Patents by Inventor Julio Enrique Mestroni
Julio Enrique Mestroni 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: 10626755Abstract: A system includes a controller communicatively coupled to a compressor. The controller is configured to sense an exhaust temperature of a gas turbine system fluidly coupled to the compressor and derive a setpoint based on the sensed exhaust temperature. The controller is also configured to actuate an inlet bleed heat valve based on the derived setpoint and an ambient temperature. The inlet bleed heat valve directs a compressor fluid from the compressor into a fluid intake system fluidly coupled to the compressor upstream of the compressor and configured to intake a fluid.Type: GrantFiled: March 4, 2015Date of Patent: April 21, 2020Assignee: General Electric CompanyInventors: Joseph Philip Klosinski, Alston Ilford Scipio, Sanji Ekanayake, Julio Enrique Mestroni, George Vargese Mathai, Michael Anthony Cocca
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Publication number: 20200039401Abstract: Certain embodiments may include systems and methods for a protective automobile seat cover system. According to one embodiment of the disclosure, a protective cover assembly for an automobile seat can be provided. The protective cover assembly may include a cover pad for an automobile seat contoured to fit the automobile seat. In an example embodiment of the disclosure, the cover pad may have a top layer, a bottom layer, a top end, and a bottom end. The cover pad may further include an opening for an automobile seat headrest. The assembly may further include a dispenser attached to the automobile seat and configured to store and dispense the cover pad. The dispenser may include a slit configured to allow a user to retrieve and deploy the cover pad. The protective cover assembly may further include an attachment mechanism to attach the dispenser to the automobile seat.Type: ApplicationFiled: August 5, 2019Publication date: February 6, 2020Inventors: Julio Enrique Mestroni, Vijay Anand Raghavendran Nenmeni, Gregory James Boncimino
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Patent number: 10018972Abstract: Embodiments of the present disclosure provide an apparatus including: a controller communicatively coupled to a power generation system and configured to shift the power generation system between a first operating mode and a second operating mode, the second operating mode being different from the first operating mode; and a economic optimization engine in communication with the controller, wherein the economic optimization engine calculates: an economic benefit for shifting the power generation system from the first operating mode to the second operating mode based on at least one of a power generation demand, a power generation cost, and an operating condition of the power generation system; and a billing rate per unit of time of operation in the second operating mode based on at least one of the economic benefit, an operating difference between the first operating mode and the second operating mode, and a predetermined cost differential.Type: GrantFiled: June 10, 2014Date of Patent: July 10, 2018Assignee: General Electric CompanyInventors: Rahul Jaikaran Chillar, Ernest George Cusick, Julio Enrique Mestroni, Charles Steven Renfro
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Patent number: 9945266Abstract: A combined cycle power plant includes a gas turbine having a primary flow passage, a heat recovery steam generator having a heat exchanger disposed downstream from the primary flow passage, an exhaust stack in fluid communication with the primary flow passage and disposed downstream from the heat recovery steam generator and a reversible turning gear coupled to a rotor shaft of the gas turbine. The reversible turning gear counter rotates the rotor shaft during turning gear counter rotation operation of the gas turbine and reverses flow of combustion exhaust gas from the exhaust stack through the heat exchanger and back into the primary flow passage of the gas turbine, thereby conserving thermal energy stored in the heat recovery steam generator. A method for conserving thermal energy of a combined cycle power plant during counter rotation turning gear operation of the gas turbine is also disclosed.Type: GrantFiled: August 7, 2015Date of Patent: April 17, 2018Assignee: General Electric CompanyInventors: Sanji Ekanayake, Julio Enrique Mestroni, Alston I. Scipio
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Patent number: 9897003Abstract: A method of operating a turbine assembly is provided. The method includes receiving a flow of air at a filter house that includes a first heat exchanger. The temperature of the air is controlled with the first heat exchanger by one of selectively cooling the air and by selectively heating the air. The air is then channeled from the first heat exchanger to a second heat exchanger to facilitate cooling the air.Type: GrantFiled: October 1, 2012Date of Patent: February 20, 2018Assignee: General Electric CompanyInventors: Abbas Motakef, Julio Enrique Mestroni
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Patent number: 9863284Abstract: A power generation system includes: a first gas turbine system including a first turbine component, a first integral compressor and a first combustor to which air from the first integral compressor and fuel are supplied, the first combustor arranged to supply hot combustion gases to the first turbine component, and the first integral compressor having a flow capacity greater than an intake capacity of the first combustor and/or the first turbine component, creating an excess air flow. A second gas turbine system may include similar components to the first except but without excess capacity in its compressor. A control valve system controls flow of the excess air flow from the first gas turbine system to the second gas turbine system. A cooling fluid injector may be coupled to the excess air flow path for injecting a cooling fluid such as water or steam into the excess air flow.Type: GrantFiled: March 19, 2015Date of Patent: January 9, 2018Assignee: General Electric CompanyInventors: Sanji Ekanayake, Dale Joel Davis, George Vargese Mathai, Julio Enrique Mestroni, Alston Ilford Scipio
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Patent number: 9816391Abstract: The present application thus provides a cleaning system for use with a compressor of a turbine engine. The cleaning system may include a wash nozzle positioned about the compressor and a spheroid injection port to inject a number of spheroids therein.Type: GrantFiled: September 23, 2014Date of Patent: November 14, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Sanji Ekanayake, Alston Ilford Scipio, Julio Enrique Mestroni, Timothy Joseph Rehg
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Patent number: 9644542Abstract: The present application provides a gas turbine engine for low turndown operations. The gas turbine engine may include a compressor with a compressor bleed air flow, a turbine, and a compressor bleed air flow manifold. The compressor bleed air manifold directs a variable portion of the compressor bleed air flow to the turbine.Type: GrantFiled: May 12, 2014Date of Patent: May 9, 2017Assignee: General Electric CompanyInventors: Alston Ilford Scipio, Julio Enrique Mestroni, Dale J. Davis, Sanji Ekanayake
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Publication number: 20160290234Abstract: A turbomachine includes a compressor configured to compress air received at an intake portion to form a compressed airflow that exits into an outlet portion. A combustor is operably connected with the compressor, and receives the compressed airflow. A turbine is operably connected with the combustor, and receives combustion gas flow from the combustor. The turbine has a plurality of wheels and a plurality of buckets, and the turbine receives compressor bleed off air to cool at least one of the wheels. A cooling system is operatively connected to the turbine, and includes a plurality of heat pipes attached to or embedded within at least one of the wheels. The compressor bleed off air is configured to impinge onto at least one of the wheels or the heat pipes. The heat pipes and the compressor bleed off air are configured to cool the wheels.Type: ApplicationFiled: April 2, 2015Publication date: October 6, 2016Inventors: Sanji Ekanayake, Thomas Edward Wickert, Julio Enrique Mestroni, Alston Ilford Scipio
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Publication number: 20160290235Abstract: A turbomachine includes a compressor, combustor and a turbine. An intercooler is operatively connected to the compressor. The intercooler includes a first plurality of heat pipes that extend into the inter-stage gap of the compressor, and the heat pipes are operatively connected to a first manifold. The heat pipes and the manifold are configured to transfer heat from the compressed airflow to one or more heat exchangers. A first cooling system is operatively connected to the turbine. The first cooling system includes a second plurality of heat pipes attached to or embedded within at least one of the plurality of wheels. The compressor bleed off air is configured to impinge onto at least one of the plurality of wheels or the second plurality of heat pipes. The second plurality of heat pipes and the compressor bleed off air are configured to cool at least one of the plurality of wheels.Type: ApplicationFiled: April 2, 2015Publication date: October 6, 2016Inventors: Sanji Ekanayake, Julio Enrique Mestroni, Joseph Paul Rizzo, Alston Ilford Scipio, Timothy Tahteh Yang, Thomas Edward Wickert
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Publication number: 20160273395Abstract: A power generation system includes: a first gas turbine system including a first turbine component, a first integral compressor and a first combustor to which air from the first integral compressor and fuel are supplied, the first combustor arranged to supply hot combustion gases to the first turbine component, and the first integral compressor having a flow capacity greater than an intake capacity of the first combustor and/or the first turbine component, creating an excess air flow. A second gas turbine system may include similar components to the first except but without excess capacity in its compressor. A control valve system controls flow of the excess air flow from the first gas turbine system to the second gas turbine system. A cooling fluid injector may be coupled to the excess air flow path for injecting a cooling fluid such as water or steam into the excess air flow.Type: ApplicationFiled: March 19, 2015Publication date: September 22, 2016Inventors: Sanji Ekanayake, Dale Joel Davis, George Vargese Mathai, Julio Enrique Mestroni, Alston Ilford Scipio
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Publication number: 20160258327Abstract: A system includes a controller communicatively coupled to a compressor. The controller is configured to sense an exhaust temperature of a gas turbine system fluidly coupled to the compressor and derive a setpoint based on the sensed exhaust temperature. The controller is also configured to actuate an inlet bleed heat valve based on the derived setpoint and an ambient temperature. The inlet bleed heat valve directs a compressor fluid from the compressor into a fluid intake system fluidly coupled to the compressor upstream of the compressor and configured to intake a fluid.Type: ApplicationFiled: March 4, 2015Publication date: September 8, 2016Inventors: Joseph Philip Klosinski, Alston Ilford Scipio, Sanji Ekanayake, Julio Enrique Mestroni, George Vargese Mathai, Michael Anthony Cocca
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Publication number: 20160061060Abstract: A combined cycle power plant comprises a compressor, a combustion section including a compressor discharge casing which is disposed downstream from the compressor, a turbine disposed downstream from the combustion section and an exhaust duct disposed downstream from the turbine section. The compressor, the compressor discharge casing, the turbine and the exhaust duct define a primary flow passage through the gas turbine. A heat recovery steam generator is in thermal communication with the exhaust duct and in fluid communication with a steam turbine. A blower is in fluid communication with the primary flow passage upstream from the heat recovery steam generator such that the blower draws compressed air from the primary flow passage during turning gear operation of the gas turbine.Type: ApplicationFiled: August 7, 2015Publication date: March 3, 2016Inventors: Sanji Ekanayake, Julio Enrique Mestroni, Alston I. Scipio
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Publication number: 20160061061Abstract: A combined cycle power plant includes a gas turbine having a primary flow passage, a heat recovery steam generator having a heat exchanger disposed downstream from the primary flow passage, an exhaust stack in fluid communication with the primary flow passage and disposed downstream from the heat recovery steam generator and a reversible turning gear coupled to a rotor shaft of the gas turbine. The reversible turning gear counter rotates the rotor shaft during turning gear counter rotation operation of the gas turbine and reverses flow of combustion exhaust gas from the exhaust stack through the heat exchanger and back into the primary flow passage of the gas turbine, thereby conserving thermal energy stored in the heat recovery steam generator. A method for conserving thermal energy of a combined cycle power plant during counter rotation turning gear operation of the gas turbine is also disclosed.Type: ApplicationFiled: August 7, 2015Publication date: March 3, 2016Inventors: Sanji Ekanayake, Julio Enrique Mestroni, Alston I. Scipio
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Patent number: 9222410Abstract: A power plant is provided and includes a gas turbine engine to generate power, a heat recovery steam generator (HRSG) to produce steam from high energy fluids produced from the generation of power in the gas turbine engine, a steam turbine engine to generate additional power from the steam produced in the HRSG and a thermal load reduction system to reduce thermal loading of components of the HRSG and/or the steam turbine engine during at least startup and/or part load operations, which includes an eductor by which a mixture of compressor discharge air and entrained ambient air is injectable into the HRSG and/or an attemperator to cool superheated steam to be transmitted to the steam turbine engine and a detector disposed within the HRSG to facilitate identification of hot spots therein.Type: GrantFiled: January 10, 2012Date of Patent: December 29, 2015Assignee: General Electric CompanyInventors: Rahul Jaikaran Chillar, Wulang Edwien Chriswindarto, Sanji Ekanayake, Julio Enrique Mestroni, Vijay Raghavendran Nenmeni, Achalesh Kumar Pandey, David Lee Rogers, Morgan Carthledge Salter, Ajit Srivastava
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Publication number: 20150355606Abstract: Embodiments of the present disclosure provide an apparatus including: a controller communicatively coupled to a power generation system and configured to shift the power generation system between a first operating mode and a second operating mode, the second operating mode being different from the first operating mode; and a economic optimization engine in communication with the controller, wherein the economic optimization engine calculates: an economic benefit for shifting the power generation system from the first operating mode to the second operating mode based on at least one of a power generation demand, a power generation cost, and an operating condition of the power generation system; and a billing rate per unit of time of operation in the second operating mode based on at least one of the economic benefit, an operating difference between the first operating mode and the second operating mode, and a predetermined cost differential.Type: ApplicationFiled: June 10, 2014Publication date: December 10, 2015Inventors: Rahul Jaikaran Chillar, Ernest George Cusick, Julio Enrique Mestroni, Charles Steven Renfro
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Publication number: 20150322865Abstract: The present application provides a gas turbine engine for low turndown operations. The gas turbine engine may include a compressor with a compressor bleed air flow, a turbine, and a compressor bleed air flow manifold. The compressor bleed air manifold directs a variable portion of the compressor bleed air flow to the turbine.Type: ApplicationFiled: May 12, 2014Publication date: November 12, 2015Applicant: General Electric CompanyInventors: Alston Ilford Scipio, Julio Enrique Mestroni, Dale J. Davis, Sanji Ekanayake
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Patent number: 9140184Abstract: A supercharging system includes a fan providing an air flow, and a prime mover that drives the fan. A duct directs a first portion of the air flow to a gas turbine system, a main bypass subsystem diverts a second portion of the air flow to a heat recovery steam generator; and a drive bypass subsystem that diverts a third portion of the air flow to the prime mover. The prime mover may be one of an aeroderivative gas turbine, a gas turbine, a reciprocating engine, a steam turbine and an induction motor and a variable frequency drive.Type: GrantFiled: December 20, 2012Date of Patent: September 22, 2015Assignee: General Electric CompanyInventors: Sanji Ekanayake, Alston Ilford Scipio, Timothy Tah-teh Yang, Julio Enrique Mestroni, Kurt Waldner, Tedd Sellers
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Patent number: 9091206Abstract: The present application provides an inlet air fogging system for a gas turbine engine. The inlet air fogging system may include a fogging nozzle array and a fogging control system in communication with the fogging nozzle array. The fogging control system may include a droplet size measurement system and a humidity level measurement system.Type: GrantFiled: September 14, 2011Date of Patent: July 28, 2015Assignee: GENERAL ELECTRIC COMPANYInventors: Rahul J. Chillar, Chayan Mitra, Julio Enrique Mestroni, Sandip Maity, Rachit Sharma
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Publication number: 20150056066Abstract: The present application thus provides a cleaning system for use with a compressor of a turbine engine. The cleaning system may include a wash nozzle positioned about the compressor and a spheroid injection port to inject a number of spheroids therein.Type: ApplicationFiled: September 23, 2014Publication date: February 26, 2015Inventors: SANJI EKANAYAKE, ALSTON ILFORD SCIPIO, JULIO ENRIQUE MESTRONI, TIMOTHY JOSEPH REHG