FUEL SUPPLY SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a fuel supply system that reduces combustion dynamics in a combustion assembly of a gas-turbine engine.SOLUTION: A fuel supply system includes a main fuel line path configured to route a fuel to a combustion inlet region and a secondary fuel line path fluidly coupled to the main fuel line path. The secondary fuel line path is configured to divert a portion of the fuel from the main fuel line path through a first segment of the secondary fuel line path and return it to the main fuel line path through a second segment of the secondary fuel line path. An obstruction mechanism is located proximately to the main fuel line path at an obstruction location and is configured to cyclically translate into the main fuel line path to cyclically alter a cross-sectional area of the main fuel line path to effectively oscillate the pressure of a fuel flow into a combustion system.