Method and installation for pointing a fine fluid jet, in particular in welding, or laser hardfacing
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United States of America Patent
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Issued Date -
May 25, 2006
app pub date -
Oct 22, 2003
filing date -
Oct 31, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a method for pointing a fine fluid jet onto a zone or an object in particular in welding, machining, or laser hardfacing, the jet being emitted from a blowing nozzle (5), the nozzle comprising an exhaust channel (10) including a terminal portion (11) of substantially circular cross-section having a diameter not greater than 5 mm, a light source (3) arranged in the axis of the discharge channel (10) upstream of the nozzle (5) in the flow direction of the fluid flux, generating a non-divergent mono- or polychromatic light beam whereof at least one wavelength ranges between 400 and 760 nanometers, coaxial with the exhaust channel (10) and propagated inside the channel in the flow direction of the fluid, whereby, the fluid flow being momentarily interrupted, by relative displacement of the object or zone or the light beam, the light beam is pointed on the object or the zone and the fine fluid jet is projected onto the zone or object.
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