|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||060/770; 239/265.11; 181/213; 181/284|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 17 인용 특허 : 37|
A sound-absorbing exhaust nozzle center plug for an aircraft gas turbine engine can include an outer skin and at least one forward cavity within the outer skin. At least one aft cavity can be located within the outer skin and substantially aft of the forward cavity. A perforated wall including a plurality of first openings can be disposed between the forward and aft cavities. The outer skin can include a second plurality of openings providing an acoustic pathway through the outer skin and into the forward cavity. The forward and aft cavities can be confi...
What is claimed is: 1. A sound-absorbing exhaust center plug for an aircraft gas turbine engine comprising: a center plug body adapted for attachment within an exhaust nozzle of the engine and comprising: (a) an outer skin; (b) at least one forward cavity within the plug body; (c) at least one aft cavity within the plug body and substantially aft of the forward cavity; and (d) a wall separating the forward cavity from the aft cavity, the wall including a plurality of first openings therethrough; wherein the outer skin includes a second plurality of ope...