| Patents for H02K 9 - Systems for cooling or ventilating (16,917) |
|---|
| 03/13/1990 | US4908538 Totally enclosed electric motor |
| 03/13/1990 | US4908347 Dynamoelectric machine with diamagnetic flux shield |
| 03/07/1990 | CN2054228U Shielded motor with rolling bearing |
| 03/07/1990 | CN1040291A Armature for electric motor |
| 03/06/1990 | US4906878 Fluid circulated linear motor for robotic systems |
| 02/28/1990 | EP0355171A1 Pipe joint structure for cooling piping of liquid-cooled motor |
| 02/27/1990 | US4904891 Ventilated electric motor assembly |
| 02/27/1990 | US4904890 Bore pack exciter cooling system |
| 02/27/1990 | US4903497 Methods and devices for cooling a motor of a refrigerating machine with liquid and economizer gas |
| 02/22/1990 | WO1990001824A1 Stator support structure with stamped end plates |
| 02/22/1990 | DE3827902A1 Self-ventilated electric motor, especially for spinning-mill machines |
| 02/21/1990 | CN1006946B Water outlet for internally water-cooled rotor of concedled pole turbogenerator |
| 02/21/1990 | CN1006945B Water-exhaust equipment for internal water cooled rotor of electrode-concealed turbogenerator |
| 02/20/1990 | US4902922 Alternator rotor, particularly for motor vehicles |
| 02/20/1990 | CA1266077A1 Motor cooling fan housing |
| 02/20/1990 | CA1266076A1 Quiet by-pass vacuum motor |
| 02/13/1990 | US4900957 Fan drive with water slinger seal |
| 02/13/1990 | US4899555 Evaporator feed system with flash cooled motor |
| 02/07/1990 | EP0354156A2 Ventilated electric motor assembly |
| 01/31/1990 | CN1039333A Railing-shaped casing |
| 01/30/1990 | US4897570 Starter motor for automitove engine |
| 01/30/1990 | CA1265180A1 High speed induction motor with a squirrel cage rotor having end rings and non-magnetic spacers |
| 01/25/1990 | WO1990000828A1 Hand-held power-tool with enclosed-ventilation drive motor |
| 01/23/1990 | US4895005 Motor terminal box mounted solid state starter |
| 01/17/1990 | EP0350750A1 Temperature activated cooling fan assembly |
| 01/17/1990 | CN1006512B Cool air allocating device below the positioning sleeve of the turbine generator rotator exciting winding |
| 01/16/1990 | US4894575 Bolted spherical series/phase generator connections |
| 01/10/1990 | EP0350360A1 Frequency-agility magnetron with a tuning motor using enhanced cooling |
| 01/10/1990 | EP0349801A2 Dynamoelectric machine with diamagnetic flux shield |
| 01/10/1990 | CN1038727A Oil-filled submergible electric pump motor with unvarnished stator structure |
| 12/28/1989 | WO1989012921A1 Laser oscillator |
| 12/28/1989 | DE3920631A1 Stator for electric motors |
| 12/27/1989 | EP0347533A2 Canned pump |
| 12/27/1989 | CN2050234U Miniature low-noise three-phase asynchronous motor |
| 12/27/1989 | CA1264088A1 Generator stator winding diagnostic system |
| 12/20/1989 | EP0346730A2 Submersible pump assembly |
| 12/19/1989 | US4888510 Rotary electric machine |
| 12/06/1989 | EP0345080A2 Molded multi-part generator fan |
| 12/06/1989 | CN2049040U Directional blowdown two-way blade for undirectional turn motor |
| 12/06/1989 | CN2049039U Integrated ac generator for vehicle |
| 12/05/1989 | US4885494 Motor and motor device |
| 11/30/1989 | DE3809149C1 Control of the cooling-water flow rate in water-cooled drive units |
| 11/28/1989 | US4883995 Automatic oil draining system for generators |
| 11/28/1989 | US4883982 Electronically commutated motor, blower integral therewith, and stationary and rotatable assemblies therefor |
| 11/28/1989 | US4883408 Motor fan retention on a non-stepped shaft |
| 11/23/1989 | EP0342554A1 Liquid-cooled electric machine |
| 11/21/1989 | US4882510 Motor cooling and particulate trapping structure |
| 11/16/1989 | WO1989011176A1 Electric machine, in particular tubular generator |
| 11/15/1989 | CN2047855U New-type brushless generator |
| 11/09/1989 | DE3814789A1 Cooling arrangement for machines in underground mining |
| 11/08/1989 | CN1037057A Superconduction magnetic shielding alternate current generator without sliding contaction |
| 11/07/1989 | US4879483 Molded multi-part generator fan |
| 10/31/1989 | US4877984 Electric motor and pump mounting bracket assembly and method of making |
| 10/24/1989 | US4876470 Gas-cooled electric machine |
| 10/18/1989 | CN1036484A Novel brush-free electric generator |
| 10/17/1989 | US4874972 Magnetic isolation and cooling system in dynamoelectric machines |
| 10/12/1989 | DE3910451A1 Method for cooling a three-phase alternator, and an oil-cooled three-phase alternator |
| 10/04/1989 | EP0161314B1 Generator armature cooling and air gap sealing system |
| 10/03/1989 | US4871922 Enclosure for engine driven generator set |
| 09/26/1989 | US4870393 Method and apparatus for determining generator ventilation system failure using two differential pressure sensors |
| 09/26/1989 | US4870307 Block-mounted water cooled ac generator |
| 09/26/1989 | CA1260520A1 Fluid cooled acyclic generator having a conductor diffusion bonded to a magnetic steel core |
| 09/26/1989 | CA1260061A1 Diagnostic apparatus for an electric generator seal oil system |
| 09/26/1989 | CA1260050A1 Liquid-cooled electric motor structure |
| 09/21/1989 | DE3808020A1 Impeller drive for variable-speed drives, especially in the case of inertia-mass drives |
| 09/19/1989 | US4868437 Temperature activated cooling fan assembly |
| 09/13/1989 | CN1035591A Apparatus and method for insulating stator coil vent tubes |
| 09/12/1989 | US4866320 Fan assembly |
| 09/12/1989 | US4864974 Cooling apparatus for a starter motor and/or a generator for a car |
| 09/08/1989 | WO1989008345A1 Power-operated device with a cooling facility |
| 09/05/1989 | US4864176 Stator support structure with stamped end plates |
| 09/05/1989 | US4864172 Method and apparatus for cooling an eddy current powder absorption unit |
| 09/05/1989 | CA1259091A1 Electric machine for monitoring the liquid cooling cycle |
| 08/30/1989 | EP0329790A1 Method of motor cooling |
| 08/29/1989 | US4862024 Heat dissipation in an electric motor |
| 08/22/1989 | US4859887 Synchronous machine |
| 08/22/1989 | US4859886 Portable engine-operated electric generator |
| 08/16/1989 | EP0327538A1 Fluid circulated linear motor for robotic systems |
| 08/16/1989 | CN2043022U Cooling for electric motor |
| 08/10/1989 | WO1989007360A1 Pipe joint structure for cooling piping of liquid-cooled motor |
| 08/10/1989 | DE3802949A1 Air ventilator with small capacity in water operation |
| 08/09/1989 | EP0327338A2 Vehicular AC generator and manufacturing method therefor |
| 08/09/1989 | CN1034640A Ventilated gusset for single-layer turns in dynamoelectric machine |
| 08/08/1989 | US4854373 Heat exchanger for a pump motor |
| 08/01/1989 | US4853566 Apparatus for ventilating an electric motor for textile spinning mill machines |
| 08/01/1989 | US4852245 Toothless stator electrical machine construction method |
| 07/25/1989 | US4851723 Coolant pump system for variable speed generators |
| 07/19/1989 | EP0324252A1 Rotary electric machine |
| 07/18/1989 | CA1257637A1 Semi enclosed alternator |
| 07/13/1989 | WO1989006163A1 Liquid vapor purging system |
| 07/11/1989 | US4847513 Power-operated device with a cooling facility |
| 07/05/1989 | EP0322893A2 A polarization diversity optical receiving apparatus |
| 07/05/1989 | CN2040678U Armature for electric motor |
| 07/05/1989 | CN1004742B Cylinder water-cooling rectifier ring for brushless exciter |
| 07/04/1989 | US4845394 Electric machine with a closed cooling loop |
| 06/28/1989 | EP0322191A2 Cooling end turns in dynamoelectric machines |
| 06/20/1989 | US4841182 Rectifier in alternating generators for automotive vehicles |
| 06/20/1989 | US4840538 Interpolar body for cooling salient-type rotor by ventilation |
| 06/13/1989 | US4839549 Cover assembly to protect an electric motor centrifugal actuator |
| 06/13/1989 | US4839547 Motor frame and motor with increased cooling capacity |