A blower assembly includes a housing having an air inlet side and a scrolled wall, a motor having an output shaft extending within the housing, and an airflow outlet. A wheel is mounted to the output shaft for rotation within the housing and has a plurality of blades for creating an airflow along the scrolled wall. An inlet ring is supported by the air inlet side of the housing and includes a labyrinth seal portion to limit recirculation of air from the airflow. The labyrinth seal portion has an exterior surface along which ambient air entering the housing flows from a proximal end to a distal end, and a guide extends from the exterior surface downstream of the proximal end. The labyrinth seal portion may be hook shaped or otherwise dimensioned to the blade tip. The guide may extend from the distal end or from the exterior surface along a portion of the inlet ring. In another embodiment, the exterior surface of the labyrinth seal portion and an exterior surface of the guide may form a smooth curve.


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    Titel :

    BLOWER ASSEMBLY FOR A VEHICLE


    Beteiligte:

    Erscheinungsdatum :

    2018-05-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    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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