The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 1992
Filed:
Apr. 26, 1991
Delbert W Torkelson, Claremore, OK (US);
Nordam, Tulsa, OK (US);
Abstract
A noise suppressor for use with a turbofan engine, the suppressor being formed of a tubular exhaust shroud affixed to the engine exhaust end, the shroud providing an internal circumferential surface, a flow mixture affixed to the engine exhaust end, an elongated centerbody supported within the exhaust shroud and having an external cross-sectional area less than the internal cross-sectional area of the shroud providing an annular area through which thrust producing exhaust gases of the engine pass, acoustic lining affixed to a substantial portion of the internal circumferential area of the exhaust shroud in the portion thereof receiving the centerbody, and acoustical lining affixed to a substantial portion of the exterior area of the centerbody in the area thereof received within the exhaust shroud so that thereby the thrust producing gases pass through an area of reduced channel height. A substantial portion of the annular area through which the gases pass is encompassed by acoustical lining.