US PATENT SUBCLASS 181 / 218
.~.~.~ Ground installation silencer


Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
213  DF  .~.~ Reaction engine type {7}
218.~.~.~ Ground installation silencer


DEFINITION

Classification: 181/218

Ground installation silencer:

(under subclass 213) Subject matter wherein the fluid conducting device is a fixed structure with an opening to receive the tail end of a jet engine exhaust nozzle.

(1) Note. The jet engine is usually brought to the site of the structure. The structure may also be provided with multiple receiving stations.