| Patent application number | Description | Published |
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| 20100019604 | METHODS AND APPARATUS FOR ASSEMBLING HOMOPOLAR INDUCTOR ALTERNATORS INCLUDING SUPERCONDUCTING WINDINGS - A homopolar electrical machine includes a stator having a stationary magnetic core and multiple stator windings disposed within the stationary magnetic core. A rotor includes a first set of pole pieces at a first end of a shaft and a second set of pole pieces at a second end of the shaft. The pole pieces are separated by air gaps. The rotor is a one-piece structure having only the shaft, the first set of pole pieces, and the second set of pole pieces integrally formed from a single material. A stationary field coil is coupled to the stator. The stationary field coil includes a cryostat configured to cool the stationary field coil to superconducting temperatures. The stationary field coil has a coil diameter that is at least partially greater than an outer diameter of the rotor. Each stator winding is unitarily formed as a single structure that extends along a length of the homopolar electrical machine beyond the first and second sets of pole pieces and is disposed within an air gap of the homopolar electrical machine. | 01-28-2010 |
| 20110133871 | SUPERCONDUCTING MAGNETIZER - A superconducting magnetizer includes a thermal shield disposed within a vacuum chamber. A superconducting magnet is disposed within the thermal shield and configured to generate a magnetic field in response to an electric current supplied to the superconducting magnet. A heat transfer device comprising at least one of a thermal conduction device, and a heat pipe is disposed contacting the superconducting magnet. A cryocooler is coupled to the heat transfer device and configured to cool the superconducting magnet via the heat transfer device. | 06-09-2011 |
| 20110140552 | COOLING STRUCTURE FOR A SEGMENTED STATOR ASSEMBLY - A stator assembly includes a segmented stator having stator portions. Each stator portion includes stator laminations having stator windings, spacer plates having a portion embedded within the stator laminations, and structural plates having a portion embedded within the stator laminations. The portion of each of the spacer plates and each of the structural plates has notch-like structures that create openings to allow a cooling medium to flow between the notch-like structures to provide radial cooling of the stator windings. Connectors are provided to connect the stator portions of the segmented stator together. | 06-16-2011 |
| 20110221552 | SYSTEM AND METHOD FOR MAGNETIZATION OF RARE-EARTH PERMANENT MAGNETS - The present disclosure is generally directed towards magnetization of permanent magnets using superconducting magnetizers. For example, in one embodiment, a superconducting magnetizer assembly is provided. The assembly includes a coil pack having an inner coil including a first superconducting magnet material, the coil being configured to generate a first magnetic field in response to an electric current supplied to the coil, and an outer coil including a second superconducting magnet material, the outer coil being disposed about the inner coil and being configured to generate a second magnetic field in response to an electric current supplied to the outer coil. The coil pack also includes a container configured to house the inner and the outer coils. | 09-15-2011 |
| 20110236246 | METHOD OF FABRICATION OF MIXED RARE-EARTH PERMANENT MAGNET - A method of producing a permanent magnet includes: melting boron, cobalt, a metallic alloy component, a mixed rare earth material, and iron together to form a melted alloy and forming a first alloy ingot using the melted alloy, wherein the permanent magnet comprises about 28-35 weight percent of rare earth material; crushing the first alloy ingot into particles having a first average particle diameter less than about 3 millimeters; milling the particles to form a powder mixture with a second average particle diameter in the range from about 2.5-5 microns; shaping the powder mixture, in a magnetic field, into a powder compact; sintering the powder compact at a temperature ranging from about 1020-1120 degrees centigrade for a time duration ranging from about 1-5 hours to form a second ingot; and aging the second ingot at a temperature ranging from about 450-650 degrees centigrade for time duration ranging from about 1-5 hours | 09-29-2011 |
| 20110266807 | SEGMENTED STATOR ASSEMBLY - An electric machine and stator assembly includes a segmented stator having stator portions. Each stator portion includes stator laminations, end plates arranged axially on opposing sides of the stator portion, and structural plates arranged interior to the end plates. Each of the support plates has a portion with notch-like structures that is embedded within the stator laminations. Stabilizing couple the end plates and the structural plates together. Connectors are provided to connect the stator portions together. | 11-03-2011 |
| 20110266808 | SEGMENTED STATOR ASSEMBLY - An electric machine and a stator assembly include a segmented stator having stator portions. Each stator portion includes end plates arranged axially on opposing sides of the stator portion, support plates arranged interior to the end plates, stator laminations arranged between the support plates, and stabilizing elements coupling the end plates and the support plates together. Each of the stabilizing elements has a dovetail portion coupled to the end plates and to the support plates. Connectors are provided to connect the stator portions of the segmented stator together. | 11-03-2011 |
| 20110266909 | Segmented Rotor - The present application provides a segmented rotor. The segmented rotor may include a center wheel, a number of rotor support segments positioned about the center wheel, and a number of active rotor components positioned about each of the rotor support segments. | 11-03-2011 |
| 20110266913 | SEGMENTED STATOR ASSEMBLY - A stator assembly includes a segmented stator having stator portions. Each stator portion includes a support structure and dovetails, each coupled to the support structure by adjustable elements. The stator portion also includes stator laminations, where each of the laminations has openings to engage with the dovetails. Connectors are provided to connect the stator portions of the segmented stator together. | 11-03-2011 |
| 20110301038 | SYSTEM AND METHOD FOR MAGNETIZATION OF RARE-EARTH PERMANENT MAGNETS - A system for cooling superconducting materials used for magnetization of magnets disposed within a cylindrical structure, the system including a first tubing system for allowing a cooling gas to interact with a high-field strength superconducting material to thermosiphon-cool the high-field strength superconducting material, a second tubing system for allowing a cooling gas to interact with a low-field strength superconducting material to thermosiphon-cool the low-field strength superconducting material, and a cooling gas in liquefied form configured to flow through the first tubing system and/or the second tubing system. An outlet of the first tubing system and an outlet of the second tubing system are located at a same location on a surface of the cylindrical structure. A method for cool superconducting materials used for magnetization of magnets disposed within a cylindrical structure is also disclosed. | 12-08-2011 |
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| 20100274734 | Credit Portfolio Benchmarking System and Method - A portfolio benchmarking system comprises a repository of trade data, a repository of consumer data, a build computer, and a benchmarking query application. The repository of trade data comprises a plurality of data items regarding trade lines. The repository of consumer data comprises a plurality of data items regarding consumers, wherein at least some information in the consumer data is not in the trade data and at least some information in the trade data is not in the consumer data. The build computer periodically generates at least one data file comprising a plurality of data items, each data item combining information from the trade data and the consumer data, such that searches can be performed on the combined data without joining trade data and consumer data at query run time. The benchmarking query application executes queries on the data file generated by the build computer. | 10-28-2010 |
| 20110137824 | CREDIT PORTFOLIO BENCHMARKING SYSTEM AND METHOD - A portfolio benchmarking system comprises a repository of trade data, a repository of consumer data, a build computer, and a benchmarking query application. The repository of trade data comprises a plurality of data items regarding trade lines. The repository of consumer data comprises a plurality of data items regarding consumers, wherein at least some information in the consumer data is not in the trade data and at least some information in the trade data is not in the consumer data. The build computer periodically generates at least one data file comprising a plurality of data items, each data item combining information from the trade data and the consumer data, such that searches can be performed on the combined data without joining trade data and consumer data at query run time. The benchmarking query application executes queries on the data file generated by the build computer. | 06-09-2011 |
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| 20100027997 | METHODS FOR DYNAMIC BANDWIDTH ALLOCATION AND QUEUE MANAGEMENT IN ETHERNET PASSIVE OPTICAL NETWORKS - In a passive optical network, dynamic bandwidth allocation and queue management methods and algorithms, designed to avoid fragmentation loss, guarantee that a length of a grant issued by an OLT will match precisely the count of bytes to be transmitted by an ONU. The methods include determining an ONU uplink transmission egress order based on a three-stage test, and various embodiments of methods for ONU report threshold setting. | 02-04-2010 |
| 20100106959 | Triple and quadruple churning security for 1G and 10G PON - A data encryption-decryption method for enhancing the confidentiality of data transmitted between two, first and second communication network entities including the steps of: at the first network entity, performing a quadruple-churning operation on a byte N to obtain an encrypted byte N, the quadruple-churning operation including: performing a first churning operation to obtain a first churned output; bit-wise XORing the first churned output with two values to obtain a first XOR result; bit-swapping the first XOR result; performing a second churning and XORing stages to obtain a second XOR result; performing a third churning and XORing stages to obtain a third XOR result; bit swapping the third XOR result; and performing a fourth churning operation on the third bit-swapped XOR result to obtain encrypted byte N; and transmitting the encrypted byte N to the second network entity. | 04-29-2010 |
| 20100208745 | OPERATIONS METHOD IN AN ETHERNET PASSIVE OPTICAL NETWORK THAT INCLUDES A NETWORK UNIT WITH MULTIPLE ENTITIES - A method for registration of multiple entities belonging to a specific optical networks unit (ONU). In one embodiment, the multiple entity registration method comprises checking by an optical line terminal (OLT) if a registration request message ( | 08-19-2010 |
| 20110182579 | METHODS FOR DYNAMIC BANDWIDTH ALLOCATION AND QUEUE MANAGEMENT IN ETHERNET PASSIVE OPTICAL NETWORKS - In a passive optical network, dynamic bandwidth allocation and queue management methods and algorithms, desgiend to avoid fragmentation loss, guarantee that a length of a grant issued by an OLT will match precisely the count for bytes to be transmitted to an ONU. The methods include determining an ONU uplink transmission egress based on a three-stage test, and various embodiments of methods for ONU report | 07-28-2011 |
