Patents by Inventor Christopher Anthony Kaminski
Christopher Anthony Kaminski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9548640Abstract: 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.Type: GrantFiled: December 5, 2013Date of Patent: January 17, 2017Assignee: General Electric CompanyInventors: Anil Kumar Tolpadi, Christopher Anthony Kaminski, Gustavo Adolfo Ledezma, Rebinth Jose Robin
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Patent number: 9263921Abstract: Embodiments of the invention relate generally to electromagnetic devices and, more particularly, to the compression of stator core laminations using wire rope members and to stator cores and electromagnetic devices employing such wire rope members. In one embodiment, the invention includes: affixing a first end of a wire rope member to a first flange plate disposed adjacent a first end of a plurality of stator laminations; affixing a second end of the wire rope member to a second flange plate disposed adjacent a second end of the plurality of stator laminations; tensioning at least one of the first end or the second end of the wire rope member against at least one of the first flange plate and the second flange plate to exert a compressive force against the first flange plate, the second flange plate, and the plurality of stator laminations.Type: GrantFiled: July 2, 2013Date of Patent: February 16, 2016Assignee: General Electric CompanyInventors: Anand Shankar Tanavde, Christopher Anthony Kaminski, Lakshminarayana Kanakamedala
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Publication number: 20150162804Abstract: 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.Type: ApplicationFiled: December 5, 2013Publication date: June 11, 2015Applicant: General Electric CompanyInventors: Anil Kumar Tolpadi, Christopher Anthony Kaminski, Gustavo Adolfo Ledezma, Rebinth Jose Robin
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Publication number: 20150155070Abstract: 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.Type: ApplicationFiled: December 4, 2013Publication date: June 4, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Yang Cao, Christopher Michael Calebrese, Stephen Francis Francese, Xiaomei Fang, Christopher Anthony Kaminski, Yosang Yoon, Wei Zhang
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Publication number: 20150008787Abstract: Embodiments of the invention relate generally to electromagnetic devices and, more particularly, to the compression of stator core laminations using wire rope members and to stator cores and electromagnetic devices employing such wire rope members. In one embodiment, the invention includes: affixing a first end of a wire rope member to a first flange plate disposed adjacent a first end of a plurality of stator laminations; affixing a second end of the wire rope member to a second flange plate disposed adjacent a second end of the plurality of stator laminations; tensioning at least one of the first end or the second end of the wire rope member against at least one of the first flange plate and the second flange plate to exert a compressive force against the first flange plate, the second flange plate, and the plurality of stator laminations.Type: ApplicationFiled: July 2, 2013Publication date: January 8, 2015Inventors: Anand Shankar Tanavde, Christopher Anthony Kaminski, Lakshminarayana Kanakamedala
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Patent number: 8901790Abstract: 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.Type: GrantFiled: January 3, 2012Date of Patent: December 2, 2014Assignee: General Electric CompanyInventors: Samir Armando Salamah, James Jonathan Grant, Christopher Anthony Kaminski, Rebinth Jose Robin, Anil Kumar Tolpadi
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Publication number: 20140327330Abstract: 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.Type: ApplicationFiled: January 26, 2012Publication date: November 6, 2014Inventors: Christopher Anthony Kaminski, Anthony Salvatore Arrao, Evgeny Victorovich Kazmin, Timothy Gerald Schmehl, Dmitry Yurevich Semenov, Yury Danilovich Vinitzky, Natalja Stanislavovna Voiteko
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Publication number: 20140070640Abstract: 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.Type: ApplicationFiled: September 13, 2012Publication date: March 13, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Anil Kumar Tolpadi, Srinath Varadarajan Ekkad, Christopher Anthony Kaminski, Samir Armando Salamah
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Publication number: 20130169080Abstract: 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.Type: ApplicationFiled: January 3, 2012Publication date: July 4, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Samir Armando Salamah, James Jonathan Grant, Christopher Anthony Kaminski, Rebinth Jose Robin, Anil Kumar Tolpadi
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Patent number: 8422008Abstract: 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.Type: GrantFiled: September 29, 2010Date of Patent: April 16, 2013Assignee: General Electric CompanyInventors: Hua Xia, Glen Peter Koste, Axel Busboom, Christopher Anthony Kaminski
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Patent number: 8225497Abstract: Embodiments of the invention relate generally to rotor installation systems and, more particularly, to permanent magnet rotor installation systems, including those having an in situ magnetizer or magnet insertion device. In one embodiment, the invention provides a rotor installation system comprising: at least one magnetizer for permanently magnetizing a ferromagnetic material; and an arbor for receiving a rotor having at least one portion including a ferromagnetic material, wherein the at least one magnetizer is positioned relative to the arbor to allow permanent magnetization of the ferromagnetic material.Type: GrantFiled: January 5, 2010Date of Patent: July 24, 2012Assignee: General Electric CompanyInventors: Stephen Bertram Johnson, Christopher Anthony Kaminski, Chandrakant Bapurao Kirolikar, Ronald George Shillington
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Publication number: 20120075633Abstract: 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.Type: ApplicationFiled: September 29, 2010Publication date: March 29, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Glen Peter Koste, Axel Busboom, Christopher Anthony Kaminski
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Patent number: 8051710Abstract: A midlength balanced rotor comprises a rotor assembly for rotation about an axis of rotation defining at least one of an axially extended, radially concentric, centerline borehole; an array of radially or tangentially distributed, axially extended pockets; and a series of radially or tangentially distributed, axially extended slots. At least one balance weight is positioned within at least one of the axially extended, radially concentric, centerline borehole, the array of radially or tangentially distributed, axially extended pockets, or the radially or tangentially distributed, axially extended slots to balance the rotor assembly. Alternatively, at least one balance correcting mass is removed from at least one of the axially extended, radially concentric, centerline borehole, the array of radially or tangentially distributed, axially extended pockets, or the radially or tangentially distributed, axially extended slots to balance the rotor assembly.Type: GrantFiled: November 28, 2007Date of Patent: November 8, 2011Assignee: General Electric CompanyInventors: Jeremy Daniel Van Dam, Christopher Anthony Kaminski, Blake Weldon Wilson
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Publication number: 20110162199Abstract: Embodiments of the invention relate generally to rotor installation systems and, more particularly, to permanent magnet rotor installation systems, including those having an in situ magnetizer or magnet insertion device. In one embodiment, the invention provides a rotor installation system comprising: at least one magnetizer for permanently magnetizing a ferromagnetic material; and an arbor for receiving a rotor having at least one portion including a ferromagnetic material, wherein the at least one magnetizer is positioned relative to the arbor to allow permanent magnetization of the ferromagnetic material.Type: ApplicationFiled: January 5, 2010Publication date: July 7, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Stephen Bertram Johnson, Christopher Anthony Kaminski, Chandrakant Bapurao Kirolikar, Ronald George Shillington
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Publication number: 20110018483Abstract: 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.Type: ApplicationFiled: July 21, 2009Publication date: January 27, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Glen Peter Koste, Axel Busboom, Christopher Anthony Kaminski, Hua Xia
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Patent number: 7816825Abstract: 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 ventilation chimney includes one or more chimney slots defined in at least a portion of the radially stacked turns. The chimney slots extend in a substantially radial direction to the rotor, and some of the chimney slots have an axial or circumferential length different from other chimney slots.Type: GrantFiled: July 23, 2008Date of Patent: October 19, 2010Assignee: General Electric CompanyInventors: Emil D. Jarczynski, Norman J. Suguitan, William D. Gerstler, Christopher Anthony Kaminski, Hendrik P. J. de Bock
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Patent number: 7811068Abstract: A compressor assembly for use in transporting natural gas is provided. The assembly includes a natural gas compressor comprising at least one stage of compression, a permanent magnet-type super-synchronous motor coupled to the natural gas compressor for powering said compressor, and a housing, the compressor positioned within the housing, and the compressor configured to facilitate increasing a pressure of natural gas being transmitted.Type: GrantFiled: November 16, 2005Date of Patent: October 12, 2010Assignee: General Electric CompanyInventors: Konrad Roman Weeber, Christopher Anthony Kaminski, Yu Wang, James Michael Fogarty, Ralph James Carl, Jr., Charles Michael Stephens
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Patent number: 7768173Abstract: 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.Type: GrantFiled: August 21, 2009Date of Patent: August 3, 2010Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Blake Weldon Wilson, James Michael Fogarty, Emil Donald Jarczynski, John Russell Yagielski, Konrad Roman Weeber
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Patent number: 7709988Abstract: An electrical machine to facilitate transporting fluids through a pipeline is provided. The electrical machine includes a rotor assembly that further includes an array of magnets configured to generate a distributed magnetic field. The rotor assembly has corrosion-resistant features that facilitates mitigating deleterious effects to the rotor assembly while being exposed to aggressive and harsh fluids.Type: GrantFiled: April 7, 2006Date of Patent: May 4, 2010Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Charles Michael Stephens, James Michael Fogarty, Jeremy Daniel Van Dam, John Russell Yagielski, Konrad Roman Weeber
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Publication number: 20100019591Abstract: 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 ventilation chimney includes one or more chimney slots defined in at least a portion of the radially stacked turns. The chimney slots extend in a substantially radial direction to the rotor, and some of the chimney slots have an axial or circumferential length different from other chimney slots.Type: ApplicationFiled: July 23, 2008Publication date: January 28, 2010Inventors: Emil D. Jarczynski, Norman J. Suguitan, William D. Gerstler, Christopher Anthony Kaminski, Hendrik P.J. de Bock