Patents Assigned to Lean Flame, Inc.
  • Method of fuel staging in combustion apparatus
    Patent number: 8549862
    Abstract: In one embodiment, a method is provided fuel staging for a trapped vortex (TVC) combustion apparatus comprising an inlet premixer, for injecting fuel-air mixture into the inlet of the combustion apparatus and a vortex premixer, for injecting fuel-air mixture into the recirculating vortex. The combustion apparatus may be part of an engine, such as a gas turbine engine. The method comprises varying the relative proportion of mixture introduced through the inlet and vortex premixers as a function of load.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: October 8, 2013
    Assignee: Lean Flame, Inc.
    Inventor: Donald W. Kendrick