ClassID:

217493

H02K21/14 - page 4 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures

Recent Application in this class:
#901
20110080123
2011-04-07

Linear-rotary actuator operation

#902
20110073297
2011-03-31

Permanent magnet direct drive drawworks

#903
20110068651
2011-03-24

Rotor for permanent magnet rotating machine

#904
20110034282
2011-02-10

Power plant

#905
20110031838
2011-02-10

Electric machine with single stator and two mutually independent rotors, and road vehicle provided with said electric machine

#906
20110031824
2011-02-10

Gear motor including a compact multiple-phase electric motor

#907
20110012461
2011-01-20

Permanent Magnet Synchronization Motor

#908
20110012354
2011-01-20

Generator for fluid-driven production of electric energy and a method of making the generator

#909
20110005328
2011-01-13

Bi-axial electromagnetic actuator

#910
20110002796
2011-01-06

DC motor with cup-shaped stator and DC fan formed from the DC motor

#911
20100329905
2010-12-30

PERMANENT MAGNET DIRECT DRIVE MUD PUMP

#912
20100308674
2010-12-09

Magnetic machine

#913
20100295403
2010-11-25

Permanent magnet type rotary electric machine

#914
20100295401
2010-11-25

MOTOR AND DEVICE USING THE SAME

#915
20100289367
2010-11-18

Permanent magnet rotor

#916
20100277023
2010-11-04

Unidirectionally-energized brushless DC motor including AC voltage output winding and motor system

#917
20100277020
2010-11-04

Hydrostatic bearing made of magnetic material which is also used as a motor magnet

#918
20100264756
2010-10-21

Multiple-Degree Of Freedom System And Method Of Using Same

#919
20100253178
2010-10-07

PERMANENT-MAGNET SYNCHRONOUS MOTOR

#920
20100252341
2010-10-07

ELECTRIC ROTARY MACHINE

#921
20100251783
2010-10-07

Washing machine with a direct drive motor system

#922
20100244605
2010-09-30

Permanent magnet type rotating electrical machine and electric power steering device

#923
20100219704
2010-09-02

Speed-variable single phase induction motor

#924
20100213782
2010-08-26

Five-phase motor with improved stator structure

#925
20100206103
2010-08-19

Linear actuator

#926
20100187941
2010-07-29

18/8 SYNCHRONOUS MOTOR

#927
20100186687
2010-07-29

Stator for BLDG motor BLDC motor having double rotors/ single stator and vehicle cooler using the same

#928
20100181864
2010-07-22

Rotating electric machine

#929
20100181859
2010-07-22

Radially anisotropic ring R-TM-B magnet, its production method, die for producing it, and rotor for brushless motor

#930
20100166567
2010-07-01

WIND TURBINE AND METHOD OF MANUFACTURE

#931
20100156231
2010-06-24

SLIM TYPE STATOR, SLIM TYPE MOTOR HAVING THE STATOR AND DIRECT DRIVE APPARATUS FOR DRUM-WASHING MACHINE

#932
20100152524
2010-06-17

Modular magneto mechanical device

#933
20100148622
2010-06-17

Architecture for electric machine

#934
20100141077
2010-06-10

GENERATOR WITH CLOSED-MAGNETIC-PATH COILS

#935
20100133853
2010-06-03

Ultracapacitor interface in wind turbine and ring generator

#936
20100123426
2010-05-20

Reluctance motor with improved stator structure

#937
20100117476
2010-05-13

Electrical machines with reduced cogging

#938
20100054971
2010-03-04

Brushless motor

#939
20100052455
2010-03-04

Permanent-magnet (PM) rotors and systems

#940
20100052451
2010-03-04

Constant-power brushless DC motor and the generator thereby

#941
20100052444
2010-03-04

Cylinder generator

#942
20100052443
2010-03-04

Sphere generator layers

#943
20100052438
2010-03-04

Accessory drive system connected to an internal combustion engine

#944
20100045121
2010-02-25

MOTOR FOR HIGH TEMPERATURE APPLICATIONS

#945
20100019606
2010-01-28

Rotating electric motor

#946
20100013343
2010-01-21

CONSTANT FREQUENCY AND LOCKED PHASE GENERATOR ADAPTABLE TO VARIABLE TORQUE

#947
20090323462
2009-12-31

Machine for producing and dispensing liquid or semi-liquid consumer food product

#948
20090322177
2009-12-31

ELECTROMAGNETIC ACTUATOR

#949
20090309522
2009-12-17

Generator-brake integration type rotating machine

#950
20090308285
2009-12-17

Rotary table mounting and drive device

#951
20090295249
2009-12-03

Hybrid-type synchronous machine

#952
20090278413
2009-11-12

Architecture for electric machine

#953
20090261679
2009-10-22

ROTATING ELECTRICAL MACHINE

#954
20090243424
2009-10-01

Gap winding motor

#955
20090243416
2009-10-01

Electric motor

#956
20090230805
2009-09-17

Motor for electric power steering apparatus

#957
20090230802
2009-09-17

Permanent magnet type generator and hybrid vehicle using the same

#958
20090200892
2009-08-13

Magnetic path closed electric generator

#959
20090195114
2009-08-06

Motor having end-turn extension plates

#960
20090195104
2009-08-06

PERMANENT MAGNET SYNCHRONOUS MOTOR

#961
20090195100
2009-08-06

Flat motor having a dual air gap

#962
20090192013
2009-07-30

Hybrid Vehicle

#963
20090174352
2009-07-09

Computer Controlled Brushless Synchronous Motor

#964
20090152959
2009-06-18

SECONDARY PART OF A LINEAR DRIVE

#965
20090134849
2009-05-28

Self-Regulated Permanent Magnet Generator

#966
20090134628
2009-05-28

Direct drive generator and wind turbine

#967
20090134627
2009-05-28

Arrangement for a direct drive generator for a wind turbine and method for the assembly of the generator

#968
20090121573
2009-05-14

Motor for electric power steering apparatus

#969
20090121571
2009-05-14

Magnetic levitation motor and pump

#970
20090115295
2009-05-07

Turbojet having an electricity generator arranged in its fan

#971
20090108702
2009-04-30

Lamination having tapered tooth geometry which is suitable for use in electric motor

#972
20090091282
2009-04-09

Electric motor control

#973
20090064727
2009-03-12

DRIVING APPARATUS FOR WASHING MACHINE

#974
20090045691
2009-02-19

FIELD CONTROLLABLE ROTATING ELECTRIC MACHINE SYSTEM WITH MAGNETIC EXCITATION PART

#975
20090033169
2009-02-05

Magnetic structure and motor employing said magnetic structure, and driver comprising said motor

#976
20090021096
2009-01-22

Rotary electric machine

#977
20090007747
2009-01-08

Live tooling systems for machine tools

#978
20090001731
2009-01-01

Electric generator device actuated by a fluid flow

#979
20080315698
2008-12-25

MOTOR APPARATUS AND METHOD

#980
20080315697
2008-12-25

Gear integrated generator for wind turbine

#981
20080309205
2008-12-18

Clean engine

#982
20080297074
2008-12-04

Linear-rotary actuators and actuator systems

#983
20080284256
2008-11-20

Plastics injection-molding machine with integrated, linear-rotary direct drive

#984
20080278019
2008-11-13

Magnetic force rotation device

#985
20080272668
2008-11-06

Three-phase DC motor

#986
20080258573
2008-10-23

Rotor of Rotating Electric Machine, Rotating Electric Machine and Vehicle Drive Apparatus

#987
20080246359
2008-10-09

Motor and drum washing machine having the same

#988
20080238238
2008-10-02

Apparatus and process for generating energy

#989
20080231135
2008-09-25

Electromagnetic steel plate forming member, electromagnetic steel plate laminator, permanent magnet type synchronous rotating electric machine rotor provided with the same, permanent magnet type synchronous rotating electric machine, and vehicle, elevator, fluid machine, and processing machine using the rotating electric machine

#990
20080211322
2008-09-04

Multipolar, Linear or Rotating Synchronous Direct Drive Motor

#991
20080169720
2008-07-17

Synchronous electromechanical transformer

#992
20080157613
2008-07-03

Permanent magnet electric generator with rotor circumferentially encircling stator

#993
20080120980
2008-05-29

Blade tip electric machine

#994
20080111437
2008-05-15

Continuous rotary motor

#995
20080079401
2008-04-03

Architecture for electric machine

#996
20080074008
2008-03-27

Low vibration hybrid step motor

#997
20080073992
2008-03-27

CORELESS MOTOR

#998
20080054745
2008-03-06

Modular magneto-mechanical device

#999
20080054739
2008-03-06

Generator-starter arrangement for a gas-turbine engine

#1000
20080030085
2008-02-07

Permanent-magnet generator and method of cooling

#1001
20080019062
2008-01-24

Electric motor control

#1002
20070296296
2007-12-27

Motor using working fluid distributed into chambers, which are provided for rotating rotors in opposite relative rotation directions

#1003
20070281558
2007-12-06

Electrical machine with double-sided rotor

#1004
20070273234
2007-11-29

Cogging reduction in permanent magnet machines

#1005
20070273225
2007-11-29

Electric Motors for Powering Downhole Tools

#1006
20070267930
2007-11-22

Traction drive for elevator

#1007
20070252466
2007-11-01

Electrical machines with reduced cogging

#1008
20070228847
2007-10-04

HIGH SPEED ELECTRIC MOTOR

#1009
20070222318
2007-09-27

Electromagnetic motor employing multiple rotors

#1010
20070216248
2007-09-20

Hybrid induction motor

#1011
20070210657
2007-09-13

Brushless DC motors and systems using the same

#1012
20070176497
2007-08-02

System and method to control a rotary-linear actuator

#1013
20070164617
2007-07-19

Symmetrical two phase motor with a bipolar permanent magnet rotor and method of making such a motor

#1014
20070138897
2007-06-21

Dc motor

#1015
20070126303
2007-06-07

Apparatus and method for constructing electrodynamic machines

#1016
20070120430
2007-05-31

Flywheel electric generator

#1017
20070107974
2007-05-17

Steering device for vehicle

#1018
20070096578
2007-05-03

Rotor having multiple permanent-magnet pieces in a cavity

#1019
20070085435
2007-04-19

Electromagnetic motor employing multiple rotors

#1020
20070084652
2007-04-19

Hybrid Electrical Vehicle Employing Permanent Magnetic Type Dynamo-Electric Machine

#1021
20070075673
2007-04-05

Brushless synchronous motor and driving control apparatus therefor

#1022
20070040455
2007-02-22

Actuator and bonding apparatus

#1023
20070024249
2007-02-01

Architecture for electric machine

#1024
20070013194
2007-01-18

Wind turbine and method of manufacture

#1025
20060290316
2006-12-28

Field-winding type of synchronous machine

#1026
20060290219
2006-12-28

Electric machine with permanent magnetic rotor

#1027
20060284509
2006-12-21

Induction motor

#1028
20060273682
2006-12-07

Permanent-magnet generator with magnetic flux controls

#1029
20060272870
2006-12-07

Hybrid electrical vehicle employing permanent magnetic type dynamo-electric machine

#1030
20060238064
2006-10-26

Flat radially interacting electric drive and a method of the manufacturing the same

#1031
20060226722
2006-10-12

Hybrid induction motor

#1032
20060214528
2006-09-28

Turbine generator having an A/C exciter

#1033
20060208597
2006-09-21

Hybrid induction motor

#1034
20060202579
2006-09-14

Polyphase motor with optimised running characteristics

#1035
20060197394
2006-09-07

Apparatus and system for driving a fan using a linear induction motor

#1036
20060191601
2006-08-31

Permanent magnet type electric rotating machine

#1037
20060176612
2006-08-10

Motor and recording disk driving device

#1038
20060175924
2006-08-10

Induction motor having reverse-rotation preventing function

#1039
20060152099
2006-07-13

Rotor-stator structure for electrodynamic machines

#1040
20060145561
2006-07-06

Three-phase synchronous reluctance motor

#1041
20060145555
2006-07-06

Rotor-stator structure for electrodynamic machines

#1042
20060138889
2006-06-29

Electromagnetic motor employing multiple rotors

#1043
20060131984
2006-06-22

Hybrid induction motor

#1044
20060087188
2006-04-27

Rotor-stator structure for electrodynamic machines

#1045
20060082238
2006-04-20

Brushless rotary electric machine having tandem rotary cores

#1046
20060071577
2006-04-06

Magnetic structure and motor employing said magnetic structure, and driver comprising said motor

#1047
20060060428
2006-03-23

Elevator hoisting machine and motor

#1048
20060038461
2006-02-23

Optimized air core armature

#1049
20060038458
2006-02-23

Permanent magnet rotary motor

#1050
20060028080
2006-02-09

Apparatus and process for generating energy

#1051
20060022540
2006-02-02

Magnet wheel of an internal combustion engine

#1052
20060006828
2006-01-12

Controller apparatus for synchronous motor and controlling method thereof

#1053
20060001269
2006-01-05

Electrical machine with double-sided rotor

#1054
20050258700
2005-11-24

Synchronous electrical machine

#1055
20050258698
2005-11-24

Permanent magnet rotary motor

#1056
20050242785
2005-11-03

Architecture for electric machine

#1057
20050236920
2005-10-27

Brushless rotary electric machine having tandem rotary cores

#1058
20050232791
2005-10-20

Dual-shaft vacuum pump

#1059
20050231057
2005-10-20

Method for fabricating a rotor arrangement and a rotor arrangement for an electric machine

#1060
20050206261
2005-09-22

Electromagnetic motor employing multiple rotors

#1061
20050200220
2005-09-15

Electromagnetic motor employing multiple rotors

#1062
20050184600
2005-08-25

Actuator and bonding apparatus

#1063
20050179334
2005-08-18

Rotary electric apparatus with skew arrangement

#1064
20050140243
2005-06-30

Brushless DC motor

#1065
20050134134
2005-06-23

Brushless DC motor

#1066
20050134133
2005-06-23

Brushless DC motor

#1067
20050116472
2005-06-02

Mobile electrical power source

#1068
20050110355
2005-05-26

Synchronous reluctance motor

#1069
20050093388
2005-05-05

Motor

#1070
20050040723
2005-02-24

Permanent-magnet rotor for an inner rotor type electric rotary machine and magnet-saving type rotor for a synchronous motor

#1071
20050017588
2005-01-27

Motor that utilizes the magnetic torque

#1072
20050012420
2005-01-20

Direct drive high torque compact synchronous motor

#1073
20050001504
2005-01-06

Motor of rotor with built-in permanent magnet

#1074
18616861
2025-03-04

Alternate stator slots using common manifold interface for bidirectional stator cooling

#1075
18404293
2024-06-25

High-speed motor system with air bearing supporting and control method thereof

#1076
17899326
2024-08-27

Electrical power generation using compressed gas

#1077
16572881
2021-12-21

Motor made from printed circuit boards

#1078
16457243
2020-12-29

Electric motor with compound planetary gear drive

#1079
16032277
2019-06-11

Magnet powered electric generator

#1080
15136585
2017-04-11

Method for switching between a full winding mode and a half winding mode in a three-phase machine

#1081
13456868
2016-10-25

Electrical machine having locked permanent magnets and rotor slices