Patents for H02K 9 - Systems for cooling or ventilating (16,917)
06/1992
06/02/1992US5119466 Control motor integrated with a direct current motor and a speed control circuit
06/02/1992US5118466 Nuclear reactor coolant pump with internal self-cooling arrangement
06/02/1992CA1302474C Dynamoelectric machine with cam locked air gap baffle assembly
06/02/1992CA1302471C Motor cooling and particulate trapping structure
06/02/1992CA1302470C Ventilated electric motor assembly
05/1992
05/27/1992CN2105795U Low wind resistance integrated automobile electric generator
05/26/1992CA1301819C Shroud for dynamoelectric machine
05/20/1992EP0485624A1 Construction for cooling motor
05/13/1992EP0484548A1 Electric automobile
05/13/1992CN1061119A Liquid cooled electric generating apparatus and method for filling liquid cirulation system therein
05/12/1992US5113102 Rotary motion transmitter and heat treatment method for sealed chamber
05/06/1992EP0484041A1 Liquid cooled electric generating apparatus and method for filling a liquid circulation system therein
05/05/1992US5111090 Cooling device of a motor for vehicle
05/05/1992US5111089 Cooling device for a vehicle motor
05/05/1992CA1300044C Armature rotors of electromagnetic brakes
05/01/1992CA2053450A1 Liquid cooled electric generating apparatus and method for filling a liquid circulation system therein
04/1992
04/20/1992WO1992007409A1 Rotor of brushless motor and its manufacturing method
04/20/1992CA2093000A1 Rotor for brushless electromotor and method for making same
04/16/1992WO1992006529A1 Liquid cooling device of motor
04/16/1992WO1992006528A1 Cooling device of rotating member
04/15/1992EP0480484A2 Vehicle mounted a.c. generator
04/09/1992DE4133001A1 Superconductive current generator with cold rotor - has refrigeration device for cooling medium fed through rotor winding incorporated in rotor
04/09/1992DE4131966A1 Air-cooled vehicle alternator - has baffle plate attached to rear rotor bearing support via fixing screws
04/09/1992DE4131463A1 Water- or oil-cooled vehicle alternator - incorporates cover having flange and central hub and supporting rectifier on its outside surface
04/08/1992EP0479025A2 Device for the treatment of non-circular surfaces of work-pieces
04/08/1992EP0478814A1 Motor stator heat spike
03/1992
03/31/1992US5101128 System and method for cooling a submersible electric propulsor
03/24/1992US5099160 Powered hand tool having an enclosed-ventilated drive motor
03/24/1992US5097669 Control of hydrogen cooler employed in power generators
03/12/1992DE4028765A1 Heating and cooling system for shaded pole - equipped with longitudinal ribs on stator housing surrounded by heating jacket
03/10/1992US5095239 Varistor in an electric motor
03/10/1992US5095235 Vehicle ac generator
03/04/1992CN2098117U Infinitely variable speeds electric motor
03/03/1992US5093591 Alternating current generator with vented fan-like pulleys
03/03/1992US5093590 Linear motor driven conveying apparatus
02/1992
02/25/1992US5091666 Stator cooling system for electrical machinery
02/19/1992CN2096837U Wind colling system for round tube type straight electrical machinery
02/19/1992CN1058863A Rotor of motor having nobrush and their production method
02/18/1992US5088362 Drive for workpiece spindle of machine tool
02/04/1992US5086246 Salient pole rotor for a dynamoelectric machine
01/1992
01/29/1992CN2094824U Full-closed ventilation cooling electric magnetic speed regulating motor
01/29/1992CN1058184A 电动汽车 Electric vehicles
01/28/1992US5084642 Channel structure for coolant in motor
01/28/1992US5084641 Air-cooled type induction motor for use in vehicles having means to reduce exhaust air noise
01/23/1992WO1992001326A1 Rotor of brushless motor and manufacture thereof
01/15/1992EP0466187A1 Pump mounting structure of canned submersible motor for deep well pump
01/15/1992EP0465589A1 Clam-shell stator construction for electrical machines
01/14/1992US5081384 Cooled electric motor protecting components from coolant
01/14/1992US5081383 Rotor for vehicle dynamo
01/09/1992WO1992000627A1 Structure for cooling stator winding
01/09/1992DE4020416A1 Electrical generator for speed-boat current supply - has cooling medium fed through hollow spaces in armature shaft or armature
01/07/1992US5079464 Multiply compartmented dynamoelectric machine
01/01/1992CN1057552A Stator cooling system for electrical machinery
01/01/1992CN1057551A Liquid cooling rator of electrical machine
12/1991
12/31/1991US5075964 Method of making a cooling fan rotor for a rotating electrical machine in particular for an alternator for an automotive vehicle
12/27/1991EP0462647A1 Electric motor with two fans
12/26/1991WO1991020119A1 Electric machine, preferably rotary current generator for vehicles
12/19/1991DE4018710A1 Elektrische maschine, vorzugsweise drehstromgenerator fuer fahrzeuge Electric machine, preferably three-phase generator for vehicles
12/18/1991EP0461906A2 Stator cooling system for electrical machinery
12/18/1991EP0461905A2 Liquid cooling the rotor of a electrical machine
12/17/1991US5073736 Brushless pump motor with built-in electronic control
12/17/1991US5073734 Cooling device for a linear motor inductor
12/12/1991WO1991019347A1 Process for the manufacture of the stator of an electrical machine, preferably a three-phase alternator
12/12/1991WO1991019346A1 Electrical machine, preferably a three-phase alternator for motor vehicles
12/12/1991WO1991019345A1 Construction for cooling motor
12/11/1991EP0460259A1 Rotary machine
12/11/1991EP0460258A1 Rotary machine
12/10/1991US5072145 Composite center module housing using specifically shaped segments to form fluid channels
12/10/1991US5071322 Waterproof structure for fan motor
12/03/1991US5070267 Low-noise electric motor assembly for automotive blower
11/1991
11/28/1991WO1991017902A1 Electric automobile
11/27/1991EP0458080A1 Hand operated electrical machine tool
11/26/1991US5068555 Dust exhauster for a vacuum cleaner having improved cooling
11/13/1991CN2088758U Motor of electromagnetic speed regulating closed in armature
11/13/1991CN1014758B Oil-filled submergible electric pump motor with unvarnished stator structure
11/12/1991US5065062 Motor-drive industrial robot
11/12/1991US5065058 Shroud for dynamoelectric machine
11/12/1991US5064456 Liquid vapor purging system
11/06/1991EP0454664A1 Electric machine with vertical shaft.
11/05/1991US5062330 Machine tool with a cooled motor spindle
10/1991
10/30/1991EP0453616A1 Dynamic electric machine
10/30/1991CN2087840U Double-medium cooling low-noise electromagnetic speed-regulating motor
10/29/1991US5060720 Method and apparatus for cooling motors of cross flow blowers
10/23/1991EP0452518A1 Cooling system comprising an axial fan driven by an electric motor, particularly for use in a motor vehicle
10/22/1991US5060238 Laser oscillator device
10/22/1991US5059843 Locking end cover for rotary machine
10/22/1991US5058660 Shared coolant system for marine generator
10/09/1991CN2086332U Steel and lead compound motor fan
10/08/1991CA1290378C Subslot cover for dynamoelectric machine
10/08/1991CA1290300C Quiet centrifugal fan
10/03/1991WO1991015049A1 Structure for cooling stator
10/01/1991US5053666 Construction of reluctance motors
10/01/1991US5053658 Electrical machine, such as rotary current generator, having improved cooling
10/01/1991US5053657 Miniature motor
09/1991
09/26/1991DE4107962A1 AC generator for automobile - has permanent magnet rotor with axial and radial cooling
09/26/1991DE4009198A1 Dry running protection for split tube motor pump - has two auxiliary wheels for lubrication and cooling
09/25/1991CN1054860A Generator auxiliary mode lubrication system and method
09/24/1991US5051636 Dynamic electric machine
09/24/1991US5051634 Motor stator heat spike
09/18/1991EP0447215A2 Generator auxiliary mode lubrication system and method