Patents for H02K 19 - Synchronous motors or generators (6,576)
12/2004
12/16/2004DE102004023481A1 Electric drive system e.g. for naval frigate, uses multi-pole stator design and prescribed aspect ratio of length of active part to outer diameter of stator
12/16/2004DE102004023253A1 Elektrische Drehmaschine A rotary electric machine
12/15/2004CN2664272Y Novel safety and reliable brushless excitation synchronous motor
12/09/2004US20040245955 Method and apparatus for controlling security gate operation
12/09/2004US20040245868 Synchronous machine
12/09/2004DE10354257A1 Wechselstromgenerator an einem Fahrzeug An alternator on a vehicle
12/07/2004US6828919 Exciter assembly telemetry
12/07/2004US6828710 Airgap armature
12/02/2004WO2004079879A3 Electrodynamic machines and components therefor and methods of making and using same
12/02/2004US20040239209 Flux impulse motor
12/01/2004EP1482627A2 Isolated electric power generator by utilizing leaking magnetic flux
12/01/2004EP1482625A1 Ac electric machine for vehicle
12/01/2004CN1551453A On-vehicle AC generator
12/01/2004CN1178367C Universal electric motor with variable air gap
11/2004
11/25/2004US20040232796 Electric synchronous machine comprising a toroidal winding
11/25/2004US20040232793 Rotary electric machine for vehicle and control device thereof
11/24/2004EP1480325A1 Method for controlling the torque or the rotational speed of a synchronous motor with a slip-ring rotor
11/24/2004CN2659013Y Single-phase three phase two-path equipower output generator main body structure
11/24/2004CN2659012Y Direct current generating electric welling and are welding machine
11/23/2004US6822362 Rotary electric machine
11/23/2004US6820728 Integrated retarder and accessory device
11/18/2004WO2004070913A3 Gas turbine engine starter generator with ac generator and dc motor modes
11/18/2004DE10319394A1 Geschaltete Reluktanzmaschine, insbesondere SR-Motor Switched reluctance machine, in particular SR motor
11/17/2004CN2657272Y Multipurpose DC arc welding electric generator for locomotive
11/11/2004WO2004098030A1 Switched reluctance machine, especially an sr-motor
11/11/2004US20040222710 On-vehicle AC generator
11/10/2004CN1545202A High-frequency induction current delivery excitation method for synchronous motor and equipment thereof
11/09/2004US6815864 AC generator
11/04/2004WO2004025811A3 Method and device for detecting sparking and spark erosion in electric machines
11/04/2004US20040217668 Electrical machine
11/04/2004US20040217663 Automotive alternator having rectifier and voltage regulator mounted thereon
11/03/2004CN1543039A AC generator for vehicles
11/02/2004US6812614 Rotor for a synchronous motor defined by a hyperbolic function
11/02/2004US6812604 Rectifier assembly having heat-dissipating structure for an alternator
11/02/2004US6811382 Integrated pumping system for use in pumping a variety of fluids
10/2004
10/28/2004WO2004093307A2 Simple rotor assembly for a reluctance machine
10/28/2004US20040212273 Heat engine and generator set incorporating multiple generators for synchronizing and balancing
10/28/2004DE102004010209A1 Rotor einer dynamoelektrischen Maschine Rotor of a dynamoelectric machine
10/27/2004EP1471622A1 Manufacturing method of a rotor core
10/27/2004EP1101272A4 Rotors utilizing a stepped skew
10/27/2004CN2652037Y Multi-unit unitary brushless motor frequency converter set
10/27/2004CN1541438A ALternator and method of manufacture
10/27/2004CN1173453C Synchronous machine with rotating brushes
10/26/2004US6809443 Alternator for an automotive vehicle
10/26/2004US6809437 Automotive alternator
10/21/2004US20040207281 Hybrid synchronous electric machine
10/21/2004US20040207275 Vehicle alternator
10/21/2004US20040205955 Manufacturing method of rotor core and device using the same
10/19/2004US6806666 Single-phase motor
10/19/2004US6806616 Rotor of rotating electric machine
10/19/2004US6806602 Electromechanical wheel brake device
10/14/2004US20040201301 Simple rotor assembly for a reluctance machine
10/14/2004US20040201294 Automotive alternator
10/14/2004DE10309722A1 Transformation angle detector for electric machine with stator and rotor with transformation of currents and voltages from one system into another and vice versa, with sensor for detecting speed and rotor angle
10/13/2004CN1537201A Wind-energy installation comprising ring generator
10/12/2004US6803692 Permanent magnet type electric motor
10/12/2004US6803671 Synchronous machine
10/07/2004WO2004086594A1 Star delta connection bias magnetic type reluctance motor
10/07/2004WO2004086593A1 A magnetic biashing reluctance motor with even poles on which coils are connected in opposite directions
10/07/2004US20040195925 Rotary electric machine
10/06/2004EP1465321A2 Stator winding arrangement of alternator for vehicle
10/06/2004EP1464105A2 Alternator, in particular for motor vehicle
10/06/2004CN1170348C Electric machine with iron core
10/05/2004US6800974 Lead-wire arrangement of vehicle ac generator
09/2004
09/30/2004WO2004084386A1 Gas turbine engine starter generator that selectively changes the number of rotor poles
09/30/2004WO2004084385A1 Synchronous machines
09/30/2004WO2004084375A2 Apparatus and method that prevent flux reversal in the stator back material of a two-phase srm (tpsrm)
09/30/2004US20040189134 Stator of dynamo-electric machine
09/30/2004US20040189131 Method and device for compensating the armature reaction of a rotating exciter
09/29/2004EP1461854A2 Electrical machine
09/29/2004CN1533011A Rotor of synchronous magneto resistance motor
09/28/2004US6798108 Alternator including case with open portion for brush removal
09/28/2004US6798106 Vehicle AC generator having vibration-resistant stator
09/28/2004US6798104 Rotary electric machine for electric vehicle
09/28/2004US6796198 Driving assembly for controllably driving a slide
09/28/2004CA2149606C Variable reluctance electric motor
09/23/2004US20040183308 Gas turbine engine starter generator that selectively changes the number of rotor poles
09/22/2004EP1460750A1 AC generator for vehicles
09/22/2004EP1459425A2 Electric synchronous machine comprising a toroidal winding
09/22/2004CN2643535Y Integral AC generator with built-in fan being combined with shrunkin rectification bridge
09/22/2004CN2643531Y Axial point conducting AC automotive alternator
09/21/2004US6794791 Motor/generator with energized reluctance and coil in the air gap
09/21/2004US6794790 Rotary electric machine
09/21/2004US6794784 Permanent magnet reluctance motor with embedded permanent magnet holes
09/16/2004WO2004079879A2 Electrodynamic machines and components therefor and methods of making and using same
09/16/2004WO2004054068A3 Rotor for line-start reluctance motor
09/16/2004US20040178696 Vehicle alternator and its rotor
09/15/2004EP1279221A4 Universal frequency electrical generator
09/15/2004CN1529634A Switched reluctance machine and food waste disposer employing same
09/14/2004US6791228 Stator for a dynamoelectric machine
09/14/2004US6791216 Exciter for superconducting rotating machinery
09/09/2004US20040174089 Rotor of dynamo-electric machine
09/08/2004CN2640116Y Mixed excitation silicon rectifier A.C. brushless generator
09/07/2004US6787958 Electrical machines
09/07/2004US6787952 Alternator
09/02/2004US20040169431 Permanent magnet synchronous motor
09/02/2004US20040169429 Alternator and method of manufacture
09/01/2004EP1453190A1 Connection between a rectifier and a voltage regulator in a vehicle alternator
09/01/2004EP1453189A1 Motor
08/2004
08/31/2004US6784586 Hybrid alternator with an axial end retainer for permanent magnets
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