Patents by Inventor Santosh Narasimhachary

Santosh Narasimhachary 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).

  • Gas turbine rotor sealing band arrangement having a friction welded pin element
    Patent number: 10012084
    Abstract: A sealing band arrangement for a gas turbine including first and second adjoining rotor disks separated by a gap wherein the first rotor disk includes an aperture. The sealing band arrangement includes at least one seal strip segment located within the gap, wherein the seal strip segment includes a first mating surface. The sealing band arrangement further includes a block having a locking section located within the aperture to stop circumferential movement of the seal strip segment relative to the first and second disks. A tapered pin element extends through the seal strip segment and the block. The tapered pin element is friction welded to both the seal strip segment and the block to attach the block to the first mating surface of the seal strip segment.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: July 3, 2018
    Assignee: SIEMENS ENERGY, INC.
    Inventors: Sachin R. Shinde, Phillip W. Gravett, Santosh Narasimhachary, Christopher W. Ross
  • GAS TURBINE ROTOR SEALING BAND ARRANGEMENT HAVING A FRICTION WELDED PIN ELEMENT
    Publication number: 20160069202
    Abstract: A sealing band arrangement for a gas turbine including first and second adjoining rotor disks separated by a gap wherein the first rotor disk includes an aperture. The sealing band arrangement includes at least one seal strip segment located within the gap, wherein the seal strip segment includes a first mating surface. The sealing band arrangement further includes a block having a locking section located within the aperture to stop circumferential movement of the seal strip segment relative to the first and second disks. A tapered pin element extends through the seal strip segment and the block. The tapered pin element is friction welded to both the seal strip segment and the block to attach the block to the first mating surface of the seal strip segment.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 10, 2016
    Inventors: Sachin R. Shinde, Phillip W. Gravett, Santosh Narasimhachary, Christopher W. Ross