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7605505 |
Rotating electric machine rotor pole crossover
A rotor for use in a high speed electrical machine includes a shaft, a plurality of poles, a plurality of coils, and a rotor crossover that is relatively flexible, and that does not crack under the...
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7586231 |
End cap for segmented stator
A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning...
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7567009 |
Stator arrangement for an electric machine and a method for manufacturing the stator arrangement
A stator arrangement for an electric machine having a stator body which has a back yoke ring and a number of stator teeth that project in a radial direction from the back yoke ring, wherein at...
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7567008 |
Rotating 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...
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7560850 |
Interphase insulating sheet and stator having the same
An interphase insulating sheet is used in a stator including a core and a multiphase winding having a plurality of phase windings for insulating the phase windings from one another. The interphase...
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7557475 |
Methods and apparatus for cooling generators
A baffle for guiding cooling fluids in a power generator cooled by a cooling fluid and having a flange, a stator, and an end stator has an inclined surface configured to direct a first portion of...
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7545060 |
Method and apparatus for heat removal from electric motor winding end-turns
An electric motor includes a stator having a plurality of slots. The slots have slot ends and channels formed between the slot ends. A plurality of wire windings is disposed in the slots. A...
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7535136 |
Protector mounting apparatus for protector mounted on the windings of a motor
A motor includes a protector electrically connected to the windings and positioned on the coil. A rigid bracket is sized and shaped to receive the protector. A fastening system extends over the...
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7525230 |
Air core motor-generator
A brushless motor-generator includes a rotor having a ferromagnetic tube with radially polarized, alternating polarity permanent magnet poles, and an air core armature that magnetically exerts...
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7501728 |
Electric machine with a winding support assembly and a measuring system
An electric machine, in particular a motor, includes a winding support assembly and a measuring system, preferably an infrared measuring system, The measuring system has at least one sensor and an...
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7498713 |
Dynamoelectric stator and method for manufacturing a dynamoelectric stator
A stator includes: an annular stator core in which a plurality of slots opening radially inward are formed circumferentially; and a stator winding installed in the stator core. A sheet-shaped...
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7479725 |
Stator for an electric machine
The stator for an electric machine includes a ring-shaped stator yoke, on which stator coils, formed on winding bodies and distributed uniformly around the circumference, are mounted. The coils are...
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7476995 |
Central power distributing member for a brushless motor, a brushless motor provided therewith and a method of assembling it
A busbar ( 10 ) has a plurality of straight portions ( 14 ) circumferentially arranged at intervals. Several such busbars ( 10 ) are tied at a plurality of circumferential spaced positions by...
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7417342 |
Holder for winding wires for stators of electric motors
The invention relates to a holder for the winding wires for stators of electric motors consisting of a component to be disposed on the stator having means for holding and guiding the winding wires...
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7400072 |
Bolted spherical series and phase connector for stator coils of electrical generators
A connector arrangement and techniques are provided for reducing eddy current losses and/or skin effects while enabling more readily serviceable series and phase connections between the coil ends ...
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7385323 |
Armature of rotary electrical device
An improved armature construction in which a coil winding wiring board and cooperating insulator around which the coils are wound at least in part wherein the insulator and wiring board are...
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7382075 |
End cap for segmented stator
A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning...
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7368845 |
Electrical machine with a rotor and stator
An electric machine with a rotor and a stator, especially an electric motor or a generator, preferably for a power plant, wherein the stator has a winding with several winding bars which, in the...
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7327057 |
Neutral-point terminal device for dynamoelectric machine
A neutral-point terminal device for use with a neutral point side bundle of wires in a polyphase winding of a dynamoelectric machine includes a metal sleeve and an insulating cap covering the metal...
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7321179 |
Radially clamped ball and socket series and phase connector
The present invention comprises a U-bolt connector for connecting pairs of stator coil headers 2 with ball headers 6 comprising, a U-bolt 16, top capping pieces 18,20, bottom capping pieces...
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7275300 |
Process for rapid on-demand stator rewinds in electrical generators
The process for stator bar rewinds includes disassembly of the stator bars at the generator site, measurement of the stator bars, forwarding digital representations of the measurements to a...
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7263905 |
Removable Hall-Effect sensor system for stator windings in a rotating electric machine
A Hall-Effect sensor assembly for a rotating electric machine comprises a thin, removable tubular substrate with Hall-Effect sensors and associated connection wiring mounted on it that slips...
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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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7166941 |
Electroplated stator bar end and fitting
The interior of a stator bar clip that is joined to the end of a stator bar is electroplated so that a metallic barrier coating overlies the braze joint between the stator bar and the clip to...
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7164217 |
Lead frame and distributing part using same
An electric motor lead frame for connecting motor coils of the same phase is formed integrally by a linear conductor. The linear conductor includes at least a single conducting wire and has...
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7145273 |
Motor vehicle alternator
The invention relates to an alternator for a motor vehicle including a stator ( 13 ) equipped with a body ( 14 ) carrying several phases each comprising, on the one hand, an inlet (E 1 to E′ 3 )...
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7122936 |
Phase insulation paper and electric motor provided with phase insulation paper
Three-dimensional portions are made of the same PET resin as are flat portions, only thicker. That is, the three-dimensional portions are more rigid than the flat portions. The three-dimensional...
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7102267 |
Electric machine with thermosiphon-type cooling system
An electric machine includes a housing for accommodating a rotatably supported rotor and a stationary stator, and a cooling device for cooling heat-generating components of the rotor and the...
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7095153 |
Extended core for motor/generator
An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be...
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7064470 |
Three-phase motor
A three-phase motor having a stator in which the dimensions of protrusion of coil end parts in winding coils of individual phases can be equalized as much as possible and in which the overall...
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7002278 |
Support structure for high-voltage conductors
A support structure ( 20 ) is provided for supporting and spacing apart high-voltage electrical conductors ( 12 ) in an electric machine. An exemplary support structure ( 20 ) includes an improved...
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6965184 |
Apparatus for supporting a stator end winding
An apparatus ( 10 ) for supporting a winding ( 7 ) on a stator ( 1 ), in particular on a generator stator in a power station. The winding ( 7 ) has an end winding ( 9 ) which is supported axially...
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6949848 |
Terminal for armature
An electrical armature having a wiring board embodying conductive plates with wire end receiving terminals to receive and hold the wire ends of the coils while they are fused to the terminals.
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6940203 |
Grounding and clamping member for stator coil
A corona suppression apparatus for a dynamoelectric machine having a stator coil ( 12 ) covered with a corona suppression covering ( 16 ), the apparatus including a member ( 10 ) conducting to...
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6933652 |
Automotive alternator
A stator winding is configured into a polyphase alternating-current winding by joining together end portions of a plurality of winding sub-portions in a vicinity of each of axial ends of coil end...
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6930425 |
Rotary electric machine stator and method of manufacturing the same
A rotary electric machine stator includes a stator core having plural slots and a stator winding that is composed of plural conductor segments. Each conductor segment has a straight portion...
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6924570 |
Stator for an electric motor
The invention relates to a stator for an electric motor. Said stator has an annular stator package having a plurality of stator teeth. An annular interconnection unit is located on the end face of...
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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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6891308 |
Extended core for motor/generator
An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be...
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6888287 |
Apparatus for securement of a winding assembly
Apparatus for fastening a winding assembly disposed at least partially in an air gap between a stator yoke and a rotor of an electric machine, includes a main body made of electrically insulating...
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6888281 |
Stator of alternator having lead wires firmly held on circular coil end of stator winding
An alternator includes a stator and a rotor disposed inside the stator and rotated by an engine of an automobile. The stator is composed of a cylindrical stator core and a stator winding held in...
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6858967 |
Ring assembly for mechanically clamping a stator core with core-end magnetic flux shunts in a dynamoelectric machine
An assembly for mechanically clamping a laminated steel stator core including laminated steel core-end magnetic flux shunts in a dynamoelectric machine is provided. The flux shunt at each end of...
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6849987 |
System and method for end turn retention on a high speed generator rotor
A new improved system and method for end turn retention for wires on a generator rotor for use in high speed applications such as in aircraft applications. The rotor includes a shaft, spokes,...
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6838804 |
Insulation cap structure for rotating machine
To improve winding speed and productivity of a rotating machine by providing curved edges on corner portions of tongues of an insulation cap body. In an insulation cap structure for the rotating...
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6836052 |
Device for tensioning a stator winding
The invention relates to a device ( 12 ) for tensioning a winding ( 9 ) of a stator ( 1 ), in particular a generator stator ( 1 ) of a power plant. The winding ( 9 ) includes a winding head ( 10 )....
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6828710 |
Airgap armature
An improved airgap armature for use in brushless rotary electrical machines is constructed with multiple phase windings comprised of wires that are wound onto and bonded to a supporting form...
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6809437 |
Automotive alternator
A varnish is applied to crossover portions of coil ends of a stator winding such that a space factor of conductor wires and the varnish relative to a cross-sectional area of the crossover portions...
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6794779 |
Compact electromechanical linear actuator
An electromechanical linear actuator that contains an electric servo motor mounted within a compact housing. A thermally conductive path of travel is provided to efficiently transfer heat out of...
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6791232 |
Generator gas shield and related method
A generator gas shield includes an annular ring body having an outer radially extending flange terminating at a first free end of a first diameter; a curved inlet portion; a substantially axial...
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6791228 |
Stator for a dynamoelectric machine
A stator winding is constituted by first and second three-phase alternating-current windings. An output-wire lead wire of winding phase portions led out of Address 6 of a slot is bent so as to...
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