Patents
Patents for H02K 49 - Dynamo-electric clutches; Dynamo-electric brakes (3,406)
08/1993
08/24/1993US5238095 Hysteresis brakes and clutches
08/17/1993US5236069 Braking device for indoor exercise bicycles
08/10/1993US5234083 Magnetic brake
07/1993
07/14/1993EP0550468A1 Magnetically-coupled angle sensor
06/1993
06/30/1993EP0548490A1 Electronic rotation speed control for laboratory apparatus, especially magnetic stirrer
06/22/1993US5220721 Method for mounting an electrical brake motor
06/15/1993US5219050 Eddy current braking apparatus
06/10/1993WO1993011381A1 Sealing and pumping means and methods
06/10/1993WO1993011372A1 Magnet-superconductor systems for controlling and influencing relative motion
06/10/1993CA2124956A1 Magnet-superconductor systems for controlling and influencing relative motion
06/09/1993DE4240718A1 Clean pump with impeller in housing part, e.g. for medical instrument - has rotor fitted at one side of impeller with housing part in- between and two passive magnetic bearings for radial support of impeller.
06/01/1993US5215501 Hysteresis magnet coupling for roots type pumps
06/01/1993US5215169 Eddy current braking system
05/1993
05/19/1993DE3645260A1 Pump with double-walled split-tube magnetic clutch - has film in space between walls, visible from exterior as evidence of damage or liq. contact.
05/13/1993WO1993009590A1 Eddy current type retarder
05/13/1993WO1993009589A1 Rotary apparatus
05/11/1993US5209699 Magnetic drive device
05/06/1993DE4236428A1 Magnetically actuated torque limiting coupling - has driving cylinder between cylinders with inner and outer rings of magnets permitting relative rotation for torque adjustment
05/04/1993US5206983 Method of manufacturing micromechanical devices
04/1993
04/29/1993DE4134725A1 Rotational speed regulator for magnetic coupled laboratory stirrer
04/21/1993EP0537723A2 Rotor for an electromagnetic eddy-current brake, in particular for motor vehicles
04/20/1993US5204572 Radial magnetic coupling
04/15/1993WO1993007387A1 Device and method for rotation
04/06/1993CA1315839C Er fluid force transmission and conversion device with magnetic coupling
03/1993
03/30/1993CA1315328C Eddy current retarder
03/11/1993DE4129688A1 Stepless power transmission assembly for e.m. couplings - has respective non-magnetic housings at magnet body and armature with grooved ball bearing inserted between two grooved plates in housings as connecting joint
02/1993
02/17/1993CN1069150A Miniature d-c motor
02/03/1993EP0526143A2 A miniature D-C motor
01/1993
01/21/1993WO1993001647A1 Magnetic device for converting reciprocating into rotating motion
01/07/1993DE4121240A1 Electromagnetically operated friction clutch e.g. for IC engine cooling fan - uses variable spacing between rotor disc and permanent magnetic disc to control clutch slip
12/1992
12/30/1992EP0520631A2 Micromechanical magnetic devices and method of producing the same
12/22/1992CA1311788C Armature rotors of electromagnetic retarders
12/09/1992EP0517585A1 Improvements in rotary electric machines
12/07/1992CA2070356A1 Rotary electrical machines
12/02/1992EP0516509A1 Magnetic driving system and counting device, in particular water meter incorporating such a system
11/1992
11/25/1992CA2068379A1 Magnetic drive system, and a meter, in particular a water meter, including such a system
11/24/1992US5166110 Process for the synthesis of ziegler-type catalytic solids or solid constituents of the same
11/19/1992DE4116160A1 EM retarder acting as eddy-current brake - uses permanent magnet rotor and claw-shaped stator with cooling passages
11/11/1992EP0512516A1 Magnetic drive device
11/04/1992CN2121098U No-contract high permanent-magnet automobile brake apparatus
11/04/1992CN2120916U Magnetic powder brake with circulation water cooling structure
10/1992
10/27/1992US5158279 Magnetic clutch with adjustable slip torque
10/14/1992EP0508949A1 Method for mounting a braking motor
10/13/1992US5154623 Eddy current type brake system
10/07/1992EP0506898A1 Apparatus for measuring the change of position of a rotor.
09/1992
09/22/1992US5148895 Rotary actuator for variable damping force shock absorber
09/15/1992US5147186 Blood pump drive system
09/08/1992US5145038 Eddy current type retarder
09/02/1992EP0501427A1 Magnetic drive device
09/01/1992US5143183 Vehicle
08/1992
08/13/1992DE4104129A1 High power ergometer with ventilated eddy-current brake - eliminates need for motor-driven fan by exploitation of natural convection when rotor is at standstill
08/05/1992EP0497329A1 Eddy-current brake
07/1992
07/07/1992US5127796 Rotary pump having an encapsulated motor
06/1992
06/30/1992US5125283 Speed governor
06/30/1992CA1304439C Assembly formed by an electromagnetic retarder and its electric supplymeans
06/02/1992CA1302528C Non-contact linear drive
05/1992
05/27/1992CN2105800U Resistance changing armature speed changer
05/26/1992US5115693 Transmissions of vehicles equipped with electric retarders
05/13/1992EP0485283A1 Rotor of an electromagnetic brake, method and device for its fabrication
05/13/1992EP0484444A1 Variable reluctance torque coupler
05/10/1992CA2055076A1 Rotor armatures of electromagnetic retarders and to their manufacturing processes and devices
05/05/1992CA1300044C Armature rotors of electromagnetic brakes
04/1992
04/21/1992US5105928 Magnetic clutch
04/15/1992EP0480345A1 Eddy-current brake
04/09/1992DE4031269A1 Electric eddy current brake - has two annular pole adjacent to rotor lying in magnetic field of electromagnetic coil
04/02/1992WO1992005622A1 Magnetically-coupled angle sensor
04/02/1992WO1992005402A1 Apparatus for measuring the change of position of a rotor
03/1992
03/26/1992DE4030229A1 Winkelgeber Angle sensor
03/25/1992EP0476357A1 Magnetic coupling
03/25/1992CN2100055U A.c. electromagnetic-regulated variable speed motor and its derived series
03/17/1992US5096024 Adjustable magnetic brake
03/11/1992EP0474192A2 Brake device including magnet and superconductor
03/04/1992EP0308395B1 Eddy current brake for motor vehicles
02/1992
02/06/1992DE4123433A1 Rotary pump assembly - has rotor with permanent magnets and spiral grooves inside non-magnetic housing
02/05/1992EP0469496A1 Eddy current type retardation device
02/05/1992EP0469479A1 Eddy current type retardation device
01/1992
01/21/1992US5081876 Slide valve position indicator and magnetic coupler
01/15/1992EP0308396B1 Eddy current brake for motor vehicles
01/07/1992US5079458 Magnetic helix non-contacting linear drive
12/1991
12/27/1991EP0462564A1 Eddy current type retarder
12/17/1991US5072930 Load applying device for an exercise bicycle
12/11/1991CN2090590U Electromagnetic infinitely variable speed drive for motor
12/10/1991US5071831 Coupling two disks; controlling rotation with magnetic field; useful in ultra-high speed rotational devices
12/03/1991CA1292763C Low loss magnetic drive system
11/1991
11/13/1991EP0456017A2 Eddy current type retarder
11/12/1991US5064029 Eddy current retarder
10/1991
10/29/1991CA1291515C Eddy current retarders for vehicles
10/16/1991EP0451376A1 Centrifugal blood pump and motor drive
10/08/1991US5054587 Eddy-current brake
10/01/1991US5052988 Differential control system
09/1991
09/24/1991US5051638 Magnetically variable air resistance wheel for exercise devices
09/24/1991US5050711 Electromagnetic brake apparatus
09/19/1991DE4008278A1 Radial pump for automobile engines - comprising two-part housing consisting of pump chamber formed by first housing-part and insert
09/18/1991EP0312601B1 Eddy current brake
09/11/1991CN1054424A Process for synthetizing solid catalyst of ziegler type or solid components of solid catalyst in multifunctiuonal rotary reactor, and agitator of magnetic drive in this reactor
09/05/1991WO1991013486A1 Synchronous motor for use on a direct current network
09/03/1991US5045739 Coated rotor for eddy current type retarder
09/03/1991US5044228 Vehicle transmissions equipped with electric retarders
09/03/1991US5044227 Vehicle transmissions equipped with electric retarders
08/1991
08/29/1991DE4005773A1 Synchronmotor zum betreiben an einem gleichspannungsnetz Synchronous motor to operate at a DC network
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