Patents by Inventor Nandakishore Arcot Madhusudan

Nandakishore Arcot Madhusudan 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).

  • Vanes and shrouds for a turbo-machine
    Patent number: 11697997
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: July 11, 2023
    Assignee: Cummins Ltd.
    Inventors: Matthew William Edwards, Karl Conlon, Simon David Moore, Christopher Parry, Andrew Sullivan, Paul Ghosh, Mark R. Holden, George E. Sandford, Nandakishore Arcot Madhusudan, Stephen David Hughes, Christopher J. Shaw
  • Vane arrangement for a turbo-machine
    Patent number: 11441435
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet, vanes, extending from a nozzle ring though slots in a shroud, are shaped on one side to as to substantially conform to the profile of the surface of the slot, whereby a close connection can be formed between the vane and the slot to inhibit leakage of gas between the vane and the slot surface.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: September 13, 2022
    Assignee: CUMMINS LTD
    Inventors: Simon David Moore, Matthew William Edwards, Stephen David Hughes, George E. Sanford, Nandakishore Arcot Madhusudan
  • VANES AND SHROUDS FOR A TURBO-MACHINE
    Publication number: 20220251960
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 11, 2022
    Inventors: Matthew William Edwards, Karl Conlon, Simon David Moore, Christopher Parry, Andrew Sullivan, Paul Ghosh, Mark R. Holden, George E. Sandford, Nandakishore Arcot Madhusudan, Stephen David Hughes, Chistopher J. Shaw
  • Vanes and shrouds for a turbo-machine
    Patent number: 11371369
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: June 28, 2022
    Assignee: CUMMINS LTD.
    Inventors: Matthew William Edwards, Karl Conlon, Simon David Moore, Christopher Parry, Andrew Sullivan, Paul Ghosh, Mark R. Holden, George E. Sandford, Nandakishore Arcot Madhusudan, Stephen David Hughes, Christopher J. Shaw
  • Vanes and Shrouds for a Turbo-Machine
    Publication number: 20210363891
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 25, 2021
    Inventors: Matthew William Edwards, Karl Conlon, Simon David Moore, Christopher Parry, Andrew Sullivan, Paul Ghosh, Mark R. Holden, George E. Sandford, Nandakishore Arcot Madhusudan, Stephen David Hughes, Christopher J Shaw
  • VANE ARRANGEMENT FOR A TURBO-MACHINE
    Publication number: 20190292924
    Abstract: A turbine for a turbo-machine is proposed in which, at a gas inlet, vanes, extending from a nozzle ring though slots in a shroud, are shaped on one side to as to substantially conform to the profile of the surface of the slot, whereby a close connection can be formed between the vane and the slot to inhibit leakage of gas between the vane and the slot surface.
    Type: Application
    Filed: November 13, 2017
    Publication date: September 26, 2019
    Applicant: Cummins Ltd
    Inventors: Simon David Moore, Matthew William Edwards, Stephen David Hughes, George E. Sanford, Nandakishore Arcot Madhusudan