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    • 6. 发明授权
    • System and method for detecting ice formation on an aircraft
    • 用于检测飞机上冰层形成的系统和方法
    • US07564373B2
    • 2009-07-21
    • US11564878
    • 2006-11-30
    • Clyde F. Platt
    • Clyde F. Platt
    • G08B21/00B64D15/20
    • B64D15/20
    • A system and method for detecting ice formation on the surface of an aircraft includes a small rotatable disc disposed on and flush with a surface of a aircraft wing and/or stabilizer and a DC motor for rotating the disc. The disc is rotated periodically and the peak current which is directly proportional to the torque required to break any ice is monitored. When the torque exceeds a pre-selected amount a warning is sounded in the cockpit. If the torque required to rotate the disc increases a second warning is given and the amount of ice accumulation is calculated. In one embodiment of the invention, a stall warning system is automatically modified to increase the margin to accommodate for the increase due to ice accumulation.
    • 用于检测飞行器表面上的冰层形成的系统和方法包括设置在飞行器机翼和/或稳定器的表面上并与其平齐的小的可旋转盘,以及用于旋转盘的DC马达。 盘被周期性地旋转,并且监测与破坏任何冰所需的扭矩成正比的峰值电流。 当扭矩超过预选量时,驾驶舱内发出警告。 如果旋转盘所需的扭矩增加,则给出第二个警告并计算积冰量。 在本发明的一个实施例中,失速警告系统被自动修改以增加余量以适应由于积冰而增加。
    • 7. 发明授权
    • Helicopter tactile exceedance warning system
    • 直升机触觉超警预警系统
    • US07262712B2
    • 2007-08-28
    • US10821974
    • 2004-04-12
    • Randall A. Greene
    • Randall A. Greene
    • G08B23/00
    • F02C9/285B64C13/10B64C27/04B64D43/00F05D2270/303F05D2270/3032F05D2270/44
    • A helicopter tactile accedence warning system includes a control stick and a tactile warning device attached to the control stick. A computer or micro processor and a keyboard for entering a safe temperature profile are also provided as well as a thermocouple for measuring the turbine output temperature. The computer compares the actual temperature versus the safe temperature profile and generates a signal to activate the tactile warning device when the actual temperature falls outside of the safe temperature profile to warn a pilot to abort the start. The tactile warning device is also activated during flight operations when an over stress condition occurs to thereby warn the pilot to take corrective action. In addition, the tactile warning may be activated at a first frequency as an early warning and then at a second frequency as an indication of imminent danger.
    • 直升机触觉入门警告系统包括控制杆和附接到控制棒的触觉警告装置。 还提供用于输入安全温度曲线的计算机或微处理器和键盘以及用于测量涡轮机输出温度的热电偶。 计算机将实际温度与安全温度曲线进行比较,并在实际温度超出安全温度曲线的情况下产生信号以激活触觉报警装置,以警告飞行员中止启动。 触发警告装置在飞行操作期间也会发生过应力状况,从而警告飞行员采取纠正措施。 此外,触觉警告可以以第一频率作为早期警告激活,然后以第二频率激活,作为即将发生危险的指示。
    • 10. 发明授权
    • Aircraft control system
    • 飞机控制系统
    • US5590853A
    • 1997-01-07
    • US829256
    • 1992-02-03
    • Leonard M. Greene
    • Leonard M. Greene
    • B64C13/10B64D43/02G01P13/02G05D1/08B64C9/00G05D1/10
    • B64D43/02B64C13/10G01P13/025G05D1/0808
    • An aircraft control system for computing a yaw compensated angle of attack is disclosed. The system includes an angle of attack sensor for generating a signal which represents an aircraft's angle of attack as determined by an angle of attack vane and a transverse accelerometer for generating a signal in response to the lateral acceleration of the aircraft. A summing device sums the two signals to thereby provide a yaw compensated angle of attack signal. The system may also include a rudder deflection sensor for generating a signal which represents the deflection of an aircraft's rudder. The rudder deflection signal is then subtracted from the yaw compensated angle of attack in the summing device. A stall warning system incorporating the yaw compensation system includes a stall warning computer for comparing the yaw compensated angle of attack signal to a predetermined value. The stall warning computer then triggers a stall warning device when the yaw compensated angle of attack signal exceeds the predetermined value.
    • 公开了一种用于计算偏航补偿迎角的飞机控制系统。 该系统包括一个迎角传感器,用于产生代表飞机的迎角的信号,该角度由迎角和横向加速度计确定,用于响应于飞行器的横向加速度而产生信号。 求和装置将两个信号相加,从而提供偏航补偿的迎角信号。 该系统还可以包括用于产生代表飞行器方向舵偏转的信号的舵偏转传感器。 然后从求和装置中的偏航补偿迎角中减去舵偏转信号。 包括偏航补偿系统的失速警报系统包括用于将偏航补偿的迎角信号与预定值进行比较的失速警告计算机。 然后,当偏航补偿迎角信号超过预定值时,失速警报计算机触发失速警告装置。