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8169119 |
Electric machine having slot insulation with flange arrangement
An electric machine having a rotor and a stator that encloses the rotor. The stator is closed at its end faces by flanges. A slot insulation is applied in an axial direction to the stator and has...
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8169120 |
Stator for AC motor
A stator of an alternating current (AC) motor is disclosed. The stator includes a stator core having a divided structure including and an outer stator core fitted around the inner stator core while...
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8129880 |
Concentrated winding machine with magnetic slot wedges
Methods and apparatus are provided for improving operational characteristics of a concentrated winding machine. According to an example embodiment, an apparatus comprises stator teeth having distal...
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8125118 |
Winding head isolation element and multiphase electric motor
The invention concerns a winding head isolation element (1) with a body (2, 3) having a first longitudinal side (5), a second longitudinal side (6), a first transversal side (7) and a second...
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8125114 |
Dynamoelectric machine locking wedge for maintaining a winding in a slot
A locking wedge for a slot of a dynamoelectric machine is provided. The locking wedge includes a main body extending in an axial direction. The main body has a top surface and a bottom surface with...
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8125115 |
End turn phase insulator with a lead wire restraining tab and method of restraining lead wires on dynamoelectric devices
A stator comprises a core, a plurality of wire coils, an end turn phase insulator, and at least one lead wire. The wire coils are wound through the slots of the stator and form end turns as they...
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8125113 |
Slot wedges for electrical machines
A wound core assembly for an electrical machine comprising a stack of laminations defining a core having a plurality of poles, the wound core assembly further comprising at least one slot wedge,...
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8113797 |
Hermetically enclosed refrigerant compressor arrangement
Provided is a simplified design for spring retainers in a hermetically enclosed refrigerant compressor. A hermetically enclosed refrigerant compressor includes a hermetically tight enclosure, and...
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8110958 |
Rotor cover with rotor fins extending between stator slots
An electric motor has a rotor, a stator encompassing the rotor, at least one bearing bracket, and a rotor cover. The rotor cover has at least one cover cap extending from the bearing bracket to at...
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8097996 |
Thermally conductive ground wall insulation for a stator bar
A method of manufacturing a stator bar in large dynamoelectric machines, with the bar insulation made of solid materials with high thermal conductivity and high dielectric strength. In the present...
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8076816 |
Stator and cooling fan having the same
A cooling fan includes a fan housing, a stator mounted in the fan housing and a rotor rotatablely supported by the stator. The stator includes a stator core, an insulating frame attached to the...
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8076818 |
Armature and electric motor having the same
Winding guide portions of an insulator are received in slots, respectively, of a core. Each of windings is electrically insulated from the core by a winding guide wall of a corresponding one of the...
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8076819 |
Rotary machine stator
According to one embodiment, a rotary machine stator includes a cylindrical stator core, an insulating film, and a ring-shaped insulator. The stator core includes a slot and a slot opening. The...
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8040002 |
Ventilated rotor of high-power turbogenerator for production of electricity
A ventilated rotor of a high-power turbogenerator for the production of electricity has a shaft extending along an axis; a plurality of axial slots obtained in the shaft; a plurality of conductor...
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8035269 |
Electric machine
An electric machine having a rotor and a stator that encloses the rotor, and having a first flange arrangement on at least one end face of the stator, wherein the first flange arrangement has a...
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8035268 |
Insulating bobbin for stator of rotary machine
An insulating bobbin for disposition between a stator core and a stator winding of a stator of a rotating machine, the stator winding being wound around the stator core by way of the insulating...
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8013490 |
Armature
An armature includes a plurality of armature elements, wherein each of the armature elements has an armature element core that has a predetermined core length and has end faces spaced apart in a...
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8008831 |
Stator for rotary electric machine
A stator for a rotary electric machine with wedge members insertable into slots without being bent or folded is provided. A coupling portion is integrally formed at a non-inserted end portion,...
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7990012 |
Locking wedge for maintaining a winding in a slot and dynamoelectric machine incorporating same
A locking wedge for a slot of a dynamoelectric machine is provided. The locking wedge has a main body extending in an axial direction, and includes a top and a bottom surface. The bottom surface...
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7986071 |
Arrangement for closure of slots
An exemplary slot closure arrangement has a sliding block and a pressure piece. At least one spring element is arranged in between them and can be prestressed by at least one attachment, which...
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7982355 |
Interphase insulating member and rotating electric machine
An interphase insulating member allowing reduction in size of a rotating electric machine is provided. The interphase insulating member includes a flat portion interposed between and insulating...
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7952251 |
Systems and methods for shielding an electric machine
A method for reducing leakage currents in an electric machine is described. The method includes positioning a plurality of leakage current shields between windings and teeth of a stator, and...
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7944110 |
Stator in rotating electric machine
A method of manufacturing a stator in a rotating electric machine. In this method, each slot has a slot peripheral wall and a slot opening, covered with an insulation coating made of an electrical...
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7929297 |
Accessory strap fixing structure and portable electronic device having the same
An accessory strap fixing structure is disposed on a portable electronic device to assemble a accessory strap. The accessory strap fixing structure includes an assembling slot and a rotor. The...
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7923887 |
Brushless motor
Disclosed herein is a brushless motor that is simply constructed based on a vernier type motor to achieve high torque without the increase in size and complication thereof. The brushless motor...
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7919896 |
Stator for rotary electric machine
A stator for a rotary electric machine with wedge members insertable into slots without being bent or folded is provided. A coupling portion is integrally formed at a non-inserted end portion,...
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7908736 |
Method of making an armature
An armature for an electric motor has a lamination stack on a shaft with a commutator mounted on one end of the shaft. Magnet wires wound in slots in the lamination stack, the commutator and...
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7898143 |
Rotary electric motor
A rotary electric motor includes a cylindrical rotor having an outer peripheral side, a stator provided to surround the outer peripheral side of the rotor with a gap between the stator and the...
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7888837 |
Rotor for a generator
A rotor for a generator includes a cylindrical rotor body with axial winding slots which are arranged in a distributed manner over the circumference and in which are arranged conductor elements...
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7880360 |
Stator assembly
A stator assembly is provided and includes a laminated core and a one-part insulator having cover walls for covering edges of the laminated core, wherein first projections and a second projection...
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7876016 |
Stator winding method and apparatus
A stator assembly includes a stator core and at least one conductive bundle. The stator core has a first end, a second end, and a plurality of slots extending from the first end to the second end....
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7868495 |
Electric motor core member
An electric motor core member includes a body having an inner diametric portion including an inner arcuate surface and an outer diametric portion including an outer arcuate surface. The electric...
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7851966 |
Stator for electric machine with improved efficiency and thermal performance
A stator for an electric machine, having compacted and bonded windings and a ferromagnetic core including an active element and a cooling element. The compacted and bonded windings are inserted in...
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7825563 |
Insulator for electric rotating machine
In an insulator to be inserted into each slot to be attached to adjacent teeth formed at a rotor or a stator of an electric rotating machine, the insulator is composed of insulator segments that...
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7812496 |
Cassette coil and rotating electrical machine having the cassette coil
A cassette coil comprising an insulator bobbin including a core tube around which a wire coated with an insulating film is wound, forming a coil, and a pair of plate-shaped flanges provided at both...
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7808136 |
Cooling device for an electrical machine, electrical machines having a cooling device such as this, core laminate and production method for such electrical machines
The invention relates to a cooling device for an electric machine, in particular, for an electric motor comprising a stator (2) and a rotor. According to the invention, axial channeled recesses (6)...
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7804218 |
Rotating electrical machine winding, rotating electrical machine, and semiconductive insulating component used therein
When a rotating electrical machine winding is inserted into a slot with a protective insulation intervening between them, a semiconductive insulating layer is lap-wound between an interlayer...
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7786645 |
Superconducting machine stator
A stator for an electrical machine includes a back iron including a substantially cylindrical annular structure having an inner surface and an axis. A plurality of supports are fabricated of...
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7774924 |
Method of winding 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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7743483 |
Method of manufacturing a stator in a rotating electric machine
A method of manufacturing a stator in a rotating electric machine. In this method, each slot has a slot peripheral wall and a slot opening, covered with an insulation coating made of an electrical...
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7694409 |
Method for insulating electrical machine
A method of insulating a coil of an electrical machine includes applying an insulating varnish to a coil of conductive wire. The varnish includes (i) a resin; (ii) a first catalyst having a first...
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7696663 |
Rotor for a forced-air-cooled electric motor
A rotor (2) for a forced-air-cooled electric motor, in particular a universal motor, especially for use with electrical power tools, has a laminated armature (6) incorporating longitudinal slots...
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7687966 |
Optimized stator mounting method to printed circuit board
A stator assembly detachably mounted with a fan housing. The stator assembly includes a stator including one or more first mounting feet and one or more second mounting feet disposed apart from...
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7685697 |
Method of manufacturing an electric motor of a power tool and of manufacturing the power tool
A method of manufacturing a power tool includes forming an armature by placing an electrically insulative sleeve on an armature shaft, securing a lamination stack having slots therein on the...
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7649295 |
Insulation structure of rotary electrical machinery
An insulation structure of rotary electrical machinery which electrically insulates teeth of a stator from a winding wound on the teeth includes: an insulator made from hard insulation material,...
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7649296 |
Stator having an interphase insulator
A stator includes a first through a third windings, and a first and a second interphase insulators. The first interphase insulator has a first pair of strip-shaped insulating sheets and a first...
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7638916 |
Secondary part of an electrical machine
A secondary part of an electric machine has a toothed profile, with at least one tooth being unlaminated. The at least one tooth is made of at least two materials, wherein the at least one tooth...
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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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