PROBLEM TO BE SOLVED: To attain a sufficient amount of blown air at a centrifugal blower by making an appropriate relation of flow passage resistance between an indoor flowing passage and an outdoor flowing passage.SOLUTION: One-side suction type centrifugal blower (1) for a vehicle in accordance with one preferred embodiment of this invention shows a feature that outside air is introduced from at least one outside air introducing port (25) into an air feeding housing (21) and a ratio between a sectional area (E1) of an outdoor passing region measured at a position of a downstream side plane of a filter (35) housed in a filter housing part (36) when a bilayer flow mode where indoor air is fed from at least one of indoor air introduction ports (26, 27) is carried out and a sectional area (R1) of the indoor air passing region is substantially the same as that of a sectional area (E3) of a first air flow passage (18) and a sectional area (R3) of a second air flow passage (19) measured at a position of a discharging outlet (170) of a scroll housing (17).SELECTED DRAWING: Figure 1

    【課題】遠心送風機において、内気の通過経路及び外気の通過経路の流路抵抗の関係を適正化することにより、十分な吹出風量を達成する。【解決手段】本発明の一実施形態に係る車両用の片吸込型の遠心送風機(1)は、空気取入ハウジング(21)内に、少なくとも1つの外気導入口(25)から外気が導入されるとともに、少なくとも1つの内気導入口(26,27)から内気が導入される二層流モードが実行されるときにおける、フィルタ収容部(36)に収容されるフィルタ(35)の下流側面の位置で測定した外気通過領域の断面積(E1)と内気通過領域の断面積(R1)との比が、スクロールハウジング(17)の吐出口(170)の位置で測定した第1空気流路(18)の断面積(E3)と第2空気流路(19)の断面積(R3)との比と略同じである。【選択図】図1


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    Titel :

    CENTRIFUGAL BLOWER


    Weitere Titelangaben:

    遠心送風機


    Beteiligte:
    NAGANO HIDEKI (Autor:in) / ARAKI DAISUKE (Autor:in) / HAYASHI NAOTO (Autor:in)

    Erscheinungsdatum :

    2018-06-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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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