Patents by Inventor Raja Kadhirvelu

Raja Kadhirvelu 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).

  • Scarf connection for a wind turbine rotor blade
    Patent number: 11131290
    Abstract: A rotor blade for a wind turbine includes at least one blade segment defining an airfoil surface and an internal support structure. The internal support structure is formed, at least in part, of a first portion constructed of a first composite material and a second portion constructed of a different, second composite material, the second composite material arranged in a plurality of layers. The first and second portions are connected together via a scarf joint. Each of the plurality of layers of the second composite material includes an end that terminates at the scarf joint. The scarf joint includes a different, third composite material arranged between the first and second composite materials. The third composite material includes a plurality of segments, each of which is arranged so as to completely wrap the ends of the plurality of layers of the second composite material.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 28, 2021
    Assignee: General Electric Company
    Inventors: Sujan Kumar Pal, Raja Kadhirvelu
  • Scarf Connection for a Wind Turbine Rotor Blade
    Publication number: 20200408189
    Abstract: A rotor blade for a wind turbine includes at least one blade segment defining an airfoil surface and an internal support structure. The internal support structure is formed, at least in part, of a first portion constructed of a first composite material and a second portion constructed of a different, second composite material, the second composite material arranged in a plurality of layers. The first and second portions are connected together via a scarf joint. Each of the plurality of layers of the second composite material includes an end that terminates at the scarf joint. The scarf joint includes a different, third composite material arranged between the first and second composite materials. The third composite material includes a plurality of segments, each of which is arranged so as to completely wrap the ends of the plurality of layers of the second composite material.
    Type: Application
    Filed: June 25, 2019
    Publication date: December 31, 2020
    Inventors: Sujan Kumar Pal, Raja Kadhirvelu