Patents by Inventor George Martin Gilchrist
George Martin Gilchrist 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: 11603773Abstract: A heat management system for turbomachinery is provided. The heat management system includes a thermal delivery system configured to providing heating, cooling, or a combination thereof, to a turbomachinery. The thermal delivery system includes a first heat transfer conduit and a second heat transfer conduit. The second heat transfer conduit is disposed on the turbomachinery adjacent to the first heat transfer conduit. The heat management system additionally includes a controller operatively coupled to the thermal delivery system and configured to control the heating, the cooling, or the combination thereof, of the turbomachinery via the thermal delivery system.Type: GrantFiled: April 28, 2020Date of Patent: March 14, 2023Assignee: General Electric CompanyInventors: Kenneth D. Black, David M. Johnson, Brett Darrick Klinger, George Martin Gilchrist
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Patent number: 11307100Abstract: Thermocouple assemblies for high temperature applications are provided. The thermocouple assembly includes a protection tube; and a thermocouple probe within the protection tube. The thermocouple probe includes a cable connector at a first end and extending along a longitudinal axis to a free second end. A protective housing assembly, which extends around the thermocouple probe, extends from the cable connector to a tapered end of the protective housing assembly. The protective housing assembly includes an installation unit having a fixed transition joint. An oversheath extends between the installation unit and the tapered end. The free second end of the thermocouple probe extends along the longitudinal axis beyond the tapered end of the oversheath.Type: GrantFiled: November 8, 2019Date of Patent: April 19, 2022Assignee: General Electric CompanyInventors: Edward W. Cummings, Mica L. Longwell, George Martin Gilchrist, Gary Nalen
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Publication number: 20210332718Abstract: A heat management system for turbomachinery is provided. The heat management system includes a thermal delivery system configured to providing heating, cooling, or a combination thereof, to a turbomachinery. The thermal delivery system includes a first heat transfer conduit and a second heat transfer conduit. The second heat transfer conduit is disposed on the turbomachinery adjacent to the first heat transfer conduit. The heat management system additionally includes a controller operatively coupled to the thermal delivery system and configured to control the heating, the cooling, or the combination thereof, of the turbomachinery via the thermal delivery system.Type: ApplicationFiled: April 28, 2020Publication date: October 28, 2021Inventors: Kenneth D. Black, David M. Johnson, Brett Darrick Klinger, George Martin Gilchrist
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Publication number: 20210140834Abstract: Thermocouple assemblies for high temperature applications are provided. The thermocouple assembly includes a protection tube; and a thermocouple probe within the protection tube. The thermocouple probe includes a cable connector at a first end and extending along a longitudinal axis to a free second end. A protective housing assembly, which extends around the thermocouple probe, extends from the cable connector to a tapered end of the protective housing assembly. The protective housing assembly includes an installation unit having a fixed transition joint. An oversheath extends between the installation unit and the tapered end. The free second end of the thermocouple probe extends along the longitudinal axis beyond the tapered end of the oversheath.Type: ApplicationFiled: November 8, 2019Publication date: May 13, 2021Inventors: Edward W. Cummings, Mica L. Longwell, George Martin Gilchrist, Gary Nalen
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Patent number: 9879600Abstract: Systems for cooling turbine components via fluid filled conduits are disclosed. Various embodiments include a system having: a set of fan systems for cooling a set of conduits, the set of conduits fluidly connected with a turbine component; a temperature sensor operably connected to the turbine component, the temperature sensor for obtaining a temperature indicator of the turbine component; and a control system operably connected to the set of fan systems and the temperature sensor, the control system for modifying a speed of at least one fan system in the set of fan systems across a range of speeds in response to determining the temperature indicator deviates from a predetermined range of temperature values.Type: GrantFiled: April 30, 2012Date of Patent: January 30, 2018Assignee: General Electric CompanyInventors: Steven David Stovall, George Martin Gilchrist, III, John Victor Hains
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Patent number: 9470105Abstract: The present application and the resultant patent provide a gas turbine engine system. The gas turbine engine system may include a gas turbine engine, a water wash system, and a system controller. The gas turbine engine may include a compressor, a combustor in communication with the compressor, and a turbine in communication with the combustor. The water wash system may be in communication with the gas turbine engine and configured to remove contaminants therefrom. The water wash system may include a number of valves configured to control flows through the water wash system, and a number of sensors configured to measure operating parameters of the water wash system. The system controller may be in communication with the valves and the sensors and operable to automatically control the valves upon receiving operating parameter signals from the sensors in order to perform a wash of the gas turbine engine.Type: GrantFiled: November 21, 2013Date of Patent: October 18, 2016Assignee: General Electric CompanyInventors: Rahul J. Chillar, Dean Matthew Erickson, George Martin Gilchrist, III, Michael Savale, Mica Lee Longwell
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Patent number: 9297306Abstract: An exhaust gas recirculation system that includes an exhaust gas recirculation regulator operatively connectable to a turbomachine system, and regulating a predetermined amount of exhaust gas to be recirculated. The exhaust gas recirculation system further includes a measuring unit that measures fuel composition of incoming fuel, and a control unit connected to the EGR regulator and the measuring unit, and determining a Wobbe Index and/or reactivity of the incoming fuel based on the measured fuel composition and determining the predetermined amount of exhaust gas to be recirculated based on the determined Wobbe Index and/or reactivity.Type: GrantFiled: September 11, 2008Date of Patent: March 29, 2016Assignee: General Electric CompanyInventors: George Martin Gilchrist, III, Stanley Frank Simpson, Hasan Karim
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Publication number: 20150135727Abstract: The present application and the resultant patent provide a gas turbine engine system. The gas turbine engine system may include a gas turbine engine, a water wash system, and a system controller. The gas turbine engine may include a compressor, a combustor in communication with the compressor, and a turbine in communication with the combustor. The water wash system may be in communication with the gas turbine engine and configured to remove contaminants therefrom. The water wash system may include a number of valves configured to control flows through the water wash system, and a number of sensors configured to measure operating parameters of the water wash system. The system controller may be in communication with the valves and the sensors and operable to automatically control the valves upon receiving operating parameter signals from the sensors in order to perform a wash of the gas turbine engine.Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: General Electric CompanyInventors: Rahul J. Chillar, Dean Matthew Erickson, George Martin Gilchrist, III, Michael Savale, Mica Lee Longwell
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Patent number: 8631639Abstract: A turbine power generation system with enhanced cooling provided by a stream of carbon dioxide from a carbon dioxide source and a method of using a stream of carbon dioxide to cool hot gas path components. The turbine power generating system includes a compressor, a combustor, a turbine, a generator, and at least one shaft linking the compressor and turbine and generator together such that mechanical energy produced from the turbine is used to drive the compressor and the generator. Carbon dioxide that is sequestered from the exhaust of the turbine may be stored and injected back into the turbine to cool hot gas path components of the turbine.Type: GrantFiled: March 30, 2009Date of Patent: January 21, 2014Assignee: General Electric CompanyInventors: Andres Garcia-Crespo, Lewis Berkley Davis, Jr., George Martin Gilchrist, III, Amit Toprani
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Publication number: 20130284420Abstract: Systems for cooling turbine components via fluid filled conduits are disclosed. Various embodiments include a system having: a set of fan systems for cooling a set of conduits, the set of conduits fluidly connected with a turbine component; a temperature sensor operably connected to the turbine component, the temperature sensor for obtaining a temperature indicator of the turbine component; and a control system operably connected to the set of fan systems and the temperature sensor, the control system for modifying a speed of at least one fan system in the set of fan systems across a range of speeds in response to determining the temperature indicator deviates from a predetermined range of temperature values.Type: ApplicationFiled: April 30, 2012Publication date: October 31, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Steven David Stovall, George Martin Gilchrist, III, John Victor Hains
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Publication number: 20120297792Abstract: A turbomachine includes a nozzle. The nozzle includes an end portion and an airfoil portion. A diaphragm is mounted to the end portion of the nozzle in a wheel space portion of the turbomachine. The diaphragm includes an external surface and an internal surface. The diaphragm also includes at least one thermocouple well receiving portion formed in one of the external surface and the internal surface. A thermocouple well is mounted in the at least one thermocouple well receiving portion. The thermocouple well includes a first end exposed to the wheel space portion of the turbomachine and a second end exposed at the internal surface of the diaphragm.Type: ApplicationFiled: May 27, 2011Publication date: November 29, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Jackson Dillard, Gregory Thomas Foster, George Martin Gilchrist, III
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Patent number: 8137058Abstract: A machine includes a static member and a moving member. The moving member includes a central hub and a moving component. The moving component includes a first end portion fixedly connected to the central hub, a second end portion and an intermediate portion. The second end portion of the moving member is spaced from the static member so as to form a gap. A transmitting element is mounted to one of the static member and the moving member. The transmitting element emits an acoustic wave having a predetermined frequency across the gap. A receiving element is mounted to the other of the static member and the moving member. The receiving element receives the acoustic wave from the transmitting element. The machine further includes a controller that determines a clearance distance extending between the moving member and the static member based on the acoustic wave passing across the gap.Type: GrantFiled: March 10, 2008Date of Patent: March 20, 2012Assignee: General Electric CompanyInventors: Stanley Frank Simpson, George Martin Gilchrist, William Michael Genovese
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Patent number: 8093739Abstract: A system for modulating a frequency output of a generator coupled to an electric distribution network is described herein. The system includes: a doubly-fed induction generator coupled to a power source selected from at least one of hydropower and fuel combustion, the generator providing an electrical power output having a first frequency based on a rotational speed of the generator; a controller for selecting the rotational speed of the generator; and a converter coupled to the generator for changing the frequency of the output to a selected value, in response to selecting the rotational speed. Methods for modulating a frequency output of a generator coupled to an electric distribution network are also described.Type: GrantFiled: January 9, 2009Date of Patent: January 10, 2012Assignee: General Electric CompanyInventors: George Martin Gilchrist, III, Erik Matthew Ogburn
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Publication number: 20100238973Abstract: A heat detector comprising a housing member, a first hermetic connector portion connected to the housing member, a sensor member disposed in the housing member operative to detect a temperature, and a first contact portion disposed in the first hermetic connector portion, wherein the contact portion is connected to the sensor member.Type: ApplicationFiled: March 17, 2009Publication date: September 23, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: George Martin Gilchrist, III, Albert Bernard Costa, Benjamin Lynn Holder
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Publication number: 20100176606Abstract: A system for modulating a frequency output of a generator coupled to an electric distribution network is described herein. The system includes: a doubly-fed induction generator coupled to a power source selected from at least one of hydropower and fuel combustion, the generator providing an electrical power output having a first frequency based on a rotational speed of the generator; a controller for selecting the rotational speed of the generator; and a converter coupled to the generator for changing the frequency of the output to a selected value, in response to selecting the rotational speed. Methods for modulating a frequency output of a generator coupled to an electric distribution network are also described.Type: ApplicationFiled: January 9, 2009Publication date: July 15, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: George Martin Gilchrist, III, Erik Matthew Ogburn
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Publication number: 20100071878Abstract: A method for operating a system comprising a number of fluid streams and a number of components include a device is provided. The method comprises separating a cooling fluid from an exhaust stream discharged from a device and transferring heat to the cooling fluid from at least one of the number of fluid streams, at least one of the number of components, or both. A system comprising a number of fluid streams, a number of components including a device comprising an exhaust for discharging an exhaust stream, a separator for separating a cooling fluid from the exhaust stream, and a heat exchanger is provided. The heat exchanger transfers heat to the cooling fluid from at least one of the number of fluid streams, at least one of the number of components, or both.Type: ApplicationFiled: September 19, 2008Publication date: March 25, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: George Martin Gilchrist, III, Amit Surendra Toprani, Andres Garcia-Crespo
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Publication number: 20100058758Abstract: An exhaust gas recirculation system that includes an exhaust gas recirculation regulator operatively connectable to a turbomachine system, and regulating a predetermined amount of exhaust gas to be recirculated. The exhaust gas recirculation system further includes a measuring unit that measures fuel composition of incoming fuel, and a control unit connected to the EGR regulator and the measuring unit, and determining a Wobbe Index and/or reactivity of the incoming fuel based on the measured fuel composition and determining the predetermined amount of exhaust gas to be recirculated based on the determined Wobbe Index and/or reactivity.Type: ApplicationFiled: September 11, 2008Publication date: March 11, 2010Applicant: General Electric CompanyInventors: George Martin Gilchrist, III, Stanley Frank Simpson, Hasan Karim
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Patent number: 7619728Abstract: Methods and systems for inspecting rotatable machine components are provided. The system includes a fiber optic port configured to extend through a first aperture of a machine casing wherein the port includes an interior end and an exterior end. The system further includes an imager configured to optically couple to the exterior end. The imager includes a light intensifier capable of generate images of inspection components though the port using ambient light. The imager further includes an image capture gate configured to control an acquisition time of the generated images.Type: GrantFiled: July 26, 2007Date of Patent: November 17, 2009Assignee: General Electric CompanyInventors: Erik Matthew Ogburn, George Martin Gilchrist, III
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Publication number: 20090226302Abstract: A machine includes a static member and a moving member. The moving member includes a central hub and a moving component. The moving component includes a first end portion fixedly connected to the central hub, a second end portion and an intermediate portion. The second end portion of the moving member is spaced from the static member so as to form a gap. A transmitting element is mounted to one of the static member and the moving member. The transmitting element emits an acoustic wave having a predetermined frequency across the gap. A receiving element is mounted to the other of the static member and the moving member. The receiving element receives the acoustic wave from the transmitting element. The machine further includes a controller that determines a clearance distance extending between the moving member and the static member based on the acoustic wave passing across the gap.Type: ApplicationFiled: March 10, 2008Publication date: September 10, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Stanley Frank Simpson, George Martin Gilchrist, William Michael Genovese
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Publication number: 20090027665Abstract: Methods and systems for inspecting rotatable machine components are provided. The system includes a fiber optic port configured to extend through a first aperture of a machine casing wherein the port includes an interior end and an exterior end. The system further includes an imager configured to optically couple to the exterior end. The imager includes a light intensifier capable of generate images of inspection components though the port using ambient light. The imager further includes an image capture gate configured to control an acquisition time of the generated images.Type: ApplicationFiled: July 26, 2007Publication date: January 29, 2009Inventors: Erik Matthew Ogburn, George Martin Gilchrist, III