Patents by Inventor Raji Mali

Raji Mali 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).

  • Turbomachine rotor groove
    Patent number: 9828865
    Abstract: An example turbomachine rotor provides a groove that is annular and is configured to receive a root of an airfoil, the groove having a radial cross-sectional area. A ratio of the radial cross-sectional area of the groove to a radial cross-sectional area of the root received within the annular groove is from 2 to 5.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: November 28, 2017
    Assignee: United Technologies Corporation
    Inventors: Nicholas Aiello, Raji Mali
  • TURBOMACHINE ROTOR GROOVE
    Publication number: 20140086742
    Abstract: An example turbomachine rotor provides a groove that is annular and is configured to receive a root of an airfoil, the groove having a radial cross-sectional area. A ratio of the radial cross-sectional area of the groove to a radial cross-sectional area of the root received within the annular groove is from 2 to 5.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Nicholas Aiello, Raji Mali
  • Knife Edge Seal for Gas Turbine Engine
    Publication number: 20130259659
    Abstract: A seal for a gas turbine engine and a gas turbine engine employing such a seal are disclosed. More specifically, the engine includes a knife edge seal which is better able to withstand the extremely high temperatures and mechanical loads to which gas turbine engine components are increasingly subjected. By moving the knife edge seal to the aft hub and cantilevering its angle off of vertical, thermal and mechanical loads are balanced and thus thermal mechanical fatigue life is improved while low cycle fatigue is maintained.
    Type: Application
    Filed: March 27, 2012
    Publication date: October 3, 2013
    Applicant: Pratt & Whitney
    Inventors: David A. Knaul, Fadi S. Maalouf, Nicholas Aiello, Orenthral T. Morgan, Raji Mali