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    • 41. 发明授权
    • Methods and systems for jet engine overthrust protection
    • 喷气发动机过度保护的方法和系统
    • US06578794B1
    • 2003-06-17
    • US09724063
    • 2000-11-28
    • Aidan William ClarkHans Max Ortlepp
    • Aidan William ClarkHans Max Ortlepp
    • G05B2300
    • G05B9/03
    • A method for sensing and reacting to jet engine fan speed in excess of a fan speed computed from an aircraft throttle input is disclosed. Engine fan speeds are detected by adding test conditions to a main central processing unit (CPU) and adding test conditions to an independent overspeed module to provide additional protection from main CPU computational errors. Interpretation of sensor data relating to engine speed may initiate a modeling routine for sensor data. Comparison of measured/computed sensor data to desired conditions using logic and data tables is a used. If an anomaly is detected, engine fuel cutback devices are engaged.
    • 公开了一种用于感测和反应以将发动机风扇速度喷射超过从飞行器油门输入计算的风扇速度的方法。 通过将测试条件添加到主要中央处理器(CPU)并将测试条件添加到独立的超速模块来检测主机风扇速度,以提供对主CPU计算错误的额外保护。 与发动机转速相关的传感器数据的解释可能会启动传感器数据的建模程序。 使用逻辑和数据表将测量/计算的传感器数据与期望条件进行比较。 如果检测到异常,则引擎燃油削减装置被接合。
    • 42. 发明授权
    • Reduction of pH modifying agent in the flotation of copper minerals
    • 在铜矿物浮选中还原pH调节剂
    • US06092666A
    • 2000-07-25
    • US114268
    • 1998-07-13
    • David William ClarkAndrew James Haigh Newell
    • David William ClarkAndrew James Haigh Newell
    • B03D1/001B03D1/002B03D1/02B03B1/00B03B1/04
    • B03D1/02B03D1/002B03D2201/02B03D2203/02
    • A method is provided for reducing the consumption of alkaline pH modifier in a mineral separation circuit which employs sulfoxy radical-containing reagents. The method comprises the addition of a non-oxidizing gas to the mineral separation circuit prior to and/or simultaneously with the addition of the sulfoxy radical-containing reagent. The non-oxidizing gas is added in a quantity sufficient to achieve a chemical environment conducive to the flotation separation of minerals. The inventive process is suitable for a wide range of valuable minerals including sulfidic copper minerals or mixtures of sulfidic and non-sulfidic copper minerals, sulfidic iron minerals (particularly pyrite) and non-sulfidic gangue material. It is particularly suitable for sedimentary copper deposits, copper skarns, porphyry copper/molybdenum/gold deposits and super gene enrichments.
    • 提供了一种降低碱性pH调节剂在含有含氧氧基自由基试剂的矿物分离回路中的消耗的方法。 该方法包括在加入含有含氧氧基的试剂之前和/或同时向矿物分离回路中加入非氧化性气体。 非氧化性气体的添加量足以达到有利于矿物浮选分离的化学环境。 本发明的方法适用于各种有价值矿物,包括硫化铜矿物或硫化物和非硫化铜矿物的混合物,硫化铁矿物(特别是黄铁矿)和非硫化g石材料。 特别适用于沉积铜矿,铜矽卡岩,斑岩铜/钼/金矿床和超基因富集。