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6825584 High-voltage electric rotary machine and a method for cooling the conductors of said machine  
The aim of the invention is to ensure efficient coolilng in an electric rotary machine ( 2 ), in particular in a high-voltage generator. To achieve this, the invention provides a coolant channel (...
6822353 Cooling apparatus for electric motor control unit  
A cooling apparatus for an electric motor control unit includes a heat sink that contacts power modules of the unit, a concave portion continuously formed in the heat sink and a wall member mounted...
6815860 High temperature super-conducting rotor coil support with split coil housing and assembly method  
A rotor is disclosed for a synchronous machine comprising: a rotor core; a super-conducting coil winding extending around at least a portion of the rotor, said coil winding having a side section...
6815848 Air cooled electrical machine  
An electrical machine has a stator, a rotor, and radially extending coolant passageways provided in a laminated core section of at least the stator. The coolant passageways are defined between...
6812604 Rectifier assembly having heat-dissipating structure for an alternator  
The invention relates to an electrical machine, preferably an alternator ( 10 ) for motor vehicles, comprising a rectifier assembly ( 11 a ) that is fixed to an end shield ( 23 ) of the machine....
6812601 Superconductor rotor cooling system  
A system for cooling a superconductor device includes a cryocooler located in a stationary reference frame and a closed circulation system external to the cryocooler. The closed circulation system...
6809441 Cooling of electrical machines  
A cooling system for an electrical machine includes at least one set of heat-conducting inserts positioned so as to transmit heat from at least one part of the winding in the stator to a heatsink....
6809442 Stator structure for rotary electric machine  
A stator for a rotary electric machine is provided to curb decreases in output caused by magnetic flux leakage. The stator has a stator core with stator coils that are wound around tooth parts of...
6803684 Super-conducting synchronous machine having rotor and a plurality of super-conducting field coil windings  
A rotor for a synchronous machine is disclosed that comprises a rotor core having a rotor axis, and a pair of super-conducting coil windings mounted on the rotor core, each of said coil windings in...
6800971 Starter generator for an internal combustion engine and method of producing same  
The invention relates to a starter generator for an internal combustion engine having a rotor and a stator, whose structural elements substantially comprise stacked, joined-together metal sheets.
6798083 Cryogenic power conversion for fuel cell systems especially for vehicles  
A cryogenic power conditioning system for fuel cells is proposed which is cooled by liquid hydrogen or liquid natural gas (methane) used to power these fuel cells, or by liquid nitrogen supplied by...
6798094 Rotary electric machine, and in particular motor vehicle alternator, comprising a stator elastically mounted in a heat-conductive resin  
A rotary electrical machine ( 10 ), especially a motor vehicle alternator, having a stator ( 12 ) of generally cylindrical annular form, which is arranged in a casing ( 14 ) having a rear portion (...
6796739 Torsional joint assembly and method of making same  
A torsional joint assembly and method of making same having members of formed of dissimilar materials bonded together at calculated angles to result in essentially singularity-free joints.
6798098 Heat-radiating structure for ceiling fan's motor housing  
A heat-radiating structure for ceiling fan's motor housing, on the upper and the lower surfaces of a motor housing is provided with arched ears, each ear is provided with a ventilation orifice for...
6798096 Thermal barrier and cooling air deflector for totally enclosed motor  
The present invention provides for a system and method for facilitating cooling of a totally enclosed motor. A first thermal barrier is coupled to a first end bracket and is operable to insulate...
6794788 Modular motor and housing  
A modular electric motor. The modular motor includes a plurality of mechanically and electrically coupleable stator sections and mechanically coupleable housing sections. At least one stator...
6794773 Winding restraint on wound rotor generators or motors and method for forming the same  
An electric machine and method for forming the same comprises a rotor, a rotor winding disposed on the rotor and having a body portion and end turn portions, and a non-metallic cylinder arranged...
6794792 Cold structural enclosure for multi-pole rotor having super-conducting field coil windings.  
A rotor for a synchronous machine is disclosed having: a rotor core having a rotor axis; at least one super-conducting coil winding arranged around the rotor core; at least one pair of coil support...
6791232 Generator gas shield and related method  
A generator gas shield includes an annular ring body having an outer radially extending flange terminating at a first free end of a first diameter; a curved inlet portion; a substantially axial...
6791216 Exciter for superconducting rotating machinery  
An exciter assembly for supplying power to a superconducting load, such as a superconducting field coil, disposed within a cryogenic region of a rotating machine. The exciter assembly provides an...
6791229 Thin film superconducting motor with magnetically-quenched rotor  
A superconductor motor operates as a squirrel cage induction motor. The rotor is covered with a thin film of superconducting material and the magnetic field created by the stator is strong enough...
6787948 Stator construction for high performance rotating machines  
A rotating machine which includes a stator having a number of field winding slots, a number of field windings disposed in each of the field winding slots, at least two of the field windings have an...
6787947 Cooling the upstream end plate of a high pressure turbine by means of a system of dual injectors at the end of the combustion chamber  
The invention relates to a device for ventilating a high pressure turbine rotor which comprises a turbine disk and an upstream end plate. A first circuit for cooling blades delivers a first air...
6784573 Corrosion-resistant liquid-cooled armature bar clip-to-strand connection and related method  
A brazed joint between an armature bar strand package and an end fitting is provided where a plurality of solid strands and a plurality of hollow strands are arranged in an array. The plurality of...
6784575 Air-cooled outer rotor type motor/generator contained within a crank pulley of an engine  
A motor/generator housed in an annular space formed between an engine side wall and a crank pulley fixed to an end of a crank shaft includes a stator supported on the engine side wall and a rotor...
6777835 Electrical power cooling technique  
The apparatus for cooling a high power electrical transformer and electrical motors uses thermally conductive material interleaved between the turn layers of a high power transformer and iron core...
6774514 Totally enclosed type driving electric motor  
The invention relates to a totally enclosed type driving electric motor in which a stator core having a coil is attached to an inner peripheral portion of a frame, a bearing bracket supporting a...
6768232 High temperature superconductor rotor for a synchronous machine  
A high temperature superconducting rotor for a synchronous machine includes a high temperature superconducting field winding, a field winding support concentrically arranged about the high...
6762520 Induction-type electric machine  
A reluctance electric machine comprising: (a) a stator part ( 4 ) with stator teeth ( 12 ) of magnetically conductive material that are provided with coil windings ( 24 ); (b) and a rotor part ( 6...
6759771 High speed generator with integrally formed rotor coil support wedges  
A coil support wedge for a high speed generator is integrally constructed and includes a plurality of flow passageways. Because it is integrally formed, the support wedge is substantially fluid...
6759770 Cooling system for modular field windings of a generator  
Modular field windings including multiple coils are provided about a rotor core. Axially spaced spacers maintain the coils circumferentially spaced from one another, the spacers and coils defining...
6750578 Rotating electrical machine  
A rotating machine is provided, including a rotor having a longitudinal axis with a connected fan and a stator surrounding said rotor. Front and rear frames rotatably support the rotor. At least...
6737768 Rotating electric machine  
A rotating electric machine having a plurality of ventilating passages formed between a stator frame and a stator iron core, a cooler which cools a coolant is provided at least in one ventilating...
6734587 Rotating electrical machine, in particular alternator for motor vehicle  
The invention relates to a rotary electric machine comprising a rear bearing ( 2 ), an arrangement ( 1 ) for rectifying the current produced by the machine, which comprises a number of positive...
6734585 Rotor end caps and a method of cooling a high speed generator  
An improved apparatus and method of having a pair of end caps on a rotor assembly of a multi-pole high-speed generator is provided for use with a turbine engine. The rotor assembly provides...
6731028 Electric machine with improved cooling feature  
An electric machine, includes a stator with a laminated stator body having winding end portions potted in a cast, and a rotor for interaction with the stator. In order to cope with the increased...
6727633 High temperature super-conducting synchronous rotor coil support with tension rods and method for assembly of the coil support  
A rotor for a synchronous machine is disclosed comprising: a rotor; a super-conducting coil winding extending around at least a portion of the rotor, the coil winding having a pair of side sections...
6727600 Small underwater generator with self-adjusting axial gap  
An underwater generator contains a three-phase electromagnetic coil system imbedded in a stator to form an external face surface perpendicular to its axis. A rotor contains radial vanes and a...
6727609 Cooling of a rotor for a rotary electric machine  
A high-power electrodynamic machine has a relatively elongated rotor. In a preferred generator embodiment, a rotor having a winding formed integral therewith is integral to a hollow shaft mounted...
6713934 Generator for an outboard motor  
An engine includes an engine body and a generator. The engine body has a stator bracket mounted to the cylinder block. The generator incorporates a rotor flywheel and an armature assembly...
6711422 Thin film superconducting synchronous motor  
An superconducting electric motor is operated as a traditional squirrel-cage induction motor until the rotor reaches synchronous speed, at which point a current is trapped in a superconducting film...
6710479 Cooling structure of generator  
Cooling oil passes through a cooling oil passage ( 28 ) on the inside of an iron core ( 7 ), and cools the inside of the iron core ( 7 ). Further, cooling air passes through a cooling air passage (...
6707180 Cooling method and structure for a rotation object  
A coolant inlet and a coolant outlet are opened on an inner surface enclosing an inner space of a rotation object. The coolant inlet and the coolant outlet are located on a rotation axis and face...
6707179 Protected seal and related methods for sealing fluid in power generation system  
An apparatus having a slidable seal and related methods to prevent leakage of hydrogen gas or other fluids in a power generator is provided. The seal can connect to a high-current conductor when...
6703742 Electric motor with rotor being a drive wheel  
An electric motor with rotor being a drive wheel. The drive wheel has one or more permanent magnets attached to said drive wheel with opposite magnetic poles adjacent to one another. One or more...
6703729 Reverse flow stator ventilation system for superconducting synchronous machine  
A synchronous machine includes a rotor coupled to a rotor cooling system; a stator around the rotor and separated from the rotor by an annular gap between the rotor and an inner surface of the...
6700235 Enhanced cooling apparatus and method for rotating machinery  
A rotating machine has a case with an exterior surface, a pulley end, an opposite end, and an interior working chamber. A rotary shaft is mounted for rotation within the interior working chamber...
6700274 Torque transmission assembly for use in superconducting rotating machines  
A rotor assembly includes at least one superconducting winding assembly positioned within a cryogenic region of the rotor assembly, and a cantilevered member, mechanically coupled between the at...
6680549 Tapered rotor-stator air gap for superconducting synchronous machine  
A synchronous machine is disclosed comprising a rotor coupled to a rotor cooling system; a stator around the rotor and separated from the rotor by an annular gap between the rotor and an inner...
6680550 Hermetic motor-driven compressor  
In a hermetic motor-driven compressor, a first gas passage is formed by a space between a linear section in a motor stator and a hermetic container, and a second gas passage in parallel with the...