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    • 34. 发明授权
    • Oscillating window fan
    • 振荡窗扇
    • US5743709A
    • 1998-04-28
    • US458145
    • 1995-06-01
    • Rodney B. JaneJui-Shang WangRobert L. Marvin, Jr.John Longan
    • Rodney B. JaneJui-Shang WangRobert L. Marvin, Jr.John Longan
    • F04D25/10F04D25/12F24F7/013F04D29/70
    • F24F7/013F04D25/105F04D25/12F24F2221/12F24F2221/20
    • A portable electric window fan including a housing having side walls, a bottom wall for mounting on a sill of a window, a top wall for engaging a sash of the window, a front wall defining an air outlet, a rear wall defining an air inlet, and the walls together defining a closed chamber communicating with the inlet and outlet. Also included is a fan mount supported by the housing for rotation on a first axis; a drive shaft supported in the chamber on the fan mount and having a second axis transverse to the first axis; an electric drive motor coupled to the drive shaft and operable to produce rotation thereof; a fan blade fixed to the drive shaft for rotation therewith within the chamber; and an electrically powered drive mechanism coupled to the fan mount and operable to produce reciprocating rotation thereof on the first axis.
    • 一种便携式电动窗扇,包括具有侧壁的壳体,用于安装在窗台上的底壁,用于接合窗户窗扇的顶壁,限定出气口的前壁,限定空气入口的后壁 ,并且壁一起限定与入口和出口连通的封闭室。 还包括由壳体支撑的风扇安装件,用于在第一轴线上旋转; 驱动轴,其支撑在所述风扇安装件中的所述腔室中,并且具有横向于所述第一轴线的第二轴线; 电驱动马达,其耦合到所述驱动轴并且可操作以产生其旋转; 风扇叶片固定到所述驱动轴以在所述室内旋转; 以及电动驱动机构,其联接到所述风扇安装件并且可操作以在所述第一轴线上产生其往复旋转。