Acoustic damper

Details Acoustic damper Acoustic damper

2005-10-27

2009-06-23

Kim, Ted (Department: 3741)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S754000, C060S755000, C431S114000

Reexamination Certificate

active

07549290

ABSTRACT:
A combustor wall of a gas turbine engine is provided with an acoustic damper component. The component has a first metering passage, a first damping chamber, a first damping passage, a second damping chamber and a second damping passage. Air flows through the damper to be ejected into the combustion chamber from the second damping passage at a selected velocity and volumetric flow. The flow being sufficient to damp instabilities from the combustion process.

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