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    • 3. 发明授权
    • Low drag fan assembly
    • 低牵引风扇总成
    • US5860788A
    • 1999-01-19
    • US663714
    • 1996-06-14
    • Bradford T. Sorensen
    • Bradford T. Sorensen
    • F04D25/08F04D25/16F04D29/38
    • F04D25/088F04D25/166
    • A fan assembly includes a circular first array of first fan blades; a first primary ring member supportively connecting inner extremities of the first blades about a fan axis, respective end extremities of at least a majority of the first blades defining inside and outside diameters of the array, the first blades being oriented for producing a primary axial fluid flow between the inside and outside diameters in response to rotation of the first ring member, the first ring member extending between the inside and outside diameters. A second primary ring member connects outer extremities of the first blades, the first blades in combination with the first ring member defining a generally circular opening about the fan axis. Optionally a circular second array of a plurality of second blades that are oriented for producing secondary axial fluid flow in an opposite direction relative to the primary axial fluid flow, a secondary ring connecting outer extremities of second blades, end extremities of at least a majority of the second blades defining an outside diameter of the second array. A plurality of spokes extend inwardly from the first primary ring member for rotatably supporting the first primary ring member, a hub connecting the spokes to a rotating element, the second blades also being held in fixed relation to the spokes, whereby, when the rotating element is being rotated for producing the primary axial flow, an unimpeded secondary axial flow is produced within the opening outside of the secondary ring.
    • 风扇组件包括第一风扇叶片的圆形第一阵列; 第一主环构件,其围绕风扇轴线支撑地连接第一叶片的内端,至少大部分第一叶片的相应末端限定阵列的内径和外径,第一叶片被定向成用于产生主轴向流体 响应于第一环构件的旋转而在内径和外径之间流动,第一环构件在内径和外径之间延伸。 第二主环构件连接第一叶片的外端,第一叶片与第一环构件组合限定围绕风扇轴线的大致圆形的开口。 可选地,多个第二叶片的圆形第二阵列被定向成相对于主轴向流体流沿相反方向产生第二轴向流体流,连接第二叶片的外端的次级环,至少大部分 所述第二叶片限定所述第二阵列的外径。 多个轮辐从第一主环构件向内延伸,用于可旋转地支撑第一主环构件,将轮辐连接到旋转元件的轮毂,第二叶片也保持与轮辐的固定关系,由此当旋转元件 正在旋转以产生主轴向流动,在次级环的外部的开口内产生无阻碍的次级轴向流动。
    • 6. 发明申请
    • Novel fan blade of a ceiling fan
    • 吊扇的新风扇叶片
    • US20070122286A1
    • 2007-05-31
    • US11517509
    • 2006-09-08
    • Chun LeungJun Zhao
    • Chun LeungJun Zhao
    • F04D29/34
    • F04D29/384F04D25/088
    • The present invention relates to novel fan blade of a ceiling fan, wherein whole or partial perimeter of the blades was designed to project outwardly, for example, the cross section of the outwardly perimeter of the fan blade can be presented in a shape of circular arc, oval, taper with circular arc, obliquity with circular arc, truncated taper, truncated oblique or taper with circular arc in which two sides of the projecting base have a raised bench. A comparison test showed that, the rotational speed and air volume of the novel fan blade according to the present invention is 15-24% and 5-10% greater than those of the traditional fan blades respectively, therefore resulting in saving of materials and energy.
    • 本发明涉及吊扇的新型风扇叶片,其中叶片的全部或部分周边被设计成向外突出,例如,风扇叶片的外周的横截面可以呈圆弧形 椭圆形,圆弧形圆锥形,圆弧倾斜,截锥形,圆弧形斜截锥形或锥形,突出底座的两侧具有升高的台架。 比较试验表明,根据本发明的新型风扇叶片的转速和风量分别比传统风扇叶片大15-24%和5-10%,从而节省材料和能量 。
    • 7. 发明申请
    • Mounting mechanism for ceiling fan outer casing
    • 吊扇外壳安装机构
    • US20030210983A1
    • 2003-11-13
    • US10301574
    • 2002-11-22
    • SHELL ELECTRIC MFG. (HOLDINGS) CO., LTD.
    • Yau Yung
    • F04D029/64
    • F04D25/088
    • The present utility model relates to an improved mounting mechanism for ceiling fan outer casing. The ceiling fan outer casing is fixed on the support of the motor through mounting members, the mounting members comprising a pair of convex fixing members and a pair of concave fixing members corresponding to and matched in use with said convex fixing members, on each of said convex fixing members is provided a pair of protruding elements transversely spaced and arranged in parallel, the upper end of said two protruding elements is each provided at one outward side with a hook respectively, on each of said concave fixing members is provided a receiving groove which has one end opening and is inverted nullYnull in shape receiving said convex fixing members, the two opposite sides of one end of said receiving groove are provided respectively with recessed portions matched with said hooks.
    • 本实用新型涉及一种改进的吊扇外壳安装机构。 吊扇外壳通过安装构件固定在电动机的支撑件上,安装构件包括一对凸起固定构件和一对凹形固定构件,与所述凸起固定构件对应并配合使用, 凸形固定构件设置有一对横向间隔并平行布置的突出元件,所述两个突出元件的上端分别设置在一个向外的侧面上,在每个所述凹形固定构件上设置有容纳槽, 具有一个端部开口并且在接收所述凸形固定构件的状态下被倒置为“Y”,所述接收槽的一端的两个相对侧分别设置有与所述钩匹配的凹部。