To provide a vehicle centrifugal blower which includes a sirocco fan and prevents the fan from being moved in a rotation direction relative to a motor shaft in a more reliable manner.SOLUTION: A vehicle centrifugal blower 1 pumps air to an air conditioning unit mounted on a vehicle and includes: a sirocco fan 3 having a shaft fixing part 3d in which a motor shaft 4a is press-fitted in a penetration manner and a boss part 3e erected from a top surface of the shaft fixing part 3d along the motor shaft 4a; and a rotation prevention member 5 in which a tip of the motor shaft 4a protruding from the shaft fixing part 3d is press-fitted and which has a through hole 5a through which the boss part 3e penetrates. The rotation prevention member 5 is sandwiched between a tip of the boss part 3e expanded by plastic deformation and the top surface of the shaft fixing part 3d.SELECTED DRAWING: Figure 1

    【課題】シロッコファンを備える車両用遠心送風機において、ファンがモータシャフトに対して回転方向に移動されることをより確実に防止する。【解決手段】車両に搭載された空調ユニットに対して、空気を圧送する車両用遠心送風機1であって、モータシャフト4aが貫通状態で圧入されるシャフト固定部3d、及び、シャフト固定部3dの頂面からモータシャフト4aに沿って立設されたボス部3eを有するシロッコファン3と、シャフト固定部3dから突出したモータシャフト4aの先端部が圧入されると共に、ボス部3eが貫通する貫通孔5aを有する回転防止部材5とを備え、回転防止部材5が、塑性変形により膨出されたボス部3eの先端部と、シャフト固定部3dの頂面とによって挟持されている。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    VEHICLE CENTRIFUGAL BLOWER


    Additional title:

    車両用遠心送風機


    Contributors:

    Publication date :

    2021-03-01


    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



    CENTRIFUGAL BLOWER

    SAKURAI YUSAKU / SAHU ASHISH / NAGANO HIDEKI et al. | European Patent Office | 2023

    Free access

    CENTRIFUGAL BLOWER

    NAGANO HIDEKI / ARAKI DAISUKE / HAYASHI NAOTO | European Patent Office | 2018

    Free access

    CENTRIFUGAL BLOWER

    UNI MASAHIKO | European Patent Office | 2021

    Free access

    CENTRIFUGAL BLOWER

    SAKURAI YUSAKU / SAHU ASHISH / NAGANO HIDEKI et al. | European Patent Office | 2021

    Free access

    CENTRIFUGAL BLOWER

    SUZUKI YOSHIHIRO | European Patent Office | 2020

    Free access