Class / Patent application number | Description | Number of patent applications / Date published |
310055000 | Nonatmospheric gas | 16 |
20090309433 | MULTI PHASE GENERATOR WITH FREQUENCY ADAPTATION UNIT - A hydrogen cooled generator having an axis and a plurality of phases comprises a main casing section enclosing a stator with windings; a casing end section; at least one end winding disposed in the casing end section; a toroidal duct formed on at least one of the casing end section and the main casing section having a bottom wall and two side walls, wherein at least one of the bottom wall and the two side walls shares a wall of the casing end section so as to form a common wall; and at least one bushing penetrating the common wall and inclined towards the axis of the generator, the at least one bushing having a first end connected to the at least one end winding and a second end terminating in the toroidal duct. | 12-17-2009 |
20090309434 | MULTI PHASE GENERATOR ARRANGEMENT - A hydrogen cooled generator having an axis and more than three phases, the generator comprises a main casing section enclosing a stator with windings; a casing end section; at least one end winding disposed in the casing end section; a toroidal duct formed on at least one of the casing end section and the main casing section having a bottom wall and two side walls, wherein at least one of the bottom wall and the two side walls shares a wall of the casing end section so as to form a common wall; at least one bushing penetrating the common wall and inclined towards the axis of the generator so as to form an inclination, the at least one bushing having a first end connected to the at least one winding and a second end terminating in the toroidal duct. | 12-17-2009 |
20100148601 | SUPERCONDUCTING ROTATING MACHINE HAVING COOLER FOR ROTATOR - A superconducting rotating machine having a cooler for a rotator is provided. The superconducting rotating machine includes a rotator wound with a superconducting coil, a stator enclosing the rotator and separated therefrom by a predetermined gap, the cooler having a cold head directly attached to the rotator and at least one compressor connected with the cold head, and a flexible coupling disposed between the cold head and the compressor and enabling a cryogenic refrigerant to flow therein. The cold head is directly connected to the rotator, and the cold head and the compressor are driven using the flexible coupling, so that it is possible to prevent vibration of the compressor and enhance cooling efficiency by thermally separating the cryogenic cold head from the compressor. | 06-17-2010 |
20100187921 | SCAVENGING CONCEPT FOR A HYDROGEN COOLED GENERATOR - A hydrogen cooled generator assembly includes a hydrogen cooled generator and a fundament, wherein the generator is mounted on the fundament, and wherein the fundament includes at least one cavity underneath the generator. The at least one cavity includes at least one terminal box disposed adjacent to the generator and extending downward from the generator for collection of a plurality of electrical links from the generator; at least one collection box disposed beneath the at least one terminal box having a top wall and a first and a second side wall and configured to guide the plurality of electrical links from the at least one terminal box in a further downward direction; a lateral space; and a seal plate covering the lateral space at an upper end of the lateral space. | 07-29-2010 |
20100264761 | Coil for a rotating electrical machine - A gas treatment machine includes a main gas treatment circuit, connected to a gas compression chamber, a gas compressor, mounted in the compression chamber, a rotating electrical machine, for driving the gas compressor, including at least one coil for the flow of electric current for generating a magnetic flux, and a secondary cooling circuit, transporting gas from the compression chamber to the rotating electrical machine, for cooling this rotating electrical machine. The coil includes at least one toroidal core formed from a rolling of a plurality of turns ( | 10-21-2010 |
20100270875 | HIGH-VOLTAGE BUSHING OF A ROTATING ELECTRIC MACHINE - According to one embodiment, in a high-voltage bushing of a rotating electric machine, the communicating holes are inclined at least toward a circumferential direction of the hollow conductor or toward a machine external side from a direction vertical to a wall surface of the hollow conductor. | 10-28-2010 |
20110062806 | SUPERCONDUCTING ROTATING ELECTRICAL MACHINE - A superconducting rotating electrical machine configuring a motor or generator, includes a base member, a stator supported by the base member, a rotor rotatably provided relative to the stator and including a superconducting material, a rotary shaft supporting the rotor, a cooling portion cooling the stator, a low temperature container forming an accommodating chamber accommodating the stator, the rotor, and a coolant, the accommodating chamber being arranged within the base member, a vacuum heat insulation chamber arranged at an outer side of the accommodating chamber and thermally insulating the accommodating chamber with vacuum, and a bearing positioned a portion of the base member where the accommodating chamber is prevented from being provided and which is exposed to an ambient atmosphere including atmospheric air, the bearing rotatably supporting the rotary shaft. | 03-17-2011 |
20110210628 | HYDROGEN CONTROL SYSTEM FOR ELECTRIC GENERATOR - Systems for controlling hydrogen purity in a power plant system are disclosed. In one embodiment, a hydrogen control system for a generator housing includes: a mass flow control system fluidly connected to the generator housing, the mass flow control system being configured to measure a flow rate of a gas mixture extracted from the generator housing and modify the flow rate of the gas mixture across a range of flow rates; and a vent conduit fluidly connected to the mass flow control system, the vent conduit for receiving a portion of the gas mixture from the mass flow control system and feeding the portion of the gas mixture to an outlet. | 09-01-2011 |
20120112571 | ENCAPSULATED STATOR ASSEMBLY - The present invention provides an encapsulated stator assembly comprising: (a) a stator having a stator core and a stator end region; and (b) a ceramic bore tube defining a surface of the stator core; wherein the stator end region is disposed adjacent to the stator core, and wherein the stator end region comprises a plurality of stator armature end-windings, and wherein the stator end region comprises an inwardly-facing stator wall, and wherein the ceramic bore tube and the inwardly-facing stator wall define an interior volume configured to accommodate a rotor, said inwardly-facing stator wall having an inner surface and an outer surface, at least a portion of said inner surface comprising a barrier layer of a conductive metal selected from the group consisting of copper, silver and aluminum, said inwardly-facing stator wall comprising a corrosion resistant metal. Also provided are motors comprising the novel encapsulated stator assemblies. | 05-10-2012 |
20120274161 | ROTOR CORE AND SUPERCONDUCTING ROTATING MACHINE WITH THE ROTOR CORE - Provided are a rotor core, a method for cooling a rotor core, and a superconducting rotating machine, capable of effectively and uniformly cooling superconducting coils without causing cold brittleness in an extremely low temperature. The rotor core | 11-01-2012 |
20130257199 | COOLING ARRANGEMENT USING AN ELECTROCHEMICAL CELL - An example generator cooling arrangement includes an electrochemical hydrogen pump configured to receive and adjust a fluid containing hydrogen and to provide a refined supply of hydrogen. An electric power generator receives the supply of hydrogen. The refined supply of hydrogen is used to remove thermal energy from the electric power generator. | 10-03-2013 |
20130320785 | HYDROGEN PURGE SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHOD - Various embodiments of the invention include systems, computer program products, and related methods for managing the purging of a hydrogen-cooled dynamoelectric machine. In various embodiments, a system is disclosed including at least one computing device configured to perform the following: obtain an indication of a fault in an alternating current (AC) power supply to a hydrogen-cooled dynamoelectric machine system; determine a reserve power characteristic of a reserve energy storage device in response to obtaining the indication of the fault in the AC power supply; and extend a pre-purge cycle for the hydrogen-cooled dynamoelectric machine system based upon the reserve power characteristic of the reserve energy storage device. | 12-05-2013 |
20130334913 | SUPER CONDUCTING SYNCHRONOUS MACHINE COMPRISING A ROTOR WHICH CAN ROTATE IN RELATION TO A STATOR AND WHICH HAS AT LEAST ONE SUPER CONDUCTING WINDING - A super conducting synchronous machine including a rotor which may rotate in relation to a stator and which has at least one super-conducting winding which is cooled my means of a cooling machine is provided. The cooled areas of the rotor are surrounded at least partially by a vacuum chamber rotating with the rotor. A pump line connecting the vacuum chamber to a vacuum pump is provided in a connection area produced by means of at least two rotational seals, fixed in relation to a rotor and defining the vacuum chamber. | 12-19-2013 |
20140239756 | Radial Vent Composite Heat Pipe - A radial vent composite heat pipe system for cooling and increasing the power density of an electrical machine is provided. The system comprises a plurality of radial vent composite heat pipe assemblies each comprising a slot portion thermally connected to a vent portion. The slot portions are disposable within respective stator slots of a stator core pack of a stator assembly of the electrical machine. The vent portions are disposable within stator vents of the stator assembly. The slot portions absorb heat from the stator coils of the stator assembly and transfer the absorbed heat to the vent portions. The vent portions reject the transferred heat into a cooling air flowing through the respective stator vent, thereby rapidly transferring heat from the respective stator coil to the cooling air flowing through stator vent, and thereby greatly increasing the power density of the electrical machine. | 08-28-2014 |
20150022036 | ROTOR WITH NON-CYLINDRICAL SURFACE FOR DYNAMOELECTRIC MACHINE - Various embodiments include apparatuses adapted to include a dynamoelectric machine rotor with a modified outer surface. In some embodiments apparatuses include a dynamoelectric machine rotor including a rotor body having a spindle, pole regions, the pole regions having a non-uniform radial distance from an axis of rotation of the rotor to an outer surface of the pole regions and a plurality of slots in the outer surface of the rotor body, the plurality of slots being spaced apart in a circumferential direction of the rotor body, each of the plurality of slots extending in an axial direction of the rotor body. | 01-22-2015 |
20170237318 | Device And Method For Cooling An Energy Conversion Apparatus Having A Rotor And At Least One Turbine | 08-17-2017 |