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    • 7. 发明授权
    • Air circulation device
    • 空气循环装置
    • US07419368B2
    • 2008-09-02
    • US10038062
    • 2002-01-04
    • Stephen A. Milks
    • Stephen A. Milks
    • F04B17/03H02K21/26
    • F04D25/08
    • The present invention is directed towards an air circulation device. The air circulation device is capable of producing and directing an air current to a desired location. The air current is used to circulate stagnant air which, in turn, provides a cooling effect. Advantageously, the device is electrically powered by 12-volt direct current (DC) but is capable of producing an air current of a magnitude similar to or greater than that produced by air circulation devices which are powered by 120-volt alternating current (AC). Further, the device contains at least one retractable elongated support which allows the device to stand upright on a flat surface when the support is in an extended position. When the device is not in use, the support may be retracted so as to be protected from being damaged during transport. Still further, the device is manufactured of a polymeric material and the motor and bearings of the device are sealed. As a result, the device may be easily and safely cleaned using a liquid solution applied by a high pressure device such as a hose.
    • 本发明涉及一种空气循环装置。 空气循环装置能够产生和引导气流到期望的位置。 气流用于循环停滞的空气,这又提供了冷却效果。 有利地,该装置由12伏直流电(DC)电力供电,但是能够产生大于或等于由120伏交流电(AC)供电的空气循环装置所产生的气流的大小的气流, 。 此外,该装置包含至少一个可伸缩的细长支撑件,当支撑件处于伸出位置时,允许该装置在平坦表面上直立。 当设备不使用时,可以缩回支撑件,以防止在运输过程中损坏。 此外,该装置由聚合物材料制成,该装置的电动机和轴承被密封。 结果,可以使用由诸如软管的高压装置施加的液体溶液来容易且安全地清洁该装置。
    • 8. 发明授权
    • Roof vent fan assembly
    • 屋顶通风扇总成
    • US4633769A
    • 1987-01-06
    • US787200
    • 1985-10-15
    • Stephen A. Milks
    • Stephen A. Milks
    • F24F7/02
    • F24F7/025
    • A power roof vent fan assembly having a motor and fan mounted in a body spanning an opening in the roof of an enclosure. The motor is mounted in H-shaped cross brace assembly having reinforcing ribs for vibration dampening. A shroud is secured to the body which supports a screen and includes a trim flange which forms a pocket in conjunction with the body. A bezel is telescopically received within the pocket and secured to the lower surface of the roof. A cover is provided over the top end of the assembly which is hinged on one end and adapted to be opened and closed by a cover lifting mechanism located within the pocket. The fan motor is controlled by a speed control switch also located within the pocket. The pocket in which the switch is retained includes ventilation openings for aiding heat dissipation from the switch.
    • 一种电动屋顶通风扇组件,其具有安装在主体中的电动机和风扇,跨过壳体的顶部的开口。 电动机安装在具有用于减振的加强肋的H形交叉支架组件中。 护罩固定在主体上,该主体支撑着屏幕,并且包括与主体结合形成口袋的装饰凸缘。 一个挡板可伸缩地收纳在口袋内并固定在屋顶的下表面。 一个盖子设置在组件的顶端上,铰链在一端上,并且适于由位于袋内的盖提升机构打开和关闭。 风扇电机由位于口袋内的速度控制开关控制。 保持开关的口袋包括用于帮助开关散热的通风口。