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
      Rocket Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE