Runner noise damping means

The utility model relates to a runner noise damping means, including air pipe (1) and well low frequency chamber pipe sound absorbing structure (4), wherein air pipe (1) inboard wall coupling has welllow frequency chamber pipe sound absorbing structure (4), well low frequency chamber pipe sound abso...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU BO, YANG MINGSUI, LUO WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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