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    • 1. 发明授权
    • Vacuum cleaner suction tool with partition defining air current dust pickup path
    • 真空吸尘器吸气工具,带有限定气流粉尘拾取路径的分隔件
    • US06539577B1
    • 2003-04-01
    • US09537136
    • 2000-03-29
    • Atsushi OkudaAtuo HamadaSouji SakataKazuyoshi YoshimiKazumasa KamataniNobuaki TakahashiSyuzo UeyamaNaoki Suetugu
    • Atsushi OkudaAtuo HamadaSouji SakataKazuyoshi YoshimiKazumasa KamataniNobuaki TakahashiSyuzo UeyamaNaoki Suetugu
    • A47L904
    • A47L9/04A47L5/30
    • An upright electric cleaning device includes a floor suction tool formed with a long suction opening on the bottom surface thereof. A rotating brush holding chamber holds a rotating brush that extends to this long suction opening. A suction opening leading to the main cleaning device unit is formed toward one end of the rear wall of the rotating brush holding chamber. A rib, formed on the upper section of the rotating brush holding chamber, extends along the length of the rotating brush, near the rotation path of the rotating brush. An air current path is formed to take dust drawn up by the rotating brush and stopped by the rib and suck it into the suction opening leading to the main cleaning device unit. The air current path is shaped so that its cross section is smaller at an end of the air current path remote from the suction opening than it is near the suction opening to increase flow speed at the remote end. In one embodiment, an opening to the outside is formed at the remote end of the air current path to enhance air flow toward the suction opening. In a further embodiment, the enhanced air flow if further improved by venting exhaust air from the main cleaning device into the opening to positively improve air flow.
    • 立式电动清洁装置包括在其底表面上形成有长吸入口的地板吸入工具。 旋转刷保持室保持延伸到该长吸入口的旋转刷。 通向主清洁装置单元的吸入口朝向旋转刷保持室的后壁的一端形成。 形成在旋转刷保持室的上部的肋沿着旋转刷的长度在旋转刷的旋转路径附近延伸。 形成气流路径,以吸收由旋转刷牵引并由肋停止的灰尘并将其吸入通向主清洁装置单元的吸入口。 气流路径的形状使得其远离吸入口的气流路径的端部处的截面小于其在吸入口附近的横截面,以增加远端的流速。 在一个实施例中,在气流路径的远端处形成有一个到外部的开口,以增强朝向吸入口的气流。 在另一个实施例中,如果通过将排气从主清洁装置排放到开口中而进一步改善,则增强的空气流积极地改善空气流。
    • 5. 发明授权
    • Vane angle changing device for an axial fluid machine
    • 用于轴流式机械的叶片角度更换装置
    • US4618311A
    • 1986-10-21
    • US511734
    • 1983-07-07
    • Haruo MiuraTakashi NagaokaYoshiaki AbeSouji Sakata
    • Haruo MiuraTakashi NagaokaYoshiaki AbeSouji Sakata
    • F04D29/56F01D17/16F04D29/36
    • F01D17/16F01D17/162
    • A device for changing and attaching or mounting an angle of stationary vanes of an axial-flow fluid machine by rotating the stationary vanes through a circumferential movement of an intermediate cylinder. The device includes at least one arm secured to one end of the intermediate cylinder and engaging at a second end in a groove formed in a block member which is attached to an end of an actuator and is movable in a tangential direction of the intermediate cylinder. A guide arrangement is provided for guiding a movement of the block member and at least a portion of the actuator so as to ensure a smooth operation of the actuator by freeing the same from any influence of undesireable forces such as lateral pressure caused by a thermal expansion of the intermediate cylinder.
    • 一种用于通过使中间圆筒的周向运动旋转固定叶片来改变和附接或安装轴流式流体机械的静止叶片角度的装置。 该装置包括至少一个臂,固定到中间圆筒的一端,并且在第二端处接合在形成在块构件中的凹槽中,该凹槽附接到致动器的端部并且可沿中间圆筒的切线方向移动。 引导装置用于引导块件和致动器的至少一部分的运动,以便确保致动器的平稳操作,使其不受任何不希望的力的影响,例如由热膨胀引起的侧向压力 的中间圆筒。