Patent application number | Description | Published |
20090309431 | APPARATUS FOR USING AN ELECTRICAL MACHINE TO TRANSPORT FLUIDS THROUGH A PIPELINE - A stator for an electrical machine includes teeth assembled from a plurality of stacked laminations mounted on a cylindrical protective surface thereby forming a plurality of slots. The stator also includes an armature winding assembled within the teeth by inserting components of the armature winding into the plurality of stator slots from positions external to the teeth in a manner that facilitates mitigating potential for coil distortion. The armature winding includes a plurality of coils that each include an end winding. The stator further includes a segmented yoke inserted around the armature winding in a manner that facilitates mitigating a potential for disturbing the end winding of the coils. Independently assembling the stator components in this manner facilitates varying a thickness and/or the number of heat conducting laminations between the yoke and teeth that subsequently facilitates heat transfer from the armature winding to an outer pressure casing of the machine. | 12-17-2009 |
20110018483 | STATOR END-WINDING COMPONENT MONITORING SYSTEM - A stator comprises stator end-winding components and a sensing cable. The sensing cable comprises two fixation points secured to two of the end-winding components, and sensors to measure a relative displacement between two or more of the stator end-winding components. | 01-27-2011 |
20120075633 | ELECTRICAL MACHINE COMPONENT MONITORING SYSTEM AND METHOD - An electrical machine component monitoring system includes a light source that provides an optical signal through a fiber optic cable and a fiber optic sensing component positioned on the electrical machine component or at a standoff distance from the electrical machine component to obtain a responsive optical signal representative of a condition of the electrical machine component. The system further includes a photodetector to receive the responsive optical signal from the fiber optic sensing component and to convert the responsive optical signal to an electrical signal. A processing circuitry is also provided in the system for determining information regarding dirt on the electrical machine component by analyzing the electrical signal. | 03-29-2012 |
20130169080 | COOLING OF STATOR CORE FLANGE - An approach for cooling a stator core flange is provided. In one aspect, a pair of stator flanges each disposed at opposing ends of a stator core assembly maintains a compressive load on the stator core assembly. Heat transport tubes may be located about at least one of the stator flanges at an end of the stator core assembly to redistribute heat therefrom. | 07-04-2013 |
20140070640 | COOLING DUCTS IN AN ELECTRO-DYNAMIC MACHINE - A generator stator core assembly is disclosed. The assembly includes a plurality of packages of stacked laminations, each package including an outermost lamination having a plurality of radially extending spacer blocks. The plurality of radially extending spacer blocks and adjacent axially spaced laminations define a radial cooling duct, and the outermost lamination includes a plurality of recesses such that a flow through the cooling duct flows over the plurality of recesses. In one embodiment, at least one adjacent axially spaced lamination defining the radial cooling duct also includes a plurality of recesses. | 03-13-2014 |
20140327330 | DYNAMOELECTRIC MACHINE HAVING ENHANCED ROTOR VENTILATION - A rotor and a dynamoelectric machine including a rotor are disclosed. In an embodiment, the rotor includes a rotor body having a plurality of axially extending slots disposed radially about the rotor body, and at least one coil having at least one turn positioned within each of the plurality of axially extending slots. The rotor further includes a plurality of subslots disposed in the rotor body such that each subslot extends axially through the rotor body parallel to an axis of rotation of the rotor body, and is in fluid communication with a radially inner end of a slot; a passageway extending substantially radially outwardly along each axially extending slot for cooling the at least one turn disposed in the slot; and a retaining member in each of the slots for retaining the at least one turn within the slot. Various embodiments provide ventilation via the passageway for cooling the rotor coils. | 11-06-2014 |
20150155070 | INSULATION FOR ELECTRICAL COMPONENTS - Embodiments of an insulation for electrical components are provided herein. In one embodiment an insulation for an electrical component may include a filler dispersed throughout a polymer matrix, the filler comprising a talc containing nanoclay and boron nitride. In one embodiment, an insulating tape for an electrical component may include a substrate and an insulation disposed atop the substrate, the insulation comprising a filler dispersed throughout a polymer matrix, the filler comprising a talc containing nanoclay and boron nitride. In one embodiment, a stator bar may include a conductive core and an insulating tape disposed atop one or more surfaces of the conductive core, the insulating tape comprising a substrate and an insulation disposed atop the substrate, the insulation comprising a filler dispersed throughout a polymer matrix, the filler comprising a talc containing nanoclay and boron nitride. | 06-04-2015 |
20150162804 | ROTOR WITH COOLING MANIFOLDS - A rotor is disclosed, which includes a plurality of axially extending slots disposed about the rotor; a plurality of conductors radially stacked within each of the axial slots; and an axially extending subslot at a radially inward end of each of the slots. In each slot, a cooling path is provided, extending radially outward from the subslot. The cooling path includes at least one manifold, each manifold including at least one ingress passage, at least one egress passage axially distanced from the ingress passage, and a plurality of axially extending passages in fluid connection at a first end with one of the at least one ingress passages, and at a second end with one of the at least one egress passages. Each of the plurality of axially extending passages is disposed at a different radial depth in the slot from each other axially extending passage. | 06-11-2015 |