patent search us patent number 4797386 superconductor

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Superconducting rotating assembly

Jul 03, 1990· A non-contacting superconducting rotating assembly is described which includes a floating, unsupported and stable rotor The assembly includes first and second bearings comprised of a material which e , US Patent References: 4797386: Superconductor-magnet induced separation , to superconducting bearings which employ Type II superconductors ....

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Aluminum

A multifilamentary superconductor having a large number of NbTi filaments in an aluminum alloy matrix which is stabilized by a high-purity aluminum sheath is disclosed, together with the method of its manufacture An Al alloy billet having a number of NbTi rods disposed therein is extruded...

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Stacked magnet superconducting bearing

Jun 15, 1993· 19 A superconducting bearing according to claim 16, wherein a shaft is coaxially attached to an innermost annular magnet of said plurality 20 A superconducting bearing according to claim 18, further comprising retaining means, attached to an outermost magnet of said plurality, for retaining said magnets 21...

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Mar 29, 2019· How to Check a Patent The United States Patent and Trademark Office (USPTO) allows people to conduct searches of patents for those who are interested in learning the origins of an invention People also search patents records to make sure....

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"Low resistivity contact to iron

Method of making a low resistivity electrical connection between an electrical conductor and an iron pnictide superconductor involves connecting the electrical conductor and superconductor using a tin or tin-based material therebetween, such as using a tin or tin-based solder The superconductor can be based on doped AFe2As2, where A can be Ca, Sr, Ba, Eu or combinations thereof for purposes ....

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Drive system employing frictionless ,

Jun 09, 1992· The superconductors 16 and 18 comprise any of the new class of copper oxide perovskite superconductors with a superconducting transition temperature T c greater than 77° K Based on current understanding the magnets 12 and 14 are magnetically levitated by means of persistent currents generated in the disks 16 and 18, respectively, which, in ....

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Blood pump system

Each embodiment of the pump drive system includes a cryostat vessel in which the superconductor is disposed for confining the superconductor in a liquid nitrogen environment to therefore maintain its temperature at 77 K in order to cause the superconductor to levitate magnets within the pump...

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Coating of a superconductor

Coating of a superconductor (PAT - US6223418) ' ' HAN ZHENGHE Patent: Reexamination Certificate First Reexamination - United Stat Application: US19990380115 on 1999-09-30 Publication: 2001-05-01 Abstract A method of preparing a metal tube for a length of superconducting wire Inserts superconducting base material into the tube and packs or ....

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US6960975pdf

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Process for heat treating superconductor wire

An oxide superconductor wire is prepared by preparing a length of precursor wire for processing into an oxide superconductor wire and coating the precursor wire with an isolating layer The coated wire is wound onto a reel in a spiralling manner, such that each turn of the spiral is in alignment with the preceding turn of the spiral along an axis perpendicular to the axis of winding...

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US9786415B2

US9786415B2 US13/935,033 US201313935033A US9786415B2 US 9786415 B2 US9786415 B2 US 9786415B2 US 201313935033 A US201313935033 A US 201313935033A US 9786415 B2 US9786415 B2 US 9786415B2 Authority US United States Prior art keywords gap superconducting substrate structure superconducting layer Prior art date 2012-07-05 Legal status (The legal status is an ,...

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Feb 07, 2020· If you do not have a US patent number: You can also search for patents by topic or inventor, but options vary depending on how far back you want to search: For patents issued after 1975: Patents issued after 1975 can be easily searched by keyword using a number of free tools...

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Superconductor

Mar 14, 1978· In each wire a number of filaments of superconductive material are embedded in a matrix of normal electrically conductive material , United States Patent 4079187 , melting point lies below that of the matrix and whose tensile and/or shear strength at the operating temperature of the superconductor is substantially equal to or greater than ....

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Nikola Tesla Patents

Nikola Tesla British Patent 8575 - Improved Methods of and Apparatus for Generating and Utilizing Electric Energy for Lighting Purposes Nikola Tesla US Patent 1,209,359 - Speed-Indicator Nikola Tesla British Patent 186,799 - Process of and Apparatus for Balancing Rotating Machine Parts...

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US Navy Files Patent For Compact Fusion Reactor

Oct 11, 2019· Bodhammer shares a report from Popular Mechanics: The US Navy has jumped into the game by filing a patent for a compact fusion reactor, according to exclusive reporting by The War ZoneThe success of the device, developed by researcher Salvatore Cezar Pais of the Naval Air Warfare Center -- Aircraft Division, relies on a part called a dynamic fusor...

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US4151431A

The invention is directed to the method of utilizing the unpaired electron spins in ferro magnetic and other materials as a source of magnetic fields for producing power without any electron flow as occurs in normal conductors, and to permanent magnet motors for utilizing this method to produce a power source In the practice of the invention the unpaired electron spins occurring within ....

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Salvatore Pais

Salvatore Cezar Pais is an American aerospace engineer and inventor who works at the Naval Air Station Patuxent RiverHis patent applications on behalf of his employers have attracted international attention for their potential military and energy-producing applications, but also doubt about their feasibility, and speculation that they may be misinformation intended to mislead the United ....

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