Abstract: An arrangement is provided having a superconductive cable (SK) which consists of a superconductive conductor (1) and a superconductive screen (3) that encloses the latter with the interposition of a dielectric (2) and which is enclosed, with the inclusion of a free space (FR) for conveying a refrigerant, by a cryostat (KR) which consists of two metal tubes (4,5) arranged mutually concentrically, between which vacuum insulation (6) is arranged. Outside the screen (3), a tubularly closed layer (7, 8) of a ferromagnetic material is provided over the entire length of the cable (SK). It is preferably arranged on the outer circumference of the cryostat (KR).
Abstract: A method of managing thermal contraction of a superconductor cable (2) having a cable body surrounded by an external screen (2A) made form wound metal elements and installed between its ends in an enclosure (1) or cryostat filled with a cryogenic liquid, where the method includes mechanically applying a locking force loading only said screen (2A) at a so-called locking point (5A, 5B) in the vicinity of the ends of the cable.
Type:
Grant
Filed:
August 8, 2011
Date of Patent:
November 12, 2013
Assignee:
Nexans
Inventors:
Frank Schmidt, Nicolas Lallouet, Sébastien Delplace, Erik Marzahn
Abstract: An electric cable, has an electrical conductor surrounded by a cured electrically-insulating layer obtained from a curable composition with a polymer matrix, the polymer matrix having one or more polyolefins and a polyvinyl acetal as agent for reducing the formation of water treeing, the quantity of PVA being no more than 10% by weight in the composition.
Type:
Grant
Filed:
November 24, 2009
Date of Patent:
November 12, 2013
Assignee:
Nexans
Inventors:
Christian Koelblin, Thomas Stuhldreier, Franz Daenekas, Mark Hartley
Abstract: A strand of section of no more than 0.35 mm2 is provided having one or more electrical conductor wires, where each electrical conductor wire is constituted by an alloy of copper and tin. The tin content is not less than 1500 ppm and not more than 2500 ppm the oxygen content is not more than 400 ppm the inevitable impurities content is not more than 100 ppm and the balance of the content of the alloy is copper with the electrical conductor wire(s) being exempt from heat treatment during fabrication of the strand.
Type:
Grant
Filed:
October 5, 2009
Date of Patent:
October 8, 2013
Assignee:
Nexans
Inventors:
Francis Debladis, Stephane Morice, Emilien Comoret
Abstract: A coupling part for electrical lines, where, in an injection-molded protective or plug body, in whose first end a cable is guided, a sealing element is contained which rests circumferentially tight against the cable. The sealing element is surrounded by a capsule part and is biased by the capsule part at least proportionately against the cable, wherein the capsule part is surrounded at least proportionately by the injection-molding protective or plug body.
Type:
Grant
Filed:
January 31, 2012
Date of Patent:
October 8, 2013
Assignee:
Nexans
Inventors:
Otto Nachbauer, Martin Voit, Rainer Lang
Abstract: A device for connecting functional elements is indicated which are arranged in a sliding door of a motor vehicle, with at least one supply source present in the body of the motor vehicle through lines which extend between the functional elements and the supply source. The sliding door is mounted on a carriage which is moveable back and forth in the bottom area of the motor vehicle essentially over the entire width of a door opening (3). Lines connected to a connection point (14) of the supply source are arranged in a guide chain (16) which is composed of mechanically stable chain links which are moveably connected to each other, wherein the guide chain is pivotally fastened with a first end to the sliding door and with a second end in the area of the connection point (14) to the body of the vehicle.
Abstract: An underwater power connection system (10) has at least two separable magnetic cores (40, 50) which are operable when coupled together to form a magnetic circuit, where the at least two cores (40, 50) are provided with respective one or more windings, and said cores (40, 50) include a transverse magnetic member arrangement (60, 80) supporting magnetic limbs (70, 90), where the limbs (70, 90) are elongate and are adapted to intermesh with their lateral sides mutually abutting for providing the magnetic circuit when the system (10) is in its assembled state (210), and where the limbs (70,90) are of tapered form towards their distal ends.
Abstract: A fiber optic cable includes a plurality of optical fiber subunits, each of the subunits including four fiber optic elements and an enclosing jacket. A plurality of optical fiber subunit assemblies are also included, each of which includes a plurality of the optical fiber subunits and an enclosing micro-sheath. The subunits are stranded around one another. A sheath encloses the plurality of optical fiber subunit assemblies.
Abstract: A cable jacket includes an extruded polymer made from PVDF, PVC and a compatibilizing agent, where a ratio of PVDF, PVC and a compatibilizing agent is substantially 7:3:1.
Abstract: A coated conductor is provided with improved electrical connection between the conductive layers such as the high temperature superconductor layer and a metal protection layer applied onto the high temperature superconductor layer and the substrate. A method includes obtaining such electrical connection, in particular, creating a coated conductor wherein the substrate is a core covered with the layers all around its periphery.
Type:
Grant
Filed:
July 15, 2010
Date of Patent:
June 25, 2013
Assignee:
Nexans
Inventors:
Arnaud Allais, Mark O. Rikel, Jürgen Ehrenberg
Abstract: An assembly of fiber optic elements includes at least two subunits, each of which has at least one fiber optic unit and a flat binder wrapped over the subunits into an arrangement. The at least two subunits are stranded in a S-Z arrangement at a first lay length and the binder is stranded over the subunits in a uni-directional helical lay at a second lay length. The payoff tension and the first lay length of the subunits, combined with a payoff tension and the second lay length of the binder are simultaneously sufficient to hold the subunits within the arrangement, while being loose enough to allow a single subunit to be removed without destroying the arrangement.
Type:
Grant
Filed:
July 30, 2010
Date of Patent:
June 18, 2013
Assignee:
Nexans
Inventors:
David Keller, Randie Yoder, Terry Gooch
Abstract: A process for preparing a shaped substrate suitable in the production of coated conductors which process allows the deformation of a textured substrate onto which a textured buffer layer has been already grown.
Abstract: An arrangement for fastening an electrical conductor has a clamp (1) constructed as a pipe piece of metal and at least one clamping screw (2) for fastening an electrical conductor (3,4) in the clamp. The clamp has in its wall at least one throughhole provided with a thread for receiving the clamping screw. The clamping screw has a tubular contact part provided with an external thread and adapted to be screwed into the throughhole of the clamp, wherein the contact part has at its one axial end a contact surface for contacting an electrical conductor located in the clamp and along its extension with a circumferential intended breaking point a significant distance from the contact surface.
Type:
Grant
Filed:
January 26, 2012
Date of Patent:
April 23, 2013
Assignee:
Nexans
Inventors:
Gert Stauch, Volker Markgraf, Juergen Krauss, Manfred Baesch, Martin Zapf, Rainer Seebauer
Abstract: An electric cable is provided having a conductor element, and successively around the conductor element an electrically-insulating layer; a metal screen and an outer protective sheath. The cable has an extruded outer layer surrounding the outer protective sheath, the extruded outer layer being directly in contact with the outer protective sheath, and being obtained from a composition containing more than 50.0 parts by weight of apolar polymer per 100 parts by weight of polymer in the composition, together with an electrically-conductive filler.
Type:
Grant
Filed:
February 25, 2010
Date of Patent:
April 2, 2013
Assignee:
Nexans
Inventors:
Christian Koelblin, Daniel Milan, Christophe Mercado, Frédéric Bechard, Franz Daenekas
Abstract: An arrangement of a two-phase superconducting cable as a power supply cable in two-phase power distribution networks for electric railways include two phase conductors which are arranged coaxially with respect to one another and are separated from one another by an inner dielectric. A cryostat, with the superconducting cable arranged therein, has two tubes which run co-axially and at a distance from one another with vacuum insulation between them, where in addition to the superconducting cable, the cryostat surrounds a free space for a coolant to be passed through, and where an outer dielectric is fitted over the outer phase conductor of the superconducting cable.
Abstract: A connector assembly for connecting and/or disconnecting an electric power cable (1) to/from a subsea pipeline (8) includes a female cone element (6), a complementary male cone element (5), and bolt tightening means (70). The tightening means (70) includes in a first stab member (7) adapted to be received in a first receptacle (16) in said female cone element (6), the first receptacle (16) has an opening facing in opposite direction of the cone (12) of the female cone element (6) for receiving the first stab member (7). A tightening bolt (7a) is provided in the first stab member (7) with an inner end (7c) of the bolt (7a) being adapted to engage the male cone element (5) and with an outer end (7b) being accessible for the connecting and/or disconnecting operations.
Abstract: A superconducting cable system in which at least one superconducting electrical cable is arranged in a cryostat which consists of two metallic tubes, which are arranged concentrically and at a distance from one another. Vacuum insulation is fitted in the circumferential gap formed by the distance between the tubes, which vacuum insulation consists of spaces composed of a material having low thermal conductivity and plastic films coated with a metal and having high reflectivity. The gap is evacuated. In addition, thermally insulating material (9) is arranged in the gap, and its thermally insulating characteristics are independent of the vacuum which is produced between the two tubes (5, 6).
Abstract: An electrical bushing structure includes a central conductor (19) designed to have one (26) of its two ends connected to a superconductor element situated in an enclosure (11) at cryogenic temperature, and its other end (25) connected to an article at ambient temperature. An electrically insulating sheath (20) surrounds the conductor over substantially the entire length of the conductor. A metal tube (24) surrounds the conductor over substantially its entire length and is interposed between the insulating sheath (20) and the conductor (19), the tube being mechanically fastened to the conductor close to one of the ends (25, 26) of the conductor, referred to as its first end, and not being mechanically fastened to the conductor close to the other one of the ends of the conductor, referred to as its second end. A space between the conductor and the tube containing a gas. The tube is in electrical contact with said second end of the conductor.
Type:
Grant
Filed:
June 28, 2007
Date of Patent:
February 12, 2013
Assignee:
Nexans
Inventors:
Nicolas Lallouet, Sébastien Delplace, Pierre Mirebeau
Abstract: The invention relates to an electric conductor (L), made of an electrically conductive material comprising aluminum. The electric conductor is surrounded at least in a region intended for the connection of an electric contact element by a protective layer (3) serving the corrosion protection. The conductive material (2) is formed around a steel wire (1) having a diameter between 0.05 mm and 0.2 mm and a fracture strength of at least 1000 N/mm2 and having such a wall thickness that a conductor (L) having a diameter between 0.10 mm and 0.40 mm is obtained, onto which the protective layer (3) is applied having a thickness of at least 0.5 ?m.
Abstract: A superconducting electrical cable is specified, which is surrounded by a cryostat (3), which comprises two concentric metallic tubes (4, 5) which enclose thermal insulation between them and is used to carry a cooling medium. The cable has at least one superconductor (1), which is composed of superconducting material, as well as a normal electrical conductor (7), which is composed of normally conductive material and is electrically conductively connected to the superconductor. The normal conductor (7) is arranged outside of but resting on the cryostat (3).