Nozzle arrangements
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United States of America Patent
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N/A
Issued Date -
Aug 2, 2007
app pub date -
Jul 2, 2004
filing date -
Jul 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Nozzle arrangement for generating a spray of fluid comprise a body defining a flow passageway (10), which receives fluid from a supply via an inlet (11 or 12) and is configured to present a plurality of chambers (13, 16, 20) separated by constriction such as (15, 17). The chambers include expansion chambers such as (13, 20), and the constrictions may be associated with respective convergent and divergent passage sections (14, 19). The inner surfaces of the passageway or chambers, may be provide with small scale structures such as grooves, ribs, pits or protrusions.
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