Patents for H02K 9 - Systems for cooling or ventilating (16,917)
03/1993
03/16/1993US5194770 Vehicular a.c. generator
03/11/1993DE4130016A1 Elektronisch kommutierte gleichstrommaschine Electronically commutated DC machine
03/10/1993EP0531267A2 Motor cooling device
03/04/1993WO1993004351A1 Method and apparatus for liquid cooled generator stator test and preparation therefor
03/03/1993EP0529045A1 Controlled motor.
03/02/1993US5191254 Minimum length, air cooled ac generator arrangement
03/02/1993US5191247 Substantially noiseless fan for internally cooling electric motors
02/1993
02/23/1993US5189325 Liquid cooling the rotor of an electrical machine
02/10/1993EP0526599A1 Electronically switched d.c. machine
02/09/1993US5185544 Ventilation structure in a vertically mounted motor
02/02/1993US5183975 Muffler for a cooling system of an electric motor
01/1993
01/26/1993US5181837 Electric motor driven inline hydraulic apparatus
01/20/1993EP0523353A1 Heat resistant and explosion-proof type permanent magnetic synchronous motor
01/13/1993EP0522953A1 Motor air fan
01/13/1993EP0522210A1 Cooling system of a rotating electrical machine and electrical machine for carrying out such a system
01/07/1993EP0521313A1 Double suction radial flow blower
01/07/1993EP0521285A1 Axial fan, in particular for cooling an airconditioning condensor located in front of a cooler of a vehicle
01/05/1993US5177388 Tandem type alternator
01/05/1993US5177385 Air gap baffle ring for a dynamoelectric machine
12/1992
12/29/1992CA1312109C Oil-filled submergible electric pump motor with unvarnished stator structure
12/23/1992EP0519091A1 Gaseous cooled electrical machine
12/10/1992WO1992022121A1 Electrical machines
12/10/1992CA2109821A1 Electrical machines
12/09/1992EP0517060A1 Method and apparatus for cooling hot spots in platen of linear motor system
11/1992
11/26/1992WO1992020545A1 Electrically drivable motor vehicle
11/26/1992WO1992020268A1 Household appliance having a fan-cooled electric driving motor
11/26/1992WO1992011682A3 Electronically switched d.c. machine
11/19/1992EP0513575A1 Electric machine
11/19/1992EP0513483A1 Electric household food processor
11/12/1992DE4213132A1 Elektrisch antreibbares kraftfahrzeug Electrically powered motor vehicle
11/12/1992DE4115473A1 Haushaltsgeraet mit einem durch ein luefterrad gekuehlten elektrischen antriebsmotor Haushaltsgeraet with a fan-cooled by an electric drive motor
11/12/1992CA2066957A1 Electrically powered food processing apparatus
11/11/1992CA2068369A1 Electrical machine
11/03/1992US5160881 Alternator for a motor vehicle having a ventilator and device for monitoring and a controlling the ventilator
11/03/1992US5160864 Oil-cooled alternator
10/1992
10/28/1992EP0510984A1 Miniature electric motor
10/25/1992WO1992020134A1 Tubular turbine synchronous generator
10/25/1992CA2108769A1 Tubular turbine synchronous generator
10/21/1992EP0509724A1 Power transmission
10/20/1992US5156579 Lubricating device for a vehicle motor
10/19/1992CA2066023A1 Power transmission
10/15/1992WO1992017932A1 Liquid-cooled electric motor having pipe for cooling liquid inside motor housing
10/14/1992CN1065358A Over-generating and energy-saving method and device for generator
10/07/1992EP0507274A2 Submersible pump protection for hostile environments
10/05/1992CA2062590A1 Submersible pump protection for hostile environments
10/01/1992WO1992016993A1 Controlled motor
09/1992
09/30/1992EP0505663A1 An operation apparatus for a sewing machine
09/30/1992EP0505369A1 Liquid-cooled electric generator.
09/29/1992CA1308154C Fan drive with water slinger seal
09/23/1992CN2116986U Insulator drain pipe of generator rotor
09/22/1992US5149997 Fan for an electrically operated machine
09/22/1992US5149141 Internally-located rotating union for a motor-generator set
09/17/1992WO1992016042A1 Power-generator unit with cooled core
09/17/1992DE4108074A1 Gesteuerter motor Controlled motor
09/16/1992EP0503093A1 Liquid cooling device of motor
09/10/1992DE4107399A1 Electromagnetic energy converter with stator made of dynamo plate - has rotor located in stator area, stator being formed as supporting part with recesses for guiding coolant
09/09/1992EP0502216A1 Cooling device of rotating member
09/08/1992US5145298 High speed drill spindle
09/08/1992US5144815 Thermal valve for compressor
09/03/1992DE4106497A1 Stromerzeuger Power Generator
09/02/1992CN2114917U Out cooling fan for motor
09/01/1992US5144177 Canned motor pump with heat exchanger in rotor chamber
09/01/1992US5144175 Cooling fan for electric motors
08/1992
08/26/1992EP0500442A1 Fan rotor for rotating electric machines, particularly for alternators for cars
08/18/1992US5140204 Heat pipes for cooling pole windings of salient pole machines
08/18/1992US5139055 Liquid cooled electric generating apparatus and method for filling a liquid circulation system therein
08/13/1992DE4104129A1 High power ergometer with ventilated eddy-current brake - eliminates need for motor-driven fan by exploitation of natural convection when rotor is at standstill
08/12/1992CN1017852B Miniature motor
08/12/1992CA2060920A1 Control of hydrogen cooler employed in power generators
08/11/1992US5138208 Small size electric motor
08/11/1992US5138206 Method and apparatus for cooling hot spots in platen of linear motor system
08/06/1992WO1992013382A1 Cooling system for linear induction motor
08/06/1992DE4103154A1 Submersible-pump motor with axially grooved stator surface - provides return channels for motor winding coolant flow with no increase in external dia. of housing
08/04/1992CA1305994C Electronically commutated motor, blower integral therewith, and stationary and rotable assemblies therefor
08/04/1992CA1305993C Ventilated gusset for single-layer turns in a dynamoelectric machine
07/1992
07/30/1992DE4102321A1 Ventilator wheel for three=phase alternator of motor vehicle - is made of metal plate with central disc part having outwardly extending blades with reinforcement seams
07/28/1992US5134329 Self-ventilated electrical machine with arrangement to facilitate assembly and dismantling of the ventilator disk
07/28/1992US5134328 Submersible pump protection for hostile environments
07/21/1992US5132581 AC generator with annular permanent magnets
07/15/1992EP0494810A1 Process for manufacturing a static electromagnetic inductor
07/14/1992US5130585 Hollow shaft motor
07/08/1992EP0493704A1 Electric motor
07/08/1992CN2109655U Improved structure small heat exhausting fan dc motor
07/07/1992US5127485 Electric motorized wheel with integral motorized cooling oil pump
07/07/1992US5127148 Method of fabricating a dynameoelectric machine
07/07/1992CA1304769C End frame and stator assembly for a dynamoelectric machine
07/01/1992EP0492877A1 Automotive intake manifold with integral alternator
07/01/1992EP0492097A2 Rotor for use in a miniature motor
07/01/1992EP0491698A1 High speed drill spindle
06/1992
06/25/1992WO1992011682A2 Electronically switched d.c. machine
06/25/1992WO1992010873A1 Motor having integral detent
06/25/1992CA2075801A1 Electronically switched d.c. machine
06/23/1992US5124600 Integral silencer for electric motors
06/21/1992WO1992011684A1 Methods and apparatus for ventilating electric machines
06/21/1992CA2053633A1 Automotive intake manifold with integral alternator
06/16/1992US5122704 Polyimide protective coating to prevent leakage of coolant
06/09/1992US5121341 Method and apparatus for automatically reoiling an electric generator
06/09/1992CA1303108C Stator support structure with stamped end plates
06/03/1992EP0488961A1 A fan, particularly for motor vehicles
06/03/1992CN1016918B Ventilated gusset for single-layer turns in dynamoelectric machine