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