Patents by Inventor Prakash Kulkarni

Prakash Kulkarni 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).

  • Patent number: 9850794
    Abstract: A power generation system according to an embodiment includes: a gas turbine system including a compressor component, a combustor component, and a turbine component; an airflow generation system coupled to an expander shaft downstream of the gas turbine system for drawing in a flow of ambient air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; a flow directing system for directing the flow of ambient air generated by the airflow generation system to the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 26, 2017
    Assignee: General Electric Company
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, Jr., Robert Joseph Reed
  • Patent number: 9850818
    Abstract: An airflow control system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting a supply of bypass air from an excess flow of air generated by the compressor component of the gas turbine system; an enclosure surrounding the gas turbine system and forming an air passage, the bypass air flowing through the air passage and around the gas turbine system into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 26, 2017
    Assignee: General Electric Company
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, Jr., Robert Joseph Reed
  • Patent number: 9840953
    Abstract: A system for reducing a temperature of an exhaust gas stream of a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; an airflow generation system for attachment to a rotatable shaft of the gas turbine system, the airflow generation system and the compressor component drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system and the compressor component to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and a fluid injection system for injecting an atomized fluid into the mixing area to reduce a temperature of the exhaust gas stream.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 12, 2017
    Assignee: General Electric Company
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, Jr., Robert Joseph Reed
  • Publication number: 20170342911
    Abstract: An airflow control system control system for a gas turbine system according to an embodiment includes: an airflow generation system including a plurality of air moving systems for selective attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; and a mixing area for receiving an exhaust gas stream of the gas turbine system; the airflow generation system: directing a first portion and a second portion of the excess flow of air generated by the airflow generation system into the mixing area to reduce a temperature of the exhaust gas stream; and directing a third portion of the excess flow of air generated by the airflow generation system into a discharge chamber of a compressor component of the gas turbine system.
    Type: Application
    Filed: May 31, 2016
    Publication date: November 30, 2017
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, JR., Sanji Ekanayake, Alston Ilford Scipio
  • Publication number: 20170325300
    Abstract: A light emitting diode system allows for high current end user LED matrix applications while mitigating internal damage to control circuitry that may be caused by excess current flow. In one example, multiple switches operate in parallel across an LED. When an overvoltage condition is detected in a first switch, a logic circuit determines those switches programmed to operate in parallel and causes them to conduct current. This reduces the amount of current flowing through any one switch and mitigates harm to the device. The parallel configuration of switches may be driven by a single pulse width modulated current. This allows the drive current to be divided between parallel transistors, limiting the damaging effects that can be caused by high currents flowing through the transistors.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 9, 2017
    Inventors: Michael James Drake, Daniel Ross Herrington, Sumeet Prakash Kulkarni, Vahid Yousefzadeh, James Michael Patterson, James Harbison Masson
  • Patent number: 9752503
    Abstract: An airflow control system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system for generating an excess flow of air; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting at least a portion of the excess flow of air generated by the compressor component of the gas turbine system to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: September 5, 2017
    Assignee: General Electric Company
    Inventors: Lewis Berkley Davis, Jr., Parag Prakash Kulkarni, Robert Joseph Reed
  • Patent number: 9752502
    Abstract: An airflow control system for a gas turbine according to an embodiment includes: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream of the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: September 5, 2017
    Assignee: General Electric Company
    Inventors: Lewis Berkley Davis, Jr., Parag Prakash Kulkarni, Robert Joseph Reed
  • Publication number: 20170204786
    Abstract: A gas turbine system includes a gas turbine engine, an exhaust processing system disposed downstream of and fluidly coupled to the gas turbine engine, and an air delivery system that may supply treated air to the gas turbine engine and the exhaust processing system. The air delivery system includes a main air duct fluidly coupled to the gas turbine engine and that may supply a first portion of the treated air to the gas turbine engine, an auxiliary air duct fluidly coupled to the main air duct and the exhaust processing system and that may supply a second portion of the treated air to the exhaust processing system, and an air treatment unit fluidly coupled to the main air duct and that may generate the treated air.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 20, 2017
    Inventors: Hua Zhang, Parag Prakash Kulkarni, Bradly Aaron Kippel
  • Publication number: 20170204771
    Abstract: A system includes a system includes an exhaust section which receives an exhaust flow of a gas turbine, where the exhaust section includes a catalyst assembly. The system includes an exhaust duct coupled to the diffuser section upstream of the catalyst assembly, where the exhaust duct extracts a return portion of the exhaust flow. The system includes a filter house coupled to the exhaust duct, where the filter house is receives a combined flow of an ambient air flow and the return portion. The system includes a return conduit coupled to the filter house and the exhaust section, where the return conduit is coupled to the exhaust section upstream of the exhaust duct. The return conduit directs the combined flow to the exhaust section, and the catalyst assembly receives a mixed flow including the exhaust flow and the combined flow.
    Type: Application
    Filed: January 20, 2016
    Publication date: July 20, 2017
    Inventors: Hua Zhang, Parag Prakash Kulkarni, Bradly Aaron Kippel
  • Patent number: 9670843
    Abstract: A system includes a catalyst system having at least one catalyst to treat an exhaust gas from a gas turbine system, and a thermal storage system having at least one storage tank to store thermal energy in a medium, wherein the system is configured to transfer heat from the medium to the at least one catalyst.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: June 6, 2017
    Assignee: General Electric Company
    Inventors: Raymond Pang, Parag Prakash Kulkarni, Huijuan Chen
  • Publication number: 20170058742
    Abstract: An exhaust processing system for treating an exhaust gas stream that includes an exhaust duct for directing the exhaust gas stream; a first catalyst positioned within the exhaust duct for receiving the exhaust gas stream flowing therethrough; and an injection system for injecting cooling air and reductant in the exhaust gas stream. The injection system may include: a reductant supply feed for supplying the reductant; a cooling air supply feed for supplying the cooling air; a junction configured at which the reductant supply feed and the cooling air supply feed combine to form a combined supply feed thereafter; and an injector disposed within the exhaust duct to which the combined supply feed connects.
    Type: Application
    Filed: August 28, 2015
    Publication date: March 2, 2017
    Inventors: Hua Zhang, Gordon Raymond Smith, Parag Prakash Kulkarni
  • Publication number: 20170032249
    Abstract: System and method for automatic entity relationship (ER) model generation for services as software is disclosed. ER model generation by automated knowledge acquisition is disclosed, and automation of knowledge generation process is disclosed. Information extraction process is automated and multilevel validation of information extraction process is provided. System comprises training module to train information extraction model, and knowledge generation module for population of ER model. Standard Operators are generated based on the ER model so generated (populated). Context aware entity extraction is implemented for the ER model generation. System and method leverages existing ER model to make the system self-learning and intelligent, and provides common platform for knowledge generation from different data sources comprising documents, database, website, web corpus, and blog.
    Type: Application
    Filed: August 1, 2016
    Publication date: February 2, 2017
    Applicant: Tata Consultancy Serivces Limited
    Inventors: Sandeep CHOUGULE, Anil Kumar KURMI, Harrick Mayank VIN, Rahul Ramesh KELKAR, Sharmishtha Prakash KULKARNI, Amrish Shashikant PATHAK, Girish Keshav PALSHIKAR, Sachin PAWAR, Nitin Vijaykumar RAMRAKHIYANI
  • Publication number: 20160376960
    Abstract: An airflow control system for a combined cycle turbomachine system in accordance with an embodiment includes: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting a first portion of the excess flow of air to provide bypass air, and for diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an airflow regulation system for diverting a second portion of the excess flow of air into the compressor component and, in response to an under-frequency grid event, for increasing the second portion of the excess flow of air diverted into the compressor component.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Robert Joseph Reed, Lewis Berkley Davis, JR., Parag Prakash Kulkarni
  • Publication number: 20160376958
    Abstract: An airflow control system for a combined cycle power generation system according to an embodiment includes: a compressor component of a gas turbine system for generating an excess flow of air; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; and an air extraction system for extracting at least a portion of the excess flow of air generated by the compressor component of the gas turbine system to provide bypass air, and for diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; wherein the reduced temperature exhaust gas stream is provided to a heat recovery steam generator.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Lewis Berkley Davis, JR., Parag Prakash Kulkarni, Robert Joseph Reed
  • Publication number: 20160376992
    Abstract: An airflow control system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system for generating an excess flow of air; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting at least a portion of the excess flow of air generated by the compressor component of the gas turbine system to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Lewis Berkley Davis, Jr., Parag Prakash Kulkarni, Robert Joseph Reed
  • Publication number: 20160376909
    Abstract: An airflow control system for a combined cycle power generation system according to an embodiment includes: airflow control system for a combined cycle power generation system, comprising: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; and an air extraction system for extracting at least a portion of an excess flow of air generated by the airflow generation system to provide bypass air, and for diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; wherein the reduced temperature exhaust gas stream is provided to a heat recovery steam generator.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, JR., Robert Joseph Reed
  • Publication number: 20160376994
    Abstract: An airflow control system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting a supply of bypass air from an excess flow of air generated by the compressor component of the gas turbine system; an enclosure surrounding the gas turbine system and forming an air passage, the bypass air flowing through the air passage and around the gas turbine system into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Parag Prakash Kulkarni, Lewis Berkley Davis, JR., Robert Joseph Reed
  • Publication number: 20160376955
    Abstract: An airflow system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; an airflow generation system for attachment to a rotatable shaft of the gas turbine system, the airflow generation system and the compressor component drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system and the compressor component to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Robert Joseph Reed, Lewis Berkley Davis, Jr., Parag Prakash Kulkarni
  • Publication number: 20160376959
    Abstract: An airflow control system for a combined cycle turbomachine system according to an embodiment includes: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for extracting a first portion of the excess flow of air to provide bypass air, and for diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; diverting a second portion of the excess flow of air into the compressor component; and in response to an increase in a temperature of the air, increasing the second portion of the excess flow of air diverted into the compressor component.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Lewis Berkley Davis, JR., Parag Prakash Kulkarni, Robert Joseph Reed
  • Publication number: 20160376991
    Abstract: An airflow control system for a gas turbine according to an embodiment includes: an airflow generation system for attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream of the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Lewis Berkley Davis, JR., Parag Prakash Kulkarni, Robert Joseph Reed