Patents by Inventor Leonard Bezman

Leonard Bezman 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).

  • Patent number: 10781754
    Abstract: A system and method for rotor bow mitigation for a gas turbine engine are provided. An elapsed time since a shutdown of the engine and an idle operation time of the engine prior to the shutdown are determined. A rotor bow mitigation period is determined based on the elapsed time and the idle operation time and, prior to initiating a start sequence of the engine, the engine is motored for a duration of the rotor bow mitigation period.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: September 22, 2020
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Matthew Chiasson, Jason Tremblay, Leonard Bezman, Ioan Sabau
  • Publication number: 20190178165
    Abstract: A system and method for rotor bow mitigation for a gas turbine engine are provided. An elapsed time since a shutdown of the engine and an idle operation time of the engine prior to the shutdown are determined. A rotor bow mitigation period is determined based on the elapsed time and the idle operation time and, prior to initiating a start sequence of the engine, the engine is motored for a duration of the rotor bow mitigation period.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 13, 2019
    Inventors: Matthew Chiasson, Jason Tremblay, Leonard Bezman, Ioan Sabau