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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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6744167 |
Rotor of a turbogenerator
The invention relates to a rotor ( 1 ) for a turbogenerator having a field winding ( 4 ) which is formed from hollow conductors ( 3 ), having a damper bar ( 8 ), having insulation ( 9 ) arranged...
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6741009 |
Armature of rotating electrical machine and wire winding method thereof
An armature and method of winding the armature that improves coil density by winding adjacent poles so that the resulting windings have outer surfaces that taper in opposite directions that extend...
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6741004 |
Creased armature winding insulator for dynamo-electric machine
A method includes the steps of forming a substantially U-shaped insulator having outwardly bent portions formed by bending the side portions thereof at bent parts so as to be apart from each other,...
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6735846 |
Method for forming an electric motor having armature coated with a thermally conductive plastic
A method for forming an electric motor includes providing a stator and an armature having a lamination stack with slots therein in which magnet wires are wound. Thermally conductive plastic is...
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6737785 |
Method and apparatus for sealing an inner diameter of a segmented stator
An electric machine includes a stator with a plurality of circumferentially-spaced stator segment assemblies. A rotor rotates relative to the stator and defines an airgap between an outer diameter...
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6724118 |
Electrical isolation layer system strand assembly and method of forming for electrical generator
An electrical isolation layer capable of inhibiting, if not preventing, a first conductive material from electrically passing or bleeding into a second conductive material and thereby causing a...
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6720692 |
Electric motor having electrostatic shield arrangement
An electromechanical machine includes a stator fixed with respect to a housing structure and a rotor fixed with respect to a driven shaft. The stator includes a magnetically permeable core having a...
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6710475 |
Stator structure having a printed board
A projected board portion that is a part of a printed board is positioned externally to an outer diameter position of an annular stator, and can be connected to any of a connector and a lead wire...
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6703752 |
Stator winding bar for an electrical machine
In a stator winding bar for an electrical machine without end winding transposition and with transposition in the active part of 450°, the middle part of the active part, in order to compensate...
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6683398 |
Generator magnetic armature wedge
A magnetic armature wedge is provided for replacing conventional dovetail wedges in high-powered large-size turbine generators. The magnetic armature wedges that are used for supporting the...
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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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6674209 |
Method for increasing subtransient reactance of a generator
A magnetic armature wedge is provided for replacing conventional dovetail wedges in high-powered large-size turbine generators. The magnetic armature wedges that are used for supporting the...
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6633102 |
Insulator for armature of dynamo-electric machine
An armature for a rotating electrical machine and more particularly to an insulating cover for the pole teeth around which the windings are formed that has good strength against the winding without...
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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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6609289 |
Stator of rotary electric machine and method for making the same
A stator core has a plurality of slots. Insulating members are formed into a cylindrical shape and are inserted into the slots. Axial ends of the insulating members are expanded respectively and...
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6598421 |
Compressor and refrigeration system
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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6580193 |
Rotary electric machine and manufacturing method therefor
A core insulator fit on a stacked core is formed in a single unit which has tooth cover pieces and coil bobbin piece. The tooth cover pieces are formed to extend in the radial direction and be...
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6570284 |
Brushless motor having double insulation
A double insulated electronically commutated brushless motor for coupling to a gearbox of a motor driven product. The motor includes a first layer of electrical insulation that includes a plurality...
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6566780 |
Rotary electric machine having reinforcing ring on armature
In an armature, a slot insulation paper provided in a slot of an armature core protrudes from an insulation plate in the axial direction. A part of the slot insulation paper that faces an outer...
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6509665 |
Motor having stator with insulator of high heat-conductivity
A motor has a stator formed by assembling stator members in an annular shape. The stator member includes a core segment formed of laminated electromagnetic steel sheets, an electrical insulator...
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6504282 |
Armature core of start motor
The present invention relates to an armature core of a start motor in which in which the depth of a slop in which an insulation member installed in a core is overlapped is deeper than other...
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6498415 |
High voltage stator coil having low loss insulator and electrode covering and method therefor
A high voltage stator bar 20 (FIG. 7 ) is used in a power generation system and includes a core section having a core 32 and stator coil 23 , including at least one coil involute. A ground...
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6429563 |
Mounting device for rotating electric machines
The present invention relates to a mounting device ( 80 ) for reducing short-circuiting forces that are transmitted from a stator core to a stator body in a rotating electric machine comprising a...
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6417593 |
Composite electrical insulation with contacting layer and method of making the same
An insulating material ( 10 ) for an electrical generator rotor and method of forming the same. An insulating substrate ( 12 ) is formed from a single layer of woven glass fabric ( 16 ) having a...
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6396187 |
Laminated magnetic core for electric machines
The present invention relates to a laminated magnetic core for rotating electric machines. The laminated magnetic core comprises a number of stack members ( 40 ), each consisting of a number of...
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6369482 |
Generator armature bar support system and related method
A generator armature bar support system includes in a temporary assembly state, an elongated armature bar having a bottom surface, a top surface and a pair of side walls. A spacer is then...
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6346758 |
Rotary electric machine and method of manufacturing the same
In a rotary electric machine such as a vehicle AC generator, each slot of a stator core has chamfered corners extending over a distance longer than thickness of the core sheet and burrs extending...
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6342740 |
Armature for a miniature DC motor
An armature ( 11 ) for a miniature DC motor constitutes a rotor provided in an interior of a casing and armature windings ( 10 ) are wound around an iron core ( 9 ) in the form of a coil. In this...
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6291918 |
Alternator for vehicle
It is an object of this invention to provide a compact high-power alternator for a vehicle. It is another object of this invention to provide a low-noise alternator for a vehicle which outputs an...
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6262509 |
Protective conductor connection on a laminated stator core of an electric motor
A protective conductor connection for a laminated stator core of an electric motor in which a grounding tongue is stamped into one of two sheet-metal segments that form the fronts of the stator...
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6242836 |
Vehicle AC generators stator and method of manufacturing the same
In a stator of a vehicle ac generator, a slot insulator has a portion closing the opening of a slot. Therefore, portions of the stator winding disposed in the slot can be retained in the slot...
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6225723 |
Electric machine and rotor for use therein
A rotor for use in an electric machine and a rotary electric machine utilizing such a rotor, the rotor comprising a rotor body provided with a plurality of slots, each slot housing electrical...
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6218756 |
Generator rotor slot tightening method and associated apparatus
A method and associated apparatus (10) are provided for tightening slot wedges (32, 36) of a generator rotor. The method preferably includes the steps of positioning an electrically-conductive slot...
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6191508 |
Stator insulation structure of rotary electric machine
In an insulation structure of a rotary electric machine, a stator winding has connection portions covered with reliable insulation resin coating. The modulus of elasticity of the insulation resin...
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6176691 |
Refrigerant compressor
In an electric motor, a stator is formed with multiple slots axially on the inner circumference thereof. Provided inside of each slot are an outer slot insulation film and an inner insulation film...
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6147430 |
Stator of AC generator for vehicle
In a stator of an ac generator for vehicle, a plurality of insulators are disposed in the slots of the stator to insulate the stator winding from the stator core. Each of the insulators has a...
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6140733 |
Conductor winding configuration for a large electrical machine
A conductor winding configuration for a large electrical machine has a supporting body and at least one winding element. The at least one winding element is inserted into an associated slot in the...
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6130496 |
Stator coil for rotary electric machine
A stator coil for a rotating electrical machine having a ground wall insulation of a stator coil impregnated with a resin, maintaining a releasing characteristic between the ground wall insulation...
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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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6057625 |
Pole insulator cap
A pole cap insulator is used in a field assembly of a motor having a cylindrical motor frame where the field assembly includes a winding having a central opening therein, and a pole member having a...
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6043582 |
Stable conductive material for high voltage armature bars
A high voltage generator armature bar (10) that exhibits improved performance by forming one or more of its conductive components from a conductive material that uses a tin oxide-based composition...
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6037683 |
Gas-cooled turbogenerator
A gas-cooled turbo-generator has a pressure-tight casing with a stator disposed therein and a rotor. The turbo-generator also has cooling air feeders and dischargers disposed in the casing for...
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6034463 |
Stator for an electric machine
A process for fabricating a stator for an electric machine having a tubular unslotted ferromagnetic flux collector ring (16) and stator winding coils (18, 19, 20) with two legs which extend...
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6020660 |
Dynamoelectric machine
A dynamoelectric machine includes a stator having a stator core. A winding is provided on the stator core and the stator core has a stator bore. A rotor including a rotor core is received in the...
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5996209 |
Method of manufacturing a dynamoelectric machine
A dynamoelectric machine has a stator end cap mounted on a stator core, which attaches a control circuit board directly onto the stator. The end cap has integrally formed fingers which permit snap...
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5969455 |
Insulated bobbin for stator
Disclosed is an insulated bobbin for stator which has good insertability of a stator iron core with no reduction of coil winding space. A first bobbin and a second bobbin each comprise a bobbin...
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5952761 |
Inverter-driven motor
An inverter-driven motor which is driven by an inverter power source and includes an insulating member for insulating a winding wire and an iron core of the inverter-driven motor from each other at...
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5929550 |
Ventilated creepage blocks
A creepage block for a turbine rotor slot in which coil windings are embedded, wherein the creepage block is sandwiched between the windings and a wedge block, and wherein aligned radial cooling...
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5895994 |
Dynamoelectric machine
A dynamoelectric machine has a stator end cap mounted on a stator core, which attaches a control circuit board directly onto the stator. The end cap has integrally formed fingers which permit snap...
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