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    • 1. 发明授权
    • Angular rate sensing apparatus and methods
    • 角速率检测装置及方法
    • US4467984A
    • 1984-08-28
    • US206195
    • 1980-11-12
    • Thomas B. Tippetts
    • Thomas B. Tippetts
    • G01C19/00G01C19/58G01P3/26G01P9/00B64C13/16F15C1/04F15C1/06F15C3/00
    • G01C19/58G01P3/266Y10T137/212Y10T137/218Y10T137/2202Y10T137/2224
    • A three-axis navigational guidance system utilizes three specially designed internal jet-type fluidic angular rate sensors which simultaneously sense the rotational rate of a guided body relative to three mutually perpendicular control axes. Fluidic output signals from the sensors are converted to electrical signals which are used to maintain the body in a preselected attitude relative to each of the three axes. The sensors are rendered extremely accurate by means of unique calibration mechanisms associated therewith which compensate for or correct for fabricational inaccuracies in the sensors. The operation of the rate sensing portion of the guidance system is environmentally stabilized by a novel jet-control system which automatically maintains the Reynolds number of each sensor jet within a predetermined range to thereby substantially eliminate jet drift.
    • 三轴导航引导系统采用三个专门设计的内部喷射型流体角速度传感器,它同时感测导向体相对于三个相互垂直的控制轴的旋转速度。 来自传感器的流体输出信号被转换成电信号,其用于将主体相对于三个轴中的每一个保持在预选的姿态。 传感器通过与之相关的独特的校准机构变得非常精确,这些校准机制可补偿或纠正传感器中的制造不准确。 引导系统的速率感测部分的操作通过新颖的喷射控制系统进行环境稳定,该喷射控制系统将每个传感器喷嘴的雷诺数自动维持在预定范围内,从而基本上消除喷射漂移。
    • 7. 发明授权
    • Fluidic approach power compensator control system
    • 流体动力补偿器控制系统
    • US4019697A
    • 1977-04-26
    • US607530
    • 1975-08-25
    • Thomas B. Tippetts
    • Thomas B. Tippetts
    • B64D37/00F15C1/00G05D1/06
    • G05D1/063B64D37/00F15C1/006Y10T137/2071Y10T137/2147
    • A fluidic control system which automatically schedules and controls power developed by an aircraft during landing approach operation. Fluidic signals are generated in relation to sensed aircraft flight parameters, and these signals are combined in a preselected manner which includes integration of one of the signals by a series feedback capacitance fluidic integrator, to produce a single input signal indicative of a desired rate of fuel flow to schedule aircraft power to the desired level. The single input signal is temperature compensated, then discretely selectively modified in relation to ambient conditions by selectively varying the impedance of fluidic resistive networks to alter the gain of a fluidic amplifier driven by the single input signal. An error signal is then generated and amplified to produce a power output signal which drives a fuel control servo actuator in proportion to the error signal when the latter is small, and drives the servo in a digital manner when the error is large.
    • 一种流体控制系统,可在着陆过程中自动调度和控制飞机开发的功率。 关于感测到的飞行器飞行参数产生流体信号,并且这些信号以预选的方式组合,其包括通过串联反馈电容流体积分器对信号中的一个进行积分,以产生指示所需燃料速率的单个输入信号 流量将飞机功率调至所需水平。 单个输入信号经过温度补偿,然后通过选择性地改变流体电阻网络的阻抗以改变由单个输入信号驱动的流体放大器的增益而相对于环境条件离散地选择性地修改。 然后产生并放大误差信号以产生功率输出信号,当功率输出信号较小时驱动燃料控制伺服致动器与误差信号成比例,并且当误差较大时以数字方式驱动伺服。