SOUND ABSORBING DEVICE FOR AIR CONDITIONER

PROBLEM TO BE SOLVED: To realize a structure, in which a sound absorbing material can be secured easily and precisely, and in which such defectives as the peeling of the sound absorbing material during its usage are not caused, at a low cost. SOLUTION: There are provided an air duct casing 10 leadin...

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Bibliographische Detailangaben
1. Verfasser:	MATSUSHITA KUNIO
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS RANGES SOUND-PRODUCING DEVICES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To realize a structure, in which a sound absorbing material can be secured easily and precisely, and in which such defectives as the peeling of the sound absorbing material during its usage are not caused, at a low cost. SOLUTION: There are provided an air duct casing 10 leading to the air outlet of a casing from a fan, a recessed part 10a that is formed at the part of the air duct casing 10, a rib 11 for holding a sound absorbing material that is provided in the recessed part 10a, a cover 12 that covers the recessed part 10a partially and has the function of the air duct casing, and the sound absorbing material 9 that is pinched between the rib 11 and the cover 12 to be provided facing an air duct.