Patents
Patents for H02K 15 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing dynamo-electric machines (28,046)
04/1989
04/26/1989EP0313514A1 Manufacturing method of a non-slotted stator for an electric motor and electric motor fitted with such a stator
04/26/1989CN2036720U Small motor's winding inserting tool with high- and low guiding fingers
04/25/1989CA1252987A1 Method for forming multi-laminate core assembly
04/20/1989WO1989003605A1 Motor equipped with non-welding coupled leg
04/20/1989DE3834790A1 Electric motor, especially for lifts, and a method for fitting the stand on the base
04/12/1989EP0310989A1 Method and device for removing sheets from a pile
04/11/1989US4819322 Method for manufacturing a flat coil
04/04/1989US4819104 Disk pack drive with electric motor having sintered permanent magnets
04/04/1989US4818905 Slotless and toothless wound stators
04/04/1989US4818305 Process for the production of elongated articles, especially magnets, from hard powdered materials
04/04/1989US4817256 Automatic machine for forming induction windings in the rotor slots of dynamo-electric machines
03/1989
03/28/1989US4816711 Lanced strip and edgewise wound core
03/28/1989US4815673 Streamlined production of electric motor armatures and stators
03/28/1989CA1251623A1 Method and apparatus for manufacturing a preform for a flat coil dynamoelectric device
03/23/1989DE3729289A1 Device for winding coils for electrical machines, having an actuating device for the template width
03/22/1989CN2034750U Overhauling tool for electric machine
03/15/1989EP0306928A2 Magnet for motor and method of manufacturing same
03/14/1989US4812696 Motor core with winding slots having reduced air gaps
03/14/1989CA1251029A1 Method of manufacturing electromagnetic members
03/08/1989EP0305921A2 Method of adjusting thermal balance of rotor
03/07/1989US4810919 Low-torque nuts for stator core through-bolts
03/07/1989US4809429 Apparatus for manufacturing laminated assemblies having ridges formed on projections which interlock with recesses of adjacent laminations
03/07/1989CA1250883A1 Edgewise wound core, method of forming such, and lanced strip
02/1989
02/28/1989US4808896 Control device for heating deep-sea electric motor oil
02/28/1989US4807354 Method of rearranging components of a dynamoelectric machine
02/21/1989US4806807 Method and apparatus for bolted series/phase generator connections
02/21/1989US4806806 Wrappings of tape with mica particles and impregnating resin
02/21/1989US4805289 Motor mount and method of making
02/14/1989US4804872 Rotor of a built-in motor
02/14/1989CA1249915A1 Method of production of cylindrical body
02/09/1989WO1989001257A1 Stator end member and method of asssemblying on stator
02/08/1989EP0302116A1 Method of inserting rotor of motor and motor suitable therefor
02/08/1989EP0185039B1 Improvement to turning machines with magnets in the rotor
02/08/1989CN2032372U Adjustable winding model
02/07/1989US4803028 Injection molding, curing, forming composite insulation, about series loop
02/01/1989CN2031972U Magnet-aligning technique in permanent-magnet dc motor
01/1989
01/31/1989US4800646 Transfer tooling for wire coils
01/25/1989EP0300594A1 Magnet positioning apparatus
01/25/1989EP0300057A1 Engine starter.
01/18/1989EP0299442A1 Method for producing a small superconducting solenoid
01/12/1989DE3811655A1 Multipolar cylindrical permanent magnet - comprises sintered rare-earth iron-boride with optimised thickness for highest flux density and cracking resistance
01/10/1989US4796451 Apparatus and method for continuously forming edgewise wound cores
01/10/1989US4796352 AC servomotor and a method of manufacturing the same
01/05/1989DE3720921A1 Device for stacking laminates, and a method which can be carried out with said device in order to produce stators or rotors of electrical machines
01/04/1989EP0297552A2 Composite structures and methods of manufacturing the same
01/04/1989EP0297278A2 Armature of rotary machine and manufacturing method thereof
01/03/1989US4794778 Core sizing apparatus
12/1988
12/29/1988WO1988010530A1 Method of molding motor stator
12/21/1988EP0295744A1 Multipolar rotor
12/21/1988EP0295617A2 Magnetic top wedge
12/21/1988CN88102119A Winding type asynchronous motor and its manufacturing method
12/20/1988US4792462 Coating stator windings by immersion in solventless varnish
12/14/1988EP0294978A2 Wire supply method and apparatus
12/13/1988US4790063 Method and apparatus for fabricating armature of flat motor
12/07/1988EP0294050A2 Insulation system for multiturn coils of high voltage electrical rotating machines
12/06/1988US4788761 Method of assembling a core and method of assembling a slot liner
11/1988
11/23/1988CN88210208U Universal coiling machine for motor coils
11/22/1988US4786004 Armature winding machine with removable shrouds
11/17/1988WO1988009080A1 Streamlined production of electric motor armatures and stators
11/17/1988EP0290748A2 Rotating electric machine with external rotor
11/15/1988US4784312 Method of producing a frame body for an electric motor
11/09/1988EP0289759A1 Machine for driving and variable length cutting of the armature paper of the electric motors rotor
11/09/1988EP0289610A1 Bearing structure of high speed motor
11/09/1988CN88203551U Lamination stacking machine for electric motor stator core
11/01/1988US4782254 Direct-current dynamo electric machine, and method of manufacture
11/01/1988CA1243825A1 Coil inserter
10/1988
10/18/1988US4779069 Apparatus and method for making integral coaxial communication and rotor magnets
10/18/1988US4777717 Method for manufacturing a magnet-type motor yoke assembly
10/11/1988US4777446 Machine for the automatic testing of electric motor rotors
10/11/1988US4776082 Electric motor repair
10/06/1988WO1988007781A1 Method and device for the assembly of small electrical machines
10/06/1988DE3709687A1 Winding apparatus
09/1988
09/29/1988DE3808806A1 Device for prestressing the annular stator core laminates of a large electricity generator
09/22/1988DE3707682A1 Method for making contact with the connecting ends of a wire which is coated with insulating varnish, and a soldering bit for carrying out this method
09/21/1988EP0282876A2 Method for winding the coils for an air gap motor
09/21/1988CN88100071A Method and apparatus for gnerator series connection or mutual connection fixed by boly
09/06/1988US4768727 Device for transferring a pallet-mounted electric motor armature to an armature winding formation station
09/06/1988CA1241512A1 Method of treating a loose wound core, method of fabricating a loose wound core, and method of operating apparatus
08/1988
08/31/1988EP0280410A1 Method and apparatus for stacking laminas
08/25/1988WO1988006373A1 Method of inserting rotor of motor and motor suitable therefor
08/25/1988DE3803752A1 Staender fuer einen kraftfahrzeug-drehstromgenerator und herstellungsverfahren dafuer Stands for a motor vehicle alternator and manufacturing method thereof
08/25/1988DE3643232A1 Method and device for step-by-step rotation of a binding head of a binding machine (bandaging machine)
08/23/1988US4765551 For winding slotted cores of dynamoelectric devices
08/17/1988EP0278200A1 Rotor assembly and motor construction and method of making same
08/17/1988EP0278153A1 Shed winding machine
08/16/1988US4763402 Applying hardenable synthetic resin
08/11/1988WO1988005864A1 Engine starter
08/09/1988US4763053 Electronically commutated DC machine and use thereof
08/09/1988US4763035 Inductive winding for flat motor
08/09/1988US4762283 Machine and method for forming windings on electric motor stators
08/02/1988US4761580 For dynamo electric machinery
08/02/1988US4760638 Apparatus for preparing stacks of armature disks
08/02/1988CA1239968A1 Electric machine
07/1988
07/28/1988WO1988005616A1 Device for swinging a nozzle holder
07/28/1988DE3701474A1 Device for the winding of armatures
07/27/1988CN88100251A Automatic commutator graduating and slice-identifying method and equipment
07/26/1988US4760300 Squirrel-cage type rotor and method for its manufacture
07/26/1988US4759117 Method of manufacture of a magnetic rotor core member for a dynamoelectric machine
07/26/1988US4759116 Method of applying containment shroud on permanent magnet rotors
07/20/1988EP0274969A2 Winding method for stators of electrical machines