Patents for H02K 9 - Systems for cooling or ventilating (16,917)
02/1987
02/17/1987US4644202 Sealed and balanced motor and fluid pump system
02/10/1987US4642495 Electric rotary machine having superconducting rotor
02/10/1987US4642493 Integrally air cooled linear induction motor
01/1987
01/29/1987WO1987000704A1 Generator rotor cooling
01/28/1987EP0210090A1 Alternator for automotive vehicles or the like
01/21/1987EP0209460A1 Induced rotors for electromagnetic retarders
01/21/1987EP0209364A2 Generator stator winding diagnostic system
01/21/1987CN85103288A 磨削机 Grinding Machine
01/15/1987DE3621918A1 Device for minimising the thermal stress of motor shafts
01/14/1987EP0208219A2 Electric motor structure
01/14/1987CN85105308A Cool air allocating device below the positioning sleeve of the turbine generator rotator exciting winding
01/06/1987US4634908 External rotor motor with screwed on motor flange
12/1986
12/31/1986CN85204546U Water cooled rectification hoop for non-brush exciter
12/30/1986EP0205616A1 End turn construction for dynamoelectric machines
12/17/1986CN86103343A Semi enclosed alternator
12/16/1986US4629917 Connecting device for the stator winding rods of electrical machines
12/09/1986US4627793 Motor-driven radial plunger pump
12/04/1986WO1986007211A1 Cooling of dynamoelectric machines
12/02/1986US4626720 Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air
11/1986
11/25/1986US4625133 Rotary electric machine with centrifugal filter
11/25/1986US4625132 Linear motor with seal
11/18/1986US4623810 Improved heat sink and shaft bearing support for thermo-plastic housing
11/11/1986US4621991 Quiet by-pass vacuum motor
11/04/1986US4621211 Electrical machine brushes and sliprings with brush dust collecting apparatus
11/04/1986US4621210 Electric generator cooling arrangement
10/1986
10/28/1986CA1213301A1 High speed generator rotor oil path air vent
10/23/1986WO1986006224A1 Electric generator
10/22/1986EP0198250A2 Hydraulic motor-pump set
10/22/1986CN86100951A Temp. monitoring system for an electric generator
10/08/1986EP0196444A1 Industrial sewing machine motor
10/08/1986CN86101921A Miniature motor
10/08/1986CN85102499A Electric machine used in washing machines for saving material
09/1986
09/30/1986US4614482 Pressure equalizing device for the electric motor of an encapsulated motor-pump assembly
09/09/1986US4611137 Cooling of dynamoelectric machines
09/09/1986CA1211146A1 Fan diffuser and collector combination for cooling systems in dynamoelectric machines
09/02/1986US4609840 Baffle for improving coolant gas flow distribution in the gap region of a gas cooled dynamoelectric machine
08/1986
08/27/1986EP0192599A2 Quiet by-pass vacuum motor
08/27/1986EP0192469A2 Electric motors and power tools
08/27/1986EP0192373A2 Temperature monitoring system for an electric generator
08/27/1986CN85100560A Water-cooled outer rotor salient pole synchronous electric machine
08/19/1986US4607181 High temperature submersible electric motor
08/13/1986CN85204547U Cylinder water-cooled commatation ring for non-electric brush exciter
08/12/1986US4604907 Reduction gear device for a coaxial type starter
08/05/1986US4604538 Air cooling for diode-rectified alternating current generators
08/05/1986CA1209189A1 Compact resistor assembly for rotary electric machine
08/05/1986CA1209186A1 High speed generator air vent for air gap
07/1986
07/29/1986US4602872 Temperature monitoring system for an electric generator
07/22/1986US4602177 Dynamoelectric machine
07/22/1986CA1208271A1 Rotor cooling in rotary electric machines
07/22/1986CA1208270A1 Liquid cooled high speed synchronous machine
07/15/1986US4600848 Cooling of dynamoelectric machines
07/03/1986WO1986003900A1 End turn construction for dynamoelectric machines
07/02/1986EP0185791A1 Method for cooling of an eddy-current brake
07/01/1986US4598223 End turn construction for dynamoelectric machines
07/01/1986US4597720 Cleaning apparatus for the wet cleaning of building walls and floors, swimming pools, automobiles and the like
06/1986
06/18/1986EP0184724A2 Electric motor, particularly for laundry washing machines
05/1986
05/27/1986CA1205058A1 Device for cooling motor end-turns in a compressor
05/22/1986WO1986003069A1 Liquid-cooled motor
05/22/1986WO1986003068A1 Liquid-cooled motor
05/21/1986EP0181365A1 Electric motors and stators therefor
05/20/1986US4589855 Forced air-cooled vehicular-type alternator
05/13/1986US4588911 Alternating current generator rotor and fan
05/10/1986CN85107776A Water-cooling rectifier ring for brushless exciter
05/10/1986CN85107772A Cylinder water-cooling rectifier ring for brushless exciter
05/07/1986EP0179799A1 Centrifugal oil pump flow proportioning and cooling system.
04/1986
04/22/1986US4584496 Internally force-ventilated claw-pole alternator, particularly for automotive use
04/16/1986EP0177925A1 A motor pump unit for a high-pressure cleaning unit
04/09/1986CN85200645U Closed type asynchronous motor using axial-flow wind direct cooling stator
04/08/1986US4580471 Motor-incorporated spindle head unit
04/01/1986US4580071 Generator cooling apparatus
03/1986
03/26/1986EP0175083A1 Stator coil conductor connecting device of an electrical machine
03/19/1986EP0174783A2 Linear induction motors
03/18/1986US4577127 Lightweight electric robotic actuator
03/18/1986EP0161314A4 Generator armature cooling and air gap sealing system.
03/12/1986EP0174267A1 Electric rotary machine with monitoring of the fluid coolant circuit
03/11/1986CA1201746A1 Motor pump
03/04/1986US4574210 External rotor motor having a cooling system
03/04/1986US4573559 Subway electric motor and fan construction
03/04/1986US4573324 Compressor motor housing as an economizer and motor cooler in a refrigeration system
02/1986
02/26/1986EP0172397A1 Electric machine with indirectly-cooled stator winding
02/18/1986CA1200830A1 Electric motor drive for a slow-running annular rotor of a processing machine
02/11/1986US4569638 Pump with resiliently mounted impeller
01/1986
01/28/1986US4566864 Electric fan device for automotive vehicle
01/21/1986US4565936 Rotor for rotary machine
01/21/1986US4565503 Device for cooling motor end-turns in a compressor
01/15/1986EP0167749A1 Outer rotor-type motor with screwed-on end plate
01/14/1986US4564775 Device for rotatably driving a cooling fan of an electric rotating machine
01/08/1986EP0166990A1 Device for distributing a cooling gas at an excitation winding end under the retaining ring of a turbo generator rotor
12/1985
12/31/1985US4562367 Low inertia, speed variable induction motor
12/04/1985EP0163126A1 Electric pumping device
11/1985
11/21/1985WO1985005232A1 Electric motors and stators therefor
11/21/1985WO1985005157A1 Centrifugal oil pump flow proportioning and cooling system
11/21/1985EP0161314A1 Generator armature cooling and air gap sealing system.
11/19/1985US4554472 Low inertia induction motor
11/13/1985EP0161208A1 Electric machine with a current supply across the brushes and slip rings to the rotor
11/12/1985US4553055 Cooling arrangement for an enclosed electric machine
11/07/1985EP0151582A4 Liquid cooled high speed synchronous machines.
10/1985
10/22/1985US4549103 Multi-path cooling in an AC generator for a vehicle
10/15/1985US4547688 Dynamoelectric machine with rotor ventilation system including prewhirl inlet guide vanes
10/15/1985US4547687 Micromotor with built-in cooling medium pipes