US PATENT SUBCLASS 181 / 229
.~.~ Carburetor, burner, or compressor intake 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}
229.~.~ Carburetor, burner, or compressor intake silencer


DEFINITION

Classification: 181/229

Carburetor, burner, or compressor intake silencer:

(under subclass 212) Subject matter wherein the fluid conducting attenuating device is mounted on a carburetor (air intake) of an internal-combustion engine.

(1) Note. Subject matter of this subclass type includes, for example, devices designed for attenuating air intake noise for gasoline engines, compressors, and burners.

(2) Note. For structure claimed in combination with the silencer and which goes beyond the scope of this class, such as specific motor structure, or specific art device, search the appropriate art classes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

214, for air intake silencers for jet or reaction engines.