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Class 505/886 - Cable: (Class 174/15S)


Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Subject matter wherein the superconductor is in the form
No. of patents: 56
Last issue date: 01/15/2008


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NumberTitleIssue Date
7319195Composite conductor, superconductive apparatus system, and composite conductor manufacturing method
A composite conductor suitable as a connecting conductor that includes a superconductor and is capable of reducing the generation of Joule heat in a joint part between the system side and power-supply sides of a superconductor apparatus. A composite conductor 10
01/15/2008
6972374Flexible conductor code for superconducting power cable and manufacturing process thereof
A flexible conductor core for superconducting power cable, characterized by a central tubular element on which the superconducting tapes are placed, in the shape of a spiral or helix, in at least two layers with a calculated angle of lay length, being one of the sec...
12/06/2005
6596945Superconducting cable
In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a ben...
07/22/2003
6525265High voltage power cable termination
A high voltage power cable termination with a current lead, a power cable having a first tube and an outer conductor, e.g., a superconductor, whose electrically conducting properties improve at low temperatures, arranged around the first tube and intended...
02/25/2003
6512311High power superconducting cable
A superconducting cable (1) for high power with at least one phase comprises a superconducting core (2) wherein a plurality of elements (3) are housed, which are structurally independent and magnetically uncoupled, each of which includes--for each phase--...
01/28/2003
6470198Electronic part, dielectric resonator, dielectric filter, duplexer, and communication device comprised of high TC superconductor
In a dielectric resonator, a superconductor is formed on two neighboring surfaces of a cubic dielectric body, and the superconductors formed on each two neighboring surfaces are connected by a silver electrode formed in the vicinity of the edge where the ...
10/22/2002
6342673Method of maintaining a superconducting cryolink at low temperature
Method of maintaining a superconducting cryolink at low temperature by a flow of liquid nitrogen produced by a liquefier feeding one end of a link section, wherein the section is fed by a single liquefier and nitrogen is drawn off from at least one interm...
01/29/2002
6262375Room temperature dielectric HTSC cable
A high temperature superconducting cable comprises a cryogenic core, with a superconducting material either inside the cryogenic core or wrapped around the core. A space maintained at a vacuum and functioning as a cryostat surrounds the core; within this ...
07/17/2001
6255595Superconducting cable with the phase conductors connected at the ends
A superconducting cable for high power with at least one phase includes a superconducting core wherein a plurality of elements are housed, which are structurally independent and magnetically uncoupled, each of which includes--for each phase--a couple of p...
07/03/2001
6034324Modular high temperature superconducting down lead with safety lead
A self-protected modular high temperature superconducting (HTS) down-lead that is capable of carrying large currents from a room temperature power source to a superconducting device operating at cryogenic temperatures. This down-lead incorporates a safety...
03/07/2000
6034588Superconducting current lead
A superconducting current lead is provided, in which a plurality of unit conductors serving as current paths and each formed from a tape-like oxide superconducting wire are disposed on a cylindrical support member 4 so that a tape surface of the supercond...
03/07/2000
5891585Nb3 Al multi-filamentary superconducting wire
An Nb3 Al multi-filamentary superconducting wire capable of realizing both stabilization of a superconducting state and increase in capacity is provided. The Nb3 Al multi-filamentary superconducting wire includes a core formed of cop...
04/06/1999
5706571Method of manufacturing a sheathed twisted superconductor having a high critical temperature
A sheathed twisted superconductor with a high critical temperature is made from a billet obtained by assembling square cross-section single strands in a square cross-section metal tube. The multistrand obtained by drawing the billet through a roller die i...
01/13/1998
5620798Aluminum stabilized superconductor supported by aluminum alloy sheath
A new design for an aluminum stabilized superconductor which embeds the superconducting cable within a high purity aluminum stabilizer. This stabilizer is, in turn, partially surrounded by an aluminum alloy sheath. The aluminum alloy sheath is constructed...
04/15/1997
5276281Superconducting conductor
A superconducting conductor, having an excellent repeated temperature property with no reduction of critical current density against a temperature cycle, comprises an oxide superconductor and an fiber reinforced plastic ("FRP"), serving as a support membe...
01/04/1994
5248851Pseudo-rod fabricated from discrete planar conductors
A pseudo rod, fabricated from several plate sections joined together at their edges and having a cross-section resembling a polygon approximates a rod having a circular cross section. Using multiple plates joined at their edges permits growing a crystalli...
09/28/1993
5183965Ceramic superconducting downlead
An electrical conductor particularly suited for use as a downlead to low temperature devices includes a ceramic honeycomb body having longitudinal channels wherein films of substantially single crystals of a ceramic superconductor are grown. The maximum c...
02/02/1993
5183970Oriented superconductors for AC power transmission
A superconductive transmission line is formed of mixed metallic oxide ceramic material, particularly Y1 Ba2 Cu3 O7-x drawn epitaxially upon a substrate. The superconductive material has basal crystallographic pl...
02/02/1993
5168125Superconductor protected against partial transition
A superconductor protected against partial transition includes superconductor strands around at least one non-superconductor central strand or at least one non-superconductor central core electrically insulated from the superconductor strands. At least at...
12/01/1992
5132487Superconductor transmission line
An improved transmission system for electrical energy comprising a plurality of ball members interspersed by mating members enclosed within at least one protective outer wrapping, with the ball members and the mating members being in contact with adjacent...
07/21/1992
5120705Superconducting transmission line cable connector providing capacative and thermal isolation
A transmission line using superconductors instead of conventional conductors substantially reduces ohmic losses compared to conventional conductors. The superconductors are cooled by refrigerant flowing through a hollow superconducting inner conductor. Th...
06/09/1992
5073679Superconducting conductor having multiple transposed strands with internal cooling channels, and method of manufacture
A superconducting conductor comprises a first fraction of prior-tinned strands (1, 3, 5, 7, 9, etc. . . . ) and an additional fraction of non-prior-tinned strands (2, 4, 6, 8, 10, etc., . . . ). The strands of the first fraction and of the additional frac...
12/17/1991
5017552Superconductor wire and method of making same
A superconductive wire having an elongated flexible sheath bent into a nonlinear shape and formed with an inwardly extending longitudinal formations which can be grooves. A sintered body of a ceramic superconductive materials fills the sheath and conforms...
05/21/1991
4994633Bend-tolerant superconductor cable
An electric cable for shielding the conductor therein from tensile stresses during bending of the conductor in a predetermined lateral direction. An elongated duct having a pair of opposed sidewalls and a floor therebetween holds the conductive element, w...
02/19/1991
4966886Superconducting cable with continuously porous insulation
A ceramic wire superconducting cable is provided having porous expanded polytetrafluoroethylene insulation, a superconductive ceramic tape "conducting" layer having openings at prescribed intervals and a high strength polytetrafluoroethylene fiber protect...
10/30/1990
4947007Superconducting transmission line system
A superconducting transmission line system for transferring electrical power over long distances. The system includes a superconducting transmission line extending from a first location where power is supplied to the line to a second location where electr...
08/07/1990
4927985Cryogenic conductor
A composite hyperconductor for use at cryogenic temperatures and particularly well suited for AC applications employs at least one filament of conductor having an extremely low electrical resistance at cryogenic temperatures, a strengthening matrix surrou...
05/22/1990
4895831Ceramic superconductor cryogenic current lead
A two stage cryocooler sleeve is provided having a second stage heat exchanger system capable of achieving lower temperatures than the first stage heat exchanger. A current lead comprising a ceramic superconductor having a critical temperature greater tha...
01/23/1990
4883922Composite superconductor and method of the production thereof
A composite superconducting wire using ceramic superconductor material in which one or more elongated superconductor material are accomodated in one or more grooves formed on an elongated reinforcing member so that a long size superconductor wire can be p...
11/28/1989
4845308Superconducting electrical conductor
A superconducting electrical conductor comprises a porous substrate of bonded fibers which are coated by ceramic oxide superconducting material of the perovskite type so that its critical temperature of superconductivity is at or above the boiling point o...
07/04/1989
4842366Ceramic superconductor and light transmitting composite wire
A ceramic type superconductive layer (2) is formed on the outer peripheral surface of an optical fiber (1), and a stabilizing layer (3) is formed so that it contacts the outer peripheral surface of the superconductive layer (3). The diameter of the optica...
06/27/1989
4626614Gas cooled current lead for superconducting machine
A large number of fine electrical conductor wires (5, 6) are densely packed in a tube (1). The electric conductor wires (5, 6) occupy 50% to 85% of the cross-sectional area of the inside of the tube (1) and are uniformly distributed over the cross-section...
12/02/1986
4492089Flexible cryogenic conduit
The interior of a tube provided for low temperature operation is shielded from the exterior through a plurality of metal ribbons helically looping around the tube in an intertwined relationship and each carrying a welded on conduit for low temperature liq...
01/08/1985
4490578Integrated superconductor
A superconductor which includes a housing of a highly pure copper having a slot therein for accommodating a plurality of monolithic superconductor members and a reinforcing member. A highly pure aluminum lid or cover is adapted to be disposed in an openin...
12/25/1984
4485266Termination for a superconducting power transmission line including a horizontal cryogenic bushing
A termination for a superconducting power transmission line is disclosed which is comprised of a standard air entrance insulated vertical bushing with an elbow, a horizontal cryogenic bushing linking the pressurized cryogenic cable environment to the ambi...
11/27/1984
4441088Stripline cable with reduced crosstalk
A transmission line having substantially reduced far-end forward wave crosstalk is characterized by a single layer of dielectric material having a thickness chosen to provide a forward wave coupling constant KF substantially equal to zero. The ...
04/03/1984
4409425Cryogenically stabilized superconductor in cable form for large currents and alternating field stresses
A cryogenically stabilized superconductor in cable form comprises several superconducting elements which contain twisted conductor filaments of superconductive material which are embedded in a matrix material of predetermined electric conductivity and whi...
10/11/1983
4397807Method of making cryogenic cable
A cable for cryogenic use includes an inner conductor and a solid polymeric insulator loosely positioned about said inner conductor above 0° C. A collapsible spacer can be positioned between the inner conductor and the polymeric insulator to further spac...
08/09/1983
4395584Cable shaped cryogenically cooled stabilized superconductor
A cable shaped cryogenically stabilized heavy current superconductor contains several superconducting elements embedded in a matrix material and several stabilizing elements arranged parallel thereto, the electric conductivity of which, in the normally co...
07/26/1983
4394534Cryogenic cable and method of making same
A cable for cryogenic use includes an inner conductor and a solid polymeric insulator loosely positioned about said inner conductor about 0° C. A collapsible spacer can be positioned between the inner conductor and the polymeric insulator to further spac...
07/19/1983
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