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7619333 Vehicle alternator with improved operation reliability  
A vehicle alternator is disclosed having a stator, a rotor, a frame surrounding the stator and the rotor, a bowl-shaped end cover mounted on the frame and defining an electric component-part...
7612992 Cooling device for memory chips  
A cooling device for memory chip includes a first part and a second part which is pivotably connected to the first part at a top thereof. Each of the first and second parts includes an elongate...
7612474 Rectifier assembly with enhanced air cooling  
An alternator rectifier assembly includes a rigid load bearing bushing intermediate a stator terminal board and a positive heat sink, wherein a minimum separation distance between the stator...
7592723 Vehicular electric rotary machine  
A vehicular electric rotary machine of a heat pipe cooling type is disclosed including heat pipe means 14, 14 A, 15, 15 B, associated with a cooling fin 51, 52 and a rear end wall 122 of a...
7586222 Voltage controller for alternator of vehicle  
A voltage controller has a control circuit and a heat radiating member attached to the circuit. The circuit controls a voltage of electric power generated in an alternator of a vehicle while...
7586219 Drive guide apparatus  
The present invention provides a drive guide apparatus capable of ensuring an increased lifetime by preventing heat generated from a primary side of a linear motor from being transferred to a rail...
7570488 Alternator rectifier  
An automotive alternator rectifier including a terminal connection portion configured by connecting a terminal leading out of first unidirectional conducting element bodies disposed on a surface of...
7569957 Heating element cooling structure and drive device having the cooling structure  
A heat generating member cooling structure in which a coolant space is formed between a heat releasing surface that is thermally connected to a heat generating member and an opposing surface that...
7569955 Electric motor with heat pipes  
An electric motor including a motor portion, a cooling portion and a plurality of heat pipes is provided. The motor portion includes a stator and a rotor that when energized with electric current...
7567053 Mechatronic integration of motor drive and E-machine, especially smart-E-motor  
The power switches of an inverter are mechanically integrated with an electric motor of a vehicle and are mounted on the end plate of the motor and employ short connections between the motor a-c...
7567000 Motor  
A motor includes a heat dissipating structure. The motor may be used for a fan and includes on an upper surface of a circuit board a heat dissipating layer. The heat dissipating layer has a high...
7560838 Generator for an engine  
A generator housing ( 1 ) of an engine generator is connected to a gearbox casing ( 17 ) via a cover plate ( 23 ) that bears the rotor shaft ( 5 ). The cover plate has a two-piece design and...
7554230 Control circuit device for motor, method for manufacturing the device, and motor having the device  
A control circuit device for a motor is provided with a circuit board which has an electrically-conductive terminal for electrically connecting the motor with an exterior connector, a heat...
7554227 Heat-dissipating device for motor base  
A motor includes a base having a fixing seat, an axial tube mounted to the fixing seat, a rotor mounted to the axial tube, and a circuit board mounted to the base and including a stator and at...
7548000 Multilayer radiation shield  
A power generation system including: a generator including a rotor including a superconductive rotor coil coupled to a rotatable shaft; a first prime mover drivingly coupled to the rotatable shaft;...
7546782 Cooling bearings, motors and other rotating heat generating components  
Cooling apparatus for transferring heat from and cooling one or more heat generating components that support or drive a flywheel or other spinning member. The apparatus may include a first heat...
7545642 Automotive dynamoelectric machine  
A large number of ventilating apertures that have a circular cross section are disposed through the heatsink so as to extend from an air intake apertured surface to an air discharge apertured...
7531924 Cooling and supporting apparatus for current leads of superconducting rotating machine  
Disclosed is a cooling and supporting apparatus for current leads of a superconducting rotating machine. The cooling and supporting apparatus is installed on the current leads, and includes an...
7525224 Drive unit and inverter with cooling technique  
A drive unit comprises an electric motor, a drive unit casing 2 accommodating therein the electric motor, an inverter 3 that controls the electric motor, and a flow passage of a refrigerant...
7525223 Induction motor having the rotor located within a shell  
The magnetic flux generated by stator electrical winding can flow inside motor stator structure, so it is unnecessary to put the stator electrical winding and the rotor in the same medium. The...
7514827 Self-cooled rotor for an electrical machine  
A self-cooled rotor for an electrical machine being internally provided with a cooling channel to carrying cooling fluid. The machine includes a further channel for carrying cooling fluid in...
7505273 Cooling body and rectifier module for an electrical machine  
A heat sink, in particular for a rectifier unit of an electrical machine has at least one diode opening, and disposed around the at least one diode opening at least partially ring-shaped cooling...
7501727 Alternator voltage control apparatus  
An alternator includes: a rotor fixed to a shaft so as to rotate with the shaft; a stator disposed so as to surround the rotor, an alternating current being generated in the stator by a rotating...
7482719 Vehicle AC generator having cooling fins of voltage regulator protruding to positions external to a housing which covers a main body of the voltage regulator  
In a vehicle AC generator having a housing that covers a voltage regulator equipped with external cooling fins, and a cooling fan which rotates with the generator rotor to draw external air through...
7479719 Alternator for vehicle  
An alternator for a vehicle has a regulator disposed in a casing so as to be exposed from a window of the casing, an input harness and an output harness disposed outside the casing, and an...
7474024 Electronic control unit and electric pump  
An electronic control unit 10 may comprise a case 12, a board 23 accommodated inside the case 12, and electronic components ( 25, 29, 31 ) mounted on the board 23. An opening 13 may be...
7466045 In-shaft reverse brayton cycle cryo-cooler  
An in-shaft cryogenic cooler mounts entirely within the shaft of a dynamoelectric machine that has a rotor comprising a high temperature superconductor.
7462966 Synchronous electric motor, particularly for washing-machines and similar household appliances, and relevant assembling method  
Synchronous electric motor ( 3 ) for washing-machines ( 1 ) and similar household appliances with rotary drum ( 2 ), of the type comprising an inner stator ( 5 ) having relative stator windings ( 9...
7462965 Brushless motor  
A brushless motor has a stator, a rotor and a circuit board for controlling rotation of the rotor. The stator has iron cores and coils wound around the iron cores. Switching elements for turning on...
7443066 Methods and apparatus for cooling wind turbine generators  
A wind turbine generator includes a stator having a core and a plurality of stator windings circumferentially spaced about a generator longitudinal axis. A rotor is rotatable about the generator...
7443064 Permanent-magnet generator having protrusions for dissipating heat  
A permanent-magnet generator includes a flywheel having a ringlike portion and a bottom portion which closes off one end of the ringlike portion and a plurality of protrusions bulging inward from...
7405505 Rotary electric machine  
A rotary electric machine includes a frame; a stator whose stator-slot number Ns is 12; a rotor whose rotor-pole number Np is 8, the rotor being disposed inside the stator. The frame has a frame...
7397154 Spray cooled motor system  
A spray cooled motor system with a motor housing with an interior and an exterior, a stator mounted within the interior of the motor housing, a rotor mounted within the interior of the motor...
7378766 Rotating electrical machine, such as an alternator, particularly for an automobile  
The invention relates to a rotating electrical machine, provided with a stator, a cooling device comprising at least one fan that initiates a coolant flow in order to cool and evacuate, to the...
7368842 Armature windings and dynamo-electric machine using the same  
An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. The...
7368839 Slip ring end frame  
The slip ring end (SRE) frame is an SRE frame of popular small dimension designed to allow available larger rectifier assemblies having larger heat sinks to be fitted into the SRE frame, thus...
7368837 Drive guide device  
The present invention provides a drive guide apparatus capable of ensuring an increased lifetime by preventing heat generated from a primary side of a linear motor from being transferred to a rail...
7362019 Vehicle alternator  
A vehicle alternator for generating electric power has a stator, a rotor, a rectifier, a regulator case, and a cooling fin part. A stator winding is wound on the stator. The rotor is placed on...
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...
7355308 Mover combination with two circulation flows  
A circulation system ( 330 ) for a mover ( 328 ) includes a fluid source ( 360 ) that directs a first fluid ( 356 ) into a first inlet ( 364 A) of the mover ( 328 ) and a second fluid ( 358 ) into...
7345387 Dynamoelectric machine  
An automotive alternator in which a fan rotating together with a rotor to direct air from a suction aperture into a case, blow the air centrifugally, and discharge the air externally through a...
7345386 Electric drive unit  
An electric drive unit includes an electric motor for driving a fan. The motor has an electronic control module. An impeller wheel for producing a working air flow is mounted by bearings on an axle...
7339296 Ac generator having built-in voltage regulator  
An ac generator for a vehicle includes a rotor having a field coil, a stator having a stator winding disposed around the rotor to provide ac power in cooperation with the rotor, a brush unit...
7315101 Magnetic bearing apparatus  
In order to obtain a magnetic bearing apparatus in which a large cooling effect is exerted by a simple configuration, fins 15 which form an air flow in a rearward direction are disposed in a rear...
7259486 Axial fan  
In an axial fan, a case ( 40 ) accommodating the fan motor stator ( 50 ) is anchored into a bearing retainer ( 10 ), in which ball bearings ( 20, 21 ) as a bearing unit are accommodated, along a...
7256526 Integrated stator-axle for in-wheel motor of an electric vehicle  
One or more wheels of an electrically powered vehicle contains a motor rotor and a motor stator that is mounted on an integrated structure having a motor stator mounting element portion and wheel...
7245056 Axial fan motor and cooling unit  
Disclosed is an axial fan motor for air-cooling a heat sink of a heating element and thermally connected to the heat sink. The casing of the axial fan motor is formed of a plurality of laminated...
7237512 Controller cooling structure in electric vehicle  
To provide a cooling structure which can effectively cool a controller for controlling a drive of a motor in an electric vehicle. A controller cooling structure of an electric vehicle is provided...
7227754 Fluid cooling for iron core and winding packs  
A power choke or transformer has an iron core, windings, and a cooling apparatus having a heat exchanger with a heat absorber and a cooling fluid duct operationally connected to the heat absorber,...