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    • 3. 发明授权
    • Signal balloon device
    • 信号气球装置
    • US4787575A
    • 1988-11-29
    • US18399
    • 1987-02-25
    • Ronald R. Stewart
    • Ronald R. Stewart
    • B64B1/50
    • B64B1/50
    • A signal balloon (2, 2') has an inflated configuration that is horizontally elongated with opposite tapered ends (4, 6, 4', 6'). The balloon (2, 2') is shaped and dimensioned to cause it to ascend in response to an increase in wind speed. The sidewalls of the balloon (2, 2') have light transmitting portions (10, 10') and reflective portions (12, 12'). A light (40, 40') is positioned inside the balloon (2, 2'). The light may be an electric lamp (40) connected to a power source (64) on the ground via an electrically conductive tether (34). The light (40') may also be the upper end of a fiber optic conductor tether (34') which has a lower end connected to a light source (92') on the ground. The balloon (2') is provided with pivotable lower and upper lift members (22', 24') which are connected to the tether (34') and pivot in response to changes in orientation of the tether (34') to increase the lift of the balloon (2') when the tether (34') inclines away from a vertical position.
    • 信号气球(2,2')具有水平伸长的相对的锥形端部(4,6',6')的膨胀构型。 气球(2,2')的形状和尺寸被设计成使其响应于风速的增加而上升。 球囊(2,2')的侧壁具有透光部分(10,10')和反射部分(12,12')。 一个灯(40,40')位于气球(2,2')的内部。 光可以是经由导电系绳(34)连接到地面上的电源(64)的电灯(40)。 光(40')也可以是具有连接到地面上的光源(92')的下端的光纤导体系绳(34')的上端。 气囊(2')设置有可枢转的下部和上部提升构件(22',24'),其连接到系绳(34')并且响应于系绳(34')的取向的改变而枢转,以增加 当系绳(34')从垂直位置倾斜时,提升气球(2')。