Patents Represented by Attorney Ann M. Agosti

Find this attorney in the Justia Lawyer Directory

  • Component in a combustion system, and process for preventing slag, ash, and char buildup
    Patent number: 7914904
    Abstract: Disclosed herein is a component in a combustion system comprising a composite, the composite comprising silicon carbide; and a refractory metal silicide comprising a phase selected from Rm5Si3, Rm5Si3C, RmSi2, and a combination thereof; wherein Rm is a refractory metal selected from molybdenum, tungsten, and a combination thereof. Also disclosed is a process for preventing slag, ash, and char buildup on a surface, comprising disposing a first surface of the composite on the surface; replacing a component comprising the surface with a component consisting of the composite; or a combination thereof.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: March 29, 2011
    Assignee: General Electric Company
    Inventors: Martin Mathew Morra, Aaron John Avagliano, Wei Chen, Monty L. Harned, Shashishekara S. Talya
  • Integrated neutron-gamma radiation detector with optical waveguide and neutron scintillating material
    Patent number: 7915596
    Abstract: A radiation detector includes a neutron sensing element having a neutron scintillating material at least partially surrounded by an optical waveguide material; and a photosensing element optically coupled to the neutron sensing element. The photons emitted from the neutron sensing element are collected and channeled through the optical waveguide material and into the photosensing element.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: March 29, 2011
    Assignee: General Electric Company
    Inventors: Brent Allen Clothier, Daniel Bruno McDevitt, Adrian Ivan
  • Method and system for estimating life of a gearbox
    Patent number: 7914250
    Abstract: A gearbox life estimation system includes a single sensor or multiple sensors configured for obtaining field operational data related to loading of a gearbox from a single gearbox component or different gearbox components. The system further includes a processor configured for receiving signals representative of the field operational data from the sensors, for providing calculated operational load data for the gearbox components based on the field operational data, and for providing an estimate of remaining life of gearbox using the calculated operational load data.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: March 29, 2011
    Assignee: General Electric Company
    Inventors: Ajay Kumar Behera, Soumen De, Vinay Bhaskar Jammu
  • Combustor nozzle for a fuel-flexible combustion system
    Patent number: 7908864
    Abstract: A combustor nozzle is provided. The combustor nozzle includes a first fuel system configured to introduce a syngas fuel into a combustion chamber to enable lean premixed combustion within the combustion chamber and a second fuel system configured to introduce the syngas fuel, or a hydrocarbon fuel, or diluents, or combinations thereof into the combustion chamber to enable diffusion combustion within the combustion chamber.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: March 22, 2011
    Assignee: General Electric Company
    Inventors: Joel Meier Haynes, David Matthew Mosbacher, Jonathan Sebastian Janssen, Venkatraman Ananthakrishnan Iyer
  • Power loss reduction in turbulent wind for a wind turbine using localized sensing and control
    Patent number: 7909575
    Abstract: A wind turbine blade assembly includes at least one local load sensor disposed on and/or within a surface of the wind turbine blade and at least one active flow modification device disposed on and/or within a surface of the wind turbine blade and configured to alter the aerodynamics of the wind turbine blade in response to real time local load sensor measurements such that a difference between a current angle of attack and an optimum angle of attack on the wind turbine blade is substantially minimized.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: March 22, 2011
    Assignee: General Electric Company
    Inventors: Corneliu Barbu, Anurag Gupta
  • Method for fabricating a component having an environmental barrier coating
    Patent number: 7910172
    Abstract: A method for fabricating a component having an environmental barrier coating. The method includes providing a component including silicon having a first coefficient of thermal expansion. A bondcoat is bonded to at least a portion of an outer surface of the component. An intermediate layer having a general composition of RE2Si2O7 is bonded to the bondcoat. The intermediate layer has a second coefficient of thermal expansion matched to the first coefficient of thermal expansion. A protective layer having a general composition of RE2SiO5 is bonded to the intermediate layer. A surface layer is bonded to the protective layer. The surface layer includes RE and has a ratio of RE to oxygen of at least 2:3.
    Type: Grant
    Filed: June 13, 2009
    Date of Patent: March 22, 2011
    Assignee: General Electric Company
    Inventors: Peter Joel Meschter, Curtis Alan Johnson, Krishan Lal Luthra, Reza Sarrafi-Nour
  • Turbine blade and method of fabricating the same
    Patent number: 7891947
    Abstract: A turbine blade includes at least two blade segments. Each blade segment includes first and second shells joined together, a base region, at least one joint region including a mating face. Each of the first and second shells includes an outer skin, a base spar cap attached to an inner surface of the outer skin in the base region, a joint spar cap attached to the inner surface of the outer skin in the joint region and adjacent to at least a portion of the base spar cap. The joint spar cap includes holes in the mating face of the joint region. The turbine blade further includes fasteners within the holes for securing the at least two blade segments together.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: February 22, 2011
    Assignee: General Electric Company
    Inventors: Xianglei Chen, Peggy Lynn Baehmann, Wendy Wen-Ling Lin, Youdong Zhou, Shu Ching Quek, Grama Narasimhaprasad Praveen, Bowden Kirkpatrick, Robert Michael Zirin, Gang Qian
  • Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom
    Patent number: 7875347
    Abstract: Disclosed herein is an article comprising an electrical component; and an electrically insulating layer disposed upon the electrical component, wherein the electrically insulating layer comprises a thermosetting polymer and a nanosized filler; wherein the nanosized filler comprises metal oxide and diamond nanoparticles that have an average largest dimension of less than or equal to about 200 nanometers.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: January 25, 2011
    Assignee: General Electric Company
    Inventors: Patricia Chapman Irwin, Qi Tan, Abdelkrim Younsi, Yang Cao
  • Barrier sealing system for centrifugal compressors
    Patent number: 7854584
    Abstract: A rotary machine includes a machine rotor, a bearing coupled to the machine rotor, a machine stator, and a sealing device disposed between the machine rotor and the machine stator. The sealing device includes a dry gas seal and first and second seals disposed between the dry gas seal and the bearing. One or both of the first and second seals includes a brush seal or more specifically a brush seal including a plurality of non-metallic fibers.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: December 21, 2010
    Assignee: General Electric Company
    Inventors: Roderick Mark Lusted, Christopher Edward Wolfe, Eric John Ruggiero, Gabriele Mariotti
  • Cross current control for power converter system
    Patent number: 7852643
    Abstract: A system and method for controlling cross current in an interleaved power converter system having a plurality of converter threads coupled in parallel includes collecting a feedback current from each thread and obtaining a normal current and a differential mode current for each thread, based on its respective feedback current. The normal current of each thread is regulated to a commanded thread normal current value via a respective normal current control loop based on d-q rotating frame parameters. A differential mode cross current of each thread is regulated to zero via a respective differential mode cross current control loop based on d-q rotating frame parameters; while a differential mode cross current DC offset of each thread is regulated to zero via a respective differential mode cross current control loop based on stationary frame parameters.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: December 14, 2010
    Assignee: General Electric Company
    Inventors: Richard S. Zhang, Changyong Wang, Zhuohui Tan, Haiqing Weng
  • Winding diagnostic system and method
    Patent number: 7852105
    Abstract: A winding diagnostic system is provided. The system includes a core having a winding to generate a magnetic flux. A retention device for holding the winding in place is provided. The system further includes a sensor disposed in a sensing relation with the retention device to generate signals related to at least one aspect of the winding.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 14, 2010
    Assignee: General Electric Company
    Inventors: Charles Erklin Seeley, Karim Younsi, Sameh R. Salem, John Erik Hershey
  • High capacitance film capacitor system and method for manufacturing the same
    Patent number: 7852611
    Abstract: A film capacitor including a pair of electrodes having multiple pores is provided. The film capacitor includes a polymer film deposited upon each of the pair of electrodes to form a dielectric layer.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: December 14, 2010
    Assignee: General Electric Company
    Inventor: Daniel Qi Tan
  • Remote monitoring system and method
    Patent number: 7852082
    Abstract: A remote control system for a modulatable device is provided. The remote control system comprises a receiver system coupled to the modulatable device and configured to obtain an output characteristic of the modulatable device, the receiver system being located remotely with respect to the modulatable device. The system further comprises a command signal setting system coupled to the receiver system and configured to use the output characteristic to generate a drive command signal and a bias system coupled to the command signal setting system and configured to receive the drive command signal and set a bias point of the modulatable device based on the drive command signal. The bias system is located locally with respect to the modulatable device. The command signal setting system and the bias system are coupled via a first optical conduit.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: December 14, 2010
    Assignee: General Electric Company
    Inventors: Todd Ryan Tolliver, Joseph Alfred Iannotti, Glen Peter Koste, Selaka Bandara Bulumulla, Richard Louis Frey
  • System and method for controlling torque ripples in synchronous machines
    Patent number: 7847526
    Abstract: A system for controlling torque ripple in a permanent magnet synchronous machine includes a power converter configured to be coupled to the permanent magnet synchronous machine and to receive converter control signals and a system controller coupled to the power converter. The system controller includes a fundamental current controller configured for providing fundamental voltage commands, a harmonic current controller configured for using harmonic current commands, current feedback signals from the permanent magnet machine, and fundamental current commands in combination with positive and negative sequence regulators to obtain harmonic voltage commands, and summation elements configured for adding the fundamental voltage commands and the harmonic voltage commands to obtain the converter control signals.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: December 7, 2010
    Assignee: General Electric Company
    Inventors: Zhuohui Tan, Xiaoming Yuan, Changyong Wang, Ronghai Qu, Robert William Delmerico, Patrick Lee Jansen
  • System and method for monitoring impact machinery
    Patent number: 7837749
    Abstract: A system (10) for monitoring an operating condition of an electrostatic precipitator rapper system (12) includes a rapper (24) configured to mechanically actuate to disengage pollutants from a plate of the electrostatic precipitator (12). The system also includes a sensor (38, 40) configured to obtain and transmit signals representative of vibration, motion, or current behavior of the rapper; and a processor (52) configured to receive the signals from the sensor and to detect whether the rapper is mechanically actuated.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: November 23, 2010
    Assignee: General Electric Company
    Inventors: Charles Erklin Seeley, Eladio Clemente Delgado, John Erik Hershey, Harold Woodruff Tomlinson, Jr., David Fulton Johnston, Terry Lewis Farmer
  • Systems and methods for steam turbine remote monitoring, diagnosis and benchmarking
    Patent number: 7840332
    Abstract: Systems and methods for steam turbine remote monitoring, calculating corrected efficiency, monitoring performance degradation, diagnosing and benchmarking are disclosed with an example turbine system including a turbine, a data acquisition device coupled to the turbine, the data acquisition device for collecting turbine data that includes performance parameters of the turbine and a central monitoring system coupled to the data acquisition device, the central monitoring system for receiving the collected turbine data and processing the turbine data to determine turbine performance.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: November 23, 2010
    Assignee: General Electric Company
    Inventors: Arul Saravanapriyan, Vivek Venugopal Badami, Vinay Bhaskar Jammu, Jitendra Kumar, Abhay Sudhakar Rao Kant, Mahalakshmi Shunmugam Balasubramaniam
  • Temperature measurement device that estimates and compensates for incident radiation
    Patent number: 7824100
    Abstract: A temperature measurement device includes a first thermocouple mounted on a tubular body that is shielded from the effects of radiation by a radiation shield, and a second, unshielded thermocouple. A difference in the measured temperatures from the first and second thermocouples is compared with calculated temperatures using an iterative process to determine a corrected temperature of the gas stream that estimates and compensates for incident radiation.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: November 2, 2010
    Assignee: General Electric Company
    Inventors: Mohamed Sakami, Fulton Jose Lopez, Hongmei Zhang, Shobhana Mani, Robert Michael Zirin, James Michael Storey, Aaton John Avagliano, David Howard Syck
  • Method for doping impurities
    Patent number: 7807556
    Abstract: A method for doping impurities into a device layer includes providing a carbonized dopant layer including one or more dopant impurities over a device layer and heat treating the carbonized dopant layer to thermally diffuse the dopant impurities into the device layer.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: October 5, 2010
    Assignee: General Electric Company
    Inventors: Greg Thomas Dunne, Jesse Berkley Tucker, Stanislav Ivanovich Soloviev, Zachary Matthew Stum
  • System and method for implementing a multi objective evolutionary algorithm on a programmable logic hardware device
    Patent number: 7809657
    Abstract: A system for implementing a multi objective evolutionary algorithm (MOEA) on a programmable hardware device is provided. The system comprises a random number generator, a population generator, a crossover/mutation module, a fitness evaluator, a dominance filter and an archive. The random number generator is configured to generate a sequence of pseudo random numbers. The population generator is configured to generate a population of solutions based on the output from the random number generator. The crossover/mutation module is configured to adapt the population of solutions to generate an adapted population of solutions. The fitness evaluator is configured to evaluate each member comprising the population of solutions and the adapted population of solutions. The fitness evaluator is implemented on the programmable hardware device.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: October 5, 2010
    Assignee: General Electric Company
    Inventors: Rajesh Venkat Subbu, Stefano Romoli Bonissone
  • System and method for control of a grid connected power generating system
    Patent number: 7804184
    Abstract: A system for controlling a grid connected power generating system is provided. The system includes a wind turbine, a converter, a first controller and a second controller. The wind turbine supplies electrical power to a power grid and the converter couples the wind turbine to the power grid. The first controller calculates voltage commands to emulate a phasor back electromotive force behind an inductance. The controller further generates converter switching commands from the voltage commands. The voltage commands include a voltage magnitude reference and an internal frequency reference calculated from a power imbalance between an active power reference and the electrical power. The second controller is used to limit a converter current.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: September 28, 2010
    Assignee: General Electric Company
    Inventors: Xiaoming Yuan, Allen Michael Ritter, Haiqing Weng, Robert William Delmerico