|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||G10K-011/04 F02K-001/26 B64D-033/06|
|미국특허분류(USC)||181/213 ; 181/222|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 36 인용 특허 : 0|
A combination fan jet engine nozzle plug and muffler. The combination comprises a nozzle plug structure formed from a plurality of inwardly slanted spaced apart elements. The elements form outwardly open and inwardly closed cavities. The cavities\openings are covered by porous skin material attached to the elements.
A combination engine plug and muffler for a fan jet aircraft engine comprising: a central plug structure formed of a plurality of inward slanting, spaced apart elements, said elements fixedly attached to a center member positioned co-axial with the center line of said engine and fixedly attached thereto, said spaced apart elements forming outwardly open and inwardly terminating cavities therebetween and pervious material attached to the outer periphery of said elements for covering the spaces between said spaced apart elements.