| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310261000 | Rotor structure | 46 |
| 20080218025 | Self-magnetizing motor and compressor having the same - A self magnetizing motor and a compressor having the same is configured to require a lower starting voltage and to deliver superior performance. In the self magnetizing motor, a magnetic material on an exterior of the rotor is magnetized when power is supplied to a magnetizing unit of the stator. A plurality of conductive bars are inserted on the outer circumference of the rotor core. A spacing distance between outer portions of the conductive bars and inner circumference of the magnetizable material is longer than an air gap between the stator and the rotor. As a result, a magnetic strength of the magnetic material may be increased. | 09-11-2008 |
| 20080246365 | Mp-a and Mp-t Machines, Multipolar Machines for Alternating and Three-Phase Currents - A machine (FIG. | 10-09-2008 |
| 20080272671 | HIGH SPEED GENERATOR ROTOR DESIGN INCORPORATING POSITIVELY RESTRAINED BALANCE RINGS - A generator may incorporate a positively restrained balance ring. A generator may include a rotor core including a rotor, and a balance ring. The balance ring may include a weight. The balancer may include a plurality of balance holes in the ring, at least one of the plurality of balance holes to receive a weighted insert. A method of balancing a rotor of a generator may include mounting a balance ring adjacent to a rotor core, and adjusting weights to be located at one or more of a plurality of positions equally spaced around the balance ring to balance the rotor. | 11-06-2008 |
| 20080284274 | VIBRATION-DAMPING ROTOR ASSEMBLY - A rotor assembly comprising: an inner rotor and an outer rotor for rotating in a magnetic field of a motor, the inner rotor comprising a main inner rotor cavity, and a plurality of first holes being formed between the inner rotor and the outer rotor; two side boards, each side board having a main side board cavity, and being perforated by a plurality of second holes; two damping elements each damping element comprising a main damping element cavity; a plurality of rubber sleeves, each rubber sleeve having a rubber sleeve lip; and a plurality of third holes; an axle; and a plurality of positioning pins. | 11-20-2008 |
| 20080296997 | Rotor for rotating electrical machine - A rotor body for an electric motor is comprised of connecting outer peripheral portions of first and second flange members made of electrically conductive material to the opposite ends of a plurality of connection members made of electrically conductive material of weak magnetic material arranged at predetermined distances therebetween in the circumferential direction with bolts and by supporting induction magnetic poles made of soft magnetic material between the connection members which are adjacent in the circumferential direction. Coupling portions of the first and second flange members and the connection member are electrically insulated by insulation coating so that an eddy current flowing in a closed circuit comprised of the first flange member, the connection member, the second flange member and the other connection member can be reduced and heat dissipation and energy loss accompanied by the eddy current can be minimized at the time of an operation. | 12-04-2008 |
| 20080315714 | Electrical Rotating Machine Comprising an Intermediate Sleeve Interposed Between the Shaft and the Polar Wheels and Method for Making the Rotor - An electrical rotating machine rotor, in particular for a motor vehicle, comprising a central shaft, an annular core coaxial with the shaft and two polar wheels which are axially arranged on either side of the core, of the type wherein the shaft includes at least one drive section which is axially force-fitted into a fixing bore of at least one component of the rotor so as to secure in rotation at least one of the two polar wheels of the rotor to the shaft, an intermediate sleeve being radially interposed between each polar wheel and the central shaft, and on which sleeve is mounted said polar wheel. The invention also concerns a method for making such a rotor. | 12-25-2008 |
| 20090021105 | ROTOR FOR AN ELECTRIC MACHINE AND PRODUCTION METHOD THEREOF - The present invention relates to a rotor for an electric machine, comprising a core made of metal lamellar sheets ( | 01-22-2009 |
| 20090026877 | STIR-WELDED ROTORS AND METHODS OF MAKING - Provided are stir-welded rotors and methods of making these. An exemplary stir-welded rotor may include a stack of laminations that each has spaced-apart slots arrayed on an outer circumference. The slots register with slot bars that each has a first extremity extending above the stack of laminations and a second extremity extending below the stack of laminations. A first weld extends between first extremities of adjacent slot bars, and a second stir weld extending between adjacent second extremities of adjacent slot bars. | 01-29-2009 |
| 20090121582 | Motor for Injection Molding Machine, Rotor of Buried Magnet Motor - There are provided a motor for an injection molding machine, and a rotor of a buried magnet motor. In a plate | 05-14-2009 |
| 310262000 | High-speed rotor type | 3 |
| 20080315715 | ROTOR CORE ASSEMBLY FOR ELECTRIC MOTOR - A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric fastener holes extend through the laminations and the end plates for receiving stainless steel pins. Each pin has a head against one of the end plates, and each pin has spaced apart grooves thereon extending from the other end plate. A stainless steel collar engages each of the pins and contacts one of the end plates. Each collar has a deformed portion in at least one of the grooves of the pin. | 12-25-2008 |
| 20090108703 | ROTARY APPARATUS - A rotary apparatus, in which a rotor can rotate stably when it rotates at a high speed, can rotate at a relatively high speed by the torque of a highly reliable induction motor. The rotary apparatus comprises a rotor shaft and an induction motor. The induction motor includes a motor rotor core fixed to the rotor shaft, conductors disposed in the motor rotor core and a motor end ring for assembling and connecting the conductors, and can rotate the rotor shaft at a high speed by the torque. The rotor shaft is provided with a member that covers the motor end ring. | 04-30-2009 |
| 20090140601 | ROTARY ELECTRIC MACHINE - In a rotary electric machine, for ensuring a cooling air flow between a rotor iron core and a stator iron core without enlarging a rotor, a separation preventing device is provided at a position between adjacent slots so as to correspond to each other at a shrink-fitting position where a retaining ring is shrink-fitted to a rotor iron core. Since a separation preventing position of the retaining ring is located at the shrink-fitting position, it is possible to reduce a length of the retaining ring itself so as not to be adjacent to the end portion of the stator iron core. Accordingly, a gap between the rotor iron core and the stator iron core does not reduce. As a result, it is possible to ensure a cooling air flow between the rotor iron core and the stator iron core without enlarging the rotor. | 06-04-2009 |
| 310263000 | Interfitting or claw tooth rotors | 17 |
| 20080290755 | MOTOR - A motor may include an urging member which is mounted on a fixed body for urging the bearing, and a pair of engaging grooves formed on the fixed body. The urging member may includes a pair of hook parts which are bent from respective tip ends of a pair of side plate parts. When the urging member is mounted on the fixed body, a pair of the hook parts are inserted from open ends and engaged with a pair of the engaging grooves and, when an outward force is applied to the urging member, the hook parts abut with an opposite inner wall of the engaging grooves located on a tip end side in the axial line direction of the motor to prevent the hook parts from being disengaged from the engaging grooves. | 11-27-2008 |
| 20080315716 | Rotor for automotive alternator having mechanism for positioning magnetic pole cores - A rotor for an automotive alternator includes a rotary shaft, first and second magnetic pole cores each having a plurality of magnetic pole claws, a bobbin, a field coil, a plurality of permanent magnets, and a positioning mechanism. The magnetic pole claws of the first magnetic pole core are interleaved with those of the second magnetic pole core. The field coil is wound around the first and second magnetic pole cores via the bobbin. The permanent magnets are interposed between the first and second magnetic pole cores. The positioning mechanism, which is made up of at least one of the rotary shaft, the first and second magnetic pole cores, and the bobbin, functions to position the first and second magnetic pole cores in the circumferential direction of the rotary shaft with intervals between adjacent pairs of the magnetic pole claws of the first and second magnetic pole cores being even. | 12-25-2008 |
| 20090009025 | ALTERING-CURRANT DYNAMOLECTRIC MACHINE - An alternating-current dynamoelectric machine according to the present invention includes: a stator including: a stator core in which slots that extend in an axial direction are formed on an inner side; and a stator winding that is mounted to the stator core by winding conducting wires into the slots; and a rotatable rotor including: a field winding that is disposed inside the stator; a rotor core constituted by a first pole core and a second pole core that each have claw-shaped magnetic poles that are disposed so as to cover the field winding and that alternately intermesh with each other; and first and second permanent magnets that are respectively disposed on two facing side surfaces of adjacent claw-shaped magnetic poles and that have magnetic fields that are oriented so as to reduce leakage of magnetic flux between the claw-shaped magnetic poles, and a magnetic body is disposed between a pair of the first and second permanent magnets. | 01-08-2009 |
| 20090079294 | Vehicle A.C. generator - A vehicle A.C. generator has a rotor. The rotor has a pair of pole cores and magnet holders. Each pole core has a plurality of claw-like magnet poles. Each magnet holder contains a permanent magnet and placed between the adjacent claw-like magnet poles in order to prevent leakage flux. The rotor has a pair of supporting members in order to stop each magnet holder shifting in the direction of a rotary shaft of the rotor. Each supporting member has projecting parts which correspond to the magnet holders. The supporting members are fixed to one end surface of the pole cores, respectively. Each projecting part fixes the position of the corresponding permanent magnet in the rotor. | 03-26-2009 |
| 20090152979 | Automotive alternator including annular core having protrusions and recesses alternately formed on its outer surface - An automotive alternator is disclosed which includes an annular core disposed to surround the radially outer peripheries of all magnetic pole claws of magnetic pole cores. The annular core has, on an outer surface thereof, a plurality of protrusions, a plurality of recesses, and a plurality of slopes. Each of the protrusions is so provided as to be coincident with a corresponding one of the magnetic pole claws of the magnetic pole cores in the circumferential direction of a rotary shaft. Each of the recesses is alternately formed with the protrusions so as to be coincident with a corresponding one of air gaps formed between the magnetic pole claws of the magnetic pole cores in the circumferential direction. Each of the slopes is inclined to the radial direction of the rotary shaft and connects a circumferentially adjacent pair of one of the protrusions and one of the recesses. | 06-18-2009 |
| 20090206696 | Electrical output generating and driven devices using disk and non-disk shaped rotors, and methods of making and using the same - Various devices for generating electrical or mechanical output, comprising a coil, a rotor assembly rotatable about an axis, the rotor comprising alternating magnet portion and flux conducting portions, each of the magnet portions having a first end with a first polarity and a second end with the opposite polarity and oriented along the periphery such that the first end of each magnet portion points toward the first end of the previous magnet portion and the second end of each magnet portion points toward the second end of the next magnet portion, a stator assembly having first and second sets of stator flux conductor extensions, each of the stator flux conductor extensions having a stator surface facing the rotor, wherein rotating the rotor assembly about the axis alternates the rotor assembly between a first and a second position, causing magnetic flux to flow. The stator and the rotor may be reversed in operation. Other variations are presented, including multiple geometries for both the permenant magnets and the flux conductive portions of the invention. A means of coupling the invention to an exterior device or apparatus is also discussed, as are ways to control the output of the device. | 08-20-2009 |
| 20090218907 | MOTOR APPARATUS INCLUDING LUNDELL MOTOR HAVING LUNDELL-TYPE ROTOR - The Lundell motor apparatus includes a controller for controlling a field current passed to a field coil of a Lundell-type rotor of a motor and an armature current passed to a stator coil of the motor in order to generate a required torque. When the field current is If, the armature current is Ia, a d-axis inductance is Ld, a q-axis inductance is Lq, a q-axis current as a q-axis component of the armature current is Iq, a d-axis current as a d-axis component of the armature current is Id, a field torque is Tf, a field flux is Φf, a reluctance torque is Tr, and a combined torque of the field torque and the reluctance torque is ΣT, the controller passes the d-axis current Id to the stator coil within a phase angle range in which the combined torque ΣT become larger than the field torque Tf in order to generate the reluctance torque Tr which is equal to (Ld−Lq)Id·Iq in addition to the field torque Tf. | 09-03-2009 |
| 20100013351 | TOOTHED-ROTOR SHAFT, TOOTHED ROTOR EQUIPPED WITH SUCH A SHAFT AND ROTARY ELECTRICAL MACHINE EQUIPPED WITH SUCH A ROTOR - The claw-pole-rotor shaft has a front end with a radially larger-sized section, two knurled regions known as crimping regions, intended to be assembled with the claw-pole rotor by local deformation of the material of the claw-pole rotor, and a centring region for centring the claw-pole rotor, the crimping regions being positioned on each side of the centring region while the centring region projects radially with respect to the crimping regions of the shaft, these themselves projecting radially with respect to the section of larger radial size at the front end of the shaft. The claw-pole rotor is characterized in that it is equipped with such a shaft while the rotary electrical machine is characterized in that it is equipped with such a rotor. | 01-21-2010 |
| 20100127594 | INDUCTOR-TYPE SYNCHRONOUS MACHINE - An inductor-type synchronous machine having an axial gap structure, which has a shaft portion at the center thereof, the machine includes: a field-side stator which has a yoke made of a magnetic material and a field body protruding from the yoke in an axial direction of the shaft portion to form an N pole and an S pole in a radial direction; a rotor which has N pole inductors disposed so as to be opposed to the N pole formed by the field body and S pole inductors disposed so as to be opposed to the S pole formed by the field body; and an armature-side stator in which an armature coil is disposed so as to be opposed to the N pole inductors and the S pole inductors. | 05-27-2010 |
| 20110133595 | ALTERNATOR AND METHOD OF MANUFACTURING A ROTOR CORE THEREOF - An alternator includes a stator assembly and a rotor assembly. The rotor assembly includes a rotor core having a first core portion and a second core portion. The rotor core is processed by cementation, so that the first core portion has carbon content that gradually decreases from the outer surface toward the central line of the rotor core till reaching a predetermined carbon content. The second core portion has carbon content lower than that of the first core portion. With these arrangements, the alternator can reduce turn-on speed and increase outputs. A method of manufacturing the non-homogenous rotor core of the alternator is also provided. | 06-09-2011 |
| 20120086304 | CLAW POLE COMPRISING A CENTERING POINT - The invention relates to an electrical machine ( | 04-12-2012 |
| 20120223612 | METHOD OF MANUFACTURING ROTOR CORE OF ELECTRIC ROTATING MACHINE - The method of manufacturing a rotor core of an electric rotating machine includes a preliminary shaping step of forming a boss section having a cylindrical portion extending in an axial direction, a disk section extending from one end portion of the boss section in a radical direction and preliminary shape portions of claw sections extending from a periphery of the disk section in the axial direction, a boring step of forming an axial hole extending through the boss section in the axial direction, an ironing step of forming the claw sections, and a sizing step to achieve a necessary thickness and flatness of the boss section. The ironing step is performed with a mandrel having an interference with the axial hole smaller than a boring punch being inserted into the axial hole after completion of the boring step. | 09-06-2012 |
| 20120293039 | BRUSHLESS ALTERNATOR - A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stat or supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for engaging with the outer circumferential surface of a thin portion of the yoke; a field coil wound around the bobbin, for producing magnetic flux; and a plate joined to the thin portion, for axially holding the bobbin; wherein the thin portion of the yoke and the other portion thereof are integrally formed in one piece using a single member. | 11-22-2012 |
| 20130082564 | ALTERNATOR FOR VEHICLE - An alternator for a vehicle includes: a rundel-type rotor including a cylindrical portion around which a field coil is wound, a pair of plate-shaped end plate portions which are arranged such that the end plate portions face both end surfaces of the cylindrical portion in the axial direction in an opposed manner, first claw portions which extend parallel to a rotary axis from one end plate portion, and second claw portions which extend parallel to the rotary axis from the other end plate portion, and a stator which is arranged on an outer peripheral side of the rotor with a rotary gap therebetween so as to face the rotor in an opposed manner, and has a laminated core on which an armature coil is wound. The between claw magnetic poles of the first and second claw portions is set to a optimum gap range to maximize output current. | 04-04-2013 |
| 20130187515 | Vehicular Alternating Current Generator - A vehicular alternating current generator includes a Lundell rotor and a stator. The Lundell rotor includes a cylindrical portion around which a field coil is wound; plate-shaped first and second end plate portions disposed on both end faces in an axial direction of the cylindrical portion so as to face each other; a plurality of first claw portions extending in parallel with a rotational axis in a direction from the first end plate portion to the second end plate portion; and second claw portions extending in parallel with the rotational axis in a direction from the second end plate portion to the first end plate portion, the second claw portions being disposed circumferentially and alternately relative to the first claw portions. The stator is disposed on an outer periphery of the rotor so as to face the rotor with a small rotational air gap there between. | 07-25-2013 |
| 20130221798 | ALTERNATOR RATIOS - A vehicle alternator has a center rotational axis and includes a substantially round stator having a plurality of coils, each coil being wound a number of times N around the stator. The vehicle alternator includes a rotor having a spool with a field coil wound thereon and having an opposed pair of core segments defining a number of interleaved pole portions P, each segment having a hub radially extending a distance R | 08-29-2013 |
| 20140175939 | ROTOR FOR AUTOMOTIVE ALTERNATOR - A rotor includes a rotating shaft and a pair of first and second pole cores fixed on the rotating shaft. Each of the first and second pole cores includes a plurality of magnetic pole claws each having a root portion and a distal end. Each of the magnetic pole claws are configured to have a constant circumferential width at the root portion and taper from the root portion to the distal end. The magnetic pole claws of the first pole core are arranged alternately with those of the second pole core in a circumferential direction of the rotating shaft. Further, at least part of the magnetic pole claws of the first and second pole cores each have at least one chamfered portion formed at a circumferential end of the root portion of the magnetic pole claw so as to extend parallel to an axial direction of the rotating shaft. | 06-26-2014 |
| 310264000 | Armatures | 12 |
| 20110221299 | DYNAMOELECTRIC MACHINE - An insert member is placed on one end surface of an armature on one axial side. A rotatable shaft member is integrally molded into one piece from a resin material and includes a shaft portion, a flange portion and a boss portion. The shaft portion axially extends through the armature and the insert member. The flange portion supports the other end surface of the armature on the other axial side. The armature and the insert member are fitted to the boss portion. The urging member is axially placed between a bottom portion of a motor housing and the insert member and axially urges the armature against the flange portion. | 09-15-2011 |
| 20140097721 | ROTOR APPARATUS AND METHODS OF IMPROVING MAGNETIZATION IN ELECTRIC MACHINES - Induction motors may have a rotor that includes a shaft and a plurality of rotor laminations. The plurality of rotor laminations may have a central bore sized to receive the shaft, and the shaft may have a laminated portion that extends throughout the central bore. In other embodiments, the plurality of rotor laminations may have a very small or no central bore, and the shaft may include first and second end pieces respectively attached on opposite sides of the plurality of rotor laminations. In some embodiments, the first and second end shaft pieces may be attached to the rotor laminations with a through bolt that passes through the rotor laminations via a central bore sized no larger than needed to receive the through bolt, allowing each of the rotor laminations to have a larger laminated surface area. Methods of assembling a rotor are also provided, as are other aspects. | 04-10-2014 |
| 20140159540 | BOBIN AND ROTOR OF WOUND ROTOR SYNCHRONOUS MOTOR USING THE SAME - A rotor of a wound rotor synchronous motor is manufactured by forming a rotor core using a plurality of core blocks, and fitting bobbins with a coil wound onto the core blocks. In particular, the core blocks are connected such that tops of the bobbins extend from bobbin bodies and are connected with tops of other bobbins fitted on the adjacent core blocks. Additionally, a molding material may be injected into spaces between the core blocks. | 06-12-2014 |
| 310265000 | Drum | 4 |
| 20080284275 | OUTSIDE ROTOR ELECTRIC MACHINE WITH REDUCED AIR GAP VARIATION - A method of providing an outside rotor electric machine having a reduced radial air gap variation across an axial length of the air gap, the machine including a rotor having a cylindrical elongated portion supporting magnets and a flange extending at least partially radially from a rotating shaft, the method comprising increasing a radial deflection of the elongated portion in proximity of the flange by connecting the elongated portion to the flange through a radial spring having a stiffness lower than that of the elongated portion. | 11-20-2008 |
| 20090001844 | Motor adopting improved mechanism - A motor adopting an improved mechanism is composed of a stator having a shaft and a rotor provided with a sleeve and a hub, wherein the shaft is inserted into the hub and the hub is fixed on an outer circumferential surface of the sleeve. The outer circumferential surface of the sleeve is provided with a first outer circumferential surface, a second outer circumferential surface and a receiving surface that links between the first and second outer circumferential surfaces. The hub is provided with a base section, a through hole and a first protruded section protruding downward from the base section. A tip end portion of the first protruded section is provided with a hitting surface that contacts with the receiving surface of the sleeve and a second protruded section that links to the contacting surface and protrudes downward from the contacting surface. | 01-01-2009 |
| 20090072657 | ELECTRIC MOTOR AND FUEL PUMP HAVING THE SAME - A permanent magnet has magnetic poles being circumferentially different from each other. An armature is rotatable at a radially inside of the permanent magnet and has a laminated core and a coil. The laminated core includes magnetic plates laminated in an axial direction so as to interpose an insulating layer. The magnetic plates include end magnetic plates located at most distant ends. At least one of the end magnetic plates has an outer circumferential side provided with a collar, which extends in the rotation axis direction so as to be opposed to pole faces of the permanent magnet. The at least one of the end magnetic plates has a thickness t, and the collar has a length h. The thickness t and the length h have a relationship of h/t≦10. | 03-19-2009 |
| 20090091211 | ELECTRIC MOTOR - A small size permanent magnet direct current motor has a housing accommodating a permanent magnet stator and a wound rotor. The rotor has a rotor core with a diameter of 23 mm±3 mm and 12 poles and a cylindrical commutator. The motor has an output power of more than 25 watts. | 04-09-2009 |
| 310268000 | Disc | 3 |
| 20080203848 | Electrical Motor/Generator Having A Number Of Stator Pole Cores Being Larger Than A Number Of Rotor Pole Shoes - The present invention relates to an electrical multipole motor/generator or electrical machine with axial magnetic flux, wherein the machine has a number of stator pole cores being larger than the number of rotor pole shoes. Thus, a motor/generator or electrical machine is provided in which the machine comprises a rotor secured to a shaft with an axis of rotation, where the rotor comprises magnets or means for producing a magnetic field and a number set to N of pole shoes. The machine further comprises a first stator with air gaps formed between the rotor and the first stator, where the first stator comprises a number set to M of separate pole cores or pole legs having corresponding separate coils or set of windings wound on and surrounding said pole cores or pole legs, wherein N and M are larger than one and M is larger than N. N may be an equal number, and M may be equal to 2N, or M may be equal to 3N, or M may be equal to 4N. According to an embodiment of the invention, the electrical machine may further comprise a second stator with air gaps formed between the rotor and the second stator, where the second stator comprises a number set to P of separate pole cores having corresponding separate coils or set of windings wound on and surrounding said pole cores, wherein P is larger than one. P may be larger than N, and P may be equal to 2N, or P may be equal to 3N, or P may be equal to 4N. Thus, according to an embodiment of the invention P may be equal to M. | 08-28-2008 |
| 20110109193 | Motor device - There is provided a motor device. The motor device includes a sleeve including an axial hole, a shaft inserted in the axial hole and rotatably installed thereto, a rotor case coupled with the shaft, rotating together with the shaft, and supporting a disc disposed thereupon, and a balancer including one or more races formed inside the rotor case and guiding a plurality of balls for correcting imbalance caused when the disc rotates. | 05-12-2011 |
| 20110133596 | Rotor, Axial Gap Type Motor, Method of Driving Motor, and Compressor - A technique of employing a rotor having anti-saliency and being rotatable about a predetermined axis in an axial gap type motor is provided. A plurality of magnets are disposed annularly on a substrate with polarities being symmetric around a shaft hole. For instance, the magnets exhibit N pole and S pole, respectively, on the side of a stator (on this side of sheet of drawing). A plurality of magnetic members are disposed to extend perpendicularly to the direction of a rotation axis, and more specifically, between the magnets. | 06-09-2011 |
| 310269000 | Salient pole | 2 |
| 20090121583 | Brushless, windingless rotor, variable reluctance, electromechanical machines, having wound-field excitation - A combination of a unique construction format, involving two sets of rotor and stator embodiments, working in co-operation with each other, in a unique fixed, direct-axis and quadrature-axis orientation, and with unique field-winding, back-EMF cancellation, connection schemes to substantially negate the field-winding harmonic currents in the field-winding excitation circuits, and provide for a substantially square-wave shaped, open-terminal, armature output-voltage characteristic. | 05-14-2009 |
| 20100194234 | REDUCED STRESS GENERATOR POLE TIP FILLET - A reduced stress rotor tip fillet that may be utilized in generators and motors as well as other types of rotating equipment is disclosed herein. The rotor tip fillet may reduce stress via an inventive fillet configuration positioned between intersecting rotor faces. | 08-05-2010 |
| 310270000 | End turn supports | 4 |
| 20100079030 | ROTOR FOR AN ELECTRIC MACHINE - A rotor for an electric machine includes a rotor yoke having a plurality of axial winding slots distributed on an outer periphery of the rotor yoke; a winding bar disposed in one of the plurality of axial winding slots, the winding bar having at least one winding end emerging axially from the rotor yoke so as to form an end winding; and a retaining device including a plurality of radial bolts, each of the plurality of radial bolts having a head fixedly connected to a shank, wherein the retaining device retains the end winding against a centrifugal force acting on the end winding. | 04-01-2010 |
| 20140125192 | ROTOR END-BELL FOR ELECTRIC GENERATORS - A rotor end-bell ( | 05-08-2014 |
| 20150097464 | HIGH SPEED ROTOR CONNECTION SUPPORT - A rotor connection support comprising a main connection ring configured to reduce the moment load on fastener locations (such as threaded fastener locations) by integrating stand-off posts into a high strength plate are discussed herein. These stand-offs may be configured to reduce the stresses on the high stress concentration/low cross section threads. Also, included is an improved wire routing and wire support configured to maximize the fatigue cycles of the main field lead wires. | 04-09-2015 |
| 20150349601 | Rotor Assembly Having a Functional Carrier - A rotor for an electrodynamic machine, in particular an electric motor, is disclosed. The rotor includes a rotor packet having a first rotor end and a second rotor end as well as a plurality of interconnected sheet metal rings. Each sheet metal ring forms a web. Further, the rotor includes a web insulation with at least one winding support element for receiving a rotor coil. In addition, the rotor includes an end sheet metal element with at least one support element, where the end sheet metal element is at least partially integrated into the winding support element. | 12-03-2015 |
| 310271000 | Banding | 1 |
| 20130193802 | SPINNING PROCESSING METHOD AND ROTOR SHAFT - In a spinning processing method of processing cylindrical parts includes: joining at least two sheets of metal plates by bring together sheet surfaces of the metal plates; rotating the metal plates using a rotating shaft that is arranged perpendicular to the sheet surfaces of the metal plates; applying a separating and deforming force at a coupling position on a periphery of the at least two sheets of the metal plates to separate and deform the metal plates while the at least two sheets of the metal plates rotate; and applying a cylinder forming force to at least one of the metal plates to form a cylinder along the rotating shaft. | 08-01-2013 |
