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5132488 |
Electrical telecommunications cable
A telecommunication cable in which pairs of twisted together conductors are spaced apart to minimize capacitance unbalance and cross-talk. A central core member may be provided with the conductor...
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5105055 |
Tunnelled multiconductor system and method
A tunnel multiconnect system comprising a substrate of flexible dielectric material, a plurality of at least three first line conductors supported on the substrate to form a multiconductor pattern,...
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5089665 |
Metal-clad electricity line and method of manufacturing it
For each phase, a metal-clad line comprises a phase conductor surrounded by an aluminum sheath, with each aluminum sheath being surrounded by a sheath which is gas-tight relative to the outside....
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5055635 |
Arrangement for improving electromagnetic compatability of electrical device
An arrangement for improving the electromagnetic compatibility of an electrical device provided with an interference irradiation susceptible conduit, especially an electronic control device of an...
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4954095 |
Cable employing tubular conductors
The present invention consists of a cable especially suited to the transmission of audio-frequency signals, cable in which one or more of the conductors is tubular. The conductors are constructed...
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4688273 |
Sanitary system for supply of hot and cold water, and thermostatically controlled valve for such system
A sanitary system for thermostatically controlled supply of hot and cold water to a number of tapping locations includes a hot water storage container, piping to the tapping locations,...
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4654476 |
Flexible multiconductor electric cable
To improve the mechanical strength of a rubber hose cable, support elements are arranged between the conductors and the support elements are connected to a high tensile strength wrapping applied...
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4611656 |
Protective jacket assembly
A crush and abrasion resistant, sealed, impervious, flexible protective jacket assembly for oil and gas wells containing a plurality of electrical and/or fluid conductors that are oriented in...
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4458099 |
Three-phase combined type gas insulated electrical apparatus
A three-phase combined type gas insulated bus is disclosed which comprises at least one eddy current conductor for passing the eddy current caused secondarily by the current flowing in high voltage...
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4450317 |
High voltage, gas-filled electric cable with spacers between conductor and sheath
An electrical cable for very high voltage underground power transmission comprises two or more inner conductors (2) which are twisted together and are supported within the gas-filled void of a...
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4404423 |
Three-phase gas insulated bus
A three-phase gas insulated bus has three high voltage conductors inside a grounded cylindrical metal sheath filled with an insulating gas. The conductors are integrally supported by a single...
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4352949 |
Transmission line including support means with barriers
A gas insulated transmission line includes an elongated outer sheath, a plurality of inner conductors disposed within and extending along the outer sheath, and an insulating gas which electrically...
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4347401 |
Gas-filled cable with composite conduit of low carbon steel and aluminum and having particle traps
A gas-filled cable having low heat emission and low power loss and being used for the transmission of high-voltage electric current. The cable includes one or more conductors which are axially...
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4316052 |
Gas insulated transmission line having two-legged spacers disposed in a receiving structure
A gas-insulated transmission line is formed of a plurality of outer sheath sections joined together lengthwise, with a conductor disposed therein. A two leg insulating spacer supports the conductor...
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4297523 |
Gas pipe cable
A three phase gas pipe cable is disclosed which has at least one gas pipe cable section in which three phase conductors are arranged in a triangular configuration within an enclosing pipe. Each...
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4297522 |
Cable shield
A flat cable shielding device comprises a metal foil sleeve formed of an upper and a lower length of conductive metal foil. To aid the insertion of flat cable into the shielding device, a...
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4255616 |
Cable support assembly for electrical penetration assembly for reactor containment
A cable support assembly for the electrical cables between sealed electrical penetration assemblies within a reactor penetration nozzle has been detailed. The cable support assembly is anchored at...
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4218580 |
Paper pulp insulated cable and method of manufacture
A paper pulp insulated cable of the kind having a plurality of conductors covered with paper pulp insulation. The insulated conductors are twisted into pairs, the pairs are stranded into units and...
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4132854 |
Multiple conductor gas insulated transmission line
A gas-insulated transmission line including an elongated outer sheath and a plurality of elongated inner conductors disposed within the outer sheath. An insulating gas electrically insulates the...
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4118594 |
Long distance coaxial cable with optical fibres
A cable comprising a disc insulated coaxial structure in which said discs are designed with notches in which are located optical fibres extending parallel with the inner conductor of the coaxial...
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4110551 |
Extruded sheath section for compressed gas insulated transmission lines
A compressed gas-insulated transmission line (CGIT) system, apparatus and techniques are disclosed in which extruded grooves along the inner surface of an encasing sheath are provided for...
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4091230 |
Evaporation-cooled transmission line system
A system having one or more tubular conductors disposed within shield means containing a dielectric surrounding the conductors is used to transmit electrical power. Liquid coolant is directed along...
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4086425 |
Three-phase cable system with compensation of longitudinal voltages induced in accompanying return-flow pipes for cooling water
Three single-conductor cables are laid down such that viewed in cross-section they are located at the vertices of an equilateral triangle, or else they are laid down in a common plane. Each cable...
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4059723 |
Apparatus for changing the direction of a three-phase pipe-type gas-pressurized electrical cable
A direction-changing arrangement for a three-phase pipe-type gas-pressurized electrical cable constituted principally by rigid straight pipe lengths connected in series and wherein the axes of the...
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4058669 |
Transmission path between nearby telephone central offices
A multipair telephone cable especially designed to carry interoffice traffic consists of copper conductors insulated with expanded plastic with or without a solid plastic skin. The copper gauge...
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4053338 |
Method of fabricating compressed gas insulated cable
A method of fabricating a compressed gas insulated cable which includes the steps of securing an electrical conductor to an insulating spacer; securing the spacer to a sheath section which forms a...
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4012577 |
Multiple twisted pair multi-conductor laminated cable
This invention relates to a multi-conductor laminated cable which comprises a plurality of insulated wire conductor twisted pairs laminated between plastic film, the twisted pairs being aligned in...
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3999003 |
Telecommunication cable resistant to water penetration
A cable for telephone or other communication circuits comprises a number of conductor arrays, specifically pairs or quads of helically intertwined conductors, each conductor having a metal core...
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3993858 |
Direct current portable gun welder system
Portable direct current resistance welding apparatus incorporating a flexible cable assembly comprising a pair of flexible conductors maintained at a fixed distance from one another with...
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3975581 |
Transmission lines using tubular extendible structures
Transmission lines using tubular extendible elements in which two such elements are combined to form a coaxial type transmission line or a two-wire transmission line and in which a single element...
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3952243 |
Voltage transformer for a high voltage switching apparatus
A voltage transformer for an insulated high-voltage switching apparatus of the type including a metallic outer tubular casing in which an electrical conductor is disposed, and a tubular sleeve...
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3947622 |
Vacuum insulated A-C superconducting cables
A three-phase high-voltage superconducting cable having three hollow superconductors in a trefoil configuration and three heat shields disposed radially outward from the superconductors, all...
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3942106 |
Voltage transformer for use in high voltage switching installation
An improved voltage transformer for use in a gas insulated or liquid insulated high voltage switching installation enclosed within a metal encapsulation and carrying several conductors, in which...
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3928714 |
Simultaneous oil and electric transmission system and method for fabricating same
A pipeline and conductor assembly is provided for the simultaneous transmission of oil and electrical power or electrical communication signals; and a method is provided for the production of the...
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3924054 |
Current conducting system having adjustable heat dissipation capability
A current conducting system for efficiently conducting electric current in any one of a plurality of amplitude ranges by means of a cable disposed in a pipeline and constituted by a power conductor...
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3919456 |
Tube enclosed pressure gas insulated electrical cable
A tube enclosed pressure gas insulated electrical cable comprises a three-phase conductor structure arranged within a common tubular enclosure. The respective axes of the phase conductors are...
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3904809 |
Tubular electrical conductor made up of individual superconducting conductors
An electrical conductor which is particularly useful in the transmission of three-phase current, and which comprises an inner conductor made up of a plurality of individual superconducting...
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3903355 |
Cooling arrangement for electrical transmission system
An arrangement for cooling high voltage electric power transmission cables, comprising cooling fluid channels located in the core of the cables, cooling means located at the beginning and end of...
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3894172 |
Multicable telephone cable in a common sheath
This communication cable for telephone use has comparatively small numbers of pairs with the conductors of each pair twisted together with different lays and the pairs are assembled into shielded...
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3885380 |
Manufacturing filled cable
A filled telephone service cable which runs from a distribution cable to a subscribers' premises or to a pay station is another link in a buried communications system having a water-resisting...
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3869562 |
DUAL UNDERGROUND CABLE SYSTEM FOR TRANSMITTING ELECTRICAL POWER
A dual system for electric power transmission laid underground comprises two three-phase compressed gas insulated transmission lines operating electrically in parallel each which is designed in the...
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3818116 |
COMBINATION TRANSMISSION LINE AND FLUID CONDUIT
A combination electrical transmission line and fluid conduit system including an inner conduit containing electrical transmission line conductors surrounded by an insulating and heat absorption...
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3813477 |
ELECTRIC POWER CABLE APPARATUS FOR TRANSMITTING POWER FROM A FLOATING STRUCTURE
A self-contained, fluid impregnated, high voltage, electric power cable or cables extending between a fixed point underwater and a movable platform, such as the deck of a barge floating on such...
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3808351 |
IMPROVED CRYOGENIC CONNECTION
In a cryogenic connection wherein tubular conductors insulated by a vacuum and carrying a cryogenic fluid, provides a fluid connection between the vacuum surrounding the current conducting tubular...
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3800062 |
COOLING METHOD FOR TRANSMISSION CABLES
The invention relates to a method and associated apparatus for cooling power transmission cables, wherein a coolant for cooling the power transmission cables is introduced into a pipe which...
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3798346 |
POWER TRANSMISSION APPARATUS, ESPECIALLY CABLE AND CABLE BUS HOUSINGS
Cables of round cross section, e.g., circular or ovate, and a cable bus housing assembly therefor are disclosed wherein the housing assembly is based essentially on similar panels which may be...
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3795760 |
ELECTRICAL CABLES
A single wire cable conductor consists of an inner part (constituting the major proportion of the cross-sectional area of the conductor) of an aluminium alloy of the kind known as...
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3780205 |
THERMAL INSULATION DEVICE FOR A VERY LOW-TEMPERATURE LINE
Thermal insulation device for a very low-temperature line comprising a thermal screen around the line, a pulverulent insulating material and an outer casing surrounding the whole device. The...
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3775550 |
ELECTRIC HIGH-VOLTAGE POLYPHASE POWER TRANSMISSION SYSTEM
An electric multi-line high-voltage polyphase power transmission system has two tubular electrically conductive and electrically grounded enclosures, each containing the two or more conductors of...
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3767837 |
HIGH-VOLTAGE PRESSURIZED GAS-INSULATED POWER TRANSMISSION SYSTEMS
A multiphase high-voltage pressurized gas insulated electrical power transmission system for underground applications incorporating a central conductor for each phase, each central conductor being...
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