US 12,077,309 B2
Reinforced acoustic treatment panel for an aircraft propulsion unit
Patrick Gonidec, Moissy-Cramayel (FR); Albin Lafont, Moissy-Cramayel (FR); Virginie Emmanuelle Anne-Marie Digeos, Moissy-Cramayel (FR); and Stuart Hardyman, Moissy-Cramayel (FR)
Assigned to SAFRAN NACELLES, Gonfreville-l'Orcher (FR)
Appl. No. 18/571,073
Filed by SAFRAN NACELLES, Gonfreville-l'Orcher (FR)
PCT Filed Jun. 10, 2022, PCT No. PCT/FR2022/051110
§ 371(c)(1), (2) Date Dec. 15, 2023,
PCT Pub. No. WO2022/263751, PCT Pub. Date Dec. 22, 2022.
Claims priority of application No. 2106342 (FR), filed on Jun. 15, 2021.
Prior Publication US 2024/0217667 A1, Jul. 4, 2024
Int. Cl. B64D 33/02 (2006.01); F02C 7/045 (2006.01); G10K 11/168 (2006.01)
CPC B64D 33/02 (2013.01) [F02C 7/045 (2013.01); B64D 2033/0206 (2013.01); F05D 2220/323 (2013.01); F05D 2250/283 (2013.01); F05D 2260/96 (2013.01); G10K 11/168 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An acoustic treatment panel intended to be disposed on at least one wall of an aircraft propulsion unit in contact with a fluid flow, the panel comprising a first acoustically reflective skin, a second acoustically porous skin intended to be in contact with a fluid flow, a honeycomb structure extending between the first skin and the second skin and comprising a plurality of cavities,
wherein it comprises at least one acoustically transparent reinforcing wall passing through a plurality of cavities of the honeycomb structure and extending from the second skin to the first skin forming a non-orthogonal angle with the first and second skins, said at least one reinforcing wall being formed in one piece with the first acoustically reflective wall.