A centrifugal blower unit for motor vehicle air conditioning systems having a fan wheel (8) in a spiral housing (1), wherein the spiral housing (1) corresponds to the shape of the fan wheel (8) and has a bell mouth region (3) and an axial intake opening (2), wherein a diaphragm (4) is arranged at the bell mouth region (3) of the spiral housing (1), being radially inward, whose diaphragm end region (5) bordering the intake opening (2) has at least one sharp edge.


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    Title :

    Centrifugal blower unit


    Contributors:
    DEGENHARDT OLAF (author) / SIEVERS ECKART (author) / JUNG HARALD (author) / ESSER NICO (author)

    Publication date :

    2019-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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