Patents by Inventor Richard Robert Larsen

Richard Robert Larsen 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).

  • Active seal assembly
    Patent number: 7066470
    Abstract: A seal assembly includes an annular hanger having a supporting ledge. An arcuate seal segment includes an outer rail mounted on the ledge and supporting an inner seal. An arcuate carrier is mounted between the hanger and the rail, and includes a piston mounted in a bore. The bore is selectively pressurized to deploy the piston between the hanger and rail for temporarily retracting the seal segment from an adjacent rotor component.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: June 27, 2006
    Assignee: General Electric Company
    Inventors: Norman Arnold Turnquist, Biao Fang, Osman Saim Dinc, Hamid Reza Sarshar, Mehmet Demiroglu, Mark Edward Burnett, Frederick George Baily, Mahmut Faruk Aksit, Ahmad Safi, Richard Robert Larsen
  • Actuated brush seal
    Patent number: 6786487
    Abstract: An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising a seal and a seal carrier coupled to the seal is provided. A displacement apparatus is coupled to the seal carrier for positioning the seal so as to control the flow in the fluid path. In addition, a drive system is provided for powering the displacement apparatus.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: September 7, 2004
    Assignee: General Electric Company
    Inventors: Osman Saim Dinc, Norman Arnold Turnquist, Mehmet Demiroglu, Hamid Reza Sarshar, Ahmad Safi, Mahmut Faruk Aksit, Roger Neal Johnson, Anthony Holmes Furman, Imdad Imam, Gerald Burt Kliman, James Hopkins, Richard Robert Larsen, David Michael Prowse, Steven Wayne Russell
  • Active seal assembly
    Publication number: 20040100035
    Abstract: A seal assembly includes an annular hanger having a supporting ledge. An arcuate seal segment includes an outer rail mounted on the ledge and supporting an inner seal. An arcuate carrier is mounted between the hanger and the rail, and includes a piston mounted in a bore. The bore is selectively pressurized to deploy the piston between the hanger and rail for temporarily retracting the seal segment from an adjacent rotor component.
    Type: Application
    Filed: July 31, 2003
    Publication date: May 27, 2004
    Inventors: Norman Arnold Turnquist, Biao Fang, Osman Saim Dinc, Hamid Reza Sarshar, Mehmet Demiroglu, Mark Edward Burnett, Frederick George Baily, Mahmut Faruk Aksit, Ahmad Safi, Richard Robert Larsen
  • Actuated brush seal
    Publication number: 20030102630
    Abstract: The present invention provides an actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising a seal and a seal carrier coupled to the seal. A displacement apparatus is coupled to the seal carrier for positioning the seal so as to control the flow in the fluid path. In addition, a drive system is provided for powering the displacement apparatus.
    Type: Application
    Filed: December 5, 2001
    Publication date: June 5, 2003
    Applicant: General Electric Company
    Inventors: Osman Saim Dinc, Norman Arnold Turnquist, Mehmet Demiroglu, Hamid Reza Sarshar, Ahmad Safi, Mahmut Faruk Aksit, Roger Neal Johnson, Anthony Holmes Furman, Imdad Imam, Gerald Burt Kliman, James Hopkins, Richard Robert Larsen, David Michael Prowse, Steven Wayne Russell