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)
04/2003
04/03/2003US20030062795 Motor, motor stator and method for manufacturing the same
04/03/2003US20030062792 Manufacturing method and composite powder metal rotor assembly for spoke type interior permanent magnet machine
04/03/2003US20030062790 Manufacturing method and composite powder metal rotor assembly for circumferential type interior permanent magnet machine
04/03/2003US20030062789 Manufacturing method and composite powder metal rotor assembly for surface type permanent magnet machine
04/03/2003US20030062787 Rotor for flywheel magneto generator
04/03/2003US20030062780 Rotating electric machine and cooling structure for rotating electric machine
04/03/2003US20030061703 Method of manufacturing a motor casing
04/03/2003DE20301532U1 Electric motor rotary drive e.g. for computer tomography, has sector-shaped stator with ends facing rotor with increasing distance from rotor starting from curved inside of stator parallel to outside of rotor
04/02/2003EP1298773A1 Permanent magnet synchronous motor
04/02/2003EP1298772A2 Outer rotor motor
04/02/2003EP1297605A1 Stator
04/02/2003EP1297604A1 Shackle spring
04/02/2003EP1297603A2 Flux ring for an electric motor
04/02/2003EP1145410B1 Disk motor with bearing prestressing feature
04/02/2003CN2543271Y Rotor structure of permenent-magnet step-by-step motor
04/02/2003CN2543268Y AC asynchronous motor
04/02/2003CN2543263Y Low-noise motor
04/02/2003CN1408139A Hybrid brushless electric machine
04/02/2003CN1407699A High-temperature superconducting synchronous rotor coiler with cascade rotor core
04/02/2003CN1407694A Easily-starting brushless D.C. motor
04/02/2003CN1407693A Stator of brushless D.C. motor and its manufacture
04/01/2003US6541890 Brush-less rotary electric machine having stator cooling arrangement
04/01/2003US6541889 DC motor
04/01/2003US6541886 Motor
04/01/2003US6541882 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
04/01/2003US6541877 Wind power generation system
03/2003
03/27/2003WO2003026106A1 Electronically-commutated electric motor comprising coils with parallel axes
03/27/2003WO2003026105A1 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors
03/27/2003WO2003026097A1 Electrical drive device for a ship with elastically supported electric motor
03/27/2003US20030057801 Generator rotor having axial zone blocks and associated methods
03/27/2003US20030057800 Pumping motor with skewed rotor laminations
03/27/2003US20030057797 Stator structure for rotary electric machine
03/27/2003US20030057796 Modularized stator
03/27/2003US20030057785 Permanent magnet rotating electric machine
03/27/2003US20030057782 AC generator-motor apparatus for vehicle
03/27/2003US20030057780 Low loss reciprocating electromagnetic device
03/27/2003US20030056815 Substrate processing apparatus comprising ring-shaped motor
03/27/2003US20030056534 Refrigerating device
03/26/2003EP1296437A1 Internal permanent magnet synchronous motor
03/26/2003EP1295377A2 Preparation of permanent magnet motor shaft
03/26/2003EP1025633B1 An electric motor rotor with permanent magnets
03/26/2003CN2541989Y Automotive starting, generating multiplying motor
03/26/2003CN2541988Y Novel rotor of self-starting permanent magnet synchromotor
03/26/2003CN1405955A High-quality low-energy-consumption generator
03/26/2003CN1405948A Motor rotor
03/26/2003CN1405947A Orientation apparatus and magnetizing apparatus
03/26/2003CN1405946A Stator iron core of rotating electric machine and stator thereof, and rotating electric machine using same
03/26/2003CN1104081C Reluctance motor and compressor-driving reluctance motor
03/26/2003CN1103683C Ferromagnetic powder for low core loss, well-bonded parts
03/25/2003US6538548 Method for producing an iron core assembly
03/25/2003US6538358 Hybrid electrical machine with axially extending magnets
03/25/2003US6538357 Direct current brushless motor of radial air-gap
03/25/2003US6538353 Permanent-magnet electric motor for circulation pumps of heating systems
03/20/2003WO2003023942A1 Flywheel energy storage systems
03/20/2003WO2003023941A1 Shock-proof electric marine engine, e.g. engine or generator
03/20/2003WO2003023939A1 Rotor assembly with hub
03/20/2003US20030052567 Internal permanent magnet synchronous motor
03/20/2003US20030052561 Permanent magnet machine rotor
03/20/2003US20030052560 Motor of rotor with built-in permanent magnet
03/20/2003US20030052559 Electric motor
03/20/2003US20030052552 Permanent magnet type three-phase stepping motor
03/20/2003CA2459993A1 Rotor assembly with hub
03/19/2003EP1294081A2 Rotor for permanent magnet type rotating machine
03/19/2003EP1294075A1 Rotor for a transversal flux synchronous machine and method for improving corrosion protection
03/19/2003EP1293264A1 Small-sized vibrating motor
03/19/2003EP1293024A1 Devices for robot drive units
03/19/2003CN1404645A Gas cooled endwindings for dynamoelectric machine rotor and endwinding cooling method
03/18/2003US6534893 Stator assembly structure of a direct current brushless motor
03/18/2003US6534892 Electrical rotating actuator for forming a shed in a weaving loom
03/18/2003US6534889 Motor with rotator having shaft insertion sections with different internal peripheral surfaces
03/18/2003US6534880 Rotor of magneto generator for internal combustion engine
03/18/2003US6533558 Closed rotary compressor
03/18/2003CA2235056C Switched reluctance motor having stator inserts for noise reduction, magnet positioning, and coil retention
03/13/2003WO2003021763A1 Halbach array generator/motor having an automatically regulated output voltage and mechanical power output
03/13/2003WO2003021745A1 Collecting and distributing ring for rotary electric machine stator
03/13/2003WO2003021744A1 Rotary electric machine stator
03/13/2003WO2003021742A1 Permanent magnet type rotor and method of manufacturing the rotor
03/13/2003WO2002102534A3 Motor for a power tool
03/13/2003US20030048577 Spindle motor and information recording and/or reproducing apparatus having this spindle motor
03/13/2003US20030048034 Two rotor single stator type electric motor
03/13/2003US20030048030 Generator stator core vent duct spacer posts
03/13/2003US20030048024 Rotor structure for a motor having built-in type permanent magnet
03/13/2003US20030048021 Disk type D.C. motor having a non-ferrous stator
03/13/2003US20030048020 Exciter rotor assembly
03/13/2003US20030048017 Permanent magnet motor
03/13/2003US20030048013 Cooler for electronic devices
03/12/2003EP1292004A1 Two rotor single stator type electric motor
03/12/2003EP1292002A2 Brushless dc motor
03/12/2003EP1290774A1 Unipolar transverse flux machine
03/12/2003EP1290773A1 Method of producing stator windings
03/12/2003EP0795225B2 Method of manufacturing a bar fitted with a potential-control devices for bar-wound high-voltage windings for a rotating electric machine
03/12/2003CN1402412A Relative peripheral face motor
03/12/2003CN1103133C Turbo generator plant
03/11/2003US6531803 Alternating current generator for vehicle
03/11/2003US6531802 AC generator for vehicle
03/11/2003US6531797 Rotary electric machine stator having individual removable coils
03/11/2003US6530756 Oscillation-type compressor
03/06/2003WO2003019759A2 Superconducting electrical machines for use in navy ships
03/06/2003WO2003019754A1 Electric motor comprising a cooling system
03/06/2003WO2003019748A1 System and method for end turn retention on a high speed generator rotor
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