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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 (...
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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...
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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...
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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...
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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....
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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...
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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....
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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...
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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...
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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.
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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...
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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 (...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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