US 12,134,986 B1
Acoustic damping device
Hiranya Kumar Nath, Bengaluru (IN); Ravindra Shankar Ganiger, Bengaluru (IN); Kwanwoo Kim, Cincinnati, OH (US); Dharmaraj Pachaiappan, Bengaluru (IN); and Vivekta Sharma, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Evandale, OH (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Jan. 23, 2024, as Appl. No. 18/420,337.
Int. Cl. F02C 7/24 (2006.01)
CPC F02C 7/24 (2013.01) 20 Claims
OG exemplary drawing
 
1. An acoustic damping device comprising:
a first channel defining a first volume, the first channel open on a first end and closed on a second end;
a second channel surrounding the first channel and defining a second volume; and
a plurality of discs oriented within the first channel, respective discs of the plurality of discs including an opening in a center of the respective disc to allow at least one of a fluid or acoustic oscillation to move from the first end to the second end, the first channel including a plurality of apertures dispersed along an outer wall of the first channel and between the plurality of discs, the apertures to facilitate transfer of at least one of the fluid or the acoustic oscillation from the first channel to the second channel.