Patents
Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091)
02/2005
02/09/2005CN1578060A Rotational driving device
02/09/2005CN1578058A Motor and motor manufacturing apparatus
02/09/2005CN1576797A Encoder system and method of assembly of such a system
02/08/2005US6853105 Permanent magnet motor
02/08/2005US6853102 Turntable-integrated spindle motor
02/03/2005WO2005011098A2 Highly efficient permanent magnet brushless motor
02/03/2005US20050023927 Brushless DC motor and method of manufacturing brushless DC motor
02/03/2005US20050023925 Motor and motor manufacturing apparatus
02/03/2005US20050023919 Permanent magnet motor
02/03/2005DE3546933B4 Recording disc drive system - has inside out type DC motor with discs supported on external rotor
02/03/2005DE10331505A1 Sensor arrangement for electrical angle determination of especially permanent magnet excited synchronous machine for vehicle, has sensor arranged in vicinity of permanent magnets
02/03/2005DE10329931A1 Planar direct drive unit with position measuring system for machine tool has first and second active drive modules holding workpieces connected via measuring system
02/03/2005CA2532688A1 Highly efficient permanent magnet brushless motor
02/02/2005EP1503486A1 Motor and motor manufacturing apparatus
02/02/2005EP1502346A2 Bldc motor subassembly
02/02/2005CN1574563A DC brushless motor
02/02/2005CN1574557A Drive control system
02/01/2005US6850863 Method and a computer for determining the stopped angular position of a rotor, a control unit, and a system incorporating the computer
02/01/2005US6849973 Stepping motor
02/01/2005US6848147 Internally driven agitator
01/2005
01/27/2005WO2005008880A1 Generator
01/27/2005WO2005008864A1 Steering device for vehicle
01/27/2005WO2005008862A1 Thin hybrid magnetization type ring magnet, yoke-equipped thin hybrid magnetization type ring magnet, and brush-less motor
01/27/2005US20050017591 Highly efficient permanent magnet brushless motor
01/27/2005US20050017590 Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same
01/27/2005US20050017589 Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same
01/27/2005US20050016226 Washing machine
01/26/2005EP1501172A2 Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same
01/26/2005EP1501168A2 Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same
01/26/2005CN1571251A Brushless exciting motor
01/26/2005CN1186227C Vehicle with auxiliary power
01/25/2005US6847745 Winding arrangement with a winding body and an optical wave guide introduced therein or therethrough
01/25/2005US6847177 Apparatus and method for determining rotor lamination shifts in an electric motor
01/25/2005US6847149 Brushless motor
01/25/2005US6847144 Permanent magnet rotor assembly for interior permanent magnet electric motor
01/20/2005WO2005006518A2 Ventilator for an alternator - starter
01/20/2005US20050012475 Drive control system
01/20/2005US20050012420 Direct drive high torque compact synchronous motor
01/20/2005US20050012419 Permanent magnetic rotating machine
01/20/2005US20050012407 Rotor and motor having the same
01/20/2005DE10329150A1 Elektrische Maschine Electric machine
01/20/2005DE102004030831A1 Permanentmagnet-Rotationsmaschine Permanent magnet rotary machine
01/19/2005EP1499002A2 Encoder system and method of assembly of such a system
01/19/2005EP1497904A1 Electric drive system for a vehicle
01/19/2005EP1497903A1 Drive arrangement with a fixed bearing
01/19/2005CN1567701A Tandem type biphase full wave brushless DC motor
01/19/2005CN1567700A Parallel type biphase full wave brushless DC motor
01/19/2005CN1567699A Biphase half-wave brushless DC motor having double induction driven element
01/19/2005CN1567678A Motor using local magnetic saturation effect of stator to improve starting dead point
01/19/2005CN1567676A Noiseproof structure of brushless DC motor of full-automatic laundry machine
01/13/2005WO2005004313A1 Planar direct drive unit comprising a position measuring system
01/13/2005US20050007043 Brushless dc motor and circuit for controlling the same
01/13/2005US20050006965 Rotational driving device
01/13/2005DE102004020025A1 Leistungsverbesserung eines integrierten Starter und Drehstromgenerators durch Ändern der Statorwicklungsschaltung Performance improvement of an integrated starter and alternator by changing the Statorwicklungsschaltung
01/12/2005CN1564454A Torque pulsating reducing method of 8/6 polar double salient-pole dynamo and 8/6 polar double salient-pole dynamo
01/12/2005CN1564432A Permanent-magnet dynamo having cross magnetic field
01/12/2005CN1564431A Switching reluctance machine having concealed mobile stator magnetic pole and equial stator magnetic pole
01/11/2005US6841958 Device for controlling an electronically switched motor comprising angularly distributed singularities
01/11/2005US6841957 Low profile motor
01/11/2005US6841911 Machine tool
01/06/2005US20050001504 Motor of rotor with built-in permanent magnet
01/06/2005US20050001502 DC brushless motor
01/06/2005US20050001497 Motor with frequency generator and OA equipment using same
01/06/2005US20050001493 Electric machine
01/05/2005DE202004016534U1 Elektromotor Electric motor
01/05/2005DE10327699A1 Electrical machine winding support e.g. for automobile electric window or windscreen wiper motor, has alternating narrow and wide slots between adjacent pole teeth of winding support
01/05/2005DE10326167A1 Permanentmagneterregter Synchronmotor Permanent-magnet synchronous motor
01/05/2005CN1183650C Polyphase transverse flux motor and its manufacturing method
01/04/2005US6838798 Permanent magnet type rotating electric machine
12/2004
12/30/2004US20040263935 Scanner
12/29/2004EP1492217A2 Linear actuator
12/29/2004EP1492216A1 Motor
12/29/2004EP1492215A1 DC brushless vibration motor
12/29/2004EP1490953A1 Rotary electric motor having concentric annular members
12/29/2004EP1490952A1 Electric motor having magnetically isolated stator and rotor groups
12/29/2004EP1430587A4 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors
12/29/2004EP0923802B1 Permanent magnet direct current (pmdc) machine with integral reconfigurable winding control
12/28/2004US6836044 Permanent magnet type rotary electric device
12/28/2004US6836039 Brushless vibration motor
12/28/2004US6836032 Electromagnetic moving-coil device
12/23/2004US20040256936 Armature of rotary electrical device
12/23/2004US20040256933 Motor and blower fan using same
12/23/2004US20040256930 Flat noncommutator vibration motor
12/23/2004US20040256926 Brushless motor and disk drive including the same
12/22/2004EP1489735A2 Methods and apparatus for a contactless electro-mechanical actuator with coupled electronic motor commutation and output position sensors
12/22/2004EP1489734A2 Drive control system
12/22/2004EP1488497A2 Electric motor and vehicle powered thereby
12/22/2004CN2666025Y Permanent-magnet brushless DC motor
12/22/2004CN1181607C Electric motor with bearing jecket and its assembling method
12/22/2004CN1181605C Brushless motor
12/21/2004USRE38673 Disk storage device having a hub sealing member feature
12/21/2004US6833649 Electric rotary machine
12/16/2004WO2004109894A1 Permanent magnet excited synchronous motor
12/16/2004DE10322463A1 Spaltrohrmotorpumpe mit einem permanentmagnetisch erregten Synchronmotor Canned motor pump having a permanent magnetically excited synchronous motor,
12/16/2004DE102004001151A1 Spindelmotor und Mobilkommunikationssystem mit einem Spindelmotor Spindle motor and mobile communication system with a spindle motor
12/15/2004CN2664275Y Improvement of non carbon brush DC fan
12/15/2004CN2664274Y Split type permanent magnet synchronous motor with embedded position sensor
12/15/2004CN1180421C Recording or reproducing equipment with chip shape information medium unbalance compensator
12/14/2004US6830440 External rotor brushless DC motor
12/09/2004WO2004107537A1 Systems and methods for manufacturing adaptive electric machines
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