidation reaction and at the same time, can produce good-quality oxygen-free copper or oxygen-free copper alloy having good surface quality during rolling, can produce oxygen-free copper or an oxygen-free copper alloy at low cost through a reduction in fuel costs, and can reduce damage to interior materials of a shaft furnace and the risk of fire.
B22D 11/108 - Feeding additives, powders, or the like
B21B 1/46 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B22D 1/00 - Treatment of fused masses in the ladle or the supply runners before casting
B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
B22D 11/117 - Refining the metal by treating with gases
76.
BUS DUCT BRANCHING BOX AND BUS DUCT SYSTEM HAVING SAME
The present invention relates to: a bus duct branching box for power branching, by which the workability of a mounting operation for mounting the branching box to a bus duct installed in a data center, etc. to supply power to a power demand equipment such as a data server, or a separation operation for separating the branching box can be improved, and a mounting state of the branching box can be stably maintained; and a bus duct system having the branching box.
An Power over Ethernet (POE) which satisfies a Power-over-Ethernet plus (PoE+) power transmission characteristics and a data transmission rate of 1 Gigabits per second (Gbps) without an amplification device, such as an additional hub, at a distance of up to 200 meters, and to which an existing commercial connector is applicable.
The present invention relates to a conductor for an acoustic cable and an acoustic cable including same and, more specifically, to: a conductor for an acoustic cable, by which the effect of transmitting an acoustic signal is maximized and sound quality may be improved, by minimizing occurrence of a skin effect between resistance and frequency by modifying the structure of the conductor; and an acoustic cable including the conductor. In the acoustic cable according to the present invention, the conductor is formed of a central conductor layer with a thick wire diameter and a peripheral conductor layer formed of thin wires, to thereby ensure conductivity in a low-frequency range, and simultaneously with conductivity in a low-frequency range ensured by the central conductor layer formed with a thick wire diameter, the arrangement of an aggregate conductor formed of thin wires on the outer layer enables an increase in flexibility and also suppression of the skin effect. Thus, the present invention has an effect of providing a conductor for an acoustic cable and an acoustic cable including same, which can maximize a signal transmission effect and also improve sound quality.
H01B 7/00 - Insulated conductors or cables characterised by their form
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
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 11/12 - Arrangements for exhibiting specific transmission characteristics
79.
TERMINAL CONNECTION BOX STRUCTURE FOR SUPERCONDUCTING CABLE, CAPABLE OF PRIOR LEAKAGE INSPECTION
The present invention relates to a terminal connection box structure for a superconducting cable and a leakage inspection method using the same. Specifically, the present invention relates to a terminal connection box structure for superconducting cables and a leakage inspection method using the same, wherein, before the installation of a superconducting cable and a terminal connection box thereof, it is possible to perform pre-leakage inspection of a sealing portion by welding, and thus it is not necessary to disassemble the terminal connection box at the time of detecting leakage, and it is possible to precisely inspect whether the leakage occurs and the location of the leak.
The present invention relates to a cable having reduced loss. Specifically, the present invention relates to a cable having reduced loss, with which it is possible to minimize both a rated current restriction resulting from heat transmission from the exterior armour, and the resulting transmission loss, whilst having reduced manufacturing costs and minimizing the external diameter and weight.
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
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
The present invention relates to bunched conductors having superb flexibility. Specifically, present invention relates to bunched conductors that can maintain superb flexibility and can effectively prevent reduction in flexibility resulting from over-packing of conductors by optimizing the quantity of conductors added.
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
The present invention relates to an intermediate connection structure of a superconducting cable having a temperature sensor. Specifically, the present invention relates to an intermediate connection structure of a superconducting cable having a temperature sensor, which can precisely measure the temperature of a coolant as a cooling fluid applied in order to maintain a cryogenic environment in the intermediate connection structure for intermediate connection of the superconducting cable.
Provided is a high-voltage power cable. Specifically, the present disclosure relates to a high-voltage power cable that exhibits excellent dielectric strength, such as dielectric breakdown voltage and impulse breakdown strength, and that is capable of implementing and maintaining dielectric characteristics even when a temperature of a cable insulator rises due to the transmission of power or when negative impulse or polarity reversal occurs.
H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
G01N 25/48 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
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
The present invention relates to an Ethernet cable for a vehicle. More specifically, the present invention relates to an Ethernet cable for a vehicle, which enables large-capacity data communication and high-speed transmission, required in a vehicle network system, on the basis of a low voltage differential signal (LVDS), minimizes the overall outer diameter and weight, and has excellent durability against vibration and excellent electrical characteristics.
H01B 7/00 - Insulated conductors or cables characterised by their form
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
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
85.
ORGANIC FILLER AND RESIN COMPOSITION COMPRISING SAME
The present invention relates to an organic filler and a resin composition comprising same. Specifically, the present invention relates to an organic filler and a resin composition comprising same, the organic filler, being an engineering plastic organic filler, can improve extrudability, gloss, and the like of engineering plastic and can also significantly reduce manufacturing costs.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
The present invention relates to a decrosslinking apparatus for recycling polymer resin waste and a decrosslinking method using same. Specifically, the present invention relates to a decrosslinking apparatus and a decrosslinking method using same, wherein the decrosslinking apparatus can decrosslink waste including various types of to-be-recycled polymer resins having different degrees of crosslinking into recycled polymer resins having a uniformly low degree of crosslinking, and effectively remove odors generated by the decomposition of additives that occurs due to high temperature during the decrosslinking.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
B29B 7/74 - MixingKneading using other mixers or combinations of dissimilar mixers
B29C 48/385 - Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29C 48/69 - Filters or screens for the moulding material
87.
PARTIAL DISCHARGE MONITORING SYSTEM AND PARTIAL DISCHARGE MONITORING METHOD
The present invention relates to a partial discharge monitoring system and a partial discharge monitoring method which can: monitor and determine a defect occurring in a high-voltage power device in real time by classifying and pattern-recognizing a signal generated from the high-voltage power device by applying a machine learning algorithm; and easily form a feature point data cluster in both a high-density area and a low-density area of two-dimensional feature point data by performing a process of clustering feature points generated from signals of the power device on the basis of the density and the distance in parallel. Therefore, the present invention can generate PRPD data for each cluster without missing a signal and thus can improve the partial discharge determination accuracy.
G01R 31/12 - Testing dielectric strength or breakdown voltage
G01R 29/027 - Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 23/00 - Arrangements for measuring frequenciesArrangements for analysing frequency spectra
The present invention relates to a partial discharge monitoring system and a partial discharge monitoring method which can monitor and determine, in real time, a fault generated in high-voltage power equipment by performing pattern-recognition for a signal generated in the high-voltage power equipment through application of a machine learning algorithm.
G01R 31/12 - Testing dielectric strength or breakdown voltage
G01R 29/027 - Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 23/00 - Arrangements for measuring frequenciesArrangements for analysing frequency spectra
The present invention relates to a submarine optical cable comprising: at least one optical fiber bundle each composed of a plurality of optical fibers to improve maintenance workability even when cables are damaged in an underwater environment such as the seabed; a tube member accommodating the optical fiber bundle; a sheath layer surrounding the outside of the tube member; an armor layer composed of a plurality of armor members disposed outside the sheath layer and composed of at least one layer; and a subbing layer disposed outside the armor layer, wherein a conductive tube made of a metal material is further provided outside the tube member, the thickness of the conductive tube is 0.1mm to 0.6mm, and the resistance value per unit length of the conductive tube is 4 Ω/km to 7 Ω/km.
The present invention relates to a flexibility-improved central tensile member for an overhead transmission cable, and an overhead transmission cable including same. In particular, the present invention relates to a flexibility-improved central tensile member for an overhead transmission cable, and an overhead transmission cable including same, wherein the central tensile member has excellent tensile strength and thus has excellent sag properties preventing the wired overhead transmission cable from sagging, and has sufficient flexibility and thus improves wiring workability. Moreover, the central tensile member can suppress corrosion and damage to a conductor wire arranged around the central tensile member and thus can eliminate or minimize an increase in resistance of the overhead transmission cable, as well as a resultant reduction in transmission capacity, and makes it possible to reduce weight and manufacturing costs of the overhead transmission cable.
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
H01B 3/48 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
The submarine optical cable connection device for connecting two submarine optical cables, each comprising an optical unit including optical fibers, and an armor layer including a plurality of armoring wires encompassing the optical unit, comprises: a fixing part main body having a plurality of armor holes in which a plurality of armoring wire terminal regions of the two submarine optical cables can be accommodated, and a through hole for accommodating the optical unit; a pair of cable-coupling parts including a coupling element for fixing at least two of the plurality of armoring wires to the fixing part main body while the at least two armoring wires are accommodated in any one of the plurality of armor holes; and an optical fiber connection part which has an accommodation space for connecting the optical fibers of the two submarine optical cables while the terminals of the two submarine optical cables are fixed by the pair of cable-coupling parts, and which is coupled to the pair of cable-coupling parts while the accommodation space is tightly water-sealed.
The present invention relates to a speaker cable conductor and a speaker cable comprising same. The speaker cable conductor, according to the present invention, compared to a conventional speaker cable conductor comprising only an oxygen-free copper wire, may efficiently prevent sound quality degradation caused by discoloration of the conductor itself comprising the oxygen-free copper wire, and may maintain rich tones from a low sound range to a high sound range for a long time, and thus may be used for manufacturing a high-quality speaker cable. In addition, the speaker cable comprising the speaker cable conductor, according to the present invention, has the effect of enabling manufacturing costs to be more reduced compared to a conventional speaker cable comprising only a conductor plated with other metals.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
The present invention relates to a speaker cable. The speaker cable according to the present invention comprises a layer, which is formed from a resin in which a carbon-containing compound is included as a semiconducting layer between a conductor and an outer sheath layer (coating), and thus can efficiently remove poor sound quality and the like caused by signal distortion that can occur in a small-signal band or in a low-signal area. In addition, the speaker cable according to the present invention comprises the semiconducting layer therein, and thus a shielding function can be supplemented and the signal transmission amount of the conductor of a core part can be also supplemented.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
H01B 3/44 - 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 vinyl resinsInsulators 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 acrylic resins
The present invention relates to a high-voltage power cable. Specifically, the present invention relates to a high-voltage power cable which has excellent dielectric strength such as breakdown voltage and impulse breakdown strength, and, particularly, which may have the insulation properties thereof implemented and maintained when the temperature of a cable insulator rises as power transmission progresses, or even when a negative impulse or polarity reversal occurs.
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
The present invention relates to a category 6 (C6) unshielded twisted pair (UTP) cable satisfying plenum-rated high flame retardancy. Specifically, the present invention relates to a highly flame-retardant UTP cable, which satisfies NFPA 262 standard plenum-rated high flame retardancy as well as implements electric characteristics required in C6 UTP cables and for which the manufacturing costs can be greatly reduced.
H01B 7/29 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame
C08L 23/28 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
C08L 101/00 - Compositions of unspecified macromolecular compounds
The present invention relates to an optical unit and an optical cable having same, the optical unit comprising a tube member which is capable of securing waterproof performance while minimizing light loss or deterioration of optical properties of the optical cable when bending, compression, or external impact is applied to the optical cable, and is capable of accommodating a plurality of optical fibers to minimize an outer diameter, and which has a variable shape to optimize a space rate.
The present disclosure relates to a power cable and an intermediate connection structure, for connection thereof, which is capable of preventing the concentration of stress on a soldered part, which is configured to join a metal sheath of the power cable and a metal sheath restoration layer of the intermediate connection structure while ensuring airtight or watertight sealing therebetween, preventing deformation of or damage to the soldered part due to stress applied thereto, and minimizing thermal history in the power cable during the formation of the soldered part.
The present invention relates to an optical unit and an optical cable having same, the optical unit comprising a tube member which is capable of securing waterproof performance while minimizing light loss or deterioration of optical properties of the optical cable when bending, compression, or external impact is applied to the optical cable, and is capable of accommodating a plurality of optical fibers to minimize an outer diameter, and which has a variable shape to optimize a space rate.
The Ethernet cable comprises: a pair of cores including insulators for encompassing conductors; a shielding layer for encompassing the pair of cores; a bedding layer for filling the empty space between the shielding layer and the pair of cores; and an outer cover layer formed on the outside of the shielding layer.
The present invention relates to a power cable system capable of determining the possibility of brittle fracturing of a different conductor junction of power cables due to tensile force applied to the different conductor junction, the power cable system comprising: a first conductor constituting a first power cable; a second conductor constituting a second power cable; and the different conductor junction formed by bonding the first conductor and the second conductor by means of resistance welding, wherein the average thickness of an intermetallic compound layer formed on the bonding surface of the different conductor junction is 10 ㎛ or less, which is the critical average thickness at which a brittle fracture occurs during a tensile test.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
