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Class 310/201 - Bar windings


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter in which the winding conductors are in the
No. of patents: 315
Last issue date: 03/13/2012


1                
NumberTitleIssue Date
8134274Stator bar with end arm involute-on-cone bend substantially aligned with stator core slot
Dynamoelectric device and stator bar therefor, where the stator bar includes a linear portion for positioning in a slot of a stator core, the slot extending in a radial direction relative to an axis of the stator, and an end arm portion having an involute-on-cone be...
03/13/2012
8093778Electric machine, particularly asynchronous three-phase hydrogenerator
An electrical machine, in particular a three-phase asynchronous hydrogenerator, includes a rotor and a stator, wherein one of the rotor and the stator include a core with a plurality of winding slots. The machine has a winding having a plurality of axially extending...
01/10/2012
8076817Electric motor with bar winding and connection plates
A multiphase synchronous electrical machine for converting kinetic energy into electrical energy and electrical energy into kinetic energy has a rotor extending along an axis, and a stator, which is provided with a stator pack having slots and with an electrical win...
12/13/2011
8072114Electric motor with bar winding and connection plates
A multiphase synchronous electrical machine for converting kinetic energy into electrical energy and electrical energy into kinetic energy has a rotor, extending along an axis, and a stator, which is provided with a stator pack having slots and with an electrical wi...
12/06/2011
8058765Methods and apparatus for a bar-wound stator with rotated conductors
A bar-wound stator includes a plurality of bar-type conductors disposed within the plurality of slots, wherein, within each slot, at least one of the bar-type conductors has an orientation that differs from the remaining bar-type conductors within that slot by a pre...
11/15/2011
8053944Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching
Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve increased efficiency, increased output torque, and/or reduced operating losses via use of extended magnets, overhung rotors, and/or stator tooth o...
11/08/2011
8008830Stator for rotary electric machine and rotary electric machine using same
The wire 30 forming the stator winding 20 includes the in-slot portions 40 to be disposed in the slots 14 and 15 of the stator core 12 and the turned portions 42 connecting the in-slot portions 40 disposed in t...
08/30/2011
7994677Stator for rotary electric machine, and rotary electric machine using the stator
A stator for a multiple-phase rotary electric machine is provided with a stator core with slots and a coil formed of a plurality of windings for individual phases. Each winding has slot-accommodated portions accommodated in different slots, turn portions connecting ...
08/09/2011
7965013Insulating cover for a bar to bar connection of a stator winding of an electric machine
An insulating cover or a bar-to-bar connection of a stator winding of an electric machine has only one opening and is made from a flexible insulating material embedding the bar-to-bar connection entirely in a tight fit. Methods for producing and applying such an ins...
06/21/2011
7948143Stator for use in electric rotary machine and electric rotary machine
A stator for an electric rotary machine which includes a stator coil which is made up of conducting wires each of which includes in-slot portions disposed one in each of slots formed in a stator core and turned portions each of which connects adjacent two of the in-...
05/24/2011
7928625Stator bar with end arm involute-on-cone bend substantially aligned with stator core slot
Dynamoelectric device and stator bar therefor, where the stator bar includes a linear portion for positioning in a slot of a stator core, the slot extending in a radial direction relative to an axis of the stator, and an end arm portion having an involute-on-cone be...
04/19/2011
7923884Rotary electric machine having stator coil with U-shaped segment
In a stator coil of a rotary electric machine, a first crank portion radially shifts one side of a turn portion from the other side thereof by a first length. The one side extends to one of paired straight portions, and the other side extends to the other thereof. A...
04/12/2011
7919894Architecture for electric machine
The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be us...
04/05/2011
7911106Rotary electric machine
A rotary electric machine according to present invention comprises a rotor and a stator disposed around the rotor in which the stator includes a stator core having, along its inner periphery region, a plurality of axially extending stator slots and an armature windi...
03/22/2011
7872390Method for manufacturing a conductor bar of a rotating electrical machine and a conductor bar manufactured according to this method
A method for manufacturing a conductor bar of a rotating electrical machine includes providing a conductor defining a longitudinal direction and having a rectangular cross section, and building up an insulation to a thickness d around the conductor by progressively ...
01/18/2011
7847465Stator with winding formed of a series of segments for electric rotating machine
A stator has conductor segments serially wound on a core. Each segment inserted in one of slots of the core has a slanting portion protruding from the slot and inclined toward circumferential and axial directions of the core. Each slanting portion has an oblique por...
12/07/2010
7830062Motor having round and angular coils
A straight line portion of a substantially U-shaped angular wire having a substantially rectangular cross section and a straight line portion of a substantially U-shaped round wire having a substantially circular cross section are accommodated at a slot arranged at ...
11/09/2010
7812498Stator of electric rotating machine and electric rotating machine
The stator of an electric rotating machine includes a stator core having slots formed therein along a circumferential direction thereof, and a stator winding formed by conductive wires wound on the slots. The stator winding includes in-slot portions accommodated in ...
10/12/2010
7786644Electric rotary machine, armature, method of manufacturing electric rotary machine and machine for forming armature
An electric rotary machine, an armature for use in the electric machine, a method of forming an electric rotary machine and a forming machine for an armature of an electric rotary machine are disclosed wherein insulator-coated coils are wound in slots of an armature...
08/31/2010
7759835Method for manufacturing a winding for a stator of an electric machine
In a stator for an electric machine and a method for manufacturing a winding for the stator of such an electric machine L-shaped wire segments having a rectangular cross-section are inserted into slots arranged around the stator The long leg of the L-shaped wire seg...
07/20/2010
7759834Electromagnetic device
An electromagnetic device includes a plurality of coils formed by winding conductors. At least some of the conductors are constructed by stacking conductor constructional elements so that an eddy current generated by a leakage flux linked to the conductor is divided...
07/20/2010
7755244Stator for permanent magnet electric motor using soft magnetic composites
A stator of an electrical machine operable as a motor or a generator, applicable to a radial-axial type machine. The stator includes a plurality of stator segments disposed circumferentially about an axis. Each segment has a generally wedge shaped core and a winding...
07/13/2010
7656067Current 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, a leak impedance can be achieved which may be used, according to the ...
02/02/2010
7649294Rotary electric machine and stator for rotary electric machines
In a rotary electric machine, at least one of first and second ends of each conductor segment is at least partially joined to at least one of the first and second ends of a corresponding another one of the conductor segments to provide the stator winding including a...
01/19/2010
7602093Vehicle alternator and stator for vehicle alternator
A vehicle alternator and a stator for the vehicle alternator are disclosed wherein a stator winding includes a plurality of base segments wound on slots of the stator, each of the base segments including a large segment and a small segment disposed in the same slots...
10/13/2009
7579737Armature winding of electric rotating machine, stator of electric rotating machine and electric rotating machine
An armature winding of an electric rotating machine is provided, which includes at least one armature winding bar composed of a plurality of element wire conductors, wherein the armature winding bar includes an element wire conductor configured to have twisted trans...
08/25/2009
7569966Rotating electrical machine and coil
A stator coil, being a rectangular coil, is wound on a salient pole, striding across a plurality of slots, while being inserted sequentially through the inlet of a predetermined slot of the stator core. The stator coil comprises two slot inserts and to be inserted i...
08/04/2009
7567008Rotating electrical machine and method for producing such a machine
A rotating electrical machine (10) has a rotor (11), which rotates about an axis (13) and is surrounded concentrically by a stator (12) having a stator winding (30) inserted into a stator body (21), the stator winding (30...
07/28/2009
7498710Cooling 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 with bared, exposed conductor areas facing inward. The vertical edges of...
03/03/2009
7462971Armature winding, method for manufacturing armature winding, and slotless motor
A first armature winding and a second armature winding each include a tubular member, a first conductor arranged in a radially inner side of the tubular member, and a second conductor arranged in a radially outer side of the tubular member. The first conductor inclu...
12/09/2008
7449808Stranded bar to solidified bar braze method and series loop connection
A stator bar series loop connection is provided that is comprised of a solidified stator bar and a stranded stator bar disposed in a stator slot so that one of the bars is disposed as a top bar and the other of the bars is disposed as a bottom bar in the slot. A fir...
11/11/2008
7443642Electric motor control
A method and apparatus is disclosed for controlling a system comprising at least one electric motor. The system includes aspects which permit, among other things, electromagnetically disconnecting a failed permanent magnet motor from said system, weight savings in m...
10/28/2008
7439645Stator arrangement of a rotary electric machine having lead wires in sagging contact with the stator winding
In a stator of a rotary electric machine that includes a stator winding and a stator core having a plurality of slots, the stator winding is constituted of a plurality of series-connected regular U-shaped segments each of which has a pair of in-slot portions and a p...
10/21/2008
7436098Current 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, a leak impedance can be achieved which may be used, according to the ...
10/14/2008
7391138High-voltage electric rotating machine
The present invention relates an electric rotating machine comprising a plurality of phase coils each composed of a plurality of partial coils each made by connecting segments each composed of an inside-slot conductor portion to be accommodated in each of slots of e...
06/24/2008
7386931Method of forming cascaded stator winding
A method of forming a stator for an electric machine having a cascaded winding includes the steps of: providing a stator core having a plurality of circumferentially spaced and axially-extending core slots in a surface thereof, forming a plurality of A conductors an...
06/17/2008
7382069Rotary electric apparatus with coil-end block from which lead wires are drawn out
A rotary electric apparatus, such as motor, comprises a rotor and a stator arranged to face the rotor in the radial direction. The rotor rotates together with a rotation shaft. The stator has a cylindrical stator core, a stator winding wound in the stator core to ha...
06/03/2008
7367113Method for fabricating a transformer integrated with a semiconductor structure
A substrate is provided and a top interconnection metal layer and a primary winding layer are formed thereon. Then a passivation layer having a plurality of via exposed parts of the top interconnection metal layer is formed on the substrate. A secondary winding laye...
05/06/2008
7367106Method 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 poles. Thick bar conductors can be used for making the wire coils. The wir...
05/06/2008
7360303Method manufacturing for a winding assembly of a rotating electrical machine
There are proposed a manufacturing method of a winding assembly of a rotating electrical machine using a rotation block and a fixed block and a manufacturing apparatus used for the same. The rotation block includes a rotation surface rotatable around a rotation axis...
04/22/2008
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