Patents by Inventor Kevin Thomas McCarthy
Kevin Thomas McCarthy 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: 8135247Abstract: A fiber sensor package is disclosed. The fiber sensor package includes an interconnection between a first optical fiber and a second optical fiber within a tubing such that the first and second optical fibers are at least partially disposed within that tubing. A bonding material is disposed across an edge of the interconnection around at least a part of the circumferential surfaces of the first and second fibers, holds rigid the interconnection of the first and second optical fibers. The methods of preparing the package, and the examples of systems benefiting from the fiber sensor package of this invention are also described.Type: GrantFiled: March 30, 2009Date of Patent: March 13, 2012Assignee: General Electric CompanyInventors: Hua Xia, James Michael Storey, Aaron John Avagliano, Aditya Kumar, Kevin Thomas McCarthy, Juntao Wu, Cheryl Zhan
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Publication number: 20110282500Abstract: A system and method for enhancing operation of a power generation system. The method includes receiving forecasts at a predictive control unit. The method also includes accessing via a controller real-time lifing models or near real-time lifing models in the predictive control unit. Additionally, the method includes accessing via the controller an enhancer configured to simulate operation of a power generating unit in the power generation system to generate an enhancement of the power generation system based on the forecasts and the real-time or near real-time lifing models.Type: ApplicationFiled: May 17, 2010Publication date: November 17, 2011Applicant: General Electric CompanyInventors: Christopher Eugene Long, Robert Joseph Iasillo, Jonathan Carl Thatcher, Kevin Thomas McCarthy, Sameer Vittal
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Patent number: 8042412Abstract: A fiberoptic multi-parameter sensing system for monitoring turbomachinery system shaft static and dynamic torques, vibration modes and associated operation status includes a multi-furcated fiber bundle based optical splitter configured to transmit light to a surface of at least one turbomachinery system shaft through a plurality of optical fiber bundles disposed at a plurality of locations in proximity to the surface of the at least one shaft, in which the plurality of locations together are arranged in a substantially axial direction between the ends of the at least one shaft.Type: GrantFiled: June 25, 2008Date of Patent: October 25, 2011Assignee: General Electric CompanyInventors: Hua Xia, Norman Arnold Turnquist, David So Keung Chan, Danian Zheng, Kevin Thomas McCarthy, Richard Joseph Gawrelski, Matthew Damian Pietrzykowski, Alexander Seth Ross, Yun Li, Juntao Wu
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Patent number: 8019190Abstract: An optical fiber sensing cable is disclosed. The optical fiber sensing cable comprises a fiber with a core having an index of refraction n1, and a circumferential surface of the fiber including a nanoporous cladding having an index of refraction index n2. The methods of preparing the fiber sensor cable, including forming the nanoporous cladding and the sensor systems incorporating the optical fiber sensing cable of this invention are also disclosed.Type: GrantFiled: March 30, 2009Date of Patent: September 13, 2011Assignee: General Electric CompanyInventors: Hua Xia, Kevin Thomas McCarthy, Juntao Wu, Cheryl Zhan
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Patent number: 8009939Abstract: A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fiber and at least one of the optical fibers comprising a signal fiber; a light source for providing light through the transmission fiber towards a target; filters for receiving light from the signal fibers, at least two of the filters for filtering different wavelengths; and at least one photodetector for receiving filtered light from the filters.Type: GrantFiled: September 30, 2008Date of Patent: August 30, 2011Assignee: General Electric CompanyInventors: Danian Zheng, Peter John Eisenzopf, Kevin Thomas McCarthy, Roy Paul Swintek, Norman Arnold Turnquist, Hua Xia
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Publication number: 20110170823Abstract: A fiber optic sensor is provided. The fiber optic sensor includes a fiber core having a plurality of grating elements wherein, the grating elements comprise a periodic or a quasiperiodic modulated microcrystalline and silicon dioxide tetrahedral structure and a cladding disposed about the fiber core.Type: ApplicationFiled: February 5, 2008Publication date: July 14, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Mahadevan Balasubramaniam, Jie Jiang, Huageng Luo, Abdul Rahman Abdallah Al-Khalidy, Clayton Ming Young, Kevin Thomas McCarthy
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Patent number: 7912334Abstract: A gasification distributed temperature sensing system is disclosed. The sensing system includes a gasification vessel and a harsh environment fiber sensing cable package disposed within the gasification vessel, the sensing cable package includes a thermally conductive enclosure and at least one sensor cable including a distributed array of high-temperature fiber Bragg grating sensors, wherein the sensors are disposed and hermetically sealed within the thermally conductive enclosure.Type: GrantFiled: September 19, 2007Date of Patent: March 22, 2011Assignee: General Electric CompanyInventors: Hua Xia, Kevin Thomas McCarthy, Clayton Ming Young
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Publication number: 20100287906Abstract: A fiber-optic dynamic sensing module comprises a support member, a beam extending from the support member, and a pre-strained fiber Bragg grating sensor and a strain-free fiber Bragg grating sensor mounted on the beam. The pre-strained and strain-free fiber Bragg grating sensors each comprise a Bragg grating inscribed in a fiber. The Bragg grating of the pre-strained fiber Bragg grating sensor is packaged more tightly along a longitudinal direction of the beam than the Bragg grating of the strain-free fiber Bragg grating sensor.Type: ApplicationFiled: May 14, 2009Publication date: November 18, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Kevin Thomas McCarthy, Jeffrey Scott Goldmeer, Ertan Yilmaz, Ted Carlton Kreutz, Clayton Ming Young, Russell Stephen Demuth, Hunt Adams Sutherland
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Publication number: 20100290733Abstract: A fiber Bragg grating multi-point temperature sensing system comprises a fiber sensing cable package and a plurality of clamping devices distributed along an inner surface of a wall in a circumferential direction for securing the fiber sensing cable package. The fiber sensing cable package comprises a fiber Bragg grating based sensing cable comprising at least one optical fiber, a plurality of Bragg gratings inscribed in the optical fiber, and a fabric layer and a sheath tube surrounding the optical fiber. The multi-point fiber temperature sensing system comprises a light source for transmitting light to the Bragg gratings based sensing cable package, and a detector module receiving reflected signal. Each clamping device comprises a radiation tee and defines at least one mounting hole for securing the fiber sensing cable.Type: ApplicationFiled: May 15, 2009Publication date: November 18, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Kevin Thomas McCarthy, Michael Joseph Krok, Boon Kwee Lee, Christian Joseph Wagner, Ronald Kevin Gilstrap, James Richard Nutt, Kung-Li Deng, David Robert O'Connor, Juntao Wu, James Gerard Lopez
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Publication number: 20100257838Abstract: A method for monitoring the health of a turbine is provided. The method comprises monitoring a turbine engine having a plurality of engine modules and determining one or more health estimates, which may included trended data, for one or more of the engine modules, based on a plurality of engine parameters. The method further determining and transmitting appropriate notifications that indicate repairs to be made to the turbine engine.Type: ApplicationFiled: April 9, 2009Publication date: October 14, 2010Applicant: General Electric CompanyInventors: Maria Cecilia Mazzaro, Michael Evans Graham, Harry Kirk Mathews, JR., Kevin Thomas McCarthy, Donald Bleasdale, Dhiraj Arora, Mohammad Waseem Adhami, Adriana Elizabeth Trejo
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Publication number: 20100247026Abstract: A fiber sensor package is disclosed. The fiber sensor package includes an interconnection between a first optical fiber and a second optical fiber within a tubing such that the first and second optical fibers are at least partially disposed within that tubing. A bonding material is disposed across an edge of the interconnection around at least a part of the circumferential surfaces of the first and second fibers, holds rigid the interconnection of the first and second optical fibers. The methods of preparing the package, and the examples of systems benefiting from the fiber sensor package of this invention are also described.Type: ApplicationFiled: March 30, 2009Publication date: September 30, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, James Michael Storey, Aaron John Avagliano, Aditya Kumar, Kevin Thomas McCarthy, Juntao Wu, Cheryl Zhan
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Publication number: 20100247027Abstract: An optical fiber sensing cable is disclosed. The optical fiber sensing cable comprises a fiber with a core having an index of refraction n1, and a circumferential surface of the fiber including a nanoporous cladding having an index of refraction index n2. The methods of preparing the fiber sensor cable, including forming the nanoporous cladding and the sensor systems incorporating the optical fiber sensing cable of this invention are also disclosed.Type: ApplicationFiled: March 30, 2009Publication date: September 30, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Kevin Thomas McCarthy, Juntao Wu, Cheryl Zhan
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Publication number: 20100080500Abstract: A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fiber and at least one of the optical fibers comprising a signal fiber; a light source for providing light through the transmission fiber towards a target; filters for receiving light from the signal fibers, at least two of the filters for filtering different wavelengths; and at least one photodetector for receiving filtered light from the filters.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Danian Zheng, Peter John Eisenzopf, Kevin Thomas McCarthy, Roy Paul Swintek, Norman Arnold Turnquist, Hua Xia
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Publication number: 20100074572Abstract: A device includes a stationary, rotary component, and a fiber optic sensing system. The fiber optic sensing system includes a cable having one or more fiber optic sensors disposed on the stationary component, the rotary component, or combinations thereof. The fiber optic sensing system is configured to detect one or more first parameters including temperature, strain, pressure, vibration, torque; or combinations thereof related to the stationary component, the rotary component, or combinations thereof. The one or more first parameters is used to determine one or more second parameters including thermal expansion, clearance, fluid flow rate variation, condensation, fluid leakage, thermal loss, life, thermal stress, or combinations thereof related to the stationary component, the rotary component, or combinations thereof.Type: ApplicationFiled: September 24, 2008Publication date: March 25, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Danian Zheng, Norman Arnold Turnquist, Peter John Eisenzopf, Kevin Thomas McCarthy, Hua Xia, Roy Paul Swintek
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Publication number: 20090320609Abstract: A fiberoptic multi-parameter sensing system for monitoring turbomachinery system shaft static and dynamic torques, vibration modes and associated operation status includes a multi-furcated fiber bundle based optical splitter configured to transmit light to a surface of at least one turbomachinery system shaft through a plurality of optical fiber bundles disposed at a plurality of locations in proximity to the surface of the at least one shaft, in which the plurality of locations together are arranged in a substantially axial direction between the ends of the at least one shaft.Type: ApplicationFiled: June 25, 2008Publication date: December 31, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Norman Arnold Turnquist, David So Keung Chan, Danian Zheng, Kevin Thomas McCarthy, Richard Joseph Gawrelski, Matthew Damian Pietrykowski, Alexander Seth Ross, Yun Li, Juntao Wu
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Publication number: 20090087303Abstract: A device operating in an environment includes a fiber optic sensing system having one or more fiber optic sensors disposed in the device and configured to detect one or more parameters related to the device. The parameters may include temperature, strain, pressure, vibration, or combinations thereof.Type: ApplicationFiled: September 28, 2007Publication date: April 2, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Eric John Ruggiero, Kevin Thomas McCarthy, Christopher Edward Wolfe, Hua Xia, Bala Corattiyil, Kenneth Lee Fisher
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Publication number: 20090074348Abstract: A gasification distributed temperature sensing system is disclosed. The sensing system includes a gasification vessel and a harsh environment fiber sensing cable package disposed within the gasification vessel, the sensing cable package includes a thermally conductive enclosure and at least one sensor cable including a distributed array of high-temperature fiber Bragg grating sensors, wherein the sensors are disposed and hermetically sealed within the thermally conductive enclosure.Type: ApplicationFiled: September 19, 2007Publication date: March 19, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Kevin Thomas McCarthy, Clayton Ming Young
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Publication number: 20090074347Abstract: A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more ions for enhancing an amorphous network crosslink mean coordination number. The method further includes thermally annealing the fiber core material for widening the band gap of the fiber core material.Type: ApplicationFiled: September 14, 2007Publication date: March 19, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Kevin Thomas McCarthy, Kung-Li Justin Deng, Fulton Jose Lopez, Aaron John Avagliano
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Patent number: 7499605Abstract: A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more ions for enhancing an amorphous network crosslink mean coordination number. The method further includes thermally annealing the fiber core material for widening the band gap of the fiber core material.Type: GrantFiled: September 14, 2007Date of Patent: March 3, 2009Assignee: General Electric CompanyInventors: Hua Xia, Kevin Thomas McCarthy, Kung-Li Justin Deng, Fulton Jose Lopez, Aaron John Avagliano
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Patent number: 7492980Abstract: In accordance with one exemplary embodiment the invention provides a multi-parameter fiber optic sensing system with an aperiodic sapphire fiber grating as sensing element for simultaneous temperature, strain, NOx, CO, O2 and H2 gas detection. The exemplary sensing system includes an aperiodic fiber grating with an alternative refractive index modulation for such multi-function sensing and determination. Fabrication of such quasiperiodic grating structures can be made with point-by-point UV laser inscribing, diamond saw micromachining, and phase mask-based coating and chemical etching methods. In the exemplary embodiment, simultaneous detections on multi-parameter can be distributed, but not limited, in gas/steam turbine exhaust, in combustion and compressor, and in coal fired boilers etc.Type: GrantFiled: April 22, 2008Date of Patent: February 17, 2009Assignee: General Electric CompanyInventors: Kevin Thomas McCarthy, Kung-Li Justin Deng, Hua Xia, Michael Joseph Krok, Avinash Vinayak Taware