Box-shaped soundproof structure and transportation apparatus

Provided is a box-shaped soundproof structure that is small and light and can sufficiently reduce noise with a natural frequency of a sound source. A box at least a part of which is opened; and a sound reduction structure including a resonator disposed in the box are included, and a sound generated...

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Bibliographische Detailangaben
Hauptverfasser:	Hakuta, Shinya, Yamazoe, Shogo
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	Provided is a box-shaped soundproof structure that is small and light and can sufficiently reduce noise with a natural frequency of a sound source. A box at least a part of which is opened; and a sound reduction structure including a resonator disposed in the box are included, and a sound generated from a sound source disposed in contact with an outer surface of a wall of the box or in the box and emitted from an open surface of the box to the outside is reduced by the sound reduction structure.