| Patents for H02K 9 - Systems for cooling or ventilating (16,917) |
|---|
| 08/02/1994 | US5333680 Cooling system for the chamber of a generator/transmission unit |
| 07/28/1994 | DE4302042A1 Compact, flat construction electromotor |
| 07/27/1994 | EP0608177A1 Asynchronous motor with changeable speed and forced ventilation |
| 07/26/1994 | US5331819 Superconducting rotating apparatus |
| 07/19/1994 | US5331244 Permanent magnet DC machine having meander-like stator windings for producing high torque without excessive heating |
| 07/19/1994 | US5331239 Inverter integral type motor |
| 07/19/1994 | US5331238 Apparatus for containment and cooling of a core within a housing |
| 07/14/1994 | DE4300401A1 Electric fan for vehicle heating or air-conditioning system |
| 07/13/1994 | CN1025450C Cooling apparatus for power machine |
| 07/12/1994 | US5329199 Rotor assembly with molded fans and method for making the same |
| 07/06/1994 | EP0604646A1 Electric machine |
| 07/06/1994 | EP0604627A1 Electric machine |
| 07/06/1994 | EP0604503A1 Cooling system for electric motors. |
| 07/05/1994 | US5327034 Electrically motorized wheel assembly |
| 07/05/1994 | US5325725 Water cooled stator winding leak detector |
| 06/30/1994 | DE4243716A1 Bearing end plate for small DC commutator motors |
| 06/28/1994 | US5325002 Trapped-field, superconducting, induction-synchronous motor/generator having improved startup torque |
| 06/16/1994 | DE4242132A1 Totally enclosed electrical machine - has inner ventilators at ends of rotor shaft creating circulation of cooling medium in cooling channels in rotor plate packages |
| 06/15/1994 | EP0601826A1 Generator rotor collector terminal stud hydrogen seal |
| 06/15/1994 | EP0601751A1 Electric-motor in-line integrated hydraulic pump |
| 06/14/1994 | US5320501 Electric motor driven hydraulic apparatus with an integrated pump |
| 06/10/1994 | CA2103421A1 Generator rotor collector terminal stud hydrogen seal |
| 06/09/1994 | WO1994013052A1 High power self-controlled multi-phase synchronous machine |
| 06/08/1994 | CN1087761A Discharging of waste gas containing hydrogen and remained gas from motor filled with hydrogen |
| 06/07/1994 | US5319272 Miniature rotating rectifier assembly |
| 06/01/1994 | DE4317783C1 Sealing system for electrical fan motor designed as outside rotor motor - has fan blades arranged at rotor, and stator of motor is arranged essentially inside cup-shaped reception section of fan cowl of separately vented motor |
| 05/31/1994 | US5317224 Electric machine with means for guiding cooling air supplied from outside of the machine |
| 05/26/1994 | DE4238925A1 Electric motor with cooled outer wall - consisting of metallic material with which brushes of one polarity arranged on inner side are in direct contact |
| 05/24/1994 | US5315193 Hand-guided machine tool comprising a radial blower |
| 05/24/1994 | US5313698 Process for the manufacture of the stator of an electrical machine |
| 05/19/1994 | DE4238999C1 Drehstromgenerator Alternator |
| 05/19/1994 | DE4238564A1 Electric power-driven tool cooled by suction of air through motor - is switched off automatically by disconnection of vacuum hose or insufficiency of vacuum in cooling-air extn. tube |
| 05/11/1994 | WO1994010740A1 Disposal of waste gas containing hydrogen and residual gases from an electric machine filled with hydrogen |
| 05/11/1994 | WO1994010739A1 Process for removing hydrogen from a hydrogen-filled electric machine |
| 05/10/1994 | US5311089 Hand machine tool |
| 05/05/1994 | DE4236542A1 Spindle for a lathe - has rotor of electric motor mounted on spindle between bearings and end sleeves for liquid cooling |
| 05/04/1994 | EP0513003B1 Hand machine-tool with radial fan |
| 04/27/1994 | EP0593913A2 Electrically driven hydraulic pump |
| 04/26/1994 | US5306972 AC motor system |
| 04/21/1994 | DE4244721A1 Elektrische Maschine mit fluidgekühlten Halbleiterelementen Electrical machine with fluid-cooled semiconductor elements |
| 04/20/1994 | CN1085694A Brushless motor |
| 04/19/1994 | US5304883 Ring wound stator having variable cross section conductors |
| 04/13/1994 | EP0401287B1 Power-operated device with a cooling facility |
| 04/07/1994 | DE4333613A1 Cooling system for electric motor vehicle with electric drive motor - includes pump and cooling line for non-freezing coolant soln. which is force-circulated through pipeline for cooling heat produced by electric drive motor and cooled by radiator and fan. |
| 04/06/1994 | EP0590867A1 Ship propulsion arrangement |
| 04/06/1994 | CN2161015Y Water inlet supporting seat for electric generator rotor |
| 04/05/1994 | US5300847 Rotor of an electrical machine having an excitation current supply line |
| 04/05/1994 | US5299554 Burner for a motor vehicle heater |
| 03/31/1994 | DE4232322A1 Cooling device for induction or DC motor - has extra cooling jackets around rotor shaft between core-ends and bearings, connected with main stator coolant circuit |
| 03/31/1994 | DE4231967A1 Alternator for motor vehicle current supply - has cooling channels provided between peripherally spaced stator lamination segments |
| 03/30/1994 | EP0589187A1 Totally enclosed liquid-cooled, fully enclosed electrical engine |
| 03/24/1994 | DE4231784A1 Electrically-driven hydraulic pump - cools control stage for collectorless electric motor by hydraulic fluid handled by pump |
| 03/23/1994 | EP0587812A1 Electrical machines. |
| 03/22/1994 | US5296772 For a dynamoelectric machine |
| 03/22/1994 | US5296770 Electric machine, preferably rotary current generator for vehicles |
| 03/22/1994 | US5296769 Air guide assembly for an electric motor and methods of making |
| 03/17/1994 | WO1994006196A1 Electric motor |
| 03/17/1994 | WO1994006195A1 Molded resin motor housing |
| 03/17/1994 | DE4230379A1 Electric drive motor for power tool or domestic appliance - with rotor shaft acting as heat pipe having hollow space partially filled with liquid |
| 03/10/1994 | DE4229395A1 Surface-cooled encapsulated electric motor |
| 03/09/1994 | EP0585644A1 Totally enclosed liquid-cooled, fully enclosed electrical engine |
| 03/08/1994 | US5293089 Liquid-cooled electric generator |
| 03/01/1994 | US5291087 Sealed electric motor assembly |
| 02/24/1994 | DE4143383A1 Axial fan for condenser in vehicle air conditioning system |
| 02/23/1994 | EP0583301A1 Electrically drivable motor vehicle. |
| 02/23/1994 | CN1082778A Refitting and cooling method for high temperature heavy load motor |
| 02/22/1994 | US5287726 For purging coolant lines of transformers and/or dynamoelectric stators |
| 02/17/1994 | WO1994003960A1 Electric machine system |
| 02/15/1994 | US5285563 Method of making a static electromagnetic inductor |
| 02/09/1994 | EP0582563A1 Direct drive for a wheel of a railway vehicle |
| 02/09/1994 | EP0581966A1 Motor equipped with stator cooling means |
| 02/09/1994 | EP0581841A1 Tubular turbine synchronous generator. |
| 02/08/1994 | US5285123 Turbo-generator |
| 02/08/1994 | US5284076 Device for the non-circular machining of workpieces |
| 02/03/1994 | WO1994002986A1 Electric machine |
| 02/03/1994 | WO1994002985A1 Electric machine |
| 02/03/1994 | WO1994002984A1 Electric machine |
| 02/03/1994 | DE4225158A1 Elektromaschinensystem Electric machine system |
| 02/03/1994 | DE4223831A1 Elektrisch erregte Transversalfluß-Maschine Electrically excited transverse flux machine |
| 02/02/1994 | EP0580854A1 Trapped-field, superconducting, induction-synchronous motor/generator having improved startup torque |
| 02/02/1994 | CN2155099Y A.c speed governing explosion-proof oil cooling electric cylinder |
| 02/01/1994 | US5283493 Cold air cooling of brushes for motorized wheels |
| 02/01/1994 | US5283488 For an electrical generator |
| 01/25/1994 | US5281106 Radial-blade double-inlet fan |
| 01/20/1994 | WO1994001920A1 Brushless motor |
| 01/20/1994 | WO1994001917A1 Electric motor-wheel |
| 01/20/1994 | DE4229038A1 Cooling fan attachment for electric motor - uses electromagnetic induction between source part attached to machine shaft and fan wheel for rotation of latter |
| 01/20/1994 | CA2139584A1 Brushless motor |
| 01/13/1994 | DE4222131A1 Separate cooling device for electrical machines - has additional plenum chamber between air intake mesh of fan shell and fan inlet nozzles |
| 01/12/1994 | EP0578390A1 An integrated electric motor-driven inline hydraulic apparatus |
| 01/05/1994 | CN2152339Y Power saving device for motor |
| 01/05/1994 | CN1080367A Motor fan with double-face symmetroid vanes |
| 01/04/1994 | US5276374 Gas-cooled electric machine |
| 01/04/1994 | US5276373 Gas-cooled electric machine |
| 12/28/1993 | US5273358 Quiet and efficient motor cooling fan assembly for a blender |
| 12/22/1993 | EP0574731A1 Hand-held machine tool with ventilated motor |
| 12/21/1993 | US5271248 Dual cooling system |
| 12/16/1993 | DE4217289A1 Fluid-cooled power transistor device, e.g. IGBT, MOSFET or BIMOS for controlling machine |
| 12/15/1993 | CN2149714Y Electric motor with heat-tube cooling means |
| 12/14/1993 | CA1325145C Cogeneration system |