| Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) |
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| 02/18/2009 | CN201196125Y Vehicle starter with low-speed tooth-entering mechanism |
| 02/11/2009 | EP1719216A4 Armature with unitary coil and commutator |
| 02/11/2009 | CN101364761A Self-driving type motor started by external electricity |
| 02/11/2009 | CN101364759A Double rotor planet differential electricity generator |
| 02/11/2009 | CN100461588C Motor |
| 02/05/2009 | WO2009016468A2 Pump control apparatus and brake control system |
| 02/05/2009 | WO2009015930A1 Electric machine comprising conductor loops arranged inside grooves, and method for operating said electric machine |
| 02/05/2009 | DE102007036253A1 Elektrische Maschine mit in Nuten angeordneten Leiterschleifen, sowie Verfahren zum Betreiben der elektrschen Maschine Electrical machine having arranged in grooves of conductor loops, and method of operating the machine elektrschen |
| 02/04/2009 | CN201191799Y Permanent magnetic overlapped efficient power generator |
| 02/04/2009 | CN201191798Y Outer wire rotating electric machine |
| 02/04/2009 | CN201191795Y Differential mechanism electric motor |
| 02/04/2009 | CN101361250A Displacement drive of a motor vehicle |
| 02/04/2009 | CN101359863A Electricity driving motor |
| 02/04/2009 | CN101359846A Hybrid magnetic engine |
| 01/29/2009 | WO2009013049A1 Electric machine having a commutator, and method for operating the electric machine |
| 01/29/2009 | US20090026863 Magnetic unit power plant system (MUPPS) |
| 01/29/2009 | DE102007034225A1 Elektromotor für das Elektromotor-Pumpen-Aggregat eines Kraftfahrzeug-Antiblockiersystems Electric motor for the electric motor-pump assembly of an automobile anti-lock system |
| 01/28/2009 | EP2019478A2 Electric motors |
| 01/28/2009 | EP2019474A2 Electric motor for a pump assembly of an antiskid system |
| 01/28/2009 | CN201188574Y Stacking permanent magnet electric machine without iron core |
| 01/28/2009 | CN101355269A High energy-saving motor |
| 01/28/2009 | CN100456621C Phase advance angle optimization for brushless motor control |
| 01/21/2009 | CN201185371Y Coil winding symmetrical flat type vibrating motor |
| 01/14/2009 | CN201181895Y DC motor |
| 01/14/2009 | CN201181870Y Electric motor armature with distributed winding for reducing electric arc |
| 01/14/2009 | CN100452623C Coreless motor and its producing and assembling method |
| 01/13/2009 | US7477034 System and method for commutating a motor using back electromotive force signals |
| 01/08/2009 | US20090009023 Electrical Machine |
| 01/08/2009 | US20090009014 Stator end disk for a commutator motor and corresponding commutator motor |
| 01/07/2009 | CN201178366Y Axis directional dual magnetic circuit large power DC motor |
| 01/02/2009 | DE10153574B4 Elektromaschine Electric machine |
| 01/01/2009 | US20090004010 Signal transmission apparatus of a dc brushless motor for a ceiling fan |
| 12/31/2008 | WO2009000290A1 A device for noise suppression of a small electric motor |
| 12/31/2008 | CN101335474A Vibration motor |
| 12/31/2008 | CN101335472A Electric motor with brush holder |
| 12/30/2008 | US7471002 Voltage controller of alternator for vehicle |
| 12/30/2008 | CA2405712C Coreless motor door closure system |
| 12/25/2008 | US20080315805 Chopper circuit topologies for adapting an electrical braking system in a traction vehicle |
| 12/25/2008 | US20080315709 Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter |
| 12/25/2008 | US20080315706 Current limiting means for a generator |
| 12/25/2008 | US20080315705 Rotating electric machine, winding machine, and rotating electric machine system |
| 12/25/2008 | US20080315587 Pyramid electric generator |
| 12/24/2008 | EP2005562A1 Generator and magnetic flux conducting unit |
| 12/24/2008 | EP2005561A2 Drive and evaluation unit |
| 12/24/2008 | EP1201020B1 Motor assembly for power tools |
| 12/24/2008 | DE112006003155T5 Anker in einer rotierenden elektrischen Vorrichtung und Verfahren zu seiner Herstellung Anchor in a rotary electric device, and method for its preparation |
| 12/24/2008 | CN201171179Y Fourth order DC electric machine for offset electrical brush |
| 12/24/2008 | CN101330242A Axial gap type eccentric rotor and axial gap type coreless vibrating motor using said rotor |
| 12/18/2008 | WO2008152641A2 Magnetic induction devices and methods for producing them |
| 12/18/2008 | US20080309296 Regenerative static excitation system for superconducting rotor |
| 12/18/2008 | DE102007027093A1 Direct current type multi phase rotating field motor, has multiple poles with fixed multi-strand coil system assigned to stator, which produces rotating field for taking along rotor by temporally displaced electrical supply to coil strands |
| 12/17/2008 | CN201167275Y Disc type motor with a stop device |
| 12/16/2008 | US7466044 Electro-magnetic circular engine |
| 12/16/2008 | US7464455 Method for forming an armature for an electric motor |
| 12/11/2008 | WO2008149603A1 Small motor of polygonal external shape |
| 12/10/2008 | CN101322304A Rechargeable vacuum with reduced AC voltage |
| 12/10/2008 | CN101320933A DC electric generator |
| 12/03/2008 | EP1997215A1 Electrical machine |
| 12/03/2008 | CN201160253Y Permanent-magnet DC electric machine with endless screw on motor shaft |
| 12/02/2008 | US7459819 Electric motor and brush retaining assembly |
| 11/27/2008 | WO2008143893A1 System and method for controlling an electromagnetic field generator |
| 11/26/2008 | CN201156682Y Power tool with motor having multiple stators |
| 11/25/2008 | US7456538 Reaction balanced rotary drive mechanism |
| 11/20/2008 | DE102008022951A1 Kurzschlusselement, Kommutator, Anker und Verfahren für die Herstellung eines Kurzschlusselements Shorting member, commutator and armature process for the production of a short-circuit element |
| 11/19/2008 | CN101309023A Rotor structure integrating electromotion and electricity generation in DC electric machine |
| 11/19/2008 | CN100435455C Series excitation type motor |
| 11/19/2008 | CN100435452C Motor-driven tool |
| 11/18/2008 | US7453175 Brushless motor |
| 11/13/2008 | WO2008051218B1 Permanent magnet reluctance machine and controller for using the same with a system |
| 11/13/2008 | US20080278015 Actuator Having An Electric Actuating Motor And Controllable Friction Clutch Having Such An Actuator |
| 11/11/2008 | US7449810 Electric motor and electric tool having the motor |
| 11/06/2008 | US20080275624 Method and apparatus to control engine restart for a hybrid powertrain system |
| 11/06/2008 | US20080272668 Three-phase DC motor |
| 11/05/2008 | CN201146440Y Electromagnetic compatibility permanent magnetic DC motor |
| 11/05/2008 | CN100431243C Electric motor having foil-shaped substrate with tracks with varying width |
| 11/05/2008 | CN100430728C Method for testing speed of electric machine |
| 10/29/2008 | EP1986312A1 Planetary geared motor and dynamo |
| 10/29/2008 | EP1985001A1 Displacement drive of a motor vehicle |
| 10/29/2008 | CN201142625Y Multi-layer stator motor |
| 10/29/2008 | CN101297464A Armature in rotary electric device and its manufacturing method |
| 10/29/2008 | CN101295906A Side sensing type permanent magnetic DC motor |
| 10/23/2008 | WO2008126834A1 Miniature motor, and its manufacturing method |
| 10/22/2008 | EP1982401A1 Electric motor |
| 10/22/2008 | CN201138777Y DC electric machine with brush in seam |
| 10/22/2008 | CN101291094A Permanent-magnet electric motor |
| 10/22/2008 | CN100428580C Integral brush and vibration motor having the same |
| 10/21/2008 | US7439698 Electric motor system |
| 10/15/2008 | CN201134738Y Permanent-magnet DC electric machine |
| 10/15/2008 | CN201134605Y Hollow motor of high efficiency, low inertia and long life |
| 10/15/2008 | CN101286669A DC series excitation traction motor with equal torque and double output shaft |
| 10/15/2008 | CN100426634C Motor |
| 10/14/2008 | US7436139 Phase advance angle optimization for brushless motor control |
| 10/09/2008 | US20080247889 Refrigeration device with improved DC motor |
| 10/09/2008 | US20080246360 Direct current motor |
| 10/09/2008 | DE212007000029U1 Gleichstrommotor mit Dual-Kommutatorlamellensatz und wahlweise in Reihe und parallel geschalteten Wicklungen DC motor with dual Kommutatorlamellensatz and optionally in series and in parallel windings |
| 10/08/2008 | CN201130898Y DC motor for vertical magnetic field |
| 10/08/2008 | CN101283500A Anisotropic bond magnet and DC motor employing it |
| 10/08/2008 | CN100424972C DC whirler and manufacturing method therof |
| 10/08/2008 | CN100424969C Stator with built-in drive circuit and axial gap brushless motor having the same |
| 10/07/2008 | US7432704 Inductor-type resolver |