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| Number | Title | Issue Date |
| 8148857 | Cooling system of a superconducting machine A superconducting machine device is disclosed including a machine; a rotor including a superconductive coil; and a cooling system including at least one incline-intolerant component for cooling the coil. In at least one embodiment, at least one component is held by ... | 04/03/2012 |
| 8148858 | Totally enclosed heat pipe cooled motor A totally enclosed motor comprising a housing totally encloses an electrical package that includes plurality of slot vents extending radially outward from a shaft on which the electrical package is mounted. The electrical package being operable to generate a closed ... | 04/03/2012 |
| RE43055 | Permanent magnet type generator A permanent magnet type generator includes a rotor having 4n (n is a positive integer) permanent magnet poles disposed in a circumferential direction of the rotor to have circumferential gap between adjoining poles and a stator that has 3n teeth and coils wound arou... | 01/03/2012 |
| 8084902 | End plates for high speed generator applications An end plate for a generator includes an end plate generally cylindrical and having a central bore to receive a rotor shaft. The end plate has a radially inner boss and a radially outer boss. The radially outer boss is positioned radially outwardly of windings in a ... | 12/27/2011 |
| 8067865 | Electric motor/generator low hydraulic resistance cooling mechanism The present disclosure, in one form, provides an electric motor/generator low hydraulic resistance cooling mechanism including a hollow cooling stator case having an inner and outer coaxial surface. The inner surface defines a generally cylindric cavity for receivin... | 11/29/2011 |
| 8067864 | Electric motor sealing configuration An electric motor for driving an inertia separator is provided, including a stator and a rotor. The stator is arranged in a stator space enclosed by a stator housing. The rotor is arranged in a rotor space concentrically with the stator with regard to an axis of rot... | 11/29/2011 |
| 8063520 | Electrical machine having cooling system for a superconducting rotor winding The invention relates to an electric machine (2) comprising a rotor (6) that contains a shaft (18, 22) that is located, when in operation, in the ambient temperature range, and a superconducting rotor winding (30) that is cooled to a cryo... | 11/22/2011 |
| 8063519 | Cooling system for a vehicle drive assembly A cooling system for use in a vehicle drive assembly having an electric drive with a rotor and a stator is disclosed. The cooling system is adapted to cool the rotor via a liquid coolant or by directing a cooling air flow between the rotor and stator using an indepe... | 11/22/2011 |
| 8053938 | Enhanced motor cooling system A core assembly for an electric motor includes a heat exchanger comprising a plurality of fins. The fins define a plurality of cooling air passages that include offset fins that disrupt cooling air flow to reduce the formation of boundary layers and improve heat tra... | 11/08/2011 |
| 8026642 | Driving apparatus and vehicle including driving apparatus A driving apparatus includes a rotating electrical machine; an inverter capable of supplying electric power to the rotating electrical machine; a containing case; a coolant circuit distributing coolant capable of cooling the inverter and the rotating electrical mach... | 09/27/2011 |
| 8018102 | Shielding of superconducting field coil in homopolar inductor alternator A superconducting field coil assembly includes a superconducting field coil disposed within a vacuum insulated electro-magnetic (EM) shielded cryostat. A water cooling jacket is thermally integrated with the outer surface of the EM shielded cryostat. ... | 09/13/2011 |
| 7999433 | Rotor winding shield for a superconducting electric generator A generator rotor core (54) carrying superconducting windings (60) and having a shield (426) over the superconducting windings (60) to prevent external magnetic fields from impinging the windings. Axial shield edges (430/434) mate ... | 08/16/2011 |
| 7994664 | System and method for cooling a superconducting rotary machine A system for cooling a superconducting rotary machine includes a plurality of sealed siphon tubes disposed in balanced locations around a rotor adjacent to a superconducting coil. Each of the sealed siphon tubes includes a tubular body and a heat transfer medium dis... | 08/09/2011 |
| RE42583 | Brushless DC motor in washing machine Brushless motor in a washing machine including a stator having a coil coupled to an upper frame, and a rotor having a lower frame entirely formed of a metal to cover an outer circumference and a bottom of the stator, a plurality of magnets fitted to an inside wall o... | 08/02/2011 |
| 7977845 | Induction motor Exemplary embodiments of the present invention relate to an induction motor including a stator having a circular cross-section and an inner passage having a longitudinal axis defining a bore, a solid core steel rotor having a circular cross-section rotatably dispose... | 07/12/2011 |
| 7969049 | High power density cooling of electrical machines using ceramic tubes of high thermal conductivity A high power density generator contains an armature structure having a plurality of conductors and at least one heat transfer tube thermally coupled to the conductors. The tube is hollow so as to allow a heat transfer fluid to pass through it. The tube is made of a ... | 06/28/2011 |
| 7965002 | Helical conduit enabled for casting inside a housing The present disclosure is directed to a fluid-cooled housing for an electric device having an outer surface and an inner surface, the inner surface defining, at least in part, a housing cavity having a longitudinal axis, an end wall continuous with the inner surface... | 06/21/2011 |
| 7928616 | Systems and apparatus involving toothed armatures in superconducting machines A system for generating power comprising, a superconducting generator including, an armature assembly comprising, a body portion, a tooth portion having a front surface and a rear surface, a slot partially defined by the body portion and the tooth portion, an armatu... | 04/19/2011 |
| 7915770 | Device for cooling current lines of superconducting rotating machine A cooling device for current lines of a superconducting rotating machine, which is capable of removing heat generated from the current lines of the superconducting rotating machine, thereby effectively preventing a superconducting coil from being deformed due to the... | 03/29/2011 |
| 7906878 | Cooling assembly for large diameter electric machines A cooling assembly to be positioned inside an internal stator of an electric machine is described herein. The cooling assembly includes a plurality of cooling segments that may be so mounted to a support structure as to be biased towards an inner surface of the stat... | 03/15/2011 |
| 7902699 | System and method for managing air flow in a motor Certain exemplary embodiments can comprise a system for managing air flow within an induction motor, such as in the rotor assembly of the motor. The system can comprise a gap blocker to substantially impede air flow through radial apertures defined by and/or near en... | 03/08/2011 |
| 7898125 | Electric motor and method of producing electric motor In a fan motor 1 for a vehicle, when opening a vent hole 11 in a cylinder bottom portion 2a of a yoke 2 of the fan motor 1, this is performed so that the opening part cannot be visually observed when the vent hole 11 ... | 03/01/2011 |
| 7847445 | Alternator A rectifier of an alternator according to the present invention includes: a first heat sink; first unidirectional conducting element bodies that are disposed on a front surface of the first heat sink so as to be spaced apart; a second heat sink that is disposed so a... | 12/07/2010 |
| 7843094 | Dual armature motor/generator with flux linkage between dual armatures and a superconducting field coil The present invention relates to cylindrical rotating electric machines which comprise armature and field coils, with either the field coil or the dual armature being the rotating component. The dual armature is composed of two concentric cylindrical sets of coils w... | 11/30/2010 |
| 7834510 | Torque support member for rotating electrical machine A support module is provided for use in a rotor assembly of a rotating machine. The support module is disposed on the rotor body, supports high temperature superconductor rotor windings within the rotor assembly, and thermally decouples the cold portions of the roto... | 11/16/2010 |
| 7834492 | Electric machine having a liquid-cooled rotor An electric machine for a power system is disclosed. The electric machine has a housing with a first end cap and a second end cap. The first end cap has a first fluid passageway, and the second end cap has a second fluid passageway. The electric machine also has a s... | 11/16/2010 |
| 7825551 | Superconducting coil support structures Support structures (100) for attaching superconducting conductors (106) to a rotor (50) of an electrical machine (10). The support structures (100) are mechanically configured to transfer loads exerted on the superconducting conduc... | 11/02/2010 |
| 7821164 | Method and apparatus for a superconducting generator driven by wind turbine A generator including: an annular armature connectable to rotate with blades of a wind turbine; an annular stationary field winding assembly coaxial with the armature and separated by a gap from an inside surface of the armature, wherein the field winding include su... | 10/26/2010 |
| 7800259 | Stator assembly for use in a fluid-cooled motor and method of making the same A stator assembly for use in a fluid-cooled motor is disclosed, wherein a cooling jacket is disposed around a main body of the stator, the cooling jacket including at least one conduit adapted to receive a coolant therein, thereby minimizing a complexity and a cost ... | 09/21/2010 |
| 7795764 | Machine having an uncooled rotor body and a cooled rotor winding, as well as an associated holding and/or supporting device The invention relates to a machine with an uncooled rotor, which is mounted such that it is capable of rotating about an axis of rotation and which has cutouts or flattened portions on its outside. At least one rotor winding, which is accommodated in a cryostat with... | 09/14/2010 |
| 7791229 | Low heat leak, high torque power shaft for cryogenic machines A shaft assembly and method for reducing the heat leak into the cryogenic region of a superconducting electrical machine comprising a rotor shaft extension assembly capable of transmitting large amounts of torque with substantially increased thermal impedance. The s... | 09/07/2010 |
| 7741738 | Machine comprising a rotor and a superconducting rotor winding A machine has an uncooled rotor body, which is mounted to rotate about a rotational axis, and has a superconducting rotor winding that is located in at least one cryostat and is cooled by a coolant. To facilitate the assembly of the winding and the cryostat, the ext... | 06/22/2010 |
| 7737584 | Electric machine The invention relates to an electric machine (6) comprising a rotor and a stator, the rotor having a shaft (7) and the longitudinal extension of the electric machine (6) being defined by the shaft axis. The electric machine (6) can be coo... | 06/15/2010 |
| 7728466 | Machine based on superconducting technology with part support elements The machine contains a rotor with a hot rotor housing in which a cold part with a superconductive rotor winding is located. A part which acts as a baffle screen is provided on the outside of the rotor housing, facing a stator. Supporting elements are intended to be ... | 06/01/2010 |
| 7723874 | Cooling systems and methods for integration electric motor-inverters Cooling systems and methods are provided for an integrated electric motor-inverter, where the integrated electric motor-inverter includes a housing, a motor, and an inverter, the motor and the inverter are disposed within the housing, and the motor includes a stator... | 05/25/2010 |
| 7709979 | Heat pipe-equipped cooling device for a rotating electric machine A cooling device comprising a heat pipe (6) which is provided with an electrically-isolating part (15) between the evaporating (8) and condensing (7) parts thereof, such that the hot and cold areas are isolated electrically from one anoth... | 05/04/2010 |
| 7696657 | Fault monitoring of electric machines A method and apparatus for monitoring an electric machine system, the system having at least two machines or machine channels independently cooled by separate flows of a coolant fluid, the method including comparing coolant properties of the machines to detect a con... | 04/13/2010 |
| 7696652 | Electromagnetic actuator, method of manufacturing a part of an electromagnetic actuator, and lithographic apparatus comprising and electromagnetic actuator A lithographic apparatus has a patterning support constructed to support a patterning device and a substrate support constructed to support a substrate. At least one of the patterning support and the substrate support is moved by an electromagnetic actuator. The act... | 04/13/2010 |
| 7659646 | Outer rotor superconductor journal bearing An outer rotor superconductor journal bearing that comprising modules and including an outer rotor superconductor journal bearing that cools a superconductor that is mechanically fixed to a module below a critical temperature, attains a strong magnetic fixing force ... | 02/09/2010 |
| 7638908 | Torque transmission assembly for superconducting rotating machines A rotor assembly includes a superconducting winding assembly positioned within a cryogenic region of the rotor assembly. In operation, the superconducting winding assembly generates a magnetic flux linking a stator assembly. The rotor assembly also includes a torque... | 12/29/2009 |
