Patents by Inventor Ertan Yilmaz
Ertan Yilmaz 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: 9080513Abstract: A method for operating a combustor is provided. The method includes supplying a predetermined amount of a first gaseous fuel to the combustor, wherein the first gaseous fuel has a first Modified Wobbe Index (MWI) and a first fuel reactivity, and supplying a predetermined amount of a second gaseous fuel to the combustor, wherein the second gaseous fuel has a second MWI that is lower than the first MWI and a second fuel reactivity that is higher than the first fuel reactivity. The method also includes mixing the first and second gaseous fuels together to form a blended gaseous fuel, and injecting the blended gaseous fuel into the combustor.Type: GrantFiled: October 31, 2007Date of Patent: July 14, 2015Assignee: General Electric CompanyInventors: Willy Steve Ziminsky, Gilbert Otto Kraemer, Ertan Yilmaz
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Patent number: 9033259Abstract: A method and system of feeding fuel into a gasifier are provided. The feed injector system includes a first injector port assembly including a plurality of annular channels substantially concentric about a longitudinal axis that define corresponding fluid flow paths that direct a flow of fluid substantially axially therethrough from a respective source to a reaction zone and a second injector port assembly including a flow port surrounded by a plurality of auxiliary ports spaced about a circumference of the flow port, the plurality of auxiliary ports communicatively coupled to a toroidal passage configured to receive a flow of fluid and channel the flow of fluid to the auxiliary ports such that the flow of fluid is discharged from the auxiliary ports having an axial flow component, a radially inward flow component, and a circumferential flow component.Type: GrantFiled: December 23, 2010Date of Patent: May 19, 2015Assignee: General Electric CompanyInventors: Krishnakumar Venkatesan, Ertan Yilmaz, Ali Ergut
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Patent number: 8616002Abstract: Methods and systems are provided for premixing combustion fuel and air within gas turbines. In one embodiment, a combustor includes an upstream mixing panel configured to direct compressed air and combustion fuel through a premixing zone to form a fuel-air mixture. The combustor also includes a downstream mixing panel configured to mix additional combustion fuel with the fuel-air mixture to form a combustion mixture.Type: GrantFiled: July 23, 2009Date of Patent: December 31, 2013Assignee: General Electric CompanyInventors: Gilbert Otto Kraemer, Balachandar Varatharajan, Andrei Tristan Evulet, Ertan Yilmaz, Benjamin Paul Lacy
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Patent number: 8505302Abstract: The present application provides a premixer for a combustor. The premixer may include a fuel plenum with a number of fuel tubes and a burner tube with a number of air tubes. The fuel tubes extend about the air tubes.Type: GrantFiled: November 5, 2012Date of Patent: August 13, 2013Assignee: General Electric CompanyInventors: Jong Ho Uhm, Balachandar Naidu, Willy Steve Ziminsky, Gilbert Otto Kraemer, Ertan Yilmaz, Benjamin Lacy, Christian Stevenson, David Felling
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Publication number: 20130160856Abstract: A feed injector system includes an injector nozzle. The injector nozzle includes a first injector port assembly having a first injector port located at a center of a longitudinal axis of the injector nozzle and defining a flow path for directing a first feed flow from a respective source into a reaction zone. The feed injector system also includes a second injector port assembly having one or more second injector passages arranged about a first circumference of the first injector port for receiving and injecting a second feed flow. Further, the feed injector system includes a third injector port assembly having a plurality of third ports arranged about a second circumference of the first injector port. The third ports are communicatively coupled to a plurality of toroidal flow paths and configured to receive and inject a third feed flow.Type: ApplicationFiled: December 22, 2011Publication date: June 27, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Krishnakumar Venkatesan, Ali Ergut, Ertan Yilmaz
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Publication number: 20130067926Abstract: The present application provides a premixer for a combustor. The premixer may include a fuel plenum with a number of fuel tubes and a burner tube with a number of air tubes. The fuel tubes extend about the air tubes.Type: ApplicationFiled: November 5, 2012Publication date: March 21, 2013Applicant: General Electric CompanyInventors: Jong Ho Uhm, Balachandar Varatharajan, Willy Steve Ziminsky, Gilbert Otto Kraemer, Ertan Yilmaz, Benjamin Lacy, Christian Stevenson, David Felling
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Patent number: 8327642Abstract: The present application provides a premixer for a combustor. The premixer may include a fuel plenum with a number of fuel tubes and a burner tube with a number of air tubes. The fuel tubes extend about the air tubes.Type: GrantFiled: October 21, 2008Date of Patent: December 11, 2012Assignee: General Electric CompanyInventors: Jong Ho Uhm, Balachandar Varatharajan, Willy Steve Ziminsky, Gilbert Otto Kraemer, Ertan Yilmaz, Benjamin Lacy, Christian Stevenson, David Felling
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Patent number: 8297059Abstract: A turbomachine includes a compressor, a combustor operatively connected to the compressor, and an injection nozzle operatively connected to the combustor. The injection nozzle includes a main body having a first end section that extends to a second end section to define an inner flow path. The injection nozzle further includes an outlet arranged at the second end section of the main body, at least one passage that extends within the main body and is fluidly connected to the outlet, and at least one conduit extending between the inner flow path and the at least one passage.Type: GrantFiled: January 22, 2009Date of Patent: October 30, 2012Assignee: General Electric CompanyInventors: Benjamin Paul Lacy, Gilbert Otto Kraemer, Ertan Yilmaz, Patrick Benedict Melton
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Patent number: 8280202Abstract: 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: GrantFiled: May 14, 2009Date of Patent: October 2, 2012Assignee: 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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Patent number: 8260523Abstract: A method for monitoring and controlling a gas turbine, comprises predicting frequencies of combustion dynamics in a combustor using operating conditions of a gas turbine, receiving a signal from a sensor that is indicative of combustion dynamics in the combustor, and detecting a flashback if a frequency of the received signal does not correspond to the predicted frequencies.Type: GrantFiled: May 4, 2009Date of Patent: September 4, 2012Assignee: General Electric CompanyInventors: Kapil Kumar Singh, Balachandar Varatharajan, Gilbert Otto Kraemer, Ertan Yilmaz, Benjamin Paul Lacy
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Patent number: 8240150Abstract: A nozzle for a gas turbine combustor includes a first radially outer tube defining a first passage having an inlet and an outlet, the inlet adapted to supply air to a reaction zone of the combustor. A center body is located within the first radially outer tube, the center body including a second radially intermediate tube for supplying fuel to the reaction zone and a third radially inner tube for supplying air to the reaction zone. The second intermediate tube has a first outlet end closed by a first end wall that is formed with a plurality of substantially parallel, axially-oriented air outlet passages for the additional air in the third radially inner tube, each air outlet passage having a respective plurality of associated fuel outlet passages in the first end wall for the fuel in the second radially intermediate tube.Type: GrantFiled: August 8, 2008Date of Patent: August 14, 2012Assignee: General Electric CompanyInventors: Balachandar Varatharajan, Willy S. Ziminsky, John Lipinski, Gilbert O. Kraemer, Ertan Yilmaz, Benjamin Lacy
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Publication number: 20120160140Abstract: A method and system of feeding fuel into a gasifier are provided. The feed injector system includes a first injector port assembly including a plurality of annular channels substantially concentric about a longitudinal axis that define corresponding fluid flow paths that direct a flow of fluid substantially axially therethrough from a respective source to a reaction zone and a second injector port assembly including a flow port surrounded by a plurality of auxiliary ports spaced about a circumference of the flow port, the plurality of auxiliary ports communicatively coupled to a toroidal passage configured to receive a flow of fluid and channel the flow of fluid to the auxiliary ports such that the flow of fluid is discharged from the auxiliary ports having an axial flow component, a radially inward flow component, and a circumferential flow component.Type: ApplicationFiled: December 23, 2010Publication date: June 28, 2012Inventors: Krishnakumar Venkatesan, Ertan Yilmaz, Ali Ergut
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Patent number: 8186166Abstract: A hybrid fuel combustion nozzle for use with natural gas, syngas, or other types of fuels. The hybrid fuel combustion nozzle may include a natural gas system with a number of swozzle vanes and a syngas system with a number of co-annular fuel tubes.Type: GrantFiled: July 29, 2008Date of Patent: May 29, 2012Assignee: General Electric CompanyInventors: Balachandar Varatharajan, Willy Steve Ziminsky, Ertan Yilmaz, Benjamin Lacy, Baifang Zuo, William David York
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Patent number: 8147121Abstract: A pre-mixing apparatus for a turbine engine includes a main body having an inlet portion, an outlet portion and an exterior wall that collectively establish at least one fluid delivery plenum, and a plurality of fluid delivery tubes extending through at least a portion of the at least one fluid delivery plenum. Each of the plurality of fluid delivery tubes includes at least one fluid delivery opening fluidly connected to the at least one fluid delivery plenum. With this arrangement, a first fluid is selectively delivered to the at least one fluid delivery plenum, passed through the at least one fluid delivery opening and mixed with a second fluid flowing through the plurality of fluid delivery tubes prior to being combusted in a combustion chamber of a turbine engine.Type: GrantFiled: July 9, 2008Date of Patent: April 3, 2012Assignee: General Electric CompanyInventors: Benjamin Paul Lacy, Balachandar Varatharajan, Willy Steve Ziminsky, Gilbert Otto Kraemer, Ertan Yilmaz, Patrick Benedict Melton, Baifang Zuo, Christian Xavier Stevenson, David Kenton Felling, Jong Ho Uhm
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Patent number: 8117845Abstract: A method for assembling a premixing injector is provided. The method includes providing a centerbody including a center axis and a radially outer surface, and providing an inlet flow conditioner. The inlet flow conditioner includes a radially outer wall, a radially inner wall, and an end wall coupled substantially perpendicularly between the outer wall and the inner wall. Each of the outer wall and the end wall include a plurality of openings defined therein. The outer wall, the inner wall, and the end wall define a first passage therebetween. The method also includes coupling the inlet flow conditioner to the centerbody such that the inlet flow conditioner substantially circumscribes the centerbody, such that the inner wall is substantially parallel to the centerbody outer surface, and such that a second passage is defined between the centerbody outer surface and the inner wall.Type: GrantFiled: April 27, 2007Date of Patent: February 21, 2012Assignee: General Electric CompanyInventors: Benjamin Paul Lacy, Gilbert Otto Kraemer, Balachandar Varatharajan, Ertan Yilmaz, Baifang Zuo
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Patent number: 8113002Abstract: The present application provides a burner for use with a combustor of a gas turbine engine. The burner may include a center hub, a shroud, a pair of fuel vanes extending from the center hub to the shroud, and a vanelet extending from the center hub and/or the shroud and positioned between the pair of fuel vanes.Type: GrantFiled: October 17, 2008Date of Patent: February 14, 2012Assignee: General Electric CompanyInventors: Benjamin Lacy, Balachandar Varatharajan, Gilbert Otto Kraemer, Ertan Yilmaz, Baifang Zuo
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Patent number: 8042339Abstract: The present invention is directed to a lean direct injection (LDI) combustion system for a gas turbine using a shell and tube heat exchanger concept to construct a shell and tube lean direct injector (“LDI”) for the combustion system. One side of the LDI injector, either the shell side or the tube side, carries an oxidizer, such as air, to the combustor, while the other side of the LDI injector carries fuel to the combustor. Straight or angled holes drilled in an end plate of the combustor allow the fuel to enter the combustor and mix with air being injected into the combustor.Type: GrantFiled: March 12, 2008Date of Patent: October 25, 2011Assignee: General Electric CompanyInventors: Benjamin Lacy, Balachandar Varatharajan, Willy Steve Ziminsky, Gilbert O. Kraemer, Gregory Allen Boardman, Ertan Yilmaz, Patrick Melton
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Publication number: 20110197587Abstract: A fuel injection nozzle includes at least one tube disposed in the nozzle having a venturi shaped profile defining a gas flow path including an inlet operative to receive a first gas, at least one port operative to emit a second gas into the gas flow path, and an outlet operative to emit a mixture of the first gas and the second gas into a combustor.Type: ApplicationFiled: February 18, 2010Publication date: August 18, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Baifang Zuo, Thomas Edward Johnson, Benjamin Paul Lacy, Ertan Yilmaz, Willy Steve Ziminsky
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Patent number: 7942038Abstract: A method may detect a flashback condition in a fuel nozzle of a combustor. The method may include obtaining a current acoustic pressure signal from the combustor, analyzing the current acoustic pressure signal to determine current operating frequency information for the combustor, and indicating that the flashback condition exists based at least in part on the current operating frequency information.Type: GrantFiled: January 21, 2009Date of Patent: May 17, 2011Assignee: General Electric CompanyInventors: Willy Steve Ziminsky, Anthony Wayne Krull, Timothy Andrew Healy, Ertan Yilmaz
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Patent number: 7886545Abstract: A method for assembling a gas turbine combustor system is provided. The method includes providing a combustion liner including a center axis, an outer wall, a first end, and a second end. The outer wall is orientated substantially parallel to the center axis. The method also includes coupling a transition piece to the liner second end. The transition piece includes an outer wall. The method further includes coupling a plurality of lean-direct injectors along at least one of the liner outer wall and the transition piece outer wall such that the injectors are spaced axially apart along the wall.Type: GrantFiled: April 27, 2007Date of Patent: February 15, 2011Assignee: General Electric CompanyInventors: Benjamin Paul Lacy, Gilbert Otto Kraemer, Balachandar Varatharajan, Ertan Yilmaz, John Joseph Lipinski, Willy Steve Ziminsky