Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors
Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
12/2007
12/20/2007US20070290645 Method, system, and apparatus for controlling an electric motor
12/19/2007EP1867032A1 Electrical machine having symmetrical coil sections
12/19/2007CN200994100Y Miniature DC motor
12/19/2007CN101091301A Method for the production of a rotor winding for an electric machine, and electric machine comprising a corresponding rotor winding
12/13/2007WO2007143570A2 Method, system, amd apparatus for controlling an electric motor
12/13/2007CA2654209A1 Method, system, and apparatus for controlling an electric motor
12/12/2007CN100355183C Stator assembly with covering molded piece
12/11/2007US7305752 Method for fabricating an inductive coil
12/06/2007WO2007137989A1 Stator of a dc machine with cuboidal permanent magnets
12/06/2007WO2007115907A3 Drive and evaluation unit
12/06/2007US20070278905 Piezoelectric actuator and liquid-droplet jetting head
12/06/2007US20070278889 Rotating Machine and Gas Turbine System
12/06/2007CA2653318A1 Efficient high-speed electric device using low-loss materials
12/05/2007CN200987113Y Photoelectric electromagnet commutator for permanent-magnet electric motor
12/05/2007CN101083422A Application of single brushless commutator in reluctance motor and DC permanent-magnet rotor motor
12/05/2007CN101083420A Fuel pump, motor device for the same, and method for manufacturing the same
12/05/2007CN101083413A Waterproof structure of motor for vehicular air-conditioning
12/04/2007US7302750 Method of manufacturing armature of rotary electric machine
11/2007
11/30/2007CA2549194A1 An electricity generator in which the stator rotates in a direction opposite to the rotor
11/28/2007CN200983525Y Rear cover assembly of highly stable DC electromotor
11/28/2007CN101078387A Motor and fuel pump
11/28/2007CN100352145C Electric brush motor for electric power turning device
11/28/2007CN100351044C Hand-held machine tool with device for clockwise and anti-clockwise commutation of an electromotor
11/27/2007US7301310 Excitation controlled synchronous permanent magnet machine
11/21/2007EP1856787A2 Power tools with motor having a multi-piece stator
11/21/2007CN200980036Y A magnetic motor
11/21/2007CN200980035Y An additional pole driving the motor
11/21/2007CN101075766A Brushless DC motor of internal and external double-stator and double-salient pole
11/21/2007CN100350823C Vibrator holder
11/21/2007CN100350822C Vibrator holder
11/21/2007CN100350722C Motor having rotation sensor and manufacturing method thereof
11/20/2007US7298065 Brush assembly
11/20/2007US7298063 Quantum disk armature electric generator
11/20/2007US7298062 Motor, control circuit member and manufacturing method of motor
11/15/2007US20070262673 Bell-armature coil
11/15/2007US20070262670 Method and apparatus for compensating a line synchronous generator
11/15/2007US20070262662 Cooled conductor coil for an electric machine and method
11/14/2007EP1855372A1 Bell-type armature coil
11/14/2007EP1193843B1 Commutator motor
11/14/2007CN200976523Y Flat type iron core-free vibration motor
11/14/2007CN101073193A Method for controlling an electric motor to reduce emi
11/13/2007US7294982 Motor drive device and integrated circuit device for motor driving
11/13/2007CA2386469C High efficiency motor for low velocity, high volume fan and other applications
11/08/2007WO2007041387A3 Electric motor with adjustable timing
11/08/2007US20070257631 Electromotive Power Steering
11/08/2007US20070257572 Armature, Rotating Electric Machine, Dc Motor, and Brushless Motor
11/07/2007CN200973052Y DC motor capable of automatic compensating speed
11/07/2007CN200973050Y Permanent-magnet brushless DC engine with generating stator coil
11/07/2007CN200970702Y Handle type multifunction concrete floor polishing machine
11/07/2007CN100347934C Coin type vibrating motor
11/01/2007WO2007122767A1 Dc motor
10/2007
10/31/2007CN101064462A High starting performance permanent-magnetic DC motor
10/30/2007US7288922 Control apparatus for automotive alternator having capability to accurately detect temperature of alternator
10/25/2007US20070247014 Communicator Motor Having Number of Field Winding Groups
10/23/2007US7285889 Pulsed-inertial electric motor
10/23/2007US7284314 Method of manufacturing rotor of rotary electric machine
10/18/2007WO2007115907A2 Drive and evaluation unit
10/18/2007US20070241628 Permanent magnet dynamoelectric machine with axially displaceable permanent magnet rotor assembly
10/17/2007CN101056032A Permanent magnetic DC motor
10/17/2007CN101056018A Vibration motor
10/17/2007CN100344052C 整流子电动机 Commutator motors
10/17/2007CN100344051C Driving-felly motor
10/17/2007CN100344048C Flat-type vibration motor
10/11/2007DE202006008652U1 Antriebseinheit Drive unit
10/11/2007DE102006013848A1 Electric motor e.g. gearless electric motor, for adjusting vehicle seat, has common shaft provided in housing, where armature windings and commutators are fitted on common shaft such that windings are provided separately in axial direction
10/11/2007DE102006000161A1 Kohlehaltervorrichtung Carbon holder device
10/10/2007EP1843452A1 Brush holder device
10/10/2007CN200959564Y DC permanent-magnetic two-purpose apparatus
10/10/2007CN101051782A Permanent magnetic DC motor
10/09/2007US7279817 Motor and method of manufacturing the same
10/04/2007US20070228865 Electrical Machine Having Symmetrical Coil Sections
10/04/2007US20070228863 Electric machine winding arrangement
10/04/2007US20070228848 Stator for an electrical machine
10/03/2007EP1841048A2 Wave winding armature
10/03/2007CN200956540Y Motor capable of two-way cutting magnetic line
10/03/2007CN101048832A Permanent magnet for motor, motor housing and motor device
10/02/2007US7276827 Motorized reduction gear for functional equipment of a vehicle
09/2007
09/27/2007US20070222332 Winding Support for an Electrical Machine
09/27/2007US20070222321 Stator winding rod
09/27/2007US20070222316 Electric Machine
09/27/2007US20070222305 Motor
09/27/2007US20070222220 Aircraft engine starter/generator and controller
09/27/2007DE102007010960A1 Motor-Pumpenaggregat Motor-pump unit
09/26/2007CN200953524Y Double-rotor DC differential motor
09/26/2007CN101043171A Current exchange D. C. motor
09/26/2007CN101043168A Method for adjusting electromechanical energy conversion value of permanent-magnet DC motor
09/25/2007US7274126 Motor armature having distributed windings for reducing arcing
09/25/2007US7274124 Electric generator
09/20/2007WO2007104976A1 Generator and magnetic flux conducting unit
09/20/2007WO2007104591A1 Electrical machine
09/20/2007US20070216255 Electric machine
09/20/2007US20070216241 Electric Motor
09/20/2007DE102007010892A1 Automaschinenstarter mit Vorsprüngen an einer Kommutatoroberfläche Car engine starter with projections on a commutator
09/20/2007DE102006011550A1 Elektrische Maschine Electric machine
09/20/2007DE102006011547A1 Elektrische Maschine Electric machine
09/20/2007DE102006000125A1 Brush holder device for hand tool device, has brush holder that is held in operating positions opposite to fixed contact unit by locking unit, where locking unit is formed by fixed contact unit and switching contact unit
09/20/2007CA2644769A1 Generator and magnetic flux conducting unit
09/19/2007EP1834398A1 Method for the production of a rotor winding for an electric machine, and electric machine comprising a corresponding rotor winding
09/19/2007CN101040420A Commutator motor and method of manufacturing the same
09/19/2007CN100338848C Motor
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