| Patents for H02K 49 - Dynamo-electric clutches; Dynamo-electric brakes (3,406) |
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| 04/01/2009 | CN101400454A A cleaning head |
| 03/25/2009 | EP2040353A1 Rotor can and method for its manufacture |
| 03/25/2009 | CN101391580A Electric eddy current rail brake for vehicle |
| 03/24/2009 | US7508104 Magnetic coupling arrangement for transmitting a torque |
| 03/18/2009 | CN101389514A Residual magnetic devices and methods |
| 03/11/2009 | CN201206180Y Tenser for warping machines |
| 03/05/2009 | WO2009026633A2 A kinetic energy accumulator and an energy transfer system incorporating a kinetic energy accumulator |
| 03/05/2009 | DE102007038689B3 Elektromagnetisch betätigbare Drehmomentsteuervorrichtung Electromagnetically operable torque control device |
| 03/05/2009 | DE102007038688A1 Torque control device for use as clutch or brake, has field units arranged at disk that is connected with shaft, and electromagnets that are arranged axially opposite to each other and assigned to field units |
| 03/05/2009 | CA2697446A1 A kinetic energy accumulator and an energy transfer system incorporating a kinetic energy accumulator |
| 03/04/2009 | CN201204541Y Magnetic-coupling transmission device for hand-hold electric cutting machine |
| 03/04/2009 | CN201204540Y Mixed generator with built-in eddy current magneto resistance |
| 02/25/2009 | EP2028081A2 Variable effort steering actuator |
| 02/25/2009 | EP2027644A1 Arrangement for generating a non-linear force or torque curve |
| 02/25/2009 | CN101375063A Vacuum pump unit |
| 02/25/2009 | CN101374610A A drive system for a cleaning head disposed in a tank |
| 02/18/2009 | CN101369757A Induction type ultrasound electric principal shaft |
| 02/18/2009 | CN100463337C Electric eddy current retarder |
| 02/11/2009 | CN101363358A Three-speed reversing electromagnetical fan clutch |
| 02/11/2009 | CN101363357A Two-speed reversing electromagnetical fan clutch |
| 02/04/2009 | CN201191802Y Electric vortex speed damper |
| 02/04/2009 | CN101359865A Liquid cooling permanent magnet speed inhibitor capable of stage division |
| 02/03/2009 | US7485996 Position retention device |
| 01/29/2009 | WO2009012743A1 Vehicle having an eddy current brake for a track-bound transportation system and transportation system which is operated therewith, in particular magnetic levitation railway |
| 01/29/2009 | US20090026303 Method For Braking A Running Metal Strip And Unit For Carrying Out The Method |
| 01/29/2009 | DE102007033676A1 Kupplungsvorrichtung zur Drehmomentübertragung und Verfahren zur Drehmomentübertragung mit einer derartigen Kupplungsvorrichtung Coupling device for transmitting torque and method for transmitting torque with such a coupling device |
| 01/22/2009 | WO2009010333A1 Clutch device for the transmission of torque, and method for the transmission of torque using such a clutch device |
| 01/15/2009 | US20090015087 Apparatus and method for generating rotary oscillations |
| 01/14/2009 | CN201181896Y Magnetic damping machine for passive lifesaving device |
| 01/14/2009 | CN101346876A Method for controlling an electromagnetic retarder |
| 01/14/2009 | CN101345468A Servo engaging and disengaging gear and its operation mode |
| 01/14/2009 | CN100451390C Flexible and rigid double-state coupling and application apparatus |
| 01/08/2009 | WO2008106705A3 Magnetomechanical torque converter |
| 01/07/2009 | CN201178369Y Magnetic powder brake of winding machine |
| 01/07/2009 | CN101340137A Bi-stable magnetic clutch |
| 01/07/2009 | CN101340136A Braking type magnetic clutch |
| 01/07/2009 | CN101340135A Braking type magnetic clutch |
| 12/24/2008 | CN101330245A Speed-regulating type magnetic clutch |
| 12/24/2008 | CN101330244A Magnetic force brake |
| 12/18/2008 | US20080309186 Magnetic belt and roller system |
| 12/17/2008 | CN201166098Y Electromagnetic clutch type stepless speed changer |
| 12/17/2008 | CN101325359A Electromagnetic force clutch |
| 12/17/2008 | CN101325350A Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle |
| 12/11/2008 | WO2008148273A1 Driving device using permanent magnet |
| 12/10/2008 | EP1999841A1 Magnetic coupling with hysteresis, particularly for winding/unwinding devices |
| 12/10/2008 | CN101322308A Method for controlling an electromagnetic retarder |
| 12/10/2008 | CN101322306A Method for using an electromagnetic retarder |
| 12/10/2008 | CN101322302A Method for detecting a malfunction in an electromagnetic retarder |
| 12/09/2008 | CA2487652C Fixation of permanent magnets to secondary of linear machine and linear machine with multiple time constant circuits |
| 12/04/2008 | DE102007023607A1 Bremseinheit für eine elektrische Maschine, Lagerschild mit einer derartigen Bremseinheit sowie elektrische Maschine Brake unit for an electrical machine, end shield with such a brake unit and electric machine |
| 12/03/2008 | EP1996346A1 A cleaning head |
| 12/02/2008 | US7459820 Magnetic belt and roller system |
| 12/02/2008 | US7458775 Magnetically operated fan device |
| 11/27/2008 | US20080290750 Drive Motor System |
| 11/26/2008 | CN101312321A Novel magnetic clutch |
| 11/20/2008 | US20080284414 Hysteresis Brake, Especially for an Electric Camshaft Adjuster |
| 11/20/2008 | DE102007021917A1 Electrical machine i.e. permanent magnet-excited electronically commutated engine, for driving pump i.e. water pump, in motor vehicle, has blower arranged in scatter field arising at axial end of rotor, and coupled with flux of rotor |
| 11/19/2008 | EP1992059A1 Apparatus and method for generating rotary oscillations |
| 11/19/2008 | CN201151351Y Rear-mounted power automobile retarder |
| 11/18/2008 | US7453177 Magnetic coupling devices and associated methods |
| 11/12/2008 | EP1346458B1 Mechanical drive system operating by magnetic force |
| 11/11/2008 | US7448972 System for transmitting motion between the shaft of an internal combustion engine of a motor vehicle and a group of auxiliary devices |
| 11/06/2008 | WO2008134730A1 Mechanical safety brake for a mobile storage system |
| 11/06/2008 | US20080272205 Drive System for a Cleaning Head Disposed in a Tank |
| 11/06/2008 | CA2681882A1 Mechanical safety brake for a mobile storage system |
| 11/05/2008 | CN201146448Y Apparatus for generating current variable effect and application thereof |
| 11/04/2008 | US7446446 Rotary electronic component |
| 10/29/2008 | EP1986308A1 Apparatus with multiple-disk clutch and foucault coupling or transmitting the movement to driven shafts |
| 10/29/2008 | CN201142631Y Magnetic torque converter |
| 10/29/2008 | CN201142630Y Middle electric eddy speed damper |
| 10/29/2008 | CN201140676Y Conjuncted bracket for installation of electric eddy speed damper |
| 10/29/2008 | CN101295912A Pneumatic clutch controlling permanent magnetic retarder |
| 10/23/2008 | WO2008125860A1 Flywheel arrangement for motor vehicles |
| 10/16/2008 | WO2008122861A1 Power transmission mechanism and exhaust heat recovery apparatus |
| 10/15/2008 | EP1979619A1 Vacuum pump unit |
| 10/15/2008 | CN201134745Y Permanent magnetic clutch |
| 10/15/2008 | CN100426638C Eddy current type reduction gear |
| 10/09/2008 | US20080245626 Electromagnetic Retarder For a Motor Vehicle |
| 10/09/2008 | DE102008016935A1 Rapid rotary electric drive, has case units movably connected with each other, and magnetic disks between which air gap is provided to decrease or increase torque position, where torque is manually adjusted from outside |
| 10/08/2008 | CN201129270Y Electromagnetic reduced speed pressure-limiting type 600 w wind and light complementary power generation system |
| 10/08/2008 | CN201127812Y Magneto resistance control structure of body-building machine |
| 10/08/2008 | CN101283128A Twisting flyer |
| 10/02/2008 | WO2008098173A3 Skewed magnet torque coupling systems and methods thereof |
| 10/01/2008 | EP1975376A2 Expansion turbine |
| 10/01/2008 | EP1973675A1 A drive system for a cleaning head disposed in a tank |
| 10/01/2008 | CN101277785A Magnetic spindle for machine tool |
| 10/01/2008 | CN101275559A Rolling rotor type cold compressor |
| 10/01/2008 | CN101275557A Swirl type cold compressor |
| 09/24/2008 | CN201122892Y Field excitation clearance-adjustable hub type retarder |
| 09/24/2008 | CN201122891Y Air-cooling type electric whirling current power absorption device |
| 09/18/2008 | WO2008110738A1 Magnetic torque coupling having an inner rotor mounted for axial movement relative to an outer rotor |
| 09/17/2008 | CN201118425Y A vortex clutch for checking weight |
| 09/12/2008 | WO2008106705A2 Magnetomechanical torque converter |
| 09/11/2008 | US20080220882 Torque Converter |
| 09/10/2008 | EP1968176A1 Magnetic repulsion coupling for transmission of a rotational movement from a driving member to a driven member |
| 09/10/2008 | CN201113758Y Brake composite structure |
| 09/10/2008 | CN201113757Y Electric elevating mechanism brake |
| 09/10/2008 | CN201113756Y Oil rig multifunctional auxiliary brake device |
| 09/10/2008 | CN201113755Y Electromagnetic force clutch |
| 09/10/2008 | CN201113724Y Body-building equipment auto-excitation type generating and brake device |