AIR CONDITIONING AIR DUCT

PROBLEM TO BE SOLVED: To provide an air conditioning air duct cylindrically formed by a foam sheet, which prevents an occupant from feeling unpleasant due to the difficulty in the conversation between occupants in the automobile caused by propagating in a duct the noise produced by a fan of an air c...

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Bibliographische Detailangaben
Hauptverfasser:	MIZOBUCHI KENSUKE, KUMADA HIROHITO, OGATA NOBUHIKO, NISHIMURA KATSUJI, YANAGIHARA MASANOBU, ODANO MAYUMI, IKEDA HIROSHI, TAKAHASHI RIKA, NAKAMURA KENICHI, KODACHI OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an air conditioning air duct cylindrically formed by a foam sheet, which prevents an occupant from feeling unpleasant due to the difficulty in the conversation between occupants in the automobile caused by propagating in a duct the noise produced by a fan of an air conditioner unit and fluid sound due to blowing, by having sufficient sound absorption performance. SOLUTION: Foam sheets 12, 14 forming an air conditioning air duct 10 have a double-layered structure formed by integrating an open cell layer 20 on the inside and a closed cell layer 24 on the outside. COPYRIGHT: (C)2010,JPO&INPIT