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Portable self contained light generating device powered by a flow of falling granular material
Portable self contained light generating device powered by a flow of falling granular material
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机译:由下落的粒状物料流驱动的便携式自包含光发生装置
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摘要
A portable self contained light generating device which is powered by a flow of granular material falling under the influence of gravity to impinge upon and cause a paddle wheel to rotate thereby turning a small generator producing electricity to power one or more light emitting diodes for illumination. The device equipped with a multi-position power/illumination control switch and in some embodiments also provided with a battery providing supplemental power.
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