Patents for H02K 1 - Details of the magnetic circuit (44,776)
04/2001
04/19/2001WO2001028072A1 Compressor
04/19/2001WO2001028071A1 High efficiency motor for low velocity, high volume fan and other applications
04/19/2001WO2001028070A2 Electric motor comprising a rotor mounted on one side
04/19/2001WO2001028069A2 Axial gap motor-generator for high speed operation
04/19/2001US20010000291 Rotor assembly
04/19/2001DE19949899A1 Bicycle dynamo with slim rotor and relatively large diameter drive wheel
04/19/2001DE19943274A1 Synchronous motor with permanent magnet excitation and control of stator induced voltage by adjusting magnetic behaviour of one magnet per pole
04/19/2001CA2386238A1 Axial gap motor-generator for high speed operation
04/18/2001EP1093208A2 An armature and an assembly of armature plates for an electrical machine, in particular for a direct-current motor with a commutator
04/18/2001EP1093207A2 Electric motor
04/18/2001EP1093133A2 Rare earth resin magnet, magnet rotor, magnet motor using the same, and its manufacturing method
04/18/2001EP1092258A1 A rotor for an electrical alternating current machine and a method for production thereof
04/18/2001EP1092257A1 Electric motor
04/18/2001EP0845169A4 Permanent magnet rotor alternator
04/18/2001CN1064786C DC brushless motor and control unit
04/17/2001US6218753 Motor using rotor including interior permanent magnet, and apparatus-driving-unit employing the same motor
04/17/2001CA2139118C Electric motor-wheel
04/12/2001WO2001026202A1 Axial fluid flow inducing device with multiple magnetically driven impellers
04/12/2001CA2353969A1 Axial fluid flow inducing device with multiple magnetically driven impellers
04/11/2001EP1091476A2 Three-phase magneto generator
04/11/2001EP1091468A1 Elektrical machine and cooling thereof
04/11/2001CN1291372A Rotating electric machine with permanent magnets and magnetic resistance having an improved structure
04/11/2001CN1291370A Rotating electric machine with permaneuts and magnetic resistance with improved flux weakening properties
04/11/2001CN1290985A Stator iron core and motor
04/11/2001CN1290771A Electroplating device and process for electroplating parts using said device
04/11/2001CA2322923A1 Electric motor
04/10/2001US6215212 Shaftless rotor construction
04/05/2001DE19946648A1 Pole switched, permanent magnet stimulated electric machine has stator with conventional three-phase or alternating current coil and rotor with unmagnetisable magnets per pole
04/05/2001DE10043856A1 Multiple drive unit for vehicle has crankshaft, flywheel arrangement with first and second flywheel on engine and gearbox sides respectively, sensor and dynamo between flywheels
04/04/2001EP1089417A2 An alternating current dynamo for a vehicle
04/04/2001EP1088382A1 Amorphous metal stator for a radial-flux electric motor
04/04/2001CN2426243Y Rotator and shaft assembly structure for permanent magnet motor
04/04/2001CN1290419A Stator bonding nib
04/03/2001US6211596 Claw-pole machine
04/03/2001US6211593 Synchronous motor with permanent magnet provided on magnetic pole end
04/03/2001US6211592 Motor for driving storage disks
04/03/2001US6211587 Electric rotating machine
04/03/2001US6211584 Magnet and a motor component having a coating with improved anticorrosion and insulation
04/03/2001US6210133 Blood pump with sterile motor housing
03/2001
03/29/2001WO2001022560A1 Permanent magnet rotor portion for electric machines
03/29/2001DE19944686A1 Spindle structure of motor rotor, has rib to enhance stability of center of gravitation and magnetic flux and to enhance connection between spindle, silicon steel pieces and sun plates
03/28/2001EP1087502A2 Permanent magnet stepping motor
03/28/2001EP1087498A2 Motor/generator with separated cores
03/28/2001EP1087497A2 Stator for an inner rotor motor
03/28/2001EP1086523A2 Rotary electrical machines
03/28/2001EP1086309A1 Starter-generator for a motor vehicle
03/28/2001CN1289472A Motor vehicle alternator with interpolar magnets
03/28/2001CN1289471A Motor with electric direction-changing stator and rotor with permanent magnet
03/28/2001CN1289169A Permanent magnetic step-by-step motor
03/28/2001CN1289167A Rotary electric generator
03/28/2001CN1063881C 电动机 Electric motor
03/28/2001CN1063878C Wide speed-regulating range permanent magnetic motor with two salient poles and multi-tapping windings
03/28/2001CN1063701C Terminal plate resin die casting method for die-casting motor and apparatus thereof
03/27/2001US6208060 Stator of vehicle AC generator and method of manufacturing the same
03/27/2001US6208055 Electromagnetic transducer and electronic device including the transducer
03/27/2001US6208054 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
03/27/2001US6208048 Motor-pump unit, particularly motor vehicle anti-lock brake device having internal electrical connecting lines
03/27/2001CA2179776C Method and apparatus for transducerless flux, position and velocity estimation in drives for ac machines
03/22/2001WO2001020754A1 Permanent magnet field-type compact dc motor and method of making same
03/22/2001DE19943951A1 Rotor for electrical machines especially switched reluctance machines, comprises number of fixing elements which correspond to at least half of number of rotor poles
03/21/2001EP1085640A2 Segmented rotor for an electric machine
03/21/2001CN2424562Y Punched chip of motor stator
03/21/2001CN1288284A AC electric motor
03/21/2001CN1288279A Electric motor rotor having symmetric flux distribution
03/21/2001CN1063594C Rotor in permanent magneti generator
03/21/2001CN1063593C Hybrid alternator with voltage regulator
03/20/2001US6204589 Strain-matched hub for motor/generator
03/20/2001US6204588 Rotor capable of being used as a recording media
03/20/2001US6204584 Low cogging torque brushless motor rotor
03/20/2001US6204583 Centerpiece structure of brush-less motor and method of manufacturing brush-less motor
03/20/2001US6203292 Oscillation-type compressor
03/20/2001US6202738 Assembled structure having an enlarged heat transfer area for heat radiation therefrom
03/20/2001US6202286 Method for creating a joint between the exciter poles and the pole casing of an electric machine
03/15/2001DE19960088A1 Electrical reluctance machine has noise insulation layer applied to inside surface of machine housing
03/15/2001DE19943444A1 Cooling system for rotating electric machine e.g. for machine tool, has individual stator plates and/or partial plate packets as sectors of circles of peripherally alternately larger and smaller radius with transitions
03/15/2001DE19943050A1 Drive system e.g. for vehicle, has rotor arrangement connected to drive shaft via bearer arrangement with bearer section of lower permeability than at least one part of rotor interaction region
03/15/2001DE19942881A1 Air-cooled electrical generator has 3-chamber cooling with warm air chamber having different axial lengths for optimising cooling gas distribution
03/15/2001DE19942708A1 Electric machine, especially an a.c. or three-phase machine, has short circuit yoke produced simply and at lower cost and iron losses are further reduced to achieve increased efficiency
03/15/2001DE19942029A1 Permanent magnet rotor for brushless electric motor has spring clamp clips for securing permanent magnet segments against mantle of cylindrical laminated rotor body
03/15/2001DE10043736A1 Automobile hybrid drive unit has magnetically dense element screening rotation sensor mechanism from flux and radio interference emitted by dynamomachine
03/14/2001EP1083647A2 Electrical machine with horizontal shaft
03/14/2001EP1082804A1 Rotating machine with advanced excitation means
03/14/2001EP1082802A1 Electric motor with ice out protection
03/14/2001EP1082801A1 Electric motor with stator core and distinct pole pieces and assembly method
03/14/2001EP1082800A2 Programmable electric motor and method of assembly
03/14/2001CN1287705A Rotor for an electronically commutated motor and improved method for the mass production thereof
03/14/2001CN1063294C 电动机 Electric motor
03/13/2001US6201335 Rotor structure
03/13/2001US6201324 Stator pole teeth for a claw pole stepping motor
03/13/2001US6199391 Magnetic clutch method and apparatus for driving a vehicle air conditioner
03/13/2001US6199265 Method of securing magnets of revolving electric machine
03/13/2001CA2238504C Stator arrangement of alternator for vehicle
03/08/2001WO2001017094A1 Air cooled electrical machine
03/08/2001WO2001017093A1 Permanent magnet field small dc motor
03/08/2001DE19942000A1 Permanent magnet arrangement, preferably for rotors of permanently stimulated synchronous machines, has individual magnet blocks of different heights at different depths in iron
03/08/2001DE19939712A1 Verfahren zur Herstellung eines Läufers für einen Elektromotor A method for manufacturing a rotor for an electric motor
03/08/2001DE19939598A1 Reluktanz-Elektromaschine Reluctance electric machine
03/08/2001DE10019691A1 Wechselstromgenerator für ein Kraftfahrzeug mit Zwischenpolmagneten The alternator for an automotive vehicle having Zwischenpolmagneten
03/07/2001EP1081832A2 Spindle motor
03/07/2001EP1081825A2 Electric motor having composite encapsulated stator and rotor