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)
01/2001
01/02/2001US6169349 Electromagnet type segmented field DC motor
01/02/2001US6167610 Method of making a rotary motor
12/2000
12/27/2000EP1063755A1 Brushless D.C.motor assembly
12/27/2000EP1063753A1 Electric rotary drive comprising a magnetically suspended rotor
12/27/2000EP1063752A1 Brushless Motor
12/27/2000EP1062718A1 Electric motor or generator
12/26/2000US6166475 Brushless motor and magnetic recording-reproducing apparatus using the same
12/26/2000US6166472 Airgap armature coils and electric machines using same
12/26/2000US6166470 Brushless DC motor
12/20/2000EP1060558A2 Constant-power brushless dc motor
12/20/2000CN1277485A Improved multi-phase main-shaft motor
12/19/2000US6163125 Drive device for a movable part that can be displaced between end positions in a vehicle and method for the production thereof
12/19/2000US6163122 High-efficiency electric motor of electronic commutation type
12/19/2000US6163097 Motor generator including interconnected stators and stator laminations
12/13/2000CN1276643A Brushless DC motor in washer
12/13/2000CN1059520C Outer rotor type brushless DC motor
12/12/2000US6160332 Liquid cooled brushless generator for vehicles
12/07/2000WO2000074218A1 Thin film electric motors and method of manufacture
12/07/2000WO2000074207A1 Thin film electric motors and method of manufacture
12/07/2000WO2000074205A2 Method and circuits for controlling the power of an electronically switched, two-phase reluctance machine
12/05/2000US6157112 Brushless DC motor structure
11/2000
11/30/2000WO2000072427A1 Motor with permanent magnet
11/30/2000DE10016002A1 Rotating magnetic field motor has permanent magnet set offset angle between 0 and 22.5 degrees, 8n rotor poles, 9n stator poles, where n is an integer, and 2 or more blocks of rotor poles
11/30/2000DE10004774A1 Linear motor driver, has screen against magnetic fields of several permanent magnets, and controller board on U-shaped frame that detects magnetic fields generated by magnetic sensor unit
11/29/2000CN1275255A Pump driven by brushless motor
11/29/2000CN1274982A Brushless DC motor for air exchange in air conditioner
11/28/2000US6154013 Electric motor or generator
11/28/2000US6153957 DC brushless machine
11/23/2000DE19955215A1 Multi-phase motor e.g. for DVD or CD-ROM drives, has pole plates with fixed mechanical phase difference, control circuit and two magnetic conduction sets with fixed electrical phase difference
11/22/2000CN1274190A 无刷电动机 Brushless motor
11/21/2000US6148647 Drum type washing machine
11/15/2000EP1052764A1 Electronic device for starting and controlling a synchronous single-phase electric motor of the type comprising a rotor with permanent magnets.
11/08/2000EP1049877A1 Low profile motor
11/08/2000CN1272714A Auxiliary power motor with improved structure
11/08/2000CN1272712A Improved auxiliary power motor driving structure
11/07/2000US6144135 Stator structure for a direct-current fan motor
11/07/2000US6144132 Permanent magnet motor
11/07/2000US6144126 Magnetic disc driving apparatus
11/07/2000US6144124 Thin DC brushless motor having an air gap formed therein
11/02/2000WO2000065338A1 Linearized ultrasound beam alignment servo
11/02/2000EP1048105A1 Electric motor with a rotor rotating around a stator
11/02/2000DE19918461A1 Spindle motor e.g. for fixed disk storage disk, has base disk with an axis arranged with bearing arranged on it
11/01/2000CN2404259Y High-magnetodensity permanent magnet brushless motor
11/01/2000CN1271990A Fixer of circuit board
11/01/2000CN1271989A Brushless efficient DC motor
11/01/2000CN1271988A Actuating electric generator
10/2000
10/31/2000US6140781 Control method and apparatus for driving a head drum assembly of a video cassette recorder
10/31/2000US6140731 Self-starting brushless electric motor
10/31/2000US6139487 Intracardiac pump device
10/26/2000WO2000064036A1 Brushless motor
10/26/2000DE19920048A1 Electromechanical energy converter with a flat structure for applications requiring miniature motors or generators.
10/26/2000DE19918462A1 Spindle motor with bearing seal for hard disk drive comprises disk consisting of permanently elastic adhesive material
10/26/2000DE19917547A1 Miniature DC motor with yoke made of powdered ferromagnetic material
10/25/2000EP1047182A2 Controller for brush-less motors and a conveyor system having the controllers
10/25/2000EP1047175A2 Energy storage flywheel apparatus and journaling details thereof
10/25/2000EP0712544B1 Electromagnetic machine with permanent magnet rotor
10/24/2000US6137204 VR-type resolver
10/24/2000US6137197 Axial flow fan motor with circuit board and housing interlocking structure
10/24/2000US6137196 Motor for driving magnetic disk
10/19/2000WO2000062405A1 Electronically controlled electric motor provided for use in an environment containing solvents
10/19/2000DE19916528A1 Für den Einsatz in einer Lösungsmittel aufweisenden Umgebung vorgesehener, elektronisch gesteuerter Elektromotor For use in a solvent environment having provided electronically controlled electric motor
10/19/2000DE10014626A1 Synchronous motor with control circuit, has rotor drive controller which uses different logic for generating drive signals to rotate rotor in mutually different directions
10/18/2000EP1045506A2 Monitoring system for energy storage flywheel
10/18/2000EP1045503A2 Airgap armature coil for energy storage flywheel apparatus
10/17/2000US6133666 Electric motor with a stator including a central locator
10/17/2000US6133664 Self-starting brushless electric motor
10/17/2000US6133660 Bearing structure for brushless DC motor
10/17/2000US6133655 Claw-pole stepping motor with rotor including vibration reducing magnet
10/17/2000US6132186 Impeller pump driven by a dynamo electric machine having a stator comprised of a mass of metal particles
10/17/2000US6131459 Linearized ultrasound beam alignment servo
10/12/2000WO2000060726A1 Brushless motor
10/12/2000WO2000060724A1 High performance brushless motor and drive for an electrical vehicle motorization
10/12/2000WO2000022715A9 Switched reluctance motor
10/11/2000EP1042859A1 Device for the detection of an angle of rotation of a brushless multi-phase d.c. motor
10/11/2000CN1269627A Brushless DC motor stator and its application
10/10/2000US6129528 Axial flow fan having a compact circuit board and impeller blade arrangement
10/05/2000WO2000058976A1 Method for determining the position of a moveable element in at least one main pole air gap in an electromagnetic actuator
10/05/2000DE19914063A1 Feed device for fuel, with electronically commutated electric motor in electric fuel pump
10/04/2000EP1040550A1 Brushless electronic commuted motor
10/04/2000CN2399887Y Surrounding-current permanent-magnet electromachine with axial magnetic field
10/04/2000CN1268800A Brushless D. C. electric motor
10/03/2000US6127760 Direct-current motor
09/2000
09/28/2000WO2000057541A2 Electric motor having snap connection assembly method
09/28/2000WO2000057539A1 Electric motor with ice out protection
09/28/2000WO2000057538A1 Disk motor
09/28/2000WO2000057536A1 Electric motor with stator core and distinct pole pieces and assembly method
09/28/2000CA2330624A1 Electric motor with bearing caddy and assembly method
09/28/2000CA2329491A1 Electric motor having snap connection assembly method
09/21/2000WO2000055852A1 Disk drive incorporating vibration suppressing mechanism
09/21/2000WO2000030238B1 Electric machine
09/20/2000CN1267402A Dynamo electric machines and stators for use in same
09/20/2000CN1267118A Motor for generating vibration signal
09/19/2000US6121711 Rotary motor and production method thereof, and laminated core and production method thereof
09/19/2000US6121700 Brushless motor and method of manufacture
09/13/2000EP1035635A2 Motor generator developing low torque at high-speed revolutions without cogging
09/13/2000EP1035634A2 Rotary motor and production method thereof, and laminated core and production method thereof
09/13/2000EP1035633A1 Motor for generating vibrational signal
09/13/2000EP1035631A2 Rotary motor and production method thereof, and laminated core and production method thereof
09/13/2000CN1056480C Single phase brushless motor
09/12/2000US6118198 Electric motor with ice out protection
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