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7390972 |
Electrical cable for a linear motor and winding produced from it
A winding for a linear motor, which winding has three electrical cables arranged in grooves of an elongated inductor. The three electrical cables have an electrically conductive sheath and an...
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7268293 |
Surface coating of lapped insulation tape
An electrically insulated object 13 with a heat conduit at the interface between the layers of insulating tape 16 . The tape 16 has been, surface coated with a high thermal conductivity (HTC)...
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7265296 |
Flame retardant plenum cable
The present invention is a flame retardant cable having an insulated conductor and at least two insulation layers. The cable demonstrates a composite dielectric constant less than or equal to about...
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7208682 |
Electrical cable with foamed semiconductive insulation shield
An electrical power cable with a foamed, compressible, semiconductive insulation shield which serves as both a cushioning layer and an electrical shield.
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7196267 |
Electrically insulating resin composition and a DC electric wire or cable both coated therewith
An object of the present invention is to provide an electrically insulative resin composition that exhibits superior electrical properties and processability and an electric wire or cable having a...
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6972099 |
Strippable cable shield compositions
A semiconductive resin composition for use as a semiconductive layer in contact with a crosslinked wire and cable insulation layer is disclosed for use where the insulation layer is crosslinked...
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6858296 |
Power cable
This invention is directed to a cable for electrical conductors which has insulation layer which includes a 2,2,6,6-tetramethylpiperidine and a strippable insulation shield layer which includes a...
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6686543 |
Radio frequency suppressing cable
A radio frequency suppressing cable has at least one conductor and a resistive layer surrounding the at least one conductor and insulated from the at least one conductor. The bulk resistance of...
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6673448 |
Electric cable and a method for the production thereof
A semiconducting composition for electric cables, an electric cable incorporating the composition, and a method of producing a cross-linked semiconducting layer of an electric cable are disclosed....
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6509527 |
High and very high voltage DC power cable
The high or very high voltage DC cable has extruded polymeric insulation made out of a styrene-containing material. The material of the insulation is constituted by a mixture comprising...
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6492588 |
Self suppression wire or cable, and ferrite bead in combination
A suppression wire combination includes a stranded copper conductor, a layer of ferrite-filled polymer extruded around the stranded copper conductor, and an insulation layer which is preferably...
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6455769 |
Electrical cable having a semiconductive water-blocking expanded layer
Electrical cable, in particular for medium- or high-voltage power transmission or distribution, having a metal shield and a semiconductive water-blocking expanded layer. This layer exerts three...
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6420812 |
High voltage generator stator coils and methods of forming same
The present invention provides a high voltage generator stator coil for power generation systems for preventing partial discharge. The high voltage generator stator coil preferably includes a...
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6417456 |
Insulated conductor for high-voltage windings and a method of manufacturing the same
An insulated conductor for high-voltage windings in electric machines employs conductor formed of one or more strands, an inner, first semi-conductive layer surrounding the strands, a first...
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6416860 |
Electric cable and a method and composition for the production thereof
A semiconducting composition for the inner semiconducting layer of an electric cable, an electric cable incorporating the composition, and a method of producing a cross-linked inner semiconducting...
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6395989 |
Cross-linkable semiconductive composition, and an electric cable having a semiconductive coating
A cross linkable composition includes a copolymer part being composed of a copolymer of ethylene and an organic acid salt of an alkyl, alkenyl, or alkynyl radical including 26% to 42% by weight of...
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6395975 |
High voltage direct current electrical cable with mass-impregnated insulation
Mass-impregnated electrical cable, particularly for carrying high voltage direct current, having an insulation in which, around the insulating layer impregnated with an insulating fluid, a...
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6299978 |
Semiconductive polyolefin compositions and cables covered with the same
A semi-conducting composition for use as conductor shield in extruded coatings on high voltage electrical cables, and the resultant cables. The composition consists essentially of (a) a polymeric...
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6284374 |
Strippable semiconductive resin composition and wire and cable
Disclosed are a strippable semiconductive resin composition adapted for formation of a semiconductive layer having a volume resistivity of not more than 5000 Ωcm at room temperature, the...
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6255399 |
Cables with a halogen-free recyclable coating comprising polypropylene and an ethylene copolymer having high structural uniformity
A cable, in particular for power transmission, for telecommunications or for data transmission, or also combined power/telecommunications cables, wherein at least one coating layer consists of a...
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6245426 |
Electric device with a porous conductor insulation impregnated with a dielectric fluid exhibiting a rheologic transition point
An electric device comprising a conductor and a porous conductor insulation impregnated with a dielectric fluid. Where the dielectric fluid comprises; a polymer; and a hydrocarbon-based...
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6242692 |
Electric power cables
An electric power cable of the kind having at least one metallic conductor, optionally a conductor screen of semiconductive material, and insulation all enclosed in an earth screen formed by wires...
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6225565 |
Flexible cable providing EMI shielding
A flexible cable which includes a Faraday shield sheath formed of a high permeability ferrous alloy filled matrix binder of conductive elastomer, which provides electromagnetic interference (EMI)...
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6165387 |
Composition for electric cables
A composition for electric cables is described. The composition comprises an ethylene copolymer which includes a (poly)alkylene glycol mono(meth)acrylate of formula (I) wherein R 1 =H or CH 3 ; R...
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6130495 |
Supporting element for an electric winding, turbogenerator and method of producing a corona shield
A supporting element or core stack for an electric winding, in particular for a stator of a turbogenerator, includes a supporting surface to which an electric conductor can be attached. The...
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6069430 |
Insulating material and windings thereby
The high thermoconductive insulating film 11 was formed around the outer periphery of the wound conductors 10, using the high thermoconductive insulating tape 1 comprising the mica layer 3, the...
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RE36307 |
Multi-layer power cable with metal sheath free to move relative to adjacent layers
An electrical power cable with a stranded conductor, a semi-conductive stress control layer around the conductor, a layer of insulation around the stress control layer, a semi-conductive insulation...
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5917155 |
Electrical conductors coated with corona resistant multilayer insulation system
Electrical conductor coated with a corona-resistant, multilayer insulation system comprising first, second, and third insulation layers. The first insulation layer is disposed peripherally around...
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5824958 |
Noise suppressing, coil-type electrical cable resistant to high voltage
A noise-suppressing, coil-type, electrical cable which is resistant to high voltage includes an elongated core and a helically wound resistance wire. An insulation layer is provided over the...
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5661266 |
Engine ignition cable structure
An engine ignition cable includes a stretching resistant central core over which an intermediate layer made of a mixture of silicone with ferric oxide powders with a ratio of 4:1 is fit. A high...
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5612510 |
High-voltage automobile and appliance cable
The present invention features a high-voltage, high-temperature cable article for use with electric motors, coils, transformers, generators and power supplies. The cable article has a conductive...
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5576514 |
Coil type high-voltage resistive cable for preventing noise
In order to provide a coil type high-voltage resistive wire having a lower resistance than and a noise preventing performance similar to a prior art resistive wire while maintaining an inductance...
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5556697 |
Semiconductive power cable shield
Vulcanizable semiconductive shield compositions contain a linear, single-site catalyzed polymer formed by polymerizing ethylene with at least one comonomer selected from C 3 to C 20 ...
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5545853 |
Surge-protected cable
The present invention features a surge-protected cable for use in the wire leads and wire-wound stators of electrical motors. The cable of the invention is of the "filter line" type. This invention...
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5530206 |
Telecommunication cable
A coaxial cable intended to be used in the field of telecommunications comprises a metal core surrounded by at least two layers one of which is a dielectric material layer and the other of which,...
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5481070 |
Direct current oil-filled self contained cable
A DC OF cable has its main insulation composed of a composite insulation tape comprising a low dielectric loss film and kraft paper (PPLP). 1-10 sheets of kraft paper are wound on the PPLP main...
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5460886 |
DC high-voltage wire
A DC high-voltage wire comprising: a conductor; a resin composition layer coating the conductor, the resin composition layer comprising a polyolefin resin containing carbon black in an amount of...
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5438474 |
Protective sheath
There is disclosed a tubular protective sheath for containing a power transmission conduit, the sheath comprising: first and second flexible elements each helically arranged to form respective...
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5397855 |
Low noise cable
The cable includes a conductive coating layer disposed on an internal dielectric and surrounded by a conductive screen. The cable is characterized in that said conductive coating is a conductive...
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5397860 |
Multiple-core electrical ignition system cable
A failure-resistant electrical ignition system cable comprises first and second terminal contacts for contacting a source of ignition pulses and contacting the predetermined destination of these...
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5339038 |
Assembly for detecting and locating cable pinching
An assembly for protecting a conduit having a core and an axial length, which length is susceptible to being pinched by a structure is disclosed. The conduit includes an insulating coating in...
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5331606 |
Static dissipating data cable and seismic apparatus
Doping the jacket of a data cable reduces the bulk volume resistivity of the jacket material allowing built-up static electricity to discharge. This reduces the likelihood of static charge...
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5300733 |
Water impervious rubber or plastic insulated power cable
A water impervious rubber or plastic insulated power cable, which is capable of maintaining water imperviousness for an extended period of time, is provided, which power cable comprising: a cable...
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5231249 |
Insulated power cable
There is provided an olefin resin composition for power cables which contains an olefin resin and m-(tert-butylperoxyisopropyl)-isopropylbenzene and/or...
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5175396 |
Low-electric stress insulating wall for high voltage coils having Roebeled strands
A wall structure for insulating the exterior surface of a high voltage coil having Roebeled windings is provided that comprises an inner insulating layer formed from a hardenable epoxy material for...
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5151143 |
Moisture-impermeable electric conductor
In the manufacture of a cable core comprising a moisture-impermeable multi-wire conductor, the conductor is stranded in a conventional manner and, after a fluid-impermeable layer of plastics...
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5095175 |
Water-tight rubber or plastic insulated cable
A water-tight rubber or plastic insulated cable includes water-tight compound which is injected into apertures among stranded wires for a conductor. The stranded conductor is compressed to have a...
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5066881 |
Semi-conducting layer for insulated electrical conductors
A semi-conducting pyrolyzed glass fiber layer equalizes the electrical potential on the exterior surface of an insulated conductor when the layer covers the surface. The layer prohibits the...
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5034719 |
Radio frequency interference suppression ignition cable having a semiconductive polyolefin conductive core
An ignition cable having a layer of semi-conductive cross-linkable polyolefin extruded over a nonmetallic strength member to form a conductive core. An insulating layer is extruded over the...
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5012125 |
Shielded electrical wire construction, and transformer utilizing the same for reduction of capacitive coupling
A current carrying wire is provided with a tubular shield construction which essentially covers the wire with conductive material, and preferably emulates a classical Faraday shield. The shield is...
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