Patents
Patents for H02K 16 - Machines with more than one rotor or stator (6,539)
06/2004
06/03/2004US20040103742 Fault-tolerant rotary actuator
06/02/2004EP1424765A1 Low-profile stepping motor with two coils arranged flush with each other
06/02/2004EP0996215B1 Generator
06/01/2004US6744164 Motor, electric vehicle and hybrid electric vehicle
06/01/2004US6744156 Stepping motor having a predetermined number of teeth corresponding to magnetically stable points per rotor rotation
05/2004
05/27/2004US20040100161 Low-profile stepping motor with two coils arranged flush with each other horizontally
05/27/2004US20040100102 Wind power plant
05/27/2004DE20303611U1 Electric motor has rotor and stator that are coupled with each other for generating opposed rotation movement
05/27/2004DE10343194A1 Alternative Antriebskraftanordnung mit einem Elektromotor mit mehreren Ankern Alternative driving force arrangement with an electric motor with multiple anchors
05/27/2004DE10253528A1 Light electrical motor without power reducing grooves, has stator that rotates in opposite direction to rotor by means of differential or planetary gear
05/26/2004CN2618353Y Double rotor AC stepless speed adjustable motor controlled by brake
05/20/2004US20040095031 Micro-electromechanical voltage converter
05/19/2004EP1420503A1 Motor casing
05/19/2004DE10250382A1 Drehstrom-Asynchrongenerator Three-phase asynchronous
05/18/2004US6737778 Pulley driving system
05/13/2004WO2004040740A1 Dual-supply induction machine comprising a second counter-rotating rotor
05/13/2004DE19928247B4 Motor mit Kühlsystem Engine cooling system
05/12/2004CN1495002A Apparatus for distributing free flowing material
05/12/2004CN1149729C Motor
05/06/2004WO2003100957A9 Method, apparatus, and system for drive control, power conversion, and start-up control
05/06/2004WO2003100956A9 Apparatus and method for identifying an operational phase and controlling energization
05/06/2004EP1416616A1 Electric motor
05/06/2004EP1415087A1 Plant, generator and propeller element for generating energy from watercurrents
05/04/2004US6731017 Distributed powertrain that increases electric power generator density
04/2004
04/29/2004WO2004035450A1 Driver of elevator
04/29/2004US20040080238 Quantum disk armature electric generator
04/29/2004US20040080237 Electric motor
04/29/2004US20040080233 Low-profile stepping motor with two coils arranged flush with each other horizontally
04/28/2004EP1414142A1 Low-profile stepping motor with two coils arranged flush with each other
04/28/2004EP1414141A1 Low-profile stepping motor with two coils arranged flush with each other horizontally
04/28/2004EP1414140A1 Electric machine, in particular an axial gap brushless DC motor
04/28/2004EP1413046A1 Adaptive control architecture for electric machines
04/28/2004EP1020013B1 Linear motor compressor
04/28/2004CN1492564A Electric motor
04/27/2004US6727631 Rotary electrical machine
04/27/2004US6727620 Apparatus and method for a dual drive axle
04/22/2004WO2004032684A1 Electromotive furniture drive
04/22/2004US20040077447 Internal spur gear drive
04/22/2004US20040075358 Electric rotating machine
04/22/2004US20040075279 Wind powered electric generator
04/22/2004DE10118420B4 Antriebseinheit für eine Maschine Drive unit for a machine
04/20/2004US6724113 Reduced backlash zero cogging reversing transmission
04/15/2004WO2004032312A1 Starting power generation system and starting power generator
04/15/2004WO2004031585A1 Screw pump and method of operating the same
04/15/2004US20040070547 Structure of dual magnetic loop type receiver
04/15/2004US20040070307 Axial gap brushless DC motor
04/15/2004CA2492495A1 Screw pump and method of operating the same
04/14/2004CA2444759A1 Axial gap brushless dc motor
04/14/2004CA2439980A1 Axial gap brushless dc motor
04/13/2004US6720688 Electric machine
04/08/2004US20040066497 Moving apparatus, exposure apparatus, and device manufacturing method
04/07/2004EP1405388A1 Switched reluctance motor with radial and transverse flux
04/07/2004CN1145088C Generator used for clock and clock mechanism using the same generator
04/06/2004US6717313 Magnetic circuit for rotating apparatus
04/01/2004WO2004027266A2 Fault-tolerant rotary actuator
04/01/2004WO2004027211A1 Electric motors for powering downhole tools
04/01/2004WO2003065546A3 Electric motor drive assembly and its use in a hybridvehicle
04/01/2004US20040061396 Induction motor
04/01/2004CA2499251A1 Electric motors for powering downhole tools
03/2004
03/31/2004EP1402993A1 Worktable with two drive units, for numerical control machine tools
03/31/2004EP1042637A4 Displacer assembly for stirling cycle system
03/31/2004EP1012509A4 Synchronous twin reciprocating piston apparatus
03/31/2004CN1485702A Display panel and the multilayer pole plate made of the same
03/30/2004US6713982 Segmented induction electric machine with interdigiated disk-type rotor and stator construction
03/30/2004US6713920 Linear actuator using two rotors
03/30/2004US6713903 Motor system for positioning a load
03/24/2004EP1401087A1 Axially movable rotor
03/24/2004EP1400695A2 Apparatus for dispensing free-flowing material
03/24/2004CN2607695Y External rotor double feeding ac brushless asynchronous motor
03/24/2004CN1143423C Fernament magnet rotor type electric motor
03/24/2004CA2442435A1 Worktable for numerical control machine tools
03/23/2004US6710492 Concentrically arranged single stator dual rotor motor/generator
03/23/2004US6710491 Roller device with dynamic function
03/23/2004US6710483 Actuator capable of revolving
03/18/2004US20040051404 Stepping motor
03/17/2004EP1397594A1 Wind energy plant with an asynchronous machine for determining the azimuth position
03/16/2004US6707268 Alternative drive power arrangement having an electric motor with multiple armatures
03/16/2004US6707207 High bandwidth track following actuator for hard disk drives
03/16/2004US6707190 Power conversion apparatus and methods
03/11/2004WO2004020885A1 Regulating device
03/11/2004WO2004020785A1 Drive device
03/11/2004DE10164784A1 SRF, selbstreinigender Filter SRF, self-cleaning filter
03/09/2004US6703740 Brushless motor with reduced rotor inertia
03/09/2004US6703728 Step motor with double coil in a plane
03/04/2004DE10237118A1 Linear drive for machine tool has dual axle - dual speed linear drive with tool holding spindle and workpiece holding spindle moving in opposite directions
03/03/2004CN1479433A Constant power stepless variable three-phase alternating current asynchronous motor
03/02/2004US6700272 Reluctance motor with gearless step-down without electronic control of rotating field
03/02/2004US6700271 Hybrid synchronous motor equipped with toroidal winding
03/02/2004US6700268 Rotational electric machine and a vehicle loaded therewith
03/02/2004US6700266 Multiple fault redundant motor
03/02/2004US6700252 Field configurable modular motor
03/02/2004US6700249 Direct drive vertical lift and rotation stage
02/2004
02/26/2004WO2003100948B1 Pmbdcm and two-phase srm motor
02/25/2004CN1477764A Stepping motor with several step angles
02/25/2004CN1140039C DC motor
02/19/2004WO2004015847A1 Motor generator and electric motor vehicle
02/19/2004US20040032169 Motor system for positioning a load
02/18/2004CN1476661A Retarder, particularly provided as braking device or auxiliary braking device for vehicles or like, especially rail vehicles
02/18/2004CN1476145A 感应电动机 Induction motor
02/12/2004US20040027021 Switched reluctance motor having radial and transverse flux
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