Liquid jet nozzle
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United States of America Patent
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Apr 6, 2004
Grant Date -
N/A
app pub date -
Jan 14, 1999
filing date -
Jan 15, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid jet nozzle for forming a high velocity liquid jet from a pressurized liquid, includes a monolithic Nitinol body having an input side and an output side. A tapering lead-in channel opening in the input side and tapers to a central web, through which extends a small diameter orifice, communicating through the web from the lead-in channel to an egress opening in the output side of the body. The orifice interacts with the high pressure liquid to shape the pressurized liquid into a narrow, high velocity liquid jet which exits the body through the egress opening. A surface layer of nickel titanium oxide on the Nitinol in the orifice provides enhanced resistance to erosion by the high pressure liquid.
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