Patents by Inventor Shorya nmn Awtar

Shorya nmn Awtar 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).

  • Spring system designs for active and passive retractable seals
    Patent number: 8113771
    Abstract: A spring assembly for a retractable turbine rotor seal supported in an arcuate segment may include in one embodiment a first radially inner restraining plate having a lower surface adapted to engage a surface of a turbine stator, and a flat upper surface provide with an upstanding hub; a second radially outer restraining plate having a flat lower surface and an upper surface adapted to engage a surface of the arcuate segment, the radially outer restraining plate formed with an opening receiving the upstanding hub; and at least one spring telescoped over the upstanding hub and exerting a radially outward biasing force on the second radially outer restraining plate, and adapted to exert a radially outward retracting force on the arcuate segment.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: February 14, 2012
    Assignee: General Electric Company
    Inventors: Norman Arnold Turnquist, Shorya nmn Awtar, Mustafa Gursoy, Kartik Mangudi Varadarajan
  • SPRING SYSTEM DESIGNS FOR ACTIVE AND PASSIVE RETRACTABLE SEALS
    Publication number: 20100239415
    Abstract: A spring assembly for a retractable turbine rotor seal supported in an arcuate segment may include in one embodiment a first radially inner restraining plate having a lower surface adapted to engage a surface of a turbine stator, and a flat upper surface provide with an upstanding hub; a second radially outer restraining plate having a flat lower surface and an upper surface adapted to engage a surface of the arcuate segment, the radially outer restraining plate formed with an opening receiving the upstanding hub; and at least one spring telescoped over the upstanding hub and exerting a radially outward biasing force on the second radially outer restraining plate, and adapted to exert a radially outward retracting force on the arcuate segment.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 23, 2010
    Applicant: General Electric Company
    Inventors: Norman Arnold TURNQUIST, Shorya nmn AWTAR, Mustafa GURSOY, Karatik Mangudi VARADARAJAN