| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310088000 | Dirt, moisture or explosion proof | 53 |
| 20080309181 | Vehicular alternating current generator - A vehicular alternating current generator comprises slip rings, an enclosure, a rear cover, and a sealing plate. The slip rings are provided on a rotary shaft of a rotor. The enclosure component encloses a peripheral space surrounding the slip rings and brushes, and the rear cover covers electrical components including the brushes. The sealing plate, which is made of a material having elasticity, is attached to an end surface of the rear cover in a vertical direction and encloses a surrounding area of the enclosure component. | 12-18-2008 |
| 20090115273 | MOTOR AND HOUSING THEREOF - A motor includes a motor body and a housing for covering and accommodating the motor body. The housing includes a seat and a cover. The seat has at least one first connecting portion disposed at the circumference of the seat, and the cover has at least one second connecting portion disposed at the circumference of the cover and corresponding to the first connecting portion. The first and second connecting portions are connected by the relative movement of the seat and the cover, so that the seat and the cover can be combined tightly. | 05-07-2009 |
| 20100001601 | SPINDLE MOTOR, CARRIAGE ASSEMBLY, AND RECORDING MEDIUM DRIVE - According to one embodiment, a spindle motor includes a cylindrical body, a rotor, and a stator. The cylindrical body defines a cylindrical space having the center axis on the rotational axis. The rotor includes an annular body that is connected to one end of the cylindrical body and defines an opening of the cylindrical space. The stator closes the opening while rotatably supporting the rotor. The clearance is formed between the stator and the annular body throughout the circumference of the annular body. The clearance becomes narrower in a direction away from the cylindrical space. | 01-07-2010 |
| 20100079021 | Housing Comprising An Air Flow Conduit Preventing All Liquid Accumulation - A liquid tightly sealed housing has an electrical or electronic device arranged in an internal volume of the housing, a channel with a globally vertical main axis, passing through an upper wall of the housing to connect the internal volume of the housing to outside, and closure apparatuses for making the channel liquid-tight and gas-permeable. The closure apparatuses are arranged at least partly on the upper wall of the housing and at an upper end of the channel so as to prevent any liquid accumulation in the channel. | 04-01-2010 |
| 20100090551 | Electric Motor Having Drainage Means - An electric motor comprises a stator, a rotor, and an interface plate. The interface plate is fixed to the stator and is configured to couple the electric motor to a pump. The interface plate comprises a shaft opening, a cavity, a ventilation passageway, a fluid discharge portion, a drainage passageway, and an upwardly extending surface. The rotor shaft extends horizontally through the shaft opening. The cavity is in communication with the shaft opening. The ventilation passageway extends upward from the cavity and is in communication with the cavity and with the ambient air. The drainage passageway is in communication with and extends downward from the cavity. The drainage passageway is configured to channel liquid downward from the cavity and to the fluid discharge portion. The upwardly extending surface is positioned where the upwardly extending surface will inhibit liquid from migrating from the fluid discharge portion to the stator. | 04-15-2010 |
| 20100176673 | END SHIELD AND INNER BEARING CAP ASSEMBLY - An explosion proof motor including a stationary assembly and a rotatable assembly is described. The stationary assembly includes a stator that defines a stator bore. The rotatable assembly includes a rotor and a rotor shaft extending substantially axially through the stator bore. The explosion proof motor includes a frame configured to at least partially surround the stator. The frame defines an interior and an exterior of the motor. The explosion proof motor also includes at least one end shield positioned at an end of the frame and a bearing cap positioned proximate to the interior side of the end shield. The explosion proof motor also includes a flame path gap defined between the end shield and the bearing cap. The flame path gap includes at least one section that extends substantially parallel to the rotor shaft. | 07-15-2010 |
| 20100187926 | JACKETED AXIAL MAGNETIC BEARING - The invention relates to a jacketed axial magnetic bearing for a rotary machine having a rotor in contact with a gaseous atmosphere that is corrosive, acid, or carrying particles, the bearing comprising a rotor armature in the form of a disk secured to the rotor and placed in the gaseous atmosphere, and a stator magnetic circuit secured to a stationary support device and placed facing the rotor armature, the magnetic circuit of the stator comprising at least one coil and a ferromagnetic body placed in a metallic protective enclosure. The protective enclosure comprises firstly an annular support of channel section with a web and inner and outer flanges presenting a thickness of several millimeters and a length that is less than the length of the stator magnetic circuit, and secondly an annular jacket in the form of a channel-section cover machined from a solid piece and thus without welds, the jacket having inner and outer flanges and a closure web presenting a thickness smaller than the thicknesses of the inner and outer flanges, the free ends of the inner and outer flanges of the jacket being welded to the free ends of the inner and outer flanges of the annular support. | 07-29-2010 |
| 20110001377 | CANNED OR SLEEVED ROTARY MACHINE AND METHOD OF MANUFACTURING IT - A canned or sleeved rotary machine is equipped with a rotor ( | 01-06-2011 |
| 20110031830 | ELECTRIC MOTOR FOR USE IN HAZARDOUS ENVIRONMENTS - An electric motor is provided that is configured for operation in hazardous or other hazardous environments. The electric motor includes a housing for a rotor and a stator. The housing includes a pair of end caps and a casing positioned therebetween. The end caps and the casing are held together using internal tie bars extending between and connected to the end caps. | 02-10-2011 |
| 20110031831 | HOUSING ATTACHMENT FOR AN ELECTRICAL MACHINE TO INGRESS PROTECTION CLASS IP 24W - A housing attachment for an electric machine is constructed in compliance with protection class IP 23 and includes a first projected edge disposed at a first border wall such that water located in the middle section at the first border wall drips off no later than at the first projected edge and is led directly or indirectly to the first air inlet opening. Proximate to the first air inlet opening are first laminates which deflect incoming air flowing into the feed air channel to a second edge area. Proximate to the second air outlet opening are second laminates that impart to the flow direction of the outgoing air leaving the outlet air channel a component directed to the top of the electric machine. Third laminates are disposed in an end area of the outlet air channel to deflect the outlet air flowing in the outlet air channel away from the top of the electric machine. | 02-10-2011 |
| 20110133585 | SECURITY IMPROVED SEALED ELECTRIC MACHINE - A security-improved sealed electric machine includes a casing ( | 06-09-2011 |
| 20110156515 | STRUCTURE OF WATER-PROOF MOTOR FOR ROTATING AXLE OF ROASTING STOVE - A structure of waterproof motor for an electric rotating axle of a roasting stove is disclosed, the motor can be installed on the roasting stove to allow rotation of the electric rotating axle for operating the roasting stove, the waterproof motor includes a housing composed of an upper cover and a lower lid, inside the housing there is a receiving space in which a fixing seat is provided on the lower lid; the fixing seat is provided thereon with a waterproof sleeve and a driving member which has a dynamic axle, the dynamic axle is extended through the waterproof sleeve to link with the electric rotating axle to rotate it; the structure is endued with an effect of avoiding invading of water vapor against the motor. | 06-30-2011 |
| 20110193436 | ELECTRIC MOTOR - The invention provides an electric motor ( | 08-11-2011 |
| 20110248586 | IMPLEMENTATION OF A NON-METALLIC BARRIER IN AN ELECTRIC MOTOR - A motor for use in a volatile environment includes a rotor exposed to the volatile environment, electronics for rotating the rotor, an impervious ceramic barrier separating the electronics and the rotor, and a flexible seal for preventing the volatile environment from contacting the electronics and for minimizing vibratory and twisting loads upon the barrier to minimize damage to the barrier. | 10-13-2011 |
| 20120013212 | LIQUID DEFLECTING BAFFLE FOR AN ELECTRIC MOTOR - A fluid deflecting baffle is provided for use on an electric motor to be used in an environment where liquid may otherwise pass through a vent opening in an endshield of the motor. The baffle is secureable to the endshield and extends in a partial covering relationship with the vent opening. The baffle includes a vent passage therethrough and has at least one liquid flow obstructing louver that extends across the vent opening to deflect liquid away from the vent passage while allowing venting air to flow through the vent passage. The louver includes a generally flat liquid deflection surface that is disposed at an oblique angle relative to the axis of the motor and at least partially faces a venting direction of incoming air and fluid. | 01-19-2012 |
| 20120025646 | Cooling Tower Motor Having Improved Moisture Protection - An electrical motor has been developed having an epoxy, which encapsulates a stator winding to protect the stator winding from the humid and damp atmosphere associated with a cooling tower. The electrical motor includes a stator core, a stator winding configured about the stator core, and an epoxy encapsulating at least an end portion of the stator winding, the epoxy enabling the stator winding to be isolated from an atmosphere surrounding a fan within in a cooling tower operated by the electrical motor in which the stator core and the stator winding are positioned. | 02-02-2012 |
| 20120032542 | WATER-PROOF DUST-PROOF AND SALTY-MIST-PROOF COOLING FAN - A water-proof dust-proof and salty-mist proof cooling fan, comprising: a fan frame, which is provided with a fixing round stage inside, and a fixing sleeve is disposed in a center of said fixing round stage; a ring-shaped U slot is provided in a bottom end surface of said round stage, such that a sealing circle is provided in said ring-shaped U slot; a water-proof cover body, fixedly connected to said fan frame through said sealing circle; and a fan-blade hub, where an inverse cone-shaped fixing table is provided protruding from a cavity center of said fan-blade hub, and said fixing table is connected to a main axis. Said round stage is a blind hole, with its open end provided at a bottom portion of said fan frame, such that said round stage, said sealing circle, and said cover body together form a tight-sealing enclosure. | 02-09-2012 |
| 20120104887 | AUTOMOTIVE DYNAMOELECTRIC MACHINE - A resin protective cover is prepared so as to have a cup shape that is constituted by a floor portion and a tubular peripheral wall portion, and that can be mounted to a rear bracket so as to cover a rectifying apparatus and a voltage regulator that are disposed axially outside the rear bracket. The protective cover includes an engaging hook that includes: a shank portion that is disposed so as to extend from an opening end of the peripheral wall portion; and a hook portion that is disposed so as to project radially outward from a tip end of the shank portion, and the protective cover is held on the rear bracket elastically in an engaged state by the engaging hook being inserted into an engaging aperture that is formed on a casing. | 05-03-2012 |
| 20120313469 | WATERPROOF AND SALT SPRAY-RESISTANT FAN MOTOR STRUCTURE - A waterproof and salt spray-resistant fan motor structure includes a base, a stator assembly, a case, and at least one circuit board. The base has a bearing cup vertically projected from one side thereof. The stator assembly is externally fitted around the bearing cup, and includes a plurality of silicon steel plates having windings mounted thereon. The case is arranged between the base and the stator assembly and internally defines a closed space, and the circuit board is located in the closed space. With these arrangements, the case protects the circuit board against corrosion by water and salt spray, enabling a fan to have largely extended service life. | 12-13-2012 |
| 20130069462 | Electric Motor or Generator - An electric motor or generator having a stator with stator teeth for mounting electrical coils and a rotor, wherein the stator has a first surface that is parallel to an axis of rotation of the rotor and is axially separated from the stator teeth and the rotor has a second surface that is formed in substantially the same axial position as the stator s first surface, wherein material is mounted on the first surface or the second surface that has a lower frictional coefficient than the first surface or second surface. | 03-21-2013 |
| 20130106216 | Motor | 05-02-2013 |
| 20130140929 | EXPLOSION-PROOF, COMPOUND ELECTRIC MOTOR - Provided is a combined explosion-proof electromotor, which includes a body in which an interior space is formed and whose one end is open in an axial direction, a terminal box whose one end is open in the axial direction so as to face the open end of the body and in which a space is formed to hold terminal cables extending from the outside, and a middle plate that is disposed between the opposing ends of the body and the terminal box which are connected by separate fastening means and that includes terminal insertion holes through which ends of the terminal cables are inserted into the body. | 06-06-2013 |
| 20130154413 | HOUSING OF A DRIVING DEVICE - A housing of a driving device, in particular an electric motor adjustment drive for a motor vehicle, has a housing opening, which is covered by a gas-permeable membrane, in particular a membrane that is impermeable to liquid. The housing opening is surrounded by a collar contour, which is interrupted locally at the circumference and within which the membrane lies. | 06-20-2013 |
| 20130162076 | BASE ASSEMBLY - There is provided a base assembly, including: a rotor including a rotor hub on which at least one disc is mounted; a stator rotatably supporting the rotor; and a base member having the stator fixedly mounted thereon and forming an internal space with the rotor hub, wherein at least one of the base member and an opposite surface of the rotor hub facing the base member has a cleaning solution penetration prevention part. | 06-27-2013 |
| 20130169090 | MOTOR - A brush motor includes a case, a rotor containing a wiring portion wound around an iron core fixed to a shaft, a bearing making a sliding contact with the shaft to support the shaft, and a holder holding the bearing. The holder is made of resin, and includes a central portion with a cylindrical shape, containing an inner circumferential side into which the bearing is inserted, and a top portion protruding from an opening formed in the case; and an outer circumferential portion shielding the inner surface side of the exterior case and the winding portion. Thereby, the reliability of the motor can be improved. | 07-04-2013 |
| 20130229075 | MOTOR HAVING A SEAL ASSEMBLY - A motor having a seal assembly includes a motor housing having a rotatable shaft disposed therein. Also included is a first seal operably coupled to the rotatable shaft and having an engagement portion, wherein the first seal is configured to rotate in conjunction with the rotatable shaft. Further included is a second seal disposed in the motor housing and having a guiding portion, wherein the engagement portion of the first seal guidably rotates within the guiding portion of the second seal forming at least one labyrinth seal, and wherein at least one of the first seal and the second seal comprise an insulated material. | 09-05-2013 |
| 20130270944 | ELECTRIC MACHINE AND METHOD FOR OPERATING AN ELECTRIC MACHINE - An electric machine for starting an internal combustion engine, comprising a housing ( | 10-17-2013 |
| 20130334920 | MOTOR - Disclosed is a motor, the motor according to an exemplary embodiment of the present disclosure including a housing, a stator mounted on the housing, a rotor rotatably installed at a center of the stator by a rotation shaft, a bearing interposed between the rotation shaft and the housing to rotatably support the rotation shaft, and a damping member interposed between the bearing and a receiving groove portion of the bearing to interrupt penetration of moisture from outside and to apply a preload to the bearing. | 12-19-2013 |
| 20140001901 | ELECTRIC MOTOR WITH A REDUNDANT SEAL ARRANGEMENT | 01-02-2014 |
| 20140035408 | Spindle Motor - A spindle motor is provided, the motor including: a base plate; a PCB Printed Circuit Board arranged on an upper surface of the base plate; a bearing assembly coupled to the base plate; a stator coupled to a periphery of the bearing assembly; and a rotor rotationally coupled to the bearing assembly, wherein the base plate is formed with a foreign object inflow prevention fence to inhibit inflow of foreign objects into the stator and the base plate. | 02-06-2014 |
| 20140084723 | THRUST WASHER FOR AN ELECTRIC MACHINE - The invention relates to a thrust washer ( | 03-27-2014 |
| 20140125173 | ROTATING ELECTRIC MACHINE - The rotating electric machine has a motor case, a stator, a winding wire, a wire extension, a rotor, a shaft, a first plate, a second plate, a control unit, and a tubular bush. The first plate seals a first end of the motor case and supports a first end of the shaft. The second plate seals a second end of the motor case, supports a second end of the shaft, and has a through-hole. The control unit is positioned on an opposite side of the second plate that is opposite to the motor case. The control unit is connected with the wire extension to control electricity supplied to the winding wire. The tubular bush is disposed inside the through-hole, or is disposed outside the through-hole between the winging wire and the second plate. | 05-08-2014 |
| 20140175923 | WATERPROOF MOTOR STATOR STRUCTURE - A waterproof motor stator structure includes a circuit board; a stator mounted on one face of the circuit board; a lower shell forming an open-topped annular recess for receiving the circuit board therein and having an central opening communicable with the annular recess; an upper shell fitted around an outer side of the stator; and a protective layer formed in the annular recess of the lower shell to encapsulate the circuit board and an open lower end of the upper shell, so that the lower shell and the upper shell are joined into an integral unit. With these arrangements, the stator located in between the lower and upper shells can be effectively protected against external moisture and salt spray with reduced time, labor and material costs while enabling extended service life a fan using same. | 06-26-2014 |
| 20140183998 | Current Diverter Ring - The current diverter rings (CDRs), captured CDRs, bearing isolators, and explosion-proof CDRs serve to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One embodiment of the explosion-proof CDR includes a stator that may be mounted to the equipment housing and a rotor that may be mounted to a shaft. The rotor may rotate with the shaft may be encompassed by stator and a cap, which cap may be secured directly to the stator or the housing. A conductive assembly may be positioned in a radial channel formed in the stator such that the conductive assembly contacts the shaft to conduct electricity from the shaft to the housing. Another embodiment of an explosion-proof CDR does not require a rotor. The explosion-proof CDR may be configured to define a flame path to achieve various explosion-proof certifications. | 07-03-2014 |
| 20140252898 | Housing for Accommodating an Electronic Circuit - A housing for receiving an electronic circuit ( | 09-11-2014 |
| 20140265681 | SYSTEMS AND METHODS FOR ISOLATING A CONDUIT ENCLOSURE FOR AN EXPLOSION PROOF MOTOR - An enclosure system for isolating a conduit enclosure for an explosion proof motor is provided. The enclosure system includes a stator enclosure defining a first enclosure opening. The enclosure system also includes a conduit enclosure coupled to the stator enclosure. The conduit enclosure comprises at least one side wall, a rear wall coupled to the side wall, and an interior cavity. The rear wall defines a first entry port having a first volume. The enclosure system further includes at least one electrical lead. The at least one electrical lead extends through the first enclosure opening, through the first entry port, and into the interior cavity. The at least one electrical lead occupies a portion of the first volume and leaves a remaining volume. The enclosure system also includes sealing compound. The sealing compound is coupled with the first entry port such that substantially all of the remaining volume is occupied. | 09-18-2014 |
| 20140265682 | SYSTEMS AND METHODS FOR ISOLATING A CONDUIT ENCLOSURE USING AN ADAPTER PLATE FOR AN EXPLOSION PROOF MOTOR - An enclosure system includes a stator enclosure defining an enclosure opening, and an adapter having a first entry port, and defines a center cavity having a first volume. Enclosure system includes a conduit enclosure coupled to one or more of stator enclosure and adapter. Conduit enclosure includes a base member having at least one side wall, a rear wall coupled to side wall and defining a second entry port, an interior cavity, and a terminal connection block coupled to base member and having at least one terminal. Enclosure system includes at least one electrical lead extending from the stator enclosure through first enclosure opening, through first entry port, through center cavity, through second entry port, and into the interior cavity. Electrical lead occupies a portion of first volume and leaves a remaining volume. Enclosure system includes sealing compound coupled with adapter such that substantially all of remaining volume is occupied. | 09-18-2014 |
| 20140292127 | SPARK SUPPRESSION SHIELD FOR ELECTRIC MOTORS - Spark suppression shield for electric motors relates to universal commutator motors and to permanent magnet DC motors operating in environment containing flammable or explosive gases. The collar shaped as a wall is extending from bearing frame and surrounding commutator in approximately it's total height, where the gap in radial direction between commutator and collar is up to 3 mm and the collar might or might not have collar openings. | 10-02-2014 |
| 20140339938 | GAS TURBINE ENGINE ACTUATION SYSTEMS INCLUDING HIGH TEMPERATURE ACTUATORS AND METHODS FOR THE MANUFACTURE THEREOF - Embodiments of a gas turbine engine actuation system are provided, as are embodiments of a high temperature actuator and methods for the manufacture thereof. In one embodiment, the gas turbine engine actuation system includes an actuated gas turbine engine component and a high temperature actuator, which has a rotor mechanically linked to the actuated gas turbine engine component and a stator surrounding at least a portion of the rotor. The stator includes, in turn, a coil support structure having a plurality of spokes extending radially therefrom. A plurality of pre-formed electromagnetic coils is circumferentially distributed about the coil support structure. Each of the plurality of pre-formed electromagnetic coils is inserted over at least one of the plurality of spokes in a radial direction. The stator further includes an inorganic dielectric material in which each of the plurality of pre-formed electromagnetic coils is at least partially embedded. | 11-20-2014 |
| 20140339939 | ELECTRIC MOTOR - An electric motor having a housing with a housing interior and also with an electronics compartment for a motor electronics system is provided. The housing has a housing base and a housing wall. The electronics compartment is arranged between the housing wall and a housing cover. The housing cover has a ventilation opening for venting the housing interior. The electronics compartment has a ventilation channel which is routed into the housing interior via the housing wall and has a channel connection piece which issues into the ventilation opening of the housing cover and is closed by an air-permeable diaphragm. | 11-20-2014 |
| 20150076947 | ELECTRICAL MACHINE - An electrical machine has a machine housing, which encloses a machine interior, and a flange bearing shield formed with a shaft feedthrough for a machine shaft. A leakage space that communicates with at least one drain opening is provided in the region of the shaft feedthrough. | 03-19-2015 |
| 20150130310 | MOTOR - A motor includes a housing, a back cover, a brush card, and a brush. The brush card is disposed in a casing defined by the housing and the back cover. The brush is disposed on a front side of the brush card. The back cover includes a through-hole in the vicinity of a lower end portion of a first circumferential wall portion. The back cover and the brush card are in contact with each other in an annular or substantially annular shape, in a radially inner side of an inner circumferential surface of the first circumferential wall portion via a gap. The contact portion is disconnected, or the brush card is radially penetrated, at a position that radially overlaps with the through-hole. | 05-14-2015 |
| 20150311765 | DRAINAGE SYSTEM FOR ELECTRIC MACHINES, AND ELECTRIC MACHINES COMPRISING SAME - This invention discloses a drainage system with high protection degree and low cost applicable to closed-type electrical machines and an electrical machine using thereof, comprising a casing equipped with: | 10-29-2015 |
| 20150345555 | JACKETED MAGNETIC BEARING AND ROTARY MACHINE COMPRISING SUCH A BEARING - A jacketed magnetic bearing for a rotary machine having a rotor. The jacketed magnetic bearing comprises a stator magnetic circuit secured to a stationary support device, the stator magnetic circuit comprising at least one coil and a ferromagnetic body placed in a metallic protective enclosure. Said protective enclosure comprises an annular support and an annular jacket, the annular support and the annular jacket being welded together. The annular jacket comprises magnetic material and is coated by a protective layer. | 12-03-2015 |
| 20150364965 | Secondary Part of a Synchronous Motor Having a Protective Device for Magnets - A secondary part of a synchronous motor has a protective device for magnets. The secondary part has a plurality of magnets evenly spaced on a magnet support. The protective device has a web for insertion into the gap between adjacent magnets. The web has a first and second flange at its two ends, so that the web and the flanges form a double-T structure, and the flanges rest against outer edges of the adjacent magnets. | 12-17-2015 |
| 20160036285 | ELECTRIC MACHINE, SEALING ASSEMBLY AND ASSOCIATED METHOD - An electric machine includes an electric machine having a housing defining a cavity in the housing. The housing has an internal wall of the housing defining an aperture extending from an exterior of the housing to the cavity. The machine also includes, a stator secured to the housing and a rotor. The rotor is rotatably secured to the housing. The machine also includes a component positionable in the aperture and a sealing member. The scaling member is operably associated with the component. At least a portion of the sealing member is made of a conformable material and adapted for engagement with the housing. The internal wall of the housing is adapted to radially engage the conformable portion of the sealing member. | 02-04-2016 |
| 20160036286 | DRIVE APPARATUS - A drive apparatus includes a power module, a connector and a heat sink. The connector is used for electric connection to an external side and has a flange, which is formed on its peripheral wall. The heat sink is formed to have a module holding part for holding the power module and a fitting hole for fitting with the flange and has a connector holding part for holding a connector. The flange is formed along a first surface, which faces the connector holding part of the peripheral wall, and side surfaces, which are formed on both sides of the first surface. Thus, water droplets are prevented from entering into a control unit through a clearance between the connector and the heat sink without adding other members such as a water preventing cover. | 02-04-2016 |
| 20160065027 | ELECTRIC ROTATING MACHINE - An electric rotating machine has a first end frame and a second end frame for firmly supporting a stator between them in an axial direction of the electric rotating machine. An electronic control portion is mounted to a rear side of the first end frame. Multiple through-holes are formed at a radial-outer periphery of the second end frame. Each of multiple through-bolts is inserted into the respective through-holes from a side of the second end frame and screwed into the first end frame, to thereby firmly connect the first and the second end frames to each other. | 03-03-2016 |
| 20160072355 | FAN MOTOR - A fan motor that including: a rotor coupled with a shaft to rotate together; a stator installed at a position facing the rotor; a first bracket on a central upper portion of which a first bearing insertion space into which a first bearing coupled to an upper portion of the shaft is inserted is formed; a second bracket which is hermetically coupled to the first bracket and on a central lower portion of which a second bearing insertion space into which a second bearing coupled to a lower portion of the shaft is inserted is formed; a first bearing cover that covers the first bearing insertion space; and a second bearing cover that covers the second bearing insertion space and has an accommodation space formed to extend to the central lower portion. | 03-10-2016 |
| 20160134167 | ROTATING ELECTRIC MACHINE WITH SHAFT-SEAL DEVICES MOUNTED THEREON - In a rotating electric machine with shaft-seal devices mounted thereon, an object to provide them is to uniformize a temperature distribution of a sealing ring with a simple structure. The rotating electric machine with the shaft-seal devices mounted thereon includes a rotor having a shaft; a stator disposed in a circumferential surrounding of the rotor; a sealing ring having a plurality of through holes formed therein, being disposed in a circumferential surrounding of the shaft; a gland seal having an oil supply opening therein, for enclosing a circumferential surrounding of the sealing ring; a partition plate disposed between the sealing ring and the gland seal; and a housing on which the gland seal is fixed, for accommodating the rotor and the stator. | 05-12-2016 |
| 20160149460 | WATER-RESISTANT MOTOR AND END BELL - A water-resistant electric motor having an end bell with a passage that prevents the formation of a vacuum between the shaft seal and the shaft bearing. The passage extends from the interior region of the motor through the end bell bypassing the bearing to communicate with a gap between the seal and the bearing. The motor housing includes a vent to expose the motor's interior region and the gap to atmospheric pressure or to a source of higher-pressure air or gas to prevent water from being sucked into the motor's interior. | 05-26-2016 |
| 20160149462 | Internal Pressure Attenuator Device for Rotating Electrical Machines Able To Operate in Explosive Atmospheres - Disclosed herein are pressure attenuator devices for rotating electrical machines, The pressure attenuation device contains a screen with a plurality of openings, wherein the screen is positioned within the internal cavity and configured to segregate a flame front propagating from an ignition source formed by a combustion process originated in the cavity. Thus, with the use of the pressure attenuation device, an expressive reduction of pressure inside the cavity of the rotating electrical machine is obtained. | 05-26-2016 |
| 20170237308 | LAMINATED ROTOR WITH IMPROVED MAGNET ADHESION AND METHOD OF FABRICATING | 08-17-2017 |
