Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 1 - Details of the magnetic circuit
Patents for H02K 1 - Details of the magnetic circuit (44,776)
01/1990
01/03/1990CN2050663U Permanent-magnetic motor
01/02/1990US4891540 Generator core support system
01/02/1990US4891538 Synchronous motor with sinusodial torque variation in each phase
12/1989
12/26/1989US4890028 Rotor for a turbo-generator
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
12/20/1989EP0346346A1 Alternating current generator having a rotor with claw-type poles.
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
12/19/1989US4888510 Rotary electric machine
12/19/1989US4888507 Stepping motor rotor assembly for an electronic timepiece
12/14/1989WO1989012346A1 Two-phase or multiphase synchronous electric motor with disk-shaped rotor
12/14/1989DE3918953A1 External rotor motor without a commutator
12/13/1989EP0345916A1 Submersible pump, parts thereof and methods of making the parts
12/12/1989US4886991 Asynchronous motor for spinning elements
12/12/1989US4886989 Motor mounting method and means
12/12/1989US4886392 Press-fit structure of a shaft
12/06/1989EP0345150A1 Electric motor with electronic commutation, particularly for driving a fluid displacement machine, in particular a hair dryer equipped with such a motor
12/06/1989EP0344472A1 Spindle driven by a single electric motor in a spinning machine
12/05/1989US4885495 Multi-piece amortisseur winding end plate
12/05/1989CA1263686A1 Electric motor armature insulation
11/1989
11/30/1989WO1989011752A1 Method of forming a permanent magnet rotor
11/29/1989EP0344020A2 Method for producing a stack of laminations with skewed conductor slots and a magnetic element produced by the method
11/29/1989EP0343457A2 Electric heteropolar machine rotor that ist premagnetizable by am homopolar magnetic field
11/29/1989CN2048642U Stator excitation of dc wind machine for automoble conditioner
11/29/1989CN2048636U Rare-earth permanent magnetic generator for small motor
11/29/1989CN1005948B Space block control means for dynamoelectric machine
11/28/1989US4883997 Two pole electric motor constructions with stator winding encircling the rotor and method of assembling same
11/28/1989US4882832 Method of manufacturing electric motor stator structure
11/23/1989EP0343126A1 A one-piece support and side cover structure for electric motors
11/23/1989EP0343125A1 A method of embodying the rotors of electric motors and the rotor obtained with such a method
11/23/1989EP0342332A2 Electric motor
11/22/1989CN2048251U Fan motor for refrigeration
11/22/1989CN1037433A Vertical shaft electric machine in shape of umbrella
11/22/1989CN1037431A Laminated pole
11/21/1989US4882515 Alternating current generator
11/21/1989US4882514 Submersible sodium pump
11/21/1989US4882513 Dual permanent magnet generator
11/21/1989US4881988 Curled, flexible, extruded magnetic strip in cylindrical shell
11/16/1989WO1989011176A1 Electric machine, in particular tubular generator
11/15/1989EP0341867A1 Pulse motor
11/14/1989US4881002 Miniature motor
11/14/1989US4881001 Stator laminate retainer assembly
11/07/1989US4879485 Permanent magnet rotor
11/07/1989CA1262614A1 Apparatus and methods for forming edgewise wound cores
11/02/1989WO1989010653A1 Synchronous motor
11/02/1989EP0340029A2 Electric motor
11/02/1989EP0339291A1 Vertical shaft electric machine of the screen type
11/02/1989EP0339271A1 Laminated pole
10/1989
10/31/1989US4878055 Remote control device
10/31/1989US4877986 Rotor of magnetic generator
10/26/1989DE3812461A1 Elektrische synchronmaschine mit blechkettenlaeufer und hohlwelle Electric synchronous machine with blechkettenlaeufer and hollow shaft
10/25/1989EP0338610A2 Electrical synchronous reluctance machine provided with intrinsic phase adjusting means
10/25/1989CN1036671A Compensation circuit for electrical generators
10/24/1989US4876473 Armature
10/24/1989US4876470 Gas-cooled electric machine
10/24/1989US4876469 Rotor of a cryogenic dynamoelectric machine
10/19/1989WO1989010023A1 Electric synchronous machine with segmental rim rotor and hollow shaft
10/18/1989EP0337646A2 Rotor assembly for a dynamo electric machine and dynamo electric machine
10/18/1989CN1036483A Subslot liner for rotor of dynamoelectric machine
10/11/1989EP0336042A2 Dynamoelectric machine rotor
10/11/1989CN2045911U Super-high slip ratio asynchronous motor rotor
10/10/1989US4873461 Electric motor sterilizable surgical power tool
10/04/1989EP0161314B1 Generator armature cooling and air gap sealing system
10/04/1989CN1036106A Double bevel wedge
10/03/1989US4871934 Induction motor
10/03/1989CA1262168A1 External magnet flywheel mounting
09/1989
09/27/1989EP0334662A2 Magnet-retaining structure for an electric motor
09/27/1989EP0334020A1 Double slanting wedge
09/27/1989EP0333871A1 Rotor structure of synchronous motor
09/27/1989EP0333869A1 Rotor structure of synchronous motor
09/27/1989EP0153324B1 Method of assembly of a rotor
09/26/1989US4868970 Method of making an electric motor
09/21/1989WO1989008941A1 Rotor structure and end plate member used therefor
09/20/1989EP0156819B1 Rotor for a permanent magnet generator
09/20/1989CN2044773U Rotor for permanent-magnet excited motor
09/19/1989US4868439 Lanced strip, dynamoelectric machine, core, and stationary assembly
09/19/1989US4868438 Three-phase induction motor
09/19/1989US4868436 Rotating electric machine with external rotor
09/14/1989DE3906368A1 Method for producing a stator magnetic circuit of rotating electrical machines or a magnetic circuit of transformers, and a magnetic circuit thus obtained
09/13/1989EP0332269A2 Rotor for an electric motor
09/13/1989EP0331740A1 MAGNETIC CORE MATERIAL FOR HIGH FREQUENCY MADE OF Fe-Co BASE ALLOY
09/12/1989US4866324 Brushless motor
09/12/1989US4866323 Synchronous electric motor with magnetised rotor and method of manufacturing this motor
09/08/1989WO1989008346A1 Electric machine
09/06/1989EP0331180A1 Electric machine
09/06/1989CN1035398A Motor or alternator
09/05/1989US4864177 Stator lamination design for two-pole single-phase induction motor
09/05/1989US4864176 Stator support structure with stamped end plates
09/05/1989US4864175 Rotor for an electric motor
09/05/1989US4863805 Rare earth-iron magnet
09/05/1989CA1259092A1 Stepper motor housing and pole structure
08/1989
08/29/1989US4861468 Rotor impeller assembly
08/24/1989DE3804317A1 Material with predefinable dielectric and/or magnetic properties, method of production for the material and use of the material
08/22/1989US4859895 Armature coil slots having grooves formed in its throat
08/22/1989US4859892 Apparatus for securing magnetic poles of magnet-type rotating machines
08/22/1989US4859891 Subslot liner for rotor of dynamoelectric machine
08/15/1989US4857786 Structure of stepping motor and method of driving the stepping motor
08/10/1989WO1989007361A1 Motor housing assembly
08/10/1989DE3802890A1 Impeller suds pump for washing machines or dishwashers
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