Abstract: A method of manufacturing a lead assembly of a cryogenic system is provided. The method includes developing a three-dimensional (3D) model of a heat exchanger. The heat exchanger includes a plurality of channels extending longitudinally through the heat exchanger from the first end to the second end, the plurality of channels forming a plurality of thermal surfaces within the heat exchanger, the heat exchanger having a transverse cross section. The method further includes modifying the 3D model by at least one of reducing an area of the cross section and increasing the plurality of thermal surfaces. The method also includes additively manufacturing the heat exchanger using an electrically-conductive and thermally-conductive material according to the modified 3D model. Further, the method includes providing a high temperature superconductor (HTS) assembly that includes an HTS strip, and connecting the HTS assembly to the heat exchanger at the second end of the heat exchanger.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed herein that include a cryogenic pump system comprising: a cryogenic liquid tank; a cryogenic pump including a suction adapter, the suction adapter connected to the cryogenic liquid tank via a liquid supply line and a gaseous return line; and a phase separator connected downstream of the cryogenic liquid tank and upstream of the cryogenic pump, the phase separator including a filtration structure integrated into the liquid supply line to separate vapor from cryogenic liquid, the phase separator connected to the gaseous return line to direct the vapor to the cryogenic liquid tank.

Abstract: A cryogenic system includes a cryogenic tank containing a liquid cryogen and a vacuum vessel surrounding the cryogenic tank and providing a vacuum space between an inner surface of the vacuum vessel and an outer surface of the cryogenic tank. The cryogenic system further includes a suspension system arranged within the vacuum space so as to support the cryogenic tank within the vacuum vessel and to maintain the cryogenic tank within the vacuum vessel in a desired position. The suspension system includes a plurality of roller elements arranged within the vacuum space and contacting the inner surface of the vacuum vessel and the outer surface of the cryogenic tank.

Abstract: The present disclosure relates to a cooling system that includes a superconducting unit and a reservoir configured to store liquid coolant to cool the superconducting unit. The cooling system also includes an auxiliary storage system that includes one or more storage tanks fluidly coupled to the reservoir. The auxiliary storage system is configured to provide additional coolant to the reservoir as well as receive and store coolant from the reservoir.

Abstract: A superconducting generator includes an annular armature connectable to rotate with a rotating component of a wind turbine. A stationary annular field winding is coaxial to the armature and separated by a gap from the armature. The field winding includes superconducting coils, and there is a non-rotating support for the field winding. The non-rotating support is a torque tube. The torque tube is a member formed of a composite material, or a member formed of a plurality of segmented sections, a space frame or strut torque carrying assembly. The torque tube is connected to a thermal shield casing or a field winding housing.

Abstract: An aircraft including a fuselage, a power generator configured to provide power to the aircraft, and at least one fuel tank for holding fuel for the power generator, and a fuel delivery assembly. The fuel tank is positioned in the fuselage and is configured to hold hydrogen fuel in a liquid phase. The fuel tank has a chamber for holding the hydrogen fuel and a fuel extraction line fluidly coupled to the chamber. The fuel extraction line extends from the fuel tank in a forward direction of the fuselage and at a downward angle relative to a centerline of the fuselage. The fuel delivery assembly is fluidly coupled to the fuel extraction line and fluidly connects the fuel tank to the power generator. The fuel delivery assembly is configured to provide the hydrogen fuel from the fuel tank to the power generator.

Abstract: Methods systems and apparatus are set forth herein. There is provided in one embodiment determining one or more body physiological parameter of a patient based on one or more input; and controlling a heating system for warming the patient based on a result of the determining.

Abstract: An electric machine including an annular armature assembly and a non-rotating annular field winding assembly coaxial with the armature assembly and separated by a gap from the armature assembly. The field winding assembly including a field coil support structure having an annular array of recesses formed therein and extending about the field coil support structure. The field winding assembly further including a plurality of superconducting coils, each disposed in a recess of the annular array of recesses. A generator and a method for generating electrical power are disclosed.

Abstract: A cryogenic transfer line assembly and cryogenic transfer line coupling for a cryostat is presented. The cryogenic transfer line assembly includes an induction tube communicatively coupled to a cryostat, a cryogenic transfer line having defined as a portion thereof a second portion of a bayonet coupling and a cryogenic transfer line coupling, The cryogenic transfer line coupling communicatively couples the induction tube and the cryogenic transfer line and has defined as a portion thereof a first portion of the bayonet coupling and a gate valve. The gate valve prevents the ingress of environmental air passing through the first portion of the bayonet coupling to a cryogenic fluid disposed within a cryogenic vessel of the cryostat upon disengagement of the cryogenic transfer line from the cryogenic transfer line coupling.

Abstract: A wind turbine is presented. The wind turbine includes a rotor having a plurality of blades. The wind turbine further includes a shaft coupled to the rotor. Moreover, the wind turbine includes a superconducting generator coupled to the rotor via the shaft. The superconducting generator includes an armature configured to be rotated via the shaft. The superconducting generator further includes a stationary field disposed concentric to and radially outward from the armature.

Abstract: The present disclosure relates to a cooling system that includes a superconducting unit and a reservoir configured to store liquid coolant to cool the superconducting unit. The cooling system also includes an auxiliary storage system that includes one or more storage tanks fluidly coupled to the reservoir. The auxiliary storage system is configured to provide additional coolant to the reservoir as well as receive and store coolant from the reservoir.

Abstract: A superconducting generator includes an annular armature connectable to rotate with a rotating component of a wind turbine. A stationary annular field winding is coaxial to the armature and separated by a gap from the armature. The field winding includes superconducting coils, and there is a non-rotating support for the field winding. The non-rotating support is a torque tube. The torque tube is a member formed of a composite material, or a member formed of a plurality of segmented sections, a space frame or strut torque carrying assembly. The torque tube is connected to a thermal shield casing or a field winding housing.

Abstract: A method of manufacturing a lead assembly of a cryogenic system is provided. The method includes developing a three-dimensional (3D) model of a heat exchanger. The heat exchanger includes a plurality of channels extending longitudinally through the heat exchanger from the first end to the second end, the plurality of channels forming a plurality of thermal surfaces within the heat exchanger, the heat exchanger having a transverse cross section. The method further includes modifying the 3D model by at least one of reducing an area of the cross section and increasing the plurality of thermal surfaces. The method also includes additively manufacturing the heat exchanger using an electrically-conductive and thermally-conductive material according to the modified 3D model. Further, the method includes providing a high temperature superconductor (HTS) assembly that includes an HTS strip, and connecting the HTS assembly to the heat exchanger at the second end of the heat exchanger.

Abstract: An annular field of a superconducting generator includes a partial cryogenic shielding assembly and a superconducting field winding surrounded by a thermal shield. The thermal shield is surrounded by a housing defining an insulating vacuum enclosure. The annular field includes a torque tube assembly disposed within the housing and coupling the thermal shield to the housing. A blanket of multi-layer thermal insulation is disposed within the vacuum enclosure, extending generally between the housing and the thermal shield. The annular field further includes a partial cryogenic shielding assembly including a floating shield disposed within the vacuum enclosure, between the housing and the thermal shield. The floating shield extends only a portion of an overall length of the housing. The floating shield includes an insulative stack of multi-layer thermal insulation. A superconducting generator and a wind turbine utilizing the superconducting generator with improved partial shielding are disclosed.

Abstract: A wind turbine is presented. The wind turbine includes a rotor having a plurality of blades. The wind turbine further includes a shaft coupled to the rotor. Moreover, the wind turbine includes a superconducting generator coupled to the rotor via the shaft. The superconducting generator includes an armature configured to be rotated via the shaft. The superconducting generator further includes a stationary field disposed concentric to and radially outward from the armature.

Abstract: A cryocooler assembly including at least one remotely driven cryocooler operable between an ON-state of operation and an OFF-state of operation and defining a first stage of the cryocooler assembly. A liquefaction cup in fluidic communication with a cryogenic fluid reservoir, wherein a plurality of conduits thermally couple the liquefaction cup to the fluid reservoir and define a second stage of the cryocooler assembly. The cryocooler assembly further including one or more of a valve, a gas/liquid switch, an actuating support arm and a heat pipe coupled to the second stage of the cryocooler assembly to remotely disconnect a heat path generated by the at least one remotely driven cryocooler between the first stage and the second stage during the OFF-state of operation. A superconducting generator including at least one remotely driven cryocooler assembly and method of operating a cooling assembly for a superconducting generator utilizing at least one remotely driven cryocooler assembly are disclosed.

Abstract: A cryogenic transfer line assembly and cryogenic transfer line coupling for a cryostat is presented. The cryogenic transfer line assembly includes an induction tube communicatively coupled to a cryostat, a cryogenic transfer line having defined as a portion thereof a second portion of a bayonet coupling and a cryogenic transfer line coupling, The cryogenic transfer line coupling communicatively couples the induction tube and the cryogenic transfer line and has defined as a portion thereof a first portion of the bayonet coupling and a gate valve. The gate valve prevents the ingress of environmental air passing through the first portion of the bayonet coupling to a cryogenic fluid disposed within a cryogenic vessel of the cryostat upon disengagement of the cryogenic transfer line from the cryogenic transfer line coupling.

Abstract: An annular field of a superconducting generator includes a partial cryogenic shielding assembly. The annular field has a superconducting field winding surrounded by a thermal shield. The thermal shield is surrounded by a housing defining an insulating vacuum enclosure. The annular field further includes a torque tube assembly disposed within the housing and coupling the thermal shield to the housing. A flexible blanket of multi-layer thermal insulation is disposed within the vacuum enclosure, generally surrounding the thermal shield and extending generally between the housing and the thermal shield. The annular field further includes a partial cryogenic shielding assembly including a floating shield disposed within the vacuum enclosure, between the housing and the thermal shield. The floating shield extends only a portion of an overall length of the housing. The floating shield includes an insulative stack of multi-layer thermal insulation.

Abstract: A cooling system, an apparatus for producing hyperpolarized samples, where the apparatus includes the cooling system, and a method for assembling and using the cooling system are disclosed. The cooling system includes a cryogenic chamber, a cooling plate, a sample sleeve, a thermal switch, and an interposer. Also, the cryogenic chamber includes a cryogenic fluid and the cooling plate is disposed in the cryogenic chamber, in contact with the cryogenic fluid. Further, the sample sleeve is configured to receive a sample. The sample sleeve is at least partially inserted in the cryogenic chamber. The thermal switch is disposed between the cooling plate and the sample sleeve. Moreover, the interposer is disposed between at least one of (i) the thermal switch and the cooling plate and (ii) the thermal switch and the sample sleeve. The interposer includes a gallium indium tin alloy.

Abstract: A superconducting magnet apparatus includes a plurality of superconducting magnet coil sections connected in series and housed within a cryogenically cooled, vacuum container. A power source generates a current. A first lead is electrically connected to the superconducting magnet coil sections. A second lead is enclosed entirely within the vacuum container. The second lead has a first section and a second section, and the first section is electrically connected to the power source. The second section is electrically connected to the first lead, and rigidly connected to a linear displacement device enclosed entirely within the vacuum container. The linear displacement device linearly displaces the second section relative to the first section, so that the first section contacts the second section thereby electrically connecting the first and second sections, or by creating a gap between the first section and second section thereby electrically disconnecting the first section from the second section.