Patents by Inventor Bojan Lukovic

Bojan Lukovic 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).

  • Method and system for mitigating rotor bow in a turbo machine
    Patent number: 11525370
    Abstract: An aspect of the present disclosure is directed to a method for mitigating rotor bow in a turbo machine. The method includes rotating a rotor over a first period of time; discontinuing rotation of the rotor for a second period of time; and iterating, over an overall period of time, rotation of the rotor over the first period of time and discontinuing rotation of the rotor for the second period of time.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: December 13, 2022
    Assignees: General Electric Company, GE Avio S.r.l.
    Inventors: Bojan Lukovic, Michael John Murray, Christian Michael Fernholz, Davide Lauria, Rocco Pellettieri, Steven Edward Nolte
  • METHOD AND SYSTEM FOR MITIGATING ROTOR BOW IN A TURBO MACHINE
    Publication number: 20220154594
    Abstract: An aspect of the present disclosure is directed to a method for mitigating rotor bow in a turbo machine. The method includes rotating a rotor over a first period of time; discontinuing rotation of the rotor for a second period of time; and iterating, over an overall period of time, rotation of the rotor over the first period of time and discontinuing rotation of the rotor for the second period of time.
    Type: Application
    Filed: September 10, 2021
    Publication date: May 19, 2022
    Inventors: Bojan Lukovic, Michael John Murray, Christian Michael Fernholz, Davide Lauria, Rocco Pellettieri, Steven Edward Nolte
  • Gearbox with sealed accessory vent
    Patent number: 9890846
    Abstract: A gearbox vent apparatus includes: a gearbox; an accessory contained in a case mounted to the gearbox such than an interior space of the case communicates with an interior space of the gearbox, wherein the case includes a sidewall and an endwall, a hollow drive shaft mounted for rotation inside the case; an annular first seal element mounted to the drive shaft; an annular second seal element mounted to the case and contacting the first seal element so as to define a sealing interface; and a vent tube having a forward end coupled to the endwall in fluid communication with the drive shaft.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: February 13, 2018
    Assignee: General Electric Company
    Inventors: Mark Gregory Wotzak, Duane Howard Anstead, Bojan Lukovic, James John Luz, Thomas Charles McCarthy, Keith Beatty
  • GEARBOX WITH SEALED ACCESSORY VENT
    Publication number: 20160160992
    Abstract: A gearbox vent apparatus includes: a gearbox; an accessory contained in a case mounted to the gearbox such than an interior space of the case communicates with an interior space of the gearbox, wherein the case includes a sidewall and an endwall, a hollow drive shaft mounted for rotation inside the case; an annular first seal element mounted to the drive shaft; an annular second seal element mounted to the case and contacting the first seal element so as to define a sealing interface; and a vent tube having a forward end coupled to the endwall in fluid communication with the drive shaft.
    Type: Application
    Filed: November 13, 2015
    Publication date: June 9, 2016
    Inventors: Mark Gregory WOTZAK, Duane Howard ANSTEAD, Bojan LUKOVIC, James John LUZ, Thomas Charles MC CARTHY, Keith BEATTY
  • Gas turbine engine airfoil integrated heat exchanger
    Patent number: 8616834
    Abstract: A heat exchanger apparatus includes: (a) an airfoil having opposed pressure and suction sides, a root, a tip, and spaced-apart leading and trailing edges; and (b) a plenum integrally formed within the airfoil which is configured to receive a flow of circulating working fluid; and (c) inlet and outlet ports communicating with the plenum and an exterior of the airfoil.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: December 31, 2013
    Assignee: General Electric Company
    Inventors: Glenn Knight, III, Bojan Lukovic, Daniel Laborie, Kenneth S. Scheffel
  • GAS TURBINE ENGINE AIRFOIL INTEGRATED HEAT EXCHANGER
    Publication number: 20110268562
    Abstract: A heat exchanger apparatus includes: (a) an airfoil having opposed pressure and suction sides, a root, a tip, and spaced-apart leading and trailing edges; and (b) a plenum integrally formed within the airfoil which is configured to receive a flow of circulating working fluid; and (c) inlet and outlet ports communicating with the plenum and an exterior of the airfoil.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 3, 2011
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Glenn Knight, III, Bojan Lukovic, Daniel Laborie, Kenneth S. Scheffel