| Patents for H02K 13 - Structural associations of current collectors with motors or generators, e.g. brush mounting plates, connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation (4,847) |
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| 06/09/2009 | US7545071 Brush holder device for use in small-size motor |
| 06/04/2009 | WO2009068609A1 Electrical drive machine having a stator and a rotor |
| 06/04/2009 | DE102007058912A1 Elektrische Antriebsmaschine mit einem Stator und einem Rotor Electric rotating machine having a stator and a rotor |
| 06/04/2009 | DE102007058911A1 Elektrische Maschine Electric machine |
| 06/04/2009 | DE10159761B4 Dynamo-elektrische Maschine mit Kommutator und Herstellungsverfahren dafür Dynamo-electric machine with commutator and production method thereof |
| 06/02/2009 | US7541712 Fuel pump |
| 05/28/2009 | DE202008000822U1 Kommutatoranordnung Commutator |
| 05/28/2009 | DE102007056326A1 Gleichstrommaschine DC machine |
| 05/28/2009 | DE102007056325A1 Gleichstrommaschine DC machine |
| 05/27/2009 | CN100492819C Winding coil protector for electric motor |
| 05/26/2009 | US7537065 Angle grinder |
| 05/26/2009 | CA2369011C Armature for an electromotive device |
| 05/22/2009 | WO2009037455A3 Commutators |
| 05/14/2009 | DE102007053032A1 Commutator for use in electric motor of e.g. circular saw, has carrier body for receiving shaft, winding wire fastener provided on front side, and adjacent winding wires spaced in intermediate area by barrier |
| 05/14/2009 | DE102007053031A1 Commutator for electric motor and electric machine tool, comprises support body formed with exterior for receiving shaft, where winding wire is guided from armature winding to face compulsorily contacts beading |
| 05/13/2009 | EP1523800B1 Drum commutator for an electric machine |
| 05/13/2009 | CN201238250Y DC series-excitation motor for electric switcher |
| 05/13/2009 | CA2643500A1 Curvilinear brush retainer and brushes for an electric motor assembly |
| 05/12/2009 | US7531938 Insertable brush holder assembly for electric motor |
| 05/06/2009 | CN201234189Y Miniature DC motor |
| 05/06/2009 | CN101425724A Direct current motor with brush and manufacturing method thereof |
| 05/06/2009 | CN101425722A Interference eliminating circuit for motor with brush |
| 04/30/2009 | DE102007051251A1 Entstörvorrichtung für das Kommutierungssystem eines Gleichstrommotors Interference-suppression apparatus for the commutation of a DC motor |
| 04/29/2009 | EP2053706A2 Electric motor commutator |
| 04/29/2009 | CN201230253Y Motor having water pump regulating apparatus |
| 04/29/2009 | CN101420156A Method for connecting commutator element of motor rotor with copper wire |
| 04/29/2009 | CN101420154A Commutator for electric motor |
| 04/29/2009 | CN100483900C Flat rotor and motor comprising the same |
| 04/23/2009 | US20090101116 Fuel pump |
| 04/22/2009 | CN201226486Y Series dynamo for drum-type washing machine |
| 04/22/2009 | CN101414773A Large-sized DC motor |
| 04/15/2009 | EP2048770A2 Electric motor |
| 04/15/2009 | CN101409480A Arrangement for an electric motor, and electric motor |
| 04/15/2009 | CN100479303C Vibration motor having brushes with different osculatory tracks |
| 04/15/2009 | CN100479300C Rotary motor |
| 04/09/2009 | US20090091207 DC-Motor |
| 04/09/2009 | DE102007044399A1 Vierpoliger elektromotorischer Antrieb mit einem Hammerbürstenhaltersystem Four-pole electric motor drive with a hammer brush holder system |
| 04/08/2009 | EP0895668B1 Rotor and method for producing same |
| 04/08/2009 | CN201219167Y Collector ring |
| 04/08/2009 | CN100477456C Flat type vibration motor |
| 04/08/2009 | CN100477415C Method for production of a multi-layer carbon brush |
| 04/07/2009 | US7514836 Insulated carbon brush guide |
| 04/07/2009 | CA2414104C Electrical slip ring apparatus having multiple spaced apart support structures |
| 04/01/2009 | CN201215921Y Novel connection construction for external electric brush of electric tool |
| 04/01/2009 | CN101401281A Electrical machine |
| 03/31/2009 | US7511397 Brush system for an electromotive drive unit |
| 03/25/2009 | CN100472914C Flat type vibration motor and its brush |
| 03/18/2009 | CN201210640Y Dual feeding asynchronous wind power generator |
| 03/17/2009 | CA2356948C Flexible commutator riser |
| 03/11/2009 | CN101385222A Carbon commutator and process for producing the same |
| 03/04/2009 | EP1177607B1 Electric machine |
| 03/04/2009 | CN201204522Y Improved minitype DC motor |
| 03/04/2009 | CN201204491Y Mixed dynamic print motor for electric vehicle and autobicycle |
| 03/04/2009 | CN101379681A Motor, electric bolwer and electric duster |
| 03/04/2009 | CN101379680A Method for manufacturing metal-graphite brush material for motor |
| 03/04/2009 | CN101378214A Electric motor |
| 03/04/2009 | CN101378211A Rotary motor and method for manufacturing electric brush thereof |
| 03/03/2009 | US7498712 Grain orientation control through hot pressing techniques |
| 02/25/2009 | CN201199644Y Vibrating motor for mobile phone |
| 02/25/2009 | CN100464482C Direct current motor |
| 02/19/2009 | US20090045694 Microfiber high current conduction device |
| 02/19/2009 | DE112006003837T5 Gleichstrommotor DC motor |
| 02/11/2009 | EP1719216A4 Armature with unitary coil and commutator |
| 02/11/2009 | CN201194363Y Integrated two-way current guiding brush carrier |
| 02/11/2009 | CN101364761A Self-driving type motor started by external electricity |
| 02/11/2009 | CN100461588C Motor |
| 02/05/2009 | US20090033171 Continuous direct current generator |
| 02/04/2009 | CN201191784Y Field-winding for automobile generator rotor |
| 02/04/2009 | CN101359856A Electric dust collector |
| 02/04/2009 | CN101358305A Commutator material and brush material for DC minimotor, clad composite material, and dc minimotor using the same |
| 02/04/2009 | CN100457936C Commutator and brush materials, clad composite material, and small electric DC motor |
| 02/03/2009 | US7485998 Commutator |
| 01/29/2009 | US20090029184 Process for manufacturing a sliding contact piece for medium to high current densities |
| 01/29/2009 | DE102007034613A1 Elektrische Maschine mit einem Kommutator, sowie Verfahren zum Betreiben der elektrischen Maschine An electrical machine with a commutator, and to methods of operating the electric machine |
| 01/28/2009 | EP2019478A2 Electric motors |
| 01/28/2009 | EP2019460A2 Rotary electrical slip ring assembly |
| 01/28/2009 | CN101356710A Mold commutator, its manufacturing method, and motor using them |
| 01/28/2009 | CN101355275A Electric motors |
| 01/28/2009 | CN101355274A Connection structure and method of connecting field coil and lead wires in vehicle alternator |
| 01/28/2009 | CN100456573C Rotary electric machine and method for mounting electric brush unit |
| 01/28/2009 | CN100455245C Overloading protection device for motor lin cleaner |
| 01/21/2009 | EP2016651A1 Commutator rotor of an electrical machine and procedure for its manufacture |
| 01/21/2009 | CN201185374Y Fixed device for motor brush |
| 01/15/2009 | US20090015083 Shaft grounding thread structure of an electric motor |
| 01/14/2009 | CN201181895Y DC motor |
| 01/14/2009 | CN201181887Y Rotor for DC motor |
| 01/07/2009 | CN201178360Y Carbon brush for enhanced synchronous motor |
| 01/07/2009 | CN201178359Y Hanging ring brush carrier electricity collecting equipment of wind power generator |
| 01/02/2009 | DE10153574B4 Elektromaschine Electric machine |
| 01/01/2009 | US20090001842 Brush holder apparatus, brush assembly, and method |
| 01/01/2009 | US20090001832 Commutator, direct-current motor, and method for manufacturing commutator |
| 01/01/2009 | US20090001829 Electric motor with brush |
| 12/31/2008 | WO2009003021A1 Reduced-complexity self-bearing brushless dc motor |
| 12/31/2008 | EP1698040A4 Switched dc electrical machine |
| 12/31/2008 | CN201174650Y Electromagnetic engine |
| 12/31/2008 | CN101335474A Vibration motor |
| 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 |
| 12/18/2008 | WO2008152874A1 Electric motor and seatbelt device with the same |