US Patent 11340053 Methods and devices metering and compacting explosive powders

The present invention includes a powder compaction device comprising a loading platform positioned above a lower platform; a compaction rod aperture positioned in the loading platform; a vertical tube positioned in communication with the compaction rod aperture; a compaction rod positioned in the compaction rod aperture and extending through the compaction rod aperture, wherein the compaction rod comprises one or more reliefs having a powder volume; a drive motor in communication with the vertical tube and connected to the compaction rod to move the compaction rod through the compaction rod aperture; a first funnel-shaped device positioned below the loading platform, wherein the first funnel-shaped device comprises a first funnel aperture, wherein the first funnel aperture aligns with the compaction rod aperture to move the compaction rod through the compaction rod aperture and the first funnel aperture; an adaptor platform secured to the lower platform and aligned with the compaction rod aperture; an ammunition cartridge fixture slidably secured in the adaptor platform, wherein the ammunition cartridge fixture comprises a funnel-shaped opening, an interior cartridge shaped void, and a funnel aperture connecting the funnel-shaped opening to the interior cartridge shaped void, wherein the funnel aperture is aligned with the compaction rod aperture and the first funnel aperture to accommodate the compaction movement of the compaction rod; an ammunition cartridge positioned in the ammunition cartridge fixture; a powder reservoir positioned in communication with the first funnel-shaped device to transport powder to the first funnel-shaped device; a compaction controller in communication with the drive motor and one or more sensors to control the direction of the motor to control the direction of movement of the compaction rod and the force applied to the compaction rod to control the compaction of the powder; and a powder metering controller in communication with the gate and one or more second sensors to control the amount of powder delivered and he powder is despised.