Patents for H02K 1 - Details of the magnetic circuit (44,776)
10/1993
10/28/1993DE4213375A1 Permanent-magnet internal rotor esp. for brushless motor - has two magnets with rectangular cross-section bonded to nonmagnetic shaft and held between massive shells completing cylindrical structure
10/28/1993DE4213374A1 Permanent-magnet rotor esp. for brushless DC motor - has two magnets mounted on opposite sides and secured by material enveloping projections from both magnets and rotor core
10/28/1993DE4213372A1 Permanent-magnet electric machine with rounded ends of stator teeth - spreads magnetic flux at leading and trailing ends flanking gaps between adjacent pole pieces close to rotating radial magnets
10/27/1993EP0566787A1 Dual propeller shock resistant submersible propulsor unit
10/27/1993CN2144896Y Numerical control full speed electric/motive power device
10/27/1993CN1077823A A miniature motor
10/26/1993US5257174 Engine-driven power generating system with over-current protection and stator teeth with grooves on a top surface
10/26/1993US5256926 Alternating-current generator with stator center lamination and method for producing the center lamination
10/26/1993US5255425 Method of manufacturing laminated core for dynamo-electric machine
10/26/1993CA1323650C Electrically commutated motor having an edgewise wound yoke
10/20/1993EP0565840A2 Variable reluctance motor, in particular commutated reluctance motor for position driving
10/19/1993US5254925 Permanent magnet control means
10/19/1993US5254895 Motor for disc drive
10/19/1993CA2023234C Electric rotary machine, method for producing the same and hydro-electric power installation with the machine
10/17/1993CA2094093A1 Apparatus for cooling end regions of a stator core
10/14/1993WO1993020609A1 Set of stator laminations for uncased three-phase motors
10/13/1993EP0565312A2 Integral motor and control
10/13/1993EP0565040A2 Rotor for a permanent-magnet motor
10/13/1993EP0564759A1 Asynchronous motor
10/13/1993EP0368940B1 Electric motor
10/12/1993US5252940 Soft magnetic material
10/12/1993US5252879 Multi-part rotor shaft for small electric motors
10/12/1993US5252873 DC brushless motor
10/12/1993CA2058479C Stacked lamination assembly for dynamoelectric machine
10/06/1993EP0564258A2 A miniature motor
10/05/1993US5250866 Structure for fixing permanent magnets in motor
09/1993
09/30/1993WO1993019513A1 Electromagnetic actuator
09/30/1993WO1993019020A1 Radial anisotropic cylinder type ferrite magnets and their manufacturing methods and motors
09/29/1993EP0562610A1 Pair of cores with air gap of the truncated cone type, obtained from ferromagnetic tape for an electric rotary machine, in particular for an electric induction motor, and relative production method
09/29/1993EP0562534A1 Air gap baffle ring for a dynamoelectric machine
09/29/1993EP0562505A1 Process for lamination slot openings of electric machines
09/29/1993EP0561988A1 Motor having integral detent.
09/28/1993US5248911 Laminated stator with improved flux pattern
09/28/1993CA1322454C Air conditioner equipped with scroll type compressor
09/24/1993CA2092132A1 Air gap baffle ring for a dynamoelectric machine
09/24/1993CA2063753A1 Inductor alternators
09/22/1993EP0561463A1 Electrical machine and method of manufacturing the electrical machine
09/22/1993EP0561013A1 Single-phase synchronous motor
09/22/1993EP0560972A1 Skewing of pole laminations of a switched reluctance machine to reduce acoustic noise
09/21/1993US5247216 Stepper motor with integrated assembly
09/16/1993DE4205926A1 Elektrische pumpe Electric pump
09/15/1993EP0413708B1 Electric machine, in particular tubular generator
09/14/1993US5245236 Industrial heat dissipating electric fan
09/08/1993EP0558746A1 Rotor of brushless motor
09/08/1993EP0558691A1 New category of magnetic materials, their production and use.
09/08/1993EP0410975B1 Electric synchronous machine with segmental rim rotor and hollow shaft
09/08/1993CN1022075C Nd-Fe-B-Zn-plated magnetic ring of clock step motor and its electroplating method
09/07/1993US5243248 Electric motor having a low loss magnetic flux return path
09/07/1993US5243245 Structure and method of fixing housing
09/02/1993WO1993017487A1 Induction module for an asynchronous linear electric motor and method for manufacturing same
09/02/1993WO1993017485A1 Motor equipped with stator cooling means
09/02/1993WO1993017484A1 Electric pump
09/02/1993WO1993017483A1 Rotor of synchronous motor
09/02/1993DE4302901A1 Core structure for dynamo machine - has arc core segments with front and back magnetic yokes connected along line such that front yoke has number of teeth
09/02/1993CA2130446A1 Induction module for an asynchronous linear electric motor and method for manufacturing same
09/01/1993EP0557368A1 Magnetic cement-bound bodies.
09/01/1993CN1075835A Rare-earth permanent magnet element of motor rotor
08/1993
08/31/1993US5241229 Magnetic disc drive motor
08/26/1993DE4205255A1 Permanently excited DC machine e.g. electric motor - has neighbouring poles of opposite polarity forming common magnet segment
08/25/1993EP0557037A2 Method for producing inner stators for electromagnetic pumps
08/25/1993EP0556914A2 Method of manufacturing a magnetic device
08/25/1993EP0556425A1 Multiple magnetic paths machine
08/25/1993EP0556376A1 Magnetically isolated bolts for lim
08/24/1993US5239221 Combined stator for a carbon brush motor
08/24/1993US5237737 Method of making a permanent magnet rotor
08/20/1993CA2080162A1 Electromagnetic motor
08/18/1993CN2140584Y 外转子无级调速电动机 External rotor motor stepless
08/17/1993US5237232 Rotor of AC generator
08/17/1993US5237231 Brush plate assembly for an electric motor
08/12/1993DE4203689A1 Small electromotor with frame incorporating no screws - has retaining tongues at ends of stator lamination stack supports for slotting into rotor bearing plates
08/12/1993DE4203669A1 Fixing arrangement securing stator laminations to supporting elements - has pairs of pointed projections from corners of laminated stack between which supports extending between rotor bearing plates are inserted
08/10/1993US5235231 Dynamoelectric machines having energy-efficient stator constructions and method
08/05/1993WO1993015547A1 Brushless dc motors/generators
08/05/1993WO1993015513A1 Permanent magnet control means
08/04/1993EP0553866A2 Permanent magnet control means
08/04/1993EP0553354A1 Brushless DC motor without position sensor
08/04/1993CN1075034A Asynchronous motor with stepless speed regulating
08/03/1993US5233255 AC generator for vehicles
08/03/1993US5233254 Conical rotor for switched reluctance machine
08/03/1993US5233252 Motor having integral detent
08/03/1993US5233248 Heat resistant and explosion-proof type permanent magnetic synchronous motor
08/03/1993US5232652 Method of making a stator of a motor with permanent magnets embedded therein
08/01/1993CA2088090A1 Permanent magnet control means
07/1993
07/28/1993EP0552378A1 Stator/housing assembly of an electric motor
07/28/1993EP0552365A1 Method of protecting the magnets of a permanent magnetic rotor against corrosive agents
07/22/1993WO1993014552A1 Lightweight high power electromotive device
07/20/1993CA2057009C Stator mounting arrangement
07/20/1993CA1320529C2 Rotor assembly and motor construction and method of making same
07/15/1993DE4200239A1 Rotor for electric machine esp. transversal flux machine - fills recesses between permanent magnets with fluid adhesive which flows to fill gaps when magnets are pushed in.
07/14/1993EP0550709A1 Magnetically driven motor
07/14/1993CN2138363Y Large torque synchromotor
07/13/1993US5227687 Stator retention mechanism
07/13/1993US5227686 Spindle motor
07/07/1993EP0550102A2 Stepper motor with integrated threaded driving assembly
07/07/1993CN2137836Y Multi-function mini-size rare earth generating diesel engine unit
07/07/1993CN2137835Y Magnetic electric generator for civil use
07/07/1993CN1074064A Fully numerical-controlled electric towing
07/06/1993US5224259 Metal wrapped non-metallic magnetic component for use about a rotor or the like and method of making the same
06/1993
06/30/1993EP0549430A1 Permanent magnet rotor and electrodynamic machine, such as a collectorless motor, using this rotor
06/30/1993EP0549428A1 Permanent magnet rotor and dynamo-electric machine, such as a brushless motor, equipped therewith