A laser tool

A laser tool, e.g. a pig for cleaning insides of pipes, can have a first gas flow which can blow away removed debris, and a second gas flow for rotating and translating laser beam optics (e.g. mirror 316) relative to the tool housing. The pneumatic drive may include aerodynamic aerofoils 344, which...

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Hauptverfasser: Yannik Dieudonne, Keelan Keogh, Simon Kirk
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creator Yannik Dieudonne
Keelan Keogh
Simon Kirk
description A laser tool, e.g. a pig for cleaning insides of pipes, can have a first gas flow which can blow away removed debris, and a second gas flow for rotating and translating laser beam optics (e.g. mirror 316) relative to the tool housing. The pneumatic drive may include aerodynamic aerofoils 344, which can rotate in the second gas flow, like turbine blades, e.g. to rotate angled laser mirror 316. Housing for lenses 314 may have threads. Dried or filtered air at one variable pressure (second gas) may spin rotary airfoils 344, while an inert gas knife (first gas) stream flows at a different pressure. First and second gases may be the same or different. The laser tool may be connected to a pig crawler, for driving the pig through a pipeline. Without electrical components, the pig, having a pneumatic motor for scanning the laser beam, may be suitable for ionising radiation environments.
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The pneumatic drive may include aerodynamic aerofoils 344, which can rotate in the second gas flow, like turbine blades, e.g. to rotate angled laser mirror 316. Housing for lenses 314 may have threads. Dried or filtered air at one variable pressure (second gas) may spin rotary airfoils 344, while an inert gas knife (first gas) stream flows at a different pressure. First and second gases may be the same or different. The laser tool may be connected to a pig crawler, for driving the pig through a pipeline. 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subjects BLASTING
CLADDING OR PLATING BY SOLDERING OR WELDING
CLEANING
CLEANING IN GENERAL
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MACHINE TOOLS
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PIPES
PREVENTION OF FOULING IN GENERAL
SOLDERING OR UNSOLDERING
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WELDING
WORKING BY LASER BEAM
title A laser tool
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