ClassID:

217247

H02K7/025 - CPC Classification

Classification description:

Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines; Additional mass for increasing inertia, e.g. flywheels for power storage

Recent Application in this class:
#1
20260121481
2026-04-30

FLYWHEEL ASSEMBLY AND HOIST MECHANISM AND TIMING DEVICE FOR POWERING AN ELECTRIC GENERATOR

#2
20260051785
2026-02-19

VOLUMETRICALLY CONSTRAINED COMPOUND ROTORS FOR FLYWHEEL ELECTRIC STORAGE SYSTEMS AND NUMERICAL MODELING PROCESSES FOR THE PRODUCTION THEREOF

#3
20260012060
2026-01-08

PLANETARY GEARING SYSTEM

#4
20250373115
2025-12-04

MAGNETIC ROTATING MECHANISM

#5
20250343463
2025-11-06

MOBILE POWER STATION

#6
20250330059
2025-10-23

ROTATING ELECTRICAL MACHINE AND OPERATING METHOD THEREOF

#7
20250309683
2025-10-02

Mechanical-Energy Storage Unit

#8
20250270981
2025-08-28

ENERGY STORAGE AND RETRIEVAL SYSTEM

#9
20250270931
2025-08-28

POWER SYSTEM WITH CARBON DIOXIDE WORKING FLUID, GENERATOR, AND PROPULSION SYSTEM

#10
20250257787
2025-08-14

MECHANICAL-ENERGY STORAGE UNIT AND ASSEMBLY FIXTURE

#11
20250243923
2025-07-31

STACKING FLYWHEEL AND LINKAGE

#12
20250232251
2025-07-17

SHIPPING CONTAINER TRACKING METHODS

#13
20250219501
2025-07-03

DEVICE FOR THE STORING AND REUSE OF ENERGY

#14
20250183755
2025-06-05

ENERGY STORAGE DEVICE

#15
20250163896
2025-05-22

ENERGY STORAGE SYSTEM AND METHOD

#16
20250088071
2025-03-13

GYROSCOPIC MECHANICAL AND ELECTRICAL BATTERY FOR STABILIZING A SURGICAL ROBOTIC MOBILE CART

#17
20250067253
2025-02-27

FLYWHEEL ASSEMBLY

#18
20250062656
2025-02-20

DRIVING-POWER-OUTPUTTING FLYWHEEL DEVICE

#19
20250035185
2025-01-30

MECHANICAL RENEWABLE GREEN ENERGY PRODUCTION

#20
20250030308
2025-01-23

ENERGY STORAGE UNIT INCLUDING MULTIPLE KINETIC CELLS TO SUPPLY ELECTRICAL POWER THEREFROM

#21
20240429780
2024-12-26

HOLLOW DISC ROTOR FOR FLYWHEEL POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING SAME

#22
20240429779
2024-12-26

Flywheel Energy Storage Device

#23
20240429778
2024-12-26

FLYWHEEL BATTERY

#24
20240388165
2024-11-21

FLYWHEEL MAGNETIC LIFT AND BEARING SYSTEM

#25
20240388164
2024-11-21

MECHANICAL-ENERGY STORAGE UNIT SYSTEM

#26
20240384777
2024-11-21

FLYWHEEL VACUUM ENCLOSURE AND ADJUSTMENT SYSTEM

#27
20240384776
2024-11-21

Stacking flywheel and linkage

#28
20240384708
2024-11-21

Mechanical-energy storage unit and assembly fixture

#29
20240376869
2024-11-14

Torque Driven Dynamic Generator with Inertia Sustaining Drive

#30
20240372434
2024-11-07

Roadway Embedded Renewable Electricity Generation System

#31
20240372433
2024-11-07

Energy storage flywheel and energy storage apparatus

#32
20240313614
2024-09-19

MAGNETIC BEARING, FLYWHEEL DEVICE, AND ELECTRIC POWER GENERATION SYSTEM USING SAME

#33
20240313612
2024-09-19

Constant stress solid disk rotor of flywheel for flywheel energy storage system and design method thereof

#34
20240275235
2024-08-15

FLYWHEEL SYSTEMS AND METHODS

#35
20240250593
2024-07-25

FLYWHEEL SYSTEM WITH STATIONARY SHAFT

#36
20240235322
2024-07-11

Magnetic Flywheel Energy Management System and Method

#37
20240235321
2024-07-11

Structure self-adjusting type vehicle-mounted flywheel battery coping with multiple operation modes and operating method thereof

#38
20240186864
2024-06-06

SYSTEM AND METHOD FOR HARNESSING GRAVITY TO GENERATE, LEVERAGE, AND STORE ELECTRICAL ENERGY

#39
20240092193
2024-03-21

Generating power with a conduit inspection tool

#40
20240088706
2024-03-14

Mechanical-Energy Storage Unit

#41
20240003404
2024-01-04

Flywheel assembly

#42
20230396131
2023-12-07

Sensor device for contactless determination of a radial position of a rotor

#43
20230396125
2023-12-07

FLYWHEEL POWER STORAGE DEVICE

#44
20230396124
2023-12-07

Ultra-thin vehicle-mounted magnetic suspension flywheel battery and operating method thereof

#45
20230361648
2023-11-09

Tumbler-type vehicle-mounted flywheel energy storage device with five-degree-of-freedom magnetic suspension support

#46
20230327481
2023-10-12

Energy Storage and Recovery System

#47
20230307986
2023-09-28

Kinetic energy recovery system, method thereof and cutting device

#48
20230291339
2023-09-14

Active Electric ESS

#49
20230268799
2023-08-24

Auxiliary power source for electric vehicles

#50
20230261505
2023-08-17

Mechanical renewable green energy production

#51
20230253856
2023-08-10

INTEGRATED STATOR DEVICE FOR AN ELECTRIC MACHINE OF A FLYWHEEL ENERGY STORAGE SYSTEM

#52
20230246481
2023-08-03

Mechanical-energy storage unit

#53
20230238901
2023-07-27

Mechanical Energy Storage Unit-based Energy Platform

#54
20230231412
2023-07-20

Flywheel energy storage system

#55
20230216302
2023-07-06

Energy storage power source using self-excitation of a wound-rotor induction machine (WRIM) to charge and discharge energy storage elements (ESEs)

#56
20230170829
2023-06-01

Dual-motor unit for a flywheel energy storage system with a nonlinear overall power characteristic curve

#57
20230170761
2023-06-01

INTEGRATED FLYWHEEL CONTROL APPARATUS FOR APPLYING RESISTING FORCE OR DRIVING FORCE TO FLYWHEEL

#58
20230158900
2023-05-25

Generating power with a conduit inspection tool

#59
20230130597
2023-04-27

Power system

#60
20230129826
2023-04-27

Work vehicle and energy storage device having an electric machine and a rotor mass

#61
20230126557
2023-04-27

Brake for energy storage device

#62
20230124198
2023-04-20

Devices and methods for tracking shipping containers

#63
20230101916
2023-03-30

Power generation device

#64
20230064509
2023-03-02

MAGNETIC FLYWHEEL ENERGY MANAGEMENT SYSTEM AND METHOD

#65
20230021793
2023-01-26

AN ELECTRIC MACHINE WITH HYBRID ENERGY STORAGE DEVICES

#66
20220368260
2022-11-17

Driving and resistance control system for permanent-magnet synchronous motor

#67
20220360136
2022-11-10

Integrated energy storage systems for renewable energy

#68
20220329102
2022-10-13

Flywheel, flywheel designing method, and flywheel power storage system

#69
20220314829
2022-10-06

Renewable and Environment Friendly Wind Powered Vehicle System

#70
20220255382
2022-08-11

Stacked lamination rotor

#71
20220243784
2022-08-04

Flywheel assembly

#72
20220242254
2022-08-04

System for delivering and storing energy

#73
20220228572
2022-07-21

Gravity-based energy storage system

#74
20220166287
2022-05-26

Flywheel and molten salt hybrid energy storage systems

#75
20220123555
2022-04-21

Augmented bus impedance and thump control for electrical power systems

#76
20220069667
2022-03-03

Power generation method and system equipped with energy storage and energy release accommodation mechanism

#77
20220052582
2022-02-17

Electrical power generating apparatus

#78
20220052581
2022-02-17

ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM

#79
20220052580
2022-02-17

Rotational motor

#80
20220014024
2022-01-13

Systems containing a double fed induction machine and a fly wheel, and methods of operating such systems

#81
20220010861
2022-01-13

FLYWHEEL ARRANGEMENT

#82
20220003220
2022-01-06

Flywheel arrangement

#83
20210391778
2021-12-16

Flywheel system with stationary shaft

#84
20210376692
2021-12-02

ENERGY STORAGE SYSTEM

#85
20210376691
2021-12-02

Remote Structural Reinforcement of the Flywheel Energy Storage System

#86
20210376610
2021-12-02

Hybrid energy storage modules for pulsed power effectors with medium voltage direct current (MVDC) power distribution

#87
20210372377
2021-12-02

Flywheel energy storage system

#88
20210331573
2021-10-28

Power flywheel motor

#89
20210317896
2021-10-14

Compact low-frequency wave absorption device

#90
20210305880
2021-09-30

GYRATION ENERGY GENERATOR

#91
20210296961
2021-09-23

Electromechanical battery

#92
20210197935
2021-07-01

MOTION-STATE DEPENDENT OPERATION OF KINETIC GENERATOR ON A MARINE VESSEL OR PLATFORM

#93
20210184539
2021-06-17

Magnetic flywheel energy management system and method

#94
20210167661
2021-06-03

System and method for providing dynamic force

#95
20210159759
2021-05-27

DEVICES AND METHODS FOR INCREASING ENERGY AND/OR POWER DENSITY IN COMPOSITE FLYWHEEL ENERGY STORAGE SYSTEMS

#96
20210143705
2021-05-13

MAGNETICALLY COUPLED FLYWHEEL

#97
20210135482
2021-05-06

Mechanical renewable green energy production

#98
20210099051
2021-04-01

Kinetic energy storage

#99
20210091635
2021-03-25

Stator cooling for flywheel energy storage system

#100
20210091618
2021-03-25

Composite rotor for flywheel energy storage system

#101
20210088117
2021-03-25

Rotor hub for flywheel energy storage system

#102
20210088031
2021-03-25

Mechanical brake for flywheels

#103
20210075217
2021-03-11

Hybrid energy storage modules for pulsed power effectors with medium voltage direct current (MVDC) power distribution

#104
20210054830
2021-02-25

Energy storage system and method

#105
20210044175
2021-02-11

Flywheel energy storage fan

#106
20210021225
2021-01-21

Kinetic energy recovery system with flywheel

#107
20210021172
2021-01-21

Kinetic energy recovery system with flywheel

#108
20200403479
2020-12-24

Large scale flywheel for energy storage

#109
20200395764
2020-12-17

Power transfer system with multiple energy storage modules

#110
20200313507
2020-10-01

Apparatus for supporting a flywheel on a floating vessel and methods thereof

#111
20200259379
2020-08-13

Stacked lamination rotor

#112
20200212762
2020-07-02

Flywheel device used for energy storage including a hermetically sealed cylinder section and disc-shaped rotor arranged within cylinder section

#113
20200173426
2020-06-04

KINETIC ENERGY ELECTRIC POWER

#114
20200158095
2020-05-21

Apparatus for generating energy

#115
20200153323
2020-05-14

EXPANDABLE AI ARTIFICIAL INTELLIGENCE DRIVING FORCE, ELECTRICITY GENERATOR MULTI-STATOR MULTI-FUNCTION MOTORAND SYSTEM DEVICES

#116
20200144887
2020-05-07

Rotating energy storage apparatus and method of imparting rotational motion of a vessel containing the same

#117
20200144886
2020-05-07

Flywheel energy storage system

#118
20200141471
2020-05-07

Flywheel with bifurcated molecular pump

#119
20200136464
2020-04-30

Electrostatic generator electrode-centering and seismic-isolation system for flywheel-based energy storage modules

#120
20200119615
2020-04-16

Axial split-phase bearingless flywheel motor of three phases and four degrees of freedom

#121
20200119614
2020-04-16

FLYWHEEL ENERGY STORAGE SYSTEM

#122
20200119558
2020-04-16

Electric power-regulating system and method thereof

#123
20200106334
2020-04-02

SYSTEMS AND METHODS FOR PROVIDING ENHANCED MECHANICAL/ELECTRICAL ENERGY STORAGE

#124
20200106333
2020-04-02

Systems and methods for providing enhanced mechanical/electrical energy storage

#125
20200099273
2020-03-26

POWER-SAVING ELECTRICAL DEVICE

#126
20200052549
2020-02-13

Portable private power generation apparatus and module equipped with same

#127
20200047895
2020-02-13

Inertial energy storage device

#128
20200047604
2020-02-13

Mining machine and energy storage system for same

#129
20200028379
2020-01-23

Energy storage system and method

#130
20200025182
2020-01-23

Energy storage system and method

#131
20200025181
2020-01-23

Energy storage system and method

#132
20200024108
2020-01-23

Energy storage system and method

#133
20200007018
2020-01-02

Electro-magnetic generator for vehicle and power plant

#134
20190393754
2019-12-26

System and method for damping of torsional oscillations in large inertial energy storage systems

#135
20190386540
2019-12-19

ALTERNATOR APPARATUS AND VOLTAGE CONVERTER THEREOF

#136
20190379269
2019-12-12

Online UPS system with combined air and water cooling

#137
20190374808
2019-12-12

FLYWHEEL MEASURING SYSTEM AND FITNESS EQUIPMENT HAVING THE SAME

#138
20190346013
2019-11-14

ENERGY STORAGE AND POWER OUTPUT FLYWHEEL SYSTEM

#139
20190341827
2019-11-07

Method and apparatus to drive a rotor and generate electrical power

#140
20190323438
2019-10-24

Combined engine systems

#141
20190312482
2019-10-10

Flywheel kinetic accumulator

#142
20190280556
2019-09-12

Damping system for generating electrical power

#143
20190260264
2019-08-22

Electrostatic generator/motor electrodes located on the inner surface of an electromechanical battery rotor

#144
20190255933
2019-08-22

Supplemental regenerative braking system

#145
20190252942
2019-08-15

MAGNETICALLY COUPLED FLYWHEEL

#146
20190238028
2019-08-01

Method and system for generating electricity from footsteps

#147
20190229578
2019-07-25

GYRATION ENERGY GENERATOR

#148
20190203803
2019-07-04

FLYWHEEL ENERGY STORAGE SYSTEM

#149
20190203802
2019-07-04

FLYWHEEL ENERGY STORAGE SYSTEM

#150
20190199165
2019-06-27

ROTATING MASS ENERGY STORE

#151
20190199164
2019-06-27

Flywheel energy storage with PM, induction, or variable reluctance machine

#152
20190190346
2019-06-20

Electric power system having energy storage with motor-charged flywheel

#153
20190184805
2019-06-20

Hybrid vehicle powertrains with flywheel energy storage systems

#154
20190165645
2019-05-30

Kinetic energy storage with a switched reluctance machine

#155
20190140514
2019-05-09

Systems and methods for providing enhanced mechanical/electrical energy storage

#156
20190115858
2019-04-18

Motor drive system including servomotor for buffer including plural windings

#157
20190081577
2019-03-14

Electric machine with electrodes having modified shapes

#158
20190040933
2019-02-07

Cylindrical rotational body

#159
20190036336
2019-01-31

Hybrid energy storage modules for pulsed power effectors with medium voltage direct current (MVDC) power distribution

#160
20190032643
2019-01-31

Flywheel energy storage device and method of its use

#161
20190011001
2019-01-10

Emergency Braking of a Flywheel

#162
20180356791
2018-12-13

Motor drive system including abnormality detection unit of power storage device

#163
20180351446
2018-12-06

Vertically mounted and magnetically driven power generation apparatus

#164
20180351433
2018-12-06

Device for storing kinetic energy

#165
20180351432
2018-12-06

Method and apparatus to drive a rotor and generate electrical power

#166
20180337576
2018-11-22

Devices and methods for increasing energy and/or power density in composite flywheel energy storage systems

#167
20180294691
2018-10-11

Energy storage management system

#168
20180287456
2018-10-04

Flywheel unit with damping device

#169
20180269748
2018-09-20

Flywheel Rotor

#170
20180266195
2018-09-20

Electric linear actuation system equipped with energy storage

#171
20180248459
2018-08-30

Extendable compact structure having one or plurality of permanent magnets for driving Electrical Generator

#172
20180236878
2018-08-23

Electrically driven machine with reverse power storage

#173
20180226805
2018-08-09

High efficiency electric power generation and charging system

#174
20180209510
2018-07-26

Flywheel

#175
20180190418
2018-07-05

Apparatus and Method for Magnetically Unloading a Rotor Bearing

#176
20180183298
2018-06-28

Dual purpose no voltage winding design for bearingless AC homopolar and consequent pole motors and an AC homopolar flywheel energy storage system

#177
20180166946
2018-06-14

Flywheel energy storage device with induction torque transfer

#178
20180152076
2018-05-31

Integrated flywheel energy storage system

#179
20180142763
2018-05-24

Vacuum management system

#180
20180141431
2018-05-24

Systems, methods, and apparatuses for storing energy in a mining machine

#181
20180138779
2018-05-17

FLYWHEEL

#182
20180123423
2018-05-03

Extreme environment variable reluctance energy harvester and method for implementing same

#183
20180093576
2018-04-05

Electromechanical integrated machine for electrified vehicles

#184
20180087487
2018-03-29

Offshore energy storage device

#185
20180080525
2018-03-22

Apparatus and method for magnetically unloading a rotor bearing

#186
20180069453
2018-03-08

Method for pre-conditioning a kinetic energy storage system

#187
20180034353
2018-02-01

Motor-generator with radial-flux double-sided stator

#188
20180034344
2018-02-01

Power electronics housing and packaging for flywheel energy storage systems

#189
20180013338
2018-01-11

Electric drive assembly

#190
20180013331
2018-01-11

Electrostatic generator electrode-centering and seismic-isolation system for flywheel-based energy storage modules

#191
20180013330
2018-01-11

Electrically Powered Generator

#192
20180006539
2018-01-04

Homopolar motor for a flywheel energy storage system

#193
20180003263
2018-01-04

Stacked flywheel rotor

#194
20170366065
2017-12-21

Vertical magnetic transmission assembly and energy-saving generator with the same

#195
20170358969
2017-12-14

Open-core flywheel architecture

#196
20170353077
2017-12-07

Spherical flywheel battery and storage device

#197
20170343076
2017-11-30

Flywheel intended for energy storage

#198
20170341504
2017-11-30

Mining machine and energy storage system for same

#199
20170317553
2017-11-02

Containing a field of flywheel energy storage units

#200
20170310195
2017-10-26

Communication device

#201
20170279335
2017-09-28

High power flywheel system with rotor having a flowable back iron and a composite structure support

#202
20170271944
2017-09-21

Open-core flywheel architecture

#203
20170271943
2017-09-21

Devices and methods for increasing energy and/or power density in composite flywheel energy storage systems

#204
20170244300
2017-08-24

MAGNETICALLY COUPLED FLYWHEEL

#205
20170229988
2017-08-10

Direct current brushless motor

#206
20170217317
2017-08-03

Electric vehicle

#207
20170179788
2017-06-22

Failure mode protection for electromechanical battery

#208
20170175701
2017-06-22

Wave energy generation device and methods of using the same

#209
20170175564
2017-06-22

Flywheel with Inner Turbine, Intermediate Compressor, and Outer Array of Magnets

#210
20170170713
2017-06-15

Flywheel, manufacturing method thereof, and power generating apparatus

#211
20170163114
2017-06-08

Motor-generator with multiple stator windings

#212
20170149305
2017-05-25

Generator set having coupling member between flywheel and generator

#213
20170149303
2017-05-25

DIGITALLY CONTROLLED MOTOR DEVICE WITH STORAGE

#214
20170149279
2017-05-25

System and method for storing high capacity electric energy

#215
20170104386
2017-04-13

Kinetic Energy System Utilizing Multi-size Multi-use High Speed Rotating Flywheel

#216
20170093247
2017-03-30

ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM

#217
20170063192
2017-03-02

Electro-mechanical kinetic energy storage device and method of operation

#218
20170054343
2017-02-23

Electrostatic generator/motor electrodes located on the inner surface of an electromechanical battery rotor

#219
20170047820
2017-02-16

Wave energy convertor

#220
20170047810
2017-02-16

PORTABLE APPARATUS FOR GENERATING ELECTRICAL ENERGY

#221
20170037932
2017-02-09

Flywheel system

#222
20170025922
2017-01-26

Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system

#223
20170012497
2017-01-12

Human Hybrid Scalable Power Plant - Human Hybrid Power Source

#224
20170012489
2017-01-12

Flywheel assembly

#225
20160380511
2016-12-29

TRANSIENT ABSORBER FOR POWER GENERATION SYSTEM

#226
20160377047
2016-12-29

Device and method for converting wave motion energy into electric power

#227
20160362009
2016-12-15

DRIVE SYSTEM FOR A MOTOR VEHICLE

#228
20160362008
2016-12-15

DRIVE SYSTEM FOR A MOTOR VEHICLE

#229
20160362007
2016-12-15

DRIVE SYSTEM FOR A MOTOR VEHICLE

#230
20160347167
2016-12-01

Mining machine and energy storage system for same

#231
20160347163
2016-12-01

Systems, methods, and apparatuses for storing energy in a mining machine

#232
20160341514
2016-11-24

Hybrid propellant electromagnetic gun system

#233
20160336836
2016-11-17

Generating your own power

#234
20160336835
2016-11-17

Relating to generating your own power

#235
20160329776
2016-11-10

Manufacturing method of hub for flywheel

#236
20160322881
2016-11-03

INTEGRATED MOTOR GENERATOR FLYWHEEL WITH ROTATING PERMANENT MAGNET

#237
20160315521
2016-10-27

Transportation device with reciprocating part and kinetic storage

#238
20160294250
2016-10-06

ELECTRIC MOTOR GENERATOR WORKING WITHOUT BEARINGS

#239
20160285341
2016-09-29

ENERGY STORAGE DEVICE

#240
20160272048
2016-09-22

Kinetic energy hybrid system for transport refrigeration

#241
20160241106
2016-08-18

Flywheel Energy System

#242
20160208911
2016-07-21

Clutched flywheel transmission

#243
20160178031
2016-06-23

Flywheel assembly

#244
20160167526
2016-06-16

HYBRID VEHICLE AND METHOD OF CONTROLLING HYBRID VEHICLE

#245
20160156257
2016-06-02

Magnetic Coupling

#246
20160118859
2016-04-28

Energy storage module comprising a DC link

#247
20160111938
2016-04-21

KINETIC ENERGY COLLECTOR MECHANISM TO GENERATE ELECTRIC POWER FROM PASSING VEHICLES, USING A MAIN AXLE CONNECTED TO A FLYWHEEL

#248
20160105136
2016-04-14

Method and a generator system for operating a generator

#249
20160079842
2016-03-17

Electric generating device having reduced volume

#250
20160079826
2016-03-17

Energy storage management system

#251
20160072365
2016-03-10

Communication device

#252
20160065032
2016-03-03

Flywheel rotor

#253
20160025067
2016-01-28

Vertial axis wind/solar turbine

#254
20150381012
2015-12-31

Flywheel

#255
20150364967
2015-12-17

Flywheel Apparatus and Use Thereof

#256
20150354544
2015-12-10

Offshore energy storage device

#257
20150333570
2015-11-19

Uninterruptible power supply system

#258
20150318760
2015-11-05

High-voltage flywheel energy storage system

#259
20150318759
2015-11-05

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