Class / Patent application number | Description | Number of patent applications / Date published |
062510100 | Including cryostat | 79 |
20080202127 | Cooling System for Superconducting Power Apparatus - A cooling system for a superconducting power apparatus including a reservoir tank for reserving a liquefied gas, a circulating pump, a heat exchanger for cooling the liquefied gas, and a circulation loop through which the liquefied gas is circulated, the superconducting power apparatus being cooled by circulating the liquefied gas in a subcooled state using the circulating pump. The cooling system further includes a pressurizing mechanism for pressurizing the liquefied gas in the reservoir tank with the same type of gas as the liquefied gas, wherein a liquid level in the reservoir tank for reserving the liquefied gas in a pressurized state is located above an outlet of a return piping of a circulating liquefied gas at least by a dissolving depth of the pressurizing gas+(plus) a liquid level movement correction amount. | 08-28-2008 |
20080209919 | SYSTEM INCLUDING A HEAT EXCHANGER WITH DIFFERENT CRYOGENIC FLUIDS THEREIN AND METHOD OF USING THE SAME - A system can include a heat transfer structure and a heat exchanger. The heat transfer structure is to cool an object, and the heat exchanger is to cool a portion of the heat transfer structure. The system can be cooled significantly faster than a conventional system that uses conductive cooling. The system has no or less liquid cryogen that would be vaporized as compared to a conventional system that immerses the object to be cooled within a bath of liquid cryogen or has a substantial mass of liquid cryogen within a cooling loop. | 09-04-2008 |
20080271467 | Refrigerator Interface for Cryostat - A substantially cylindrical cryostat defining an axial imaging region, the cryostat housing a magnet which, in use, provides a substantially homogeneous magnetic field in the imaging region, further comprising a refrigerator arranged to cool certain elements of the cryostat, said refrigerator comprising a magnetic material which, in use, oscillates along an axis of the refrigerator. The cryostat is arranged such that the axis of the refrigerator is substantially tangential to a circle centred on the axis of the cylindrical cryostat. | 11-06-2008 |
20080295528 | SUSPENSION ROD TENSIONING ARRANGEMENTS FOR SUPPORTING CRYOGENIC EQUIPMENT WITHIN A CRYOSTAT - A cryostat, comprising an outer vacuum vessel containing cryogenic equipment suspended from the outer vacuum vessel by a number of suspension rods. At least one of the suspension rods is provided with a tensioning and retaining mechanism for holding that suspension rod in tension braced against a suspension bracket). This tensioning and retaining mechanism includes a tubular rod carrier arranged, in use, to pass through a hole or slot in the suspension bracket, the rod carrier having an axial bore through which, in use, the rod may pass; a thread on its outer surface along at least part of its length; and a rod bearing surface for, in use, transmitting force to the rod. This tensioning and retaining mechanism also comprises a tensioning nut threaded onto the thread so as to, in use, brace against the suspension bracket to urge the tubular rod carrier in the direction of the rod bearing surface so as to apply tension to the rod. | 12-04-2008 |
20080307801 | COOLING SYSTEM FOR CRYOGENIC STORAGE CONTAINER AND OPERATING METHOD THEREFOR - A cryogenic storage container is provided with a storage container, a vacuum container containing the storage container, and a heat shield. The cryogenic storage container is coupled to a cooling source equipped with a cryogenic freezer via transport piping so that the vibration of the cryogenic freezer cannot be directly delivered to the cryogenic storage container. The vibration can be further reduced by providing a bellows unit for transport piping. | 12-18-2008 |
20080314051 | SYSTEM AND METHOD FOR CRYOGENIC PROCESSING AND MANUFACTURING OF MATERIAL - An apparatus and method for cryogenic processing comprising a chamber having a specially optimized configuration and geometry and having internal insert array of pathways and supporting elements to facilitate advanced materials processing. The pathways and supporting components can be configured by bending and positioning in different planes with bending the pathways with optimal radii and in different planes. The pathways bending radii can be within an optimal range for the size of the chamber and the angles between the pathway bending planes can be within an optimal range. The angles between the supporting components positioning planes and the pathway bending planes can be in an optimal range. The invention can also include structural supporting components that are attached at the pathway small movement points and the length of attachment can vary from about approximately zero to the full length of the supporting component. A space can be provided between pathway and supporting components or between the array and the chamber walls allowing their independent movement and product exchange | 12-25-2008 |
20090007573 | Cryostat assembly - A cryostat assembly includes a thermal shield, a cooling system including a cold member maintained in use at a temperature lower than that of the thermal shield, a first adsorption pump assembly located at least partly within the thermal shield, a first switch thermally connecting the adsorption pump to the thermal shield, a second switch selectively, thermally connecting the adsorption pump to the cold member, and a first thermal link. The first adsorption pump includes a pumping chamber containing a working fluid and an adsorption pump in fluid communication with the pumping chamber. The first thermal link couples the pumping chamber to the cold member. During adsorption of the working fluid by the adsorption pump, a portion of the working fluid evaporates so as to cause the temperature within the pumping chamber to fall below the temperature of the cold member. | 01-08-2009 |
20090019862 | CRYOSTAT FOR STUDYING SAMPLES IN A VACUUM | 01-22-2009 |
20090019863 | Suspension Assembly for Mechanically Retaining a First Article by Bracing it Against a Second Article - A suspension assembly for mechanically retaining a first article by bracing it against a distant second article, includes a tensile rod that extends between first and second articles. At least one first surface is mechanically linked to the tensile rod, and at least one second surface mechanically linked to the first article. The first surface and said second surface are braced against one another by tension in the tensile rod, and have at least three separate points of contact between them. At least one of the first and second surfaces is non-planar, and at least one of the points of contact is provided by a part of the surface which is convex and non-planar. | 01-22-2009 |
20090126373 | ULTRA-RAPID FREEZING DEVICE AND METHOD - An ultra-rapid freezing device ( | 05-21-2009 |
20090183514 | Refrigerated Container for Super Frozen Temperatures - A refrigerated container and method capable of maintaining super frozen temperatures of about −50 degrees C. or less, includes container walls insulated to a value of at least about r-20, a cargo compartment configured for receiving cargo, and at least one refrigerant compartment configured for receiving refrigerant in the form of CO | 07-23-2009 |
20090188261 | Limiter for Limiting the Motion of Components in a Cryostat - A limiter is provided to limit the motion of components in a cryostat during transit. This permits the use of a support structure which minimises the disturbance to an insulating structure and thus reduces ingress of heat to the cryogen. Cryogen loss is reduced leading to lower operating costs. | 07-30-2009 |
20090193817 | METHOD FOR REFRIGERATING A THERMAL LOAD - The invention concerns a method for refrigerating one or more thermal loads which consists in providing a first CO2 source derived from a mechanical cold system, and in feeding one or more evaporators from said first source so as to cause the CO2 to evaporate thereby cooling said one or more thermal loads. The method is characterized in that it consists in providing a second CO2 source, consisting of a cryogenic storage of CO2, and in inputting CO2 from said second source, so that the flow rate of fluid feeding the evaporator(s) is a mixture of liquid CO2 derived from said first source and liquid CO2 derived from said second source. | 08-06-2009 |
20090193818 | Apparatus for Improved Precooling of a Thermal Radiation Shield in a Cryostat - A cryostat comprises a cryogen vessel housed within an outer vacuum container (OVC), a thermal radiation shield being located between an external surface of the cryogen vessel and an internal surface of the OVC. A decouplable thermal link arrangement is provided between an external surface of the cryogen vessel and an internal surface of the thermal radiation shield, being decoupled by action of an applied magnetic field. | 08-06-2009 |
20090241558 | COMPONENT COOLING SYSTEM - A component cooling system includes a component tank configured to receive a heat-generating device. The component tank is at least partially filled with a subcooled liquid at a first pressure and at a first temperature. A cryogenic system maintains the component tank at essentially the first temperature. The cryogenic system includes a heat exchange system thermally coupled with at least a portion of the component tank. The heat exchange system is at least partially filled with a second saturated liquid at a second pressure and at essentially the first temperature. A cryostat tank is fluidly-coupled with the heat exchange system and allows for pumpless displacement of the second saturated liquid between the heat exchange system and the cryostat tank. | 10-01-2009 |
20090249800 | LOW-TEMPERATURE-SLUSH-FLUID PRODUCING APPARATUS - A low-temperature-slush-fluid producing apparatus capable of achieving an increased weight solidification rate of slush fluid is provided. A low-temperature-slush-fluid producing apparatus includes a slush-fluid producing unit that includes a heat exchanger having a heat-transfer surface and disposed in a liquid-phase low-temperature fluid L stored in a container and scraping means for scraping a solid-phase low-temperature fluid formed on a surface of the heat-transfer surface; and a cryogenic-fluid generating unit for supplying into the interior of the heat-transfer surface a cryogenic fluid having a lower temperature than the liquid-phase low-temperature fluid L stored in the container. The low-temperature-slush-fluid producing apparatus is configured so that the flow rate and temperature of the cryogenic fluid flowing into the interior of the heat-transfer surface and the rotational speed or reciprocating speed of the scraping means can be adjusted based on the particle size of the solid-phase low-temperature fluid scraped by the scraping means. | 10-08-2009 |
20090293504 | REFRIGERATION INSTALLATION HAVING A WARM AND A COLD CONNECTION ELEMENT AND HAVING A HEAT PIPE WHICH IS CONNECTED TO THE CONNECTION ELEMENTS - The invention relates to a refrigerating arrangement ( | 12-03-2009 |
20090293505 | LOW VIBRATION LIQUID HELIUM CRYOSTAT - An extra-low vibration cryostat, which incorporates a cryocooler and cryostat to cool and house a vibration-sensitive device, with the cryocooler and cryostat sealed gas-tight to each other, but mechanically isolated, so that vibration from the cryocooler does not affect the device. | 12-03-2009 |
20090301104 | CONTAINER FOR CRYOGENIC LIQUIDS - A container for cryogenic liquids, comprising an evacuable outer container, wherein the outer container has a substantially flat base wall, a substantially flat ceiling wall and side walls. A support is arranged between inner containers, wherein the support is larger in the direction of the longitudinal axis of the inner container than in the direction between the inner containers and at right angles to the longitudinal axis of the inner container. | 12-10-2009 |
20100005813 | CRYOSTAT FOR AN ELECTRICAL POWER CONDITIONER - A cryostat for electric power conditioner comprising external walls ( | 01-14-2010 |
20100043454 | Turret Subassembly for use as Part of a Cryostat and Method of Assembling a Cryostat - A turret subassembly for use as part of a cryostat, the turret subassembly comprising a vent tube ( | 02-25-2010 |
20100050661 | Apparatus and methods for improving vibration isolation, thermal dampening, and optical access in cryogenic refrigerators - A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or cryo-cooler mounting surface. The thermal link is made of thermally conductive wires which connect the nested thermally insulated structure and the cryo-cooler thereby allowing the apparatus to reduce vibrations inherent in the operation of the cryo-cooler. | 03-04-2010 |
20100089073 | High temperature superconducting magnet - A high temperature superconducting (HTS) magnet coil disposed within a cryostat is configured with a thermo-siphon cooling system containing a liquid cryogen. The cooling system is configured to indirectly conduction cool the HTS magnet coil by nucleate boiling of the liquid cryogen that is circulated by the thermo-siphon in a cooling tube attached to a heat exchanger bonded to the outside surface of the HTS magnet coil. A supply dewar is configured with a re-condenser cryocooler coldhead to recondense boiloff vapors generated during the nucleate boiling process. | 04-15-2010 |
20100162731 | CRYOGENIC COOLING APPARATUS AND METHOD USING A SLEEVE WITH HEAT TRANSFER MEMBER - Cryogenic cooling apparatus comprises a chamber for containing coolant and a neck which opens into the chamber. A sleeve is provided which is located, when in use, within the neck. The apparatus includes a cooling element which is located exterior to the sleeve when the sleeve is in use. The sleeve comprises a heat transfer member adapted to cause the cooling element to remove heat from the interior of the sleeve through the use of heat transfer member. | 07-01-2010 |
20100199689 | CRYOSTAT OF SUPERCONDUCTING CABLE - A cryostat of a superconducting cable disclosed herein includes an inner metallic tube filled with liquid nitrogen and extended along the circumference of a core, an outer metallic tube surrounding the circumference of the inner metallic tube at a distance, a cooling vessel of a terminal connecting box connected to the inner metallic tube and filled with liquid nitrogen, an insulation tube surrounding the circumference of the cooling vessel at a distance, an inner bellows tube connecting an end of the outer metallic tube to the cooling vessel, and an outer bellows tube spaced apart from the inner bellows tube and connecting the end of the outer metallic tube to the insulation tube. | 08-12-2010 |
20100199690 | Refrigerator Isolation Valve - A cryogen vessel ( | 08-12-2010 |
20100212331 | CRYOPRESERVATION METHOD AND DEVICE - A device and method suitable for the cryopreservation of all types of biological cells is described. In this method, an ultra-fast cooling/warming device system is used to achieve vitrification of individual cells or cell suspensions without cryoprotectant agents (CPA) or with a low concentration of CPAs (<1M), to attenuate the formation of intracellular ice crystal formation during cooling, and to minimize devitrification during subsequent warming. The device system applies oscillating heat pipe (OHP) and nanofluid techniques, and is built through microfabrication. Several devices may be networked to increase the total volume of cell samples that the cryopreservation system can process simultaneously. | 08-26-2010 |
20100223935 | APPARATUS AND METHODS FOR FREEZING TISSUE SAMPLES FOR SECTIONING - Apparatus and methods for freezing a tissue sample in preparation of sectioning. Generally, the apparatus comprises a chuck and a tissue heat sink that are adapted to rapidly freeze a tissue sample before being sectioned in a cryostat. While the chuck and heat sink may be made of any suitable material, in some cases, the chuck and heat sink include copper, a copper alloy, bronze, or a bronze alloy. To keep the chuck and heat sink from tarnishing, they can be covered with a non-tarnishing coating material, such as tetrafluoroethylene. Additionally, in order to secure the tissue sample that is embedded in a cutting medium to the chuck, the chuck preferably includes one or more dovetail-shaped apertures, such as a dovetail-shaped groove. | 09-09-2010 |
20100236260 | Undercooled horizontal cryostat configuration - A cryostat configuration has a magnet coil system ( | 09-23-2010 |
20100242500 | THERMAL SWITCH FOR SUPERCONDUCTING MAGNET COOLING SYSTEM - The present invention provides an apparatus and method for automatically disconnecting a cryocooler from a cold mass reservoir of a MR system. A cryocooler thermal link includes a first end plate configured to be thermally connected to a cryocooler and a second end plate configured to be thermally connected to a cold mass. A wall encloses a space between the first and the second end plates, the wall having a first end attached to the first end plate and a second end attached to the second end plate. A working fluid is positioned in the space. | 09-30-2010 |
20100242501 | Cooling System - An energy efficient cooling system that employs liquid air in order to eliminate potentially harmful effects associated with some refrigerants with regard to both humans and the environment. The system includes an insulated container configured to contain liquid air at the appropriate low temperature so that it can remain in its liquefied state. The system further includes at least one air flow device, which may be a compressor and/or a fan. The system also includes a valve-controlled piping system for moving the cool air to an outlet, such as a duct system. Thereafter, the cool air may be distributed throughout a room, building or other area for which cooling is desired. | 09-30-2010 |
20100242502 | APPARATUS AND METHOD OF SUPERCONDUCTING MAGNET COOLING - A superconducting magnet assembly and method of cooling a superconducting magnet assembly includes thermally connecting a pulsating heat pipe to the superconducting magnet assembly and adding a liquid cryogen to the pulsating heat pipe. The superconducting magnet assembly also includes a coil former, at least one superconducting solenoid magnet comprising at least one superconducting winding wrapped about the coil former and configured to generate a magnetic field, and at least one pulsating heat pipe thermally connected to the at least one superconducting solenoid magnet. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims. | 09-30-2010 |
20100242503 | METHODS & APPARATUS FOR PROVIDING ROTATIONAL MOVEMENT AND THERMAL STABILITY TO A COOLED SAMPLE - A method of rotating a sample for use in a cryocooler, having the steps of mounting a sample in a sample mounting apparatus, the apparatus comprising a housing having an outer wall surface, an inner wall surface, a mount attached to the inner wall surface for supporting the sample, and a motor for rotating the sample, and an exchange gas to provide thermal communication between the moving sample and the inner housing surfaces; sealing the housing by applying a sealant to adjoining parts of the housing such that the joints are air tight; evacuating the housing; adding an inert gas to the housing; sealing the inert gas in the housing; attaching the outer wall surface of the housing to a cryocooler; and rotating the sample by engaging the motor. Also disclosed is a cryogenic apparatus having a sample holder; a cryo-cooler; a thermal link connecting the sample holder and the cryo-cooler; and a motor attached to the sample holder for rotating a sample. | 09-30-2010 |
20100251732 | APPARATUS AND METHOD FOR INTRODUCTION OF A MATERIAL INTO A CRYOGENIC SYSTEM - Provided is an apparatus and method for introducing a sample into a cryogenic system comprising, an airlock chamber, a sample path having a first end connected to the airlock chamber and a second end connected to a cryogenic helium bath, an equilibrator, inserted into the sample path and positioned between the airlock and the cryogenic bath and which allows for passage of a sample to the cryogenic helium bath, and a cooling unit to coupled to the equilibration to control the temperature of the equilibrator. A machine-readable medium, comprising instructions which when executed by a controller causes a sample to be positioned within the cryogenic system, is also provided. | 10-07-2010 |
20100281886 | SYSTEMS, DEVICES AND METHODS FOR FREEZING AND THAWING BIOLOGICAL MATERIALS - There are provided a system and a method for cryopreserving a liquid biological material disposed in a bag having a longitudinal axis. The system comprises a bag holder for holding the bag, so that the biological material therein has a surface area S, and a volume V, a tank containing a cryogenic fluid, a mechanism for the immersion of the bag holder into the tank along the longitudinal axis, an opening in the tank for insertion therethrough of the bag holder, and a guide member extending from the opening into the tank. There are further provided a system and a method for warming a cryopreserved liquid biological material disposed in a bag. The system comprises a heat source, a warming device having a space for placing the bag therein, connected to the heat source and adapted to transfer heat from the heat source to the bag, and means for maintaining the heat source in heat transfer contact with a cryogenically preserved portion of the material to allow receiving the heat by said cryogenically preserved portion. | 11-11-2010 |
20100313579 | SYSTEM AND METHOD FOR WHOLE-BODY CRYOTHERAPY - The present invention relates to a system, and to a method for installation of the system, for whole-body cryotherapy applicable to humans or animals at a temperature of the order of −110° C. According to the invention, the treatment chamber and the refrigerating elements, or at least one of these two elements, are mounted on at least one mobile or transportable self-supporting structure, in a way that permits use from the self-supporting structure. It also relates to a whole-body cryotherapy system equipped with pre-chambers at intermediate temperatures, defining a modifiable or removable two-way path between the treatment chamber and the outside, and including elements for local cryotherapy. It also relates to such a system divided into several separable modules. | 12-16-2010 |
20110005238 | METHODS AND APPARATUS FOR DEWAR AND COLD SHIELD ASSEMBLIES - A Dewar apparatus includes a focal plane array (FPA) component coupled to an FPA carrier, and a cold bridge coupled to the FPA carrier. A cold shield is aligned with the optical axis and coupled to the cold bridge (e.g., via a direct-metal bond), and at least one cryostat enclosure is similarly coupled to the cold bridge such that it has an axis that is noncollinear with the optical axis. | 01-13-2011 |
20110005239 | THERMAL INTERFACE HAVING IMPROVED HIGH-TEMPERATURE OPERATING RANGE - A cryostat includes a thermal interface located at a first end and a cryocooler located at a second end. A thermal link has a thermal connector thermally linking the thermal interface and the cryocooler below a critical temperature. The thermal link is separated from one of the thermal interface and the cryocooler above the critical temperature. A method of operating the cryostat is also disclosed. | 01-13-2011 |
20110011102 | CRYOGENICALLY COOLED SUPERCONDUCTOR RF HEAD COIL ARRAY AND HEAD-ONLY MAGNETIC RESONANCE IMAGING (MRI) SYSTEM USING SAME - A cryogenically-cooled superconducting RF head-coil array which may be used in whole-body MRI scanners and/or in dedicated, head-only MRI systems. An RF head-coil array module may comprise a vacuum thermal isolation housing comprising a double wall hermetically sealed jacket that (i) encloses a hermetically sealed interior space under a vacuum condition, and (ii) substantially encloses an interior chamber region that is separate from the hermetically sealed interior space and is configured to be evacuated to a vacuum condition. A plurality of superconductor radiofrequency coils are disposed in the interior chamber region, and each radiofrequency coil is configured for at least one of generating and receiving a radiofrequency signal for at least one of magnetic resonance imaging and magnetic resonance spectroscopy. At least one thermal sink member may be disposed in the interior chamber region and in thermal contact with the superconductor radiofrequency coils. A port is configured for cryogenically cooling the thermal sink members. | 01-20-2011 |
20110041520 | CRYOSTAT AND BIOMAGNETIC MEASUREMENT SYSTEM WITH RADIOFREQUENCY SHIELDING - An inventive cryostat for use in a biomagnetic measurement system. The cryostat comprises at least one inner vessel and at least one outer vessel, and at least one cavity arranged between the inner vessel and the outer vessel, wherein negative pressure can be applied to the cavity. At least one radiation shield for shielding the cryostat from electromagnetic radiation is housed in the cavity. The cryostat furthermore comprises at least one ground lead for connecting the radiation shield to an electrical ground or earth. The ground lead is connected to the radiation shield in the cavity. The cryostat has at least one electrical feed-through, by means of which the ground lead can be contacted electrically from an outer side of the cryostat through the outer vessel. | 02-24-2011 |
20110056218 | Quench Energy Dissipation for Superconducting Magnets - An energy dissipation arrangement for a cryogenically cooled superconductive magnet comprising a plurality of superconductive coils ( | 03-10-2011 |
20110100027 | Cooling device for cryogenic cooling of an NMR detection system with the assistance of a container filled with a cryogenic fluid - A cryo probe head for the transmission/reception of RF signals for NMR measurements with a heat exchanger ( | 05-05-2011 |
20110120147 | Pressurized Superfluid Helium Cryostat - In a pressurized superfluid helium cryostat, a first flow rate control valve and a preliminary cooler are installed between a liquid helium inlet at a bottom portion of a 4.2K liquid helium bath and a J-T valve which is a second flow rate control valve. The preliminary cooler is cooled by depressurization by a vacuum pump. The liquid taken in from the 4.2K liquid helium bath is cooled to a temperature of the preliminary cooler by J-T expansion in the first flow rate control valve, and stored in the preliminary cooler. The liquid helium in the preliminary cooler can be cooled below 2.2K, and further subjected to J-T expansion in the J-T valve. By installation of the preliminary cooler, the efficiency of the superfluid cooler can be increased as compared to a conventional type. | 05-26-2011 |
20110120148 | CRYOPRESERVATION DEVICE - A cryopreservation device of the present invention includes: a cryopreservation vessel; a house which houses the cryopreservation vessel; and a handling robot provided on the house, wherein the cryopreservation vessel comprises a vessel body which holds a low-temperature liquefied gas, a cap which closes an opening section of the vessel body and has a plurality of insertion holes formed to pass through in a vertical direction, and ampoule storing tools which are housed so as to be able to pass through the insertion holes of the cap, in which the ampoule storing tools are each comprised of a support pillar and a plurality of ampoule storing sections which are attached to the support pillar so as to be arrayed in a vertical direction of the support pillar, and an ampoule-putting-in/out work hole is formed in the cap so as to pass through in a vertical direction. | 05-26-2011 |
20110179809 | COOLING SYSTEM AND METHOD FOR SUPERCONDUCTING MAGNETS - A method for cooling a superconducting magnet enclosed in a cryostat of a magnetic resonance imaging system comprises introducing a gas into a cooling path in the cryostat from an input portion outside the cryostat. A heat exchanger in the cooling path is cooled by a refrigerator outside the cryostat. The gas at the heat exchanger is cooled as a cold gas or is condensed at the heat exchanger into a liquid cryogen. The cold gas or liquid cryogen from the heat exchanger flows through at least a connection tube to a magnet cooling tube, which is in thermal contact with the superconducting magnet. Heat from the superconducting magnet is removed by warming the cold gas into warm gas or by the boiling the liquid cryogen into boiled-off gas. The warm gas or boiled-off gas is transmitted back to the heat exchanger to re-cool the warm gas or re-condense the boiled-off gas for further cooling the superconducting magnet to a superconducting temperature. The input portion is closed to make the cooling path as a closed-loop for maintaining the superconducting magnet below the superconducting temperature. | 07-28-2011 |
20110271694 | Low-loss cryostat configuration - A cryostat configuration ( | 11-10-2011 |
20110302933 | STORAGE AND SUPPLY SYSTEM OF LIQUEFIED AND CONDENSED HYDROGEN - A hydrogen storage and supply system comprises a storage vessel containing a liquefied or condensed hydrogen in sufficient contact with a catalyst inside the vessel. The storage vessel comprises an inner tank, an outer jacket, a vacuum insulation between said inner tank and outer jacket, and a catalyst disposed inside the inner tank, wherein the catalyst is capable of converting para-hydrogen to ortho-hydrogen at temperatures between about 20° K to about 80° K. A process of storing and supplying hydrogen using the system is also disclosed. | 12-15-2011 |
20120031110 | CRYOGENIC REFRIGERATOR COUPLING STRUCTURE - For providing a refrigerator coupling structure for enabling attaching/detaching and re-cooling of the refrigerator in a short time-period, by suppressing a heat movement from the refrigerator at the room temperature to an object to be cooled, which is cooled down to cryogenic temperature when attaching a cryogenic refrigerator thereon, while suppressing a volume of heat invasion into the object to be cooled, it has a heat contact portion having a flexible portion at least in a part thereof, which is coupled with a cold stage of the cryogenic refrigerator | 02-09-2012 |
20120036870 | Method of both cooling and maintaining the uniform temperature of an extended object - A general method of cooling and maintaining the uniform temperature of an extended structure is provided with specific application discussed of keeping a superconducting coil at cryogenic temperatures in the presence of external heat loads that may be variable in space and time. The approach embeds the structure to be cooled ( | 02-16-2012 |
20120055172 | ARRANGEMENT WITH AT LEAST ONE SUPERCONDUCTIVE CABLE - An arrangement with at least one superconductive cable ( | 03-08-2012 |
20120255313 | Method And Scalable Devices For Hyper-Fast Cooling - A method for fast cooling of samples comprises: pressurizing a liquid coolant source; securing a sample in a sample container; securing the sample container onto an insertion mechanism; with the insertion mechanism outside a cryogenic cooling chamber, inserting the sample container into the cryogenic cooling chamber through an opening of the cooling chamber; locking the insertion mechanism and securing the sample container in place some distance away from a cooling head, but within range of a continuous stream of pressurized liquid coolant; cooling the sample by spraying the sample container with a continuous stream of pressurized liquid coolant; and retrieving the sample container after cooling. | 10-11-2012 |
20120297797 | PORTABLE CRYOGENIC CONTAINER - The invention relates to a portable personal cryogenic container for carrying materials at low temperatures, and more particularly for carrying cryogenically preserved materials. The cryogenic container can be formed from an external shell assembly having multiple parts, where the parts are interlocked to support an inner container. An elongate receptacle holding preserved materials may be supported in the inner container alongside cryogenic fluids for maintaining cryopreserved materials. | 11-29-2012 |
20130008187 | Cryostat configuration - A cryostat configuration with a vacuum vessel ( | 01-10-2013 |
20130047633 | APPARATUS AND METHOD FOR INTRODUCTION OF A MATERIAL INTO A CRYOGENIC SYSTEM - Provided is an apparatus and method comprising, an airlock chamber; a cryogenic chamber; an equilibrator positioned between the airlock chamber and the cryogenic chamber that is configured to allow for the passage of a sample along to the cryogenic chamber; and a cooling unit that is thermally coupled to the equilibrator. Collectively, the airlock chamber, equilibrator, and the cryogenic chamber define a travel path. A machine-readable medium, comprising instructions which when executed by a controller causes a sample to be cooled, is also provided. | 02-28-2013 |
20130174584 | SUPERCONDUCTIVE CABLE - A superconductive cable which has a cryostat with two concentric metal pipes where the cryostat has at least a first axial section with a first axial spring constant, and at least a second axial section which has a second axial spring constant which at most is 20%, more preferred at most 10%, of the axial spring constant of the first section. | 07-11-2013 |
20130186110 | Auxiliary Cryogenic Cooling Systems Based on Commercial Cryo-Coolers - A novel apparatus and method for distributing the cooling capacity provided by a commercial cryo-cooler. The cryo-cooler is connected to a first application housed in a first cryostat. A second application is provided—typically in a second cryostat. A heat exchanger is added to the first application. Circulating gas lines connect this heat exchanger to the second application contained in the second cryostat. Helium is circulated in the gas lines, with the flow of the helium being regulated so that it may be throttled between a zero flow condition and a maximum flow condition. The circulating helium gas transfers some of the available cooling capacity from the first application to the second application. This circulation regulates the temperature of both applications. | 07-25-2013 |
20130192274 | ULTRA-LOW VIBRATION CRYOGEN-FREE CRYOSTAT FOR AN ELECTRON PARAMAGNETIC RESONANCE SYSTEM - A closed cycle cryocooler is thermally connected to an elongated, cup-shaped sample well and cools down the sample well. Gaseous helium at a relatively low pressure is introduced into the sample well so that, as the sample well is cooled by the cryocooler, the gas in the sample well is also cooled. A sample is attached to a sample stick assembly which is then lowered into the sample well where the sample is cooled by the cooled gas to carryout experiments at low temperature. The sample stick assembly is mechanically attached to the spectrometer magnets and a flexible rubber bellows connects the sample stick assembly to the sample well so that vibration generated by the cryocooler is not transferred to the sample. | 08-01-2013 |
20130192275 | IDCA FOR FAST COOLDOWN AND EXTENDED OPERATING TIME - Systems, methods, and devices for integrated detector cooler assemblies (IDCAs) and multi-circuit cryostats are discussed herein. Solutions include using cryostats with multiple cooling circuits. Some cryostat variations may include a rapid cooldown circuit and a temperature maintenance circuit. In some cases, the temperature maintenance circuit may be a closed-loop circuit run by a compressor instead of an open-loop circuit run on a pressurized gas bottle/cartridge. Variations of a cryostat may also include a gas expander portion that replaces the coldfinger of typical IDCAs. Further variations of cooling circuits may include circuits that perform reverse-flow heat exchange to pre-cool incoming refrigerant and also cooling circuits that have heat bridges disposed thereon to assist in such heat exchange. | 08-01-2013 |
20130232998 | VERTICAL STORAGE RACK FOR COLD STORAGE UNITS - A cold storage unit such as a cryogenic dewar includes a tank with an opening, a storage space communicating with the opening, and a pool for liquid nitrogen positioned adjacent the storage space. The storage space receives a plurality of storage racks, each including a rack body with a rear wall and first and second sidewalls extending from the rear wall. The storage rack also includes a plurality of shelves, each shelf defined by a first lip punched from the first sidewall and a second lip punched from the second sidewall, the first and second lips being bent towards one another and spaced from one another. The shelves minimize the material and weight used in manufacturing the storage rack. Additionally, the storage rack is assembled with minimal spot welding required. | 09-12-2013 |
20130298573 | APPARATUS FOR COMPENSATING LONGITUDINAL CHANGES IN SUPERCONDUCTIVE CABLES - An apparatus for guiding a cryostat for the compensation of thermal contraction, particularly of a cryostat, which contains along its inner volume a cable core with a superconductor, which particularly preferred is secured stationary to the ends of the cryostat, wherein the cryostat has in a section an arc-shape configuration and is movably guided essentially exclusively perpendicular to its longitudinal axis. | 11-14-2013 |
20140013778 | THERMAL INSULATION TECHNIQUE FOR ULTRA LOW TEMPERATURE CRYOGENIC PROCESSOR - Systems and methods are disclosed to provide a cryogenic processor apparatus with an outer housing; an inner housing coupled to the external housing to define a vacuum region there between; and material disposed in the vacuum region to provide redundant insulation and structural support at a cryogenic temperature. | 01-16-2014 |
20140053576 | METHODS AND APPARATUS FOR FILLING SUPERCONDUCTIVE MAGNETS - A method and apparatus for filling superconductive magnets is disclosed by using gaseous helium to control the flow of liquefied helium from a container to a magnet. By measuring the pressure of the gaseous helium in the container of liquefied helium, it can be determined when to stop the flow of liquefied helium. This can reduce quenches and helium losses which can occur during the transfer of liquid helium from the dewar to the superconductive magnet. | 02-27-2014 |
20140069119 | Method and Scalable Devices for Hyper-Fast Cooling and Warming - The present invention, in some embodiments thereof, relates to a method and scalable devices for hyperfast cooling and re-warming of samples. More specifically, it relates to cryogenic preservation of biological samples via vitrification. It includes: a liquid sample placed at ambient temperature in a flat thermo conductive container that in some embodiments additionally contains a detachable disposable or sterilizable thermo conductive spiral; transferring the sample to a cooling chamber using a linear percussion stepping motor drive; hyperfast cooling of the sample using streams of pressurized liquid coolant; transferring the sample to a detachable shipping/storage chamber filled with liquid coolant, from which the sample can be transferred to another vessel that contains liquid cryogenic coolant and moved back to the shipping/storage chamber. This chamber can be then attached to a re-warming chamber, in which the sample is heated to a biologically tolerant temperature above 0 degrees Celsius in a hyperfast manner. | 03-13-2014 |
20140283530 | Method for cryogenic cooling of an NMR detection system with the assistance of a container filled with a cryogenic fluid - A method for the transmission/reception of RF signals for NMR measurements uses a heat exchanger ( | 09-25-2014 |
20140345298 | LIQUID NITROGEN COOLING SENSOR DEVICE CONTAINER AND LIQUID NITROGEN COOLING SENSOR DEVICE - The invention relates to a liquid nitrogen cooling sensor device container and liquid nitrogen cooling sensor equipment, and effectively reduces low-frequency noise while maintaining the ease with which a probe can be inserted in and removed from liquid nitrogen. Said invention comprises: a liquid nitrogen containing insulating container that contains liquid nitrogen; a sensor fixing member which has a distal end portion to which a sensor operating at a temperature of the liquid nitrogen is attached; and a fixing buffer member which is for fixing the sensor fixing member to the liquid nitrogen containing insulating container, wherein the fixing buffer member exerts a buffering effect in the liquid nitrogen. | 11-27-2014 |
20150007586 | Method for reconfiguring a cryostat configuration for recirculation cooling - A method for converting a cryostat configuration ( | 01-08-2015 |
20150007587 | DEVICE FOR COOLING A SUPERCONDUCTING MACHINE - A device for cooling a superconducting machine is disclosed, including a storage vessel which receives condensed coolant and from which the coolant can be fed via a pipe to the machine, wherein the storage vessel has a storage region and an evaporator region, which is separated from the former, with a heat source which continuously has a temperature above the boiling point of the coolant. The evaporator region is connected via a curved overflow pipe to the storage region in such a way that, when a defined coolant filling level is reached in the storage region, coolant flows via the overflow pipe automatically into the evaporator region and evaporates there. | 01-08-2015 |
20150082813 | ASSEMBLY FOR THERMAL INSULATION OF A MAGNET IN A MAGNETIC RESONANCE APPARATUS - An assembly for thermal insulation of an MR magnet system during such a transport has a container for accommodating an MR magnet, the container being equipped with thermal insulation, and the container has an opening for accommodating a cooling unit. The assembly further has a protective cap, such that the opening is sealed in a reversible manner by the protective cap, and the protective cap is likewise equipped with thermal insulation. | 03-26-2015 |
20150135731 | Closed-Cycle Cryogenic Refrigeration System - A multi-stage closed-cycle cryogenic refrigeration system is disclosed. The system includes an adsorption refrigerator having a multi-chambered pump unit that can be flexibly configured in the context of the cryogenic refrigeration system resulting in a more efficient design that has a smaller overall size than prior systems and other advantages. | 05-21-2015 |
20150135732 | CRYOGENIC THERMAL STORAGE - A method, a system, and an article of manufacture are disclosed for cryogenic cooling of systems operating at cryogenic temperatures or higher. Applications of this disclosure are as varied as trucking of meat and vegetable to mine sweeping and MRI systems. A cooling network is formed by coupling blocks of Thermal Energy Storage (TES) modules together with optional thermal switches or valves and optionally with an active cooling component to maintain a cryogenic temperature in a cryostat. The TES modules are combinations of thermal conducting elements to conduct heat and solid storage elements to absorb heat. The cooling component may be one or more cryocoolers for steady state and transient heat transfer conditions and may be coupled with the TES modules via thermal shunt connections. The thermal switches or valves may be deployed within the thermal shunts to control the flow of heat between different TES modules and cooling components, thus reconfiguring the cooling network. | 05-21-2015 |
20150332830 | APPARATUS FOR THERMAL SHIELDING OF A SUPERCONDUCTING MAGNET - A thermal shield for a superconducting magnet includes a shield body having an annular shape. The shield body includes a material having a thermal conductivity greater than about 1000 W/m·K at about 70K. | 11-19-2015 |
20150338151 | ULTRA-LOW-TEMPERATURE DEVICE AND METHOD FOR REFRIGERATING OBJECT TO BE REFRIGERATED USING THE SAME - Provided is an ultra-low-temperature device that enables the cold head of a refrigeration device to be coupled in a detachable manner so as to be capable of highly efficient heat transfer with respect to an object being cooled, while effectively suppressing the infiltration of heat into the object being cooled. This ultra-low-temperature device is equipped with; a cooled object container ( | 11-26-2015 |
20150354865 | MRI COOL DOWN APPARATUS - A means and a method to cool down an MRI magnet, in a cryostat that is designed for a maximum pressure of about 0.2 MPa, are described which use cold helium output from a Brayton cycle refrigerator at a pressure of about 0.8 MPa to exchange heat with helium in the MRI cryostat in a coupling heat exchanger that is located removeably in or proximate the neck tube of the MRI cryostat. A circulator drives helium from the MRI cryostat through the coupling heat exchanger. | 12-10-2015 |
20160061382 | IMPROVED THERMAL CONTACT BETWEEN CRYOGENIC REFRIGERATORS AND COOLED COMPONENTS - An arrangement for mounting a two stage cryogenic refrigerator ( | 03-03-2016 |
20160084440 | Automatic thermal decoupling of a cold head - A cryostat has a cooling arm with a first thermal contact surface which can be brought into thermal contact with a second thermal contact surface on an object to be cooled. A hollow volume ( | 03-24-2016 |
20160084537 | COOLING DEVICE - A cooling device for cooling a detector element disposed in a jacket cavity of a Dewar vessel uses a Joule-Thomson cooler with an expansion nozzle that opens into an expansion chamber. The cooling device includes a final control element that is adjustable depending on temperature for influencing the flow through the expansion nozzle. A first temperature sensor is disposed in the expansion chamber and a second temperature sensor is disposed within the Dewar vessel outside the expansion chamber. The cooling device includes a control device that is configured for detecting a temperature gradient from sensor values of the first temperature sensor and of the second temperature sensor and for adjusting the final control element depending on the detected temperature gradient. | 03-24-2016 |
20160163439 | STRUCTURAL SUPPORT FOR CONDUCTION-COOLED SUPERCONDUCTING MAGNETS - A method, a system, and an article of manufacture are disclosed for a structure to support and thermally insulate superconducting magnets, which need to be cooled and kept cool at very low temperatures while also allowing rotational and translational movement of the magnet and/or magnet system without bending or otherwise deforming the support structure. In various embodiments, the support structure is placed within a vacuum vessel to substantially reduce or eliminate convection heat transfer. The support structure is further coupled with the superconducting magnet via enclosing structural components having sufficient second moment of inertia to resist bending forces, at least some of the enclosing structural components being made of low-heat conducting material, while at least some of the other enclosing structural components having reflective surfaces to reduce or eliminate radiation heat loss. | 06-09-2016 |
20160176628 | METHOD AND APPARATUS FOR SHIPPING AND STORAGE OF CRYOGENIC DEVICES | 06-23-2016 |
20170236627 | Superconducting Current Pump | 08-17-2017 |