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7591063 |
Method of making an armature
A method of making an armature includes placing a commutator and a lamination stack on an armature stack. Coil windings wound in slots in the lamination stack, the commutator and armature shaft are...
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7576467 |
Armature and motor on which the armature is mounted
An extension part of an insulator covering a part of a coupling portion of a laminated core of an armature is inclined to the inside in the radial direction along the coupling part. A inclined face...
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7528520 |
Electric motor having a field assembly with slot insulation
An electric motor has a field assembly, such as a stator, for a dynamoelectric machine has field coils that are wound to a net shape. Lead wires are brought out from the ends of each field coil....
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7498710 |
Cooling of stator windings
An arrangement for cooling an electric motor's stator winding coil is described. One area of a conductor insulation is removed to expose the copper conductor. The conductor is wound into a coil...
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7489061 |
Stator for an inner rotor type motor and a method of manufacturing the same
A stator for an inner rotor type motor includes a stator core 1 , insulating members 10 and winding wire 3, 4 . The stator core 1 includes: four divisional core elements 6 each integrally...
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7482725 |
System and method for direct liquid cooling of electric machines
A system is provided for cooling a stator coil of a rotating machine. In one embodiment, and by way of example only, the system includes a stator core, a radial core opening, and a sleeve. The...
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7480977 |
Method of replacing slot armor and slot liners in a generator rotor
A method of replacing slot armor and slot liners in radial slots of generator rotors comprising: (a) removing a winding from respective radial slots in the generator rotor; (b) removing existing...
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7373711 |
Motor armature manufacturing method
An insulator covering the teeth ( 31 ) of an armature ( 3 ) in an inner-rotor motor is composed of a tooth insulator ( 321 ), outer-side insulator ( 322 ), upper-end insulator ( 323 ), and...
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7367106 |
Method of assembling a dynamo-electric machine component
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...
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7352098 |
Insulator
An insulator includes a main body portion for axially covering one side face of a core that includes a plurality of teeth portions extending in a radial direction, and a plurality of extending...
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7329973 |
Rotary electric machine
The present invention provides a rotary electric machine, of which the occupied volume can be reduced and which allows a space in an electric apparatus equipped therewith to be utilized...
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7268457 |
Insulator, armature and rotary electric machine
The present invention relates to an insulator to be disposed in an armature core having a plurality of radially-formed salient poles. The insulator comprises a winding aligning portion having an...
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7256525 |
Slot insulator and multiplexed resolver using same
A slot insulator is provided and includes: an annular part; and a plurality of insulated winding parts disposed a circumference of the annular part. Each of the insulated winding parts has an...
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7250700 |
Arrangement for protecting an electric machine
The object of the invention is an arrangement for an alternating-current machine that can be connected to an inverter and includes windings located in grooves and insulated from the plate core of...
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7227289 |
Unified assembly for slot cell insulation
The present invention facilitates keeping the slot cells 8 of a generator rotor from migrating during operation of the rotor. The present invention utilizes a slot cell catch 10 that hold slot...
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7210214 |
Method of immulating between coils of different phases of electric motor
A method of insulating the proximal portions of the coil edges of the stator. The insulation sheet has a folding portion for folding one or more coils of the same phase and two insertion portions...
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7173358 |
Rotor for an electrical machine
A rotor for an electrical machine, including axial conductors for the rotor field windings inserted into axial slots in the rotor body and are secured against the forces which occur during...
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7146706 |
Method of making an electric motor
An electric motor has a field assembly, such as a stator, for a dynamoelectric machine has field coils that are wound to a net shape. Lead wires are brought out from the ends of each field coil....
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7141908 |
Rotating electrical machine
In a rotating electrical machine a stator winding is formed of flexible cables inserted in an open stator in the stator core. The stator slots extend from a radially outermost yoke part of the...
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7132776 |
Electric motor and method of insulation between coils of different phases of electric motor
An electric motor capable of ensuring insulation of proximal portions of coil edges of a stator projecting from end of a stator core, and a method of insulating the proximal portions of the coil...
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7122931 |
Generator rotor
An improved generator rotor ( 30 ) and a method of repairing an existing generator rotor ( 12 ) are disclosed. Methods consistent with the present invention provide techniques for repairing...
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7119467 |
Current limiting means for a generator
The invention provides means of limiting maximum current conducted through windings of an electric machine having a rotor and a stator. By encouraging an appropriate leakage flux around a winding,...
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7096566 |
Method for making an encapsulated coil structure
Magnet wires wound in slots in a lamination stack of a dynamoelectric machine are encapsulated, in whole or in part, with plastic. The plastic may be thermally conductive and have features molded...
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7081697 |
Dynamoelectric machine stator core with mini caps
A stator assembly for a dynamoelectric machine in accordance with the present invention includes a generally cylindrically-shaped stator core having a plurality of core slots formed along the inner...
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7064467 |
Commutator motor
A commutator motor includes a stator and a rotor, and the stator includes a stator yoke and a field magnet. The field magnet is fixed onto the inner peripheral surface of the substantially...
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7019429 |
Method of applying a tube member in a stator slot in a rotating electrical machine
A method for mounting a tube in a space having a shape corresponding to the shape of the tube. The tube is inserted into the space, pressurized with a hot pressure medium causing the tube to expand...
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6998753 |
Multilayer co-extrusion rotor slot armor and system for making the same
A slot armor component for use in a rotor of a dynamo-electric machine comprises a plurality of profile co-extruded polymer layers. The composite cross-section of the profile co-extruded layers may...
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6995491 |
Insulating paper piece for electric motors and electric motor
An insulating paper piece for electric motors, capable of improving both electrical insulation between a coil and a stator core and electrical insulation between ends of coils of different phases...
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6984912 |
Dynamoelectrical machine with wedged-in winding bars
A dynamoelectrical machine ( 20 ) has winding bars ( 13 ) which are inserted into slots provided for this purpose in the dynamoelectrical machine ( 20 ), with the slots each being closed by cover...
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6975057 |
Rotary electric machine having a stator made up of sectors assembled together
The invention relates to a rotary electric machine including a stator, powered by a polyphase current, having a magnetic circuit with teeth forming intervening slots for receiving electrical...
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6972506 |
Stator of dynamo-electric machine
A stator 3 of an on-vehicle AC generator 1 denoting a dynamo-electric machine has a stator core 32 having slots 35 arranged in a line along a circumferential direction of the stator core ...
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6972505 |
Rotating electrical machine having high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing the same
A rotating electrical machine and method for making the machine, where the machine includes a high-voltage stator winding and elongated support devices for supporting the winding. The machine and...
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6969940 |
High voltage slot liner for electrical motor
An electric motor has a housing with a plurality of stator discs. The discs have slots that align with one another, forming passages. A dielectric film tube inserts into the slots, each of the...
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6941639 |
Method for repairing generator rotor
An improved generator rotor ( 30 ) and a method of repairing an existing generator rotor ( 12 ) are disclosed. Methods consistent with the present invention provide techniques for repairing...
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6930427 |
Electric apparatus having a stator with insulated end laminations within the central opening of end plates
A technique is provided for manufacturing a stator of an electrical machine, such as a motor. The stator is formed by using thin end plates or laminations that are attached to each other by rods...
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6922001 |
Process for assembling an alternator stator with clips that allows radial insertion of square wire with small slot openings
A stator assembly for an alternator in accordance with the present invention includes a generally cylindrically-shaped stator core having a plurality of core slots formed along the inner surface...
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6900572 |
Stator of rotary electric machine
In a stator of a rotary electric machine, a stator winding is wound through slots of a stator core. The stator winding is constructed of conductor segments. Each of the conductor segments includes...
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6874325 |
Compressor and refrigerant system device using the same
The present specification discloses a compressor characterized in that a nonpolar solvent is used as a working fluid and an insulation part of a rotating section is formed from a low dielectric...
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6873082 |
Stator assembly including a core slot insert member
A stator assembly for a dynamoelectric machine in accordance with the present invention includes a stator core having a plurality of core slots in a surface thereof. Each of the core slots define a...
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6873081 |
Brushless DC motor and refrigerant compressor employing the motor
A concentrated winding type brushless DC motor has a stator formed by a slack of laminations of a ferro-magnetic material having an outer ring from which a plurality of spaced teeth extend inwardly...
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6867527 |
Method and apparatus for reducing dynamo-electric machine vibration
A method of fabricating a dynamo-electric machine rotor is provided. The method includes forming a plurality of laminations, such that a plurality of openings extend through the laminations between...
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6865796 |
Method of manufacturing a stator for an alternator with reduced conductor portions
Coil members are obtained by forming width-reduced portions in a wire material over a predetermined longitudinal range generally centered on cutting positions, then removing an insulation coating...
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6859991 |
Methods for forming stator coils
Insertion devices may be used to insert portions of pre-wound coils into the slots of dynamoelectric machine components. Some machine components may have poles that have pole tips that extend away...
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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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6806614 |
Core with insulation member, and method of producing the same
A core provided with an insulating member, including the core having a plurality of slots, each slot formed between two teeth protruding from a yoke and having a side face and a bottom face that...
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6774511 |
Rotary electric machine and method for making windings
The invention proposes a rotary electrical machine of the type which comprises at least one member ( 14 ) on which is formed at least one electrical winding ( 32 ) consisting of at least one...
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6759771 |
High speed generator with integrally formed rotor coil support wedges
A coil support wedge for a high speed generator is integrally constructed and includes a plurality of flow passageways. Because it is integrally formed, the support wedge is substantially fluid...
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6756716 |
Insulation element and method for introducing winding elements into grooves on an armature
The present invention relates to an insulator element for lining at least one armature slot of an electrical machine. According to the invention, it is provided that the insulator element ( 10 )...
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6756712 |
Three phase converter fed motor having a shielding device to eliminate capacitive current in stator slots
A device for preventing bearing damage from currents through a three-phase motor is provided, including a shield for winding and copper wire within each stator slot of a motor. The shield includes...
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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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