dynamoelectric (Total 3964 Patents Found)

For a dynamoelectric machine, excitation power is supplied by a main exciter having two field windings. A first field winding is driven by a pilot exciter which supplies base excitation (small signal) for the main exciter. Forcing excitation (large signal) is supplied by the second field winding which is driven by an e...
A cooling gas ventilation chimney is provided for enhancing the heat transfer of an end region of a dynamoelectric machine. The dynamoelectric machine includes a rotor having a plurality of radial slots. A plurality of coils are seated in the radial slots, and the coils form a plurality of radially stacked turns. The v...
A connection ring assembly and connection ring support system for a dynamoelectric machine is provided. The connection ring assembly includes a plurality of connection rings, and a clamp element disposed around a portion of the connection rings. The clamp element provides axial and tangential support to the plurality o...
A baffle for improving coolant gas flow distribution in the gap region of a gas cooled dynamoelectric comprises a perforate member defining at least one gas flow path therethrough. The baffle preferably is spaced from the arcuately surrounds the rotor of the generator, wherein the gas flow path provides communication b...
Disclosed is a dynamoelectric machine rotor with a superconducting winding, including an inner shaft formed by a superconducting winding supporting structure, an outer shaft formed by a cylindric shell and end extensions fixed to the ends thereof, an electromagnetic shield including an inner cylinder made of a material...
A multiphase motor comprises a plurality of ferromagnetic stator core segments, the core segments being substantially uniformly spaced around an axis of rotation and isolated from direct contact with each other. Each core segment forms at least one pair of poles having coils wound thereon to form a phase winding. Each ...
A method of treating winding means of a dynamo-electric machine core with a liquid adhesive material. A plurality of winding coils have opposite side turn portions received in slots provided therefor in the core and opposite end turn portions arranged adjacent opposite end faces of the core, respectively. In practicing...
A homopolar dynamoelectric machine is provided with plural independent output terminals for selectable external interconnection to yield a variable output. Each output terminal is associated with a respective pair of rotor conductor and stator conductor. Each rotor conductor and stator conductor is of a generally cylin...
A dynamoelectric machine, having a stator and rotor, is enclosed in a sealed housing. An impeller fixed to the rotor shaft creates air circulation through the housing and machine components for contact with one or more sealed containers of a coolant medium. The sealed container provides heat transfer from the circulate...
A pancake armature winding in which the turns of each phase coil are insulated to withstand turn-to-turn voltage potential has phase-to-phase insulation provided by inner and outer insulative skins which act cooperatively with insulative filler pieces which also provide mechanical support for the phase coil. The reduce...
A high permeability slot wedge for a dynamoelectric machine with the wedge configured as an elongated bar of uniform cross-sectional configuration formed of a ferromagnetic material having modestly good electrically insulative properties comprising approximately by weight 60% to 80% relatively small ferromagnetic parti...