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    • 4. 发明申请
    • SIMPLE LOW-COST HAND-HELD LANDMINE NEUTRALIZATION DEVICE
    • 简单的低成本手持式LANDMINE中性化装置
    • US20150241179A1
    • 2015-08-27
    • US14186162
    • 2014-02-21
    • United States of America, as represented by the Secretary of the Army
    • Divyakant L. Patel
    • F41H11/12C06B23/00C06B25/00F42B3/10C06B47/00
    • F41H11/12C06B23/002C06B25/00C06B25/36C06B47/00F16M11/043F42B3/00F42B3/10F42B3/26F42B12/207F42B33/067
    • A low-cost, reliable and easy to use kit for neutralizing surface exposed landmine and unexploded ordnance for humanitarian demining is provided. The kit contains a liquid fuel and a solid/soluble fuel. Both fuels are premeasured in separate, sealed containers. The addition of a small quantity of solid/soluble fuel into the liquid creates an explosive. The resulting mixture is capable of detonating with a standard No. 8 blasting cap. The solid/soluble fuel can be in the form of a powder, tablet, or its saturated solution in water. The solid/soluble fuel is hexamethylenetetramine. The liquid fuel, nitromethane, is provided in premeasured quantities. User is provided instructions for choosing the appropriate quantity of liquid fuel, the corresponding solid/soluble fuel required, the method of mixing, placement and detonation of the kits. Also disclosed is a simple wooden stand to hold the bottle of explosive in place. A special fuel, liquid 2-ethylhexylnitrate, is provided to desensitize the mixed and sensitized explosive.
    • 提供了一种低成本,可靠和易于使用的中和表面暴露的地雷和未爆弹药用于人道主义排雷的工具包。 该套件包含液体燃料和固体/可溶性燃料。 这两种燃料都是在单独的密封容器中预先测量的。 向液体中加入少量固体/可溶性燃料产生爆炸物。 所得混合物能够用标准8号爆破盖引爆。 固体/可溶性燃料可以是粉末,片剂或其在水中的饱和溶液的形式。 固体/可溶性燃料是六亚甲基四胺。 液体燃料,硝基甲烷以预先测量的数量提供。 提供用户选择适当数量的液体燃料,所需的相应固体/可溶性燃料,混合,放置和引爆试剂盒的方法。 还披露了一个简单的木制支架,将瓶子的瓶子保持在适当位置。 提供特殊燃料,液体2-乙基己基硝酸盐,使混合敏化炸药脱敏。
    • 9. 发明申请
    • Land mine detector
    • 地雷探测器
    • US20050128125A1
    • 2005-06-16
    • US10929269
    • 2004-08-30
    • Jian LiYijun Sun
    • Jian LiYijun Sun
    • F41H11/12G01V3/12G01V3/15
    • F41H11/12G01V3/12G01V3/15
    • A forwarding looking ground penetrating mine detection apparatus includes a radiation source for irradiating a sample of ground suspected of containing at least one mine with a plurality of frequency swept ground penetrating radar signals. A detector receives target signals backscattered from the ground responsive to the radar signal. The detector includes a time-frequency analyzer which transforms the target signals into a time-frequency image representation (TFR). In a preferred embodiment, the detector can include a wavelet packet transformer (WPT) for extracting time-frequency localized information from the TFR in the form of feature set constructed from a wavelet table. The apparatus can also include a data dimensionality reducer for selecting features to form a feature subset from the feature set, preferably based on reference to a training data set. A multilayer neural network classifier can be based on the feature subset, and be adaptable to the surrounding environment through learning.
    • 前进地面穿透式地雷检测装置包括:辐射源,用于照射具有多个频率扫描地面穿透雷达信号的怀疑含有至少一个矿井的地面样本。 检测器根据雷达信号接收从地面反向散射的目标信号。 检测器包括将目标信号变换为时间 - 频率图像表示(TFR)的时间 - 频率分析器。 在优选实施例中,检测器可以包括小波包变换器(WPT),用于从TFR以从小波表构成的特征集的形式提取时频局部信息。 该装置还可以包括用于从特征集合中选择特征以形成特征子集的数据维度减少器,优选地基于对训练数据集的参考。 多层神经网络分类器可以基于特征子集,并通过学习适应周边环境。
    • 10. 发明授权
    • Coal bed methane borehole pipe liner perforation system
    • 煤层气井筒管衬管穿孔系统
    • US06892815B2
    • 2005-05-17
    • US10287017
    • 2002-11-04
    • Larry G. Stolarczyk
    • Larry G. Stolarczyk
    • F41H11/12G01S13/88G01V3/12G01V3/30E21B43/112
    • F41H11/12G01S13/885G01V3/12G01V3/30
    • A coalbed methane borehole pipe liner perforation system comprises a plastic pipe punch that slips down inside a coalbed methane production borehole lined with a non-perforated plastic pipe. A ground-penetrating radar is used inside the plastic-pipe lined borehole to determine which sections of the pipe are in contact with groundwater. The punch is then operated along the length of the plastic-pipe lined borehole to perforate it for methane-gas collection wherever such groundwater is not present. A radar survey to determine groundwater contact can be made simultaneously in combination with the punching of liner pipe perforations, or earlier in a separate operation.
    • 一个煤层气井筒管衬管穿孔系统包括一个塑料管冲头,其在内衬有无孔塑料管的煤层气生产井眼内滑落。 在塑料管内衬钻孔内部使用地面穿透雷达,以确定管道的哪些部分与地下水接触。 然后将冲头沿着塑料管内衬钻孔的长度操作,以便在不存在这种地下水的地方进行甲烷气体收集。 确定地下水接触的雷达测量可以与衬管管道穿孔的冲压同时进行,或者在单独的操作中更早地进行。