Mechanical noise suppressor for small rocket motors

Details Mechanical noise suppressor for small rocket motors Mechanical noise suppressor for small rocket motors

1980-09-02

1982-03-16

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181258, F01N 124

Patent

active

043196608

ABSTRACT:
A noise suppressor for small rocket motors including a plurality of perfoed 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.

REFERENCES:
patent: 1127250 (1915-02-01), Humm
patent: 1554534 (1925-09-01), Straussler
patent: 2855068 (1958-10-01), Chapel
patent: 3521429 (1970-07-01), Leffler

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