Including Deforming Means Patents (Class 29/736)
-
Patent number: 6019141Abstract: Method and apparatus for forming a multi-lobed winding for the stator of an alternator, particularly for use in the automotive field and of the type comprising turns defining a star-shaped configuration having a plurality of radial lobes alternated with hollows.Type: GrantFiled: December 3, 1998Date of Patent: February 1, 2000Assignee: Polytool S.r.L.Inventor: Giorgio Barrera
-
Patent number: 6009618Abstract: A stator coil winding is produced by supplying a wire to a winding frame from a nozzle, holding a terminal end of the wire with a holding device, rotating the winding frame with a driving device to wind the wire around the winding frame while the nozzle is moved by a nozzle-moving device parallel to a rotary shaft of the winding frame, holding a terminal end of the wire wound around the winding frame with the holding device after the wire is completely wound around the winding frame, and carrying the completely wound winding frame to a coil insertion jig with a transferring device. The winding frame is separated into winding frame elements at a face orthogonal to the rotary shaft of the winding frame, and the winding frame elements are rotated about a fulcrum in a vicinity of the face to thereby hold the separated winding frame elements so that rotary shafts of the separated winding frame elements are parallel to each other, by a handling mechanism.Type: GrantFiled: September 16, 1997Date of Patent: January 4, 2000Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshihiro Takahata, Kunihiro Nishiyama, Keiji Naitou, Shigeki Munezawa
-
Patent number: 6011340Abstract: A dynamo-electric core which has a lamination stack defining an axial bore therethrough is wrapped by a wire coil having a coil lead. A mounting member is axially movable within said axial bore between a first position and a second position. A coil lead anchoring structure is positioned adjacent an end portion of said mounting member and is axially movable with said mounting member. When the mounting member is in the first position, there is adequate space for winding apparatus and fusing apparatus for placing and securing the coil lead to the coil lead anchoring structure. When the mounting member is in the second position, the axial length of the dynamo-electric core is reduced.Type: GrantFiled: March 26, 1999Date of Patent: January 4, 2000Assignee: Axis USA, Inc.Inventor: Walter Bonura
-
Patent number: 6006416Abstract: In one face of an annular permanent magnet 20, notch recesses 30 and 31 are formed in diameter directions which are different in phase by 90.degree. and used as positioning recesses 30 and fixing recesses 31. The positioning recesses 30 are positioned with respect to a mounting jig 41 by keys 61 which are similar to a magnetizing head, and fixed in the portions of the fixing recesses 31 by plastic working which is performed on an end face 62 of a case 18 by incision and bend cutters 48. Therefore, both the magnetization and the mounting can be performed by using the same reference, i.e., the positioning recesses 30 of the permanent magnet 20, and hence the accuracy of the magnetized positions can be ensured.Type: GrantFiled: July 28, 1998Date of Patent: December 28, 1999Assignee: Kabushiki Kaisha Sankyo Seiki SeisakushoInventors: Masayuki Katagiri, Hiromitsu Takei
-
Patent number: 5992007Abstract: An apparatus for covering a plurality of permanent magnets on a rotor with a cylindrical sleeve has a movable jig, a holder jig having a plurality of insertion grooves for inserting therein the permanent magnets disposed in grooves of the rotor, the holder jig and the movable jig being pressable partly into an insertion end of the cylindrical sleeve, a plurality of resilient members disposed in the insertion grooves for pressing the permanent magnets against the outer circumferential surface of the rotor, and a presser device for inserting the movable jig, together with the rotor and the permanent magnets into the cylindrical sleeve under the guidance of the holder jig. The permanent magnets on the rotor are reliably and efficiently covered with the cylindrical sleeve without the need for an adhesive to secure the permanent magnets to the rotor.Type: GrantFiled: April 18, 1997Date of Patent: November 30, 1999Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Kenji Morii, Atsushi Kitajima, Mamoru Sasaki, Tokio Kikuchi
-
Patent number: 5950300Abstract: For use with a robot having an end effector for connecting stator coil lead wires to trough-shaped terminals, tamper members are slidably mounted on a terminal crimping and lead wire cutting member. Air actuators drive the tamper members toward the terminals when the end effector is manipulated to place the lead wires into the terminal troughs.Type: GrantFiled: October 28, 1997Date of Patent: September 14, 1999Assignee: Globe Products Inc.Inventor: Lawrence E. Newman
-
Patent number: 5946792Abstract: Stator coils are wound on a stator winding station and at least some of the coil leads are aligned, at the winding station, with terminal members on the distal end of the stator (opposite the winding head). The leads are held in temporary wire clamps adjacent the proximal end of the stator (closest to the winding head), and the stator and the wire clamps are transferred together to a lead terminating station where tooling is provided to terminate coil leads to the terminal members on the distal end of the stator without reorientation of the stator's longitudinal axis. Terminations are also made to the proximal end of the stator. The coil lead termination tooling serves both to connect the coil leads to the terminal member on the distal end of the stator and to sever the leads closely adjacent their respective terminal members.Type: GrantFiled: February 24, 1998Date of Patent: September 7, 1999Assignee: Globe Products Inc.Inventor: John M. Beakes
-
Patent number: 5946796Abstract: A tool for forming wire windings located in stator slots defined between radially extending stator teeth. The tool includes a fixture supporting a plurality of elongated fingers wherein each finger includes a plurality of sections spaced longitudinally along the finger, each section defining a width dimension different from the width dimension of an adjacent section. The width dimensions of the sections progressively increase from a distal end of the finger to a proximal end of the finger. A linear actuator is provided for moving the fixture toward and away from a stator whereby the fingers are inserted between the teeth in the stator to cause wire wound around the teeth to be pressed against the teeth.Type: GrantFiled: November 14, 1997Date of Patent: September 7, 1999Assignee: Labinal Components & Systems, Inc.Inventor: Jerry C. Burch
-
Patent number: 5942827Abstract: The present invention refers to an electric motor comprising a stator with an internal permanent magnet and a tubular magnetic return sleeve surrounding said permanent magnet whereby an annular air gap is formed therebetween, said magnetic return sleeve being held at its axial and radial positions relative to said permanent magnet by a frame of plastic material injected around these two components and being connected to said permanent magnet by said plastic frame. The present invention aims at improving the manner in which the two structural components are attached to and positioned on one another.Type: GrantFiled: April 3, 1997Date of Patent: August 24, 1999Assignee: Interelectric AGInventors: Frank Neumann, Joachim Steffan, Jurgen Mayer
-
Patent number: 5926941Abstract: A pallet and system for transporting armatures along an armature manufacturing line, where the armatures may change in configuration at different stations of the manufacturing line, accommodates the various configurations without requiring a change of pallets at a station at which a configuration change occurs. The pallet has multiple sets of seats, each set corresponding to one of the configurations that the armature may assume during processing. Whenever the configuration of the armature changes from a first configuration to a second configuration, the armature, having been removed from a set of seats that accommodates the first configuration, is replaced in a set of seats accommodating the second configuration. One way of accomplishing the transfer is, after lifting the armature from the first set of seats, allowing the pallet to advance by the distance separating the first and second sets of seats.Type: GrantFiled: June 26, 1997Date of Patent: July 27, 1999Assignee: Axis USA, Inc.Inventors: Paolo Neri, Walter Bonura
-
Patent number: 5918359Abstract: A process and apparatus for manufacturing lamina stacks used to form rotor or stator cores for electric motors. In the process of forming a plurality of blanked lamina, a blanking and tacking machine forms dimples in the laminas prior to coaxially stacking the laminas. The lamina may also include interlocking portions so that the lamina stack may be interlocked. The dimples are located at offset positions relative to adjacent laminas to cause the laminas of the stack to be spaced apart. The spaced apart stack may be subject to annealing which relieves metal stress in the stack and causes the formation of a desired non-conductive layer on the surfaces of the laminas. The annealed lamina stack may then be compressed to bring the laminas into abutting relation to be subsequently manufactured into rotor or stator cores.Type: GrantFiled: June 20, 1994Date of Patent: July 6, 1999Assignee: L.H. Carbide CorporationInventor: Thomas R. Neuenschwander
-
Patent number: 5895004Abstract: An apparatus for winding wire onto a magnetic ring structure defining slots for receiving wire coils formed thereon. The apparatus includes a mounting structure for holding the ring structure and a platform supported within the peripheral area defined by the ring structure, the platform supporting a wire feed mechanism and a wire forming mechanism. A guide member is supported on an end of the platform adjacent to the ring structure and includes a face plate which is spring biased into engagement with the ring structure to thereby prevent wire from slipping out of the slots in the ring structure as the coils are wound. The guide member, along with the platform carrying the wire feed mechanism and wire forming mechanism, is mounted for rotational movement about a rotational axis, and is further supported for movement in horizontal and vertical directions, perpendicular and parallel to the rotational axis, respectively.Type: GrantFiled: April 6, 1998Date of Patent: April 20, 1999Assignee: Labinal Components & Systems, Inc.Inventor: Jerry C. Burch
-
Patent number: 5864940Abstract: A stator coil winding is produced by supplying a wire to a winding frame with a nozzle, holding a terminal end of the wire by a holding device, rotating the winding frame with a driving device to wind the wire around the winding frame while the nozzle is moved by a nozzle-moving device parallel to a rotary shaft of the winding frame, holding a terminal end of the wire wound around the winding frame with the holding device after the wire is completely wound around the winding frame, and carrying the completely wound winding frame to a coil insertion jig with a transferring device, separating the winding frame into winding frame elements at a face orthogonal to the rotary shaft of the winding frame, and the winding frame elements are rotated about a fulcrum in a vicinity of the face to thereby hold the separated winding frame elements so that rotary shafts of the separated winding frame elements are parallel to each other, by a handling mechanism.Type: GrantFiled: December 1, 1995Date of Patent: February 2, 1999Assignee: Matsushita Electric Industrial Co., LtdInventors: Toshihiro Takahata, Kunihiro Nishiyama, Keiji Naitou, Shigeki Munezawa
-
Patent number: 5860615Abstract: A winding and forming tool attachable to a winding machine spindle shaft for reciprocating movement along and rotational movement about a longitudinal axis thereof includes an elongated winding spindle having generally radially extending slots therethrough located at longitudinally spaced apart locations along the winding spindle, and a plurality of forming racks are provided, each of the forming racks being slidably disposed within one of the generally radially extending slots. A rotatable spline shaft is at least partially disposed within the winding spindle for engaging the forming racks in a manner causing sliding movement of the forming racks along the slots to extend and retract them relative to an external surface of the winding spindle. A wire is guided internally through the winding spindle from one end thereof to an aperture in a radially facing external surface of the winding spindle.Type: GrantFiled: March 20, 1997Date of Patent: January 19, 1999Assignee: Labinal Components and Systems, Inc.Inventor: Jerry C. Burch
-
Patent number: 5855058Abstract: Armature start and finish wires are trimmed after connection to their associated commutator tang by use of a knife edge carried by an otherwise conventional lead guide mechanism. The lead guide mechanism moves the knife edge into position against the coil lead, and the coil lead is drawn across the knife edge by pivotal movement of a wire gripper holding the lead. The knife edge preferably comprise a blade removably secured to a portion of the lead guide mechanism, but the knife edge may alternatively be formed, by machining for example, on a part of the lead guide mechanism itself.Type: GrantFiled: April 18, 1996Date of Patent: January 5, 1999Assignee: Globe Products Inc.Inventors: Nicholas A. Lewchenko, E. Wayne Zicht
-
Patent number: 5845392Abstract: Stators having wave wound coil for electric motors or other dynamo-electric machines are manufactured by a production line having a series of interconnecting conveyors running to various processing workstations. The workstations are of three primary types: wave coil forming and insertion stations, prefinishing stations and a final finishing stations. Every workstation of a given type may process any or all phases of a given stator. The stators are transported along the conveyor by pallets which are encoded with information denoting the production status of the stator on the pallet. By providing the workstations with the capability to read the encoded information and adapt themselves for processing based on that information, efficiency is increased because the first available workstation may be selected and individual workstations may be bypassed if other than normal operating conditions are occurring in a workstation without impacting the entire production line.Type: GrantFiled: December 13, 1995Date of Patent: December 8, 1998Assignee: Axis USA, Inc.Inventors: Giuseppe Cardini, Roberto Orecchia
-
Patent number: 5829118Abstract: A method of producing a slotless wound stator for an electric machine wherein coils are pre-formed and located on the location pins of a transfer tool. The transfer tool with the winding coils thereon is then inserted into the stator shell. Coil guides comb the coils during insertion so that the active portions of the winding are relatively straight and parallel to the axis. When the winding is in place, the location pins are retracted and the transfer tool forces the end turns outward. When the end turns are flared outwardly, the transfer tool is removed.Type: GrantFiled: March 11, 1996Date of Patent: November 3, 1998Assignee: Kollmorgen CorporationInventor: Thomas E. Gates
-
Patent number: 5826321Abstract: Improvements in coil placing tooling of the type employed to insert prewound coils in the slots of dynamoelectric machine stator cores which tooling has an annular collet for maintaining wedge guides axially and radially in position, and the wedge guides in turn maintain blades radially in position are disclosed. The blades are readily removable and replaceable by releasing the collet for limited displacement relative to the blades, moving the collet to a position where selected wedge guides are freed axially and radially, removing certain of the selected wedge guides, and subsequently removing certain of the blades associated with the removed wedge guides. Improvements in reversible blades for such coil placing tooling are also disclosed. Certain ones of the blades comprise an elongated blade of generally uniform cross-sectional configuration with a transverse support dowel receiving hole near each end.Type: GrantFiled: January 16, 1996Date of Patent: October 27, 1998Assignee: RMT, Inc.Inventor: Timothy K. Pease
-
Patent number: 5806170Abstract: At a time of disassembling and assembling stator windings of a dynamo-electric machine in which the stator windings fitted in slots formed to an inner periphery of a stator core disposed inside a stator frame are disassembled therefrom and conveyed outside the stator core successively and new stator windings are then conveyed into the stator core and assembled into the slots successively, a mounting apparatus is arranged between the slot and an inside conveyer for mounting the stator winding into the slot. The stator winding is disassembled from the slot into which the stator winding is inserted while receiving and holding the stator winding by a receiving member provided for the mounting apparatus. The stator winding is then moved to the inside conveyer from the mounting apparatus and then conveyed from the inside conveyer to an outside conveyer.Type: GrantFiled: October 10, 1995Date of Patent: September 15, 1998Assignee: Kabushiki Kaisha ToshibaInventors: Yoshiteru Noshita, Tadashi Washizuka, Shigehiro Hayashi, Katsune Zaitsu, Kazuo Tashiro
-
Patent number: 5802706Abstract: An apparatus for injecting a plurality of coil groups into a stator core of a dynamoelectric machine is described. The injection apparatus includes, in one embodiment, a stripper assembly including a first stripper. The first stripper includes an injection disk which, in one embodiment, is formed from nylon. A first surface of the injection disk is configured to contact a segment of at least one of the coils to move the coil axially along the blades of the injection apparatus without contacting portions of the coil in gaps between the blades.Type: GrantFiled: August 21, 1995Date of Patent: September 8, 1998Assignee: General Electric CompanyInventor: Eugene Richard Barrett
-
Patent number: 5798595Abstract: A vibrational control system for the coils of a stator includes a coil support bracket affixed to the stator, a coil support brace mounted on the coil support bracket with a shim arranged between the coil support brace and the coil support bracket, a push block arranged between the coils and the coil support brace, and control structure for controlling the vibrations of the stator coils.Type: GrantFiled: December 30, 1996Date of Patent: August 25, 1998Assignee: Westinghouse Electric CorporationInventors: Lennart S. Nilsson, Charles M. Rowe, Donald Yaffee
-
Patent number: 5781988Abstract: An improved conveying system in a parallel processing production line for dynamo-electric machine components having a magnetic core, the conveying system having a main conveyor extending along all of the processing machines of the production line and a load/unload device for transferring components between the main conveyor and a selected processing machine. Components to be processed are loaded directly from the main conveyor onto the load/unload device without the use of an intermediate conveyor. The load/unload device has a base platform with an alignment area at which transfer between the load/unload device and either the main conveyor or a selected processing machine occurs. Two component holders (e.g., collets) are movably mounted on the base platform for alternate positioning at the alignment area. The load/unload device alternately positions the gripping ends of the component holders adjacent the main conveyor and a selected processing machine.Type: GrantFiled: February 25, 1997Date of Patent: July 21, 1998Assignee: Axis USA, Inc.Inventors: Alessandro Faraoni, Massimo Lombardi, Maurizio Mugelli
-
Patent number: 5778518Abstract: In a device (1) for pressing in slot sealing pieces (12, 14) for winding bars (20) inserted into the slots of a stator laminated core of an electric machine, a plunger (8) is arranged by means of a force-generating device (4) in a collet (2) with a cam (3). The plunger (8) and the cam (3) are situated opposite one another and move toward one another in the fashion of a screw clamp during operation of the force-generating device (4). In this arrangement, when slot sealing pieces are pressed in the cam (3) engages in an axial slit (11) of a first, upper prismatic body (12), and the plunger (8) acts on an end face (13) of a second, lower prismatic body (14). The device (1) for pressing in slot sealing pieces (12, 14) is arranged with lifting devices (22) on a support frame (23) which can be moved along the slot sealing pieces (12, 14) in the stator laminated core.Type: GrantFiled: April 16, 1996Date of Patent: July 14, 1998Assignee: Asea Brown Boveri AGInventors: Albert Huber, Armin Kech, Albert Kopp, Rainer Spielmann
-
Patent number: 5765274Abstract: Stator coil lead wires are coursed along complex, circuitous paths on the end of a stator core and trimmed at a precise predetermined distance from the stator core. Improved end effector wire-guiding tooling member are provided in place of conventional gripper jaws to permit the lead wires to be coursed along complex, circuitous paths. In addition, an improved lead pull assembly, improved temporary wire clamps, and a wire former assembly are provided.Type: GrantFiled: December 9, 1996Date of Patent: June 16, 1998Assignee: Globe Products Inc.Inventors: John M. Beakes, Nathan A. Buckner, Gary E. Clemenz, Patrick A. Dolgas
-
Patent number: 5761794Abstract: A driving motor fixing part for being installed with an attachable driving motor and a turntable assembly fixing part for being installed with an attachable turntable assembly are coaxially installed. The turntable assembly fixing part has a penetrating tunnel, and air from inside of the tunnel is exhausted by the exhausted so that the turntable assembly can be in tight contact with the turntable assembly fixing part. A pair of legs are extended downwardly from the turntable assembly fixing part, and then the legs are bent and extended to a central axis of the turntable assembly fixing part. Extended ends of the legs have axial side walls with predetermined widths which are closely disposed at the motor shaft to grasp the motor shaft. The ends prevents the motor shaft from being warped by axially biased force in pressing the motor shaft into the turntable assembly.Type: GrantFiled: August 29, 1996Date of Patent: June 9, 1998Assignee: Daewoo Electronics Co., Ltd.Inventor: Young-Suk Choi
-
Patent number: 5758408Abstract: An apparatus for automatically press-fitting a turntable has driving motor attachably/detachably installed to/from a driving motor fixing part. A turntable assembly fixing part is attachably/detachably installed with a turntable assembly and arranged to allow a rotating shaft of the turntable assembly to be exactly coaxial with a motor shaft of the driving motor. An insertion lug is formed at a lower surface of the turntable assembly fixing part to be fitted/separated into/from a groove in an upper corresponding surface of a turntable. A motor shaft fixing part arranged to an upper portion of a drive chassis coupled to the driving motor includes a stand portion formed with an elongated guide hole for receiving/separating the motor shaft and a motor shaft supporting portion which has a sidewall upwardly bent to perpendicularly extend from an edge of the elongated guide hole of the stand portion.Type: GrantFiled: August 29, 1996Date of Patent: June 2, 1998Assignee: Daewoo Electronics Co., Ltd.Inventor: Young-Suk Choi
-
Patent number: 5755021Abstract: A stator coil lead wire is extended over the end turns of coil from which the lead wire is extended and inserted into a terminal member adjacent the opposite side of the same coil. A tooling assembly is provided having a coil shield which prevents the lead wire from becoming disengaged from the coil end turn and moving toward the center of the stator core. Additionally, a wire guide finger is provided which is movable toward and away from the stator core for enabling the lead wire to be inserted between closely spaced terminal members.Type: GrantFiled: July 7, 1995Date of Patent: May 26, 1998Assignee: Globe Products Inc.Inventors: John M. Beakes, Theodore E. Delehanty, Howard S. Hunter, Lawrence E. Newman
-
Patent number: 5742997Abstract: Pivotal jaws of wire clamps that temporarily grip stator coil lead wires are spring biased to clamp stator coil lead wires thereto when the lead wires are inserted into the clamps at a winding station, and are biased by respective air actuators to ensure release of the lead wires at a coil lead terminating station.Type: GrantFiled: February 20, 1997Date of Patent: April 28, 1998Assignee: Globe Products Inc.Inventors: John M. Beakes, Lawrence E. Newman
-
Patent number: 5735038Abstract: A magnet assembling device includes a rounding die into which a rectangular and flexible rubber magnet can be mounted in an annular manner; a die guide for guiding the rubber magnet mounted in the rounding die into a motor case; a push punch including a punching portion for inserting the rubber magnet mounted in the rounding die into the die guide and for pushing the rubber magnet out of the die guide into the motor case; and a magnetizing head for magnetizing the inner peripheral surface of the rubber magnet. The die guide is formed in a tapered shape such that the inside diameter dimension of the side thereof from which the rubber magnet is inserted is larger than the inside diameter dimension of the side thereof from which the rubber magnet is discharged.Type: GrantFiled: June 27, 1995Date of Patent: April 7, 1998Assignee: Kabushiki Kaisha Sankyo Seiki SeisakushoInventors: Hiroshi Sakashita, Masayuki Katagiri
-
Patent number: 5732900Abstract: A winding and forming tool attachable to a winding machine spindle shaft for reciprocating movement along and rotational movement about a longitudinal axis thereof includes an elongated winding spindle having a pair of longitudinally spaced apart, generally radially extending slots therethrough, and a pair of forming racks each being slidably disposed within a respective one of the generally radially extending slots. A rotatable spline shaft is at least partially disposed within the winding spindle for engaging the forming racks in a manner causing sliding movement of the forming racks along the slots to extend and retract them relative to an external surface of the winding spindle. A wire is guided internally through the winding spindle from one end thereof to an aperture in a radially facing external surface of the winding spindle. The aperture is defined by a wire access recess insert and an adjacent portion of the winding spindle.Type: GrantFiled: October 30, 1995Date of Patent: March 31, 1998Assignee: Electrowind, Inc.Inventor: Jerry Clay Burch
-
Patent number: 5687471Abstract: Permanent magnets disposed on the outer circumferential surface of a yoke are reliably and efficiently covered with a cylindrical member of fiber-reinforced resin. A covering apparatus has a holding jig for being forced into an insertion end of the cylindrical member and guiding a rotor when the rotor is inserted into the cylindrical member, and a movable jig for being forced with the holding jig into the cylindrical member, engaging a leading end of the rotor, and being inserted together with the rotor into the cylindrical member. The holding jig and the movable jig have teeth for forcibly expanding the cylindrical member radially outwardly to a diameter greater than the diameter of the rotor.Type: GrantFiled: June 14, 1995Date of Patent: November 18, 1997Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Hiroyuki Noguchi, Takeshi Mizuno, Kenji Morii, Tokio Kikuchi
-
Patent number: 5664317Abstract: Electric motor stators can have coils wound on their poles which coils have more turns than the poles could normally support by augmenting the pole with additional structures to support the added coil turns. The additional structures can be only temporarily associated with the stator, e.g., by adding them to the winding shrouds which are customarily applied to the stator during winding. Alternatively these additional structures can be permanent but non-magnetic portion of the stator, e.g., by adding them to the terminal board members of the stator.Type: GrantFiled: February 14, 1996Date of Patent: September 9, 1997Assignee: Axis USA, Inc.Inventors: Massimo Ponzio, Massimo Lombardi
-
Patent number: 5657530Abstract: In a method of inserting motor coils and slot insulators, a coil inserting jig is moved between a layer insulator inserter and a wedge inserter, and a core holder is moved between a predetermined location and the wedge inserter, so that a stator core is fitted onto the coil inserting jig when the coil inserting jig is located at the wedge inserter. The coil inserting jig receives layer insulators from the layer insulator inserter. The layer insulators are inserted into slots of the core with lower coils. Wedges are inserted into the core slots with upper coils when the coil inserting jig is located at the wedge inserter.Type: GrantFiled: July 14, 1995Date of Patent: August 19, 1997Assignee: Kabushiki Kaisha ToshibaInventors: Tsutomu Kawamura, Naoki Mizutani
-
Patent number: 5594984Abstract: An inner diameter block for blocking the inner diameter of windings of an electric motor includes a plurality of first segments and a plurality of second segments arranged in an alternating manner. The segments are movable radially outwardly to block the inner diameter of the windings. One of the segments is generally pie shaped, having an arcuate outer surface and ears extending circumferentially to define part of the outer surface. These first segments define gaps which receive second segments. The first and second segments have sloping inner surfaces which define a core in which an expanding cone is received. The cone, when moved axially in the core, urges the second segments radially outwardly. The second segments then force the first segments radially outwardly. The interaction of the second segments with the ears of the first segments provide a substantially continuous, gap-free outer surface to the inner diameter block at all stages of expansion.Type: GrantFiled: June 6, 1995Date of Patent: January 21, 1997Assignee: Emerson Electric Co.Inventors: Vernon E. Kieffer, Andrew J. Kliethermes
-
Patent number: 5586384Abstract: To reduce manufacturing cycle times, after a stator core is transferred by a transfer carriage along a track from a winding station to a coil lead terminating station at which lead wires extending from the coils to temporary wire clamps on the transfer carriage are connected by an industrial robot to terminal members on the stator core, the stator core is clamped to the track and the transfer carriage returned to the winding station immediately after the last lead wire to be removed from a temporary wire clamp is removed so that the transfer carriage returns to the winding station while the last lead wire is being connected to terminal member on the stator core.Type: GrantFiled: April 28, 1995Date of Patent: December 24, 1996Assignee: Globe Products Inc.Inventor: Lawrence E. Newman
-
Patent number: 5568681Abstract: A method for manufacturing a rotor for an electric machine, for example, a permanent-magnet excited rotor for a high-speed a.c. machine, the rotor including an inner part constituting a rotor body and an outer part including a capsule tube which, when the rotor is completed, surrounds the rotor body with a shrinkage fit, includes fixing a first of the parts in a vertical direction in relation to a counter-support, and releasing the second part from a location above the first part so that it will fall within the fixed first part under the influence of gravity.Type: GrantFiled: July 14, 1994Date of Patent: October 29, 1996Assignee: Asea Brown Boveri ABInventors: Peter Chudi, .ANG.ke Jonsson, Leif nger
-
Patent number: 5537730Abstract: Improvements in coil placing tooling of the type employed to insert prewound coils in the slots of dynamoelectric machine stator cores. Certain ones of the blades comprise an elongated blade of generally uniform cross-sectional configuration which includes a convex portion having a series of: generally parallel grooves cut therein to define intervening coil contacting lands. As compared to conventional "smooth" blades, these blades have only a portion of the area of contact with the coils and, therefor, only a fraction of the frictional resistance to coil insertion.Type: GrantFiled: June 17, 1994Date of Patent: July 23, 1996Assignee: RMT, Inc.Inventor: Timothy K. Pease
-
Patent number: 5533252Abstract: A slot insulator guide used with a coil inserting apparatus for guiding a layer insulator and a wedge having different sizes from each other toward each slot of a stator core of a dynamoelectric machine. Both side faces of the guide include a first guide face for guiding a layer insulator and a second guide face for guiding the wedge. The first guide face is parallel to its axis while the second guide face is inclined. The first guide face has in its distal end an inclined face. Each guide face has a first engaging portion with which the end of a layer insulator is engaged. Each guide face further has in its distal end a second engaging portion with which the ends of the wedge are engaged. Each engaging portion extends toward the slot. A coil inserting apparatus with which the guides are used has a first and a second stepped portions. The pusher is abutted against the layer insulator and the wedge so that the layer insulator and the wedge are pushed.Type: GrantFiled: February 27, 1995Date of Patent: July 9, 1996Assignee: Kabushiki Kaisha ToshibaInventor: Tsutomu Kawamura
-
Patent number: 5528822Abstract: Electric motor stators can have coils wound on their poles which coils have more turns than the poles could normally support by augmenting the pole with additional structures to support the added coil turns. The additional structures can be only temporarily associated with the stator, e.g., by adding them to the winding shrouds which are customarily applied to the stator during winding. Alternatively these additional structures can be permanent but non-magnetic portion of the stator, e.g., by adding them to the terminal board members of the stator.Type: GrantFiled: January 10, 1994Date of Patent: June 25, 1996Assignee: AXIS USA, Inc.Inventors: Massimo Ponzio, Massimo Lombardi
-
Patent number: 5522125Abstract: An operator sequentially inserts into an automated system for making armatures for electrodynamic machines loaded magazines containing a required number of hairpin conductors for an armature to be made, an armature core comprising a plurality of substantially aligned laminations preassembled to form the core and a commutator, and removes armatures completed by assembling these components. All the insertion and removal steps are performed from an operator's position such that operation of the system embodying the present invention is easily and conveniently performed even though the components and completed armatures can be of substantial weight. The use of a hairpin magazine, including the hairpin conductors required for an armature, permits simultaneous transfer of all the hairpin conductors into upper twist tooling wherein upper ends of the hairpin conductors adjacent end turn portions of the conductors are moved apart relative to one another.Type: GrantFiled: September 9, 1994Date of Patent: June 4, 1996Assignee: General Electric CompanyInventors: Lynn E. Bradtmueller, Gustave F. Wiedemann, David M. Pierre, Ronnie G. Smitley
-
Patent number: 5495659Abstract: Pivotal jaws of wire clamps that temporarily grip stator coil lead wires are spring biased to clamp stator coil lead wires thereto when the lead wires are inserted into the clamps at a winding station, and are biased by respective air actuators to ensure release of the lead wires at a coil lead terminating station.Type: GrantFiled: March 30, 1994Date of Patent: March 5, 1996Assignee: Globe Products Inc.Inventors: John M. Beakes, Lawrence E. Newman
-
Patent number: 5493770Abstract: Dynamo-electric machine armatures which have commutators and cores that are axially close to one another are wound with the aid of wire guiding hooking plates that are inclined to reach into the portion of the commutator that is axially adjacent to the core where the coil leads must be attached to the commutator. The hooking plate may also perform an additional extension motion in order to press the coil leads out of the way of a subsequent fusing operation. This function may alternatively be performed by a separate pusher member which is either associated with the hooking plate or independent of the hooking plate. The fusing electrode may be specially shaped to facilitate performing fusing operations axially close to the armature core.Type: GrantFiled: March 25, 1994Date of Patent: February 27, 1996Assignee: Axis USA, Inc.Inventors: Luciano Anichini, Massimo Lombardi
-
Patent number: 5491886Abstract: An inner diameter block for blocking the inner diameter of windings of an electric motor includes a plurality of first segments and a plurality of second segments arranged in an alternating manner. The segments are movable radially outwardly to block the inner diameter of the windings. One of the segments is generally pie shaped, having an arcuate outer surface and ears extending circumferentially to define part of the outer surface. These first segments define gaps which receive second segments. The first and second segments have sloping inner surfaces which define a core in which an expanding cone is received. The cone, when moved axially in the core, urges the second segments radially outwardly. The second segments then force the first segments radially outwardly. The interaction of the second segments with the ears of the first segments provide a substantially continuous, gap-free outer surface to the inner diameter block at all stages of expansion.Type: GrantFiled: August 12, 1993Date of Patent: February 20, 1996Assignee: Emerson Electric Co.Inventors: Vernon E. Kieffer, Andrew J. Kliethermes
-
Patent number: 5490318Abstract: A method for manufacturing of rotor or stator windings for electrical machines comprises the steps of winding a plurality of parallel wires to form at least two groups of coils on a rotating jig. The plurality of parallel wires are fed from a stationary feed device, which is located in a peripheral direction with respect to of the jig. A finished wound group of coils are transferred from the jig to a coil receiver so that at least two groups of coils are transferred consecutively from the jig to the coil receiver so that for each group of coils, the coil receiver is rotated to a different angular position with respect to the jig.Type: GrantFiled: June 14, 1993Date of Patent: February 13, 1996Assignee: Elmotec GmbHInventor: Dieter Kleinschmidt
-
Patent number: 5392506Abstract: Methods and apparatus are provided for connecting a lead wire extending from a coil portion wound on a pole of a stator core to one or more terminals mounted on the stator core, wherein the method includes the steps of: grasping a lead wire; disposing the lead wire adjacent at least a first terminal; partially and then fully engaging the lead wire with the terminal; repeating the steps of disposing and engaging the lead wire with later terminals, if any; and then cutting the lead wire. Apparatus is provided for performing the method steps for complex lead wire connection patterns.Type: GrantFiled: August 24, 1993Date of Patent: February 28, 1995Assignee: Axis U.S.A., Inc.Inventors: Sabatino Luciani, Antonio Lumini
-
Patent number: 5369877Abstract: A wire winding machine is provided that allows the connection of electric motor armature coil leads to slot-type commutators. The machine uses rotations of a flyer and rotations of the armature to perform much of the needed movement during the lead attachment process. The system uses a guide member to guide the wire into the commutator slots during rotation of the flyer. The guide member guides wire from the flyer toward the slots during both the initial insertion of the wire and the subsequent process of forming a loop in the wire.Type: GrantFiled: July 6, 1992Date of Patent: December 6, 1994Assignee: Axis USA, Inc.Inventors: Massimo Lombardi, Sabatino Luciani, Massimo Ponzio, Graziano Quirini
-
Patent number: 5363546Abstract: An operator sequentially inserts into an automated system for making armatures for electrodynamic machines loaded magazines containing a required number of hairpin conductors for an armature to be made, an armature core comprising a plurality of substantially aligned laminations preassembled to form the core and a commutator, and removes armatures completed by assembling these components. All the insertion and removal steps are performed from an operator's position such that operation of the system embodying the present invention is easily and conveniently performed even though the components and completed armatures can be of substantial weight. The use of a hairpin magazine, including the hairpin conductors required for an armature, permits simultaneous transfer of all the hairpin conductors into upper twist tooling wherein upper ends of the hairpin conductors adjacent end turn portions of the conductors are moved apart relative to one another.Type: GrantFiled: February 3, 1992Date of Patent: November 15, 1994Assignee: General Electric CompanyInventors: Lynn E. Bradtmueller, Gustave F. Wiedemann, David M. Pierre, Ronnie G. Smitley
-
Patent number: 5357670Abstract: A stator wedge having a cross section of a dove-tail is disposed at a radially inner side of each of a plurality of slots formed in a ring-shaped core and having a coil inserted therein. Also a guide jig for guiding the wedge having the dove-tail cross section into the slots. The guide jig has formed in both side surfaces an edge portion engageable with the wedge.Type: GrantFiled: April 23, 1993Date of Patent: October 25, 1994Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Ryoichi Taji, Takushi Takizawa
-
Patent number: 5331800Abstract: The apparatus for making a cable by roebling individual rectangular cross-sectioned strands includes two pressing elements, each of the pressing elements extending in a direction (y-axis) perpendicular to the conveying direction (z-direction), engaging different stacks from the top side and bottom side of the cable respectively and being displaceable in opposite directions in a timed reciprocating manner to move stacks toward each other; two nonrotatable pushing members, each of which being mounted on opposite lateral sides of the cable, being structured and positioned to be moveable in another direction (x-axis) perpendicular to and across the conveying direction (z-axis) to displace respective individual strands to adjacent stacks and to simultaneously bend them; a nonrotatable counterabutment member spaced along the conveying direction from each of said pushing members and being mounted to be moveable oppositely to the pushing member associated therewith; a device for adjusting, prior to roebling, a spacinType: GrantFiled: March 10, 1992Date of Patent: July 26, 1994Assignee: Lackdraht Union GmbHInventors: Wilhelm Schaumburg, Hartmut Gottschling
-
Patent number: 5316227Abstract: An apparatus for forming a field coil with a low load comprises a rotary table, a reel table to be turned together with the rotary table, six reel bars for guiding and winding a conductor into the coil according to the rotation of the rotary table, and six shaping units disposed alternately with the reel bars. The shaping units are radially movable on the rotary table. A groove-cam-type moving mechanism radially reciprocates, at a rate of one reciprocation per turn of the rotary table, the shaping units on the rotary table with predetermined phase shifts between the movements of the shaping units, thereby pushing the conductor stretched between the reel bars toward the center of the rotary table and shaping the conductor.Type: GrantFiled: August 27, 1991Date of Patent: May 31, 1994Assignee: Nippondenso Co., Ltd.Inventors: Yasushi Oohashi, Mithuyuki Hayashi, Masahiko Sakai