Pulsed Water-Jet Apparatus
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Mar 24, 2011
filing date -
Mar 25, 2010
priority date (Note) -
Abandoned
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Abstract
A pulsed water-jet apparatus comprising a high pressure water pump delivering water to a nozzle and a means of interruption disposed at or near the nozzle periodically interrupting the flow of water passing through the nozzle thereby generating a pulsed water-jet. An accumulator is disposed between the pump and the nozzle, wherein the accumulator is a high pressure accumulator storing energy between pulses of the pulsed water jet and the pressure drop at the accumulator inlet due to the release of each pulse of the pulsed water jet is less than twenty percent.
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