To provide a blower having a resonance chamber which can change a frequency of a sound which is muffled, and an air conditioner.SOLUTION: A blower (2) comprises: an impeller (4); a scroll housing (6) for accommodating the impeller (4); an air take-in housing (10) connected to the scroll housing (6), and having an outside air take-in port (11) and an inside air take-in port (12); and changeover doors (50, 55) for opening and closing the outside air take-in port (11) and the inside air take-in port (12). The air take-in housing (10) also has a resonance chamber (80) having an internal space communicating an internal space of the air take-in housing (10) through a communication port (81) formed along a raceway surface (S) of the changeover door (50). The changeover doors can change an opening area of the communication port (81).SELECTED DRAWING: Figure 3

    【課題】消音される音の周波数を変更可能な共鳴室を有する送風機および空調装置を提供する。【解決手段】送風機(2)は、羽根車(4)と、羽根車(4)を収容するスクロールハウジング(6)と、スクロールハウジング(6)に接続され、外気取入口(11)と内気取入口(12)とを有する空気取入ハウジング(10)と、外気取入口(11)及び内気取入口(12)の開閉を行う切替ドア(50,55)と、を備えている。空気取入ハウジング(10)は、さらに、切替ドア(50)の軌道面(S)に沿って設けられた連通口(81)を通じて空気取入ハウジング(10)の内部空間と連通する内部空間を有する共鳴室(80)を有する。切替ドアは、連通口(81)の開口面積を変更可能である【選択図】図3


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    Title :

    BLOWER AND AIR CONDITIONER


    Additional title:

    送風機および空調装置


    Contributors:

    Publication date :

    2020-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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