|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||181/214 ; 181/220 ; 181/292 ; 244/207 ; 244/130|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
A noise suppression system for a jet engine, the system having a substrate formed of open cell material, a layer of microporous material covering at least a portion of one surface of the substrate, a layer of substantially non-porous material covering at least one portion of an opposite surface of the substrate, and a pressurized air source for providing pressurized air to the substrate. The substrate, the microporous material, and the non-porous material are configured to define an inner surface of an inlet for the jet engine. The pressurized air is com...
[ What is claimed is:] [1.] A noise suppression system for a jet engine, the system comprising:a) a substrate formed of open cell material;b) a layer of microporous material covering at least a portion of one surface of the substrate, wherein the microporous material comprises passages through which air is communicated into the inlet, each of the passages comprising a flared passage inlet, a flared passage outlet, and a constricted neck formed intermediate the passage inlet and the passage outlet, wherein:i) a diameter of the neck is approximately 0.002 ...