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Power cable comprising HTS tape(s)

Patent Number: 8442605
Publication Date: 2013-05-14
Inventors: ; ;

The invention relates to power cable comprising, at least one HTS-tape and a cooling system comprising a fluid cooling medium for cooling the at least one HTS-tape. The at least one HTS-tape being at least partly surrounded by a cooling layer comprising said fluid cooling medium and an electrical insulation at least partly impregnated with said fluid medium.

The power cable of the invention has shown to reduce the risk of fault current and electrically breakdown. When extra cooling ...

Superconductor cable

Patent Number: 8437819
Publication Date: 2013-05-07
Inventors: ; ;

Superconductor cable having a plurality of flat, tape-shaped ribbon superconductor wires assembled to form a stack having a rectangular cross section, the stack having a twist about a longitudinal axis of the stack. Multiple superconductor cables including twisted stacked-cables of the flat-tape-shaped superconductor wires, and power cable comprising the twisted flat-tape stacked cables are disclosed. Superconducting power cable disposed within and separated from an electrical insulator ...

System and method for providing multi-conductive layer metallic interconnects for superconducting integrated circuits

Patent Number: 8437818
Publication Date: 2013-05-07
Inventor:

Superconducting integrated circuits require several wiring layers to distribute bias and signals across the circuit, which must cross each other both with and without contacts. All wiring lines and contacts must be fully superconducting, and in the prior art each wiring layer comprises a single metallic thin film. An alternative wiring layer is disclosed that comprises sequential layers of two or more different metals. Such a multi-metallic wiring layer may offer improved resistance to ...

Superconducting V-type motor

Patent Number: 8437817
Publication Date: 2013-05-07
Inventor:

A motor and method of operation are provided. The motor includes a plurality of cylinders, wherein at least two of the cylinders are positioned at a non-zero angle relative to one another. Each cylinder includes a piston configured to move within the cylinder and a high-temperature superconductor material in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the ...

Superconducting oscillator

Patent Number: 8437816
Publication Date: 2013-05-07
Inventor:

An oscillator and method for applying a time-varying force to a magnet is provided. The oscillator includes a superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. The oscillator further includes at least one magnetic field source configured to apply a magnetic field ...

Superconducting rotary motor

Patent Number: 8437815
Publication Date: 2013-05-07
Inventor:

A motor and a method of operating the motor are provided. The motor includes a stator including a high-temperature superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. The motor further includes a rotor including a plurality of permanent magnets and configured to ...

Arrangement method of superconducting wires of a superconducting cable

Patent Number: 8433381
Publication Date: 2013-04-30
Inventors: ; ; ;

The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the ...

Mössbauer spectroscopy system for applying external magnetic field at cryogenic temperature using refrigerator

Patent Number: 8433380
Publication Date: 2013-04-30
Inventors: ;

A Mössbauer spectroscopy system for applying an external magnetic field at cryogenic temperature using a refrigerator is provided. A Mössbauer spectrum can be obtained by applying the external magnetic field while changing the temperature of a superconducting magnet and a sample from a cryogenic temperature using the refrigerator, the external magnetic field can be applied while cooling the superconducting magnet using the refrigerator without the need for use of a liquid helium, thereby ...

Tape-shaped oxide superconductor

Patent Number: 8431515
Publication Date: 2013-04-30
Inventor:

A tape-shaped oxide superconductor includes a 15 to 100 nm-thick Ce—Gd—O-based oxide layer (Ce:Gd=40:60 to 70:30 molar ratio) and a 100 nm-thick Ce—Zr—O-based oxide layer (Ce:Zr=50:50 molar ratio) as first and second intermediate layers are formed by MOD on an Ni-base alloy substrate having a half value width (FWHM:Δφ) of 6.5 degrees. A 150 nm-thick CeO₂oxide layer as a third intermediate layer is formed on the second intermediate layer by RF sputtering. A 1 μm-thick ...