Patents for H02K 9 - Systems for cooling or ventilating (16,917)
11/1998
11/25/1998EP0879724A2 Industrial truck with electric drive
11/25/1998EP0826266B1 Electric motor drive
11/25/1998CN1199950A Ventilating structure of rotary generator
11/24/1998US5841211 Superconducting generator and system therefor
11/19/1998DE19813160A1 Cooling apparatus for electric motor, e.g. switched reluctance motor
11/18/1998EP0878897A1 Electric motor or generator
11/18/1998EP0878896A1 Air cooled motor
11/11/1998EP0756775A4 Switched reluctance starter/generator
11/10/1998US5834862 Linear motor cooling system
11/10/1998US5833564 Variable transmission apparatus
11/10/1998CA2018816C Cooling fan with reduced noise for variable speed machinery
11/05/1998DE19718385A1 Heat conducting coating
11/04/1998EP0764358B1 Electric induction motor and related method of cooling
11/03/1998US5831358 Rotor end cap
10/1998
10/29/1998DE19715516C1 Air cooling vent e.g. for traction and propulsion motors
10/28/1998EP0874444A1 Heat conducting means for electric motor or generator
10/28/1998EP0874442A2 An electric motor having an improved airflow cooling system
10/27/1998US5828149 Lubricant inducer pump for electrical motor
10/27/1998US5828148 Method and apparatus for reducing windage losses in rotating equipment and electric motor/generator employing same
10/22/1998DE19716759A1 Plate packet for electrical machines with cooling windows for fluid flow
10/22/1998DE19716758A1 Electrical machine with fluid cooling
10/20/1998US5822845 Method of retaining a winding element in a stator slot
10/15/1998DE19714466A1 Electric motor especially for dental tool
10/14/1998CN1196030A Process and device for separating hydrogen from gas mixture
10/13/1998US5821662 For driving a ring gear of an internal combustion engine
10/13/1998US5821658 For use with a motor
10/07/1998EP0868613A2 Compact hydraulic unit
10/07/1998CN1195431A Eddy current drive
10/07/1998CN1195430A Arrangement in bulb generator
10/07/1998CN1195220A Cooler for amphibious motor water pump
10/06/1998US5818136 Drip-proof structure for engine generator
10/06/1998US5818131 Linear motor compressor and its application in cooling system
10/01/1998DE19811543A1 Brushless electric motor for vehicle air-conditioning fan
09/1998
09/30/1998EP0868012A1 Fully enclosed linear motor armature
09/30/1998EP0868011A1 Fluid-cooled linear motor armature
09/29/1998US5814909 Electric motor having heat radiator at electric connection with inverter
09/29/1998US5814908 Blower wheel with axial inlet for ventilation
09/24/1998WO1998042064A1 Method and apparatus for reducing windage losses in rotating equipment and electric motor/generator employing same
09/24/1998DE19731313A1 Large size variable speed synchronous motor e.g. for power station
09/24/1998CA2284249A1 Method and apparatus for reducing windage losses in rotating equipment and electric motor/generator employing same
09/23/1998EP0866542A2 Rotor of rotary machine having claw poles and auxiliary permanent magnets
09/23/1998EP0791237B1 Motor-drive assembly
09/23/1998CN2292347Y Electric motor
09/22/1998US5810568 Rotary pump with a thermally conductive housing
09/22/1998US5810111 Electric power steering device
09/17/1998WO1998040956A1 Ac generator for vehicle
09/17/1998WO1998040953A1 Ac generator for vehicle
09/16/1998CN2291743Y Multi-functional shield electric machine
09/16/1998CN1193420A Permanent magnet rotor alternator
09/15/1998US5808387 Electric motor for an electric vehicle
09/09/1998CN1192603A Gas-cooled electrical machine
09/08/1998US5803427 Structure for mounting an oil-sink motor in an oil tank
09/02/1998CN1192075A Rotor of turbogenerator directly cooled with gas
09/01/1998US5801454 Air tool
08/1998
08/26/1998CN1191251A Motor for washing machine
08/25/1998US5798593 Induction motor
08/25/1998US5798587 Cooling loop structure of high speed spindle
08/25/1998US5798586 Liquid cooled A.C. generator for use in vehicle
08/20/1998WO1998036486A1 Electric machine, preferably a three-phase generator with rectifier unit
08/19/1998EP0858692A1 Liquid cooling system for electrical machines
08/19/1998CN2288542Y Motor for small radiation fan
08/18/1998US5796201 Rotor of an AC generator for a vehicle
08/18/1998US5796191 Bulb-type generator
08/18/1998US5796190 Engine-driven permanent magnetic type welding generator
08/13/1998DE19705228A1 Elektrische Maschine, vorzugsweise Drehstromgenerator mit Gleichrichter-Baueinheit Electric machine, preferably alternator with rectifier unit
08/12/1998EP0858145A2 Heat recovery method and use thereof
08/11/1998US5793143 Rotor for an electrical machine
08/11/1998US5793142 Solid rotor assembly
08/06/1998WO1998034328A1 Rotating electric machine with coil supports
08/06/1998WO1998034323A1 End plate
08/06/1998DE19703655A1 Electric drive arrangement
08/06/1998CA2279415A1 End plate
08/04/1998US5789833 Totally-enclosed traction motor for electric railcar
08/04/1998US5789829 Motor control system mounted on a motor casing
07/1998
07/29/1998EP0766884B1 Motor-cooling system
07/28/1998US5785114 Integral hydrogen cooler assembly for electric generators
07/23/1998WO1998032210A1 High-power, low-voltage axial air-gap electrical machine having a compact stator
07/22/1998EP0854560A1 Heat dissipation concept for electric drive
07/22/1998EP0854559A1 Rotor of a turbogenerator with direct gas cooling
07/22/1998EP0854558A2 Structure of a rotor for generators and method of manufacturing the same rotor
07/21/1998US5783888 Rotary electric machine
07/21/1998US5783878 Self-regulating electromagnetic levitation catapult
07/21/1998US5783877 Linear motor with improved cooling
07/15/1998EP0853370A1 Rotating electric device
07/15/1998EP0793870B1 Permanent magnet synchronous motor
07/15/1998CN1187708A Gas-cooled electrical machine
07/14/1998US5780946 Air-cooled type electric motor
07/14/1998US5779453 Vacuum pump motor arrangement having reduced heat generation
07/07/1998US5777421 Disc-type electrical machine
07/07/1998US5777408 Exciter current line in the rotor of an electric machine
07/07/1998US5777407 Alternator for vehicle
07/02/1998WO1998028527A1 Bearing systems for motor-assisted turbochargers for internal combustion engines
07/01/1998EP0850507A1 Arrangement in a bulb generator
07/01/1998EP0850191A1 Process and device for separating hydrogen from a gas mixture
07/01/1998CN1186373A Rotor of turbogenerator having direct gas cooling
06/1998
06/30/1998US5773941 Two-wire brushless DC motor control system
06/24/1998EP0849864A2 Device for filling and pressurization of the zone of the winding heads of a rotating electrical HV machine
06/24/1998EP0849862A2 Gas cooled electrical machine
06/24/1998EP0849861A2 Gas cooled electrical machine
06/24/1998EP0849860A2 Gas cooled electrical machine