Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2005-07-26
2005-07-26
San Martin, Edgardo (Department: 2837)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C181S213000, C181S210000, C244S05300R
Reexamination Certificate
active
06920958
ABSTRACT:
An aircraft engine assembly is provided that is adapted to reduce noise produced by an engine included in the engine assembly. The engine assembly includes a nacelle having an inlet section and a main section that is houses the engine and fan assembly associated with the engine. The inlet section is coupled to the main section at a main bulkhead junction between the inlet section and the main section. A one piece annular acoustic panel is located within a recess in an internal wall of the nacelle. The annular acoustic panel extends from a forward portion of the inlet section to a forward portion of the main section such that the bulkhead is covered by the annular acoustic panel.
REFERENCES:
patent: 3477231 (1969-11-01), Paulson
patent: 3964568 (1976-06-01), Neumann
patent: 4235303 (1980-11-01), Dhoore et al.
patent: 4484856 (1984-11-01), Patacca
patent: 4732532 (1988-03-01), Schwaller et al.
patent: 4759513 (1988-07-01), Birbragher
patent: 5025888 (1991-06-01), Arcas et al.
patent: 5167118 (1992-12-01), Torkelson
patent: 5169288 (1992-12-01), Gliebe et al.
patent: 5259724 (1993-11-01), Liston et al.
patent: 5478199 (1995-12-01), Gliebe
patent: 6360989 (2002-03-01), Maguire
patent: 6505706 (2003-01-01), Tse
patent: 6761245 (2004-07-01), Porte
patent: 2004/0094359 (2004-05-01), Porte et al.
patent: 2001391 (1979-01-01), None
patent: 2273131 (1994-06-01), None
Harness & Dickey & Pierce P.L.C.
Martin Edgardo San
The Boeing Company
LandOfFree
Annular acoustic panel does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Annular acoustic panel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Annular acoustic panel will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3396536