ClassID:

217247

H02K7/025 - page 2 - 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:
#301
20140084714
2014-03-27

Homopolar motor-generator

#302
20140083656
2014-03-27

HVAC system having kinetic energy storage device

#303
20140076099
2014-03-20

ENERGY STORAGE SYSTEM

#304
20140062423
2014-03-06

Rotating kinetic and potential energy frequency regulation device for fast response large scale electric power applications

#305
20140060241
2014-03-06

Magnetic coupler having magnets with different magnetic strengths

#306
20140055905
2014-02-27

Apparatus and method for magnetically unloading a rotor bearing

#307
20140028132
2014-01-30

Bearingless flywheel systems, winding and control schemes, and sensorless control

#308
20130342060
2013-12-26

Solid-lubricated bearing assembly

#309
20130300236
2013-11-14

Starting assist method and starting assist system of electric vehicle

#310
20130285491
2013-10-31

Electro-mechanical kinetic energy storage device and method of operation

#311
20130264914
2013-10-10

Electromechanical flywheel with evacuation system

#312
20130261001
2013-10-03

Nested-rotor open-core flywheel

#313
20130260999
2013-10-03

Open-core flywheel architecture

#314
20130249478
2013-09-26

In-vehicle wireless charging system

#315
20130205943
2013-08-15

HUB FOR FLYWHEEL AND FLYWHEEL FOR ENERGY STORAGE HAVING SAME

#316
20130193788
2013-08-01

Flywheel power generating facility and method of operating same

#317
20130192413
2013-08-01

Method and apparatus for transferring power between a flywheel and a vehicle

#318
20130192399
2013-08-01

Clutched flywheel transmission

#319
20130152728
2013-06-20

High speed conical flywheel system

#320
20130134810
2013-05-30

Flywheel system

#321
20130134713
2013-05-30

Turbine-generator driven by compressed air and magnet motor

#322
20130101808
2013-04-25

ARCHITECTURAL CONSTRUCT HAVING A PLURALITY OF IMPLEMENTATIONS

#323
20130064979
2013-03-14

Methods for manufacturing architectural constructs

#324
20130062979
2013-03-14

Magnetic motor generator having a rolling configuration

#325
20130043750
2013-02-21

Advanced flywheel and method

#326
20130043679
2013-02-21

Wind power generator

#327
20130033136
2013-02-07

Electric machine with inner magnet hub

#328
20130020895
2013-01-24

APPARATUS, SYSTEM AND METHOD FOR DETECTING ANOMALOUS AXIAL DISPLACEMENTS OF A MAGNETICALLY LEVITATED FLYWHEEL IN AN ELECTROMECHANICAL BATTERY SYSTEM AND RELATED SYSTEMS AND METHODS

#329
20130020157
2013-01-24

PASSIVE INERT GAS BRAKING APPARATUS, SYSTEM AND METHOD FOR BRAKING A FLYWHEEL ROTATING WITHIN AN ELECTROMECHANICAL BATTERY SYSTEM AND RELATED SYSTEMS AND METHODS

#330
20130015825
2013-01-17

FLYWHEEL APPARATUS

#331
20130002071
2013-01-03

INERTIAL ENERGY STORAGE DEVICE AND METHOD OF ASSEMBLING SAME

#332
20120306418
2012-12-06

Low-Cost Minimal-Loss Flywheel Battery

#333
20120293031
2012-11-22

COUPLER

#334
20120223525
2012-09-06

ELECTRICITY GENERATING DEVICE

#335
20120201066
2012-08-09

DUAL SWITCHING FREQUENCY HYBRID POWER CONVERTER

#336
20120198960
2012-08-09

HIGH ENERGY DENSITY FLYWHEEL

#337
20120192784
2012-08-02

Transportation device with reciprocating part and kinetic storage

#338
20120190461
2012-07-26

Flywheel

#339
20120187922
2012-07-26

ENERGY STORAGE SYSTEM AND METHOD

#340
20120181957
2012-07-19

Energy storage device and operating method

#341
20120176074
2012-07-12

SYSTEM FOR DECOUPLING A ROTOR FROM A STATOR OF A PERMANENT MAGNET MOTOR AND FLYWHEEL STORAGE SYSTEM USING THE SAME

#342
20120146437
2012-06-14

Apparatus For Converting Three Phase Electrical Power To Two Phase Electrical Power

#343
20120114486
2012-05-10

OFFSHORE ENERGY STORAGE DEVICE

#344
20120111689
2012-05-10

FLYWHEEL

#345
20120098371
2012-04-26

STABILIZATION OF ROTATING MACHINERY

#346
20120098274
2012-04-26

Method of and plant for storage and retrieval of electrical energy

#347
20120096984
2012-04-26

Flywheel System

#348
20120074930
2012-03-29

Moving magnetic field generating apparatus

#349
20120062154
2012-03-15

Flywheel system using wire-wound rotor

#350
20120062058
2012-03-15

Shaft-less energy storage flywheel

#351
20120060645
2012-03-15

Energy storage system comprising a flywheel

#352
20120038313
2012-02-16

Fuel Cell Based Hybrid Electric Renewable Micro Power Pack

#353
20120025650
2012-02-02

System and method for power purifying

#354
20110298293
2011-12-08

Flywheel energy system

#355
20110290051
2011-12-01

Flywheel System With A Variable Speed Drive

#356
20110277587
2011-11-17

Variable inertia flywheel

#357
20110259143
2011-10-27

FLYWHEEL

#358
20110254398
2011-10-20

Self-contained & propelled magnetic alternator & flywheel directdrive generator aka:MAW-directdrives flywheel generator

#359
20110214528
2011-09-08

Flywheel assembly

#360
20110187101
2011-08-04

System for producing energy through the action of waves

#361
20110175371
2011-07-21

Flywheel system

#362
20110175370
2011-07-21

Portable Multi-Stack Flywheel Energy Storage Assembly

#363
20110140455
2011-06-16

Magnetically suspended flywheel energy storage system with magnetic drive

#364
20110101701
2011-05-05

Transient absorber for power generation system

#365
20110089762
2011-04-21

Lossless short-duration electrical storage means for power generation system

#366
20110089703
2011-04-21

Reciprocal spring arrangement for power generation system

#367
20110088507
2011-04-21

Systems and Methods for Powering a Variable Load with a MultiStage Flywheel Motor

#368
20110084501
2011-04-14

Vehicle speed detection means for power generation system

#369
20110084500
2011-04-14

Low profile, surface-mounted power generation system

#370
20110084499
2011-04-14

Weather responsive treadle locking means for power generation system

#371
20110068648
2011-03-24

ENERGY STORAGE AND GENERATION SYSTEM FOR AN ELECTRICALLY POWERED MOTORIZED VEHICLE

#372
20110031827
2011-02-10

ENERGY STORAGE DEVICE COMPRISING A FLYWHEEL

#373
20100320773
2010-12-23

SPACECRAFT ELECTRIC REGENERATOR

#374
20100314168
2010-12-16

Flywheel-based energy storage on a heave-compensating drawworks

#375
20100307285
2010-12-09

Kinetic energy accumulator and an energy transfer system incorporating a kinetic energy accumulator

#376
20100283350
2010-11-11

FLYWHEEL GENERATOR SYSTEM HAVING OPEN SHAPED LOOP COILS

#377
20100283340
2010-11-11

Low-cost minimal-loss flywheel battery

#378
20100282528
2010-11-11

Electro-Mechanical Battery

#379
20100263479
2010-10-21

INERTIAL ENERGY STORAGE SYSTEM

#380
20100253172
2010-10-07

Alternating current electric induction motor with auxiliary closed loop toroidal winding

#381
20100244786
2010-09-30

ENERGY STORAGE

#382
20100244343
2010-09-30

Thermally switched ferromagnetic latching support system

#383
20100237629
2010-09-23

Flywheel system

#384
20100231075
2010-09-16

Large capacity hollow-type flywheel energy storage device

#385
20100207468
2010-08-19

Three plus three phase flywheel electric power supply

#386
20100206126
2010-08-19

Advanced flywheel hub and method

#387
20100201134
2010-08-12

Gravity-based electrical energy production system

#388
20100171366
2010-07-08

Transient energy systems and methods for use of the same

#389
20100156222
2010-06-24

Dual motor

#390
20100156219
2010-06-24

Advanced flywheel and method

#391
20100117375
2010-05-13

Energy storage device and method of use

#392
20100117374
2010-05-13

Electricity production from static weight

#393
20100109451
2010-05-06

ENERGY ACCUMULATOR COMPRISING A SWITCHED RELUCTANCE MACHINE

#394
20100072847
2010-03-25

Electromagnetically Driven Configuration of Flywheels And Rotors To Power Zero Emission Vehicles

#395
20100018344
2010-01-28

Composite Hub for High Energy-Density Flywheel

#396
20100001697
2010-01-07

Mechanical flow battery

#397
20090309522
2009-12-17

Generator-brake integration type rotating machine

#398
20090309363
2009-12-17

Electric wheel

#399
20090218816
2009-09-03

Motor-generator system with a current control feedback loop

#400
20090195096
2009-08-06

FLYWHEEL POWER SUPPLY DEVICE

#401
20090152874
2009-06-18

Three plus three phase flywheel power supply

#402
20090134705
2009-05-28

Mbackup flywheel power supply

#403
20090085419
2009-04-02

Hybrid touchdown bearing system

#404
20090072771
2009-03-19

Magnetic motor generator having a floating flywheel

#405
20090051235
2009-02-26

Mass magnifier using magnetic fields and mu-metal to provide an energy storage flywheel for use in conventional, microtechnology, and nanotechnology engines

#406
20090033162
2009-02-05

Variable Inertia Flywheel

#407
20090033100
2009-02-05

Hand squeeze generator

#408
20080315696
2008-12-25

Lift magnet mechanism for flywheel power storage systems

#409
20080303363
2008-12-11

Energy storage and gyroscopic stabilizing system

#410
20080297120
2008-12-04

ELECTRONICALLY REDUNDANT SPACECRAFT POWER AND ATTITUDE CONTROL SYSTEM

#411
20080290750
2008-11-27

Drive motor system

#412
20080220882
2008-09-11

Torque Converter

#413
20080180067
2008-07-31

Flywheel electric generator

#414
20080168858
2008-07-17

FLYWHEEL STABILITY SLEEVE

#415
20080143302
2008-06-19

ELECTRICAL POWER GENERATION SYSTEM

#416
20080122308
2008-05-29

Method for Stabilizing a Magnetically Levitated Object

#417
20080087133
2008-04-17

Fully redundant spacecraft power and attitude control system

#418
20080054827
2008-03-06

POWER SYSTEM RATING CONVERTER

#419
20080032894
2008-02-07

Rotary body used for energy storage apparatus, method of manufacturing rotary body, and energy storage apparatus

#420
20070262666
2007-11-15

Power generating systems

#421
20070252463
2007-11-01

Dynamo system having a freely moving flywheel in circular track

#422
20070236092
2007-10-11

Power generating systems

#423
20070228854
2007-10-04

Power generating systems

#424
20070228853
2007-10-04

Power generating systems

#425
20070228849
2007-10-04

Power generating systems

#426
20070216246
2007-09-20

Power generating systems

#427
20070199744
2007-08-30

Power generating and storage system having a common stator

#428
20070145844
2007-06-28

Torque converter and system using the same

#429
20070138888
2007-06-21

Electrical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same

#430
20070120430
2007-05-31

Flywheel electric generator

#431
20070114795
2007-05-24

FLYWHEEL SYSTEM WITH SYNCHRONOUS RELUCTANCE AND PERMANENT MAGNET GENERATORS

#432
20070103009
2007-05-10

Method and Structure for Integrated Energy Storage Device

#433
20070085444
2007-04-19

Nanometer-scale electrostatic and electromagnetic motors and generators

#434
20070046117
2007-03-01

Torque converter and system using the same

#435
20070007835
2007-01-11

Power generating systems

#436
20060261596
2006-11-23

Motor-generator system with a current control feedback loop

#437
20060255676
2006-11-16

Power generating systems

#438
20060117904
2006-06-08

Crash management system for implementation in flywheel systems

#439
20060096796
2006-05-11

Power storage system with low voltage and high voltage windings for a vehicle driving system

#440
20060066104
2006-03-30

Methods and apparatus for ride-through operation of a complementary device to a transient power source

#441
20060061334
2006-03-23

Apparatus and method for transient and uninterruptible power

#442
20060038453
2006-02-23

Flywheel system with synchronous reluctance and permanent magnet generators

#443
20050258692
2005-11-24

Torque converter and system using the same

#444
20050236919
2005-10-27

Torque converter system and method of using the same

#445
20050236918
2005-10-27

Rotary disk energy storage and pulse power supply

#446
20050188777
2005-09-01

Energy storage flywheel system containment vessel

#447
20050179339
2005-08-18

Electromechanical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same

#448
20050175840
2005-08-11

Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors

#449
20050162134
2005-07-28

Motor-generator system with a current control feedback loop

#450
20050155450
2005-07-21

Composite flywheel

#451
20050127767
2005-06-16

Controller and magnetically driven wheel for use in a radial/rotary propulsion system

#452
20050082928
2005-04-21

Energy storage flywheel auxiliary bearing system and method

#453
20050040776
2005-02-24

Flywheel energy storage systems

#454
20050035744
2005-02-17

Energy storage flywheel voltage regulation and load sharing system and method

#455
20050013721
2005-01-20

Reduced temperature and pressure powder metallurgy process for consolidating rhenium alloys

#456
18320178
2024-09-17

Power system with carbon dioxide working fluid, generator, and propulsion system

#457
18110557
2025-03-25

Actuated flywheel projectile launcher

#458
17863520
2023-10-17

Mechanical energy accumulator system

#459
17171356
2023-06-13

Mechanical energy and storage device

#460
16870811
2022-03-01

Gravity assisted mechanical energy

#461
16735502
2020-08-18

Mechanical renewable green energy production

#462
16447583
2020-06-02

Energy storage and transmission system

#463
15240354
2017-10-10

Energy storage apparatus for storing electrical energy generated by an energy source

#464
14600578
2015-10-27

Regenerative energy system