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7391136 |
Electric rotating machine
An in-slot conductor part of a stator winding of a rotary electric machine has multiple in-slot conductors disposed in multiple slots. In each of the multiple slots a plurality of the in-slot...
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7372175 |
Two-spool bypass turbojet with a rear electricity generator, and an air flow connection device and system
A two-spool bypass turbojet includes a low-pressure spool having a rear portion carrying a low-pressure turbine provided with a low-pressure rotor. The turbojet includes a support structure...
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7365462 |
Alternator directly connected to engine
An alternator is composed of a frame, a rotor rotatably supported in the frame, a stator contained in the frame outside the rotor and other associated components. A front end of the alternator is...
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7362016 |
Belt drive system with outer rotor motor
An outer rotor motor having a tubular shaft for maximum motor cooling effect. Coolant may flow through coolant channels of the shaft and the motor in various configurations to carry away the heat....
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7359194 |
Device and method for cooling an electronics unit
A device for cooling an electronics unit, in particular a control electronics unit of a hand-held power tool, has an air-conducting device that directs at least a portion of an air stream exiting...
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7355307 |
Rotary transformer for supplying electric power to a superconducting rotor
A device for supplying electric energy to at least one superconductor, with the superconductor being cooled in a cooled region to at least one predetermined temperature for achieving...
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7352090 |
Fluid-submerged electric motor
An electric motor has at least one component that is submerged in a cooling fluid held in a fluid-filled cavity. The stator, rotor, and rotor shaft bearings are all possible components that may be...
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7348697 |
System for ventilating a motor
Certain exemplary embodiments comprise a system comprising: a motor stator comprising: a motor frame comprising a core shell adapted to surround a stator core comprising: a plurality of panels; a...
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7345385 |
Method for ventilating a motor
Certain exemplary embodiments comprise a system comprising: a motor stator comprising: a motor frame comprising a core shell adapted to surround a stator core comprising: a plurality of panels; a...
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7342345 |
Paddled rotor spaceblocks
A dynamoelectric machine cooled by a gas flow. The machine may include a rotor, an endwinding extending axially beyond the rotor, a spaceblock located about the endwinding, and a passageway...
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7339293 |
Electric machine with a wrapped winding cooled to a low temperature
An electric machine has a rotor that is rotatable about an axis of rotation, and an especially superconducting winding which is to be cooled to a low temperature. The winding is enveloped by a...
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7332837 |
Cooling and handling of reaction torque for an axial flux motor
Methods and apparatus are provided for an axial electric motor. The apparatus comprises, a stator having coils thereon for producing a magnetic field, a rotor rotated by the magnetic field, an...
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7329971 |
Voice coil-type linear motor with cooling function
A voice coil type linear motor with a cooling function. A closed magnetic circuit formed into the θ-shape, by an inner yoke provided between a pair of outer yokes made up of magnetic materials...
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7326010 |
Motor spindle
A motor spindle for machine tool. The motor spindle having a spindle housing mounted on a machine part, a work spindle supported in the spindle housing in axially spaced roller bearings, an...
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7317268 |
System and method for cooling a super-conducting device
A system and method for cooling a superconductive rotor coil. The system comprises a rotatable shaft coupled to the superconductive rotor coil. The rotatable shaft may comprise an axial passageway...
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7312544 |
Fluid transfer device and method for conveying fluid to a rotating member
A fluid transfer device and a method for conveying a fluid from a fluid transfer device to a rotating member are provided. The fluid transfer device includes a housing disposed around a first...
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7307363 |
Stator cooling system for a hybrid transmission
A cooling system for an annular stator housed within a transmission casing includes a first curved tube sufficiently sized to at least partially circumscribe the stator when the tube is placed...
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7302947 |
Cutting machine with environment control arrangement
A cutting machine includes a cutting supporting frame, a cutting head arrangement and a motor air flow arrangement which includes a driving motor to drive a cutting blade to rotate, a motor case...
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7294943 |
Electric rotating machine
An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a...
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7285882 |
Integrated electric motor driven compressor
A motor driven compressor assembly includes a motor housing having a fluid inlet and a fluid outlet. A motor is disposed within the motor housing and includes a rotor that is coupled to a rotatable...
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7285881 |
Superconducting device comprising a cooling unit for cooling a rotating, superconductive coil
The supraconductor device contains a rotor, which can rotate about a rotational axis, with a supraconductive coil in a heat conducting coil support. The coil support comprises a central cylindrical...
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7282832 |
Axially-expandable EM shield
A superconducting rotating machine includes a stator assembly having at least one stator coil assembly. A rotor assembly, which includes an axial shaft, is configured to rotate within the stator...
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7273357 |
Control device for electric compressor
A control device includes a shot-pulse control unit that provides, at a time of starting a synchronous motor, a predetermined current to each phase of a stator of the motor for a short time; a...
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7268450 |
Permanent magnet type generator
A permanent magnet type generator includes a rotor having 4 n (n is a positive integer) permanent magnet poles disposed in a circumferential direction of the rotor to have circumferential gap...
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7242119 |
Electrical machine having a stator with cooled winding bars
An electrical machine comprises a stator ( 10 ) with a laminated core ( 11 ) in which two or more slots ( 12 ) are provided which run in the axial direction and in each of which two or more winding...
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7239055 |
Motor cooling system
The invention provides a structural member for a vehicle transmission formed with an annular recess in fluid communication with a fluid source and at least partially enclosing and defining an...
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7211912 |
Drive system including electric power devices
A drive system includes a plurality of electric power devices, a drive case having a plurality of case segments which are connected to each other, each of the electric power devices being contained...
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7211913 |
Motor cooling system
The motor cooling system of the present invention is a system for cooling a three-phase alternating current motor mounted on a vehicle as a traction motor where oil is introduced as cooling oil...
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7211921 |
Winding support of a superconductive rotor, comprising a structure to compensate for axial expansion of the support
An aspect of the invention relates to a machine comprising a rotor mounted so it can rotate about a rotational axis, and a superconductive winding located in a winding support. Further, connection...
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7207178 |
Superconducting device with a cooling-unit cold head thermally coupled to a rotating superconductive winding
The superconducting device has a rotor which is rotatable about an axis of rotation and is provided with a superconductive winding in a heat conducting winding carrier. The winding carrier has a...
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7208854 |
Rotor cooling system for synchronous machines with conductive sleeve
A wound field synchronous machine includes direct oil cooling along a conductive sleeve with elongated semi-arcuate shaped channels which alternate with damper bar channels containing tie-rod...
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7199496 |
Integrated electric motor and drive, optimized for high-temperature operation
The heat-generating components of an integrated motor system are disposed proximate the motor body, for efficient heat dissipation, and the heat-sensitive components are segregated therefrom,...
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7189126 |
Ship's propulsion arrangement and method
The invention relates to a ship's propulsion and steering arrangement surrounded by water comprising an electric motor in a chamber, a propeller shaft associated with the electric motor having a...
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7186093 |
Method and apparatus for cooling motor bearings of a high pressure pump
A system for cooling the bearings and motor in a pump assembly used for circulating supercritical fluid is disclosed. The system uses a pressurized coolant fluid that can be substantially pure CO 2...
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7176593 |
Actuator coil cooling system
An actuator coil with a race track winding that generates a magnetic field. A cooling tube has cooling liquid flowing therethrough and is wrapped around a periphery of the race track winding. A...
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7174822 |
Efficient food slicer
A food slicer comprises a fan-cooled electrically powered motor driving a slicer blade. The motor is mounted within an enclosure which comprises at least one air intake port and at least one...
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7167364 |
Cooler with blower between two heatsinks
A cooler for cooling of electronic components comprises at least two heatsinks thermally connected with each other by heat spreading means, and a double inlet centrifugal blower comprises a casing...
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7166941 |
Electroplated stator bar end and fitting
The interior of a stator bar clip that is joined to the end of a stator bar is electroplated so that a metallic barrier coating overlies the braze joint between the stator bar and the clip to...
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7161255 |
Isolated generator equipment compartment
A power plant has a generator that is cooled by hydrogen gas. The power plant has a terminal compartment for housing stator terminals of the generator and conductor connections of a main bus taking...
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7146707 |
Method of assembling a balanced high speed generator rotor
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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7142125 |
Fan monitoring for failure prediction
A method for monitoring a fan comprises measuring power usage of the fan, determining a derivative of the measured fan power usage, tracking the derivative over time, and predicting impending fan...
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7131825 |
Spindle-motor driven pump system
The present invention is a compact pump that is powered by a brushless DC spindle-motor, as used in disk drives and CD-ROM drives. A hard drive type spindle-motor is a brushless DC motor that is...
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7129602 |
Method for cooling a transverse flow synchronous machine and transverse flow synchronous machine
A method and apparatus for cooling a transverse flow synchronous machine is provided which uses a coolant that is entrained by the rotor rotation during operation of the synchronous machine and is...
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7129604 |
Air cooled type generator that is mounted in easier and quicker manner
An air cooled type generator includes a housing, an engine, a cooling fan mounted in the engine, a generator body having a first side juxtaposed to the engine, and a cooling fan rotatably mounted...
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7122928 |
Housing for electronic circuit
A box unit is a housing having a space for containing a circuit board therein. Bus bars are insert-molded in a resin body of the box. A metal shield plate is insert-molded around the entire...
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7122930 |
Electric motor
An electric motor including a stator with a plurality of coils wound around a ring-shaped iron core, and a rotor rotatably disposed inside the stator is provided. The rotor includes a rotor shaft...
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7119461 |
Enhanced thermal conductivity ferrite stator
A permanent magnet electric machine (i.e.: motor/generator) having a magnetic flux circuit including a stator and a permanent magnet rotor mounted for rotation about an axis relative to the stator....
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7119644 |
Mounting structure for superconducting windings
A superconducting coil assembly is of the type mounted to a rotor assembly of an electric rotating machine and, in operation, is maintained at cryogenic temperatures while the portion of the rotor...
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7112045 |
Electric compressor
An electric compressor has a compressor housing, a compression mechanism, an electric motor, an accommodating portion and a motor drive circuit. The compressor housing has a circumferential wall...
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7105959 |
Cooling jacket and motor unit with cooling jacket
A cooling jacket for an electric motor and a motor unit with a cooling jacket mounted on an electric motor having simple structure and capable of being manufactured with reduced number of...
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