Patents
Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046)
06/2004
06/30/2004CN1508640A Magnetic-field analysing process of rotary motor
06/30/2004CN1156067C Core of rotary motor and manufacture thereof
06/29/2004US6756759 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor
06/29/2004US6756716 Insulation element and method for introducing winding elements into grooves on an armature
06/29/2004US6756710 Electrical rotating machine and process for the manufacture thereof
06/29/2004US6756705 Linear stepper motor
06/29/2004US6755883 Punch, powder pressing apparatus and powder pressing method
06/24/2004WO2004054073A1 Method of manufacturing segment for flat commutator
06/24/2004WO2004054069A1 An electrical machine
06/24/2004WO2004027104A3 Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions
06/24/2004US20040122613 Electro-magnetic field analysis program of electric rotating machine
06/24/2004US20040119374 Axial flux induction motor
06/24/2004US20040119366 Magnetic motor
06/24/2004US20040119364 Armature bar mounting and method of mounting an armature bar
06/24/2004US20040119362 Stator winding having cascaded end loops
06/24/2004US20040117975 Stator of rotary electric machine and method for making the same
06/24/2004DE4394319B4 Ankerspulen-Wickelverfahren Armature coil winding method
06/24/2004DE10358375A1 Noise classification of electric motors, especially automobile starter motors, whereby noise related parameters are assigned to classes and then treated statistically, especially using a fuzzy logic system
06/24/2004DE10258606A1 Electric motor for electric hand power tool, has stator body with raised portions axially extending over lamella surface and clamped between radially extending housing parts in axially force-transmitting manner
06/24/2004DE10256399A1 Käfigläufer für einen Elektromotor und Verfahren zum Herstellen eines solchen Käfigläufers Squirrel-cage rotor for an electric motor and method of manufacturing such a squirrel-cage rotor
06/23/2004EP1432084A1 Multi-plane adjustable connector
06/23/2004EP1430587A1 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors
06/23/2004EP1075727B1 Carbon commutator
06/23/2004CN1507378A Electrical devices including a switched reluctance motor
06/22/2004US6753636 Spindle motor for hard disk drives with improved running accuracy
06/22/2004US6753632 Controlling electric motor cogging
06/22/2004US6753628 High speed spindle motor for disc drive
06/22/2004US6752343 Winding fabrication method and apparatus for electric coils
06/17/2004US20040113510 Electrical machine
06/17/2004US20040113508 Dynamo-electric machine
06/17/2004US20040113505 Method of fixing unmagnetised magnetisable members to a rotor disc and a rotor disc
06/17/2004US20040111869 Method for producing an encased rotor of a permanent magnet
06/17/2004US20040111859 Finishing method for stepping motor stator stack and rotor stack
06/17/2004DE10256760A1 Insulating varnish applying method for electric machine windings, involves using specific plate or block having recesses/depressions such that varnish remains in depressions until pressed by pressure plug for transfer to conductive element
06/17/2004DE10147310B4 Schalenförmiger Magnet A shell-shaped magnet
06/16/2004EP1428005A1 Method and apparatus for the dynamic balancing of a rotating structure
06/16/2004EP1307957B1 Stator for electric motors
06/16/2004CN1505245A Electric motor coil drying equipment
06/16/2004CN1505244A Combined thread-clamping board
06/16/2004CN1505243A Electric unwinder
06/16/2004CN1154223C Spindle motor
06/16/2004CN1154221C Method for producing connecting parts and motor by using said parts
06/15/2004US6749145 Winding method and device for an armature for rotary electric machines
06/15/2004US6749144 Winding method and winding device
06/10/2004WO2004049546A1 Flat air core coil and method for producing same
06/10/2004US20040108788 Armature for an electric machine and method for producing the same
06/09/2004EP1427090A1 Squirrel-cage rotor for an electric motor and manufacturing method for this squirrel-cage rotor
06/09/2004EP1427088A2 Rotor with bonded permanent magnets for an electric motor
06/09/2004EP1230053B1 Method of producing an armature segment of an electrical machine
06/09/2004DE10355618A1 Kombinations-Statorkern für eine elektrische Rotationmaschine Combination stator core for an electric rotary machine
06/09/2004DE10259521A1 Manufacturing stator for electrical machine, especially small electric motor, involves directly winding annular coil onto stator teeth, and fixing wound teeth onto one-piece closed short-circuit ring
06/09/2004DE10252316A1 Stator body for internal rotor DC motor e.g. for fans and coolant pumps for automobile, has stator body divided into several stator sections, each containing pole shoes of one phase
06/09/2004CN2620419Y Optimized structure for small motor
06/09/2004CN2620418Y Dabber with woven rope for large electric generator
06/09/2004CN1504005A Drum communicator and method for producing same
06/09/2004CN1503437A Section drawing device for mfg method of solenoid used in surface wound machine
06/09/2004CN1503436A Wire mould for making solenoid used in surface wound machine
06/09/2004CN1503435A Method for mfg of stator of disc driver motor
06/09/2004CA2452197A1 Multiple wire winding
06/08/2004US6747388 Laminated iron core for rotary electric machine
06/08/2004US6746490 Winding method and structure for stator coils
06/08/2004US6745973 Machine for winding dynamo-electric stators
06/08/2004US6745972 Method of winding skewed armature and device therefor
06/08/2004US6745458 Laminated magnetic core and method for making
06/08/2004US6745456 Apparatus and method of making a rotor core with elimination of outer periphery machining
06/08/2004CA2246312C Process for the production of laminated cores and electromagnetic units produced therefrom
06/03/2004WO2004047254A1 Motor and method for manufacturing motor
06/03/2004WO2004047253A1 Poly-phase electromagnetic device having an improved conductor winding arrangement
06/03/2004WO2002065623A8 A method for installing a stator winding
06/03/2004US20040104638 Combined stator core for an electric rotary machine
06/03/2004US20040103826 Pallet for handling electric motor armatures on automatic production lines
06/03/2004US20040103532 Apparatus and method for repairing water-cooled generator stator bar clips
06/03/2004US20040103521 Manufacturing method and composite powder metal rotor assembly for circumferential type interior permanent magnet machine
06/03/2004CA2504685A1 Poly-phase electromagnetic device having an improved conductor winding arrangement
06/02/2004EP1424761A1 Permanent magnet type rotor and method of manufacturing the rotor
06/02/2004EP1423902A1 Modular system for suspending and rotating a rotary shaft
06/02/2004EP1423901A1 Generator housing
06/02/2004EP1423899A1 Traveling wave machine
06/02/2004CN1152462C Preparation process of magnetic slot wedge
06/01/2004US6744341 Polarizing device for a permanent magnet rotor
06/01/2004US6744168 Stator and stator manufacturing method
06/01/2004US6742631 Secondary part of a linear motor, method for the production thereof, linear motor with secondary part and use of the linear motor
06/01/2004US6742239 Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith
06/01/2004US6742238 Flare tooth stator for an AC generator
06/01/2004CA2378123C Dishwasher
05/2004
05/27/2004WO2004045048A1 Slotless rotary electric machine and manufacturing method of coils for such a machine
05/27/2004US20040100160 Drum commutator and method for producing the same
05/27/2004US20040100158 Rotor, rotor assembly,method and machine for manufacture of rotor elements
05/27/2004US20040100157 Electric machine end turn connectors
05/27/2004US20040100156 Process for the production of a rotor, containing permanent magnets, of a synchronous machine, and rotor produced according to this process
05/27/2004US20040100152 Electrodynamic linear direct drive and method for producing a coil system therefor
05/27/2004US20040098856 Motor production method and coil insertion apparatus
05/26/2004EP1421664A1 Electric motor excited by permanent magnets
05/26/2004CN1151598C Resin moulded brushless DC motor and mfg. method thereof
05/25/2004US6741420 Hydrodynamic spindle motor with an internally disposed heating element
05/25/2004US6741009 Armature of rotating electrical machine and wire winding method thereof
05/25/2004US6741005 Strip of lamination sectors and a method of manufacturing a magnetic circuit for an electrical machine
05/25/2004US6741004 Creased armature winding insulator for dynamo-electric machine
05/25/2004US6741001 Spindle motor and bearing assembly
05/25/2004US6739543 Device for winding a multipole stator