Patents
Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046)
07/1991
07/24/1991CN2081601U Stator coil end protecting device with automatic wire-protecting tooth
07/23/1991US5033941 Method for assembling rotors without fixtures
07/17/1991EP0436721A1 Method of assembling a brushless motor
07/17/1991CN2081169U Punching and rolling machine for disc motor rotor and stator iron core
07/10/1991CN2080725U 自动绕线机 Automatic winding machine
07/10/1991CN1052977A Manufacturing process for motor cores without wastes
07/10/1991CN1052976A Method for mass producing interior magnet rotary machine and interior magnet rotary machine produced thereby
07/09/1991US5029619 Wire monitoring system for a wire handling machine
07/09/1991US5029379 Method of making a motor field winding with intermediate tap
07/02/1991US5027500 Generator rotor slot wedge assembly and disassembly
07/02/1991CA1285357C Method of waterproofing electric motor
06/1991
06/27/1991WO1991009449A1 Slotless, brushless, large air-gap electric motor
06/27/1991WO1991009448A1 Device for assembling, by sectors, a stator core of a vertical electric machine, for example, a hydrogenerator
06/27/1991WO1991009447A1 Device for relaminating a stator core of a vertical electric machine
06/27/1991WO1991009446A1 Method of assembling a stator of a vertical hydro-generator
06/27/1991WO1991009441A1 Liquid crystal polymer for electric component insulation
06/27/1991WO1991009319A2 Process and device for verifying the cut-off torque of an actuator
06/25/1991US5026518 Compacting; sintering; sealing agent; outer coating, corrosion resisant, magnetic stability
06/25/1991US5025999 Coil winding form apparatus
06/25/1991US5025997 Multi-phase synchronous automatic winding method and apparatus for motor stators
06/25/1991CA1285124C Method of forming permanent magnets within a motor yoke
06/19/1991EP0433037A1 Spindle motor and disk drive provided therewith
06/19/1991EP0432720A1 Stator winding head, exchange set therefor and method for its replacement
06/19/1991EP0432322A1 Electrical motors
06/19/1991CN1052399A Winding tape apparatus and winding tape system
06/18/1991US5025185 Bubble trap for epoxy sealant in a submersible electric motor
06/18/1991US5024857 Two-step coating; strength; vibration and spinning proof
06/16/1991WO1991009443A1 Method for mass producing an interior magnet rotary machine and the interior magnet rotary machine produced thereby
06/16/1991CA2071992A1 Method for mass producing an interior magnet rotary machine and the interior magnet rotary machine produced thereby
06/11/1991US5022139 Method of inserting a stator winding into a stator
06/11/1991CA1284812C Reinforced rotor assembly and method of making same
06/05/1991EP0429766A2 Methods and apparatus for marking and identifying hooks of electric motors
06/05/1991EP0248798B1 Synchronous electric motor with magnetized rotor and method for fabricating said motor
06/04/1991US5020234 Prober for testing generator stator wedge tightness with rotor in place
06/04/1991US5020211 Method for manufacturing a yoke for a stepping motor
05/1991
05/30/1991WO1991007764A1 Controlled drying-impregnation-polymerization processes
05/23/1991DE4036337A1 Protection hood for electric motor stator winding - contacts both rim and end face of stator packet, and prevents rotation of rotor during assembly
05/21/1991US5016340 Method of manufacture of a rotor core member for a dynamoelectric machine
05/16/1991WO1991007004A1 Induction motor of the outer rotor-type
05/14/1991US5015159 Fuel pump
05/08/1991EP0426152A1 Compressor and method of detecting quantity of mixture of coolant and lubricant in the compressor
05/02/1991WO1991006146A2 Improved motors and methods of making the same
05/02/1991EP0425182A1 Electric motor
05/02/1991EP0425069A1 Method for connecting wires to terminals having tangs and cutting the wires at the terminals
04/1991
04/30/1991US5011365 Apparatus for feeding bundles of laminations
04/30/1991US5010639 Transfer tool and cover-strip magazine for drawing coils into stators of electric motors
04/30/1991US5010638 Method for the assembly of small electrical machines
04/25/1991DE4036113A1 Chemical treatment bath for part made of aluminium steel - comprising upper bath fed via pump from lower bath with upper bath having rapid draining holes to empty bath when pump is switched off
04/18/1991WO1991004854A1 Heat-expandable plastic laminate, process for making it and use thereof
04/17/1991EP0422931A1 Method for manufacturing stator rotating machine
04/17/1991CN1012407B Working method of disk motor iron core and punching apparatus
04/16/1991US5008572 Encapsulated motor with precision bearing registration
04/10/1991EP0421492A2 Production line for and method of processing pallet-mounted electric motor stators
04/10/1991EP0421346A2 Method for producing an electric rotary machine such as a motor of DC brushless type
04/10/1991CN2074948U Manual wire impaction device for electric motor
04/09/1991US5006045 Scroll compressor with reverse rotation speed limiter
04/09/1991US5005281 Method of making rotor and stator pole assemblies by stamping magnetic plate
04/09/1991CA1282579C Apparatus and method for forming and inserting wave windings into a dynamoelectric machine stator core
04/04/1991DE3927914A1 Vorrichtung zum bewickeln eines ankers mit draht Apparatus for wind the wire with a ankers
04/03/1991EP0419849A1 Methods and apparatus for fusing armature and stator wires
04/02/1991US5004577 Frame and magnet assembly for a dynamoelectric machine
04/02/1991US5003686 Method of manufacturing a synchronous electric motor with magnetized rotar
03/1991
03/28/1991DE3930795A1 Dipping coils etc. in liq. resins - machine rotates coils and brings up to them series of baths contg. resin which is kept at constant level and then lowers baths again
03/27/1991EP0419124A1 Stator assembly for an alternating current generator
03/26/1991US5001828 Apparatus for removing coil wire from a stator
03/21/1991WO1991003860A1 Dynamoelectric machine with superconducting magnet rotor
03/20/1991CN2073628U Heat treatment device with multipole magnetic steel's magnetic field
03/13/1991EP0416747A1 Lead straightening and trimming apparatus
03/13/1991CN1049908A Prober for testing generator stator wedge tightness with rotor in place
03/12/1991US4999533 Dynamoelectric machine
03/07/1991WO1991003097A1 Device for winding an armature with wire
03/06/1991EP0415493A1 Method for winding an armature body of an armature, and electric machine provided with an armature produced by the method
03/06/1991EP0415042A2 Prober for testing generator stator wedge tightness with rotor in place
03/06/1991EP0414975A1 Thermosetting resin composition
03/06/1991CN1049758A Embedding-winding method and equipment for directly-wound hollow cup-type armature
03/05/1991US4998034 Low speed high torque motor with production method
03/05/1991US4997138 Winding a coil of wire
03/05/1991US4997002 Power transmission
02/1991
02/26/1991CA2002063A1 Thermosetting resin composition
02/21/1991WO1991002398A1 Alternating current generator with a central lamella in the stator bundle and process for manufacturing the central lamella
02/21/1991DE3926874A1 electromotor housing with welded or cast beads or lugs - uses jaw clamps and carriers to eliminate radial distortion during machining
02/19/1991US4994697 Stator terminal board
02/19/1991US4993290 Method of stamping rotor and stator laminations
02/13/1991EP0412954A1 Bearing shield for an electric motor
02/12/1991US4991782 Machine and method for forming windings on electric motor stators
02/12/1991US4991631 Lead straightening and trimming apparatus
02/07/1991WO1991001588A1 Process for the assembly of an electric motor
02/07/1991WO1991001562A1 Anisotropic plastic-bonded magnet
02/07/1991DE3925365A1 Wechselstromgenerator mit statorpaket-mittellamelle und verfahren zur herstellung der mittellamelle Alternator stator-middle lamella and process for manufacturing the medium lamella
02/06/1991EP0411275A2 Methods and apparatus for making stators for electric motors and the like, and improved terminal boards therefor
01/1991
01/31/1991DE4022790A1 Packaging arrangement for despatch of fractional-horsepower motors - encloses stack of stators embedded in solid foam with spacers of similar material restraining axial movement
01/30/1991EP0410933A1 Tubular motor with reduction gearing and with double insulation
01/30/1991EP0410127A1 Electrical machine as D.C. tachometer generator
01/29/1991US4987674 Method of making a dynamoelectric machine with superconducting magnet rotor
01/23/1991EP0408832A2 Device for the manufacture of stranded conductors
01/23/1991CN2070054U Apparatus for punching and winding disk-like stator core of motors
01/19/1991CA2020701A1 Method of packaging motors for shipment and packaging apparatus therefore
01/17/1991DE3922526A1 Embedding device drawing stator windings into grooves - carries windings between prongs of mouldings distributed around edge of spacer inserted by hand into stator opening
01/16/1991EP0408486A1 Structure and method of assembly of bearing support means to the stator assembly of an electric motor
01/16/1991EP0407709A1 Method for manufacturing Roebel-bars