Matches 1 - 50 out of 95 1 2 >


Match Document Document Title
US20150130306 MOTOR  
A motor includes an impeller including a plurality of blades arranged in a circumferential direction and fixed to a shaft between a cover portion and an armature. The cover portion includes at...
US20140091653 MOTOR HAVING HIGHLY-EFFICIENT AIR-COOLING STRUCTURE  
A motor with an air-cooling structure having high cooling efficiency and capable of avoiding an increase in the size of the motor. A stator of the motor has an air flow channel being formed in the...
US20110304230 Fan, electric motor, and machine tool  
A fan having an air guide and a flywheel is provided, the flywheel being attached to a shaft, for cooling an electric motor. The electric motor has a rotor which can be attached to the shaft. The...
US20140319940 ORBITAL MOTOR AND GENERATOR  
Described herein is a technology for an electric motor system that reduces stress in motor shaft bearings. Furthermore, the electric motor system that provides an adequate heat ventilation is...
US20130119795 TOTALLY-ENCLOSED FAN-COOLED MOTOR  
The totally-enclosed fan-cooled motor includes the stator; the rotor; the drive side bracket; the counter drive side bracket; a pair of the bearings; the external fan that sends cooling air to the...
US20100148602 OIL RETAINER COOLING ASSEMBLY FOR AN ELECTRIC MOTOR  
An electric motor having an oil retainer cooling assembly fixed onto the motor shaft between the rotor assembly and support bearing within the motor housing. The retainer cooling assembly is a...
US20130300230 ELECTRIC MOTOR HAVING AIR PURGE FUNCTION  
An electric motor including a housing; an output shaft stuck out from an end face of the housing; an air purge device having an inner circumferential surface and a mounting surface, the inner...
US20130082550 MOTOR ASSEMBLY WITH INTEGRATED COOLING MEANS AND ENCLOSED COMPARTMENT FOR ELECTRONIC CIRCUITRY  
A motor assembly includes a structural unit for mounting a motor, for mounting and enclosing electronic circuitry, and for providing a corridor for air to flow and cool the motor and/or the...
US20110025147 Motor Assembly with a Thermally Conductive Bridging Member  
A motor assembly includes a housing, a revolving shaft revolvably mounted in the housing, a magnet mounting portion surrounding and rotatable with the revolving shaft, a magnet disposed on the...
US20130241329 ELECTRIC MOTOR  
According to one embodiment, an electric motor includes a stator, a rotor, bearings and a rotor shaft, in a frame, supporting surfaces on the rotor, and a plurality of threaded holes in the frame,...
US20140076953 Motor and Electronics Cooling System for a High Power Cordless Nailer  
A battery powered tool includes a housing containing a motor assembly. A fan positioned in the housing is rotated by the motor assembly. The fan has a circular ring/body and further has multiple...
US20140265669 Centrifugal Heat Dissipation Device and Motor Using Same  
A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a...
US20150061429 Blower  
The blower comprises: a blower case; a motor case; and a shaft pierced through the both cases. A first communication hole, which is formed in one of axial end faces of the motor case, introduces a...
US20150180312 ELECTRIC MACHINE  
The invention relates to an electric machine supplied with air for cooling purposes. The air is heated during operation of the electric machine and is removed in the form of exhaust air. The...
US20110227432 ROTATING ELECTRICAL MACHINE  
A rotating electrical machine includes a flange provided at one end of a substantially rectangular, hollow frame in an axial direction; a lid provided at the other end of the frame in the axial...
US20150258550 COOLED MOTOR FOR A PAPER SHREDDER  
A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents...
US20140034766 COOLED MOTOR FOR A PAPER SHREDDER  
A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents...
US20070024131 Ventilator for an alternator-starter  
This invention relates to a ventilator for an alternator-starter fixed on a rotor (4) with magnetic poles including: a metal insert (13) which is used to fix the ventilator to the rotor: an end...
US20130076172 Electric Motor  
An electric motor is disclosed that includes a first electric motor frame; a second electric motor frame positioned outside the first electric motor frame; a first ventilation path between the...
US20140183990 ARRANGEMENT AND METHOD FOR COOLING AN ELECTRIC MACHINE  
A method and an arrangement for cooling an electric machine, including an electric machine and at least one blower connected to an axle of the electric machine for blowing a cooling agent into the...
US20120212086 ELECTRIC MOTOR  
In one embodiment, an electric motor. A first bracket is fixed to the first side of a stator core in an axial direction, and is fixed to first bearing housing. A second bracket is fixed to the...
US20120112577 ELEVATOR MACHINE WITH EXTERNAL ROTOR AND MOTOR WITHIN TRACTION SHEAVE  
A drive machine (10) for elevators has a rotatable drive sheave (18) that has an inner surface and an outer surface with at least one groove (34) for receiving a hoist rope. A rotor (36) is...
US20130307357 Permanent Magnet Motor with a Closed Cooling System  
An electric, permanent magnet motor (10) is described, where the motor comprises a motor housing (12) with a stator (14) and an internal rotating rotor (16) connected to a central shaft (24), as...
US20120286600 INDUCTION MACHINE POWER CONNECTION BOX INCLUDING POWER SUPPLY FOR AUXILIARY DEVICES INCLUDING AUXILIARY COOLING FANS  
An alternating current (AC) induction machine, such as a medium voltage induction motor, includes an auxiliary electrical connection box that is incorporated in the terminal box or within separate...
US20120286599 GENERATOR WITH INTEGRATED BLOWER  
An air-cooled generator may be provided with a centrifugal blower configured for rotation on a shaft of the generator. The centrifugal blower may have an axially oriented outlet. An impeller of...
US20140028126 ELECTRIC DRIVE MOTOR FOR A WORK APPARATUS  
An electric drive motor for a work apparatus includes a stator having two stator poles which are at a distance from one another in the circumferential direction and have respective field windings....
US20110023448 INERTIA WHEEL WITH PROGRESSIVE RUN UP  
A driving device for a motor 15 is disclosed, the device including an inertia wheel 16, a free wheel 18 able to ensure a unidirectional automatic clutching on a torque reversal between the inertia...
US20150130386 Methods and Apparatus for a Motor  
Methods and apparatus for a motor generally comprise a motor shell, a drive unit, a motor electronics assembly configured to operate the drive unit, and a shaft coupled to the drive unit. The...
US20080116753 APPLIANCES WITH BRUSHLESS MOTORS  
A portable electric appliance (1, 23) such as a hand held hair dryer uses a brushless electric motor (13, 25) in combination with a secondary fan assembly (14) and/or an air scoop (24) to redirect...
US20120013208 Motor for Vehicle  
A motor for a vehicle is installed in a railway train and has a fan that is mounted on a rotor shaft and that causes the outside air into the motor. The motor for a vehicle includes a stopper that...
US20070096589 Electric machine rotor fan and pole retention feature  
Disclosed herein is a rotor assembly for an electric machine which includes a shaft having a slip ring end. A first pole segment rotatable with the shaft. A second pole segment rotatable with the...
US20150104340 Draft Inducer for Low Power Multistage Furnaces Utilizing an Electronically Commutated Motor System and an Associated Method of Use  
A furnace assembly comprising a non-condensing furnace with a draft inducer. The draft inducer includes a permanent magnet electrically commutated motor and a draft inducer blower fan. The motor...
US20080185926 Self-Disengaging Fan For an Elecromagnetic Retarder  
The invention relates to a self-disengaging embodiment for a fan in an electromagnetic retarder. The retarder comprises a rotating shaft, a rotor rotationally fixed to the rotating shaft,...
US20110227433 ELECTRICAL MOTOR APPARATUS HAVING IMPROVED COOLING SYSTEM  
An electric motor apparatus having an improved cooling system comprising a first compartment housing an electric motor mounted on a rotating shaft, a second compartment housing an electric circuit...
US20100033041 COUNTER-ROTATING AXIAL-FLOW FAN  
A counter-rotating axial-flow fan is provided that is capable of increasing effect of cooling a stator. One or more through-holes 83 penetrating support frame bodies (21, 75) in the axial...
US20150042189 BRUSH ASSEMBLY FOR AN ELECTRIC MOTOR  
An electric motor includes a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly defining a first surface...
US20090230697 ENGINE-DRIVEN POWER GENERATOR  
Engine-driven power generator includes: a power generation section having a drive shaft connected to a crankshaft; a gas-liquid separation unit provided upstream of the power generation section...
US20070114858 Rotor for use in motor with cooling function  
A rotor for use in a motor with a cooling function includes a main body and a plurality of cooling blades formed to be integrated with the main body. The main body includes attachment reinforcing...
US20110273042 AUTOMOTIVE CONTROLLING APPARATUS-INTEGRATED DYNAMOELECTRIC MACHINE  
A controlling apparatus-integrated dynamoelectric machine Includes: a metal housing that includes a front bracket and a rear bracket; a rotor that is rotatably disposed inside the housing by being...
US20120175978 AIR-COOLED ELECTRICAL MACHINE  
The disclosure relates to an air-cooled electromechanical system having a rotor, a driver element, and a fan impeller, the rotor comprising a rotor shaft and field winding. Said disclosure...
US20120280583 DYNAMOELECTRIC MACHINE PRESSURIZING APPARATUS  
A dynamoelectric machine pressurization apparatus is disclosed. In one embodiment, the apparatus includes a dynamoelectric machine air shield including a channel configured to fluidly connect an...
US20090309435 Integrated Air Mover and Angular Position Sensor on Electric Motor  
Embodiments of the present invention provide an integrated air-mover and position sensor for an electric motor. One or more fins may be attached to a position sensor and adapted to generate a...
US20110278970 ELECTRIC MOTOR  
An electric motor has a stator and a rotor rotatably mounted in the stator. The stator includes a stator core and stator windings. A heat dissipating device is mounted around an outer surface of...
US20100176603 TWO-STAGE COOLING FAN FOR AN ELECTRIC GENERATOR  
An engine driven generator (17) is provided with first and second stage fans (41,42) at one end thereof. The two-stage fan system draws in ambient air and forces it through the generator windings...
US20110058966 FLUSHING SYSTEM  
An apparatus includes a pump, a motor operatively coupled to the pump, and a flushing system. The motor includes a stator and a rotor disposed in a rotor cavity isolated from the stator. The...
US20120299408 Permanent Magnet Rotating Machine  
Provided is a technology for enhancing the reliability of a permanent magnet rotating machine against thermal degradation of a permanent magnet. Specifically, provided is a permanent magnet...
US20110260561 INDUCTION MOTOR  
Exemplary embodiments of the present invention relate to an induction motor including a stator having a circular cross-section and an inner passage having a longitudinal axis defining a bore, a...
US20110169355 INDUCTION MOTOR  
Exemplary embodiments of the present invention relate to an induction motor including a stator having a circular cross-section and an inner passage having a longitudinal axis defining a bore, a...
US20090206692 Composite electromechanical machines with uniform magnets  
Embodiments of the present invention include a composite electromechanical machine which can operate as a motor or a generator (including dynamo or alternator). In an aspect, the present composite...
US20080093938 Motor Cooling Device  
A motor cooling device has an impeller (2) pivotally supported by the rotary shaft (1a) of a motor (1), and a fan cover (4). The fan cover (4) covers the front region and outer peripheral region...

Matches 1 - 50 out of 95 1 2 >