Hyper-pressure pulse excavator
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United States of America Patent
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Jun 16, 2015
Grant Date -
Jan 30, 2014
app pub date -
Jul 29, 2013
filing date -
Jul 27, 2012
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Abstract
A hyper-pressure water cannon, or pulse excavator, is able to discharge fluid pulses at extremely high velocities to fracture a rock face in excavation applications. A compressed water cannon can be used to generate hyper-pressure pulses by discharging the pulse into a straight nozzle section which leads to a convergent tapered nozzle. The hyper-pressure water cannon design is relatively compact, and the pulse generator can readily be maneuvered to cover the face of an excavation as part of a mobile mining system.
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