Monitor boom incorporating twin-jet nozzle apparatus
    1.
    发明授权
    Monitor boom incorporating twin-jet nozzle apparatus 失效
    监视器加入双喷嘴装置

    公开(公告)号:US3604627A

    公开(公告)日:1971-09-14

    申请号:US3604627D

    申请日:1970-02-24

    CPC classification number: E21C25/60 A62C31/24

    Abstract: A remotely controlled twin-jet monitor apparatus is mounted on the end of an articulated water-conducting boom or arm, and is so constructed that the two jets emanating therefrom never create any resultant torque about the vertical axis through the mast for the boom. Accordingly, the boom may be made extremely large yet light in weight, and may be manipulated by small and low-power motor means. Means are provided to effect simultaneous rotation of both jets, and to change the angles of the jets relative to a predetermined plane, but without creating the indicated resultant torque.

    Airport runway fire-fighting system and apparatus
    2.
    发明授权
    Airport runway fire-fighting system and apparatus 失效
    机场跑道消防系统和设备

    公开(公告)号:US3583637A

    公开(公告)日:1971-06-08

    申请号:US3583637D

    申请日:1969-04-14

    Inventor: MISCOVICH JOHN A

    CPC classification number: A62C37/00

    Abstract: A remote controlled fire-fighting apparatus which remains completely below the ground surface when not in use. When the apparatus is to be used, a hatch covering the unit is opened and the nozzle raised to its operating position. The discharge nozzle can then be rotated in horizontal and/or vertical planes and directed at the source of the fire. After the fire has been extinguished, the apparatus is retracted into its underground housing and the hatch above it replaced. Numerous units of the apparatus are disposed along the runway and are remote controlled to form an integrated fire-fighting system.

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