Patent ID: 9140455
Filing Date: 2015-09-22
Classification: F23R

Abstract:
1. A flowsleeve of a gas turbine combustor, the flowsleeve comprising: an annular body including an upstream casing and a downstream casing, the upstream casing defining a first fuel feed, a second fuel feed and a third fuel feed, and the downstream casing defining a first airway opening and a second airway opening, and a first premixing passage and a second premixing passage, the first airway opening being disposed on a wall forming the first premixing passage, and the second airway opening being disposed on a wall forming the second premixing passage, and the first fuel feed having a first fuel coupling with the first premixing passage, the second fuel feed having a second fuel coupling with the second premixing passage, the third fuel feed having a third fuel coupling with the first premixing passage and a fourth fuel coupling with the second premixing passage, the first and second premixing passages receive fuel and air, forming a fuel-air mixture, from their respective first, second and third fuel feeds and their respective first and second airway openings.