Accession Number : ADD007797
Title : Mechanical Noise Suppressor for Small Rocket Motors.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC
Personal Author(s) : Bishop,Charles R
Report Date : 02 Sep 1980
Pagination or Media Count : 5
Abstract : This invention relates to a noise suppressor for small rocket motors including a plurality of perforated metal cylinders disposed in concentric relation and secured to a support plate. A noise suppression material is disposed in the chamber of each adjacent cylinder. Noise suppression material is also disposed in the center cylinder and is expelled by the rocket motor thrust. A collar on the support plate secures the motor to the suppressor.
Descriptors : *Patent applications, *Rocket engines, *Noise reduction, Inventions, Noise, Suppressors, Mesh, Screens(Woven materials), Metals
Subject Categories : Acoustics
Distribution Statement : APPROVED FOR PUBLIC RELEASE