Patents for H02K 9 - Systems for cooling or ventilating (16,917)
07/1997
07/09/1997CN1154181A Electric induction motor and related method of cooling
07/03/1997WO1997023733A2 Compact hydraulic unit
07/03/1997DE19549204A1 Electric machine esp. three=phase current generator for vehicle internal fan
06/1997
06/26/1997DE19652706A1 Compact hydraulic unit with hydro-pump driven by air-cooled electric motor
06/25/1997CN1035296C Generator cooling system with transmission device set in shaft
06/24/1997US5642013 Permanent-magnet synchronous motor
06/24/1997US5642012 Brush holder for use in electric motor
06/19/1997DE19651723A1 Battery-operated concrete vibrator
06/18/1997EP0779697A1 An alternator, particularly for motor vehicles
06/18/1997EP0779694A1 Rotator for dynamoelectric machine and its manufacturing method
06/18/1997CN1152207A Rotator for dynamoelectric machine and its manufacturing method
06/17/1997US5638894 Electrical supply arrangement for a motorized fan unit fixed on a heatexchanger
06/11/1997EP0778652A2 Sound insulated injection molding machine
06/11/1997EP0721391A4 A brushless spindle motor for a grinding machine including hydrostatic bearings
06/10/1997US5636707 Lubrication system for an electric apparatus journalled by means of sliding bearings
06/04/1997EP0776779A2 Hybrid drive system
06/03/1997US5635779 Electrical machine with an axial fan
06/03/1997US5634274 Ventilating device in power driven tool
05/1997
05/28/1997EP0776081A1 Totally-enclosed type motor
05/28/1997CN1150714A Generator
05/28/1997CN1150713A AC generator
05/28/1997CA2174993A1 Ventilation system for a long stack dc machine
05/27/1997US5633543 Pressure equalizer and method for reverse flow ventilated armature in power generator
05/27/1997US5632469 Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing
05/27/1997US5632157 Electric automobile
05/22/1997DE19543284A1 Drive unit for model aircraft
05/22/1997DE19542887A1 Pump motor unit
05/21/1997EP0774293A1 A cooling device
05/21/1997CN1150350A Lubrication system for electric apparatus journalled by means of sliding bearings
05/20/1997US5631544 Hybrid alternator with voltage regulator
05/14/1997EP0773620A1 Molded through-flow motor assembly
05/14/1997CN1149781A A.C. generator for vehicle
05/13/1997US5629573 Spray cooled condenser for an integral heat pipe shaft in high power motors and generators
05/13/1997US5628232 Energy storage system
05/06/1997US5627422 Shaft mounted eddy current drive
05/06/1997US5627420 Pump powered by a canned electric motor having a removable stator cartridge
05/02/1997EP0771060A1 Alternator featuring improved internal ventilation means
04/1997
04/30/1997CN1148909A Electric current generation apparatus
04/30/1997CN1148751A Electrostatic capacity metering device for stator winding of rotary motor
04/30/1997CN1034782C Gas-cooled electric machine
04/30/1997CN1034781C Rotor of electrical machine having excitation current supply line
04/29/1997US5625244 Fan and slip ring assembly
04/29/1997US5625242 Starter with speed reduction mechanism
04/17/1997WO1997008432A3 Permanent magnet rotor alternator
04/16/1997CN2252441Y Ventilator explosion-proof electric machine positive-pressure coolant mechanism
04/16/1997CN1147718A Brushless electric machine
04/16/1997CN1147716A Miniature motor
04/16/1997CN1034621C Alternator for vehicle
04/15/1997US5619956 Auxiliary power unit for hybrid electric vehicle
04/09/1997EP0766884A1 Motor-cooling system
04/02/1997EP0766366A1 Power steering unit
04/02/1997EP0765716A1 Improved circular saw
04/02/1997EP0765539A1 Slotted coiled stator for an electrical rotating machine, method for the production of such a stator and machine comprising such a stator
04/02/1997CN1146655A Vehicle ac generator with SIC switch transistor
04/02/1997CN1146654A Rotor for motor-generator
04/01/1997US5616973 Pump motor housing with improved cooling means
04/01/1997CA2010670C Salient pole rotor for a dynamoelectric machine
04/01/1997CA2007475C Totally enclosed electric motor
03/1997
03/27/1997DE19636723A1 Electric AC motor with variable speed
03/27/1997DE19534095A1 Verfahren und Vorrichtung zum Abscheiden von Wasserstoff aus einem Gasgemisch Method and apparatus for separating hydrogen from a gas mixture
03/26/1997EP0764358A1 Electric induction motor and related method of cooling
03/26/1997CN2250595Y Permanent magnet synchronous generator
03/25/1997US5614774 Air inducer for electric power tool
03/20/1997WO1997010172A1 Process and device for separating hydrogen from a gas mixture
03/19/1997EP0763273A1 Electric current generation apparatus
03/19/1997EP0650644B1 Electric motor-wheel
03/19/1997CN1145546A Hydraulic generator with verticle shaft
03/18/1997CA2034277C Cooling structure for linear induction motor
03/13/1997WO1997009771A1 Arrangement in a bulb generator
03/13/1997DE19532976A1 Machine tool motor spindle drive
03/12/1997EP0762615A1 Alternator with internal cooling means, particularly for automobile vehicles
03/12/1997EP0762614A2 AC generator
03/12/1997EP0762607A2 Generator
03/12/1997EP0762601A1 Alternator with improved rotor structure, especially for motor vehicles
03/12/1997EP0563051B1 Methods and apparatus for ventilating electric machines
03/11/1997US5610456 Permanent magnet direct current motor
03/06/1997WO1997008432A2 Permanent magnet rotor alternator
03/04/1997US5608280 Commutator type rotary electric machine
03/04/1997US5606946 Auxiliary power unit for a hybrid electric vehicle
02/1997
02/27/1997DE19607882C1 High pressure cleaning device
02/26/1997EP0759507A1 Electrical drive, in particular for a central heating circulation pump
02/25/1997US5606201 Fluid-cooled power transistor arrangement
02/25/1997US5605294 Method for controlling the drive of a yarn winder, and the yarn winder thereof
02/20/1997DE19548321C1 Fan-wheel type cooling arrangement for electrical machines
02/18/1997US5604654 Permanent magnet direct current motor
02/13/1997WO1997005686A1 Process and device for quickly reducing pressure in an installation, in particular a hydrogen-cooled generator
02/12/1997EP0758158A2 Electrostatic capacity measuring instrument for stator winding of electric rotating machine
02/12/1997CN2247389Y Water-cooling type voltage-resistance motor
02/12/1997CN1142702A Self cooling electric motor
02/12/1997CN1034040C Brushless motor
02/11/1997US5602957 Permanent magnet direct current motor
02/11/1997US5602435 Gas-cooled electrical machine
02/06/1997WO1997004516A1 Device for supporting an electric motor driving a turbine, in particular for a motor vehicle heating and/or air conditioning apparatus
02/05/1997EP0756775A1 Switched reluctance starter/generator
02/05/1997CN1142133A Electric vehicle-wheel assembly
01/1997
01/30/1997DE19527879A1 Elektromotor, insbesondere Antriebsmotor für eine Faß- oder Behälterpumpe Electric motor, especially drive motor for a grasping or container pump
01/29/1997CN1141530A Spark protected structure of A.C. alternator and spark blocking method
01/29/1997CN1141529A Electric bulb type power generator
01/23/1997WO1997002642A1 Eddy current drive
01/23/1997DE19628151A1 Vorrichtung zur Halterung eines Elektromotors für den Antrieb einer Turbine insbesondere zu einer Heizungs- und/oder Klimaanlage für Kraftfahrzeuge Device for holding an electric motor for driving a turbine in particular to a heating and / or air-conditioning system for motor vehicles