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    • 23. 发明公开
    • Fan assembly for vehicles
    • GebläsevorrichtungfüFahrzeuge
    • EP2517916A1
    • 2012-10-31
    • EP12165285.3
    • 2012-04-24
    • DENSO THERMAL SYSTEMS S.p.A.
    • Durello, PaoloMercogliano, Francesco
    • B60K11/02F04D29/52
    • F04D29/663B60K11/02F01P1/06F01P5/02F04D19/002F04D25/02F04D29/164F04D29/325F04D29/326F04D29/526
    • A fan assembly (10) comprising:
      a shroud (12) having a through opening (14), around which the shroud defines an air conveying ring (17),
      a motor-fan assembly (20) which includes an axial fan (22) rotatable with respect to the support about an axis of rotation (X), and
      a noise-reducing annular structure (34; 134), having
      - a plurality of projections (36; 137) which are arranged in succession in a circumferential direction and extend radially towards the axis of rotation (X) of the fan, each projection having a face (38; 138) which is directed towards the axis of rotation and is substantially parallel thereto, and
      - a plurality of portions (43; 136, 144) radially recessed towards the air conveying ring (17).


      Each of the recessed portions has a face (44; 143, 144) which is directed towards the axis of rotation (X) of the fan and the profile of which in the axial direction is generally curvilinear and not parallel to the axis of rotation.
    • 1.一种风扇组件(10),包括:具有通孔(14)的护罩(12),所述护罩围绕所述通孔限定空气输送环(17);电动机 - 风扇组件(20),其包括轴流风扇(22) 相对于所述支撑件围绕旋转轴线(X)可旋转;以及减噪环形结构(34; 134),具有多个突起(36; 137),所述多个突起沿圆周方向依次布置并延伸 径向地朝向风扇的旋转轴线(X),每个突起具有指向旋转轴线并基本上与其平行的面(38; 138),以及 - 多个部分(43; 136,144) 朝向空气输送环(17)径向凹入。 每个凹部具有面向风扇轴线(X)的面(44; 143,144),并且其轴向方向上的轮廓通常是曲线的并且不平行于旋转轴线。