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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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...