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    • 74. 发明授权
    • Method and flutter brake for an aircraft
    • 一种飞机的方法和颤振制动
    • US4615497A
    • 1986-10-07
    • US821217
    • 1986-01-21
    • Hartwig SeelerHelmut Zimmermann
    • Hartwig SeelerHelmut Zimmermann
    • B64C13/16
    • B64C13/16
    • The invention relates to a method and an arrangement for the wings of a h speed aircraft, for increasing the flutter velocity. Aerodynamic auxiliary flaps or vortex generators are placed into an effective position in response to filtered sensor signals for causing a reduction in the local lift rise or for shifting the local neutral point toward the wing trailing edge to thereby provide an effective "flutter brake". The auxiliary flaps or vortex generators are activated only once when needed and stay in an activated effective position for a length of time sufficient for increasing the flutter velocity or speed and the activation takes place rapidly in about 200 to 400 milliseconds from the time the sensors pick up or provide a signal for such activation.
    • 本发明涉及一种用于增加颤振速度的用于高速飞行器的机翼的方法和装置。 响应于过滤的传感器信号,将空气动力学辅助翼片或涡流发生器置于有效位置,用于引起局部升高降低或使局部中性点朝向机翼后缘移动,从而提供有效的“颤振制动”。 辅助襟翼或涡流发生器在需要时仅被激活一次,并保持在激活的有效位置一段足以增加颤振速度或速度的时间,并且激活在传感器拾取时间的大约200至400毫秒内快速发生 或提供这种激活的信号。
    • 77. 发明授权
    • Thrust nozzle system
    • 推力喷嘴系统
    • US4589594A
    • 1986-05-20
    • US605286
    • 1984-04-30
    • Walter Kranz
    • Walter Kranz
    • F02K1/78F02K9/80F42B19/01F42B15/033
    • F42B10/663
    • The invention relates to a thrust nozzle system, especially for steering arojectile, having a nozzle arrangement (3) which is fed by a propellant source, for example a gas source. The nozzle system is arranged in a housing having at least one exhaust port (11) provided in the housing, and has a control (14) for steering a thrust jet (18) of the nozzle arrangement through the exhaust port. The invention provides a thrust nozzle system of simple construction which is especially suitable for a high miniaturization, and which permits a flexible thrust impulse forming. For this purpose the thrust nozzle system (2) has a rotating nozzle or a swinging nozzle body (3) which is rotatable relative to the housing about an axis, driven by the propellant, for example by the gas stream (P) from the gas source. The drive of the rotating nozzle body is preferably achieved by an acentric thrust nozzle (10) itself. Due to the low mass and hence low inertia of the nozzle body (3), it may be caused to rotate fast. A braking arrangement (14) is provided for the rotating nozzle body for steering the thrust jet (18) in a defined direction. Such a thrust nozzle system may serve for many uses, for example in conjunction with a secondary injection system or a hot gas motor.
    • 本发明涉及一种特别用于转向抛射体的推力喷嘴系统,其具有由推进剂源例如气体源供给的喷嘴装置(3)。 喷嘴系统布置在具有设置在壳体中的至少一个排气口(11)的壳体中,并且具有用于通过排气口转向喷嘴装置的推力射流(18)的控制器(14)。 本发明提供了一种结构简单的推力喷嘴系统,特别适用于高度小型化,并且允许柔性的推力冲击形成。 为此目的,推力喷嘴系统(2)具有旋转喷嘴或摆动喷嘴体(3),该主体可相对于外壳绕轴承转动,该轴线由推进剂驱动,例如来自气体的气流(P) 资源。 旋转喷嘴体的驱动优选通过中心推力喷嘴(10)本身实现。 由于喷嘴体(3)的质量低,因此惯性较小,可能会使其快速旋转。 为旋转喷嘴体提供制动装置(14),用于沿着确定的方向转向推力射流(18)。 这种推力喷嘴系统可以用于许多用途,例如与二次喷射系统或热气体马达相结合。