Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 16 - Machines with more than one rotor or stator
Patents for H02K 16 - Machines with more than one rotor or stator (6,539)
07/2000
07/04/2000CA2193051C Driving means formed by induction motor and method for starting the same
06/2000
06/29/2000WO2000037350A1 Elevator machine with counter-rotating rotors
06/28/2000EP1012509A1 Synchronous twin reciprocating piston apparatus
06/21/2000DE19856647A1 Electric high torque motor has rotor with permanent magnets forming rotor poles mounted coaxially between outer and inner stators, connected to shaft at one end, and supported in machine housing
06/21/2000CN2384364Y Code asynchronous electric generator
06/14/2000CN2383266Y Double stator hollow structure circular travel wave ultrasonic motor
05/2000
05/31/2000CN2381059Y Energy-saved electric motor
05/30/2000US6069420 Specialized actuators driven by oscillatory transducers
05/23/2000US6066998 Magnetic actuator with long travel in one direction
05/17/2000CN2378876Y Energy-saving double-rotor stepless speed regulating asynchronous motor
05/03/2000CN2376690Y Double-stator permanent magnetic synchronous motor
04/2000
04/27/2000WO2000024113A2 Electric machine
04/27/2000DE19848503A1 Electrical machine has coils mounted individually in stator and are curved so that they extend on both sides of rotor and substantially enclose magnets mounted in rotor
04/27/2000CA2347368A1 Electric machine
04/26/2000EP0996215A1 No-load generator
04/19/2000CN1251226A Permanent magnet generator
04/18/2000US6051896 Molding machine
04/12/2000CN2373943Y Multi-rotor energy-saving motor
04/11/2000US6049152 Motor/generator
04/06/2000DE19841560A1 Planetary motor and gear incorporates middle and outer axles, bushing discs, and cogwheels
04/05/2000EP0990961A1 Electromagnetic transducer and electronic device including the transducer
03/2000
03/28/2000US6043579 Permanently excited transverse flux machine
03/28/2000US6042349 Fuel supply device
03/21/2000US6041022 Mechanical-electric energy converter and watch part comprising this energy converter
03/21/2000US6040634 Electric motor/thermal engine drive for a vehicle in which the electric motor functions as a flywheel, starter motor, and generator
03/14/2000US6037696 Permanent magnet axial air gap electric machine
03/14/2000US6037689 Housing with integral weather seals and noise dampeners for a rearview mirror actuator assembly
03/09/2000DE19838400A1 Compact force drive with planetary gearing has individual gearwheels designed to correspond individually and in combination to functions of a motor
03/08/2000CN1050240C High-efficient multi-state electric motor
03/07/2000US6034456 Compact bearingless machine drive system
03/07/2000US6033355 Centrifuge with a plurality of individual centrifuge devices
03/02/2000WO2000011777A1 Electrical machine with permanent magnets
03/02/2000DE19838378A1 Elektrische Maschine mit Dauermagneten Electrical machine with permanent magnets
03/01/2000CN2367007Y Stepless speed changeable synchronous motor for oil submersible use
02/2000
02/23/2000EP0980599A1 A motor
02/23/2000CN2365813Y Machinery equipment with double rotor AC motor-driving apparatus as power
02/22/2000US6028384 Actuator
02/16/2000EP0979678A2 Improvements in or relating to electric motors and centrifuge apparatus
02/16/2000CN2364619Y Double opposed axial magnetic field permanent brushless DC motor
02/15/2000US6025660 Electromechanical transducer comprising two rotors having permanent magnets
02/10/2000WO2000007284A1 No-load generator
02/10/2000CA2298725A1 Load-free generator
02/09/2000CN1244173A Elevator drive machine
02/09/2000CN1244172A Elevator drive machine
02/09/2000CN1244171A Elevator drive machine
02/09/2000CN1244170A Elevator drive machine
02/06/2000WO2000031857A1 Wound-rotor induction motor and energy conversion facility for variable speed electric machine
02/03/2000WO2000005803A1 Stepping motor combination and mirror for a vehicle, provided with such a stepping motor combination
02/02/2000EP0977343A1 Permanent magnet generator
02/02/2000EP0859666B1 Apparatus with a plurality of electric-motor driven centrifuges
02/02/2000CN2362230Y Multi-rotor motor
02/01/2000USRE36545 Twin bobbin four pole motors and methods for making same
01/2000
01/27/2000DE19832576A1 Brushless synchronous generator and/or motor e.g. for automobile i.c. engine has 2 rotor windings with different number of pole pairs providing 2 rotating magnetic fields rotating in opposite directions within same space
01/20/2000DE19820120A1 Multiple stage electric motor especially for drive of electric vehicle
01/11/2000CA2067022C Synchronous motor with two permanent magnet rotor portions
12/1999
12/29/1999CN1239845A Magnetic motor with matched two magnetic wheels
12/29/1999CN1239844A Magnetic motor with single coil and two wheels
12/23/1999DE19928247A1 Cooled electric motor e.g,. for automobile hybrid drive
12/23/1999DE19827259A1 Flywheel-type power supply installation e.g. for telecommunications engineering
12/22/1999EP0965163A1 Electronically switched d.c. motor
12/21/1999US6005747 High capacity disk drive with two stator windings
12/16/1999WO1999065133A1 Axial field electric machine
12/15/1999EP0846364B1 Electric motor
12/14/1999US6002193 Basic module for a discoidal electric machine, and corresponding electric machine
12/02/1999WO1999061193A1 Dual alternator with active control
12/01/1999EP0960465A1 An electric machine
12/01/1999EP0868770B1 Basic module for a discoidal electric machine, and corresponding electric machine
11/1999
11/30/1999US5994811 Electric motor
11/30/1999CA2175387C Open stator axial flux electric motor
11/25/1999WO1999060692A2 Magnetic circuit for rotating apparatus
11/25/1999WO1999054988B1 Specialized actuators driven by oscillatory transducers
11/25/1999DE19821835A1 Concentric multiple rotational drive assembly for use in dial type measurement displays
11/25/1999DE19815857A1 Electro-dynamic machine, i.e. synchronous generator and/or motor
11/25/1999CA2332423A1 Magnetic circuit for rotating apparatus
11/24/1999EP0958227A2 Elevator drive machine
11/24/1999CN1046654C Transfer device
11/23/1999US5990593 Permanent magnet rotor type electric motor
11/23/1999US5990590 Versatile AC dynamo-electric machine
11/18/1999DE19821632A1 Induction machine with excitation by rotating permanent magnet ring
11/17/1999EP0956260A1 Procedure in an elevator drive machine
11/17/1999EP0956259A1 Elevator drive machine
11/17/1999EP0956258A1 Elevator drive machine and an elevator
11/16/1999US5986364 Housing with integral weather seals and noise dampeners for a rearview mirror actuator assembly
11/11/1999WO1999057795A1 Multi-stator motor with independent stator circuits
11/10/1999EP0955717A2 Squirrel cage induction motor
11/09/1999US5982074 Axial field motor/generator
11/04/1999DE19909233A1 Adjusting drive to swivel car's rear view mirror about at least one pivot axis
11/04/1999DE19819480A1 Generator, especially for extracting brake energy in vehicles
11/02/1999US5977729 Electrochemical radial cell engine
11/02/1999US5976047 Gear system with electric motor driving planet gear about fixed sun gear to impart rotation to carrier
10/1999
10/28/1999WO1999054988A1 Specialized actuators driven by oscillatory transducers
10/28/1999CA2328887A1 Specialized actuators driven by oscillatory transducers
10/21/1999DE19909227A1 Two-phase step or synchronous motor with two soft magnetic stator parts
10/20/1999EP0819333B1 Linear motor compressor and its application in cooling system
10/14/1999WO1999052196A1 Fault tolerant electric machine
10/14/1999WO1999040668A9 Flywheel battery system with active counter-rotating containment
10/13/1999CN2343709Y 节能异步电动机 Saving induction motor
10/06/1999EP0946835A1 System and apparatus for a multiple input and dual output electric differential motor transmission device
10/06/1999CN1230819A Adjustable-speed AC motor
10/05/1999US5962944 Permanent magnet rotor type electric motor
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