Patents
Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091)
06/1998
06/23/1998US5770908 Motor having variable air gap
06/23/1998US5770902 To facilitate interconnection of control/power components
06/18/1998WO1998026495A2 Motor/generator
06/17/1998EP0848482A2 Brushless DC motors
06/17/1998CN2284469Y Energy saving a. c brushless motor
06/17/1998CN1185052A Brush-less electric motor, and the mfg. method therefor
06/10/1998EP0847131A1 Motor with external rotor and method for assembly
06/10/1998EP0846614A1 Moving apparatus with drive power assisting device and movement controlling method
06/10/1998CN1184358A 电机 Motor
06/03/1998EP0845106A1 Electric motor with tachometer signal generator
06/02/1998US5761000 Data storage devices having a slim-type hard disk drive suitable for use in portable computers
06/02/1998US5760707 Method of transmitting multiple serial signals
06/02/1998US5760521 Motor having gear for transmitting torque and substrate with cut-out section between coils
06/02/1998US5760519 Stator for electric machine and lamination thereof
06/02/1998US5760512 Brushless motor
06/02/1998US5760504 Disk drive spindle motor with radial gap and field generating coils interconnected by ring flux guide
05/1998
05/28/1998WO1998023024A1 Electronically switched two phases reluctance machine
05/26/1998US5757100 Method & apparatus for reducing cogging torque in an electric motor
05/26/1998US5755302 Drive arrangement for a hybrid vehicle
05/20/1998CN2282292Y Brush less DC motor
05/20/1998CN1182305A Motor driving system for driving brushless motor
05/20/1998CN1038462C Magnetic motor construction
05/19/1998US5754326 Optical deflector
05/19/1998US5754024 Control device for switched reluctance motor
05/19/1998US5753991 Multiphase brushless AC electric machine
05/13/1998EP0841739A1 Brushless DC motor and method for driving the same
05/13/1998EP0841738A1 Motor
05/13/1998EP0840815A1 Motorized yarn twisting head
05/12/1998USRE35792 Disk storage drive
05/12/1998US5751125 Artificial heart with sensorless motor
05/12/1998US5751089 Brushless DC motors/generators
05/12/1998US5751084 Air discharge guiding arrangement for preventing the scattering of foreign matter of a spindle motor
05/12/1998CA2144804C Variable speed direct drive drill press/router
05/12/1998CA2003025C Polyphase electronically commutated reluctance motor
05/07/1998WO1998019386A1 Two-wire brushless dc motor control system
05/07/1998WO1998019382A1 Process for insulating the stator of an electronically switched d.c. motor
05/06/1998EP0840429A2 D.C. motor winding configuration
05/05/1998US5747962 Method and apparatus for increasing the starting torque of a two-phase switched reluctance motor
05/05/1998US5747912 Switched reluctance motor
05/05/1998US5747910 Brushless motor
04/1998
04/29/1998CN2280380Y Mechanism and electricity integrated pulsation type motor
04/29/1998CN1180260A Drive device for front-loading washing machine
04/28/1998US5744894 Brushless motor having a field magnet, a portion of which is used for detecting the rotor's position
04/28/1998US5744893 Brushless motor stator design
04/28/1998US5744888 Multiphase and multipole electrical machine
04/28/1998US5744886 Capstan motor assembly and assembling method thereof
04/21/1998US5742450 Disk drive spindle motor with radial gap and field generating coils interconnected by ring flux guide
04/15/1998EP0694203B1 Electric motor, methods for controlling and assembling same
04/14/1998US5739620 Optimum groove/pole ratio for brushless motor stator profile
04/14/1998US5739614 Two-phase unipolar driving brushless DC motor
04/14/1998US5739613 Flat three-phase reluctance type motor
04/14/1998US5739603 Electrical connecting element for electric motor and electric motor equipped with this element
04/14/1998US5739602 Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion
04/09/1998WO1998015051A1 Method and apparatus for aligning a rotor position transducer
04/09/1998WO1998015049A2 Reduced noise reluctance machine
04/09/1998WO1997049440A3 Magnetically suspended miniature fluid pump and method of making the same
04/09/1998DE19743321A1 Switched reluctance motor e.g. for electric- or hybrid- vehicles
04/09/1998DE19743314A1 Brushless motor with permanent magnet rotor e.g. for powering motor vehicle
04/09/1998DE19738344A1 Drive circuit for three=phase brushless DC motor e.g. for video cassette recorder or floppy disc drive
04/07/1998USRE35763 Permanent magnet excited electric motor
04/01/1998CN1178037A Motor casing and method for manufacturing the same
03/1998
03/31/1998US5734241 Brake control system of a motor
03/25/1998CN1177425A Electric machine
03/24/1998US5731649 Electric motor or generator
03/24/1998US5731645 Integrated motor/generator/flywheel utilizing a solid steel rotor
03/19/1998WO1998010971A1 Electrical power-assisted steering systems
03/18/1998EP0829130A1 Switched reluctance motor with indirect position sensing and magnetic brake
03/18/1998EP0829128A1 A self-starting brushless electric motor
03/12/1998WO1998010504A1 Methods and apparatus for improved dc motors and magnetic clutches
03/10/1998CA2101662C Permanent magnet brushless torque actuator
03/03/1998US5723933 Electronically commutated DC machine
03/03/1998US5723931 Multiple pole, multiple phase, permanent magnet motor and method for winding
03/03/1998US5723930 Stators incorporating blank winding slots for a permanent magnet brushless motor and method of winding thereof
03/03/1998US5723927 Dynamic pressure bearing spindle motor
03/03/1998US5723858 Position encoder with fault indicator
02/1998
02/26/1998WO1998008291A1 Permanent magnet direct current (pmdc) machine with integral reconfigurable winding control
02/26/1998CA2262616A1 Permanent magnet direct current (pmdc) machine with integral reconfigurable winding control
02/24/1998US5721460 Capstan motor
02/24/1998US5720590 Articulated arm transfer device
02/18/1998CN1037478C Single phase electropically commutated motor system and method
02/17/1998US5719456 Variable reluctance electric motor
02/17/1998US5719453 2-on coil arrangement for a switched reluctance motor
02/10/1998US5717269 Reluctance machine with auxiliary flux path
02/10/1998US5717268 Electric motor with tachometer signal generator
02/04/1998EP0822640A1 Partial discharge tight low voltage isolation for electric machine windings
02/03/1998US5714811 Rotor position detecting apparatus for a brushless motor
01/1998
01/29/1998WO1997037423A3 Turbomachine, especially for a domestic appliance
01/29/1998DE3153783C2 Brushless DC motor for record player turntable drive
01/28/1998CN2273232Y Permanent-magnetic DC brushless constant force moment electric wire-storing machine on wire cutting machine
01/22/1998WO1998002952A1 Dc motor
01/22/1998DE19627854A1 Gleichstrommotor DC motor
01/21/1998EP0820140A2 Rotor angular position control of single phase permanent magnet motor
01/21/1998EP0819330A1 Rotary machine with an electromagnetic rotary drive
01/21/1998CN2273074Y Super-thin small heat-sinking motor for fan
01/20/1998US5710493 Circuit and method for alternating current motor constructions
01/20/1998US5710474 Brushless DC motor
01/20/1998US5710466 Fully integrated magnetic micromotors and methods for their fabrication
01/14/1998CN1170265A Spindle motor
01/14/1998CN1037050C Magnetic rotating apparatus
01/08/1998WO1998000902A1 Electronically commutated motor for direct drive of washing machine drum
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