Spray nozzle with static means for inhibiting outflow
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Jun 21, 2000
filing date -
Dec 24, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a spray nozzle comprising a central swirl chamber (1) in which the fluid to be sprayed penetrates by tangential channels (7) producing a swirl axis perpendicular to the longitudinal axis (I--I). The fluid comes out of the swirl chamber (1) through a coaxial outlet passage (4). The nozzle comprises a rear coaxial recess (8) dimensioned and shaped so as to inhibit any residual outflow of fluid through the coaxial outlet passage (4) when the fluid supply is interrupted at the spray nozzle inlet (6).
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