Jet trenching system
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United States of America Patent
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Nov 7, 2017
Issued Date -
N/A
app pub date -
Aug 22, 2017
filing date -
Dec 21, 2015
priority date (Note) -
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Abstract
A jetting system for an undersea trencher has jetting conduits extending aftward of its trench-cutting jetting swords. Jetting conduit nozzles direct liquid radially from their jetting conduits into the trench after the trench is excavated by the jetting sword cutting nozzles. The jetting conduits direct sufficient liquid into the trench to maintain the mix of trenched soil and water in the trench along the length of the conduits at not more than a super-critical density.
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