General Electric Company
DAMPER FOR SWIRL-CUP COMBUSTORS
Last updated:
Abstract:
A gas turbine engine may include a combustion section having a fuel nozzle, a swirler, and a ferrule configured to mount and center the fuel nozzle with the swirler. The combustion section may further include a damper on a cold side of the combustion section. The damper may have an acoustic cavity, a damper neck, and a cavity feed hole. The damper may operate as Helmholtz cavity to absorb a hydrodynamic or acoustic instability present in a region within the swirler.
Status:
Application
Type:
Utility
Filling date:
4 Mar 2021
Issue date:
8 Sep 2022