Patents
Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046)
05/1990
05/09/1990EP0367490A2 Generator core support system and stacking fixture therefore
05/08/1990US4924124 Electric motor
05/08/1990US4922741 Stator coil former
05/08/1990US4922604 Method of fabricating an encapsulated motor
05/03/1990WO1990004876A1 Motor field winding with intermediate tap
05/03/1990WO1990004874A1 Laminated stators for dynamo-electric machines
05/01/1990US4922165 Core and slot liner
05/01/1990US4922144 Rotor assembly structure
05/01/1990US4921178 Machine for winding a rotor for a rotating electrical machine
05/01/1990CA2001909A1 Generator core support system
04/1990
04/25/1990EP0365233A1 Rotor in an electric motor
04/25/1990CN1041671A Working method of disk motor iron core and punching apparatus
04/24/1990US4918962 Apparatus and method for forming edgewise wound cores
04/24/1990US4918835 Apparatus for completing a linear motor stator
04/24/1990US4918834 Repair aid for a two-cycle internal combustion engine
04/24/1990US4918831 Method of fabricating composite rotor laminations for use in reluctance, homopolar and permanent magnet machines
04/24/1990US4918830 Method of preparing a permanent magnet DC machine
04/24/1990US4918802 Method and apparatus for making permanent magnet rotors
04/24/1990US4918801 Insulation system method for multiturn coils of high voltage electrical rotating machines
04/11/1990EP0362812A2 Bonded isotropic R-Fe-B-magnet and method for making it
04/11/1990CN1041247A Combined inner-stator iron core
04/10/1990US4916346 Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines
04/10/1990US4915313 Armature winding machine with quick-change tooling
04/10/1990US4914934 Method of forming an edgewise wound core
04/05/1990WO1990003686A1 Brushless motor
04/04/1990EP0361775A2 Improvements in or relating to machine drives and/or methods of making the same
04/04/1990EP0360910A1 Motor mounting
04/03/1990US4913362 Swing mechanism for nozzle holders
04/03/1990US4913337 Method of manufacturing dynamoelectric machine frame
04/03/1990US4912834 Method of adjusting thermal balance of rotor
04/03/1990US4912833 Method of forming an edgewise wound core and method of operating apparatus
04/03/1990US4912831 Method for assembling bolted stator coils
03/1990
03/28/1990EP0360173A2 Arrangement for the dynamical compensation of the true running fluctuations of rotating bodies
03/27/1990US4911606 Method for providing rotor windings
03/27/1990US4911043 Apparatus and method for milling a trochoidal rotor
03/22/1990DE3930011A1 Rotor bearing for external rotor electric motor - uses bearing sleeves machined after securing to end faces of stator laminations packet
03/21/1990EP0359297A2 Methods and apparatus for winding two-pole electric motor stators
03/21/1990EP0359293A2 Production line for electric motor subassemblies
03/21/1990EP0358945A2 Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site
03/21/1990CN2054952U Sharp winding former for motor
03/21/1990CN1040712A Assembly method of nd-fe-b permanent-magnet electric motor for car
03/20/1990US4909057 Apparatus and methods for continuously forming edgewise wound cores
03/20/1990CA1266877A1 Electronically commutated dc machine and use thereof
03/14/1990EP0357596A1 Streamlined production of electric motor armatures and stators.
03/14/1990CN2054588U Rubber and nylon mixing hammer
03/13/1990US4908541 Air-cooled layered coil vehicle AC generator stator
03/13/1990US4908535 Insulated dynamo windings
03/07/1990CN2054229U Round waist type winding former of motor
03/07/1990CN1040292A Protection technique for motor heating
03/07/1990CN1040291A Armature for electric motor
03/06/1990US4905365 Method for assisting in manual movement of a stator coil insertion tool assembly
03/06/1990CA1266541A1 Formulation for electrodeposition of mica
02/1990
02/28/1990EP0355778A2 Method and device for bonding (curing) punched plates for electric machines
02/27/1990CA1266295A1 Armature for an electric rotary machine and method of manufacturing the same
02/22/1990WO1990001779A1 Plastic-bonded magnet
02/21/1990CN2053391U Turbogenerator with laminated rotor
02/21/1990CN1039936A Energy-saving multispeed asynchronous motor and making method
02/20/1990US4901572 Method and apparatus for measuring wedge
02/20/1990US4901433 Device for inserting a plurality of phase insulators in the cavities of the stator of a dynamo-electric machine
02/20/1990US4901428 Method of forming an edgewise wound core
02/14/1990CN2052984U Slot wedge storage device and push rod
02/14/1990CN1039684A 电枢 Armature
02/13/1990US4900945 Engine starter
02/13/1990US4899433 Method and device for lamination pickup from a stack
02/13/1990US4899432 Method for adjusting the axial play between the rotor and a motor
02/01/1990DE3831802C1 Low-pressure casting system for cage rotors of electric machines
01/1990
01/31/1990EP0352531A2 Pull-in needle
01/31/1990EP0352271A1 Method and device for the assembly of small electrical machines.
01/31/1990CN1039334A Stator coil former and metlhod of making same
01/31/1990CN1006671B Winding type asynchronous motor and its manufacturing method
01/30/1990CA1264921A1 Method and apparatus for positioning and transferring stator coil leads
01/23/1990US4896066 Laminated rotor slot closer
01/23/1990US4894904 Method of forming armature core of electric rotating machine
01/17/1990EP0350967A2 Resin-bonded magnet and its production
01/16/1990US4894573 Rotary electrical machines
01/10/1990EP0350232A2 Penetrable, epoxy resin composition
01/10/1990EP0349674A2 Method for manufacturing a gap pot made of fiber composite
01/10/1990CN2051026U Improved stator structure of brushless dc motor
01/09/1990US4893044 Rotor balancing
01/09/1990CA1264221A1 Coil removal apparatus for a dynamoelectric generator
01/03/1990EP0349142A1 An armature
01/03/1990EP0348715A1 Apparatus for the automatic adjustment of pallet workpiece support members
01/03/1990EP0348598A1 Inserting insulating material into electric motor stators
01/02/1990US4891540 Generator core support system
12/1989
12/26/1989US4890026 Electric motor with commutator directly molded on motor shaft and method of construction
12/26/1989US4888866 Method of optimizing armature balance through lamination orientation
12/20/1989CN1038190A Method for producing stack of laminations with skewed conductor slots and magnetic element produced by method
12/19/1989US4888512 Surface multipolar rare earth-iron-boron rotor magnet and method of making
12/19/1989US4888508 Device and procedure to adjust the axial play between the rotor and the stator mounted bearings of an electrical motor
12/19/1989US4888506 Coil in magnetic gap in ferromagnetic cylinder
12/06/1989CN2049041U Automatic processing mechanism for combined whirligig of motor rotor
12/05/1989US4885496 Stator end member and assemblies therewith and methods of assembly
12/05/1989US4884333 Method of making a stepper motor
12/05/1989CA1263686A1 Electric motor armature insulation
11/1989
11/30/1989WO1989011752A1 Method of forming a permanent magnet rotor
11/30/1989DE3817608A1 Method for producing a drive unit having gas bearings
11/29/1989EP0344020A2 Method for producing a stack of laminations with skewed conductor slots and a magnetic element produced by the method
11/29/1989EP0343661A2 Method and apparatus for making welded punched products
11/29/1989EP0343420A1 Apparatus for feeding bundles of laminations
11/29/1989CN1005949B Method for coil mfr.