Patents by Inventor Hayagreeva Rao

Hayagreeva Rao 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).

  • FLOW GUIDED VALVE SEAT FOR STEAM TURBINE VALVES
    Publication number: 20110297867
    Abstract: A flow valve includes a control valve having a movable body, a stop valve having a movable body; and a valve seat having a facing surface that contacts at least a portion of one of the control valve body or the stop valve body when the flow valve is in a closed position, the facing surface of the valve seat being configured to merge with a rear portion of the valve seat at a tip portion, the facing surface of the valve seat having an aerodynamic profile that provides for a guided flow in a flow direction through the flow valve.
    Type: Application
    Filed: June 7, 2010
    Publication date: December 8, 2011
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Abhishek Chowdhury, Vamshidhar Done, Vishal Girishchandra Shah, Hayagreeva Rao Karra Venkata
  • Composite material for turbine support structure
    Patent number: 7824763
    Abstract: A composite material for use in turbine support structures. The composite material may include a first material having a positive coefficient of thermal expansion and a second material having a negative coefficient of thermal expansion, a negative Poisson ratio, or both a negative coefficient of thermal expansion and a negative Poisson ratio.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: November 2, 2010
    Assignee: General Electric Company
    Inventors: Adi Narayana Namburi, Hayagreeva Rao, Chinniah Thiagarajan
  • Steam turbine exhaust hood and method of fabricating the same
    Patent number: 7785068
    Abstract: A method of fabricating an exhaust hood is provided for use with a turbine engine. The method includes providing an upper shell casing wherein the upper shell casing is fabricated from a composite material, and coupling the upper shell casing to a lower shell casing such that a turbine is housed within the exhaust hood, the shell casing is fabricated from a composite material. A turbine assembly is also provided.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 31, 2010
    Assignee: General Electric Company
    Inventors: Hayagreeva Rao K V, Prashant Shukla, Adi Narayana Namburi, Chinniah Thiagarajan
  • Steam turbine exhaust hood and method of fabricating the same
    Publication number: 20080286099
    Abstract: A method of fabricating an exhaust hood is provided for use with a turbine engine. The method includes providing an upper shell casing wherein the upper shell casing is fabricated from a composite material, and coupling the upper shell casing to a lower shell casing such that a turbine is housed within the exhaust hood, the shell casing is fabricated from a composite material. A turbine assembly is also provided.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 20, 2008
    Inventors: Hayagreeva Rao K V, Prashant Shukla, Adi Narayana Namburi, Chinniah Thiagarajan
  • COMPOSITE MATERIAL FOR TURBINE SUPPORT STRUCTURE
    Publication number: 20080233372
    Abstract: A composite material for use in turbine support structures. The composite material may include a first material having a positive coefficient of thermal expansion and a second material having a negative coefficient of thermal expansion, a negative Poisson ratio, or both a negative coefficient of thermal expansion and a negative Poisson ratio.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 25, 2008
    Applicant: General Electric Company
    Inventors: Adi Narayana Namburi, Hayagreeva Rao, Chinniah Thiagarajan