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    • 1. 发明申请
    • AN IMPROVEMENT IN RAM AIR TURBINES
    • RAM空气涡轮机的改进
    • WO1991011677A1
    • 1991-08-08
    • PCT/NO1991000012
    • 1991-02-01
    • NORSK FORSVARSTEKNOLOGI A/SOLSEN, Sten, OveODDEN, Vidar
    • NORSK FORSVARSTEKNOLOGI A/S
    • F42C15/295
    • F42C15/295F05B2220/10
    • An improvement in ram air turbines, especially for missiles comprising a device for limitation of the range of the velocity of rotation of the turbine, the turbine comprising a ram air inlet (10) for first and second passages or ducts (30, 31) respectively, the first passage (30) conducting air to the turbine runner (15) for driving the latter. According to the invention the second passage is connected to a common outlet (17) for the two passages (30, 31) via a device (20) comprising at least one member or portion (23), e.g. flaps or tongues. The member (23) is adapted to exert a variable resistance to the air flowing through the second passage (31), whereby the air resistance coefficient of the member (23) decreases upon increasing missile velocity.
    • 压头空气涡轮机的改进,特别是用于导弹的改进,包括用于限制涡轮机的旋转速度范围的装置,涡轮机分别包括用于第一和第二通道或管道(30,31)的冲压空气入口(10) ,所述第一通道(30)将空气传导到所述涡轮转轮(15)以驱动所述涡轮转轮。 根据本发明,第二通道经由包括至少一个构件或部分(23)的装置(20)连接到用于两个通道(30,31)的公共出口(17)。 襟翼或舌头 构件(23)适于对流过第二通道(31)的空气施加可变阻力,由此,构件(23)的空气阻力系数随着导弹速度的增加而降低。