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7415758 |
Device to press the shaft of a rotor into a stator housing
A device to press a rotatably supported shaft of a rotor of a spindle motor for a hard disk drive into a shaft receiving portion of an associated stator housing by means of a first pressing tool...
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7340822 |
Insulator and manufacturing method thereof, and stator for electric rotating machine
A stator for a motor includes a stator core, an insulator, and coils. The stator core includes an annular portion and teeth, which extend radially from the annular portion. The stator core is...
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7337524 |
Method of forming a winding core for an electric motor
A method of forming a winding core for an electric motor includes providing a hollow jig having a guide, sliding plates, each having a guide and a central opening, onto the guide in the jig where...
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7275299 |
Motor manufacturing process
A plurality of single-pole coils are retained by a coil retaining device, the single-pole coils are arranged such that the coil insertion portions of each single-pole coil confront the inner...
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7266884 |
Apparatus for cutting and removing wedges of a stator core of an electrical machine
The wedge removal apparatus includes an elongated frame having telescopic elements at opposite ends with cylinders to engage pads along opposite sides of the frame against diametrically opposed...
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7197811 |
Method for separating stator windings of an electric motor during manufacture
A technique for separating the stator leads of an electric motor during the manufacturing process. The technique comprises a system having a lead gathering assembly, a lead separator, and a drive...
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7185413 |
Motor manufacturing method
A motor manufacturing method includes: a coil formation step of forming a unipolar coil, having coil inserting portions at two positions and coil end portions at two positions, in to a shape that...
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7143501 |
Method for assembly of an automotive alternator stator assembly with rectangular continuous wire
A method of forming a stator core assembly for an electric machine includes providing a stator core having a plurality of radially extending slots, forming a flat wire pack having a plurality of...
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7073248 |
Resin fixture for insulating an electric motor stator
A resin fixture that is inserted into a stator for an electric motor for a pump for the purpose of insulating the stator with resin. The resin fixture includes a rubber cover that is inflated. The...
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7032291 |
Method of manufacturing stator winding of rotary electric machine
A method of manufacturing a stator winding includes a twisting step of U-shaped conductor segments having a pair of straight portions by moving the straight portions in the circumferential...
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6869491 |
Bonding method
In a bonding method in which two display panels 7 A, 7 B are held by the two panel holding portions 31 a , 31 b provided on the panel support table 31 positioned by the XYθ table 30 so as...
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6834421 |
Apparatus for dynamo-electric machine insulation handling
Methods and apparatus for insulating interior walls of lamination slots of dynamo-electric machine components are provided. The relative speeds and sequence of cutting, forming, and inserting a...
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6744168 |
Stator and stator manufacturing method
A stator and a stator manufacturing method is provided in which a space factor can be improved, while reducing the number of components and simplifying the manufacturing process. A stator comprises...
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6674211 |
Rotary electric machine having conductors insulated by insulation sleeve inserted into core slot
Plural slots are formed in a cylindrical stator or rotor core of a rotary electric machine. An insulation sleeve having a substantially rectangular cross-section is inserted into each slot, and...
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6640416 |
Method for axially drawing coils into stators or rotors of electric machines
Prewound coils are axially drawn into grooves of stators or rotors of electric machines. This is performed by means of a draw-in star, which can be pushed forward through their bores, behind which...
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6618928 |
Method for loading slot cell insulators into a stator core
A method for loading slot cell insulators into a plurality of slots in a stator core of a dynamoelectric machine is disclosed. The method includes forming a slot cell insulator having a generally...
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6601286 |
Device for producing a distributed wave winding
A device is provided for producing a distributed wave winding. To improve the currently used method for producing a distributed wave winding the device provides for a relative indexing to be...
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6519832 |
Method for automated stator manufacture
A methodology of sleeving at least one lead of a stator is provided. The methodology includes the steps of robotically selecting at least one of the stator leads, and robotically positioning an...
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6446329 |
System for manufacturing a stator
A system of manufacturing a stator is provided. The system comprises: a pallet, which includes, a base portion, a first ring rotatably disposed within the base portion for supporting the stator, a...
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6339871 |
Method of manufacturing rotary electric machine's stator
A method of manufacturing a stator of a rotary electric machine is comprised of the following steps: providing a plurality of U-shaped basic conductor segments and a plurality of U-shaped...
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6282773 |
Apparatus for producing winding slot insulators and inserting same into the stator core of an electromechanical machine
Insulating slot liners for insertion into stator core winding slots are formed from a narrow-width reel of insulating material. The width of the material is determined by the inner circumferential...
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6094807 |
Lacing mandrel for containing stator wedges
A lacing mandrel for use when lacing a stator has an elongate shaft with an enlarged head, or sizing plug, proximate an upper end. The sizing plug permits an operator to easily and readily...
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6065204 |
Slot cell insulating system and method
A system and a method for forming, storing and loading slot cell insulators into slots in a stator core of a dynamoelectric machine. The system includes a forming assembly for forming slot cell...
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5826321 |
Coil inserting tooling with quick release collet
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...
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5802706 |
Apparatus for injecting stator winding coil groups into a stator core
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...
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5778518 |
Device for pressing slot sealing pieces for winding bars into slots of an iron body of an electric machine
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...
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5657530 |
Method of and apparatus for inserting coins and slot insulators into core of dynamoelectric machine
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...
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5594984 |
Gapless inner diameter stator winding blocking mechanism
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....
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5553372 |
Apparatus for inserting insulation sheets into slots of a stator core
A method of inserting a pair of connecting portions of an insulation sheet into the slots in a stator core is disclosed. The insulation sheet includes a pair of body portions interconnected at...
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5542170 |
Apparatus for inserting insulation sheets into slots of a stator core
An apparatus for inserting connecting portions of an insulation sheet into slots of a stator core. A housing and a blade grip the insulation sheet by the slit in each of its connecting portions....
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5537730 |
Coil inserting tooling blades
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...
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5533252 |
Slot insulator guide in assembly of dynamoelectric machine and coil inserting apparatus provided therewith
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...
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5490318 |
Method for the manufacture of stator-or-rotor-windings for electrical machines from parallel-wires
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....
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5357670 |
Guide jig for guiding a dove-shaped stator wedge
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...
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5237740 |
Coil insertion device
The present invention generally relates to a coil insertion device for inserting a stator coil into a slot defined within a stator core of an electric rotary machine and to an improvement in a...
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RE34195 |
Armature paper feeding, cutting, and inserting device
A machine for driving and variable length cutting of the paper used in the armature of an electric motor rotor. The machine comprises a feed distance covered by the paper between shaping rollers,...
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5090110 |
Method for manufacturing stator for rotating machine
A method for manufacturing a stator for use in a rotating machine provided with a core main body having a plurality of teeth projecting from an outer circumferential side of the core main body and...
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5090114 |
Tool for applying slot wedges
A tool for applying slot wedges having a main arm, a pair of pivotally mounted dogs for engagement in the slot key and straddling the external surface of the slot key, respectively, whereby the...
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5075959 |
Generator rotor slot wedge assembly and disassembly fixture
A method and apparatus for the assembly and disassembly of dovetail shaped wedges into and from the coil slots of dynamoelectric rotors using a fixture attached to a rotor shaft coupling in a...
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5060364 |
Wedge inserter with intermediate wedge support
An apparatus for inserting coils and wedges into a dynamoelectric machine stator core.The apparatus includes a housing and an array of circumferentially spaced elongated wedge guides mounted on the...
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5056212 |
Apparatus for preforming and final forming of stator coil end turns
An apparatus and method for preforming and final forming the winding end turns of a stator. The apparatus includes an elongated arbor whose end includes a plurality of radially moveable blades and...
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5048177 |
Generator rotor slot wedge tool
A method and apparatus for the assembly and disassembly of dovetail shaped wedges into and from the coil slots of dynamoelectric rotors using a fixture attached to a rotor shaft coupling in a...
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5044068 |
Blade pack extension and wedge guide support
An apparatus for inserting coils and wedges into the stator core of an electric motor. The apparatus includes a plurality of elongated blades arranged in a circular array, a plurality of wedge...
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5010639 |
Transfer tool and cover-strip magazine for drawing coils into stators of electric motors
A transfer and introduction tooling for transporting coils from a winding machine and for drawing the coils into a variety of stators of electric motors includes a set of carrier arrangements of...
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4970774 |
Method for inserting a plurality of phase insulators in the cavities of the stator of a dynamo-electric machine
A plurality of phase insulators are inserted in the cavities of the stator of a dynamo-electric machine by means of an insertion device which includes a plurality of guide blades displaced...
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4955130 |
Feeder blade replacement apparatus for coil inserter tooling
A blade replacement technique for removing and replacing the wedge guide, coil feeder and/or pusher blades of coil inserter tooling is disclosed. The tooling includes a circular array of coil...
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4901433 |
Device for inserting a plurality of phase insulators in the cavities of the stator of a dynamo-electric machine
A plurality of phase insulators are inserted in the cavities of the stator of a dynamo-electric machine by means of an insertion device which includes a plurality of guide blades displaced...
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4854033 |
Inserting insulating material into electric motor stators
A machine for forming electric motor stator insulating material and inserting it vertically directly into the stator placed on the pallet of a transportation system, without removing the stator...
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4831715 |
Method and apparatus for positioning intermediate insulators in cores
A coil placing machine having an improved operating sequence for positioning coil separating insulators in certain core slots is disclosed. The insulators are supported about a coil placing machine...
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4829649 |
Method for inserting inter-phase insulators in slots of stators for electric machines
Inter-phase insulators inserted between the different layers of windings of a stator each comprise two separators joined together by two straps which are engaged within the stator slots. The straps...
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