ClassID:

217575

H02K29/03 - page 3 - CPC Classification

Classification description:

Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Recent Application in this class:
#601
20100283348
2010-11-11

Brushless motor with skew angle set for low torque ripple and high output

#602
20100277026
2010-11-04

Rotary electric machine including auxiliary slot with center opposed to specified rotor portion

#603
20100270100
2010-10-28

Electric Power Steering Device

#604
20100264770
2010-10-21

PERMANENT-MAGNET SYNCHRONOUS MACHINE WITH SUPPRESSION MEANS FOR IMPROVING THE TORQUE RIPPLE

#605
20100259114
2010-10-14

Vibration motor

#606
20100251539
2010-10-07

Method of assembling direct-drive generator

#607
20100244611
2010-09-30

Permanent-magnetic type rotary electric machine

#608
20100244610
2010-09-30

Optimized electric machine for smart actuators

#609
20100244605
2010-09-30

Permanent magnet type rotating electrical machine and electric power steering device

#610
20100238591
2010-09-23

Disk drive device rotationally driving recording disk

#611
20100225260
2010-09-09

Efficient circuit for brushless low cogging machine with congruent stator

#612
20100225179
2010-09-09

Linear motor with reduced cogging

#613
20100213782
2010-08-26

Five-phase motor with improved stator structure

#614
20100213781
2010-08-26

Methods and apparatus for a permanent magnet machine with asymmetrical rotor magnets

#615
20100213780
2010-08-26

Permanent magnet motor

#616
20100207464
2010-08-19

Linear motor and linear motor cogging reduction method

#617
20100201210
2010-08-12

Linear motor including extended tooth tips

#618
20100194228
2010-08-05

Interior permanent magnet type brushless direct current motor

#619
20100187941
2010-07-29

18/8 SYNCHRONOUS MOTOR

#620
20100181948
2010-07-22

Motor apparatus with voltage step-up function

#621
20100181864
2010-07-22

Rotating electric machine

#622
20100176685
2010-07-15

Electric motor of parallel cycles

#623
20100176680
2010-07-15

Permanent magnet motor

#624
20100166579
2010-07-01

Brushless motor for fluid pump and fluid pump using the motor

#625
20100166575
2010-07-01

Magnet embedded rotor, electric motor using the same rotor, and compressor using the same motor

#626
20100164420
2010-07-01

Brushless direct current motor and driving unit thereof

#627
20100156227
2010-06-24

Complementary permanent magnet structure capable of minimizing cogging torque for rotating electric machine

#628
20100148624
2010-06-17

Interior permanent magnet type brushless direct current motor

#629
20100148612
2010-06-17

Brushless motor

#630
20100148597
2010-06-17

Direct current drive motor

#631
20100133940
2010-06-03

THREE-PHASE DYNAMOELECTRICAL PERMANENTLY EXCITED SYNCHRONOUS MACHINE

#632
20100133939
2010-06-03

Motor

#633
20100126234
2010-05-27

Permanent magnet motor and washing machine provided therewith

#634
20100119390
2010-05-13

Permanent magnet motor, hermetic compressor, and fan motor

#635
20100117477
2010-05-13

Permanent magnet synchronous motor and hermetic compressor

#636
20100117476
2010-05-13

Electrical machines with reduced cogging

#637
20100117475
2010-05-13

Permanent Magnet Machine with Offset Pole Spacing

#638
20100117465
2010-05-13

Rotating electric machine

#639
20100084934
2010-04-08

Inner-rotor brushless motor

#640
20100063524
2010-03-11

Cutting accessory for use with a medical/surgical powered handpiece, the accessory having retention features that facilitate the fine or coarse adjustment of the extension of the accessory shaft

#641
20100054971
2010-03-04

Brushless motor

#642
20100052466
2010-03-04

Electrical machine with skew-running magnet pole boundaries

#643
20100052455
2010-03-04

Permanent-magnet (PM) rotors and systems

#644
20100045131
2010-02-25

Electric motor

#645
20100038985
2010-02-18

BRUSHLESS DC MOTOR, MAGNETIZING METHOD THEREOF AND WASHING MACHINE HAVING THE SAME

#646
20100026126
2010-02-04

OUTER ROTOR-TYPE FAN MOTOR AND METHOD FOR MAGNETIZING MAGNET APPLIED THERETO

#647
20100019612
2010-01-28

FLUX IMPULSE MOTOR

#648
20100001607
2010-01-07

Permanent magnet rotating machine

#649
20090322174
2009-12-31

Permanent-magnet synchronous machine having skewed magnets for reduced torque ripple

#650
20090322162
2009-12-31

Linear motor with force ripple compensation

#651
20090315424
2009-12-24

PERMANENT MAGNET SYNCHRONOUS MACHINE WITH SHELL MAGNETS

#652
20090309449
2009-12-17

Driving apparatus

#653
20090302692
2009-12-10

Linear motor

#654
20090295316
2009-12-03

GEARLESS WHEEL MOTOR DRIVE SYSTEM

#655
20090295251
2009-12-03

Multipole permanent-magnet synchronous machine having tooth-wound coils

#656
20090278415
2009-11-12

CORELESS MOTOR HAVING ROTORS ARRANGED CONCENTRICALLY AND DRIVING APPARATUS HAVING THE MOTOR

#657
20090267437
2009-10-29

Servo motor and rotor thereof

#658
20090261679
2009-10-22

ROTATING ELECTRICAL MACHINE

#659
20090256428
2009-10-15

Linear motor with force ripple compensation

#660
20090251024
2009-10-08

Electric motor

#661
20090251023
2009-10-08

Permanent magnet rotating electric machine and electric power steering device using the same

#662
20090243423
2009-10-01

Rotating electric machine

#663
20090243422
2009-10-01

Axial gap type motor

#664
20090243413
2009-10-01

Robot drive with magnetic spindle bearings

#665
20090236923
2009-09-24

Permanent-magnet-type rotating electrical machine

#666
20090236920
2009-09-24

SYSTEMS AND METHODS INVOLVING OPITMIZED MOTORS

#667
20090230802
2009-09-17

Permanent magnet type generator and hybrid vehicle using the same

#668
20090224622
2009-09-10

Motor including a rotor and a stator, and washing machine using the same

#669
20090224621
2009-09-10

Brushless motor with skewed rotor segments

#670
20090224620
2009-09-10

Brushless motor

#671
20090224619
2009-09-10

Brushless motor with skewed rotor segments

#672
20090218903
2009-09-03

Stepping motor

#673
20090189471
2009-07-30

Spindle Motor

#674
20090184602
2009-07-23

Permanent-Magnet Synchronous Machine with Suppression Means for Improving the Torque Ripple

#675
20090184597
2009-07-23

Fan motor, BLDC motor, and rotor for the BLDC motor

#676
20090179518
2009-07-16

Permanent magnet rotating electric machine and electric car using the same

#677
20090179514
2009-07-16

Single-phase brushless motor

#678
20090174280
2009-07-09

Polyphase electric motor especially for driving pumps or ventilators

#679
20090174276
2009-07-09

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#680
20090174275
2009-07-09

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#681
20090174274
2009-07-09

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#682
20090173817
2009-07-09

Method for manufacturing an axial air-gap electronic motor

#683
20090152972
2009-06-18

Magnetic member, rotor and motor

#684
20090140590
2009-06-04

PERMANENT MAGNET TYPE MAGNETIC POLE CORE STRUCTURE CAPABLE OF MINIMIZING COGGING TORQUE FOR ROTATING ELECTRIC MACHINE

#685
20090134740
2009-05-28

MOTOR AND FAN UNIT USING THE SAME

#686
20090134739
2009-05-28

Method of manufacturing a rotating electric machine

#687
20090134738
2009-05-28

Electrical machine having a flattened stator with inclined teeth

#688
20090134733
2009-05-28

Vibration generating stepping motor

#689
20090133243
2009-05-28

Method of manufacturing a rotating electric machine

#690
20090115279
2009-05-07

Rotor for an electrical machine

#691
20090108699
2009-04-30

Three-phase square-wave permanent magnet brushless DC motor

#692
20090091204
2009-04-09

MOTOR HAVING TWIN-ROTOR

#693
20090072677
2009-03-19

Motor driving apparatus

#694
20090072650
2009-03-19

Motor

#695
20090072649
2009-03-19

BRUSHLESS ELECTRIC MOTOR

#696
20090072639
2009-03-19

Segmented composite rotor

#697
20090064486
2009-03-12

Method of manufacturing permanent-magnet synchronous motor

#698
20090033174
2009-02-05

Brushless motor

#699
20090033173
2009-02-05

Motor stator with lift capability and reduced cogging characteristics

#700
20090009019
2009-01-08

Electric motor having reduced cogging torque

#701
20080315704
2008-12-25

Synchronous Machine

#702
20080303370
2008-12-11

Permanent magnet motor with stator having asymmetric slots for reducing torque ripple

#703
20080296992
2008-12-04

Electrical Drive Machine

#704
20080290754
2008-11-27

AC Motor

#705
20080289226
2008-11-27

Electric motor, power apparatus using the same, and self-propelled snow remover

#706
20080284270
2008-11-20

Driving apparatus

#707
20080284269
2008-11-20

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#708
20080278015
2008-11-13

Actuator Having An Electric Actuating Motor And Controllable Friction Clutch Having Such An Actuator

#709
20080246424
2008-10-09

Brushless motor

#710
20080224559
2008-09-18

Brush-less motor and electric power steering device having brush-less motor

#711
20080218023
2008-09-11

BRUSHLESS MOTOR AND ELECTRIC POWER STEERING DEVICE HAVING BRUSHLESS MOTOR

#712
20080218022
2008-09-11

Motor

#713
20080218005
2008-09-11

Linear motor

#714
20080203842
2008-08-28

Motor

#715
20080191578
2008-08-14

Stator for an electric machine

#716
20080174209
2008-07-24

Stepping motor

#717
20080174189
2008-07-24

Anti-cogging apparatus for permanent magnet electrical machines

#718
20080174185
2008-07-24

Detent force correcting

#719
20080169721
2008-07-17

Motor

#720
20080169720
2008-07-17

Synchronous electromechanical transformer

#721
20080157619
2008-07-03

Permanent magnet rotary structure of electric machine

#722
20080143210
2008-06-19

Three-phase motor stator

#723
20080111437
2008-05-15

Continuous rotary motor

#724
20080111430
2008-05-15

Iron core linear motor having low detent force with high power density

#725
20080106164
2008-05-08

Rotary electric machine

#726
20080100172
2008-05-01

Electric fan

#727
20080079335
2008-04-03

Brushless DC permanent magnet motor

#728
20080074008
2008-03-27

Low vibration hybrid step motor

#729
20080073995
2008-03-27

Brushless motor and electric power steering apparatus incorporating the same

#730
20080067885
2008-03-20

Permanent magnet machine

#731
20080067880
2008-03-20

Multiphase step motor

#732
20080054736
2008-03-06

Permanent magnet rotating machine

#733
20080036323
2008-02-14

Permanent magnet synchronous machine with flat-wire windings

#734
20080036311
2008-02-14

Apparatus for making a laminated core structure

#735
20080036215
2008-02-14

Slow-speed direct-drive generator

#736
20080030155
2008-02-07

Gearless wheel motor drive system

#737
20080024028
2008-01-31

Permanent magnet electric motor

#738
20080018194
2008-01-24

CLAW-POLE TYPE SINGEL-PHASE MOTOR, CLAW-POLE TYPE SINGLE-PHASE MOTOR SYSTEM AND ELECTRIC PUMP, ELECTRIC FAN AND VEHICLE PROVIDED WITH CLAW-POLE TYPE SINGLE-PHASE MOTOR

#739
20080018187
2008-01-24

Thin stator, eccentric motor and axial air-gap brushless vibration motor equipped with the same

#740
20070296285
2007-12-27

Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor system

#741
20070278885
2007-12-06

Rotor for motors

#742
20070273234
2007-11-29

Cogging reduction in permanent magnet machines

#743
20070257576
2007-11-08

Permanent magnet embedment rotating electric machine, motor for car air conditioner, and enclosed electric compressor

#744
20070257566
2007-11-08

Synchronous Machine Using the Eleventh Harmonic

#745
20070252466
2007-11-01

Electrical machines with reduced cogging

#746
20070252447
2007-11-01

Electric motor having a stator

#747
20070241644
2007-10-18

SINGLE-PHASE MOTOR

#748
20070241634
2007-10-18

Reduction of harmonics in an electric motor

#749
20070228861
2007-10-04

Electrical Rotary Machine and Electromagnetic Apparatus

#750
20070222331
2007-09-27

Small heat-dissipating device

#751
20070216250
2007-09-20

Direct drive motor for washing machine and method of manufacturing the same

#752
20070210664
2007-09-13

Permanent magnet rotating electric machine

#753
20070205689
2007-09-06

Electric motor

#754
20070200447
2007-08-30

Permanent magnet embedment rotating electric machine, motor for car air conditioner, and enclosed electric compressor

#755
20070193469
2007-08-23

Magnet block for a magnetic levitation transport system and method for the production thereof

#756
20070182270
2007-08-09

Motor stator device

#757
20070170802
2007-07-26

Permanent-magnet excited synchronous motor

#758
20070152527
2007-07-05

Reluctance motor

#759
20070126308
2007-06-07

Rotary electric machine with reduced torque ripple

#760
20070126305
2007-06-07

Permanent magnet rotating machine

#761
20070126304
2007-06-07

Interior permanent magnet electric motor including a rotor having circumferential surface portions with defined curve profiles

#762
20070090708
2007-04-26

Electric rotating machine

#763
20070085436
2007-04-19

Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine

#764
20070063610
2007-03-22

Permanent magnet rotary motor

#765
20070057591
2007-03-15

Electomagnetic motor

#766
20070046131
2007-03-01

Boat drive

#767
20070046130
2007-03-01

Three-phase permanent magnet brushless motor

#768
20070018529
2007-01-25

Rotary electric machine and electric wheelchair mounted with rotary electric machine

#769
20070018523
2007-01-25

Electrical machine with magnetized rotor

#770
20070018520
2007-01-25

Motor/generator to reduce cogging torque

#771
20070007828
2007-01-11

Scanner for equalizing torque constant and reducing torque constant variation

#772
20060290220
2006-12-28

Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same

#773
20060284578
2006-12-21

Vibration device

#774
20060284508
2006-12-21

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#775
20060279154
2006-12-14

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#776
20060273684
2006-12-07

Multi-phase brushless motor with reduced number of stator poles

#777
20060273681
2006-12-07

Starting system for salient-poled-rotor electric motor

#778
20060273667
2006-12-07

Balancing structure for motor rotor

#779
20060250041
2006-11-09

Permanent magnet embedment rotating electric machine, motor for car air conditioner, and enclosed electric compressor

#780
20060244337
2006-11-02

AC motor

#781
20060244336
2006-11-02

Electric motor with minimized cogging and related method of determining stator pole geometry

#782
20060244335
2006-11-02

Permanent magnet electric motor with reduced cogging torque

#783
20060244333
2006-11-02

Two-phase brushless DC motor

#784
20060244332
2006-11-02

Electrical machine

#785
20060232155
2006-10-19

Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same

#786
20060226715
2006-10-12

Skeleton type BLDC motor

#787
20060214533
2006-09-28

Permanent magnet rotary motor

#788
20060208593
2006-09-21

Brushless DC motor

#789
20060202579
2006-09-14

Polyphase motor with optimised running characteristics

#790
20060197478
2006-09-07

Method for starting single phase BLDCM having asymmetrical air gap

#791
20060197399
2006-09-07

Motor

#792
20060192511
2006-08-31

Brushless Motor

#793
20060192454
2006-08-31

Motor

#794
20060181164
2006-08-17

Motpor device capable of reducing cogging torque

#795
20060163967
2006-07-27

Electric motor and apparatus for manufacturing electric motor

#796
20060163965
2006-07-27

Stator structure of motor

#797
20060163964
2006-07-27

Axial air-gap electronic motor

#798
20060125338
2006-06-15

Electrical induction machine and primary part

#799
20060119299
2006-06-08

Brushless DC motor and brushless DC motor controller

#800
20060113857
2006-06-01

Thin hybrid magnetization type ring magnet, yoke-equipped thin hybrid magnetization type ring magnet, and brush-less motor

#801
20060097598
2006-05-11

Brushless motor

#802
20060087189
2006-04-27

Permanent magnet rotating electric machine

#803
20060082229
2006-04-20

High magnetic reluctance motor assembly

#804
20060055268
2006-03-16

Magnetic circuit structure for rotary electric machine

#805
20060049713
2006-03-09

Permanent-magnet synchronous motor

#806
20060043813
2006-03-02

Stator structures

#807
20060038459
2006-02-23

Armature of motor

#808
20060038457
2006-02-23

Permanent magnet motor with magnets in an adjusted position to reduce cogging torque

#809
20060028087
2006-02-09

Electric motor having a stator

#810
20060017419
2006-01-26

Vehicle

#811
20060017346
2006-01-26

Driving apparatus

#812
20060017344
2006-01-26

Rotating electric machine

#813
20060012251
2006-01-19

Linear motor for use in machine tool

#814
20060006753
2006-01-12

Motor

#815
20060006743
2006-01-12

Linear driving device

#816
20050285474
2005-12-29

Rotating electric machine

#817
20050285471
2005-12-29

Stator structure of motor

#818
20050264119
2005-12-01

Magnetic bearing using displacement winding techniques

#819
20050258700
2005-11-24

Synchronous electrical machine

#820
20050258698
2005-11-24

Permanent magnet rotary motor

#821
20050242681
2005-11-03

Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same

#822
20050242675
2005-11-03

Synchronous machine design and manufacturing

#823
20050231061
2005-10-20

Electric motor having a permanent magnet rotor and a stator core of united poles

#824
20050229384
2005-10-20

Motor and motor manufacturing apparatus

#825
20050229382
2005-10-20

Motor and motor manufacturing apparatus

#826
20050218727
2005-10-06

Linear actuator comprising a brushless polyphase electric motor

#827
20050200223
2005-09-15

Permanent magnet rotating electric machine and electric car using the same

#828
20050200222
2005-09-15

Synchronous electric machine

#829
20050194846
2005-09-08

Permanent magnet type three-phase stepping motor

#830
20050179335
2005-08-18

Brushless motor

#831
20050179334
2005-08-18

Rotary electric apparatus with skew arrangement

#832
20050174008
2005-08-11

DC MOTOR

#833
20050174006
2005-08-11

Winding topologies for stators in brushless motors

#834
20050168089
2005-08-04

Method of determining pole arc ratio of interior permanent magnet rotary motor and interior permanent magnet rotary motor

#835
20050162029
2005-07-28

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#836
20050144774
2005-07-07

Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same

#837
20050140244
2005-06-30

Axial gap electronic motor

#838
20050134122
2005-06-23

Linear motor, exposure apparatus using the same, and device manufacturing method

#839
20050121990
2005-06-09

Rotor for rotary electric machine

#840
20050108869
2005-05-26

Method for manufacturing teeth of linear step motors

#841
20050099086
2005-05-12

Electric machine

#842
20050088047
2005-04-28

Brushless permanent magnet motor with high power density, low cogging and low vibration

#843
20050067913
2005-03-31

Reduction of cogging torque in electric motors

#844
20050062355
2005-03-24

Permanent magnet rotating electric machine

#845
20050062354
2005-03-24

Electric motor with poles shaped to minimize cogging torque

#846
20050040722
2005-02-24

Controlling electric motor cogging

#847
20050035677
2005-02-17

Electric machine, in particular brushless synchronous motor

#848
20050035676
2005-02-17

Gearless wheel motor drive system

#849
20050033547
2005-02-10

Rotational speed detector with ripple compensation

#850
20050029894
2005-02-10

Method for manufacturing an armature of a rotation apparatus

#851
20050029888
2005-02-10

Brushless DC motor and method of manufacturing brushless DC motor

#852
20050023927
2005-02-03

Brushless DC motor and method of manufacturing brushless DC motor

#853
20050023925
2005-02-03

Motor and motor manufacturing apparatus

#854
20050023920
2005-02-03

Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine

#855
20050023919
2005-02-03

Permanent magnet motor

#856
20050017591
2005-01-27

Highly efficient permanent magnet brushless motor

#857
20050017590
2005-01-27

Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same

#858
20050017589
2005-01-27

Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same

#859
20050012419
2005-01-20

Permanent magnetic rotating machine

#860
20050001504
2005-01-06

Motor of rotor with built-in permanent magnet

#861
20050001502
2005-01-06

DC brushless motor

#862
18660121
2026-06-02

Neutralizing magnetic component arrangements in a variable aperture device