| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 029732000 | Motor or generator | 41 |
| 20080295320 | APPARATUS AND METHOD FOR THE INSTALLATION OF A PRE-ASSEMBLED STATOR CORE - The present invention comprises a method and apparatus for installing a stator core, or portions thereof, into a power generator frame | 12-04-2008 |
| 20090031555 | Rotor to Stator Temporary Interconnection Element for Bearingless Electric Machine - A temporary interconnection element to be installed between the rotor and the stator of a bearingless electric machine, for example during its transport, storage or assembly is described herein. The interconnection element is so designed that the rotor may be secured to an external assembly, such as for example the shaft of an internal combustion engine, before the element is removed from its interconnection position. | 02-05-2009 |
| 20090031556 | Tool for driving wedges or slides - A tool is disclosed for driving a slide under a wedge within a slot of an armature or field of a dynamoelectric machine. The tool comprises a frame including a pair of elongated rail members; a force application block located between the rail members; a drive connected to the frame, substantially intermediate opposite ends of the frame; a lead screw threadably engaged at one end with the force application block and connected at an opposite end to the drive such that the drive rotates the lead screw when actuated. Rotation of the lead screw causes axial movement of the force application block. The armature or field includes a core, and this core may have one or more vent slots for facilitating ventilation of the armature or field. A slot plate for locating the tool relative to the slide is present, and a portion of the slot plate extends into one or more vent slots. The slot plate establishes a reaction point for forces applied by the force application block to the stator slide. | 02-05-2009 |
| 20090031557 | TOOL FOR DRIVING WEDGES OR SLIDES - A tool is provided for driving a slide or wedge within a slot of an armature or field of a dynamoelectric machine. The armature or field includes a core, and the core includes one or more vent slots for facilitating ventilation of the armature or field. The tool includes a drive for applying a driving force, and a push block is connected to the drive. At least one guide rail is configured to cooperate with the push block. The drive operates on the push block to drive a slide or wedge. The at least one guide rail reduces deflection or skew of the push block during a driving operation. | 02-05-2009 |
| 20090038146 | LAMINATED IRON CORE, METHOD AND DIE MACHINE FOR MANUFACTURING THE SAME - A laminated iron core includes a plurality of stacked iron core pieces punched out from a thin steel sheet material, each iron core piece including a plurality of slot holes for receiving coil windings. At least one electrically insulating sheet piece is stacked on an outer surface of a lowermost iron core piece. The electrically insulating sheet pieces include a spindle hole and a plurality of slot holes which have a substantially similar configuration to, but are smaller than, the slot holes of the iron core pieces whereby edges of slot holes of electrically insulating sheet pieces extend outwardly beyond edges of slot holes of iron core pieces. Burrs formed at edges of slot holes of iron core pieces are covered with edges of slot holes of electrically insulating sheet pieces so that a coil can be wound safely without directly contacting the burrs. | 02-12-2009 |
| 20090271975 | Jig for assembling rotor - The jig includes an upper jig part, a lower jig part, a support plate, a guide jig part, and a spring. The upper jig part has a pressure protrusion for press-fitting a rotating shaft, and applies pressing force to the rotating shaft. The lower jig part supports a rotor casing in a direction which is opposite the acting direction of the pressing force. The support plate is mounted to the lower jig part, and supports the rotor casing in a direction which is opposite that of the force for press-fitting the rotating shaft. The guide jig part supports the rotor casing in a direction which is opposite that of reaction force generated in the rotor casing by the support plate. The spring elastically biases the guide jig part towards the rotor casing. | 11-05-2009 |
| 20090277001 | LEAD WIRE INSERTION DEVICE - A lead wire insertion device includes a first chuck member and a second chuck member, each of which is separable, and connects a coil terminal of a cassette coil to a terminal of a connection terminal. The first chuck member is divided into the first chuck inner member and a first chuck outer member at a first division position that is inside both ends of a cross section of the coil terminal in a lateral direction, and that is offset from a center of the cross section in the lateral direction. The second chuck member is divided into the second chuck inner member and a second chuck outer member at a second division position that is inside the both ends of the cross section of the coil terminal in the lateral direction, and that is offset from a center of the cross section in the lateral direction. | 11-12-2009 |
| 20090300905 | FIXING DEVICE - A fixing device for a voice coil motor component includes a first clamp, a second clamp and a connecting element. The first clamp has a first surface which defines a first recess. The second clamp has a second surface which defines a second recess. The connecting element engages the first clamp and the second clamp to fix the voice coil motor component between the first clamp and the second clamp. | 12-10-2009 |
| 20090300906 | STATOR MANUFACTURING APPARATUS - A nozzle unit includes first, second, and third nozzles for discharging a sealant, and is movable toward and away from a stator by a vertically moving unit. The stator is disposed in a position facing the nozzle unit and is angularly movable successively through given angles by a rotary unit. The first, second, and third nozzles are moved radially outwardly in synchronism with each other by a link mechanism, and then lowered by the vertically moving unit at a position facing a first filling groove or a second filling groove of the stator. The first, second, and third nozzles thus lowered introduce the sealant into the first filling groove or the second filling groove. | 12-10-2009 |
| 20090313815 | ELEMENT MOUNTING APPARATUS - An element mounting apparatus includes a movable arm, an electromagnet, a first controller and a glue dispenser. The glue dispenser includes a plate body and a second controller. The plate body includes an inner space containing glue, a through hole defined therein, and a plurality of spaced glue outlets formed in the first surface and communicating with the inner space. The second end of the electromagnet engages the through hole to attract the magnetic element on the first surface of the plate body with the glue outlets surrounding, and repelling the magnetic element to the retainer. The second controller ejects glue out of the inner space of the plate body via the glue outlets, thereby adhesively mounting the magnetic element to the retainer. | 12-24-2009 |
| 20090320279 | APPARATUS AND METHOD FOR REMOVING SLIP RINGS FROM ROTATING ELECTRICAL MACHINERY - An apparatus and method for removing slip ring assemblies from rotating electrical machinery. The apparatus attaches directly to the slip ring assembly through bolted connection points for ease of installation and removal. A jacking mechanism provides mechanical leverage to pry the slip ring from its heat-shrunk fit mounting location in a manner that is reliable and safe for the service worker and the slip ring assembly. The apparatus is lightweight and portable, facilitating use with electrical generators in the field and especially with wind turbine generators located on a wind turbine tower. | 12-31-2009 |
| 20100018039 | FILTER, DUPLEXER AND COMMUNICATION APPARATUS - A stator manufacturing apparatus for manufacturing a stator efficiently includes a base plate, a plurality of radially inward displacing jigs disposed radially in an annular pattern on the base plate and which are radially displaceable toward and away from each other, a plurality of core holding jigs disposed radially inward of the radially inward displacing jigs and which are radially displaceable toward and away from each other, a movable plate disposed vertically upward of the base plate and which is vertically movable toward and away from the base plate, a cam disposed on the movable plate for displacing the radially inward displacing jigs radially toward each other when the movable plate is lowered, and a spacer holding jig for holding spacers that are inserted between adjacent separate cores. | 01-28-2010 |
| 20100101080 | Apparatus for Assembling Rotor of Permanent Magnet Motor - Apparatus for assembling a permanent magnet rotor comprising a rotor fixture configured to slide over a smaller diameter bearing section of the rotor and abutting one end of a center axial section of the rotor and a split compression ring having an inner diameter that is sized to ride over the outer diameter of magnets in magnet carriers assembled on the rotor fixture. | 04-29-2010 |
| 20100115762 | HORIZONTAL ASSEMBLY OF STATOR CORE USING KEYBAR EXTENSIONS - The present invention provides an apparatus for the horizontal stacking of laminations | 05-13-2010 |
| 20100269331 | DYNAMO-ELECTRIC MACHINE COMPONENT WINDING METHODS AND APPARATUS - Stator designs have wide-mouth slots between adjacent poles. Wire coils with high slot fill conductivity are formed around the poles. In some designs, the wire coils are wave wound around the poles. Thick bar conductors can be used for making the wire coils. The wire coils may be inserted using nozzle dispensers or transferred from a pre-form mandrel. In other designs, the wire coils are pre-formed on transferable pockets that are then mounted on the poles. Optional pole extensions or shoes can be attached to the stator poles after the wire coils are formed around the poles. | 10-28-2010 |
| 20110061228 | EQUIPMENT FOR MANUFACTURING STATOR - Equipment for manufacturing a stator comprises a coil conduction mechanism which can supply a current to input terminals of a stator, and a heater mechanism having first and second panel heaters which are provided to face the stator. Heat is generated from a coil by supplying a current to the coil from the coil conduction mechanism and sealants filling the stator are heated. On the other hand, the first and second panel heaters are heated by supplying a current and the sealants are heated from the outside. The operation is controlled such that the heating temperature for the sealants by heat generated from the coil and the heating temperature for the sealants by the heater mechanism are uniform. | 03-17-2011 |
| 20110072652 | METHOD OF WINDING A PLURALITY OF STATOR TEETH OF A SEGMENTED STATOR CORE - A winding apparatus includes a mounting fixture configured to support a plurality of stator teeth. The mounting fixture is configured to rotate about an axis defined by each of the plurality of stator teeth. A plurality of stator tooth holding elements are connected to the mounting fixture. The plurality of stator tooth holding elements retain a select one of the plurality of stator teeth relative to the mounting fixture. The mounting fixture is selectively rotated about the central axis of at least one of the plurality of teeth to apply wraps of wire to the one of the plurality of stator teeth while at the same time rotating others of the plurality of stator teeth. A wire guiding member is supported by the mounting fixture. The wire guiding member is configured and disposed to establish a desired length of wire between adjacent ones of the plurality of stator teeth. | 03-31-2011 |
| 20110088253 | TURBINE INSTALLATION METHOD - The present invention provides a method of installing a hydroelectric turbine onto the seabed or the like while ensuring that a pre-laid electrical cable connected to the turbine prior to lowering to the seabed is not damaged during installation of the turbine, the method involving lowering the turbine towards the seabed while simultaneously displacing the turbine in order to maintain tension in the electrical cable. | 04-21-2011 |
| 20110162199 | PERMANENT MAGNET ROTOR INSTALLATION SYSTEMS - Embodiments of the invention relate generally to rotor installation systems and, more particularly, to permanent magnet rotor installation systems, including those having an in situ magnetizer or magnet insertion device. In one embodiment, the invention provides a rotor installation system comprising: at least one magnetizer for permanently magnetizing a ferromagnetic material; and an arbor for receiving a rotor having at least one portion including a ferromagnetic material, wherein the at least one magnetizer is positioned relative to the arbor to allow permanent magnetization of the ferromagnetic material. | 07-07-2011 |
| 20110214281 | HORIZONTAL ASSEMBLY OF STATOR CORE USING KEYBAR EXTENSIONS - The present invention provides an apparatus for the horizontal stacking of laminations | 09-08-2011 |
| 20110283529 | APPARATUS FOR LOADING STATOR WINDINGS INTO A STATOR CORE - An apparatus for loading stator windings into a stator core includes an arbor member including a body having an outer diametric portion and a central axis. The outer diametric potion includes a plurality of slots. The apparatus also includes a guide track having a first end that extends to a second end through a slide portion. The first end is positioned adjacent the outer diametric portion of the arbor member. At least one of the guide track and the arbor member is selectively positionable to guide slot segment portions of a stator winding into predetermined ones of the plurality of slots. | 11-24-2011 |
| 20120192409 | Component Positioning Structure for Components Received in a Motor's Shaft Tube - A component positioning structure for components received in a motor's shaft tube is disclosed. The component positioning structure includes a base and a stator unit. The base has a shaft tube, wherein the shaft tube has an opening end having a deformable portion. The stator unit is fitted to an outer circumferential wall of the shaft tube and has a pressing portion, wherein the pressing portion abuts against the deformable portion and causes deformation of the deformable portion, allowing the deformable portion to reduce an inner diameter of the opening end. | 08-02-2012 |
| 20120266456 | APPARATUS FOR RETAINING A PACKAGE OF LAMINATIONS OF AN ELECTROMAGNETIC CORE IN A DEVICE FOR THE PRODUCTION THEREOF - An apparatus for retaining a package of laminations of an electromagnetic core in a device ( | 10-25-2012 |
| 20120291268 | AUXILIARY TOOL FOR ASSEMBLING VOICE COIL MOTOR - An auxiliary tool, for assembling a number of voice coil motors, includes a number of trays, a rod member, and two limiting members. Each of the trays includes a main portion and a plurality of support arms extending away from the main portion. The main portion includes a top surface and a bottom surface. The support arms and the main portion cooperatively define two receiving spaces respectively on the top surface and the bottom surface. Each voice coil motor is received in two receiving spaces of two neighboring trays and clamped by the two neighboring trays. The rod member passes through trays and the voice coil motors. The two limiting members are sleeved over the rod member at two ends of the rod member. The trays and the voice coil motors are limited between the two limiting members. | 11-22-2012 |
| 20130031777 | ELEVATOR MODIFICATION WORK APPARATUS - An elevator modification work apparatus for disposing a coupling shaft mounting aperture on an end surface of a motor shaft includes a positioning member on which a recess portion is disposed into which the motor shaft is fitted. Displacement of the positioning member relative to the motor shaft in a direction that is perpendicular to the axis of the motor shaft is restricted by fitting the end portion of the motor shaft into the recess portion. A motor shaft positioning aperture that passes through the positioning member in a direction that intersects a bottom surface of the recess portion is disposed on the recess portion. A position at which to dispose the coupling shaft mounting aperture on the end surface of the motor shaft is specified by a position of the motor shaft positioning aperture when the end portion of the motor shaft is fitted into the recess portion. | 02-07-2013 |
| 20130067735 | DEVICE TO FACILITATE THE ASSEMBLY AND FIXATION OF A JUNCTION BOX IN AN ELECTRICAL ENGINE - “DEVICE TO FACILITATE THE ASSEMBLY AND FIXATION OF A JUNCTION BOX IN AN ELECTRICAL ENGINE”, being the device to facilitate the assembly and fixation of a junction box belonging to an old engine to be replaced by a new engine, even there being differences between perforation standards noticed in old junction box and in the new electrical engine; said device is referred by number ( | 03-21-2013 |
| 20130318783 | AUXILIARY TOOL FOR ASSEMBLING VOICE COIL MOTOR - An auxiliary tool for assembling a number of voice coil motors includes a number of trays, a rod member, and two limiting members. Each tray defines a through hole. The rod member passes through the through holes of the trays. The two limiting members are sleeved over the rod member at two ends of the rod member, the trays being between the two limiting members, each two neighboring trays being configured for clamping a respective one of the voice coil motors. | 12-05-2013 |
| 20140013592 | INSERTION SYSTEM FOR ELECTRICAL CONDUCTOR - An insertion system for electrical conductors is provided that can widen the gap between insulating paper. An insertion system ( | 01-16-2014 |
| 20140259647 | CUTTING MACHINE FOR PRODUCING STACKED LAMINA ELEMENTS OF AN ELECTRICAL MACHINE STATOR - A cutting machine for producing lamina elements includes a cutting mechanism for cutting out a first lamina element from a foil at a first position within the foil and for cutting out a second lamina element from the foil at a second position within the foil. With respect to a centerline of the foil the first position has a first distance and the second position has a second distance being different to the first distance. The cutting machine is adapted for releasing the cut out first lamina element and the cut out second lamina element, such that by utilizing the gravitational force the first lamina element and the second lamina element are transferred to a container, in which they are arranged in a stacked and in an aligned manner with respect to each other. | 09-18-2014 |
| 20140338188 | Motor Stator Automatically Assembling System - A motor stator automatically assembling system includes a feeding unit, a wire-winding unit, a first conveyer unit, a second conveyer unit, a first assembly unit and a second assembly unit. A motor stator automatically assembling method includes: the feeding unit is operated to feed a plurality of insulation members; the insulation members are arranged on the first conveyer unit to convey to the wire-winding unit; the wire-winding unit is operated to wind wires on the insulation members to form a plurality of wire-wound insulation members; the wire-wound insulation members are arranged on the second conveyer unit to convey to the first assembly unit; the first assembly unit is operated to insert pole teeth into the wire-wound insulation members to form a plurality of compact pole tooth sets; the second assembly unit is operated to combine the compact pole tooth sets with a stator ring frame to form an assembled motor stator. | 11-20-2014 |
| 20150107098 | SHAFT ASSEMBLING STRUCTURE - A shaft assembling structure includes a shaft hole formed on a motor rotor and a shaft with a shaft end sheathed on a shaft hole of the motor rotor. The shaft assembling structure further includes a direction setting member secured to the top of the motor rotor and embedded with the shaft, and at least one direction setting member disposed at the bottom of the shaft assembling structure and extended into the first direction setting portion of shaft hole. The shaft end of the shaft includes at least one second direction setting portion embedded into the corresponding first direction setting portion. When the second direction setting portion is aligned precisely with the first direction setting portion, the shaft hole of the motor rotor is sheathed on the shaft end of the shaft to facilitate the process of recognizing and confirming the rotating direction of the shaft. | 04-23-2015 |
| 20160056695 | PRODUCTION LINES FOR PRODUCING CORE COMPONENTS OF DYNAMO ELECTRIC MACHINES - A production line ( | 02-25-2016 |
| 20160153423 | SYSTEM FOR CENTERING WYE RING IN-SITU | 06-02-2016 |
| 20160164385 | TOOL FOR MAKING GENERATOR BARS - A tool for shaping generator bars for large power generators. In particular, a tool for shaping a stator bar out of a straight unprocessed bar. | 06-09-2016 |
| 029733000 | Means to assemble commutator | 1 |
| 20100236059 | STATOR MANUFACTURING APPARATUS - An stator manufacturing apparatus including: a stator core having radial slots formed at positions in a circumferential direction so as to open in an inner peripheral surface thereof; and a rectangular cross-section rectangular wire formed in a substantially cylindrical shape and forms a coil winding, and has linear portions that are respectively disposed in the radial slots and formed in parallel to the slots, continuous portions that alternately connect one end of the adjacent ones of the linear portions to each other and alternately connect the other end thereof to each other, and bent portions that are formed by bending one end side of the linear portions radially inward. The rectangular wire is disposed on the stator core in a distributed winding arrangement. The apparatus includes an substantially cylindrically-shaped insertion jig from which the rectangular wire is axially detachable, and having protrusions respectively provided at positions aligned with the slots on an outer peripheral surface thereof to protrude radially, and one end-side restricting members respectively provided at positions offset from the protrusions formed in the circumferential direction on an inner diameter side of an inscribed circle of teeth each located between adjacent ones of the slots so as to protrude toward one axial end side. The radial positions of the linear portions are restricted by disposing the rectangular wire from one end side of the insertion jig and disposing the linear portions so as to radially overlap the protrusions, respectively, and circumferential positions of the linear portions are restricted by disposing each of the bent portions between the one end-side restricting members. With the linear portions and the slots being aligned with each other, the insertion jig is inserted into the stator core from the one end side of the insertion jig, and is removed from the stator core toward the other end side, so as to respectively dispose the linear portions at predetermined positions in the slots. | 09-23-2010 |
| 029734000 | Means to position insulation | 1 |
| 20190149024 | METHOD AND APPARATUS FOR PRODUCING AN INSULATION ELEMENT | 05-16-2019 |
| 029736000 | Including deforming means | 5 |
| 20100180433 | APPARATUS FOR PRODUCING A COIL WINDING FOR STATORS OR ROTORS OF ELECTRICAL MACHINES, AND STATOR OR ROTOR PRODUCED THEREBY - An apparatus for producing a coil winding for stators is described, in which each coil turn rests, with one fillet ( | 07-22-2010 |
| 20140090240 | APPARATUS AND METHOD FOR MANUFACTURING COIL MEMBERS FOR CORES OF DYNAMO ELECTRIC MACHINES BY BENDING - Apparatuses and method for manufacturing coil members ( | 04-03-2014 |
| 20140237811 | METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES - A twisting method is described, for twisting free end portions of bar conductors for the stator or rotor bar winding of an electrical machine. The twisting method allows achieving a non uniform twisting of the bar conductors from the welding side of the stator or rotor core by means of a twisting fixture. The twisting fixture comprises a pocket member including a main structure provided with an arc of adjacent pockets and a secondary structure, provided with at least one further pocket, which can axially translate with respect to the main structure. | 08-28-2014 |
| 20140290048 | PRESS-FITTING STRUCTURE - A press-fitting structure has a press-fitting, face of a rotor yoke formed from a laminated. steel sheet is press fitted onto a face to be press-fitted of a rotor shaft, fitting is carried out with plastic deformation while the first projection of a press-fitting face of a rotor yoke, on which a first projection and a first recess extending in substantially the press-fitting direction are formed in turn, and the second projection of the face to be press-fitted of the rotor shaft, on which a second. projection and a second recess extending in the direction intersecting the press-fitting direction are formed in turn, are in contact with each other. Since in a state in which press fitting is completed, the amount of plastic deformation of the second projection of the rotor shaft is larger than the amount of plastic deformation of the first projection of the rotor yoke. | 10-02-2014 |
| 20160118870 | MANUFACTURING APPARATUS FOR A STATOR CORE - The manufacturing apparatus for a stator core has a servo pressing device, a mold, a punch assembly, a first cylinder, a second cylinder and a third cylinder. The mold is mounted on the servo pressing device and has an upper seat and a lower seat. The punch assembly is mounted in the upper seat. The first cylinder, the second cylinder and the third cylinder are mounted on the mold. The stator laminations are respectively punched by the punch assembly of the manufacturing apparatus, and are automatically stacked in the mold. The groups of stator laminations stacked in the recess are respectively pushed by the second cylinder and respectively pressed by the third cylinder. The stator laminations are automatically stacked and pressed in the mold without manpower. Therefore, the manufacturing apparatus of stator core can save manpower and reduce the equipment cost. | 04-28-2016 |
