Class 505/163 - Significant cryogenic refrigeration system having superconductor component as part of the system or having superconductor device or material to be cooled present therewith (e.g., Peltier effect device, etc.)

Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Significant refrigeration system or device containing a
No. of patents: 30
Last issue date: 05/03/2011

Number	Title	Issue Date
7935450	Method for operation of an energy system, as well as an energy system An energy system, in at least one embodiment, includes an energy production device for production of energy for the energy system with the aid of an working medium, a superconductor for low-loss conduction of electrical energy in the energy system, and a cooling dev...	05/03/2011
7383688	Superconducting device having a cryogenic system and a superconducting switch The superconducting device has a cryogenic system to whose first refrigerant there is thermally coupled a superconducting unit and a superconducting switching path, which is electrically connected to said unit and is to be activated thermally by a heater, of a super...	06/10/2008
7370481	Apparatus and method for cooling super conductive body Liquid nitrogen is filled in a low temperature vessel; an ejector that sucks liquid nitrogen by blowing a cooling agent (liquid or gas) such as low temperature helium gas or liquid helium of pressure higher than in the space within the vessel is disposed in the vess...	05/13/2008
7372273	High temperature superconducting current leads for superconducting magnets An electrical current lead assembly for ramping a superconducting magnet includes a vacuum vessel wall that has a first side exposed to an atmospheric pressure and a second side exposed to a vacuum pressure. A pool wall extends from the first side of the vacuum vess...	05/13/2008
7357085	Machine guideway employing electromagnetic suspension A machine guideway for used in machine processing includes a base (10, 40), a slide block (20, 50) slideably received in a sliding groove of the base, and an electromagnetic suspension system. The electromagnetic suspension system provides a repulsion ...	04/15/2008
7193336	Switchable low-loss cryogenic lead system A method and apparatus for reducing conductive thermal losses in high-current cryogenic power electronics systems needing large cables to interface between warm and cold environments. Thermal losses increase with increasing cross-sectional area. The total current at...	03/20/2007
7098559	Engine using the transition state of a superconductor to produce energy The inventive method uses a superconductor to generate energy. The superconductor is alternated between a temperature above and below a critical temperature defined by a transition between the superconducting and non-superconducting states. The superconductor intera...	08/29/2006
7058436	Superconducting filter apparatus and wireless receiving amplifier having an abnormality discriminating circuit A superconducting filter apparatus having a refrigerator for cooling the superconducting filter to cryogenic temperatures, a pilot signal generator for generating a pilot signal that is outside the pass band and inputting the pilot signal to the superconducting filt...	06/06/2006
7049920	Open magnet device and magnetic resonance imaging apparatus comprising it In a superconductive magnet device comprising upper and lower vacuum vessels coupled by a coupling conduit, the upper and lower vacuum vessels 9 and the coupling conduit 24 coupling them are made of a high electric-resistance material so that the magne...	05/23/2006
6936771	Superconducting cable termination Disclosed is a termination that connects high temperature superconducting (HTS) cable immersed in pressurized liquid nitrogen to high voltage and neutral (shield) external bushings at ambient temperature and pressure. The termination consists of a splice between the...	08/30/2005
6903687	Feed structure for antennas A novel feed structure, for an antenna having a resonant electric field structure, comprising a patch element, an integrated circuit attached to the patch element, at least one inner conductor electrically connected to and terminating at the integrated circuit on a ...	06/07/2005
6501970	Superconductor-based processing Viable (HT) superconductor-based processing is disclosed comprising the controlled conversion of energy resulting from application of a (HT) superconductor to an electric, magnetic, electromagnetic and/or gravitational field, wherein the converted energy ...	12/31/2002
6191073	Series of layers and component containing such The invention relates to a series of layers containing at least one layer on the basis of REBa2 CU3 O7-Z or with a comparable crystallographic structure, wherein said layer is connected to a non-superconductive layer. The ...	02/20/2001
5991647	Thermally shielded superconductor current lead A high temperature superconductor lead assembly for reducing the heat leak into a cryocooled system features a shroud configured for at least partial submersion in a cryogenic fluid contained within a bath chamber, and a high temperature superconductor le...	11/23/1999
5759960	Superconductive device having a ceramic superconducting lead resistant to breakage A superconductive device (e.g., magnet) having a superconductive lead assembly and cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end thermally connected to the first stage and a second end...	06/02/1998
5747418	Superconducting thermoelectric generator An apparatus and method for producing electricity from heat. The present invention is a thermoelectric generator that uses materials with substantially no electrical resistance, often called superconductors, to efficiently convert heat into electrical ene...	05/05/1998
5571606	Ceramic superconducting lead resistant to breakage A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first...	11/05/1996
5552372	Ceramic superconducting lead resistant to breakage A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first...	09/03/1996
5552211	Ceramic superconducting lead resistant to breakage A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first...	09/03/1996
5396206	Superconducting lead assembly for a cryocooler-cooled superconducting magnet A superconducting magnet lead assembly for a cryocooler-cooled superconducting magnet having a design current of between generally 50 and 250 amperes. A DBCO (Dysprosium Barium Copper Oxide), YBCO (Yttrium Barium Copper Oxide), or BSCCO (Bismuth Strontium...	03/07/1995
5260266	High-TC superconducting lead assembly in a cryostat dual penetration for refrigerated superconductive magnets This invention relates to high-Tc superconducting lead assemblies in a cryostat dual penetration for refrigerated superconductive magnets. Such structures of this type, generally, provide electrically isolated current paths with minimal heat leak between ...	11/09/1993
5250508	Superconductor current-limiting apparatus The invention relates to superconductor current-limiting apparatus of the type having a magnetic core around which firstly a superconductor component is disposed, followed by an electric coil made of non-superconducting material, the apparatus being desig...	10/05/1993
5212626	Electronic packaging and cooling system using superconductors for power distribution A board containing plural superconducting power planes, one for each required potential level, is used to distribute power to one or more semiconductor logic chips which, together with the board, are immersed in liquid nitrogen. Each chip is coupled therm...	05/18/1993
5166776	Hybrid vapor cooled power lead for cryostat A power lead for a cryostat has high temperature superconducting (HTSC) conductors extending inward toward a pool of liquid cryogen in the cryostat in series with normal conductors extending from the HTSC conductors to outside the cryostat. Tubular shroud...	11/24/1992
5166777	Cooling apparatus for superconducting devices using Peltier effect cooling element A superconductive apparatus including a superconductive member to be cooled, a cooling element which exhibits Peltier effect upon supply of electric power thereto such that the superconductive member is thermally coupled with a cooling portion of the cool...	11/24/1992
5091361	Magnetic heat pumps using the inverse magnetocaloric effect A heat pump system operates by the inverse magnetocaloric effect in which the working medium is a superconductive body of type II superconductive material having a critical temperature above 23° K. The superconductive body is cooled to below its critical...	02/25/1992
5057490	Low-temperature thermoelectric refrigerating device using current-carrying superconducting mode/nonsuperconducting mode junctions A refrigerating device (34 or 46) is formed using a refrigerating unit (10) having a hot end (32) at which heat is transferred to a heat sink (22), a cold end (30) at which heat is transferred from a cooling load (28) to the unit (10), a first junction (1...	10/15/1991
5006505	Peltier cooling stage utilizing a superconductor-semiconductor junction A practical cryogenic Peltier cooler is devised by replacing one of the semiconducting elements in a conventional peltier cooler with an element comprised of bulk, or thin film superconducting material. In the preferred embodiment, a rare-earth, a barium ...	04/09/1991
4924198	Superconductive magnetic resonance magnet without cryogens A superconductive magnet for magnetic resonance imaging not requiring consumable cryogens or requiring cryogen liquid or vapor cooling of superconducting coils is provided having a resin impregnated coil of superconductor wire. Heat conductive means havin...	05/08/1990
4895831	Ceramic 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

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Class 505/163 - Significant cryogenic refrigeration system having superconductor component as part of the system or having superconductor device or material to be cooled present therewith (e.g., Peltier effect device, etc.)