|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F02K-001/82 F02K-001/00 B64D-033/02 B64D-033/00 B64C-001/12 B64C-001/00|
|미국특허분류(USC)||181/214; 181/213; 244/053.B; 244/131|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 15 인용 특허 : 19|
A liner assembly for a fan case includes a noise attenuation layer covered by a face sheet. The face sheet includes openings to the underlying noise attenuation layer. The face sheet and noise attenuation layer include acoustically transparent joints. The noise attenuation layer includes a first side joined to a second side at a seam by an adhesive strip. The adhesive strip bonds the first side to the second side without filling any chambers. The face sheet includes a joint filled with an adhesive providing the desired uninterrupted surface within the fa...
What is claimed is: 1. A liner assembly for a fan case comprising: a noise attenuation layer; and a face sheet over said noise attenuation layer, said face sheet including a first plurality of openings and a joint, wherein said joint comprises a first seam comprising overlapped sides of said face sheet and an adhesive disposed over said overlapping sides, said joint including a second plurality of openings extending through said adhesive and each of said overlapped sides of said face sheet for communicating sound energy through said joint to said noise ...