Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices
Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091)
10/1998
10/21/1998CN1196600A Compressor
10/20/1998US5825901 Rotary low-frequency sound reproducing apparatus and method
10/20/1998US5825112 Doubly salient motor with stationary permanent magnets
10/20/1998US5825108 Brushless electric motor, particularly for direct driving of a washing machine
10/20/1998US5822839 Method for making a micromotor in a ceramic substrate
10/15/1998WO1998029938A3 A high performance electric motor
10/14/1998CN1195917A Apparatus for sensing position of switched reluctance motor
10/14/1998CN1195916A Sensorless brushless DC motor
10/14/1998CN1195915A Stepless variable speed AC motor
10/13/1998US5821710 Brushless motor having permanent magnets
10/13/1998US5821660 Brushless direct current motor having adjustable motor characteristics
10/13/1998US5821654 Bearing support for cylindrical rotating shaft bearing
10/13/1998US5821647 Spindle motor
10/08/1998WO1998044619A1 Method for producing a micromotor
10/08/1998WO1998043689A1 Intracardiac pump device
10/08/1998WO1998043688A1 Intracardiac blood pump
10/08/1998DE19713528A1 Disc storage apparatus with direct drive
10/08/1998CA2256432A1 Intracardiac pump device
10/08/1998CA2256427A1 Intracardiac blood pump
10/08/1998CA2256423A1 Method for producing a micromotor
10/07/1998EP0869601A2 Motor arrangement
10/06/1998US5818140 Synchronous reluctance electrical motor having a low torque-ripple design
10/06/1998US5818139 Brushless DC motor
10/01/1998DE19811543A1 Brushless electric motor for vehicle air-conditioning fan
09/1998
09/30/1998EP0867226A2 Laboratory centrifuge with electric motor
09/30/1998CN1194735A 电动机 Electric motor
09/29/1998US5815089 Device for transmitting signals from position detector and method of such signal transmission
09/29/1998US5814914 Electric motor or generator
09/29/1998US5814913 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
09/29/1998US5813823 Articulated arm transfer device
09/24/1998WO1998042063A1 Dc motor actuator to create radial force
09/24/1998WO1998041467A1 Winding device for elevator
09/23/1998EP0866547A1 Electronic commutation of the winding of a reluctance motor
09/22/1998US5811905 Doubly-fed switched reluctance machine
09/22/1998US5811904 Permanent magnet dynamo electric machine
09/22/1998US5809809 Drive device for a front-loading washing machine
09/15/1998US5808390 Brushless DC motor
09/15/1998US5808389 Apparatus and method for starting a single-phase variable reluctance motor
09/15/1998CA2102283C Sensor motor
09/11/1998WO1998039836A1 Electronically switched d.c. motor
09/11/1998WO1998039833A1 Brushless direct current motor having adjustable motor characteristics
09/11/1998CA2282752A1 Brushless direct current motor having adjustable motor characteristics
09/08/1998US5804904 Brushless DC motor and a method of generation power therewith
09/08/1998US5804896 High speed spindle motor and apparatus equipped with high speed spindle motor
09/08/1998US5804895 Miniature motor and method for fixing miniature motor to printed circuit board
09/02/1998EP0861185A1 Improvements in electric actuators for vehicle powered steering systems
09/02/1998EP0861184A1 Improvements in electric actuators for vehicle systems
09/01/1998US5801900 Disk storage device, with hub and drive motor rotor features
09/01/1998US5801463 Dynamoelectric machine
08/1998
08/27/1998WO1998037618A2 Rotating machine for use in a pressurized fluid system
08/26/1998EP0859666A2 Apparatus with a plurality of electric-motor driven centrifuges
08/26/1998CN1191640A Self-starting brushless electric motor
08/25/1998US5798887 Apparatus for absorbing stator vibrations in computer storage apparatus
08/25/1998US5798591 Electromagnetic machine with permanent magnet rotor
08/25/1998US5798589 Brushless motor having lubrication system for upper and lower bearings
08/25/1998US5798583 Spindle motor having recessed stator coils
08/19/1998CN2288548Y Motor for driving vehicle
08/18/1998US5796204 Brushless motor with a stator core integral with a holder
08/18/1998US5796200 Brushless motor having an anisotropic driving magnet and an isotropic frequency magnet
08/18/1998US5796195 Electric motor
08/18/1998US5796194 Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor
08/18/1998US5796193 Disk driving motor
08/18/1998US5796192 Energy-saving electric drive for small vehicles
08/13/1998WO1998035428A1 Brushless dc motor control
08/12/1998EP0857135A1 Electrical power-assisted steering systems
08/12/1998CN1190500A Motor and process for producing the same
08/12/1998CN1190282A Method for controlling circuit of sensorless brushless DC motor
08/11/1998US5793178 Synchronous permanent-magnet electric motor and vehicle driven by such a motor
08/11/1998US5793139 Electric motor having stator's salient poles of the stator slightly shifted from salient poles of the rotor
08/11/1998US5793135 Flat type brushless motor
08/06/1998WO1998034332A1 Dynamo-electric machines and control and operating system for the same
08/06/1998WO1998015049A3 Reduced noise reluctance machine
08/06/1998CA2279337A1 Dynamo-electric machines and control and operating system for the same
08/05/1998EP0856666A1 Liquid delivery device, method of controlling such liquid delivery device, and liquid delivery pump
08/04/1998US5789841 Axial air gap brushless motor with layered disk stator
08/04/1998US5789834 Spindle motor
08/04/1998CA2145262C Flux controlled permanent magnet dynamo-electric machine
08/04/1998CA2131336C Magnetic rotating apparatus
07/1998
07/30/1998WO1998033260A1 Improvements in high speed electric motors
07/28/1998US5786673 Electric motor
07/28/1998US5786646 Method and apparatus for aligning a rotor position transducer
07/23/1998WO1998032210A1 High-power, low-voltage axial air-gap electrical machine having a compact stator
07/23/1998DE19800234A1 Brushless motor e.g.for vehicle air-conditioner fan
07/22/1998EP0853735A1 Rotodynamic machine for conveying a fluid
07/21/1998US5783940 Encoder circuit for determining the position of a rotor of a multiphase motor
07/21/1998US5783890 Imprinted geometric magnetic anticog permanent magnet motor
07/21/1998US5783884 Floppy disk driving motor
07/21/1998US5783881 Brushless electric motor with heat sink and mounting arrangement thereof
07/15/1998CN2286354Y Electric wheel hub driven by brushless DC electrical machine
07/09/1998WO1998029938A2 A high performance electric motor
07/07/1998US5777416 Switched reluctance motor with low mutual inductance between phases
07/07/1998US5777415 Two-phase unipolar drive type brushless DC motor
07/07/1998US5774976 Apparatus for making permanent magnet rotor
07/01/1998EP0851570A1 A device for controlling a synchronous electric motor with a permanent magnet rotor
07/01/1998CN2285537Y 永磁电机 Permanent magnet motors
06/1998
06/30/1998US5774302 Spin drive motor for a disk storage device
06/30/1998US5773941 Two-wire brushless DC motor control system
06/30/1998US5773908 Single phase motor with positive torque parking positions
06/25/1998WO1998027638A1 Multi-pole ring magnet for rotating electrical machines
06/23/1998US5770933 Blower motor with adjustable timing
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